Mercurial > hg > freeDiameter

annotate libfdcore/p_expiry.c @ 1235:f937feb72734 1.2.0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Updated copyright information
author Sebastien Decugis <sdecugis@freediameter.net>
date Sat, 14 Sep 2013 18:09:01 +0800
parents 6a1042d8075b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
1 /*********************************************************************************************************
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
2 * Software License Agreement (BSD License) *
740
4a9f08d6b6ba Updated my mail address
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 706
diff changeset
3 * Author: Sebastien Decugis <sdecugis@freediameter.net> *
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
4 * *
1235
f937feb72734 Updated copyright information
Sebastien Decugis <sdecugis@freediameter.net>
parents: 1190
diff changeset
5 * Copyright (c) 2013, WIDE Project and NICT *
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
6 * All rights reserved. *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
7 * *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
8 * Redistribution and use of this software in source and binary forms, with or without modification, are *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
9 * permitted provided that the following conditions are met: *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
10 * *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
11 * * Redistributions of source code must retain the above *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
12 * copyright notice, this list of conditions and the *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
13 * following disclaimer. *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
14 * *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
15 * * Redistributions in binary form must reproduce the above *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
16 * copyright notice, this list of conditions and the *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
17 * following disclaimer in the documentation and/or other *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
18 * materials provided with the distribution. *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
19 * *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
20 * * Neither the name of the WIDE Project or NICT nor the *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
21 * names of its contributors may be used to endorse or *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
22 * promote products derived from this software without *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
23 * specific prior written permission of WIDE Project and *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
24 * NICT. *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
25 * *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
34 *********************************************************************************************************/
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
35
658
f198d16fa7f4 Initial commit for 1.1.0:
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 648
diff changeset
36 #include "fdcore-internal.h"
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
37
36
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 25
diff changeset
38 /* Delay for garbage collection of expired peers, in seconds */
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 25
diff changeset
39 #define GC_TIME 120
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
40
686
f83d9878bf66 Fixed in case of termination of several modules (before initialization completed)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 662
diff changeset
41 static pthread_t exp_thr = (pthread_t)NULL;
f83d9878bf66 Fixed in case of termination of several modules (before initialization completed)
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 662
diff changeset
42 static pthread_t gc_thr = (pthread_t)NULL;
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
43 static struct fd_list exp_list = FD_LIST_INITIALIZER( exp_list );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
44 static pthread_cond_t exp_cnd = PTHREAD_COND_INITIALIZER;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
45 static pthread_mutex_t exp_mtx = PTHREAD_MUTEX_INITIALIZER;
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
46
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
47 static void * gc_th_fct(void * arg)
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
48 {
22
0b3b46da2c12 Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 16
diff changeset
49 fd_log_threadname ( "Peers/garb. col." );
0b3b46da2c12 Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 16
diff changeset
50 TRACE_ENTRY( "%p", arg );
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
51
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
52 do {
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
53 struct fd_list * li, purge = FD_LIST_INITIALIZER(purge);
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
54
22
0b3b46da2c12 Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 16
diff changeset
55 sleep(GC_TIME); /* sleep is a cancellation point */
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
56
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
57 /* Now check in the peers list if any peer can be deleted */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
58 CHECK_FCT_DO( pthread_rwlock_wrlock(&fd_g_peers_rw), goto error );
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
59
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
60 for (li = fd_g_peers.next; li != &fd_g_peers; li = li->next) {
706
4ffbc9f1e922 Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 691
diff changeset
61 struct fd_peer * peer = (struct fd_peer *)li->o;
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
62
706
4ffbc9f1e922 Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 691
diff changeset
63 if (fd_peer_getstate(peer) != STATE_ZOMBIE)
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
64 continue;
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
65
37
cc3c59fe98fe Lot of cleanups in peer structure management
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 36
diff changeset
66 if (peer->p_hdr.info.config.pic_flags.persist == PI_PRST_ALWAYS)
36
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 25
diff changeset
67 continue; /* This peer was not supposed to terminate, keep it in the list for debug */
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
68
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
69 /* Ok, the peer was expired, let's remove it */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
70 li = li->prev; /* to avoid breaking the loop */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
71 fd_list_unlink(&peer->p_hdr.chain);
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
72 fd_list_insert_before(&purge, &peer->p_hdr.chain);
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
73 }
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
74
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
75 CHECK_FCT_DO( pthread_rwlock_unlock(&fd_g_peers_rw), goto error );
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
76
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
77 /* Now delete peers that are in the purge list */
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
78 while (!FD_IS_LIST_EMPTY(&purge)) {
706
4ffbc9f1e922 Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 691
diff changeset
79 struct fd_peer * peer = (struct fd_peer *)(purge.next->o);
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
80 fd_list_unlink(&peer->p_hdr.chain);
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
81 TRACE_DEBUG(INFO, "Garbage Collect: delete zombie peer '%s'", peer->p_hdr.info.pi_diamid);
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
82 CHECK_FCT_DO( fd_peer_free(&peer), /* Continue... what else to do ? */ );
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
83 }
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
84 } while (1);
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
85
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
86 error:
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
87 TRACE_DEBUG(INFO, "An error occurred in peers module! GC thread is terminating...");
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
88 ASSERT(0);
1190
6a1042d8075b Replace FDEV_TERMINATE events with calls to fd_core_shutdown to handle the core state properly
Sebastien Decugis <sdecugis@freediameter.net>
parents: 740
diff changeset
89 CHECK_FCT_DO(fd_core_shutdown(), );
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
90 return NULL;
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
91 }
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
92
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
93
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
94 static void * exp_th_fct(void * arg)
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
95 {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
96 fd_log_threadname ( "Peers/expire" );
22
0b3b46da2c12 Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 16
diff changeset
97 TRACE_ENTRY( "%p", arg );
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
98
691
78b665400097 Cleanup all pthread_cleanup_push / pop pairs so that pop is always called after push, or ASSERT(0) is some grave errors
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 686
diff changeset
99 CHECK_POSIX_DO( pthread_mutex_lock(&exp_mtx), { ASSERT(0); } );
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
100 pthread_cleanup_push( fd_cleanup_mutex, &exp_mtx );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
101
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
102 do {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
103 struct timespec now;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
104 struct fd_peer * first;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
105
706
4ffbc9f1e922 Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 691
diff changeset
106 /* Check if there are expiring peers available */
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
107 if (FD_IS_LIST_EMPTY(&exp_list)) {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
108 /* Just wait for a change or cancelation */
691
78b665400097 Cleanup all pthread_cleanup_push / pop pairs so that pop is always called after push, or ASSERT(0) is some grave errors
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 686
diff changeset
109 CHECK_POSIX_DO( pthread_cond_wait( &exp_cnd, &exp_mtx ), { ASSERT(0); } );
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
110 /* Restart the loop on wakeup */
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
111 continue;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
112 }
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
113
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
114 /* Get the pointer to the peer that expires first */
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
115 first = (struct fd_peer *)(exp_list.next->o);
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
116 ASSERT( CHECK_PEER(first) );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
117
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
118 /* Get the current time */
691
78b665400097 Cleanup all pthread_cleanup_push / pop pairs so that pop is always called after push, or ASSERT(0) is some grave errors
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 686
diff changeset
119 CHECK_SYS_DO( clock_gettime(CLOCK_REALTIME, &now), { ASSERT(0); } );
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
120
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
121 /* If first peer is not expired, we just wait until it happens */
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
122 if ( TS_IS_INFERIOR( &now, &first->p_exp_timer ) ) {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
123
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
124 CHECK_POSIX_DO2( pthread_cond_timedwait( &exp_cnd, &exp_mtx, &first->p_exp_timer ),
22
0b3b46da2c12 Progress on server code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 16
diff changeset
125 ETIMEDOUT, /* ETIMEDOUT is a normal return value, continue */,
691
78b665400097 Cleanup all pthread_cleanup_push / pop pairs so that pop is always called after push, or ASSERT(0) is some grave errors
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 686
diff changeset
126 /* on other error, */ { ASSERT(0); } );
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
127
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
128 /* on wakeup, loop */
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
129 continue;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
130 }
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
131
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
132 /* Now, the first peer in the list is expired; signal it */
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
133 fd_list_unlink( &first->p_expiry );
691
78b665400097 Cleanup all pthread_cleanup_push / pop pairs so that pop is always called after push, or ASSERT(0) is some grave errors
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 686
diff changeset
134 CHECK_FCT_DO( fd_event_send(first->p_events, FDEVP_TERMINATE, 0, "DO_NOT_WANT_TO_TALK_TO_YOU"), break );
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
135
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
136 } while (1);
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
137
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
138 pthread_cleanup_pop( 1 );
691
78b665400097 Cleanup all pthread_cleanup_push / pop pairs so that pop is always called after push, or ASSERT(0) is some grave errors
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 686
diff changeset
139
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
140 TRACE_DEBUG(INFO, "An error occurred in peers module! Expiry thread is terminating...");
1190
6a1042d8075b Replace FDEV_TERMINATE events with calls to fd_core_shutdown to handle the core state properly
Sebastien Decugis <sdecugis@freediameter.net>
parents: 740
diff changeset
141 CHECK_FCT_DO(fd_core_shutdown(), );
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
142 return NULL;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
143 }
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
144
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
145 /* Initialize peers expiry mechanism */
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
146 int fd_p_expi_init(void)
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
147 {
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
148 TRACE_ENTRY();
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
149 CHECK_FCT( pthread_create( &exp_thr, NULL, exp_th_fct, NULL ) );
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
150 CHECK_FCT( pthread_create( &gc_thr, NULL, gc_th_fct, NULL ) );
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
151 return 0;
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
152 }
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
153
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
154 /* Finish peers expiry mechanism */
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
155 int fd_p_expi_fini(void)
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
156 {
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
157 CHECK_FCT_DO( fd_thr_term(&exp_thr), );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
158 CHECK_POSIX( pthread_mutex_lock(&exp_mtx) );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
159 while (!FD_IS_LIST_EMPTY(&exp_list)) {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
160 struct fd_peer * peer = (struct fd_peer *)(exp_list.next->o);
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
161 fd_list_unlink(&peer->p_expiry );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
162 }
37
cc3c59fe98fe Lot of cleanups in peer structure management
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 36
diff changeset
163 CHECK_POSIX( pthread_mutex_unlock(&exp_mtx) );
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
164
16
013ce9851131 Started including TLS code
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 14
diff changeset
165 CHECK_FCT_DO( fd_thr_term(&gc_thr), );
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
166 return 0;
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
167 }
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
168
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
169 /* Add / requeue a peer in the expiry list */
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
170 int fd_p_expi_update(struct fd_peer * peer )
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
171 {
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
172 TRACE_ENTRY("%p", peer);
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
173 CHECK_PARAMS( CHECK_PEER(peer) );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
174
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
175 CHECK_POSIX( pthread_mutex_lock(&exp_mtx) );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
176
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
177 fd_list_unlink(&peer->p_expiry );
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
178
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
179 /* if peer expires */
37
cc3c59fe98fe Lot of cleanups in peer structure management
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 36
diff changeset
180 if (peer->p_hdr.info.config.pic_flags.exp) {
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
181 struct fd_list * li;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
182
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
183 /* update the p_exp_timer value */
706
4ffbc9f1e922 Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 691
diff changeset
184 CHECK_SYS_DO( clock_gettime(CLOCK_REALTIME, &peer->p_exp_timer), { ASSERT(0); } );
37
cc3c59fe98fe Lot of cleanups in peer structure management
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 36
diff changeset
185 peer->p_exp_timer.tv_sec += peer->p_hdr.info.config.pic_lft;
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
186
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
187 /* add to the expiry list in appropriate position (probably around the end) */
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
188 for (li = exp_list.prev; li != &exp_list; li = li->prev) {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
189 struct fd_peer * p = (struct fd_peer *)(li->o);
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
190 if (TS_IS_INFERIOR( &p->p_exp_timer, &peer->p_exp_timer ) )
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
191 break;
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
192 }
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
193
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
194 fd_list_insert_after(li, &peer->p_expiry);
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
195
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
196 /* signal the expiry thread if we added in first position */
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
197 if (li == &exp_list) {
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
198 CHECK_POSIX( pthread_cond_signal(&exp_cnd) );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
199 }
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
200 }
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
201
14
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
202 CHECK_POSIX( pthread_mutex_unlock(&exp_mtx) );
14cf6daf716d Some progress on peers module
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 13
diff changeset
203 return 0;
13
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
204 }
ef9ef3bf4752 Progress on peer state machine
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
205
"Welcome to our mercurial repository"