Mercurial > hg > freeDiameter
annotate libfreeDiameter/sessions.c @ 235:8773740401a5
Centralized signal handlers management in the library
author | Sebastien Decugis <sdecugis@nict.go.jp> |
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date | Fri, 05 Mar 2010 19:01:48 +0900 |
parents | 536b1dde8761 |
children | 5df55136361b |
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 /* Sessions module. |
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37 * |
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38 * Basic functionalities to help implementing User sessions state machines from RFC3588. |
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39 */ |
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40 |
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41 #include "libfD.h" |
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42 |
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43 /*********************** Parameters **********************/ |
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44 |
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45 /* Size of the hash table containing the session objects (pow of 2. ex: 6 => 2^6 = 64). must be between 0 and 31. */ |
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46 #ifndef SESS_HASH_SIZE |
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47 #define SESS_HASH_SIZE 6 |
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48 #endif /* SESS_HASH_SIZE */ |
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49 |
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50 /* Default lifetime of a session, in seconds. (31 days = 2678400 seconds) */ |
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51 #ifndef SESS_DEFAULT_LIFETIME |
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52 #define SESS_DEFAULT_LIFETIME 2678400 |
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53 #endif /* SESS_DEFAULT_LIFETIME */ |
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54 |
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55 /********************** /Parameters **********************/ |
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56 |
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57 /* Eyescatchers definitions */ |
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58 #define SH_EYEC 0x53554AD1 |
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59 #define SD_EYEC 0x5355D474 |
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60 #define SI_EYEC 0x53551D |
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61 |
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62 /* Macro to check an object is valid */ |
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63 #define VALIDATE_SH( _obj ) ( ((_obj) != NULL) && ( ((struct session_handler *)(_obj))->eyec == SH_EYEC) ) |
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64 #define VALIDATE_SI( _obj ) ( ((_obj) != NULL) && ( ((struct session *)(_obj))->eyec == SI_EYEC) ) |
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65 |
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66 |
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67 /* Handlers registered by users of the session module */ |
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68 struct session_handler { |
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69 int eyec; /* An eye catcher also used to ensure the object is valid, must be SH_EYEC */ |
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70 int id; /* A unique integer to identify this handler */ |
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71 void (*cleanup)(char *, session_state *); /* The cleanup function to be called for cleaning a state */ |
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72 }; |
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73 |
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74 static int hdl_id = 0; /* A global counter to initialize the id field */ |
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75 static pthread_mutex_t hdl_lock = PTHREAD_MUTEX_INITIALIZER; /* lock to protect hdl_id; we could use atomic operations otherwise (less portable) */ |
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76 |
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77 |
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78 /* Data structures linked from the sessions, containing the applications states */ |
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79 struct state { |
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80 int eyec; /* Must be SD_EYEC */ |
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81 session_state *state; /* The state registered by the application, never NULL (or the whole object is deleted) */ |
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82 struct fd_list chain; /* Chaining in the list of session's states ordered by hdl->id */ |
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83 union { |
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84 struct session_handler *hdl; /* The handler for which this state was registered */ |
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85 char *sid; /* For deleted state, the sid of the session it belong to */ |
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86 }; |
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87 }; |
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88 |
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89 /* Session object, one for each value of Session-Id AVP */ |
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90 struct session { |
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91 int eyec; /* Eyecatcher, SI_EYEC */ |
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92 |
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93 char * sid; /* The \0-terminated Session-Id */ |
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94 uint32_t hash; /* computed hash of sid */ |
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95 struct fd_list chain_h;/* chaining in the hash table of sessions. */ |
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96 |
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97 struct timespec timeout;/* Timeout date for the session */ |
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98 struct fd_list expire; /* List of expiring sessions, ordered by timeouts. */ |
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99 |
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100 pthread_mutex_t stlock; /* A lock to protect the list of states associated with this session */ |
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101 struct fd_list states; /* Sentinel for the list of states of this session. */ |
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102 int msg_cnt;/* Reference counter for the messages pointing to this session */ |
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103 }; |
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104 |
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105 /* Sessions hash table, to allow fast sid to session retrieval */ |
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106 static struct { |
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107 struct fd_list sentinel; /* sentinel element for this sublist */ |
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108 pthread_mutex_t lock; /* the mutex for this sublist -- we might probably change it to rwlock for a little optimization */ |
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109 } sess_hash [ 1 << SESS_HASH_SIZE ] ; |
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110 #define H_MASK( __hash ) ((__hash) & (( 1 << SESS_HASH_SIZE ) - 1)) |
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111 #define H_LIST( _hash ) (&(sess_hash[H_MASK(_hash)].sentinel)) |
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112 #define H_LOCK( _hash ) (&(sess_hash[H_MASK(_hash)].lock )) |
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113 |
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114 /* The following are used to generate sid values that are eternaly unique */ |
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115 static uint32_t sid_h; /* initialized to the current time in fd_sess_init */ |
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116 static uint32_t sid_l; /* incremented each time a session id is created */ |
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117 static pthread_mutex_t sid_lock = PTHREAD_MUTEX_INITIALIZER; |
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118 |
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119 /* Expiring sessions management */ |
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120 static struct fd_list exp_sentinel = FD_LIST_INITIALIZER(exp_sentinel); /* list of sessions ordered by their timeout date */ |
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121 static pthread_mutex_t exp_lock = PTHREAD_MUTEX_INITIALIZER; /* lock protecting the list. */ |
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122 static pthread_cond_t exp_cond = PTHREAD_COND_INITIALIZER; /* condvar used by the expiry mecahinsm. */ |
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123 static pthread_t exp_thr; /* The expiry thread that handles cleanup of expired sessions */ |
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124 |
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125 /* Hierarchy of the locks, to avoid deadlocks: |
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126 * hash lock > state lock > expiry lock |
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127 * i.e. state lock can be taken while holding the hash lock, but not while holding the expiry lock. |
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128 * As well, the hash lock cannot be taken while holding a state lock. |
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129 */ |
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130 |
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131 /********************************************************************************************************/ |
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132 |
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133 /* Initialize a session object. It is not linked now. sid must be already malloc'ed. */ |
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134 static struct session * new_session(char * sid, size_t sidlen) |
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135 { |
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136 struct session * sess; |
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137 |
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138 TRACE_ENTRY("%p %d", sid, sidlen); |
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139 CHECK_PARAMS_DO( sid && sidlen, return NULL ); |
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140 |
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141 CHECK_MALLOC_DO( sess = malloc(sizeof(struct session)), return NULL ); |
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142 memset(sess, 0, sizeof(struct session)); |
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143 |
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144 sess->eyec = SI_EYEC; |
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145 |
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146 sess->sid = sid; |
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147 sess->hash = fd_hash(sid, sidlen); |
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148 fd_list_init(&sess->chain_h, sess); |
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149 |
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150 CHECK_SYS_DO( clock_gettime(CLOCK_REALTIME, &sess->timeout), return NULL ); |
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151 sess->timeout.tv_sec += SESS_DEFAULT_LIFETIME; |
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152 fd_list_init(&sess->expire, sess); |
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153 |
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154 CHECK_POSIX_DO( pthread_mutex_init(&sess->stlock, NULL), return NULL ); |
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155 fd_list_init(&sess->states, sess); |
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156 |
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157 return sess; |
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158 } |
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159 |
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160 /* The expiry thread */ |
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161 static void * exp_fct(void * arg) |
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162 { |
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163 fd_log_threadname ( "Session/expire" ); |
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164 TRACE_ENTRY( "" ); |
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165 |
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166 |
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167 do { |
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168 struct timespec now; |
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169 struct session * first; |
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170 |
203
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171 CHECK_POSIX_DO( pthread_mutex_lock(&exp_lock), break ); |
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172 pthread_cleanup_push( fd_cleanup_mutex, &exp_lock ); |
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173 again: |
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174 /* Check if there are expiring sessions available */ |
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175 if (FD_IS_LIST_EMPTY(&exp_sentinel)) { |
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176 /* Just wait for a change or cancelation */ |
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177 CHECK_POSIX_DO( pthread_cond_wait( &exp_cond, &exp_lock ), break ); |
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178 /* Restart the loop on wakeup */ |
203
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179 goto again; |
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180 } |
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181 |
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182 /* Get the pointer to the session that expires first */ |
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183 first = (struct session *)(exp_sentinel.next->o); |
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184 ASSERT( VALIDATE_SI(first) ); |
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185 |
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186 /* Get the current time */ |
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187 CHECK_SYS_DO( clock_gettime(CLOCK_REALTIME, &now), break ); |
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188 |
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189 /* If first session is not expired, we just wait until it happens */ |
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190 if ( TS_IS_INFERIOR( &now, &first->timeout ) ) { |
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191 |
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192 CHECK_POSIX_DO2( pthread_cond_timedwait( &exp_cond, &exp_lock, &first->timeout ), |
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193 ETIMEDOUT, /* ETIMEDOUT is a normal error, continue */, |
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194 /* on other error, */ break ); |
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195 |
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196 /* on wakeup, loop */ |
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197 goto again; |
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198 } |
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199 |
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200 /* Now, the first session in the list is expired; destroy it */ |
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201 pthread_cleanup_pop( 0 ); |
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202 CHECK_POSIX_DO( pthread_mutex_unlock(&exp_lock), break ); |
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203 |
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204 CHECK_FCT_DO( fd_sess_destroy( &first ), break ); |
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205 |
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206 } while (1); |
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207 |
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208 TRACE_DEBUG(INFO, "An error occurred in session module! Expiry thread is terminating..."); |
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209 ASSERT(0); |
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210 return NULL; |
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211 } |
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212 |
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213 |
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214 |
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215 /********************************************************************************************************/ |
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216 |
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217 /* Initialize the session module */ |
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218 int fd_sess_init(void) |
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219 { |
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220 int i; |
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221 |
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222 TRACE_ENTRY( "" ); |
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223 |
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224 /* Initialize the global counters */ |
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225 sid_h = (uint32_t) time(NULL); |
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226 sid_l = 0; |
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227 |
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228 /* Initialize the hash table */ |
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229 for (i = 0; i < sizeof(sess_hash) / sizeof(sess_hash[0]); i++) { |
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230 fd_list_init( &sess_hash[i].sentinel, NULL ); |
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231 CHECK_POSIX( pthread_mutex_init(&sess_hash[i].lock, NULL) ); |
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232 } |
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233 |
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234 /* Start session garbage collector (expiry) */ |
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235 CHECK_POSIX( pthread_create(&exp_thr, NULL, exp_fct, NULL) ); |
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236 |
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237 return 0; |
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238 } |
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239 |
235
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240 /* Terminate */ |
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241 void fd_sess_fini(void) |
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242 { |
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243 TRACE_ENTRY(""); |
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244 CHECK_FCT_DO( fd_thr_term(&exp_thr), /* continue */ ); |
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245 return; |
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246 } |
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247 |
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248 /* Create a new handler */ |
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249 int fd_sess_handler_create_internal ( struct session_handler ** handler, void (*cleanup)(char * sid, session_state * state) ) |
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250 { |
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251 struct session_handler *new; |
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252 |
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253 TRACE_ENTRY("%p %p", handler, cleanup); |
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254 |
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255 CHECK_PARAMS( handler && cleanup ); |
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256 |
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257 CHECK_MALLOC( new = malloc(sizeof(struct session_handler)) ); |
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258 memset(new, 0, sizeof(struct session_handler)); |
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259 |
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260 CHECK_POSIX( pthread_mutex_lock(&hdl_lock) ); |
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261 new->id = ++hdl_id; |
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262 CHECK_POSIX( pthread_mutex_unlock(&hdl_lock) ); |
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263 |
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264 new->eyec = SH_EYEC; |
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265 new->cleanup = cleanup; |
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266 |
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267 *handler = new; |
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268 return 0; |
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269 } |
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270 |
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271 /* Destroy a handler, and all states attached to this handler. This operation is very slow but we don't care since it's rarely used. |
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272 * Note that it's better to call this function after all sessions have been deleted... */ |
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273 int fd_sess_handler_destroy ( struct session_handler ** handler ) |
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274 { |
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275 struct session_handler * del; |
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276 /* place to save the list of states to be cleaned up. We do it after finding them to avoid deadlocks. the "o" field becomes a copy of the sid. */ |
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277 struct fd_list deleted_states = FD_LIST_INITIALIZER( deleted_states ); |
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278 int i; |
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279 |
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280 TRACE_ENTRY("%p", handler); |
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281 CHECK_PARAMS( handler && VALIDATE_SH(*handler) ); |
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282 |
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283 del = *handler; |
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284 *handler = NULL; |
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285 |
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286 del->eyec = 0xdead; /* The handler is not valid anymore for any other operation */ |
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287 |
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288 /* Now find all sessions with data registered for this handler, and move this data to the deleted_states list. */ |
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289 for (i = 0; i < sizeof(sess_hash) / sizeof(sess_hash[0]); i++) { |
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290 struct fd_list * li_si; |
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291 CHECK_POSIX( pthread_mutex_lock(&sess_hash[i].lock) ); |
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292 |
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293 for (li_si = sess_hash[i].sentinel.next; li_si != &sess_hash[i].sentinel; li_si = li_si->next) { |
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294 struct fd_list * li_st; |
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295 struct session * sess = (struct session *)(li_si->o); |
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296 CHECK_POSIX( pthread_mutex_lock(&sess->stlock) ); |
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297 for (li_st = sess->states.next; li_st != &sess->states; li_st = li_st->next) { |
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298 struct state * st = (struct state *)(li_st->o); |
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299 char * sid_cpy; |
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300 /* The list is ordered */ |
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301 if (st->hdl->id < del->id) |
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302 continue; |
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303 if (st->hdl->id == del->id) { |
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304 /* This state belongs to the handler we are deleting, move the item to the deleted_states list */ |
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305 fd_list_unlink(&st->chain); |
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306 CHECK_MALLOC( st->sid = strdup(sess->sid) ); |
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307 fd_list_insert_before(&deleted_states, &st->chain); |
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308 } |
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309 break; |
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310 } |
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311 CHECK_POSIX( pthread_mutex_unlock(&sess->stlock) ); |
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312 } |
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313 CHECK_POSIX( pthread_mutex_unlock(&sess_hash[i].lock) ); |
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314 } |
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315 |
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316 /* Now, delete all states after calling their cleanup handler */ |
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317 while (!FD_IS_LIST_EMPTY(&deleted_states)) { |
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318 struct state * st = (struct state *)(deleted_states.next->o); |
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319 TRACE_DEBUG(FULL, "Calling cleanup handler for session '%s' and data %p", st->sid, st->state); |
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320 (*del->cleanup)(st->sid, st->state); |
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321 free(st->sid); |
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322 fd_list_unlink(&st->chain); |
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323 free(st); |
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324 } |
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325 |
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326 return 0; |
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327 } |
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328 |
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329 |
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330 |
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331 /* Create a new session object with the default timeout value, and link it */ |
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332 int fd_sess_new ( struct session ** session, char * diamId, char * opt, size_t optlen ) |
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333 { |
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334 char * sid = NULL; |
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335 size_t sidlen; |
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336 uint32_t hash; |
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337 struct session * sess; |
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338 struct fd_list * li; |
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339 int found = 0; |
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340 |
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341 TRACE_ENTRY("%p %p %p %d", session, diamId, opt, optlen); |
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342 CHECK_PARAMS( session && (diamId || opt) ); |
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343 |
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344 /* Ok, first create the identifier for the string */ |
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345 if (diamId == NULL) { |
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346 /* opt is the full string */ |
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347 if (optlen) { |
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348 CHECK_MALLOC( sid = malloc(optlen + 1) ); |
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349 strncpy(sid, opt, optlen); |
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350 sid[optlen] = '\0'; |
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351 sidlen = optlen; |
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352 } else { |
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353 CHECK_MALLOC( sid = strdup(opt) ); |
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354 sidlen = strlen(sid); |
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355 } |
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356 } else { |
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357 uint32_t sid_h_cpy; |
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358 uint32_t sid_l_cpy; |
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359 /* "<diamId>;<high32>;<low32>[;opt]" */ |
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360 sidlen = strlen(diamId); |
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361 sidlen += 22; /* max size of ';<high32>;<low32>' */ |
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362 if (opt) |
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363 sidlen += 1 + (optlen ?: strlen(opt)) ; |
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364 sidlen++; /* space for the final \0 also */ |
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365 CHECK_MALLOC( sid = malloc(sidlen) ); |
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366 |
3
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367 CHECK_POSIX( pthread_mutex_lock(&sid_lock) ); |
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368 if ( ++sid_l == 0 ) /* overflow */ |
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369 ++sid_h; |
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370 sid_h_cpy = sid_h; |
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371 sid_l_cpy = sid_l; |
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372 CHECK_POSIX( pthread_mutex_unlock(&sid_lock) ); |
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373 |
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374 if (opt) { |
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375 if (optlen) |
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376 sidlen = snprintf(sid, sidlen, "%s;%u;%u;%.*s", diamId, sid_h_cpy, sid_l_cpy, (int)optlen, opt); |
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377 else |
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378 sidlen = snprintf(sid, sidlen, "%s;%u;%u;%s", diamId, sid_h_cpy, sid_l_cpy, opt); |
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379 } else { |
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380 sidlen = snprintf(sid, sidlen, "%s;%u;%u", diamId, sid_h_cpy, sid_l_cpy); |
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381 } |
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382 } |
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383 |
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384 /* Initialize the session object now, to spend less time inside locked section later. |
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385 * Cons: we malloc then free if there is already a session with same SID; we could malloc later to avoid this. */ |
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386 CHECK_MALLOC( sess = new_session(sid, sidlen) ); |
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387 |
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388 /* Now find the place to add this object in the hash table. */ |
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389 CHECK_POSIX( pthread_mutex_lock( H_LOCK(sess->hash) ) ); |
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390 pthread_cleanup_push( fd_cleanup_mutex, H_LOCK(sess->hash) ); |
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391 |
3
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392 for (li = H_LIST(sess->hash)->next; li != H_LIST(sess->hash); li = li->next) { |
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393 int cmp; |
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394 struct session * s = (struct session *)(li->o); |
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395 |
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396 /* The list is ordered by hash and sid (in case of collisions) */ |
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397 if (s->hash < sess->hash) |
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398 continue; |
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399 if (s->hash > sess->hash) |
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400 break; |
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401 |
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402 cmp = strcasecmp(s->sid, sess->sid); |
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403 if (cmp < 0) |
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404 continue; |
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405 if (cmp > 0) |
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406 break; |
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407 |
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408 /* A session with the same sid was already in the hash table */ |
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409 found = 1; |
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410 *session = s; |
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411 break; |
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|
412 } |
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413 |
5
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414 /* If the session did not exist, we can link it in global tables */ |
3
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415 if (!found) { |
5
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416 fd_list_insert_before(li, &sess->chain_h); /* hash table */ |
3
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417 |
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418 /* We must also insert in the expiry list */ |
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419 CHECK_POSIX( pthread_mutex_lock( &exp_lock ) ); |
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420 pthread_cleanup_push( fd_cleanup_mutex, &exp_lock ); |
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421 |
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422 /* Find the position in that list. We take it in reverse order */ |
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423 for (li = exp_sentinel.prev; li != &exp_sentinel; li = li->prev) { |
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424 struct session * s = (struct session *)(li->o); |
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425 if (TS_IS_INFERIOR( &s->timeout, &sess->timeout ) ) |
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426 break; |
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427 } |
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428 fd_list_insert_after( li, &sess->expire ); |
5
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4
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|
429 |
14
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7
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|
430 /* We added a new expiring element, we must signal */ |
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7
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431 if (li == &exp_sentinel) { |
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432 CHECK_POSIX( pthread_cond_signal(&exp_cond) ); |
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433 } |
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434 |
5
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435 #if 0 |
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436 if (TRACE_BOOL(ANNOYING)) { |
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437 TRACE_DEBUG(FULL, "-- Updated session expiry list --"); |
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438 for (li = exp_sentinel.next; li != &exp_sentinel; li = li->next) { |
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439 struct session * s = (struct session *)(li->o); |
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440 fd_sess_dump(FULL, s); |
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441 } |
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442 TRACE_DEBUG(FULL, "-- end of expiry list --"); |
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443 } |
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444 #endif |
3
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445 |
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446 /* We're done */ |
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447 pthread_cleanup_pop(0); |
3
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448 CHECK_POSIX( pthread_mutex_unlock( &exp_lock ) ); |
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449 } |
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450 |
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451 pthread_cleanup_pop(0); |
3
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452 CHECK_POSIX( pthread_mutex_unlock( H_LOCK(sess->hash) ) ); |
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453 |
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454 /* If a session already existed, we must destroy the new element */ |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
455 if (found) { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
456 CHECK_FCT( fd_sess_destroy( &sess ) ); /* we could avoid locking this time for optimization */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
457 return EALREADY; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
458 } |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
459 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
460 *session = sess; |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
461 return 0; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
462 } |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
463 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
464 /* Find or create a session */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
465 int fd_sess_fromsid ( char * sid, size_t len, struct session ** session, int * new) |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
466 { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
467 int ret; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
468 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
469 TRACE_ENTRY("%p %d %p %p", sid, len, session, new); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
470 CHECK_PARAMS( sid && session ); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
471 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
472 /* All the work is done in sess_new */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
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|
473 ret = fd_sess_new ( session, NULL, sid, len ); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
474 switch (ret) { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
475 case 0: |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
476 case EALREADY: |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
477 break; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
478 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
479 default: |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
480 CHECK_FCT(ret); |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
481 } |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
482 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
483 if (new) |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
484 *new = ret ? 0 : 1; |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
485 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
486 return 0; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
487 } |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
488 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
489 /* Get the sid of a session */ |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
490 int fd_sess_getsid ( struct session * session, char ** sid ) |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
491 { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
492 TRACE_ENTRY("%p %p", session, sid); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
493 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
494 CHECK_PARAMS( VALIDATE_SI(session) && sid ); |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
495 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
496 *sid = session->sid; |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
497 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
498 return 0; |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
499 } |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
500 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
501 /* Change the timeout value of a session */ |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
502 int fd_sess_settimeout( struct session * session, const struct timespec * timeout ) |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
503 { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
504 struct fd_list * li; |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
505 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
506 TRACE_ENTRY("%p %p", session, timeout); |
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Progress; added session module; testsess to be completed
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parents:
diff
changeset
|
507 CHECK_PARAMS( VALIDATE_SI(session) && timeout ); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
508 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
509 /* Lock -- do we need to lock the hash table as well? I don't think so... */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
510 CHECK_POSIX( pthread_mutex_lock( &exp_lock ) ); |
203
536b1dde8761
Some cleanups in the cnxctx module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
136
diff
changeset
|
511 pthread_cleanup_push( fd_cleanup_mutex, &exp_lock ); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
512 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
513 /* Update the timeout */ |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
514 fd_list_unlink(&session->expire); |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
515 memcpy(&session->timeout, timeout, sizeof(struct timespec)); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
516 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
517 /* Find the new position in expire list. We take it in normal order */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
518 for (li = exp_sentinel.next; li != &exp_sentinel; li = li->next) { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
519 struct session * s = (struct session *)(li->o); |
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
520 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
521 if (TS_IS_INFERIOR( &s->timeout, &session->timeout ) ) |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
522 continue; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
523 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
524 break; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
525 } |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
526 fd_list_insert_before( li, &session->expire ); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
527 |
14
14cf6daf716d
Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
528 /* We added a new expiring element, we must signal if it was in first position */ |
14cf6daf716d
Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
529 if (session->expire.prev == &exp_sentinel) { |
14cf6daf716d
Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
530 CHECK_POSIX( pthread_cond_signal(&exp_cond) ); |
14cf6daf716d
Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
531 } |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
532 |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
533 #if 0 |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
534 if (TRACE_BOOL(ANNOYING)) { |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
535 TRACE_DEBUG(FULL, "-- Updated session expiry list --"); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
536 for (li = exp_sentinel.next; li != &exp_sentinel; li = li->next) { |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
537 struct session * s = (struct session *)(li->o); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
538 fd_sess_dump(FULL, s); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
539 } |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
540 TRACE_DEBUG(FULL, "-- end of expiry list --"); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
541 } |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
542 #endif |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
543 |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
544 /* We're done */ |
203
536b1dde8761
Some cleanups in the cnxctx module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
136
diff
changeset
|
545 pthread_cleanup_pop(0); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
546 CHECK_POSIX( pthread_mutex_unlock( &exp_lock ) ); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
547 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
548 return 0; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
549 } |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
550 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
551 /* Destroy a session immediatly */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
552 int fd_sess_destroy ( struct session ** session ) |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
553 { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
554 struct session * sess; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
555 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
556 TRACE_ENTRY("%p", session); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
557 CHECK_PARAMS( session && VALIDATE_SI(*session) ); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
558 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
559 sess = *session; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
560 *session = NULL; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
561 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
562 /* Unlink and invalidate */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
563 CHECK_FCT( pthread_mutex_lock( H_LOCK(sess->hash) ) ); |
203
536b1dde8761
Some cleanups in the cnxctx module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
136
diff
changeset
|
564 pthread_cleanup_push( fd_cleanup_mutex, H_LOCK(sess->hash) ); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
565 CHECK_FCT( pthread_mutex_lock( &exp_lock ) ); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
566 fd_list_unlink( &sess->chain_h ); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
567 fd_list_unlink( &sess->expire ); /* no need to signal the condition here */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
568 sess->eyec = 0xdead; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
569 CHECK_FCT( pthread_mutex_unlock( &exp_lock ) ); |
203
536b1dde8761
Some cleanups in the cnxctx module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
136
diff
changeset
|
570 pthread_cleanup_pop(0); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
571 CHECK_FCT( pthread_mutex_unlock( H_LOCK(sess->hash) ) ); |
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Progress; added session module; testsess to be completed
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572 |
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573 /* Now destroy all states associated -- we don't take the lock since nobody can access this session anymore (in theory) */ |
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574 while (!FD_IS_LIST_EMPTY(&sess->states)) { |
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575 struct state * st = (struct state *)(sess->states.next->o); |
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576 fd_list_unlink(&st->chain); |
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577 TRACE_DEBUG(FULL, "Calling handler %p cleanup for state registered with session '%s'", st->hdl, sess->sid); |
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578 (*st->hdl->cleanup)(sess->sid, st->state); |
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|
579 free(st); |
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580 } |
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parents:
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|
581 |
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|
582 /* Finally, destroy the session itself */ |
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583 free(sess->sid); |
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584 free(sess); |
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|
585 |
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|
586 return 0; |
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587 } |
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|
588 |
6
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5
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589 /* Destroy a session if it is not used */ |
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590 int fd_sess_reclaim ( struct session ** session ) |
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591 { |
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|
592 struct session * sess; |
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|
593 |
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5
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|
594 TRACE_ENTRY("%p", session); |
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595 CHECK_PARAMS( session && VALIDATE_SI(*session) ); |
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596 |
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597 sess = *session; |
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598 *session = NULL; |
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599 |
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600 CHECK_FCT( pthread_mutex_lock( H_LOCK(sess->hash) ) ); |
203
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601 pthread_cleanup_push( fd_cleanup_mutex, H_LOCK(sess->hash) ); |
6
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602 CHECK_FCT( pthread_mutex_lock( &exp_lock ) ); |
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Progress on dispatch API spec; added fd_sess_reclaim function and test
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5
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|
603 if (FD_IS_LIST_EMPTY(&sess->states)) { |
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604 fd_list_unlink( &sess->chain_h ); |
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5
diff
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|
605 fd_list_unlink( &sess->expire ); |
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606 sess->eyec = 0xdead; |
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|
607 free(sess->sid); |
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608 free(sess); |
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609 } |
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610 CHECK_FCT( pthread_mutex_unlock( &exp_lock ) ); |
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611 pthread_cleanup_pop(0); |
6
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612 CHECK_FCT( pthread_mutex_unlock( H_LOCK(sess->hash) ) ); |
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diff
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613 |
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614 return 0; |
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615 } |
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|
616 |
3
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617 /* Save a state information with a session */ |
6
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618 int fd_sess_state_store_internal ( struct session_handler * handler, struct session * session, session_state ** state ) |
3
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619 { |
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620 struct state *new; |
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621 struct fd_list * li; |
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622 int already = 0; |
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623 |
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624 TRACE_ENTRY("%p %p %p", handler, session, state); |
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625 CHECK_PARAMS( handler && VALIDATE_SH(handler) && session && VALIDATE_SI(session) && state ); |
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626 |
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627 /* Lock the session state list */ |
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628 CHECK_POSIX( pthread_mutex_lock(&session->stlock) ); |
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629 pthread_cleanup_push( fd_cleanup_mutex, &session->stlock ); |
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630 |
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631 /* Create the new state object */ |
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632 CHECK_MALLOC(new = malloc(sizeof(struct state)) ); |
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633 memset(new, 0, sizeof(struct state)); |
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634 |
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635 new->eyec = SD_EYEC; |
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636 new->state= *state; |
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637 fd_list_init(&new->chain, new); |
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638 new->hdl = handler; |
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|
639 |
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|
640 /* find place for this state in the list */ |
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641 for (li = session->states.next; li != &session->states; li = li->next) { |
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parents:
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642 struct state * st = (struct state *)(li->o); |
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643 /* The list is ordered by handler's id */ |
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644 if (st->hdl->id < handler->id) |
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|
645 continue; |
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parents:
diff
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|
646 |
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647 if (st->hdl->id == handler->id) { |
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648 TRACE_DEBUG(INFO, "A state was already stored for session '%s' and handler '%p', at location %p", session->sid, st->hdl, st->state); |
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|
649 already = 1; |
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|
650 } |
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parents:
diff
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|
651 |
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parents:
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652 break; |
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parents:
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|
653 } |
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parents:
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|
654 |
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655 if (!already) { |
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656 fd_list_insert_before(li, &new->chain); |
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657 *state = NULL; |
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658 } else { |
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659 free(new); |
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660 } |
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661 |
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662 pthread_cleanup_pop(0); |
3
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663 CHECK_POSIX( pthread_mutex_unlock(&session->stlock) ); |
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664 |
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665 return already ? EALREADY : 0; |
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666 } |
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667 |
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|
668 /* Get the data back */ |
6
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669 int fd_sess_state_retrieve_internal ( struct session_handler * handler, struct session * session, session_state ** state ) |
3
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670 { |
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671 struct fd_list * li; |
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672 struct state * st = NULL; |
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673 |
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674 TRACE_ENTRY("%p %p %p", handler, session, state); |
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675 CHECK_PARAMS( handler && VALIDATE_SH(handler) && session && VALIDATE_SI(session) && state ); |
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676 |
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677 *state = NULL; |
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678 |
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|
679 /* Lock the session state list */ |
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680 CHECK_POSIX( pthread_mutex_lock(&session->stlock) ); |
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681 pthread_cleanup_push( fd_cleanup_mutex, &session->stlock ); |
3
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682 |
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|
683 /* find the state in the list */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
684 for (li = session->states.next; li != &session->states; li = li->next) { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
685 st = (struct state *)(li->o); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
686 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
687 /* The list is ordered by handler's id */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
688 if (st->hdl->id > handler->id) |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
689 break; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
690 } |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
691 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
692 /* If we found the state */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
693 if (st && (st->hdl == handler)) { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
694 fd_list_unlink(&st->chain); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
695 *state = st->state; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
696 free(st); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
697 } |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
698 |
203
536b1dde8761
Some cleanups in the cnxctx module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
136
diff
changeset
|
699 pthread_cleanup_pop(0); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
700 CHECK_POSIX( pthread_mutex_unlock(&session->stlock) ); |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
701 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
702 return 0; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
703 } |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
704 |
85
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
705 /* For the messages module */ |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
706 int fd_sess_fromsid_msg ( unsigned char * sid, size_t len, struct session ** session, int * new) |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
707 { |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
708 TRACE_ENTRY("%p %zd %p %p", sid, len, session, new); |
102
69e2b33ee817
Removed stupid check
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
709 CHECK_PARAMS( sid && len && session ); |
85
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
710 |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
711 /* Get the session object */ |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
712 CHECK_FCT( fd_sess_fromsid ( (char *) sid, len, session, new) ); |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
713 |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
714 /* Update the msg refcount */ |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
715 CHECK_POSIX( pthread_mutex_lock(&(*session)->stlock) ); |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
716 (*session)->msg_cnt++; |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
717 CHECK_POSIX( pthread_mutex_unlock(&(*session)->stlock) ); |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
718 |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
719 /* Done */ |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
720 return 0; |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
721 } |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
722 |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
723 int fd_sess_reclaim_msg ( struct session ** session ) |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
724 { |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
725 int reclaim; |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
726 |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
727 TRACE_ENTRY("%p", session); |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
728 CHECK_PARAMS( session && VALIDATE_SI(*session) ); |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
729 |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
730 /* Update the msg refcount */ |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
731 CHECK_POSIX( pthread_mutex_lock(&(*session)->stlock) ); |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
732 reclaim = (*session)->msg_cnt; |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
733 (*session)->msg_cnt = reclaim - 1; |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
734 CHECK_POSIX( pthread_mutex_unlock(&(*session)->stlock) ); |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
735 |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
736 if (reclaim == 1) { |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
737 CHECK_FCT(fd_sess_reclaim ( session )); |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
738 } else { |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
739 *session = NULL; |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
740 } |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
741 return 0; |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
742 } |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
743 |
e5fcd672caff
Added new function to retrieve messages sessions easily
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
744 |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
745 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
746 /* Dump functions */ |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
747 void fd_sess_dump(int level, struct session * session) |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
748 { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
749 struct fd_list * li; |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
750 char buf[30]; |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
751 struct tm tm; |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
752 |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
753 if (!TRACE_BOOL(level)) |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
754 return; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
755 |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
756 fd_log_debug("\t %*s -- Session @%p --\n", level, "", session); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
757 if (!VALIDATE_SI(session)) { |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
758 fd_log_debug("\t %*s Invalid session object\n", level, ""); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
759 } else { |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
760 |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
761 fd_log_debug("\t %*s sid '%s', hash %x\n", level, "", session->sid, session->hash); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
762 |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
763 strftime(buf, sizeof(buf), "%D,%T", localtime_r( &session->timeout.tv_sec , &tm )); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
764 fd_log_debug("\t %*s timeout %s.%09ld\n", level, "", buf, session->timeout.tv_nsec); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
765 |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
766 CHECK_POSIX_DO( pthread_mutex_lock(&session->stlock), /* ignore */ ); |
203
536b1dde8761
Some cleanups in the cnxctx module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
136
diff
changeset
|
767 pthread_cleanup_push( fd_cleanup_mutex, &session->stlock ); |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
768 for (li = session->states.next; li != &session->states; li = li->next) { |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
769 struct state * st = (struct state *)(li->o); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
770 fd_log_debug("\t %*s handler %d registered data %p\n", level, "", st->hdl->id, st->state); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
771 } |
203
536b1dde8761
Some cleanups in the cnxctx module
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
136
diff
changeset
|
772 pthread_cleanup_pop(0); |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
773 CHECK_POSIX_DO( pthread_mutex_unlock(&session->stlock), /* ignore */ ); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
774 } |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
775 fd_log_debug("\t %*s -- end of session @%p --\n", level, "", session); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
776 } |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
777 |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
778 void fd_sess_dump_hdl(int level, struct session_handler * handler) |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
779 { |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
780 if (!TRACE_BOOL(level)) |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
781 return; |
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
782 |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
783 fd_log_debug("\t %*s -- Handler @%p --\n", level, "", handler); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
784 if (!VALIDATE_SH(handler)) { |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
785 fd_log_debug("\t %*s Invalid session handler object\n", level, ""); |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
786 } else { |
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
787 fd_log_debug("\t %*s id %d, cleanup %p\n", level, "", handler->id, handler->cleanup); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
788 } |
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
789 fd_log_debug("\t %*s -- end of handler @%p --\n", level, "", handler); |
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff
changeset
|
790 } |