/// Utility to determine if this URI belongs to the home domain.
pj_bool_t PJUtils::is_home_domain(const pjsip_uri* uri)
{
if (PJSIP_URI_SCHEME_IS_SIP(uri))
{
std::string host = pj_str_to_string(&((pjsip_sip_uri*)uri)->host);
return is_home_domain(host);
}
return PJ_FALSE;
}
void MementoAppServerTsx::on_initial_request(pjsip_msg* req)
{
TRC_DEBUG("Memento processing an initial request of type %s",
(req->line.req.method.id == PJSIP_INVITE_METHOD) ? "INVITE" : "BYE");
// Get the current time
time_t rawtime;
time(&rawtime);
tm* start_time = localtime(&rawtime);
_start_time_xml = create_formatted_timestamp(start_time, XML_PATTERN);
_start_time_cassandra = create_formatted_timestamp(start_time, TIMESTAMP_PATTERN);
// Is the call originating or terminating?
std::string served_user;
pjsip_routing_hdr* psu_hdr = (pjsip_routing_hdr*)
pjsip_msg_find_hdr_by_name(req, &P_SERVED_USER, NULL);
if (psu_hdr != NULL)
{
pjsip_uri* uri = (pjsip_uri*)pjsip_uri_get_uri(&psu_hdr->name_addr);
served_user = uri_to_string(PJSIP_URI_IN_ROUTING_HDR, uri);
pjsip_param* sescase = pjsip_param_find(&psu_hdr->other_param, &SESCASE);
if ((sescase != NULL) &&
(pj_stricmp(&sescase->value, &ORIG) == 0))
{
TRC_DEBUG("Request is originating");
_outgoing = true;
}
}
// Get the caller, callee and impu values
if (_outgoing)
{
// Get the callee's URI amd name from the To header.
_callee_uri = uri_to_string(PJSIP_URI_IN_FROMTO_HDR,
(pjsip_uri*)pjsip_uri_get_uri(PJSIP_MSG_TO_HDR(req)->uri));
_callee_name = pj_str_to_string(&((pjsip_name_addr*)
(PJSIP_MSG_TO_HDR(req)->uri))->display);
// Get the caller's URI and name from the P-Asserted Identity header. If
// this is missing, use the From header.
pjsip_routing_hdr* asserted_id = (pjsip_routing_hdr*)
pjsip_msg_find_hdr_by_name(req, &P_ASSERTED_IDENTITY, NULL);
if (asserted_id != NULL)
{
_caller_uri = uri_to_string(PJSIP_URI_IN_FROMTO_HDR,
(pjsip_uri*)pjsip_uri_get_uri(&asserted_id->name_addr));
_caller_name = pj_str_to_string(&asserted_id->name_addr.display);
}
else
{
TRC_WARNING("INVITE missing P-Asserted-Identity");
send_request(req);
return;
}
// Set the IMPU equal to the caller's URI
_impu = _caller_uri;
}
else
{
// Get the callee's URI from the request URI. There can be no name value.
_callee_uri = uri_to_string(PJSIP_URI_IN_FROMTO_HDR, req->line.req.uri);
// Get the caller's URI and name from the From header.
_caller_uri = uri_to_string(PJSIP_URI_IN_FROMTO_HDR,
(pjsip_uri*)pjsip_uri_get_uri(PJSIP_MSG_FROM_HDR(req)->uri));
_caller_name = pj_str_to_string(&((pjsip_name_addr*)
(PJSIP_MSG_FROM_HDR(req)->uri))->display);
// Set the IMPU equal to the callee's URI
_impu = _callee_uri;
}
// Add a unique ID containing the IMPU to the record route header.
// This has the format:
// <YYYYMMDDHHMMSS>_<unique_id>_<base64 encoded impu>.memento.<home domain>
_unique_id = std::to_string(Utils::generate_unique_integer(0,0));
std::string encoded_impu =
base64_encode(reinterpret_cast<const unsigned char*>(_impu.c_str()),
_impu.length());
std::string dialog_id = std::string(_start_time_cassandra).
append("_").
append(_unique_id).
append("_").
append(encoded_impu);
add_to_dialog(dialog_id);
send_request(req);
}