Mercurial > hg > freeDiameter
annotate freeDiameter/sctp.c @ 24:bd83ce9328ed
Cleanups and completed sctp code (not finished)
author | Sebastien Decugis <sdecugis@nict.go.jp> |
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date | Wed, 21 Oct 2009 18:42:45 +0900 |
parents | db6c40b8b307 |
children | 67ca08d5bc48 |
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 <netinet/sctp.h> |
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38 #include <sys/uio.h> |
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39 |
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40 /* Pre-binding socket options -- # streams read in config */ |
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41 static int fd_setsockopt_prebind(int sk) |
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42 { |
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43 #ifdef DEBUG_SCTP |
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44 socklen_t sz; |
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45 #endif /* DEBUG_SCTP */ |
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46 |
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47 TRACE_ENTRY( "%d", sk); |
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48 |
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49 CHECK_PARAMS( sk > 0 ); |
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50 |
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51 /* Subscribe to some notifications */ |
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52 { |
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53 struct sctp_event_subscribe event; |
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54 |
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55 memset(&event, 0, sizeof(event)); |
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56 event.sctp_data_io_event = 1; /* to receive the stream ID in SCTP_SNDRCV ancilliary data on message reception */ |
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57 event.sctp_association_event = 0; /* new or closed associations (mostly for one-to-many style sockets) */ |
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58 event.sctp_address_event = 1; /* address changes */ |
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59 event.sctp_send_failure_event = 1; /* delivery failures */ |
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60 event.sctp_peer_error_event = 1; /* remote peer sends an error */ |
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61 event.sctp_shutdown_event = 1; /* peer has sent a SHUTDOWN */ |
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62 event.sctp_partial_delivery_event = 1; /* a partial delivery is aborted, probably indicating the connection is being shutdown */ |
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63 // event.sctp_adaptation_layer_event = 0; /* adaptation layer notifications */ |
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64 // event.sctp_authentication_event = 0; /* when new key is made active */ |
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65 |
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66 /* Set the option to the socket */ |
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67 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_EVENTS, &event, sizeof(event)) ); |
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68 |
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69 #ifdef DEBUG_SCTP |
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70 sz = sizeof(event); |
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71 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_EVENTS, &event, &sz) ); |
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72 if (sz != sizeof(event)) |
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73 { |
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74 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(event)); |
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75 return ENOTSUP; |
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76 } |
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77 |
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78 TRACE_DEBUG(FULL, "SCTP_EVENTS : sctp_data_io_event : %hhu", event.sctp_data_io_event); |
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79 TRACE_DEBUG(FULL, " sctp_association_event : %hhu", event.sctp_association_event); |
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80 TRACE_DEBUG(FULL, " sctp_address_event : %hhu", event.sctp_address_event); |
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81 TRACE_DEBUG(FULL, " sctp_send_failure_event : %hhu", event.sctp_send_failure_event); |
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82 TRACE_DEBUG(FULL, " sctp_peer_error_event : %hhu", event.sctp_peer_error_event); |
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83 TRACE_DEBUG(FULL, " sctp_shutdown_event : %hhu", event.sctp_shutdown_event); |
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84 TRACE_DEBUG(FULL, " sctp_partial_delivery_event : %hhu", event.sctp_partial_delivery_event); |
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85 TRACE_DEBUG(FULL, " sctp_adaptation_layer_event : %hhu", event.sctp_adaptation_layer_event); |
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86 // TRACE_DEBUG(FULL, " sctp_authentication_event : %hhu", event.sctp_authentication_event); |
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87 #endif /* DEBUG_SCTP */ |
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88 |
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89 } |
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90 |
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91 /* Set the INIT parameters, such as number of streams */ |
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92 { |
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93 struct sctp_initmsg init; |
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94 memset(&init, 0, sizeof(init)); |
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95 |
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96 #ifdef DEBUG_SCTP |
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97 sz = sizeof(init); |
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98 |
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99 /* Read socket defaults */ |
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100 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_INITMSG, &init, &sz) ); |
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101 if (sz != sizeof(init)) |
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102 { |
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103 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(init)); |
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104 return ENOTSUP; |
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105 } |
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106 TRACE_DEBUG(FULL, "Def SCTP_INITMSG : sinit_num_ostreams : %hu", init.sinit_num_ostreams); |
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107 TRACE_DEBUG(FULL, " sinit_max_instreams : %hu", init.sinit_max_instreams); |
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108 TRACE_DEBUG(FULL, " sinit_max_attempts : %hu", init.sinit_max_attempts); |
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109 TRACE_DEBUG(FULL, " sinit_max_init_timeo : %hu", init.sinit_max_init_timeo); |
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110 #endif /* DEBUG_SCTP */ |
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111 |
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112 /* Set the init options -- need to receive SCTP_COMM_UP to confirm the requested parameters */ |
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113 init.sinit_num_ostreams = fd_g_config->cnf_sctp_str; /* desired number of outgoing streams */ |
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114 init.sinit_max_init_timeo = CNX_TIMEOUT * 1000; |
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115 |
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116 /* Set the option to the socket */ |
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117 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_INITMSG, &init, sizeof(init)) ); |
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118 |
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119 #ifdef DEBUG_SCTP |
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120 /* Check new values */ |
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121 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_INITMSG, &init, &sz) ); |
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122 TRACE_DEBUG(FULL, "New SCTP_INITMSG : sinit_num_ostreams : %hu", init.sinit_num_ostreams); |
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123 TRACE_DEBUG(FULL, " sinit_max_instreams : %hu", init.sinit_max_instreams); |
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124 TRACE_DEBUG(FULL, " sinit_max_attempts : %hu", init.sinit_max_attempts); |
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125 TRACE_DEBUG(FULL, " sinit_max_init_timeo : %hu", init.sinit_max_init_timeo); |
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126 #endif /* DEBUG_SCTP */ |
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127 } |
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128 |
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129 /* Set the SCTP_DISABLE_FRAGMENTS option, required for TLS */ |
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130 #ifdef SCTP_DISABLE_FRAGMENTS |
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131 { |
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132 int nofrag; |
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133 |
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134 #ifdef DEBUG_SCTP |
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135 sz = sizeof(nofrag); |
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136 /* Read socket defaults */ |
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137 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_DISABLE_FRAGMENTS, &nofrag, &sz) ); |
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138 if (sz != sizeof(nofrag)) |
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139 { |
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140 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(nofrag)); |
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141 return ENOTSUP; |
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142 } |
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143 TRACE_DEBUG(FULL, "Def SCTP_DISABLE_FRAGMENTS value : %s", nofrag ? "true" : "false"); |
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144 #endif /* DEBUG_SCTP */ |
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145 |
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146 nofrag = 0; /* We turn ON the fragmentation */ |
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147 |
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148 /* Set the option to the socket */ |
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149 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_DISABLE_FRAGMENTS, &nofrag, sizeof(nofrag)) ); |
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150 |
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151 #ifdef DEBUG_SCTP |
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152 /* Check new values */ |
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153 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_DISABLE_FRAGMENTS, &nofrag, &sz) ); |
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154 TRACE_DEBUG(FULL, "New SCTP_DISABLE_FRAGMENTS value : %s", nofrag ? "true" : "false"); |
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155 #endif /* DEBUG_SCTP */ |
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156 } |
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157 #else /* SCTP_DISABLE_FRAGMENTS */ |
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158 # error "TLS requires support of SCTP_DISABLE_FRAGMENTS" |
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159 #endif /* SCTP_DISABLE_FRAGMENTS */ |
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160 |
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161 |
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162 /* Set the RETRANSMIT parameters */ |
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163 #ifdef SCTP_RTOINFO |
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164 { |
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165 struct sctp_rtoinfo rtoinfo; |
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166 memset(&rtoinfo, 0, sizeof(rtoinfo)); |
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167 |
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168 #ifdef DEBUG_SCTP |
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169 sz = sizeof(rtoinfo); |
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170 /* Read socket defaults */ |
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171 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_RTOINFO, &rtoinfo, &sz) ); |
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172 if (sz != sizeof(rtoinfo)) |
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173 { |
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174 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(rtoinfo)); |
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175 return ENOTSUP; |
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176 } |
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177 TRACE_DEBUG(FULL, "Def SCTP_RTOINFO : srto_initial : %u", rtoinfo.srto_initial); |
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178 TRACE_DEBUG(FULL, " srto_max : %u", rtoinfo.srto_max); |
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179 TRACE_DEBUG(FULL, " srto_min : %u", rtoinfo.srto_min); |
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180 #endif /* DEBUG_SCTP */ |
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181 |
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182 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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183 |
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184 /* Set the option to the socket */ |
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185 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_RTOINFO, &rtoinfo, sizeof(rtoinfo)) ); |
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186 |
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187 #ifdef DEBUG_SCTP |
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188 /* Check new values */ |
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189 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_RTOINFO, &rtoinfo, &sz) ); |
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190 TRACE_DEBUG(FULL, "New SCTP_RTOINFO : srto_initial : %u", rtoinfo.srto_initial); |
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191 TRACE_DEBUG(FULL, " srto_max : %u", rtoinfo.srto_max); |
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192 TRACE_DEBUG(FULL, " srto_min : %u", rtoinfo.srto_min); |
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193 #endif /* DEBUG_SCTP */ |
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194 } |
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195 #else /* SCTP_RTOINFO */ |
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196 # ifdef DEBUG_SCTP |
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197 TRACE_DEBUG(FULL, "Skipping SCTP_RTOINFO"); |
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198 # endif /* DEBUG_SCTP */ |
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199 #endif /* SCTP_RTOINFO */ |
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200 |
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201 /* Set the ASSOCIATION parameters */ |
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202 #ifdef SCTP_ASSOCINFO |
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203 { |
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204 struct sctp_assocparams assoc; |
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205 memset(&assoc, 0, sizeof(assoc)); |
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206 |
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207 #ifdef DEBUG_SCTP |
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208 sz = sizeof(assoc); |
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209 /* Read socket defaults */ |
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210 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_ASSOCINFO, &assoc, &sz) ); |
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211 if (sz != sizeof(assoc)) |
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212 { |
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213 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(assoc)); |
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214 return ENOTSUP; |
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215 } |
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216 TRACE_DEBUG(FULL, "Def SCTP_ASSOCINFO : sasoc_asocmaxrxt : %hu", assoc.sasoc_asocmaxrxt); |
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217 TRACE_DEBUG(FULL, " sasoc_number_peer_destinations : %hu", assoc.sasoc_number_peer_destinations); |
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218 TRACE_DEBUG(FULL, " sasoc_peer_rwnd : %u" , assoc.sasoc_peer_rwnd); |
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219 TRACE_DEBUG(FULL, " sasoc_local_rwnd : %u" , assoc.sasoc_local_rwnd); |
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220 TRACE_DEBUG(FULL, " sasoc_cookie_life : %u" , assoc.sasoc_cookie_life); |
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221 #endif /* DEBUG_SCTP */ |
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222 |
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223 assoc.sasoc_asocmaxrxt = 5; /* Maximum retransmission attempts: we want fast detection of errors */ |
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224 |
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225 /* Set the option to the socket */ |
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226 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_ASSOCINFO, &assoc, sizeof(assoc)) ); |
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227 |
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228 #ifdef DEBUG_SCTP |
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229 /* Check new values */ |
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230 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_ASSOCINFO, &assoc, &sz) ); |
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231 TRACE_DEBUG(FULL, "New SCTP_ASSOCINFO : sasoc_asocmaxrxt : %hu", assoc.sasoc_asocmaxrxt); |
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232 TRACE_DEBUG(FULL, " sasoc_number_peer_destinations : %hu", assoc.sasoc_number_peer_destinations); |
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233 TRACE_DEBUG(FULL, " sasoc_peer_rwnd : %u" , assoc.sasoc_peer_rwnd); |
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234 TRACE_DEBUG(FULL, " sasoc_local_rwnd : %u" , assoc.sasoc_local_rwnd); |
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235 TRACE_DEBUG(FULL, " sasoc_cookie_life : %u" , assoc.sasoc_cookie_life); |
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236 #endif /* DEBUG_SCTP */ |
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237 } |
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238 #else /* SCTP_ASSOCINFO */ |
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239 # ifdef DEBUG_SCTP |
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240 TRACE_DEBUG(FULL, "Skipping SCTP_ASSOCINFO"); |
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241 # endif /* DEBUG_SCTP */ |
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242 #endif /* SCTP_ASSOCINFO */ |
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243 |
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244 |
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245 /* The SO_LINGER option will be re-set if we want to perform SCTP ABORT */ |
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246 #ifdef SO_LINGER |
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247 { |
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248 struct linger linger; |
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249 memset(&linger, 0, sizeof(linger)); |
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250 |
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251 #ifdef DEBUG_SCTP |
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252 sz = sizeof(linger); |
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253 /* Read socket defaults */ |
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254 CHECK_SYS( getsockopt(sk, SOL_SOCKET, SO_LINGER, &linger, &sz) ); |
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255 if (sz != sizeof(linger)) |
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256 { |
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257 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(linger)); |
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258 return ENOTSUP; |
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259 } |
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260 TRACE_DEBUG(FULL, "Def SO_LINGER : l_onoff : %d", linger.l_onoff); |
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261 TRACE_DEBUG(FULL, " l_linger : %d", linger.l_linger); |
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262 #endif /* DEBUG_SCTP */ |
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263 |
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264 linger.l_onoff = 0; /* Do not activate the linger */ |
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265 linger.l_linger = 0; /* Return immediately when closing (=> abort) */ |
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266 |
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267 /* Set the option */ |
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268 CHECK_SYS( setsockopt(sk, SOL_SOCKET, SO_LINGER, &linger, sizeof(linger)) ); |
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269 |
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270 #ifdef DEBUG_SCTP |
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271 /* Check new values */ |
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272 CHECK_SYS( getsockopt(sk, SOL_SOCKET, SO_LINGER, &linger, &sz) ); |
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273 TRACE_DEBUG(FULL, "New SO_LINGER : l_onoff : %d", linger.l_onoff); |
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274 TRACE_DEBUG(FULL, " l_linger : %d", linger.l_linger); |
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275 #endif /* DEBUG_SCTP */ |
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276 } |
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277 #else /* SO_LINGER */ |
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278 # ifdef DEBUG_SCTP |
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279 TRACE_DEBUG(FULL, "Skipping SO_LINGER"); |
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280 # endif /* DEBUG_SCTP */ |
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281 #endif /* SO_LINGER */ |
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282 |
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283 /* Set the NODELAY option (Nagle-like algorithm) */ |
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284 #ifdef SCTP_NODELAY |
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285 { |
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286 int nodelay; |
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287 |
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288 #ifdef DEBUG_SCTP |
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289 sz = sizeof(nodelay); |
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290 /* Read socket defaults */ |
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291 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_NODELAY, &nodelay, &sz) ); |
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292 if (sz != sizeof(nodelay)) |
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293 { |
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294 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(nodelay)); |
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295 return ENOTSUP; |
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296 } |
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297 TRACE_DEBUG(FULL, "Def SCTP_NODELAY value : %s", nodelay ? "true" : "false"); |
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298 #endif /* DEBUG_SCTP */ |
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299 |
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300 nodelay = 0; /* We turn ON the Nagle algorithm (probably the default already) */ |
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301 |
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302 /* Set the option to the socket */ |
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303 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_NODELAY, &nodelay, sizeof(nodelay)) ); |
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304 |
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305 #ifdef DEBUG_SCTP |
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306 /* Check new values */ |
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307 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_NODELAY, &nodelay, &sz) ); |
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308 TRACE_DEBUG(FULL, "New SCTP_NODELAY value : %s", nodelay ? "true" : "false"); |
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309 #endif /* DEBUG_SCTP */ |
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310 } |
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311 #else /* SCTP_NODELAY */ |
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312 # ifdef DEBUG_SCTP |
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313 TRACE_DEBUG(FULL, "Skipping SCTP_NODELAY"); |
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314 # endif /* DEBUG_SCTP */ |
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315 #endif /* SCTP_NODELAY */ |
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316 |
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317 /* Set the interleaving option */ |
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318 #ifdef SCTP_FRAGMENT_INTERLEAVE |
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319 { |
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320 int interleave; |
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321 |
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322 #ifdef DEBUG_SCTP |
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323 sz = sizeof(interleave); |
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324 /* Read socket defaults */ |
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325 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_FRAGMENT_INTERLEAVE, &interleave, &sz) ); |
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326 if (sz != sizeof(interleave)) |
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327 { |
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328 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(interleave)); |
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329 return ENOTSUP; |
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330 } |
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331 TRACE_DEBUG(FULL, "Def SCTP_FRAGMENT_INTERLEAVE value : %d", interleave); |
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332 #endif /* DEBUG_SCTP */ |
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333 |
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334 #if 0 |
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335 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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336 #else /* 0 */ |
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337 interleave = 1; /* hmmm actually, we are not yet capable of handling this, and we don t need it. */ |
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338 #endif /* 0 */ |
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339 |
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340 /* Set the option to the socket */ |
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341 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_FRAGMENT_INTERLEAVE, &interleave, sizeof(interleave)) ); |
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342 |
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343 #ifdef DEBUG_SCTP |
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344 /* Check new values */ |
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345 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_FRAGMENT_INTERLEAVE, &interleave, &sz) ); |
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346 TRACE_DEBUG(FULL, "New SCTP_FRAGMENT_INTERLEAVE value : %d", interleave); |
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347 #endif /* DEBUG_SCTP */ |
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348 } |
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349 #else /* SCTP_FRAGMENT_INTERLEAVE */ |
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350 # ifdef DEBUG_SCTP |
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351 TRACE_DEBUG(FULL, "Skipping SCTP_FRAGMENT_INTERLEAVE"); |
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352 # endif /* DEBUG_SCTP */ |
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353 #endif /* SCTP_FRAGMENT_INTERLEAVE */ |
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354 |
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355 /* Set the v4 mapped addresses option */ |
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356 #ifdef SCTP_I_WANT_MAPPED_V4_ADDR |
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357 { |
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358 int v4mapped; |
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359 |
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360 #ifdef DEBUG_SCTP |
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361 sz = sizeof(v4mapped); |
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362 /* Read socket defaults */ |
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363 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_I_WANT_MAPPED_V4_ADDR, &v4mapped, &sz) ); |
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364 if (sz != sizeof(v4mapped)) |
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365 { |
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366 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(v4mapped)); |
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367 return ENOTSUP; |
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368 } |
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369 TRACE_DEBUG(FULL, "Def SCTP_I_WANT_MAPPED_V4_ADDR value : %s", v4mapped ? "true" : "false"); |
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370 #endif /* DEBUG_SCTP */ |
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371 |
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372 #ifndef SCTP_USE_MAPPED_ADDRESSES |
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373 v4mapped = 0; /* We don't want v4 mapped addresses */ |
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374 #else /* SCTP_USE_MAPPED_ADDRESSES */ |
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375 v4mapped = 1; /* but we may have to, otherwise the bind fails in some environments */ |
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376 #endif /* SCTP_USE_MAPPED_ADDRESSES */ |
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377 |
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378 /* Set the option to the socket */ |
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379 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_I_WANT_MAPPED_V4_ADDR, &v4mapped, sizeof(v4mapped)) ); |
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380 |
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381 #ifdef DEBUG_SCTP |
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382 /* Check new values */ |
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383 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_I_WANT_MAPPED_V4_ADDR, &v4mapped, &sz) ); |
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384 TRACE_DEBUG(FULL, "New SCTP_I_WANT_MAPPED_V4_ADDR value : %s", v4mapped ? "true" : "false"); |
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385 #endif /* DEBUG_SCTP */ |
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386 } |
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387 #else /* SCTP_I_WANT_MAPPED_V4_ADDR */ |
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388 # ifdef DEBUG_SCTP |
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389 TRACE_DEBUG(FULL, "Skipping SCTP_I_WANT_MAPPED_V4_ADDR"); |
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390 # endif /* DEBUG_SCTP */ |
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391 #endif /* SCTP_I_WANT_MAPPED_V4_ADDR */ |
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392 |
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393 |
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394 /* Other settable options (draft-ietf-tsvwg-sctpsocket-17): |
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395 SO_RCVBUF size of receiver window |
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396 SO_SNDBUF size of pending data to send |
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397 SCTP_AUTOCLOSE for one-to-many only |
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398 SCTP_SET_PEER_PRIMARY_ADDR ask remote peer to use this local address as primary |
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399 SCTP_PRIMARY_ADDR use this address as primary locally |
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400 SCTP_ADAPTATION_LAYER set adaptation layer indication |
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401 SCTP_PEER_ADDR_PARAMS control heartbeat per peer address |
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402 SCTP_DEFAULT_SEND_PARAM parameters for the sendto() call |
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403 SCTP_MAXSEG max size of fragmented segments -- bound to PMTU |
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404 SCTP_AUTH_CHUNK request authentication of some type of chunk |
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405 SCTP_HMAC_IDENT authentication algorithms |
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406 SCTP_AUTH_KEY set a shared key |
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407 SCTP_AUTH_ACTIVE_KEY set the active key |
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408 SCTP_AUTH_DELETE_KEY remove a key |
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409 SCTP_AUTH_DEACTIVATE_KEY will not use that key anymore |
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410 SCTP_DELAYED_SACK control delayed acks |
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411 SCTP_PARTIAL_DELIVERY_POINT control partial delivery size |
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412 SCTP_USE_EXT_RCVINFO use extended receive info structure (information about the next message if available) |
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413 SCTP_MAX_BURST number of packets that can be burst emitted |
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414 SCTP_CONTEXT save a context information along with the association. |
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415 SCTP_EXPLICIT_EOR enable sending one message across several send calls |
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416 SCTP_REUSE_PORT share one listening port with several sockets |
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417 |
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418 read-only options: |
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419 SCTP_STATUS retrieve info such as number of streams, pending packets, state, ... |
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420 SCTP_GET_PEER_ADDR_INFO get information about a specific peer address of the association. |
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421 SCTP_PEER_AUTH_CHUNKS list of chunks the remote peer wants authenticated |
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422 SCTP_LOCAL_AUTH_CHUNKS list of chunks the local peer wants authenticated |
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423 SCTP_GET_ASSOC_NUMBER number of associations in a one-to-many socket |
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424 SCTP_GET_ASSOC_ID_LIST list of these associations |
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425 */ |
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426 |
24
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427 /* In case of no_ip4, force the v6only option -- is it a valid option for SCTP ? */ |
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428 #ifdef IPV6_V6ONLY |
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429 if (fd_g_config->cnf_flags.no_ip4) { |
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430 int opt = 1; |
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431 CHECK_SYS(setsockopt(sk, IPPROTO_IPV6, IPV6_V6ONLY, &opt, sizeof(opt))); |
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432 } |
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433 #endif /* IPV6_V6ONLY */ |
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434 |
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435 return 0; |
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436 } |
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437 |
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438 |
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439 /* Post-binding socket options */ |
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440 static int fd_setsockopt_postbind(int sk, int bound_to_default) |
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441 { |
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442 TRACE_ENTRY( "%d %d", sk, bound_to_default); |
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443 |
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444 CHECK_PARAMS( (sk > 0) ); |
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445 |
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446 /* Set the ASCONF option */ |
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447 #ifdef SCTP_AUTO_ASCONF |
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448 { |
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449 int asconf; |
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450 |
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451 #ifdef DEBUG_SCTP |
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452 socklen_t sz; |
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453 |
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454 sz = sizeof(asconf); |
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455 /* Read socket defaults */ |
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456 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_AUTO_ASCONF, &asconf, &sz) ); |
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457 if (sz != sizeof(asconf)) |
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458 { |
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459 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %d", sz, (socklen_t)sizeof(asconf)); |
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460 return ENOTSUP; |
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461 } |
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462 TRACE_DEBUG(FULL, "Def SCTP_AUTO_ASCONF value : %s", asconf ? "true" : "false"); |
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463 #endif /* DEBUG_SCTP */ |
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464 |
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465 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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466 |
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467 /* Set the option to the socket */ |
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468 CHECK_SYS( setsockopt(sk, IPPROTO_SCTP, SCTP_AUTO_ASCONF, &asconf, sizeof(asconf)) ); |
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469 |
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470 #ifdef DEBUG_SCTP |
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471 /* Check new values */ |
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472 CHECK_SYS( getsockopt(sk, IPPROTO_SCTP, SCTP_AUTO_ASCONF, &asconf, &sz) ); |
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473 TRACE_DEBUG(FULL, "New SCTP_AUTO_ASCONF value : %s", asconf ? "true" : "false"); |
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474 #endif /* DEBUG_SCTP */ |
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475 } |
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476 #else /* SCTP_AUTO_ASCONF */ |
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477 # ifdef DEBUG_SCTP |
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478 TRACE_DEBUG(FULL, "Skipping SCTP_AUTO_ASCONF"); |
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479 # endif /* DEBUG_SCTP */ |
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480 #endif /* SCTP_AUTO_ASCONF */ |
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481 |
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482 return 0; |
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483 } |
20
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484 |
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485 /* Create a socket server and bind it according to daemon s configuration */ |
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486 int fd_sctp_create_bind_server( int * sock, struct fd_list * list, uint16_t port ) |
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487 { |
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488 int family; |
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489 int bind_default; |
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490 |
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491 TRACE_ENTRY("%p %p %hu", sock, list, port); |
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492 CHECK_PARAMS(sock); |
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493 |
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494 if (fd_g_config->cnf_flags.no_ip6) { |
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495 family = AF_INET; |
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496 } else { |
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497 family = AF_INET6; /* can create socket for both IP and IPv6 */ |
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498 } |
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499 |
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500 /* Create the socket */ |
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501 CHECK_SYS( *sock = socket(family, SOCK_STREAM, IPPROTO_SCTP) ); |
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502 |
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503 /* Set pre-binding socket options, including number of streams etc... */ |
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504 CHECK_FCT( fd_setsockopt_prebind(*sock) ); |
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505 |
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506 bind_default = (! list) || (FD_IS_LIST_EMPTY(list)) ; |
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507 redo: |
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508 if ( bind_default ) { |
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509 /* Implicit endpoints : bind to default addresses */ |
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510 union { |
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511 sSS ss; |
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512 sSA sa; |
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513 sSA4 sin; |
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514 sSA6 sin6; |
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515 } s; |
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516 |
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517 /* 0.0.0.0 and [::] are all zeros */ |
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518 memset(&s, 0, sizeof(s)); |
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519 |
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520 s.sa.sa_family = family; |
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521 |
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522 if (family == AF_INET) |
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523 s.sin.sin_port = htons(port); |
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524 else |
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525 s.sin6.sin6_port = htons(port); |
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526 |
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527 CHECK_SYS( bind(*sock, &s.sa, sizeof(s)) ); |
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528 |
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529 } else { |
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|
530 /* Explicit endpoints to bind to from config */ |
24
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531 |
23
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532 union { |
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533 sSA * sa; |
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534 sSA4 *sin; |
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535 sSA6 *sin6; |
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536 uint8_t *buf; |
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537 } ptr; |
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538 union { |
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539 sSA * sa; |
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540 uint8_t * buf; |
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541 } sar; |
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542 int count = 0; /* number of sock addr in sar array */ |
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543 size_t offset = 0; |
23
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544 struct fd_list * li; |
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545 |
24
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546 sar.buf = NULL; |
23
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547 |
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548 /* Create a flat array from the list of configured addresses */ |
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549 for (li = list->next; li != list; li = li->next) { |
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550 struct fd_endpoint * ep = (struct fd_endpoint *)li; |
24
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551 size_t sz = 0; |
23
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552 |
24
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553 if (! (ep->flags & EP_FL_CONF)) |
23
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554 continue; |
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555 |
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556 count++; |
24
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557 |
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changeset
|
558 /* Size of the new SA we are adding (sar may contain a mix of sockaddr_in and sockaddr_in6) */ |
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559 #ifndef SCTP_USE_MAPPED_ADDRESSES |
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560 if (ep->sa.sa_family == AF_INET6) |
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561 #else /* SCTP_USE_MAPPED_ADDRESSES */ |
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562 if (family == AF_INET6) |
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563 #endif /* SCTP_USE_MAPPED_ADDRESSES */ |
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564 sz = sizeof(sSA6); |
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565 else |
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566 sz = sizeof(sSA4); |
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567 |
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changeset
|
568 /* augment sar to contain the additional info */ |
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569 CHECK_MALLOC( sar.buf = realloc(sar.buf, offset + sz) ); |
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|
570 |
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571 ptr.buf = sar.buf + offset; /* place of the new SA */ |
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572 offset += sz; /* update to end of sar */ |
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573 |
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574 if (sz == sizeof(sSA4)) { |
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575 memcpy(ptr.buf, &ep->sin, sz); |
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576 ptr.sin->sin_port = htons(port); |
23
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577 } else { |
24
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578 if (ep->sa.sa_family == AF_INET) { /* We must map the address */ |
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579 memset(ptr.buf, 0, sz); |
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580 ptr.sin6->sin6_family = AF_INET6; |
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581 IN6_ADDR_V4MAP( &ptr.sin6->sin6_addr.s6_addr, ep->sin.sin_addr.s_addr ); |
23
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582 } else { |
24
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583 memcpy(ptr.sin6, &ep->sin6, sz); |
23
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584 } |
24
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585 ptr.sin6->sin6_port = htons(port); |
23
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|
586 } |
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22
diff
changeset
|
587 } |
db6c40b8b307
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22
diff
changeset
|
588 |
db6c40b8b307
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22
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589 if (!count) { |
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590 /* None of the addresses in the list came from configuration, we bind to default */ |
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591 bind_default = 1; |
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22
diff
changeset
|
592 goto redo; |
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22
diff
changeset
|
593 } |
db6c40b8b307
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22
diff
changeset
|
594 |
db6c40b8b307
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22
diff
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|
595 # ifdef DEBUG_SCTP |
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|
596 if (TRACE_BOOL(FULL)) { |
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22
diff
changeset
|
597 int i; |
24
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23
diff
changeset
|
598 ptr.buf = sar.buf; |
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changeset
|
599 fd_log_debug("Calling sctp_bindx with the following address array:\n"); |
23
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22
diff
changeset
|
600 for (i = 0; i < count; i++) { |
24
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23
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changeset
|
601 TRACE_DEBUG_sSA(FULL, " - ", ptr.sa, NI_NUMERICHOST | NI_NUMERICSERV, "" ); |
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changeset
|
602 ptr.buf += (ptr.sa->sa_family == AF_INET) ? sizeof(sSA4) : sizeof(sSA6) ; |
23
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603 } |
db6c40b8b307
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22
diff
changeset
|
604 } |
db6c40b8b307
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|
605 #endif /* DEBUG_SCTP */ |
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|
606 |
24
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diff
changeset
|
607 /* Bind to this array */ |
23
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22
diff
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|
608 CHECK_SYS( sctp_bindx(*sock, sar.sa, count, SCTP_BINDX_ADD_ADDR) ); |
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|
609 |
24
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diff
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|
610 /* We don't need sar anymore */ |
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|
611 free(sar.buf); |
23
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|
612 } |
db6c40b8b307
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changeset
|
613 |
db6c40b8b307
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changeset
|
614 /* Now, the server is bound, set remaining sockopt */ |
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|
615 CHECK_FCT( fd_setsockopt_postbind(*sock, bind_default) ); |
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|
616 |
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|
617 #ifdef DEBUG_SCTP |
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618 /* Debug: show all local listening addresses */ |
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diff
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|
619 if (TRACE_BOOL(FULL)) { |
24
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620 sSA *sar; |
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621 union { |
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622 sSA *sa; |
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|
623 uint8_t *buf; |
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624 } ptr; |
23
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625 int sz; |
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|
626 |
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changeset
|
627 CHECK_SYS( sz = sctp_getladdrs(*sock, 0, &sar) ); |
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22
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|
628 |
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|
629 fd_log_debug("SCTP server bound on :\n"); |
24
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630 for (ptr.sa = sar; sz-- > 0; ptr.buf += (ptr.sa->sa_family == AF_INET) ? sizeof(sSA4) : sizeof(sSA6)) { |
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|
631 TRACE_DEBUG_sSA(FULL, " - ", ptr.sa, NI_NUMERICHOST | NI_NUMERICSERV, "" ); |
23
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632 } |
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633 sctp_freeladdrs(sar); |
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|
634 } |
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|
635 #endif /* DEBUG_SCTP */ |
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|
636 |
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|
637 return 0; |
20
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diff
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|
638 } |
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parents:
diff
changeset
|
639 |
22
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
640 /* Allow clients connections on server sockets */ |
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Progress on server code
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parents:
20
diff
changeset
|
641 int fd_sctp_listen( int sock ) |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
642 { |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
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|
643 TRACE_ENTRY("%d", sock); |
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Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
644 CHECK_SYS( listen(sock, 5) ); |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
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20
diff
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|
645 return 0; |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
646 } |
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
647 |
24
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
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23
diff
changeset
|
648 /* 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
|
649 int fd_sctp_client( int *sock, int no_ip6, uint16_t port, struct fd_list * list ) |
20
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Backup before typhoon... Progress on server side
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|
650 { |
24
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
651 int family; |
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Cleanups and completed sctp code (not finished)
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diff
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|
652 int count = 0; |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
653 size_t offset = 0, sz; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
654 union { |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
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diff
changeset
|
655 uint8_t *buf; |
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Cleanups and completed sctp code (not finished)
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23
diff
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|
656 sSA *sa; |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
657 } sar; |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
658 union { |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
659 uint8_t *buf; |
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Cleanups and completed sctp code (not finished)
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diff
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|
660 sSA *sa; |
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Cleanups and completed sctp code (not finished)
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diff
changeset
|
661 sSA4 *sin; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
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23
diff
changeset
|
662 sSA6 *sin6; |
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Cleanups and completed sctp code (not finished)
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23
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changeset
|
663 } ptr; |
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Cleanups and completed sctp code (not finished)
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23
diff
changeset
|
664 struct fd_list * li; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
665 int ret; |
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Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
666 |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
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23
diff
changeset
|
667 sar.buf = NULL; |
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Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
668 |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
669 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
|
670 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
|
671 |
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Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
672 if (no_ip6) { |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
673 family = AF_INET; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
674 } else { |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
675 family = AF_INET6; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
676 } |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
677 |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
678 /* Create the socket */ |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
679 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
|
680 |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
681 /* 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
|
682 pthread_cleanup_push(fd_cleanup_socket, sock); |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
683 |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
684 /* Set the socket options */ |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
685 CHECK_FCT_DO( ret = fd_setsockopt_prebind(*sock), goto fail ); |
20
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parents:
diff
changeset
|
686 |
24
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
687 /* Create the array of addresses for sctp_connectx */ |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
688 for (li = list->next; li != list; li = li->next) { |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
689 struct fd_endpoint * ep = (struct fd_endpoint *) li; |
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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 count++; |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
692 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
693 /* Size of the new SA we are adding (sar may contain a mix of sockaddr_in and sockaddr_in6) */ |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
694 #ifndef SCTP_USE_MAPPED_ADDRESSES |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
695 if (ep->sa.sa_family == AF_INET6) |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
696 #else /* SCTP_USE_MAPPED_ADDRESSES */ |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
697 if (family == AF_INET6) |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
698 #endif /* SCTP_USE_MAPPED_ADDRESSES */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
699 sz = sizeof(sSA6); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
700 else |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
701 sz = sizeof(sSA4); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
702 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
703 /* 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
|
704 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
|
705 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
706 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
|
707 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
|
708 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
709 if (sz == sizeof(sSA4)) { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
710 memcpy(ptr.buf, &ep->sin, sz); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
711 ptr.sin->sin_port = htons(port); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
712 } else { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
713 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
|
714 memset(ptr.buf, 0, sz); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
715 ptr.sin6->sin6_family = AF_INET6; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
716 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
|
717 } else { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
718 memcpy(ptr.sin6, &ep->sin6, sz); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
719 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
720 ptr.sin6->sin6_port = htons(port); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
721 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
722 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
723 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
724 /* Try connecting */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
725 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
|
726 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
|
727 free(sar.buf); sar.buf = NULL; |
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 /* Set the remaining sockopts */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
730 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
|
731 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
732 /* Done! */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
733 pthread_cleanup_pop(0); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
734 return 0; |
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 fail: |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
737 if (*sock > 0) { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
738 shutdown(*sock, SHUT_RDWR); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
739 *sock = -1; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
740 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
741 free(sar.buf); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
742 return ret; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
743 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
744 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
745 /* Retrieve streams information from a connected association -- optionaly provide the primary address */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
746 int fd_sctp_get_str_info( int sock, int *in, int *out, sSS *primary ) |
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 struct sctp_status status; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
749 socklen_t sz = sizeof(status); |
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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 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
|
752 CHECK_PARAMS( (sock > 0) && in && out ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
753 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
754 /* Read the association parameters */ |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
755 memset(&status, 0, sizeof(status)); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
756 CHECK_SYS( getsockopt(sock, IPPROTO_SCTP, SCTP_STATUS, &status, &sz) ); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
757 if (sz != sizeof(status)) |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
758 { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
759 TRACE_DEBUG(INFO, "Invalid size of socket option: %d / %g", sz, sizeof(status)); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
760 return ENOTSUP; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
761 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
762 #ifdef DEBUG_SCTP |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
763 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
|
764 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
|
765 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
|
766 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
|
767 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
|
768 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
|
769 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
|
770 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
|
771 TRACE_DEBUG(FULL, " sstat_primary.spinfo_state : %d" , status.sstat_primary.spinfo_state); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
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parents:
23
diff
changeset
|
772 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
|
773 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
|
774 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
|
775 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
|
776 #endif /* DEBUG_SCTP */ |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
777 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
778 *in = (int)status.sstat_instrms; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
779 *out = (int)status.sstat_outstrms; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
780 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
781 if (primary) |
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Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
782 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
|
783 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
784 return 0; |
20
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
785 } |
22
0b3b46da2c12
Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
20
diff
changeset
|
786 |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
787 /* 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
|
788 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
|
789 { |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
790 union { |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
791 sSA *sa; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
792 uint8_t *buf; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
793 } ptr; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
794 |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
795 sSA * data; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
796 int count; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
797 |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
798 TRACE_ENTRY("%d %p", sock, list); |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
799 CHECK_PARAMS(list); |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
800 |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
801 /* Read the list on the socket */ |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
802 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
|
803 ptr.sa = data; |
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 while (count) { |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
806 socklen_t sl; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
807 switch (ptr.sa->sa_family) { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
808 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
|
809 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
|
810 default: |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
811 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
|
812 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
813 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
814 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
|
815 ptr.buf += sl; |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
816 count --; |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
817 } |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
818 |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
819 /* Free the list */ |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
820 sctp_freeladdrs(data); |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
821 |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
822 /* 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
|
823 { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
824 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
825 struct sctp_status status; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
826 socklen_t sz = sizeof(status); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
827 int ret; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
828 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
829 memset(&status, 0, sizeof(status)); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
830 /* 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
|
831 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
|
832 if (sz != sizeof(status)) |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
833 ret = -1; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
834 sz = sizeof(sSS); |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
835 if (ret < 0) |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
836 { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
837 /* 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
|
838 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
|
839 } |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
840 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
841 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
|
842 } |
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 return 0; |
23
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
845 } |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
846 |
db6c40b8b307
Added some code in cnxctx.c mainly
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
22
diff
changeset
|
847 /* 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
|
848 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
|
849 { |
24
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
850 union { |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
851 sSA *sa; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
852 uint8_t *buf; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
853 } ptr; |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
changeset
|
854 |
bd83ce9328ed
Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
23
diff
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855 sSA * data; |
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856 int count; |
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857 |
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858 TRACE_ENTRY("%d %p", sock, list); |
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859 CHECK_PARAMS(list); |
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860 |
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861 /* Read the list on the socket */ |
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862 CHECK_SYS( count = sctp_getpaddrs(sock, 0, &data) ); |
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863 ptr.sa = data; |
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864 |
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865 while (count) { |
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866 socklen_t sl; |
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867 switch (ptr.sa->sa_family) { |
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868 case AF_INET: sl = sizeof(sSA4); break; |
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869 case AF_INET6: sl = sizeof(sSA6); break; |
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870 default: |
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871 TRACE_DEBUG(INFO, "Unkown address family returned in sctp_getpaddrs: %d", ptr.sa->sa_family); |
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872 } |
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873 |
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874 CHECK_FCT( fd_ep_add_merge( list, ptr.sa, sl, EP_FL_LL ) ); |
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875 ptr.buf += sl; |
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876 count --; |
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877 } |
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878 |
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879 /* Free the list */ |
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880 sctp_freepaddrs(data); |
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881 |
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882 /* Now get the primary address, the add function will take care of merging with existing entry */ |
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883 { |
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884 sSS ss; |
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885 socklen_t sl = sizeof(sSS); |
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886 |
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887 CHECK_SYS(getpeername(sock, (sSA *)&ss, &sl)); |
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888 CHECK_FCT( fd_ep_add_merge( list, (sSA *)&ss, sl, EP_FL_PRIMARY ) ); |
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889 } |
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890 |
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891 /* Done! */ |
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892 return 0; |
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893 } |
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894 |