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Add sip_watched_headers variable to launch events when a SIP message contains a given SIP header

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FS-6801 #resolve
This commit is contained in:
Moises Silva
2013-01-15 00:50:28 -05:00
parent 89b4b0c4ea
commit 3df55b9bb5
3 changed files with 85 additions and 0 deletions
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src/mod/endpoints/mod_sofia/sofia.c
+65
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@@ -1251,6 +1251,21 @@ static void tech_send_ack(nua_handle_t *nh, private_object_t *tech_pvt)
}
static void notify_watched_header(switch_core_session_t *session, const char *msgline, const char *hdrname, const char *hdrval)
{
switch_event_t *event = NULL;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Found known watched header in message '%s', %s: %s\n", msgline, hdrname, hdrval);
if (switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, MY_EVENT_NOTIFY_WATCHED_HEADER) == SWITCH_STATUS_SUCCESS) {
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "SIP-Message", msgline);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Header-Name", hdrname);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Header-Value", hdrval);
switch_channel_event_set_data(channel, event);
switch_event_fire(&event);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "Failed creating event of type %s!\n", MY_EVENT_NOTIFY_WATCHED_HEADER);
}
}
//sofia_dispatch_event_t *de
static void our_sofia_event_callback(nua_event_t event,
@@ -1326,6 +1341,56 @@ static void our_sofia_event_callback(nua_event_t event,
}
}
if (session && tech_pvt && tech_pvt->watch_headers && sip) {
char msgline[512];
int hi;
msg_header_t *h = NULL;
if (sip->sip_request) {
h = (msg_header_t *)sip->sip_request;
msg_header_field_e(msgline, sizeof(msgline), h, 0);
} else if (sip->sip_status) {
h = (msg_header_t *)sip->sip_status;
msg_header_field_e(msgline, sizeof(msgline), h, 0);
}
if (h) {
sip_unknown_t *un = NULL;
char buf[512];
char *c = NULL;
msgline[sizeof(msgline)-1] = '\0';
c = strchr(msgline, '\r');
if (c) {
*c = '\0';
}
/* Faster (ie hash-based) search here would be nice? ie, make watch_headers a hash? */
/* Search first in the valid headers */
for (h = h->sh_succ; h; h = h->sh_succ) {
sip_header_t *sh = (sip_header_t *)h;
if (!sh->sh_class->hc_name) {
continue;
}
for (hi = 0; tech_pvt->watch_headers[hi]; hi++) {
if (!strcasecmp(tech_pvt->watch_headers[hi], sh->sh_class->hc_name)) {
msg_header_field_e(buf, sizeof(buf), h, 0);
buf[sizeof(buf)-1] = '\0';
notify_watched_header(session, msgline, sh->sh_class->hc_name, buf);
}
}
}
/* Search now in the unknown headers */
for (un = sip->sip_unknown; un; un = un->un_next) {
for (hi = 0; tech_pvt->watch_headers[hi]; hi++) {
if (!strcasecmp(tech_pvt->watch_headers[hi], un->un_name)) {
notify_watched_header(session, msgline, un->un_name, un->un_value);
}
}
}
}
}
if (sofia_test_pflag(profile, PFLAG_AUTH_ALL) && tech_pvt && tech_pvt->key && sip && (event < nua_r_set_params || event > nua_r_authenticate)) {
sip_authorization_t const *authorization = NULL;