/**
* @brief notification response callback
*/
int notification_resp_callback_f(struct sip_msg* msg, int code,
dmq_node_t* node, void* param)
{
int ret;
int nodes_recv;
LM_DBG("notification_callback_f triggered [%p %d %p]\n", msg, code, param);
if(code == 200) {
nodes_recv = extract_node_list(node_list, msg);
LM_DBG("received %d new or changed nodes\n", nodes_recv);
if (dmq_init_callback_done && !*dmq_init_callback_done) {
*dmq_init_callback_done = 1;
run_init_callbacks();
}
} else if(code == 408) {
/* deleting node - the server did not respond */
LM_ERR("deleting server %.*s because of failed request\n", STR_FMT(&node->orig_uri));
if (STR_EQ(node->orig_uri, dmq_notification_address)) {
LM_ERR("not deleting notification_peer\n");
return 0;
}
ret = del_dmq_node(node_list, node);
LM_DBG("del_dmq_node returned %d\n", ret);
}
return 0;
}
/**
* @brief dmq notification callback
*/
int dmq_notification_callback(struct sip_msg* msg, peer_reponse_t* resp, dmq_node_t* dmq_node)
{
int nodes_recv;
str* response_body = NULL;
int maxforwards = 0;
/* received dmqnode list */
LM_DBG("dmq triggered from dmq_notification_callback\n");
/* extract the maxforwards value, if any */
if(msg->maxforwards) {
if (msg->maxforwards->parsed > 0) {
/* maxfwd module has parsed and decreased the value in the msg buf */
/* maxforwards->parsed contains the original value */
maxforwards = (int)(long)(msg->maxforwards->parsed) - 1;
} else {
str2sint(&msg->maxforwards->body, &maxforwards);
maxforwards--;
}
}
nodes_recv = extract_node_list(node_list, msg);
LM_DBG("received %d new or changed nodes\n", nodes_recv);
response_body = build_notification_body();
if(response_body==NULL) {
LM_ERR("no response body\n");
goto error;
}
resp->content_type = notification_content_type;
resp->reason = dmq_200_rpl;
resp->body = *response_body;
resp->resp_code = 200;
/* if we received any new nodes tell about them to the others */
if(nodes_recv > 0 && maxforwards > 0) {
/* maxforwards is set to 0 so that the message is will not be in a spiral */
bcast_dmq_message(dmq_notification_peer, response_body, 0,
¬ification_callback, maxforwards, ¬ification_content_type);
}
pkg_free(response_body);
if (dmq_init_callback_done && !*dmq_init_callback_done) {
*dmq_init_callback_done = 1;
run_init_callbacks();
}
return 0;
error:
return -1;
}
/**
* @brief dmq notification callback
*/
int dmq_notification_callback(struct sip_msg* msg, peer_reponse_t* resp)
{
int nodes_recv;
str* response_body = NULL;
unsigned int maxforwards = 1;
/* received dmqnode list */
LM_DBG("dmq triggered from dmq_notification_callback\n");
/* parse the message headers */
if(parse_headers(msg, HDR_EOH_F, 0) < 0) {
LM_ERR("error parsing message headers\n");
goto error;
}
/* extract the maxforwards value, if any */
if(msg->maxforwards) {
LM_DBG("max forwards: %.*s\n", STR_FMT(&msg->maxforwards->body));
str2int(&msg->maxforwards->body, &maxforwards);
}
maxforwards--;
nodes_recv = extract_node_list(node_list, msg);
LM_DBG("received %d new nodes\n", nodes_recv);
response_body = build_notification_body();
if(response_body==NULL) {
LM_ERR("no response body\n");
goto error;
}
resp->content_type = notification_content_type;
resp->reason = dmq_200_rpl;
resp->body = *response_body;
resp->resp_code = 200;
/* if we received any new nodes tell about them to the others */
if(nodes_recv > 0 && maxforwards > 0) {
/* maxforwards is set to 0 so that the message is will not be in a spiral */
bcast_dmq_message(dmq_notification_peer, response_body, 0,
¬ification_callback, maxforwards, ¬ification_content_type);
}
LM_DBG("broadcasted message\n");
pkg_free(response_body);
return 0;
error:
return -1;
}
