kenmirrors/asterisk
1
0
Fork 0
mirror of https://github.com/asterisk/asterisk.git synced 2025-11-17 07:18:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

normalize the code to navigate through extensions and priorities

Browse Source 
(use the walk_*() routines so we don't use the link fields
directly, and slightly restructure the blocks to reduce
the nesting depth).



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@26723 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Luigi Rizzo
2006-05-11 08:00:35 +00:00
parent 9b2d51fb4a
commit 52e35b96bf
1 changed files with 29 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
pbx.c
View File

@@ -945,37 +945,38 @@ static struct ast_exten *pbx_find_extension(struct ast_channel *chan,
q->status = STATUS_NO_EXTENSION;
/* scan the list trying to match extension and CID */
for (eroot = tmp->root; eroot; eroot = eroot->next) {
eroot = NULL;
while ( (eroot = ast_walk_context_extensions(tmp, eroot)) ) {
int match = extension_match_core(eroot->exten, exten, action);
/* 0 on fail, 1 on match, 2 on earlymatch */
if (match && (!eroot->matchcid || matchcid(eroot->cidmatch, callerid))) {
if (match == 2 && action == E_MATCHMORE) {
/* We match an extension ending in '!'.
* The decision in this case is final and is NULL (no match).
*/
return NULL;
} else {
if (q->status < STATUS_NO_PRIORITY)
q->status = STATUS_NO_PRIORITY;
/* now look for the right priority */
for (e = eroot; e; e = e->peer) {
/* Match priority */
if (action == E_FINDLABEL) {
if (q->status < STATUS_NO_LABEL)
q->status = STATUS_NO_LABEL;
if (label && e->label && !strcmp(label, e->label)) {
q->status = STATUS_SUCCESS;
q->foundcontext = context;
return e;
}
} else if (e->priority == priority) {
q->status = STATUS_SUCCESS;
q->foundcontext = context;
return e;
}
}
}
if (!match || (eroot->matchcid && matchcid(eroot->cidmatch, callerid)))
continue; /* keep trying */
if (match == 2 && action == E_MATCHMORE) {
/* We match an extension ending in '!'.
* The decision in this case is final and is NULL (no match).
*/
return NULL;
}
/* found entry, now look for the right priority */
if (q->status < STATUS_NO_PRIORITY)
q->status = STATUS_NO_PRIORITY;
e = NULL;
while ( (e = ast_walk_extension_priorities(eroot, e)) ) {
/* Match label or priority */
if (action == E_FINDLABEL) {
if (q->status < STATUS_NO_LABEL)
q->status = STATUS_NO_LABEL;
if (label && e->label && !strcmp(label, e->label))
break; /* found it */
} else if (e->priority == priority) {
break; /* found it */
} /* else keep searching */
}
if (e) { /* found a valid match */
q->status = STATUS_SUCCESS;
q->foundcontext = context;
return e;
}
}
/* Check alternative switches */