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res_corosync: Recover if corosync gets restarted.

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If corosync gets restarted while Asterisk is running, automatically recover.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@363046 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2012-04-21 11:45:28 +00:00
parent 41826d203c
commit eb0a8df41c
1 changed files with 44 additions and 0 deletions
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44
res/res_corosync.c
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@@ -196,6 +196,8 @@ static void *dispatch_thread_handler(void *data)
while (!dispatch_thread.stop) {
int res;
cs_err = CS_OK;
pfd[0].revents = 0;
pfd[1].revents = 0;
pfd[2].revents = 0;
@@ -217,6 +219,48 @@ static void *dispatch_thread_handler(void *data)
ast_log(LOG_WARNING, "Failed CFG dispatch: %d\n", cs_err);
}
}
if (cs_err == CS_ERR_LIBRARY || cs_err == CS_ERR_BAD_HANDLE) {
struct cpg_name name;
/* If corosync gets restarted out from under Asterisk, try to recover. */
ast_log(LOG_NOTICE, "Attempting to recover from corosync failure.\n");
if ((cs_err = corosync_cfg_initialize(&cfg_handle, &cfg_callbacks)) != CS_OK) {
ast_log(LOG_ERROR, "Failed to initialize cfg (%d)\n", (int) cs_err);
sleep(5);
continue;
}
if ((cs_err = cpg_initialize(&cpg_handle, &cpg_callbacks) != CS_OK)) {
ast_log(LOG_ERROR, "Failed to initialize cpg (%d)\n", (int) cs_err);
sleep(5);
continue;
}
if ((cs_err = cpg_fd_get(cpg_handle, &pfd[0].fd)) != CS_OK) {
ast_log(LOG_ERROR, "Failed to get CPG fd.\n");
sleep(5);
continue;
}
if ((cs_err = corosync_cfg_fd_get(cfg_handle, &pfd[1].fd)) != CS_OK) {
ast_log(LOG_ERROR, "Failed to get CFG fd.\n");
sleep(5);
continue;
}
ast_copy_string(name.value, "asterisk", sizeof(name.value));
name.length = strlen(name.value);
if ((cs_err = cpg_join(cpg_handle, &name)) != CS_OK) {
ast_log(LOG_ERROR, "Failed to join cpg (%d)\n", (int) cs_err);
sleep(5);
continue;
}
ast_log(LOG_NOTICE, "Corosync recovery complete.\n");
}
}
return NULL;