/*!
* \internal
* \brief Attempt to qualify the contact
*
* \details Sends a SIP OPTIONS request to the given contact in order to make
* sure that contact is available.
*/
static int qualify_contact(struct ast_sip_endpoint *endpoint, struct ast_sip_contact *contact)
{
pjsip_tx_data *tdata;
RAII_VAR(struct ast_sip_endpoint *, endpoint_local, NULL, ao2_cleanup);
if (endpoint) {
endpoint_local = ao2_bump(endpoint);
} else {
if (!ast_strlen_zero(contact->endpoint_name)) {
endpoint_local = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", contact->endpoint_name);
}
if (!endpoint_local) {
endpoint_local = find_an_endpoint(contact);
}
if (!endpoint_local) {
ast_log(LOG_WARNING, "Unable to find an endpoint to qualify contact %s. Deleting this contact\n",
contact->uri);
contact_deleted(contact);
return -1;
}
}
if (ast_sip_create_request("OPTIONS", NULL, endpoint_local, NULL, contact, &tdata)) {
ast_log(LOG_ERROR, "Unable to create request to qualify contact %s\n",
contact->uri);
return -1;
}
/* If an outbound proxy is specified set it on this request */
if (!ast_strlen_zero(contact->outbound_proxy) &&
ast_sip_set_outbound_proxy(tdata, contact->outbound_proxy)) {
pjsip_tx_data_dec_ref(tdata);
ast_log(LOG_ERROR, "Unable to apply outbound proxy on request to qualify contact %s\n",
contact->uri);
return -1;
}
init_start_time(contact);
ao2_ref(contact, +1);
if (ast_sip_send_out_of_dialog_request(tdata, endpoint_local, (int)(contact->qualify_timeout * 1000), contact, qualify_contact_cb)
!= PJ_SUCCESS) {
ast_log(LOG_ERROR, "Unable to send request to qualify contact %s\n",
contact->uri);
update_contact_status(contact, UNAVAILABLE, 0);
ao2_ref(contact, -1);
return -1;
}
return 0;
}
/*!
* \internal
* \brief Attempt to qualify the contact
*
* \details Sends a SIP OPTIONS request to the given contact in order to make
* sure that contact is available.
*/
static int qualify_contact(struct ast_sip_endpoint *endpoint, struct ast_sip_contact *contact)
{
pjsip_tx_data *tdata;
RAII_VAR(struct ast_sip_endpoint *, endpoint_local, NULL, ao2_cleanup);
if (contact->authenticate_qualify) {
endpoint_local = ao2_bump(endpoint);
if (!endpoint_local) {
/*
* Find the "first" endpoint to completely qualify the contact - any
* endpoint that is associated with the contact should do.
*/
endpoint_local = find_an_endpoint(contact);
if (!endpoint_local) {
ast_log(LOG_ERROR, "Unable to find an endpoint to qualify contact %s\n",
contact->uri);
return -1;
}
}
}
if (ast_sip_create_request("OPTIONS", NULL, NULL, NULL, contact, &tdata)) {
ast_log(LOG_ERROR, "Unable to create request to qualify contact %s\n",
contact->uri);
return -1;
}
/* If an outbound proxy is specified set it on this request */
if (!ast_strlen_zero(contact->outbound_proxy) &&
ast_sip_set_outbound_proxy(tdata, contact->outbound_proxy)) {
pjsip_tx_data_dec_ref(tdata);
ast_log(LOG_ERROR, "Unable to apply outbound proxy on request to qualify contact %s\n",
contact->uri);
return -1;
}
init_start_time(contact);
ao2_ref(contact, +1);
if (ast_sip_send_out_of_dialog_request(tdata, endpoint_local, (int)(contact->qualify_timeout * 1000), contact, qualify_contact_cb)
!= PJ_SUCCESS) {
ast_log(LOG_ERROR, "Unable to send request to qualify contact %s\n",
contact->uri);
update_contact_status(contact, UNAVAILABLE);
ao2_ref(contact, -1);
return -1;
}
return 0;
}
static pj_status_t check_system_time(pj_uint64_t ts_elapsed)
{
enum { MIS = 5 };
SYSTEMTIME st;
FILETIME ft;
LARGE_INTEGER cur, calc;
DWORD diff;
pj_timestamp freq;
pj_status_t status;
/* Get system's current time */
GetLocalTime(&st);
SystemTimeToFileTime(&st, &ft);
cur.LowPart = ft.dwLowDateTime;
cur.HighPart = ft.dwHighDateTime;
cur.QuadPart /= SECS_TO_FT_MULT;
cur.QuadPart -= base_time.QuadPart;
/* Get our calculated system time */
status = pj_get_timestamp_freq(&freq);
if (status != PJ_SUCCESS)
return status;
calc.QuadPart = g_start_time.QuadPart + ts_elapsed / freq.u64;
/* See the difference between calculated and actual system time */
if (calc.QuadPart >= cur.QuadPart) {
diff = (DWORD)(calc.QuadPart - cur.QuadPart);
} else {
diff = (DWORD)(cur.QuadPart - calc.QuadPart);
}
if (diff > MIS) {
/* System time has changed */
PJ_LOG(3,("os_time_win32.c", "WinCE system time changed detected "
"(diff=%u)", diff));
status = init_start_time();
} else {
status = PJ_SUCCESS;
}
return status;
}
// Find 1st Jan 1970 as a FILETIME
static pj_status_t get_base_time(void)
{
SYSTEMTIME st;
FILETIME ft;
pj_status_t status = PJ_SUCCESS;
memset(&st,0,sizeof(st));
st.wYear=1970;
st.wMonth=1;
st.wDay=1;
SystemTimeToFileTime(&st, &ft);
base_time.LowPart = ft.dwLowDateTime;
base_time.HighPart = ft.dwHighDateTime;
base_time.QuadPart /= SECS_TO_FT_MULT;
#ifdef WINCE_TIME
pj_enter_critical_section();
status = init_start_time();
pj_leave_critical_section();
#endif
return status;
}
