Mercurial > hg > freeDiameter
annotate freeDiameter/sctp.c @ 26:b4684b76c6ab
Fix erroneous %g specifiers for size_t (correct is %z)
author | Sebastien Decugis <sdecugis@nict.go.jp> |
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date | Mon, 26 Oct 2009 16:44:16 +0900 |
parents | 67ca08d5bc48 |
children | b3a1773e9f46 |
rev | line source |
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1 /********************************************************************************************************* |
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2 * Software License Agreement (BSD License) * |
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3 * Author: Sebastien Decugis <sdecugis@nict.go.jp> * |
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4 * * |
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5 * Copyright (c) 2009, WIDE Project and NICT * |
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6 * All rights reserved. * |
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7 * * |
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8 * Redistribution and use of this software in source and binary forms, with or without modification, are * |
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9 * permitted provided that the following conditions are met: * |
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10 * * |
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11 * * Redistributions of source code must retain the above * |
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12 * copyright notice, this list of conditions and the * |
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13 * following disclaimer. * |
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14 * * |
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15 * * Redistributions in binary form must reproduce the above * |
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16 * copyright notice, this list of conditions and the * |
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17 * following disclaimer in the documentation and/or other * |
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18 * materials provided with the distribution. * |
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19 * * |
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20 * * Neither the name of the WIDE Project or NICT nor the * |
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21 * names of its contributors may be used to endorse or * |
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22 * promote products derived from this software without * |
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23 * specific prior written permission of WIDE Project and * |
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24 * NICT. * |
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25 * * |
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26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * |
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * |
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28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * |
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29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * |
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30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * |
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31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * |
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32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * |
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33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * |
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34 *********************************************************************************************************/ |
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35 |
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36 #include "fD.h" |
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37 #include "cnxctx.h" |
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38 |
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39 #include <netinet/sctp.h> |
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40 #include <sys/uio.h> |
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41 |
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42 /* Size of buffer to receive ancilliary data. May need to be enlarged if more sockopt are set... */ |
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43 #ifndef CMSG_BUF_LEN |
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44 #define CMSG_BUF_LEN 1024 |
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45 #endif /* CMSG_BUF_LEN */ |
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46 |
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47 /* Pre-binding socket options -- # streams read in config */ |
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48 static int fd_setsockopt_prebind(int sk) |
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49 { |
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50 #ifdef DEBUG_SCTP |
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51 socklen_t sz; |
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52 #endif /* DEBUG_SCTP */ |
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53 |
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54 TRACE_ENTRY( "%d", sk); |
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55 |
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56 CHECK_PARAMS( sk > 0 ); |
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57 |
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58 /* Subscribe to some notifications */ |
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59 { |
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60 struct sctp_event_subscribe event; |
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61 |
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62 memset(&event, 0, sizeof(event)); |
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63 event.sctp_data_io_event = 1; /* to receive the stream ID in SCTP_SNDRCV ancilliary data on message reception */ |
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64 event.sctp_association_event = 0; /* new or closed associations (mostly for one-to-many style sockets) */ |
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65 event.sctp_address_event = 1; /* address changes */ |
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66 event.sctp_send_failure_event = 1; /* delivery failures */ |
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67 event.sctp_peer_error_event = 1; /* remote peer sends an error */ |
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68 event.sctp_shutdown_event = 1; /* peer has sent a SHUTDOWN */ |
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69 event.sctp_partial_delivery_event = 1; /* a partial delivery is aborted, probably indicating the connection is being shutdown */ |
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70 // event.sctp_adaptation_layer_event = 0; /* adaptation layer notifications */ |
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71 // event.sctp_authentication_event = 0; /* when new key is made active */ |
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72 |
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73 /* Set the option to the socket */ |
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74 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_EVENTS, &event, sizeof(event)) ); |
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75 |
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76 #ifdef DEBUG_SCTP |
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77 sz = sizeof(event); |
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78 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_EVENTS, &event, &sz) ); |
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79 if (sz != sizeof(event)) |
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80 { |
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81 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(event)); |
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82 return ENOTSUP; |
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83 } |
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84 |
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85 TRACE_DEBUG(FULL, "SCTP_EVENTS : sctp_data_io_event : %hhu", event.sctp_data_io_event); |
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86 TRACE_DEBUG(FULL, " sctp_association_event : %hhu", event.sctp_association_event); |
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87 TRACE_DEBUG(FULL, " sctp_address_event : %hhu", event.sctp_address_event); |
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88 TRACE_DEBUG(FULL, " sctp_send_failure_event : %hhu", event.sctp_send_failure_event); |
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89 TRACE_DEBUG(FULL, " sctp_peer_error_event : %hhu", event.sctp_peer_error_event); |
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90 TRACE_DEBUG(FULL, " sctp_shutdown_event : %hhu", event.sctp_shutdown_event); |
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91 TRACE_DEBUG(FULL, " sctp_partial_delivery_event : %hhu", event.sctp_partial_delivery_event); |
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92 TRACE_DEBUG(FULL, " sctp_adaptation_layer_event : %hhu", event.sctp_adaptation_layer_event); |
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93 // TRACE_DEBUG(FULL, " sctp_authentication_event : %hhu", event.sctp_authentication_event); |
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94 #endif /* DEBUG_SCTP */ |
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95 |
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96 } |
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97 |
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98 /* Set the INIT parameters, such as number of streams */ |
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99 { |
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100 struct sctp_initmsg init; |
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101 memset(&init, 0, sizeof(init)); |
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102 |
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103 #ifdef DEBUG_SCTP |
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104 sz = sizeof(init); |
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105 |
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106 /* Read socket defaults */ |
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107 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_INITMSG, &init, &sz) ); |
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108 if (sz != sizeof(init)) |
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109 { |
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110 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(init)); |
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111 return ENOTSUP; |
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112 } |
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113 TRACE_DEBUG(FULL, "Def SCTP_INITMSG : sinit_num_ostreams : %hu", init.sinit_num_ostreams); |
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114 TRACE_DEBUG(FULL, " sinit_max_instreams : %hu", init.sinit_max_instreams); |
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115 TRACE_DEBUG(FULL, " sinit_max_attempts : %hu", init.sinit_max_attempts); |
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116 TRACE_DEBUG(FULL, " sinit_max_init_timeo : %hu", init.sinit_max_init_timeo); |
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117 #endif /* DEBUG_SCTP */ |
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118 |
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119 /* Set the init options -- need to receive SCTP_COMM_UP to confirm the requested parameters */ |
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120 init.sinit_num_ostreams = fd_g_config->cnf_sctp_str; /* desired number of outgoing streams */ |
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121 init.sinit_max_init_timeo = CNX_TIMEOUT * 1000; |
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122 |
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123 /* Set the option to the socket */ |
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124 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_INITMSG, &init, sizeof(init)) ); |
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125 |
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126 #ifdef DEBUG_SCTP |
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127 /* Check new values */ |
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128 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_INITMSG, &init, &sz) ); |
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129 TRACE_DEBUG(FULL, "New SCTP_INITMSG : sinit_num_ostreams : %hu", init.sinit_num_ostreams); |
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130 TRACE_DEBUG(FULL, " sinit_max_instreams : %hu", init.sinit_max_instreams); |
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131 TRACE_DEBUG(FULL, " sinit_max_attempts : %hu", init.sinit_max_attempts); |
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132 TRACE_DEBUG(FULL, " sinit_max_init_timeo : %hu", init.sinit_max_init_timeo); |
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133 #endif /* DEBUG_SCTP */ |
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134 } |
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135 |
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136 /* Set the SCTP_DISABLE_FRAGMENTS option, required for TLS */ |
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137 #ifdef SCTP_DISABLE_FRAGMENTS |
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138 { |
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139 int nofrag; |
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140 |
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141 #ifdef DEBUG_SCTP |
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142 sz = sizeof(nofrag); |
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143 /* Read socket defaults */ |
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144 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_DISABLE_FRAGMENTS, &nofrag, &sz) ); |
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145 if (sz != sizeof(nofrag)) |
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146 { |
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147 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(nofrag)); |
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148 return ENOTSUP; |
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149 } |
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150 TRACE_DEBUG(FULL, "Def SCTP_DISABLE_FRAGMENTS value : %s", nofrag ? "true" : "false"); |
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151 #endif /* DEBUG_SCTP */ |
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152 |
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153 nofrag = 0; /* We turn ON the fragmentation */ |
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154 |
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155 /* Set the option to the socket */ |
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156 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_DISABLE_FRAGMENTS, &nofrag, sizeof(nofrag)) ); |
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157 |
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158 #ifdef DEBUG_SCTP |
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159 /* Check new values */ |
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160 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_DISABLE_FRAGMENTS, &nofrag, &sz) ); |
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161 TRACE_DEBUG(FULL, "New SCTP_DISABLE_FRAGMENTS value : %s", nofrag ? "true" : "false"); |
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162 #endif /* DEBUG_SCTP */ |
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163 } |
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164 #else /* SCTP_DISABLE_FRAGMENTS */ |
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165 # error "TLS requires support of SCTP_DISABLE_FRAGMENTS" |
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166 #endif /* SCTP_DISABLE_FRAGMENTS */ |
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167 |
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168 |
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169 /* Set the RETRANSMIT parameters */ |
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170 #ifdef SCTP_RTOINFO |
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171 { |
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172 struct sctp_rtoinfo rtoinfo; |
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173 memset(&rtoinfo, 0, sizeof(rtoinfo)); |
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174 |
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175 #ifdef DEBUG_SCTP |
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176 sz = sizeof(rtoinfo); |
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177 /* Read socket defaults */ |
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178 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_RTOINFO, &rtoinfo, &sz) ); |
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179 if (sz != sizeof(rtoinfo)) |
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180 { |
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181 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(rtoinfo)); |
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182 return ENOTSUP; |
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183 } |
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184 TRACE_DEBUG(FULL, "Def SCTP_RTOINFO : srto_initial : %u", rtoinfo.srto_initial); |
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185 TRACE_DEBUG(FULL, " srto_max : %u", rtoinfo.srto_max); |
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186 TRACE_DEBUG(FULL, " srto_min : %u", rtoinfo.srto_min); |
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187 #endif /* DEBUG_SCTP */ |
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188 |
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189 rtoinfo.srto_max = fd_g_config->cnf_timer_tw * 500 - 1000; /* Maximum retransmit timer (in ms) (set to Tw / 2 - 1) */ |
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190 |
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191 /* Set the option to the socket */ |
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192 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_RTOINFO, &rtoinfo, sizeof(rtoinfo)) ); |
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193 |
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194 #ifdef DEBUG_SCTP |
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195 /* Check new values */ |
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196 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_RTOINFO, &rtoinfo, &sz) ); |
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197 TRACE_DEBUG(FULL, "New SCTP_RTOINFO : srto_initial : %u", rtoinfo.srto_initial); |
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198 TRACE_DEBUG(FULL, " srto_max : %u", rtoinfo.srto_max); |
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199 TRACE_DEBUG(FULL, " srto_min : %u", rtoinfo.srto_min); |
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200 #endif /* DEBUG_SCTP */ |
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201 } |
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202 #else /* SCTP_RTOINFO */ |
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203 # ifdef DEBUG_SCTP |
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204 TRACE_DEBUG(FULL, "Skipping SCTP_RTOINFO"); |
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205 # endif /* DEBUG_SCTP */ |
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206 #endif /* SCTP_RTOINFO */ |
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207 |
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208 /* Set the ASSOCIATION parameters */ |
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209 #ifdef SCTP_ASSOCINFO |
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210 { |
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211 struct sctp_assocparams assoc; |
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212 memset(&assoc, 0, sizeof(assoc)); |
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213 |
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214 #ifdef DEBUG_SCTP |
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215 sz = sizeof(assoc); |
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216 /* Read socket defaults */ |
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217 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_ASSOCINFO, &assoc, &sz) ); |
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218 if (sz != sizeof(assoc)) |
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219 { |
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220 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(assoc)); |
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221 return ENOTSUP; |
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222 } |
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223 TRACE_DEBUG(FULL, "Def SCTP_ASSOCINFO : sasoc_asocmaxrxt : %hu", assoc.sasoc_asocmaxrxt); |
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224 TRACE_DEBUG(FULL, " sasoc_number_peer_destinations : %hu", assoc.sasoc_number_peer_destinations); |
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225 TRACE_DEBUG(FULL, " sasoc_peer_rwnd : %u" , assoc.sasoc_peer_rwnd); |
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226 TRACE_DEBUG(FULL, " sasoc_local_rwnd : %u" , assoc.sasoc_local_rwnd); |
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227 TRACE_DEBUG(FULL, " sasoc_cookie_life : %u" , assoc.sasoc_cookie_life); |
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228 #endif /* DEBUG_SCTP */ |
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229 |
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230 assoc.sasoc_asocmaxrxt = 5; /* Maximum retransmission attempts: we want fast detection of errors */ |
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231 |
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232 /* Set the option to the socket */ |
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233 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_ASSOCINFO, &assoc, sizeof(assoc)) ); |
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234 |
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235 #ifdef DEBUG_SCTP |
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236 /* Check new values */ |
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237 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_ASSOCINFO, &assoc, &sz) ); |
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238 TRACE_DEBUG(FULL, "New SCTP_ASSOCINFO : sasoc_asocmaxrxt : %hu", assoc.sasoc_asocmaxrxt); |
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239 TRACE_DEBUG(FULL, " sasoc_number_peer_destinations : %hu", assoc.sasoc_number_peer_destinations); |
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240 TRACE_DEBUG(FULL, " sasoc_peer_rwnd : %u" , assoc.sasoc_peer_rwnd); |
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241 TRACE_DEBUG(FULL, " sasoc_local_rwnd : %u" , assoc.sasoc_local_rwnd); |
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242 TRACE_DEBUG(FULL, " sasoc_cookie_life : %u" , assoc.sasoc_cookie_life); |
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243 #endif /* DEBUG_SCTP */ |
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244 } |
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245 #else /* SCTP_ASSOCINFO */ |
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246 # ifdef DEBUG_SCTP |
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247 TRACE_DEBUG(FULL, "Skipping SCTP_ASSOCINFO"); |
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248 # endif /* DEBUG_SCTP */ |
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249 #endif /* SCTP_ASSOCINFO */ |
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250 |
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251 |
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252 /* The SO_LINGER option will be re-set if we want to perform SCTP ABORT */ |
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253 #ifdef SO_LINGER |
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254 { |
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255 struct linger linger; |
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256 memset(&linger, 0, sizeof(linger)); |
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257 |
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258 #ifdef DEBUG_SCTP |
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259 sz = sizeof(linger); |
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260 /* Read socket defaults */ |
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261 CHECK_SYS( getsockopt(sk, SOL_SOCKET, SO_LINGER, &linger, &sz) ); |
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262 if (sz != sizeof(linger)) |
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263 { |
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264 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(linger)); |
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265 return ENOTSUP; |
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266 } |
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267 TRACE_DEBUG(FULL, "Def SO_LINGER : l_onoff : %d", linger.l_onoff); |
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268 TRACE_DEBUG(FULL, " l_linger : %d", linger.l_linger); |
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269 #endif /* DEBUG_SCTP */ |
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270 |
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271 linger.l_onoff = 0; /* Do not activate the linger */ |
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272 linger.l_linger = 0; /* Return immediately when closing (=> abort) */ |
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273 |
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274 /* Set the option */ |
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275 CHECK_SYS( setsockopt(sk, SOL_SOCKET, SO_LINGER, &linger, sizeof(linger)) ); |
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276 |
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277 #ifdef DEBUG_SCTP |
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278 /* Check new values */ |
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279 CHECK_SYS( getsockopt(sk, SOL_SOCKET, SO_LINGER, &linger, &sz) ); |
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280 TRACE_DEBUG(FULL, "New SO_LINGER : l_onoff : %d", linger.l_onoff); |
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281 TRACE_DEBUG(FULL, " l_linger : %d", linger.l_linger); |
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282 #endif /* DEBUG_SCTP */ |
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283 } |
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284 #else /* SO_LINGER */ |
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285 # ifdef DEBUG_SCTP |
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286 TRACE_DEBUG(FULL, "Skipping SO_LINGER"); |
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287 # endif /* DEBUG_SCTP */ |
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288 #endif /* SO_LINGER */ |
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289 |
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290 /* Set the NODELAY option (Nagle-like algorithm) */ |
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291 #ifdef SCTP_NODELAY |
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292 { |
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293 int nodelay; |
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294 |
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295 #ifdef DEBUG_SCTP |
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296 sz = sizeof(nodelay); |
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297 /* Read socket defaults */ |
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298 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_NODELAY, &nodelay, &sz) ); |
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299 if (sz != sizeof(nodelay)) |
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300 { |
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301 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(nodelay)); |
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302 return ENOTSUP; |
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303 } |
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304 TRACE_DEBUG(FULL, "Def SCTP_NODELAY value : %s", nodelay ? "true" : "false"); |
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305 #endif /* DEBUG_SCTP */ |
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306 |
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307 nodelay = 0; /* We turn ON the Nagle algorithm (probably the default already) */ |
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308 |
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309 /* Set the option to the socket */ |
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310 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_NODELAY, &nodelay, sizeof(nodelay)) ); |
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311 |
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312 #ifdef DEBUG_SCTP |
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313 /* Check new values */ |
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314 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_NODELAY, &nodelay, &sz) ); |
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315 TRACE_DEBUG(FULL, "New SCTP_NODELAY value : %s", nodelay ? "true" : "false"); |
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316 #endif /* DEBUG_SCTP */ |
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317 } |
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318 #else /* SCTP_NODELAY */ |
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319 # ifdef DEBUG_SCTP |
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320 TRACE_DEBUG(FULL, "Skipping SCTP_NODELAY"); |
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321 # endif /* DEBUG_SCTP */ |
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322 #endif /* SCTP_NODELAY */ |
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323 |
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324 /* Set the interleaving option */ |
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325 #ifdef SCTP_FRAGMENT_INTERLEAVE |
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326 { |
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327 int interleave; |
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328 |
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329 #ifdef DEBUG_SCTP |
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330 sz = sizeof(interleave); |
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331 /* Read socket defaults */ |
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332 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_FRAGMENT_INTERLEAVE, &interleave, &sz) ); |
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333 if (sz != sizeof(interleave)) |
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334 { |
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335 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(interleave)); |
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336 return ENOTSUP; |
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337 } |
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338 TRACE_DEBUG(FULL, "Def SCTP_FRAGMENT_INTERLEAVE value : %d", interleave); |
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339 #endif /* DEBUG_SCTP */ |
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340 |
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341 #if 0 |
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342 interleave = 2; /* Allow partial delivery on several streams at the same time, since we are stream-aware in our security modules */ |
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343 #else /* 0 */ |
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344 interleave = 1; /* hmmm actually, we are not yet capable of handling this, and we don t need it. */ |
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345 #endif /* 0 */ |
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346 |
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347 /* Set the option to the socket */ |
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348 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_FRAGMENT_INTERLEAVE, &interleave, sizeof(interleave)) ); |
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349 |
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350 #ifdef DEBUG_SCTP |
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351 /* Check new values */ |
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352 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_FRAGMENT_INTERLEAVE, &interleave, &sz) ); |
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353 TRACE_DEBUG(FULL, "New SCTP_FRAGMENT_INTERLEAVE value : %d", interleave); |
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354 #endif /* DEBUG_SCTP */ |
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355 } |
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356 #else /* SCTP_FRAGMENT_INTERLEAVE */ |
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357 # ifdef DEBUG_SCTP |
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358 TRACE_DEBUG(FULL, "Skipping SCTP_FRAGMENT_INTERLEAVE"); |
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359 # endif /* DEBUG_SCTP */ |
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360 #endif /* SCTP_FRAGMENT_INTERLEAVE */ |
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361 |
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362 /* Set the v4 mapped addresses option */ |
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363 #ifdef SCTP_I_WANT_MAPPED_V4_ADDR |
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364 { |
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365 int v4mapped; |
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366 |
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367 #ifdef DEBUG_SCTP |
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368 sz = sizeof(v4mapped); |
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369 /* Read socket defaults */ |
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370 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_I_WANT_MAPPED_V4_ADDR, &v4mapped, &sz) ); |
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371 if (sz != sizeof(v4mapped)) |
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372 { |
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373 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(v4mapped)); |
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374 return ENOTSUP; |
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375 } |
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376 TRACE_DEBUG(FULL, "Def SCTP_I_WANT_MAPPED_V4_ADDR value : %s", v4mapped ? "true" : "false"); |
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377 #endif /* DEBUG_SCTP */ |
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378 |
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379 #ifndef SCTP_USE_MAPPED_ADDRESSES |
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380 v4mapped = 0; /* We don't want v4 mapped addresses */ |
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381 #else /* SCTP_USE_MAPPED_ADDRESSES */ |
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382 v4mapped = 1; /* but we may have to, otherwise the bind fails in some environments */ |
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383 #endif /* SCTP_USE_MAPPED_ADDRESSES */ |
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384 |
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385 /* Set the option to the socket */ |
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386 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_I_WANT_MAPPED_V4_ADDR, &v4mapped, sizeof(v4mapped)) ); |
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387 |
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388 #ifdef DEBUG_SCTP |
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389 /* Check new values */ |
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390 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_I_WANT_MAPPED_V4_ADDR, &v4mapped, &sz) ); |
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391 TRACE_DEBUG(FULL, "New SCTP_I_WANT_MAPPED_V4_ADDR value : %s", v4mapped ? "true" : "false"); |
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392 #endif /* DEBUG_SCTP */ |
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393 } |
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394 #else /* SCTP_I_WANT_MAPPED_V4_ADDR */ |
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395 # ifdef DEBUG_SCTP |
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396 TRACE_DEBUG(FULL, "Skipping SCTP_I_WANT_MAPPED_V4_ADDR"); |
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397 # endif /* DEBUG_SCTP */ |
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398 #endif /* SCTP_I_WANT_MAPPED_V4_ADDR */ |
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399 |
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400 |
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401 /* Other settable options (draft-ietf-tsvwg-sctpsocket-17): |
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402 SO_RCVBUF size of receiver window |
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403 SO_SNDBUF size of pending data to send |
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404 SCTP_AUTOCLOSE for one-to-many only |
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405 SCTP_SET_PEER_PRIMARY_ADDR ask remote peer to use this local address as primary |
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406 SCTP_PRIMARY_ADDR use this address as primary locally |
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407 SCTP_ADAPTATION_LAYER set adaptation layer indication |
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408 SCTP_PEER_ADDR_PARAMS control heartbeat per peer address |
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409 SCTP_DEFAULT_SEND_PARAM parameters for the sendto() call |
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410 SCTP_MAXSEG max size of fragmented segments -- bound to PMTU |
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411 SCTP_AUTH_CHUNK request authentication of some type of chunk |
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412 SCTP_HMAC_IDENT authentication algorithms |
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413 SCTP_AUTH_KEY set a shared key |
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414 SCTP_AUTH_ACTIVE_KEY set the active key |
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415 SCTP_AUTH_DELETE_KEY remove a key |
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416 SCTP_AUTH_DEACTIVATE_KEY will not use that key anymore |
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417 SCTP_DELAYED_SACK control delayed acks |
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418 SCTP_PARTIAL_DELIVERY_POINT control partial delivery size |
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419 SCTP_USE_EXT_RCVINFO use extended receive info structure (information about the next message if available) |
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420 SCTP_MAX_BURST number of packets that can be burst emitted |
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421 SCTP_CONTEXT save a context information along with the association. |
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422 SCTP_EXPLICIT_EOR enable sending one message across several send calls |
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423 SCTP_REUSE_PORT share one listening port with several sockets |
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424 |
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425 read-only options: |
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426 SCTP_STATUS retrieve info such as number of streams, pending packets, state, ... |
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427 SCTP_GET_PEER_ADDR_INFO get information about a specific peer address of the association. |
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428 SCTP_PEER_AUTH_CHUNKS list of chunks the remote peer wants authenticated |
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429 SCTP_LOCAL_AUTH_CHUNKS list of chunks the local peer wants authenticated |
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430 SCTP_GET_ASSOC_NUMBER number of associations in a one-to-many socket |
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431 SCTP_GET_ASSOC_ID_LIST list of these associations |
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432 */ |
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433 |
24
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434 /* In case of no_ip4, force the v6only option -- is it a valid option for SCTP ? */ |
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435 #ifdef IPV6_V6ONLY |
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436 if (fd_g_config->cnf_flags.no_ip4) { |
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437 int opt = 1; |
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438 CHECK_SYS(setsockopt(sk, IPPROTO_IPV6, IPV6_V6ONLY, &opt, sizeof(opt))); |
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439 } |
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440 #endif /* IPV6_V6ONLY */ |
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441 |
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442 return 0; |
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443 } |
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444 |
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445 |
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446 /* Post-binding socket options */ |
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447 static int fd_setsockopt_postbind(int sk, int bound_to_default) |
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448 { |
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449 TRACE_ENTRY( "%d %d", sk, bound_to_default); |
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450 |
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451 CHECK_PARAMS( (sk > 0) ); |
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452 |
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453 /* Set the ASCONF option */ |
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454 #ifdef SCTP_AUTO_ASCONF |
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455 { |
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456 int asconf; |
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457 |
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458 #ifdef DEBUG_SCTP |
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459 socklen_t sz; |
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460 |
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461 sz = sizeof(asconf); |
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462 /* Read socket defaults */ |
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463 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_AUTO_ASCONF, &asconf, &sz) ); |
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464 if (sz != sizeof(asconf)) |
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465 { |
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466 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(asconf)); |
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467 return ENOTSUP; |
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468 } |
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469 TRACE_DEBUG(FULL, "Def SCTP_AUTO_ASCONF value : %s", asconf ? "true" : "false"); |
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470 #endif /* DEBUG_SCTP */ |
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471 |
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472 asconf = bound_to_default ? 1 : 0; /* allow automatic use of added or removed addresses in the association (for bound-all sockets) */ |
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473 |
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474 /* Set the option to the socket */ |
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475 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_AUTO_ASCONF, &asconf, sizeof(asconf)) ); |
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476 |
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477 #ifdef DEBUG_SCTP |
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478 /* Check new values */ |
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479 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_AUTO_ASCONF, &asconf, &sz) ); |
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480 TRACE_DEBUG(FULL, "New SCTP_AUTO_ASCONF value : %s", asconf ? "true" : "false"); |
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481 #endif /* DEBUG_SCTP */ |
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482 } |
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483 #else /* SCTP_AUTO_ASCONF */ |
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484 # ifdef DEBUG_SCTP |
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485 TRACE_DEBUG(FULL, "Skipping SCTP_AUTO_ASCONF"); |
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486 # endif /* DEBUG_SCTP */ |
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487 #endif /* SCTP_AUTO_ASCONF */ |
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488 |
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489 return 0; |
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490 } |
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491 |
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492 /* Create a socket server and bind it according to daemon s configuration */ |
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493 int fd_sctp_create_bind_server( int * sock, struct fd_list * list, uint16_t port ) |
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494 { |
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495 int family; |
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496 int bind_default; |
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497 |
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498 TRACE_ENTRY("%p %p %hu", sock, list, port); |
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499 CHECK_PARAMS(sock); |
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500 |
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501 if (fd_g_config->cnf_flags.no_ip6) { |
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502 family = AF_INET; |
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503 } else { |
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504 family = AF_INET6; /* can create socket for both IP and IPv6 */ |
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505 } |
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506 |
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507 /* Create the socket */ |
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508 CHECK_SYS( *sock = socket(family, SOCK_STREAM, IPPROTO_SCTP) ); |
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509 |
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510 /* Set pre-binding socket options, including number of streams etc... */ |
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511 CHECK_FCT( fd_setsockopt_prebind(*sock) ); |
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512 |
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513 bind_default = (! list) || (FD_IS_LIST_EMPTY(list)) ; |
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514 redo: |
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515 if ( bind_default ) { |
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516 /* Implicit endpoints : bind to default addresses */ |
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517 union { |
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518 sSS ss; |
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519 sSA sa; |
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520 sSA4 sin; |
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521 sSA6 sin6; |
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522 } s; |
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523 |
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524 /* 0.0.0.0 and [::] are all zeros */ |
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525 memset(&s, 0, sizeof(s)); |
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526 |
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527 s.sa.sa_family = family; |
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528 |
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529 if (family == AF_INET) |
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530 s.sin.sin_port = htons(port); |
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531 else |
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532 s.sin6.sin6_port = htons(port); |
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533 |
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534 CHECK_SYS( bind(*sock, &s.sa, sizeof(s)) ); |
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535 |
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536 } else { |
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537 /* Explicit endpoints to bind to from config */ |
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538 |
23
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539 union { |
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540 sSA * sa; |
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541 sSA4 *sin; |
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542 sSA6 *sin6; |
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543 uint8_t *buf; |
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544 } ptr; |
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545 union { |
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546 sSA * sa; |
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547 uint8_t * buf; |
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548 } sar; |
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549 int count = 0; /* number of sock addr in sar array */ |
24
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550 size_t offset = 0; |
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551 struct fd_list * li; |
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552 |
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553 sar.buf = NULL; |
23
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554 |
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555 /* Create a flat array from the list of configured addresses */ |
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556 for (li = list->next; li != list; li = li->next) { |
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557 struct fd_endpoint * ep = (struct fd_endpoint *)li; |
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558 size_t sz = 0; |
23
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559 |
24
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560 if (! (ep->flags & EP_FL_CONF)) |
23
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561 continue; |
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562 |
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Added some code in cnxctx.c mainly
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563 count++; |
24
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564 |
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565 /* Size of the new SA we are adding (sar may contain a mix of sockaddr_in and sockaddr_in6) */ |
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566 #ifndef SCTP_USE_MAPPED_ADDRESSES |
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567 if (ep->sa.sa_family == AF_INET6) |
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568 #else /* SCTP_USE_MAPPED_ADDRESSES */ |
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569 if (family == AF_INET6) |
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570 #endif /* SCTP_USE_MAPPED_ADDRESSES */ |
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571 sz = sizeof(sSA6); |
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572 else |
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573 sz = sizeof(sSA4); |
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574 |
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575 /* augment sar to contain the additional info */ |
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576 CHECK_MALLOC( sar.buf = realloc(sar.buf, offset + sz) ); |
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577 |
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578 ptr.buf = sar.buf + offset; /* place of the new SA */ |
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579 offset += sz; /* update to end of sar */ |
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580 |
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581 if (sz == sizeof(sSA4)) { |
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582 memcpy(ptr.buf, &ep->sin, sz); |
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583 ptr.sin->sin_port = htons(port); |
23
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584 } else { |
24
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585 if (ep->sa.sa_family == AF_INET) { /* We must map the address */ |
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586 memset(ptr.buf, 0, sz); |
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587 ptr.sin6->sin6_family = AF_INET6; |
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588 IN6_ADDR_V4MAP( &ptr.sin6->sin6_addr.s6_addr, ep->sin.sin_addr.s_addr ); |
23
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589 } else { |
24
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590 memcpy(ptr.sin6, &ep->sin6, sz); |
23
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591 } |
24
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|
592 ptr.sin6->sin6_port = htons(port); |
23
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593 } |
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|
594 } |
db6c40b8b307
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22
diff
changeset
|
595 |
db6c40b8b307
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22
diff
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|
596 if (!count) { |
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|
597 /* None of the addresses in the list came from configuration, we bind to default */ |
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Added some code in cnxctx.c mainly
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|
598 bind_default = 1; |
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22
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changeset
|
599 goto redo; |
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22
diff
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|
600 } |
db6c40b8b307
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22
diff
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|
601 |
db6c40b8b307
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22
diff
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|
602 # ifdef DEBUG_SCTP |
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|
603 if (TRACE_BOOL(FULL)) { |
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|
604 int i; |
24
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605 ptr.buf = sar.buf; |
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606 fd_log_debug("Calling sctp_bindx with the following address array:\n"); |
23
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607 for (i = 0; i < count; i++) { |
24
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608 TRACE_DEBUG_sSA(FULL, " - ", ptr.sa, NI_NUMERICHOST | NI_NUMERICSERV, "" ); |
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609 ptr.buf += (ptr.sa->sa_family == AF_INET) ? sizeof(sSA4) : sizeof(sSA6) ; |
23
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610 } |
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611 } |
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612 #endif /* DEBUG_SCTP */ |
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|
613 |
24
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|
614 /* Bind to this array */ |
23
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615 CHECK_SYS( sctp_bindx(*sock, sar.sa, count, SCTP_BINDX_ADD_ADDR) ); |
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|
616 |
24
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617 /* We don't need sar anymore */ |
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618 free(sar.buf); |
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|
619 } |
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|
620 |
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621 /* Now, the server is bound, set remaining sockopt */ |
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622 CHECK_FCT( fd_setsockopt_postbind(*sock, bind_default) ); |
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diff
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|
623 |
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624 #ifdef DEBUG_SCTP |
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|
625 /* Debug: show all local listening addresses */ |
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|
626 if (TRACE_BOOL(FULL)) { |
24
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627 sSA *sar; |
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628 union { |
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629 sSA *sa; |
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630 uint8_t *buf; |
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631 } ptr; |
23
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632 int sz; |
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|
633 |
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634 CHECK_SYS( sz = sctp_getladdrs(*sock, 0, &sar) ); |
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635 |
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636 fd_log_debug("SCTP server bound on :\n"); |
24
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|
637 for (ptr.sa = sar; sz-- > 0; ptr.buf += (ptr.sa->sa_family == AF_INET) ? sizeof(sSA4) : sizeof(sSA6)) { |
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Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
638 TRACE_DEBUG_sSA(FULL, " - ", ptr.sa, NI_NUMERICHOST | NI_NUMERICSERV, "" ); |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
639 } |
db6c40b8b307
Added some code in cnxctx.c mainly
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parents:
22
diff
changeset
|
640 sctp_freeladdrs(sar); |
db6c40b8b307
Added some code in cnxctx.c mainly
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parents:
22
diff
changeset
|
641 } |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
642 #endif /* DEBUG_SCTP */ |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
643 |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
644 return 0; |
20
277ec00d793e
Backup before typhoon... Progress on server side
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parents:
diff
changeset
|
645 } |
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
646 |
22
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
647 /* Allow clients connections on server sockets */ |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
648 int fd_sctp_listen( int sock ) |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
649 { |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
650 TRACE_ENTRY("%d", sock); |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
651 CHECK_SYS( listen(sock, 5) ); |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
652 return 0; |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
653 } |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
654 |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
655 /* Create a client socket and connect to remote server */ |
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Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
656 int fd_sctp_client( int *sock, int no_ip6, uint16_t port, struct fd_list * list ) |
20
277ec00d793e
Backup before typhoon... Progress on server side
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parents:
diff
changeset
|
657 { |
24
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Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
658 int family; |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
659 int count = 0; |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
660 size_t offset = 0, sz; |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
661 union { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
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diff
changeset
|
662 uint8_t *buf; |
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Cleanups and completed sctp code (not finished)
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23
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changeset
|
663 sSA *sa; |
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Cleanups and completed sctp code (not finished)
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23
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changeset
|
664 } sar; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
665 union { |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
666 uint8_t *buf; |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
667 sSA *sa; |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
668 sSA4 *sin; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
669 sSA6 *sin6; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
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23
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changeset
|
670 } ptr; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
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23
diff
changeset
|
671 struct fd_list * li; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
672 int ret; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
673 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
674 sar.buf = NULL; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
675 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
676 TRACE_ENTRY("%p %i %hu %p", sock, no_ip6, port, list); |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
677 CHECK_PARAMS( sock && list && (!FD_IS_LIST_EMPTY(list)) ); |
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Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
678 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
679 if (no_ip6) { |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
680 family = AF_INET; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
681 } else { |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
682 family = AF_INET6; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
683 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
684 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
685 /* Create the socket */ |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
686 CHECK_SYS( *sock = socket(family, SOCK_STREAM, IPPROTO_SCTP) ); |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
687 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
688 /* Cleanup if we are cancelled */ |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
689 pthread_cleanup_push(fd_cleanup_socket, sock); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
690 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
691 /* Set the socket options */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
692 CHECK_FCT_DO( ret = fd_setsockopt_prebind(*sock), goto fail ); |
20
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
693 |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
694 /* Create the array of addresses for sctp_connectx */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
695 for (li = list->next; li != list; li = li->next) { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
696 struct fd_endpoint * ep = (struct fd_endpoint *) li; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
697 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
698 count++; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
699 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
700 /* Size of the new SA we are adding (sar may contain a mix of sockaddr_in and sockaddr_in6) */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
701 #ifndef SCTP_USE_MAPPED_ADDRESSES |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
702 if (ep->sa.sa_family == AF_INET6) |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
703 #else /* SCTP_USE_MAPPED_ADDRESSES */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
704 if (family == AF_INET6) |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
705 #endif /* SCTP_USE_MAPPED_ADDRESSES */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
706 sz = sizeof(sSA6); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
707 else |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
708 sz = sizeof(sSA4); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
709 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
710 /* augment sar to contain the additional info */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
711 CHECK_MALLOC_DO( sar.buf = realloc(sar.buf, offset + sz), { ret = ENOMEM; goto fail; } ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
712 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
713 ptr.buf = sar.buf + offset; /* place of the new SA */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
714 offset += sz; /* update to end of sar */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
715 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
716 if (sz == sizeof(sSA4)) { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
717 memcpy(ptr.buf, &ep->sin, sz); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
718 ptr.sin->sin_port = htons(port); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
719 } else { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
720 if (ep->sa.sa_family == AF_INET) { /* We must map the address */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
721 memset(ptr.buf, 0, sz); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
722 ptr.sin6->sin6_family = AF_INET6; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
723 IN6_ADDR_V4MAP( &ptr.sin6->sin6_addr.s6_addr, ep->sin.sin_addr.s_addr ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
724 } else { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
725 memcpy(ptr.sin6, &ep->sin6, sz); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
726 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
727 ptr.sin6->sin6_port = htons(port); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
728 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
729 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
730 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
731 /* Try connecting */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
732 TRACE_DEBUG(FULL, "Attempting SCTP connection (%d addresses attempted)...", count); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
733 CHECK_SYS_DO( sctp_connectx(*sock, sar.sa, count), { ret = errno; goto fail; } ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
734 free(sar.buf); sar.buf = NULL; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
735 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
736 /* Set the remaining sockopts */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
737 CHECK_FCT_DO( ret = fd_setsockopt_postbind(*sock, 1), goto fail ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
738 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
739 /* Done! */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
740 pthread_cleanup_pop(0); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
741 return 0; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
742 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
743 fail: |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
744 if (*sock > 0) { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
745 shutdown(*sock, SHUT_RDWR); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
746 *sock = -1; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
747 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
748 free(sar.buf); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
749 return ret; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
750 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
751 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
752 /* Retrieve streams information from a connected association -- optionaly provide the primary address */ |
25
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
753 int fd_sctp_get_str_info( int sock, uint16_t *in, uint16_t *out, sSS *primary ) |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
754 { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
755 struct sctp_status status; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
756 socklen_t sz = sizeof(status); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
757 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
758 TRACE_ENTRY("%d %p %p %p", sock, in, out, primary); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
759 CHECK_PARAMS( (sock > 0) && in && out ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
760 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
761 /* Read the association parameters */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
762 memset(&status, 0, sizeof(status)); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
763 CHECK_SYS( getsockopt(sock, IPPROTO_SCTP, SCTP_STATUS, &status, &sz) ); |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
764 if (sz != sizeof(status)) |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
765 { |
26
b4684b76c6ab
Fix erroneous %g specifiers for size_t (correct is %z)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
25
diff
changeset
|
766 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %z", sz, sizeof(status)); |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
767 return ENOTSUP; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
768 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
769 #ifdef DEBUG_SCTP |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
770 TRACE_DEBUG(FULL, "SCTP_STATUS : sstat_state : %i" , status.sstat_state); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
771 TRACE_DEBUG(FULL, " sstat_rwnd : %u" , status.sstat_rwnd); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
772 TRACE_DEBUG(FULL, " sstat_unackdata : %hu", status.sstat_unackdata); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
773 TRACE_DEBUG(FULL, " sstat_penddata : %hu", status.sstat_penddata); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
774 TRACE_DEBUG(FULL, " sstat_instrms : %hu", status.sstat_instrms); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
775 TRACE_DEBUG(FULL, " sstat_outstrms : %hu", status.sstat_outstrms); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
776 TRACE_DEBUG(FULL, " sstat_fragmentation_point : %u" , status.sstat_fragmentation_point); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
777 TRACE_DEBUG_sSA(FULL, " sstat_primary.spinfo_address : ", &status.sstat_primary.spinfo_address, NI_NUMERICHOST | NI_NUMERICSERV, "" ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
778 TRACE_DEBUG(FULL, " sstat_primary.spinfo_state : %d" , status.sstat_primary.spinfo_state); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
779 TRACE_DEBUG(FULL, " sstat_primary.spinfo_cwnd : %u" , status.sstat_primary.spinfo_cwnd); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
780 TRACE_DEBUG(FULL, " sstat_primary.spinfo_srtt : %u" , status.sstat_primary.spinfo_srtt); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
781 TRACE_DEBUG(FULL, " sstat_primary.spinfo_rto : %u" , status.sstat_primary.spinfo_rto); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
782 TRACE_DEBUG(FULL, " sstat_primary.spinfo_mtu : %u" , status.sstat_primary.spinfo_mtu); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
783 #endif /* DEBUG_SCTP */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
784 |
25
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
785 *in = status.sstat_instrms; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
786 *out = status.sstat_outstrms; |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
787 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
788 if (primary) |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
789 memcpy(primary, &status.sstat_primary.spinfo_address, sizeof(sSS)); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
790 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
791 return 0; |
20
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
792 } |
22
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
793 |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
794 /* Get the list of local endpoints of the socket */ |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
795 int fd_sctp_get_local_ep(int sock, struct fd_list * list) |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
796 { |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
797 union { |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
798 sSA *sa; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
799 uint8_t *buf; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
800 } ptr; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
801 |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
802 sSA * data; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
803 int count; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
804 |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
805 TRACE_ENTRY("%d %p", sock, list); |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
806 CHECK_PARAMS(list); |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
807 |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
808 /* Read the list on the socket */ |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
809 CHECK_SYS( count = sctp_getladdrs(sock, 0, &data) ); |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
810 ptr.sa = data; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
811 |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
812 while (count) { |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
813 socklen_t sl; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
814 switch (ptr.sa->sa_family) { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
815 case AF_INET: sl = sizeof(sSA4); break; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
816 case AF_INET6: sl = sizeof(sSA6); break; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
817 default: |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
818 TRACE_DEBUG(INFO, "Unkown address family returned in sctp_getladdrs: %d", ptr.sa->sa_family); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
819 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
820 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
821 CHECK_FCT( fd_ep_add_merge( list, ptr.sa, sl, EP_FL_LL ) ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
822 ptr.buf += sl; |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
823 count --; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
824 } |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
825 |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
826 /* Free the list */ |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
827 sctp_freeladdrs(data); |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
828 |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
829 /* Now get the primary address, the add function will take care of merging with existing entry */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
830 { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
831 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
832 struct sctp_status status; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
833 socklen_t sz = sizeof(status); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
834 int ret; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
835 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
836 memset(&status, 0, sizeof(status)); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
837 /* Attempt to use SCTP_STATUS message to retrieve the primary address */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
838 ret = getsockopt(sock, IPPROTO_SCTP, SCTP_STATUS, &status, &sz); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
839 if (sz != sizeof(status)) |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
840 ret = -1; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
841 sz = sizeof(sSS); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
842 if (ret < 0) |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
843 { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
844 /* Fallback to getsockname -- not recommended by draft-ietf-tsvwg-sctpsocket-19#section-7.4 */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
845 CHECK_SYS(getsockname(sock, (sSA *)&status.sstat_primary.spinfo_address, &sz)); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
846 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
847 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
848 CHECK_FCT( fd_ep_add_merge( list, (sSA *)&status.sstat_primary.spinfo_address, sz, EP_FL_PRIMARY ) ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
849 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
850 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
851 return 0; |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
852 } |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
853 |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
854 /* Get the list of remote endpoints of the socket */ |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
855 int fd_sctp_get_remote_ep(int sock, struct fd_list * list) |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
856 { |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
857 union { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
858 sSA *sa; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
859 uint8_t *buf; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
860 } ptr; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
861 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
862 sSA * data; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
863 int count; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
864 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
865 TRACE_ENTRY("%d %p", sock, list); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
866 CHECK_PARAMS(list); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
867 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
868 /* Read the list on the socket */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
869 CHECK_SYS( count = sctp_getpaddrs(sock, 0, &data) ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
870 ptr.sa = data; |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
871 |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
872 while (count) { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
873 socklen_t sl; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
874 switch (ptr.sa->sa_family) { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
875 case AF_INET: sl = sizeof(sSA4); break; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
876 case AF_INET6: sl = sizeof(sSA6); break; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
877 default: |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
878 TRACE_DEBUG(INFO, "Unkown address family returned in sctp_getpaddrs: %d", ptr.sa->sa_family); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
879 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
880 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
881 CHECK_FCT( fd_ep_add_merge( list, ptr.sa, sl, EP_FL_LL ) ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
882 ptr.buf += sl; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
883 count --; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
884 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
885 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
886 /* Free the list */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
887 sctp_freepaddrs(data); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
888 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
889 /* Now get the primary address, the add function will take care of merging with existing entry */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
890 { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
891 sSS ss; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
892 socklen_t sl = sizeof(sSS); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
893 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
894 CHECK_SYS(getpeername(sock, (sSA *)&ss, &sl)); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
895 CHECK_FCT( fd_ep_add_merge( list, (sSA *)&ss, sl, EP_FL_PRIMARY ) ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
896 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
897 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
898 /* Done! */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
899 return 0; |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
900 } |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
901 |
25
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
902 /* Send a buffer over a specified stream */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
903 int fd_sctp_sendstr(int sock, uint16_t strid, uint8_t * buf, size_t len) |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
904 { |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
905 struct msghdr mhdr; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
906 struct iovec iov; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
907 struct { |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
908 struct cmsghdr hdr; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
909 struct sctp_sndrcvinfo sndrcv; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
910 } anci; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
911 ssize_t ret; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
912 |
26
b4684b76c6ab
Fix erroneous %g specifiers for size_t (correct is %z)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
25
diff
changeset
|
913 TRACE_ENTRY("%d %hu %p %z", sock, strid, buf, len); |
25
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
914 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
915 memset(&mhdr, 0, sizeof(mhdr)); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
916 memset(&iov, 0, sizeof(iov)); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
917 memset(&anci, 0, sizeof(anci)); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
918 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
919 /* IO Vector: message data */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
920 iov.iov_base = buf; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
921 iov.iov_len = len; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
922 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
923 /* Anciliary data: specify SCTP stream */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
924 anci.hdr.cmsg_len = sizeof(anci); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
925 anci.hdr.cmsg_level = IPPROTO_SCTP; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
926 anci.hdr.cmsg_type = SCTP_SNDRCV; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
927 anci.sndrcv.sinfo_stream = strid; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
928 /* note : we could store other data also, for example in .sinfo_ppid for remote peer or in .sinfo_context for errors. */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
929 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
930 /* We don't use mhdr.msg_name here; it could be used to specify an address different from the primary */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
931 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
932 mhdr.msg_iov = &iov; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
933 mhdr.msg_iovlen = 1; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
934 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
935 mhdr.msg_control = &anci; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
936 mhdr.msg_controllen = sizeof(anci); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
937 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
938 #ifdef DEBUG_SCTP |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
939 TRACE_DEBUG(FULL, "Sending %db data on stream %hu of socket %d", len, strid, sock); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
940 #endif /* DEBUG_SCTP */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
941 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
942 CHECK_SYS( ret = sendmsg(sock, &mhdr, 0) ); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
943 ASSERT( ret == len ); /* There should not be partial delivery with sendmsg... */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
944 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
945 return 0; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
946 } |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
947 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
948 /* Receive the next data from the socket, or next notification */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
949 int fd_sctp_recvmeta(int sock, uint16_t * strid, uint8_t ** buf, size_t * len, int *event) |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
950 { |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
951 ssize_t ret = 0; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
952 struct msghdr mhdr; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
953 char ancidata[ CMSG_BUF_LEN ]; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
954 struct iovec iov; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
955 uint8_t *data = NULL; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
956 size_t bufsz = 0, datasize = 0; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
957 size_t mempagesz = sysconf(_SC_PAGESIZE); /* We alloc buffer by memory pages for efficiency */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
958 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
959 TRACE_ENTRY("%d %p %p %p %p", sock, strid, buf, len, event); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
960 CHECK_PARAMS( (sock > 0) && buf && len && event ); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
961 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
962 /* Cleanup out parameters */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
963 *buf = NULL; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
964 *len = 0; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
965 *event = 0; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
966 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
967 /* Prepare header for receiving message */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
968 memset(&mhdr, 0, sizeof(mhdr)); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
969 mhdr.msg_iov = &iov; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
970 mhdr.msg_iovlen = 1; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
971 mhdr.msg_control = &ancidata; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
972 mhdr.msg_controllen = sizeof(ancidata); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
973 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
974 /* We will loop while all data is not received. */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
975 incomplete: |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
976 if (datasize == bufsz) { |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
977 /* The buffer is full, enlarge it */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
978 bufsz += mempagesz; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
979 CHECK_MALLOC( data = realloc(data, bufsz) ); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
980 } |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
981 /* the new data will be received following the preceding */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
982 memset(&iov, 0, sizeof(iov)); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
983 iov.iov_base = data + datasize ; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
984 iov.iov_len = bufsz - datasize; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
985 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
986 /* Receive data from the socket */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
987 pthread_cleanup_push(free, data); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
988 ret = recvmsg(sock, &mhdr, 0); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
989 pthread_cleanup_pop(0); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
990 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
991 /* Handle errors */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
992 if (ret <= 0) { /* Socket is closed, or an error occurred */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
993 CHECK_SYS_DO(ret, /* to log in case of error */); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
994 free(data); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
995 *event = FDEVP_CNX_ERROR; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
996 return 0; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
997 } |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
998 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
999 /* Update the size of data we received */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1000 datasize += ret; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1001 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1002 /* SCTP provides an indication when we received a full record; loop if it is not the case */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1003 if ( ! (mhdr.msg_flags & MSG_EOR) ) { |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1004 goto incomplete; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1005 } |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1006 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1007 /* Handle the case where the data received is a notification */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1008 if (mhdr.msg_flags & MSG_NOTIFICATION) { |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1009 union sctp_notification * notif = (union sctp_notification *) data; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1010 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1011 switch (notif->sn_header.sn_type) { |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1012 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1013 case SCTP_ASSOC_CHANGE: |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1014 #ifdef DEBUG_SCTP |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1015 TRACE_DEBUG(FULL, "Received SCTP_ASSOC_CHANGE notification"); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1016 TRACE_DEBUG(FULL, " state : %hu", notif->sn_assoc_change.sac_state); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1017 TRACE_DEBUG(FULL, " error : %hu", notif->sn_assoc_change.sac_error); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1018 TRACE_DEBUG(FULL, " instr : %hu", notif->sn_assoc_change.sac_inbound_streams); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1019 TRACE_DEBUG(FULL, " outstr : %hu", notif->sn_assoc_change.sac_outbound_streams); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1020 #endif /* DEBUG_SCTP */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1021 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1022 *event = FDEVP_CNX_EP_CHANGE; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1023 break; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1024 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1025 case SCTP_PEER_ADDR_CHANGE: |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1026 #ifdef DEBUG_SCTP |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1027 TRACE_DEBUG(FULL, "Received SCTP_PEER_ADDR_CHANGE notification"); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1028 TRACE_DEBUG_sSA(FULL, " intf_change : ", &(notif->sn_paddr_change.spc_aaddr), NI_NUMERICHOST | NI_NUMERICSERV, "" ); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1029 TRACE_DEBUG(FULL, " state : %d", notif->sn_paddr_change.spc_state); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1030 TRACE_DEBUG(FULL, " error : %d", notif->sn_paddr_change.spc_error); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1031 #endif /* DEBUG_SCTP */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1032 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1033 *event = FDEVP_CNX_EP_CHANGE; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1034 break; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1035 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1036 case SCTP_SEND_FAILED: |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1037 #ifdef DEBUG_SCTP |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1038 TRACE_DEBUG(FULL, "Received SCTP_SEND_FAILED notification"); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1039 TRACE_DEBUG(FULL, " len : %hu", notif->sn_send_failed.ssf_length); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1040 TRACE_DEBUG(FULL, " err : %d", notif->sn_send_failed.ssf_error); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1041 #endif /* DEBUG_SCTP */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1042 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1043 *event = FDEVP_CNX_ERROR; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1044 break; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1045 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1046 case SCTP_REMOTE_ERROR: |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1047 #ifdef DEBUG_SCTP |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1048 TRACE_DEBUG(FULL, "Received SCTP_REMOTE_ERROR notification"); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1049 TRACE_DEBUG(FULL, " err : %hu", ntohs(notif->sn_remote_error.sre_error)); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1050 TRACE_DEBUG(FULL, " len : %hu", ntohs(notif->sn_remote_error.sre_length)); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1051 #endif /* DEBUG_SCTP */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1052 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1053 *event = FDEVP_CNX_ERROR; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1054 break; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1055 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1056 case SCTP_SHUTDOWN_EVENT: |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1057 #ifdef DEBUG_SCTP |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1058 TRACE_DEBUG(FULL, "Received SCTP_SHUTDOWN_EVENT notification"); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1059 #endif /* DEBUG_SCTP */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1060 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1061 *event = FDEVP_CNX_ERROR; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1062 break; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1063 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1064 default: |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1065 TRACE_DEBUG(FULL, "Received unknown notification %d, assume error", notif->sn_header.sn_type); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1066 *event = FDEVP_CNX_ERROR; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1067 } |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1068 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1069 free(data); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1070 return 0; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1071 } |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1072 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1073 /* From this point, we have received a message */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1074 *event = FDEVP_CNX_MSG_RECV; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1075 *buf = data; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1076 *len = datasize; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1077 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1078 if (strid) { |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1079 struct cmsghdr *hdr; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1080 struct sctp_sndrcvinfo *sndrcv; |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1081 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1082 /* Handle the anciliary data */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1083 for (hdr = CMSG_FIRSTHDR(&mhdr); hdr; hdr = CMSG_NXTHDR(&mhdr, hdr)) { |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1084 |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1085 /* We deal only with anciliary data at SCTP level */ |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1086 if (hdr->cmsg_level != IPPROTO_SCTP) { |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1087 TRACE_DEBUG(FULL, "Received some anciliary data at level %d, skipped", hdr->cmsg_level); |
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
1088 continue; |
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1089 } |
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1090 |
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1091 /* Also only interested in SCTP_SNDRCV message for the moment */ |
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1092 if (hdr->cmsg_type != SCTP_SNDRCV) { |
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1093 TRACE_DEBUG(FULL, "Anciliary block IPPROTO_SCTP / %d, skipped", hdr->cmsg_type); |
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1094 continue; |
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1095 } |
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1096 |
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1097 sndrcv = (struct sctp_sndrcvinfo *) CMSG_DATA(hdr); |
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1098 #ifdef DEBUG_SCTP |
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1099 TRACE_DEBUG(FULL, "Anciliary block IPPROTO_SCTP / SCTP_SNDRCV"); |
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1100 TRACE_DEBUG(FULL, " sinfo_stream : %hu", sndrcv->sinfo_stream); |
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1101 TRACE_DEBUG(FULL, " sinfo_ssn : %hu", sndrcv->sinfo_ssn); |
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1102 TRACE_DEBUG(FULL, " sinfo_flags : %hu", sndrcv->sinfo_flags); |
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1103 /* TRACE_DEBUG(FULL, " sinfo_pr_policy : %hu", sndrcv->sinfo_pr_policy); */ |
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1104 TRACE_DEBUG(FULL, " sinfo_ppid : %u" , sndrcv->sinfo_ppid); |
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1105 TRACE_DEBUG(FULL, " sinfo_context : %u" , sndrcv->sinfo_context); |
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1106 /* TRACE_DEBUG(FULL, " sinfo_pr_value : %u" , sndrcv->sinfo_pr_value); */ |
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1107 TRACE_DEBUG(FULL, " sinfo_tsn : %u" , sndrcv->sinfo_tsn); |
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1108 TRACE_DEBUG(FULL, " sinfo_cumtsn : %u" , sndrcv->sinfo_cumtsn); |
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1109 #endif /* DEBUG_SCTP */ |
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1110 |
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1111 *strid = sndrcv->sinfo_stream; |
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1112 } |
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1113 } |
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1114 |
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1115 return 0; |
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1116 } |