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/*
* Copyright (C) 2009 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
#include "options.h"
extern ctx_t* ctx;
extern const session_t* session_handle_cmd(cmd_type_t , const opts_L_t*);
int options_hack_aor(const tsip_response_t* resp);
int options_handle_event(const tsip_event_t *_event)
{
const tsip_options_event_t* opt_event = TSIP_OPTIONS_EVENT(_event);
const session_t* session;
tsip_ssession_id_t sid;
/* Find associated session */
sid = tsip_ssession_get_id(_event->ss);
if(!(session = session_get_by_sid(ctx->sessions, sid))) {
TSK_DEBUG_WARN("Failed to match session event.");
return -1;
}
switch(opt_event->type) {
case tsip_i_options: /* incoming OPTIONS */
break;
case tsip_ao_options: /* answer to outgoing OPTIONS */
#if HACK_AOR
if(TSIP_MESSAGE_IS_RESPONSE(_event->sipmessage)) {
options_hack_aor(_event->sipmessage);
}
#endif
break;
}
return 0;
}
tsip_ssession_id_t options_handle_cmd(cmd_type_t cmd, const opts_L_t* opts)
{
const session_t* session = tsk_null;
tsip_ssession_id_t id = TSIP_SSESSION_INVALID_ID;
if(!(session = session_handle_cmd(cmd, opts))) {
goto bail;
}
else {
id = tsip_ssession_get_id(session->handle);
}
/* Execute command */
switch(cmd) {
case cmd_options: {
/* Send SIP OPTIONS */
tsip_action_handle_t* action_config = action_get_config(opts);
tsip_api_options_send_options(session->handle,
TSIP_ACTION_SET_CONFIG(action_config),
/* Any other TSIP_ACTION_SET_*() macros */
TSIP_ACTION_SET_NULL());
TSK_OBJECT_SAFE_FREE(action_config);
break;
}
default:
/* already handled by session_handle_cmd() */
break;
}
bail:
return id;
}
/* used to hack the AOR. useful for devices behind NATs or emulators (e.g. ANDROID) */
int options_hack_aor(const tsip_response_t* resp)
{
int32_t rport;
if(resp && resp->firstVia) {
if(resp->firstVia->rport <=0) {
char* received_port_ext;
/* Ericsson SDS
==> Via: SIP/2.0/TCP 192.168.0.12:49744;rport;branch=z9hG4bK1273100904048;received_port_ext=49744;received=192.168.0.12 */
if((received_port_ext = tsip_header_get_param_value((const tsip_header_t*)resp->firstVia, "received_port_ext"))) {
rport = (int32_t)atoi(received_port_ext);
TSK_FREE(received_port_ext);
}
}
else {
rport = resp->firstVia->rport;
}
tsip_stack_set(ctx->stack,
TSIP_STACK_SET_AOR(resp->firstVia->received, rport),
TSIP_STACK_SET_NULL());
return 0;
}
return -1;
}
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