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129 lines
4.5 KiB
129 lines
4.5 KiB
/*
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* $Id$
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*
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* Copyright (C) 2012 Smile Communications, jason.penton@smilecoms.com
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* Copyright (C) 2012 Smile Communications, richard.good@smilecoms.com
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*
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* The initial version of this code was written by Dragos Vingarzan
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* (dragos(dot)vingarzan(at)fokus(dot)fraunhofer(dot)de and the
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* Fruanhofer Institute. It was and still is maintained in a separate
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* branch of the original SER. We are therefore migrating it to
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* Kamailio/SR and look forward to maintaining it from here on out.
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* 2011/2012 Smile Communications, Pty. Ltd.
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* ported/maintained/improved by
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* Jason Penton (jason(dot)penton(at)smilecoms.com and
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* Richard Good (richard(dot)good(at)smilecoms.com) as part of an
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* effort to add full IMS support to Kamailio/SR using a new and
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* improved architecture
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*
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* NB: Alot of this code was originally part of OpenIMSCore,
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* FhG Fokus.
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* Copyright (C) 2004-2006 FhG Fokus
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* Thanks for great work! This is an effort to
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* break apart the various CSCF functions into logically separate
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* components. We hope this will drive wider use. We also feel
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* that in this way the architecture is more complete and thereby easier
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* to manage in the Kamailio/SR environment
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "api_process.h"
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#include "transaction.h"
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#include "receiver.h"
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#include "peerstatemachine.h"
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#include "cdp_stats.h"
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extern unsigned int* latency_threshold_p; /**<max delay for Diameter call */
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extern struct cdp_counters_h cdp_cnts_h;
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handler_list *handlers = 0; /**< list of handlers */
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gen_lock_t *handlers_lock; /**< lock for list of handlers */
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/**
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* This callback is added as an internal message listener and used to process
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* transaction requests.
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* - first it calls all the registered handlers for requests and responses
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* - then it calls the transaction handler
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* @param p - peer that this message came from
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* @param msg - the diameter message
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* @param ptr - not used anymore
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* @returns 1 always
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*/
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int api_callback(peer *p,AAAMessage *msg,void* ptr)
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{
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cdp_trans_t *t;
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int auto_drop;
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handler *h;
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handler x;
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enum handler_types type;
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AAAMessage *rsp;
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if (is_req(msg)) type = REQUEST_HANDLER;
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else type=RESPONSE_HANDLER;
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lock_get(handlers_lock);
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for(h=handlers->head;h;h=h->next){
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if (h->type==type){
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x.handler = h->handler;
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if (h->type == REQUEST_HANDLER) {
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lock_release(handlers_lock);
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rsp = (x.handler.requestHandler)(msg,h->param);
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if (rsp) {
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//peer_send_msg(p,rsp);
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sm_process(p,Send_Message,rsp,0,0);
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}
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lock_get(handlers_lock);
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}
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else {
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lock_release(handlers_lock);
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(x.handler.responseHandler)(msg,h->param);
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lock_get(handlers_lock);
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}
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}
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}
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lock_release(handlers_lock);
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if (!is_req(msg)){
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/* take care of transactional callback if any */
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t = cdp_take_trans(msg);
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if (t){
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t->ans = msg;
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struct timeval stop;
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gettimeofday(&stop, NULL);
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long elapsed_usecs = (stop.tv_sec - t->started.tv_sec)*1000000 + (stop.tv_usec - t->started.tv_usec);
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long elapsed_msecs = elapsed_usecs/1000;
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if (elapsed_msecs > *latency_threshold_p) {
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if (msg->sessionId && msg->sessionId->data.len)
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LM_ERR("Received diameter response outside of threshold (%d) - %ld (session-id: [%.*s])\n", *latency_threshold_p, elapsed_msecs, msg->sessionId->data.len, msg->sessionId->data.s);
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else
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LM_ERR("Received diameter response outside of threshold (%d) - %ld (no session-id)\n", *latency_threshold_p, elapsed_msecs);
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}
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counter_inc(cdp_cnts_h.replies_received);
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counter_add(cdp_cnts_h.replies_response_time, elapsed_msecs);
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auto_drop = t->auto_drop;
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if (t->cb){
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(t->cb)(0,*(t->ptr),msg, elapsed_msecs);
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}
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if (auto_drop) cdp_free_trans(t);
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}
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}
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return 1;
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}
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