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annotate freeDiameter/p_psm.c @ 22:0b3b46da2c12

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Progress on server code
author Sebastien Decugis <sdecugis@nict.go.jp>
date Mon, 19 Oct 2009 18:43:09 +0900
parents 277ec00d793e
children 67ca08d5bc48
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13
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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[] = {
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39 "STATE_NEW"
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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_OPEN_HANDSHAKE"
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47 , "STATE_SUSPECT"
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48 , "STATE_REOPEN"
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49 , "STATE_ZOMBIE"
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50 };
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51
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52 const char * fd_pev_str(int event)
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53 {
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54 switch (event) {
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55 #define case_str( _val )\
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56 case _val : return #_val
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57 case_str(FDEVP_DUMP_ALL);
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58 case_str(FDEVP_TERMINATE);
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59 case_str(FDEVP_CNX_MSG_RECV);
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60 case_str(FDEVP_MSG_INCOMING);
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61 case_str(FDEVP_PSM_TIMEOUT);
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62
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63 default:
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64 TRACE_DEBUG(FULL, "Unknown event : %d", event);
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65 return "Unknown event";
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66 }
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67 }
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68
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69
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70 static int started = 0;
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71 static pthread_mutex_t started_mtx = PTHREAD_MUTEX_INITIALIZER;
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72 static pthread_cond_t started_cnd = PTHREAD_COND_INITIALIZER;
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73
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74 /* Wait for start signal */
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75 static int fd_psm_waitstart()
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76 {
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77 TRACE_ENTRY("");
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78 CHECK_POSIX( pthread_mutex_lock(&started_mtx) );
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79 awake:
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80 if (! started) {
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81 pthread_cleanup_push( fd_cleanup_mutex, &started_mtx );
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82 CHECK_POSIX( pthread_cond_wait(&started_cnd, &started_mtx) );
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83 pthread_cleanup_pop( 0 );
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84 goto awake;
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85 }
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86 CHECK_POSIX( pthread_mutex_unlock(&started_mtx) );
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87 return 0;
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88 }
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89
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90 /* Cancelation cleanup : set ZOMBIE state in the peer */
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91 void cleanup_state(void * arg)
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92 {
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93 struct fd_peer * peer = (struct fd_peer *)arg;
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94 CHECK_PARAMS_DO( CHECK_PEER(peer), return );
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95 peer->p_hdr.info.pi_state = STATE_ZOMBIE;
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96 return;
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97 }
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98
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99 /* Set timeout timer of next event */
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100 static void psm_next_timeout(struct fd_peer * peer, int add_random, int delay)
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101 {
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102 /* Initialize the timer */
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103 CHECK_POSIX_DO( clock_gettime( CLOCK_REALTIME, &peer->p_psm_timer ), ASSERT(0) );
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104
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105 if (add_random) {
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106 if (delay > 2)
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107 delay -= 2;
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108 else
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109 delay = 0;
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110
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111 /* Add a random value between 0 and 4sec */
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112 peer->p_psm_timer.tv_sec += random() % 4;
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113 peer->p_psm_timer.tv_nsec+= random() % 1000000000L;
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114 if (peer->p_psm_timer.tv_nsec > 1000000000L) {
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115 peer->p_psm_timer.tv_nsec -= 1000000000L;
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116 peer->p_psm_timer.tv_sec ++;
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117 }
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118 }
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119
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120 peer->p_psm_timer.tv_sec += delay;
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121
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122 #if 0
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123 /* temporary for debug */
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124 peer->p_psm_timer.tv_sec += 10;
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125 #endif
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126 }
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127
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128 /* Wait for the next event in the PSM, or timeout */
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129 static int psm_ev_timedget(struct fd_peer * peer, int *code, void ** data)
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130 {
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131 struct fd_event * ev;
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132 int ret = 0;
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133
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134 TRACE_ENTRY("%p %p %p", peer, code, data);
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135
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136 ret = fd_fifo_timedget(peer->p_events, &ev, &peer->p_psm_timer);
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137 if (ret == ETIMEDOUT) {
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138 *code = FDEVP_PSM_TIMEOUT;
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
139 *data = NULL;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
140 } else {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
141 CHECK_FCT( ret );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
142 *code = ev->code;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
143 *data = ev->data;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
144 free(ev);
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
145 }
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
146
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
147 return 0;
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
148 }
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
149
16
013ce9851131 Started including TLS code
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parents: 14
diff changeset
150 /* The state machine thread (controler) */
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
151 static void * p_psm_th( void * arg )
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
152 {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
153 struct fd_peer * peer = (struct fd_peer *)arg;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
154 int created_started = started;
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
155 int event;
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
156 void * ev_data;
14
14cf6daf716d Some progress on peers module
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parents: 13
diff changeset
157
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
158 CHECK_PARAMS_DO( CHECK_PEER(peer), ASSERT(0) );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
159
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
160 pthread_cleanup_push( cleanup_state, arg );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
161
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
162 /* Set the thread name */
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
163 {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
164 char buf[48];
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
165 sprintf(buf, "PSM/%.*s", sizeof(buf) - 5, peer->p_hdr.info.pi_diamid);
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
166 fd_log_threadname ( buf );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
167 }
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
168
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
169 /* The state machine starts in CLOSED state */
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
170 peer->p_hdr.info.pi_state = STATE_CLOSED;
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parents: 13
diff changeset
171
16
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parents: 14
diff changeset
172 /* Wait that the PSM are authorized to start in the daemon */
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
173 CHECK_FCT_DO( fd_psm_waitstart(), goto psm_end );
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
174
14
14cf6daf716d Some progress on peers module
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parents: 13
diff changeset
175 /* Initialize the timer */
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
176 if (peer->p_flags.pf_responder) {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
177 psm_next_timeout(peer, 0, INCNX_TIMEOUT);
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
178 } else {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
179 psm_next_timeout(peer, created_started ? 0 : 1, 0);
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
180 }
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
181
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
182 psm_loop:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
183 /* Get next event */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
184 CHECK_FCT_DO( psm_ev_timedget(peer, &event, &ev_data), goto psm_end );
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
185 TRACE_DEBUG(FULL, "'%s'\t<-- '%s'\t(%p)\t'%s'",
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
186 STATE_STR(peer->p_hdr.info.pi_state),
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
187 fd_pev_str(event), ev_data,
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
188 peer->p_hdr.info.pi_diamid);
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
189
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
190 /* Now, the action depends on the current state and the incoming event */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
191
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
192 /* The following two states are impossible */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
193 ASSERT( peer->p_hdr.info.pi_state != STATE_NEW );
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
194 ASSERT( peer->p_hdr.info.pi_state != STATE_ZOMBIE );
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
195
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
196 /* Purge invalid events */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
197 if (!CHECK_EVENT(event)) {
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
198 TRACE_DEBUG(INFO, "Invalid event received in PSM '%s' : %d", peer->p_hdr.info.pi_diamid, event);
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
199 goto psm_loop;
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
200 }
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
201
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
202 /* Handle the (easy) debug event now */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
203 if (event == FDEVP_DUMP_ALL) {
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
204 fd_peer_dump(peer, ANNOYING);
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
205 goto psm_loop;
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
206 }
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
207
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
208 /* Requests to terminate the peer object */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
209 if (event == FDEVP_TERMINATE) {
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
210 switch (peer->p_hdr.info.pi_state) {
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
211 case STATE_CLOSING:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
212 case STATE_WAITCNXACK:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
213 case STATE_WAITCNXACK_ELEC:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
214 case STATE_WAITCEA:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
215 case STATE_SUSPECT:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
216 /* In these cases, we just cleanup the peer object and terminate now */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
217 TODO("Cleanup the PSM: terminate connection object, ...");
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
218 case STATE_CLOSED:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
219 /* Then we just terminate the PSM */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
220 goto psm_end;
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
221
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
222 case STATE_OPEN:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
223 case STATE_REOPEN:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
224 /* We cannot just close the conenction, we have to send a DPR first */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
225 TODO("Send DPR, mark the peer as CLOSING");
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
226 goto psm_loop;
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
227 }
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
228 }
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
229
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
230 /* MSG_RECEIVED: fd_p_expi_update(struct fd_peer * peer ) */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
231 /* If timeout or OPEN : call cb if defined */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
232
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
233 /* Default action : the handling has not yet been implemented. */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
234 TODO("Missing handler in PSM : '%s'\t<-- '%s'", STATE_STR(peer->p_hdr.info.pi_state), fd_pev_str(event));
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
235 if (event == FDEVP_PSM_TIMEOUT) {
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
236 /* We have not handled timeout in this state, let's postpone next alert */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
237 psm_next_timeout(peer, 0, 60);
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
238 }
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
239
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
240 goto psm_loop;
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
241
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
242 psm_end:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
243 pthread_cleanup_pop(1); /* set STATE_ZOMBIE */
22
0b3b46da2c12 Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 20
diff changeset
244 pthread_detach(peer->p_psm);
0b3b46da2c12 Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 20
diff changeset
245 peer->p_psm = (pthread_t)NULL;
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
246 return NULL;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
247 }
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
248
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
249
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
250
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
251
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
252 /* Create the PSM thread of one peer structure */
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
253 int fd_psm_begin(struct fd_peer * peer )
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
254 {
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
255 TRACE_ENTRY("%p", peer);
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
256
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
257 /* Check the peer and state are OK */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
258 CHECK_PARAMS( CHECK_PEER(peer) && (peer->p_hdr.info.pi_state == STATE_NEW) );
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
259
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
260 /* Create the PSM controler thread */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
261 CHECK_POSIX( pthread_create( &peer->p_psm, NULL, p_psm_th, peer ) );
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
262
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
263 /* We're done */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
264 return 0;
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
265 }
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
266
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
267 /* End the PSM (clean ending) */
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
268 int fd_psm_terminate(struct fd_peer * peer )
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
269 {
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
270 TRACE_ENTRY("%p", peer);
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
271 CHECK_PARAMS( CHECK_PEER(peer) );
22
0b3b46da2c12 Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 20
diff changeset
272
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
273 if (peer->p_hdr.info.pi_state != STATE_ZOMBIE) {
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
274 CHECK_FCT( fd_event_send(peer->p_events, FDEVP_TERMINATE, NULL) );
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
275 } else {
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
276 TRACE_DEBUG(FULL, "Peer '%s' was already terminated", peer->p_hdr.info.pi_diamid);
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
277 }
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
278 return 0;
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
279 }
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
280
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281 /* End the PSM violently */
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282 void fd_psm_abord(struct fd_peer * peer )
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283 {
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284 TRACE_ENTRY("%p", peer);
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285 TODO("Cancel PSM thread");
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286 TODO("Cancel IN thread");
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287 TODO("Cancel OUT thread");
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288 TODO("Cleanup the peer connection object");
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289 TODO("Cleanup the message queues (requeue)");
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290 return;
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291 }
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292
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293 /* Allow the state machines to start */
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294 int fd_psm_start()
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295 {
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296 TRACE_ENTRY("");
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297 CHECK_POSIX( pthread_mutex_lock(&started_mtx) );
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298 started = 1;
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299 CHECK_POSIX( pthread_cond_broadcast(&started_cnd) );
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300 CHECK_POSIX( pthread_mutex_unlock(&started_mtx) );
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301 return 0;
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302 }
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303
"Welcome to our mercurial repository"