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209 lines
6.1 KiB
209 lines
6.1 KiB
/*
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* Copyright (C) 2007 iptego GmbH
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*
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* This file is part of SEMS, a free SIP media server.
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*
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* SEMS 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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* For a license to use the sems software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* SEMS 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "RegistrationAgent.h"
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#include "AmConfig.h"
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#include "AmUtils.h"
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#include "AmPlugIn.h"
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#include "sems.h"
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#include "log.h"
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#include <unistd.h>
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#include "ampi/SIPRegistrarClientAPI.h"
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#define MOD_NAME "reg_agent"
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#define CFG_PARAM_DOMAIN "domain"
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#define CFG_PARAM_USER "user"
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#define CFG_PARAM_DISPLAY "display_name"
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#define CFG_PARAM_AUTH "auth_user"
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#define CFG_PARAM_PASS "pwd"
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#define CFG_PARAM_PROXY "proxy"
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#define CFG_PARAM_CONTACT "contact"
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#define MAX_ACCOUNTS 100
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EXPORT_SESSION_FACTORY(RegistrationAgentFactory,MOD_NAME);
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RegistrationAgentFactory::RegistrationAgentFactory(const string& _app_name)
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: AmSessionFactory(_app_name)
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{
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}
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int RegistrationAgentFactory::onLoad()
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{
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AmConfigReader cfg;
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if(cfg.loadFile(AmConfig::ModConfigPath + string(MOD_NAME ".conf")))
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return -1;
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// get application specific global parameters
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configureModule(cfg);
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int i = 0;
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string idx_str;
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do {
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RegInfo ri;
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ri.domain = cfg.getParameter(CFG_PARAM_DOMAIN+idx_str,"");
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ri.user = cfg.getParameter(CFG_PARAM_USER+idx_str,"");
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ri.display_name = cfg.getParameter(CFG_PARAM_DISPLAY+idx_str,"");
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ri.auth_user = cfg.getParameter(CFG_PARAM_AUTH+idx_str,"");
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ri.passwd = cfg.getParameter(CFG_PARAM_PASS+idx_str,"");
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ri.proxy = cfg.getParameter(CFG_PARAM_PROXY+idx_str,"");
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ri.contact = cfg.getParameter(CFG_PARAM_CONTACT+idx_str,"");
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if (!ri.domain.length() || !ri.user.length()) {
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// not including the passwd: might be IP based registration
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// not including the display name: allow user to skip it
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DBG("no mandatory config parameters '" CFG_PARAM_DOMAIN "' and '"
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CFG_PARAM_USER "' provided for entry #%d; configuration halted.\n", i);
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break;
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}
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if (!ri.auth_user.length()) // easier to config
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ri.auth_user = ri.user;
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dialer.add_reg(ri);
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DBG("Adding registration account #%d (%s %s %s %s %s %s)\n", i,
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ri.domain.c_str(), ri.user.c_str(), ri.display_name.c_str(),
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ri.auth_user.c_str(), ri.proxy.c_str(), ri.contact.c_str());
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i ++;
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idx_str = int2str(i);
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} while (i < MAX_ACCOUNTS);
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if (i <= 0) {
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WARN("no complete account provided: '" MOD_NAME "' module remains "
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"inactive, which might not be what you want!\n");
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} else {
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dialer.start();
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}
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return 0;
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}
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void RegistrationAgentFactory::postEvent(AmEvent* ev) {
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dialer.postEvent(ev);
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}
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AmSession* RegistrationAgentFactory::onInvite(const AmSipRequest& req, const string& app_name,
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const map<string,string>& app_params)
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{
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return NULL;
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}
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void RegThread::add_reg(const RegInfo& ri) {
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registrations.push_back(ri);
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}
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void RegThread::create_registration(RegInfo& ri) {
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AmDynInvokeFactory* di_f = AmPlugIn::instance()->getFactory4Di("registrar_client");
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if (di_f == NULL) {
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ERROR("unable to get a registrar_client\n");
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} else {
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AmDynInvoke* registrar_client_i = di_f->getInstance();
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if (registrar_client_i!=NULL) {
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DBG("calling createRegistration\n");
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AmArg di_args, reg_handle;
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di_args.push(ri.domain.c_str());
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di_args.push(ri.user.c_str());
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di_args.push(ri.display_name.c_str()); // display name
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di_args.push(ri.auth_user.c_str()); // auth_user
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di_args.push(ri.passwd.c_str()); // pwd
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di_args.push("reg_agent"); //sess_link
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di_args.push(ri.proxy.c_str());
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di_args.push(ri.contact.c_str());
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registrar_client_i->invoke("createRegistration", di_args, reg_handle);
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if (reg_handle.size())
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ri.handle = reg_handle.get(0).asCStr();
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}
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}
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}
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bool RegThread::check_registration(const RegInfo& ri) {
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if (!ri.handle.length())
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return false;
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AmDynInvokeFactory* di_f = AmPlugIn::instance()->getFactory4Di("registrar_client");
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if (di_f == NULL) {
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ERROR("unable to get a registrar_client\n");
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} else {
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AmDynInvoke* registrar_client_i = di_f->getInstance();
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if (registrar_client_i!=NULL) {
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AmArg di_args, res;
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di_args.push(ri.handle.c_str());
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registrar_client_i->invoke("getRegistrationState", di_args, res);
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if (res.size()) {
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if (!res.get(0).asInt())
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return false; // does not exist
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int state = res.get(1).asInt();
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int expires = res.get(2).asInt();
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DBG("Got state %s with expires %us for registration.\n",
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getSIPRegistationStateString(state), expires);
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if (state == 2) // expired ... FIXME: add values from API here
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return false;
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// else pending or active
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return true;
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}
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}
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}
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return false;
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}
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void RegThread::run() {
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DBG("registrar client started.\n");
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sleep(2); // wait for sems to completely start up
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while (true) {
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for (vector<RegInfo>::iterator it = registrations.begin();
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it != registrations.end(); it++) {
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if (!check_registration(*it)) {
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// todo: this is very crude... should adjust retry time
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DBG("Registration %d does not exist or timeout. Creating registration.\n",
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(int)(it - registrations.begin()));
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create_registration(*it);
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}
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}
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sleep(10); // 10 seconds
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}
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}
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void RegThread::on_stop() {
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DBG("not stopping...\n");
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}
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void RegThread::postEvent(AmEvent* ev) {
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DBG("received registration event.\n");
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// TODO: handle events instead of re-try
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delete ev;
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}
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