Mercurial > hg > freeDiameter

annotate freeDiameter/peers.c @ 11:6576ef5e01eb

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Added some support for peers
author Sebastien Decugis <sdecugis@nict.go.jp>
date Fri, 25 Sep 2009 18:05:06 +0900
parents
children 418d2ce80dc8
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11
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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 const char *peer_state_str[] = { "<error>"
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39 , "STATE_DISABLED"
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40 , "STATE_OPEN"
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41 , "STATE_CLOSED"
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42 , "STATE_CLOSING"
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43 , "STATE_WAITCNXACK"
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44 , "STATE_WAITCNXACK_ELEC"
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45 , "STATE_WAITCEA"
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46 , "STATE_SUSPECT"
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47 , "STATE_REOPEN"
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48 };
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49 #define STATE_STR(state) \
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50 peer_state_str[ (state) <= STATE_REOPEN ? (state) : 0 ]
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51
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52 struct fd_list fd_g_peers;
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53 pthread_rwlock_t fd_g_peers_rw;
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54
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55 static int started = 0;
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56 static pthread_mutex_t started_mtx = PTHREAD_MUTEX_INITIALIZER;
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57 static pthread_cond_t started_cnd = PTHREAD_COND_INITIALIZER;
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58
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59 /* Wait for start signal */
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60 int fd_peer_waitstart()
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61 {
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62 CHECK_POSIX( pthread_mutex_lock(&started_mtx) );
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63 awake:
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64 if (! started) {
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65 pthread_cleanup_push( fd_cleanup_mutex, &started_mtx );
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66 CHECK_POSIX( pthread_cond_wait(&started_cnd, &started_mtx) );
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67 pthread_cleanup_pop( 0 );
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68 goto awake;
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69 }
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70 CHECK_POSIX( pthread_mutex_unlock(&started_mtx) );
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71 return 0;
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72 }
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73
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74 /* Allow the state machines to start */
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75 int fd_peer_start()
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76 {
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77 CHECK_POSIX( pthread_mutex_lock(&started_mtx) );
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78 started = 1;
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79 CHECK_POSIX( pthread_cond_broadcast(&started_cnd) );
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80 CHECK_POSIX( pthread_mutex_unlock(&started_mtx) );
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81 return 0;
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82 }
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83
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84 /* Initialize the peers list */
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85 int fd_peer_init()
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86 {
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87 TRACE_ENTRY();
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88
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89 fd_list_init(&fd_g_peers, NULL);
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90 CHECK_POSIX( pthread_rwlock_init(&fd_g_peers_rw, NULL) );
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91
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92 return 0;
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93 }
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94
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95 /* Dump the list of peers */
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96 void fd_peer_dump(int details)
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97 {
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98 struct fd_list * li;
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99
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100 fd_log_debug("Dumping list of peers :\n");
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101 CHECK_FCT_DO( pthread_rwlock_rdlock(&fd_g_peers_rw), /* continue */ );
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102
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103 for (li = fd_g_peers.next; li != &fd_g_peers; li = li->next) {
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104 struct fd_peer * np = (struct fd_peer *)li;
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105 if (np->p_eyec != EYEC_PEER) {
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106 fd_log_debug(" Invalid entry @%p !\n", li);
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107 continue;
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108 }
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109
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110 fd_log_debug(" %s %s", np->p_hdr.info.pi_diamid, STATE_STR(np->p_hdr.info.pi_state));
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111 if (details > INFO) {
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112 fd_log_debug(" (rlm:%s)", np->p_hdr.info.pi_realm);
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113 if (np->p_hdr.info.pi_prodname)
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114 fd_log_debug(" ['%s' %u]", np->p_hdr.info.pi_prodname, np->p_hdr.info.pi_firmrev);
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115 }
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116 fd_log_debug("\n");
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117 }
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118
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119 CHECK_FCT_DO( pthread_rwlock_unlock(&fd_g_peers_rw), /* continue */ );
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120 }
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