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Optimization to manager events.

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When potentially sending manager events, return immediately if there are no
sessions or hooks. Also, avoid locking the hooks list if it is empty.

(issue #16455)
Reported by: atis
Patches: 
      manager_hooks_trunk.patch uploaded by atis (license 242)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@243986 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jeff Peeler
2010-01-28 22:37:15 +00:00
parent 397ec33284
commit 80d3e91714
1 changed files with 10 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
main/manager.c
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@@ -4286,6 +4286,10 @@ int __ast_manager_event_multichan(int category, const char *event, int chancount
struct ast_str *buf;
int i;
if (!sessions && AST_RWLIST_EMPTY(&manager_hooks)) {
return 0;
}
if (!(buf = ast_str_thread_get(&manager_event_buf, MANAGER_EVENT_BUF_INITSIZE))) {
return -1;
}
@@ -4343,11 +4347,13 @@ int __ast_manager_event_multichan(int category, const char *event, int chancount
ao2_iterator_destroy(&i);
}
AST_RWLIST_RDLOCK(&manager_hooks);
AST_RWLIST_TRAVERSE(&manager_hooks, hook, list) {
hook->helper(category, event, ast_str_buffer(buf));
if (!AST_RWLIST_EMPTY(&manager_hooks)) {
AST_RWLIST_RDLOCK(&manager_hooks);
AST_RWLIST_TRAVERSE(&manager_hooks, hook, list) {
hook->helper(category, event, ast_str_buffer(buf));
}
AST_RWLIST_UNLOCK(&manager_hooks);
}
AST_RWLIST_UNLOCK(&manager_hooks);
return 0;
}