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annotate freeDiameter/endpoints.c @ 210:2b5027949f85

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Fix issue where the same address can be added several times in a list
author Sebastien Decugis <sdecugis@nict.go.jp>
date Tue, 16 Feb 2010 16:33:03 +0900
parents a32646b7e7d7
children 5df55136361b
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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
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38
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39 /* Add an endpoint information in a list */
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40 int fd_ep_add_merge( struct fd_list * list, sSA * sa, socklen_t sl, uint32_t flags )
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41 {
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42 struct fd_endpoint * ep;
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43 struct fd_list * li;
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44 union {
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45 sSA * sa;
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46 sSA4 *sin;
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47 sSA6 *sin6;
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48 } ptr;
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49 in_port_t * port;
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50 int cmp = -1;
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51
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52 TRACE_ENTRY("%p %p %u %x", list, sa, sl, flags);
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53 CHECK_PARAMS( list && sa && (sl <= sizeof(sSS)) );
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54
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55 ptr.sa = sa;
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56
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57 /* Filter out a bunch of invalid addresses */
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58 switch (sa->sa_family) {
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59 case AF_INET:
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60 if (! (flags & EP_ACCEPTALL)) {
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61 if (IN_IS_ADDR_UNSPECIFIED(&ptr.sin->sin_addr)
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62 || IN_IS_ADDR_LOOPBACK(&ptr.sin->sin_addr)
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63 || IN_MULTICAST(ptr.sin->sin_addr.s_addr)
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64 || IN_EXPERIMENTAL(ptr.sin->sin_addr.s_addr)
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65 || IN_BADCLASS(ptr.sin->sin_addr.s_addr)
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66 || (ptr.sin->sin_addr.s_addr == INADDR_BROADCAST))
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67 return 0;
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68 }
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69 port = &ptr.sin->sin_port;
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70 break;
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71
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72 case AF_INET6:
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73 if (! (flags & EP_ACCEPTALL)) {
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74 if (IN6_IS_ADDR_UNSPECIFIED(&ptr.sin6->sin6_addr)
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75 || IN6_IS_ADDR_LOOPBACK(&ptr.sin6->sin6_addr)
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76 || IN6_IS_ADDR_MULTICAST(&ptr.sin6->sin6_addr)
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77 || IN6_IS_ADDR_LINKLOCAL(&ptr.sin6->sin6_addr)
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78 || IN6_IS_ADDR_SITELOCAL(&ptr.sin6->sin6_addr))
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79 return 0;
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80 }
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81 port = &ptr.sin6->sin6_port;
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82 break;
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83
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84 default:
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85 return 0;
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86 }
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87
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88 /* remove the ACCEPTALL flag */
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89 flags &= ~EP_ACCEPTALL;
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90
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91 /* Search place in the list */
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92 for (li = list->next; li != list; li = li->next) {
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93 ep = (struct fd_endpoint *)li;
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94 in_port_t * ep_port;
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95
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96 /* First, compare the address family */
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97 if (ep->sa.sa_family < sa->sa_family)
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98 continue;
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99 if (ep->sa.sa_family > sa->sa_family)
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100 break;
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101
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102 /* Then compare the address field */
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103 switch (sa->sa_family) {
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104 case AF_INET:
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105 cmp = memcmp(&ep->sin.sin_addr, &ptr.sin->sin_addr, sizeof(struct in_addr));
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106 ep_port = &ep->sin.sin_port;
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107 break;
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108 case AF_INET6:
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109 cmp = memcmp(&ep->sin6.sin6_addr, &ptr.sin6->sin6_addr, sizeof(struct in6_addr));
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110 ep_port = &ep->sin6.sin6_port;
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111 break;
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112 default:
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113 /* Filter this out */
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114 return 0;
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115 }
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116 if (cmp < 0)
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117 continue;
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118 if (cmp > 0)
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119 break;
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120
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121 /* Finally compare the port, only if not 0 */
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122 if (*port == 0)
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diff changeset
123 break;
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diff changeset
124 if (*ep_port == 0) {
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diff changeset
125 /* save the port information in the list, and break */
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diff changeset
126 *ep_port = *port;
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diff changeset
127 break;
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parents: 178
diff changeset
128 }
2b5027949f85 Fix issue where the same address can be added several times in a list
Sebastien Decugis <sdecugis@nict.go.jp>
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diff changeset
129 if (*ep_port < *port)
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diff changeset
130 continue;
2b5027949f85 Fix issue where the same address can be added several times in a list
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diff changeset
131 if (*ep_port > *port)
2b5027949f85 Fix issue where the same address can be added several times in a list
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diff changeset
132 cmp = 1;
2b5027949f85 Fix issue where the same address can be added several times in a list
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diff changeset
133 break;
24
bd83ce9328ed Cleanups and completed sctp code (not finished)
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diff changeset
134 }
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135
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diff changeset
136 if (cmp) {
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137 /* new item to be added */
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138 CHECK_MALLOC( ep = malloc(sizeof(struct fd_endpoint)) );
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139 memset(ep, 0, sizeof(struct fd_endpoint));
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140 fd_list_init(&ep->chain, NULL);
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141 memcpy(&ep->ss, sa, sl);
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142
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143 /* Insert in the list */
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144 fd_list_insert_before(li, &ep->chain);
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diff changeset
145 }
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diff changeset
146
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147 /* Merge the flags */
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148 ep->flags |= flags;
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149
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150 return 0;
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diff changeset
151 }
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diff changeset
152
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diff changeset
153 /* Delete endpoints that do not have a matching flag from a list (0: delete all endpoints) */
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parents:
diff changeset
154 int fd_ep_filter( struct fd_list * list, uint32_t flags )
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155 {
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diff changeset
156 struct fd_list * li;
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diff changeset
157
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diff changeset
158 TRACE_ENTRY("%p %x", list, flags);
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diff changeset
159 CHECK_PARAMS(list);
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diff changeset
160
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diff changeset
161 for (li = list->next; li != list; li = li->next) {
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parents:
diff changeset
162 struct fd_endpoint * ep = (struct fd_endpoint *)li;
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parents:
diff changeset
163
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diff changeset
164 if (! (ep->flags & flags)) {
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diff changeset
165 li = li->prev;
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diff changeset
166 fd_list_unlink(&ep->chain);
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parents:
diff changeset
167 free(ep);
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parents:
diff changeset
168 }
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diff changeset
169 }
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diff changeset
170
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diff changeset
171 return 0;
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parents:
diff changeset
172 }
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diff changeset
173
38
68c1890f7049 Fixed a small bug in SCTP close
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diff changeset
174 /* Keep only endpoints of the same family as af */
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diff changeset
175 int fd_ep_filter_family( struct fd_list * list, int af )
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diff changeset
176 {
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diff changeset
177 struct fd_list * li;
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diff changeset
178
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diff changeset
179 TRACE_ENTRY("%p %d", list, af);
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diff changeset
180 CHECK_PARAMS(list);
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diff changeset
181
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diff changeset
182 for (li = list->next; li != list; li = li->next) {
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diff changeset
183 struct fd_endpoint * ep = (struct fd_endpoint *)li;
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diff changeset
184
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diff changeset
185 if (ep->sa.sa_family != af) {
68c1890f7049 Fixed a small bug in SCTP close
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diff changeset
186 li = li->prev;
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diff changeset
187 fd_list_unlink(&ep->chain);
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diff changeset
188 free(ep);
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diff changeset
189 }
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diff changeset
190 }
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parents: 33
diff changeset
191
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diff changeset
192 return 0;
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diff changeset
193 }
68c1890f7049 Fixed a small bug in SCTP close
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diff changeset
194
24
bd83ce9328ed Cleanups and completed sctp code (not finished)
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diff changeset
195 /* Reset the given flag(s) from all items in the list */
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parents:
diff changeset
196 int fd_ep_clearflags( struct fd_list * list, uint32_t flags )
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parents:
diff changeset
197 {
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parents:
diff changeset
198 struct fd_list * li;
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199
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diff changeset
200 TRACE_ENTRY("%p %x", list, flags);
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parents:
diff changeset
201 CHECK_PARAMS(list);
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
202
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diff changeset
203 for (li = list->next; li != list; li = li->next) {
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
204 struct fd_endpoint * ep = (struct fd_endpoint *)li;
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parents:
diff changeset
205 ep->flags &= ~flags;
43
2db15632a63d Added a large part of connection establishment logic, to test
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 38
diff changeset
206 if (ep->flags == 0) {
2db15632a63d Added a large part of connection establishment logic, to test
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 38
diff changeset
207 li = li->prev;
2db15632a63d Added a large part of connection establishment logic, to test
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 38
diff changeset
208 fd_list_unlink(&ep->chain);
2db15632a63d Added a large part of connection establishment logic, to test
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 38
diff changeset
209 free(ep);
2db15632a63d Added a large part of connection establishment logic, to test
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 38
diff changeset
210 }
24
bd83ce9328ed Cleanups and completed sctp code (not finished)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
211 }
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
212
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parents:
diff changeset
213 return 0;
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parents:
diff changeset
214 }
33
e6fcdf12b9a0 Added a lot of TODOs :)
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diff changeset
215
e6fcdf12b9a0 Added a lot of TODOs :)
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diff changeset
216 void fd_ep_dump_one( char * prefix, struct fd_endpoint * ep, char * suffix )
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
217 {
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
218 if (prefix)
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
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diff changeset
219 fd_log_debug("%s", prefix);
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diff changeset
220
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
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diff changeset
221 sSA_DUMP_NODE_SERV( &ep->sa, NI_NUMERICHOST | NI_NUMERICSERV );
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
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diff changeset
222 fd_log_debug(" {%s%s%s%s}",
e6fcdf12b9a0 Added a lot of TODOs :)
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diff changeset
223 (ep->flags & EP_FL_CONF) ? "C" : "-",
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
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diff changeset
224 (ep->flags & EP_FL_DISC) ? "D" : "-",
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
225 (ep->flags & EP_FL_ADV) ? "A" : "-",
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
226 (ep->flags & EP_FL_LL) ? "L" : "-",
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
227 (ep->flags & EP_FL_PRIMARY) ? "P" : "-");
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
228 if (suffix)
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
229 fd_log_debug("%s", suffix);
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Sebastien Decugis <sdecugis@nict.go.jp>
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diff changeset
230 }
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diff changeset
231
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parents: 24
diff changeset
232 void fd_ep_dump( int indent, struct fd_list * eps )
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
233 {
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
234 struct fd_list * li;
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
235 for (li = eps->next; li != eps; li = li->next) {
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
236 struct fd_endpoint * ep = (struct fd_endpoint *)li;
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
237 fd_log_debug("%*s", indent, "");
e6fcdf12b9a0 Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
238 fd_ep_dump_one( NULL, ep, "\n" );
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 24
diff changeset
239 }
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Sebastien Decugis <sdecugis@nict.go.jp>
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diff changeset
240 }
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Sebastien Decugis <sdecugis@nict.go.jp>
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diff changeset
241
"Welcome to our mercurial repository"