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update filters to have optional - prefix to omit a match within a match from the positive filter

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10207 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-10-30 23:37:16 +00:00
parent 81c1dc0de9
commit de0ed8f226
1 changed files with 33 additions and 4 deletions
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37
src/mod/event_handlers/mod_event_socket/mod_event_socket.c
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@ -239,22 +239,51 @@ static void event_handler(switch_event_t *event)
}
}
if (send && l->filters) {
if (send && l->filters && l->filters->headers) {
switch_event_header_t *hp;
const char *hval;
send = 0;
switch_mutex_lock(l->filter_mutex);
for (hp = l->filters->headers; hp && !send; hp = hp->next) {
for (hp = l->filters->headers; hp; hp = hp->next) {
if ((hval = switch_event_get_header(event, hp->name))) {
const char *comp_to = hp->value;
int pos = 1, cmp = 0;
while (comp_to && *comp_to) {
if (*comp_to == '+') {
pos = 1;
} else if (*comp_to == '-') {
pos = 0;
} else if (*comp_to != ' ') {
break;
}
comp_to++;
}
if (send && pos) {
continue;
}
if (!comp_to) {
continue;
}
if (*hp->value == '/') {
switch_regex_t *re = NULL;
int ovector[30];
send = switch_regex_perform(hval, hp->value, &re, ovector, sizeof(ovector) / sizeof(ovector[0]));
cmp = !!switch_regex_perform(hval, comp_to, &re, ovector, sizeof(ovector) / sizeof(ovector[0]));
switch_regex_safe_free(re);
} else {
if (!strcasecmp(hp->value, hval)) {
cmp = !strcasecmp(hval, comp_to);
}
if (cmp) {
if (pos) {
send = 1;
} else {
send = 0;
break;
}
}
}