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244 lines
7.0 KiB
244 lines
7.0 KiB
/*
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* $Id: PinAuthConference.cpp 288 2007-03-28 16:32:02Z sayer $
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*
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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 "PinAuthConference.h"
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#include "AmConferenceStatus.h"
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#include "AmUtils.h"
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#include "log.h"
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#define APP_NAME "pinauthconference"
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EXPORT_SESSION_FACTORY(PinAuthConferenceFactory,APP_NAME);
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PinAuthConferenceFactory::PinAuthConferenceFactory(const string& _app_name)
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: AmSessionFactory(_app_name)
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{
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}
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string PinAuthConferenceFactory::DigitsDir;
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PlayoutType PinAuthConferenceFactory::m_PlayoutType = ADAPTIVE_PLAYOUT;
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int PinAuthConferenceFactory::onLoad()
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{
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AmConfigReader cfg;
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if(cfg.loadFile(AmConfig::ModConfigPath + string(APP_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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// get prompts
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AM_PROMPT_START;
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AM_PROMPT_ADD(FIRST_PARTICIPANT, ANNOUNCE_PATH "first_paricipant.wav");
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AM_PROMPT_ADD(JOIN_SOUND, ANNOUNCE_PATH "beep.wav");
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AM_PROMPT_ADD(DROP_SOUND, ANNOUNCE_PATH "beep.wav");
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AM_PROMPT_ADD(ENTER_PIN, ANNOUNCE_PATH "enter_pin.wav");
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AM_PROMPT_ADD(WRONG_PIN, ANNOUNCE_PATH "wrong_pin.wav");
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AM_PROMPT_ADD(ENTERING_CONFERENCE, ANNOUNCE_PATH "entering_conference.wav");
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AM_PROMPT_END(prompts, cfg, APP_NAME);
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DigitsDir = cfg.getParameter("digits_dir");
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if (DigitsDir.length() && DigitsDir[DigitsDir.length()-1]!='/')
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DigitsDir+='/';
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if (!DigitsDir.length()) {
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WARN("No digits_dir specified in configuration.\n");
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}
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for (int i=0;i<10;i++)
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prompts.setPrompt(int2str(i), DigitsDir+int2str(i)+".wav", APP_NAME);
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string playout_type = cfg.getParameter("playout_type");
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if (playout_type == "simple") {
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m_PlayoutType = SIMPLE_PLAYOUT;
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DBG("Using simple (fifo) buffer as playout technique.\n");
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} else if (playout_type == "adaptive_jb") {
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m_PlayoutType = JB_PLAYOUT;
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DBG("Using adaptive jitter buffer as playout technique.\n");
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} else {
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DBG("Using adaptive playout buffer as playout technique.\n");
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}
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return 0;
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}
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// incoming calls - req is INVITE
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AmSession* PinAuthConferenceFactory::onInvite(const AmSipRequest& req)
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{
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return new PinAuthConferenceDialog(prompts);
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}
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// outgoing calls - rep is 200 class response to INVITE
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AmSession* PinAuthConferenceFactory::onInvite(const AmSipReply& rep)
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{
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return new PinAuthConferenceDialog(prompts);
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}
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PinAuthConferenceDialog::PinAuthConferenceDialog(AmPromptCollection& prompts)
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: play_list(this), separator(this, 0), prompts(prompts), state(None)
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{
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// set configured playout type
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rtp_str.setPlayoutType(PinAuthConferenceFactory::m_PlayoutType);
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}
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PinAuthConferenceDialog::~PinAuthConferenceDialog()
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{
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play_list.close(false);
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prompts.cleanup((long)this);
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}
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void PinAuthConferenceDialog::connectConference(const string& room) {
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// set the conference id ('conference room')
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conf_id = room;
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// disconnect in/out for safety
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setInOut(NULL, NULL);
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// we need to be in the same callgroup as the other
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// people in the conference (important if we have multiple
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// MediaProcessor threads
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changeCallgroup(conf_id);
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// get a channel from the status
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channel.reset(AmConferenceStatus::getChannel(conf_id,getLocalTag()));
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// clear the playlist
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play_list.close(false);
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// add the channel to our playlist
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play_list.addToPlaylist(new AmPlaylistItem(channel.get(),
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channel.get()));
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// set the playlist as input and output
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setInOut(&play_list,&play_list);
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}
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void PinAuthConferenceDialog::onSessionStart(const AmSipRequest& req)
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{
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state = EnteringPin;
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prompts.addToPlaylist(ENTER_PIN, (long)this, play_list);
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// set the playlist as input and output
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setInOut(&play_list,&play_list);
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}
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void PinAuthConferenceDialog::onBye(const AmSipRequest& req)
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{
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play_list.close();
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setInOut(NULL,NULL);
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channel.reset(NULL);
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setStopped();
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}
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void PinAuthConferenceDialog::process(AmEvent* ev)
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{
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// check conference events
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ConferenceEvent* ce = dynamic_cast<ConferenceEvent*>(ev);
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if(ce && (conf_id == ce->conf_id)){
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switch(ce->event_id){
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case ConfNewParticipant: {
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DBG("########## new participant #########\n");
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if(ce->participants == 1){
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prompts.addToPlaylist(FIRST_PARTICIPANT, (long)this, play_list, true);
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} else {
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prompts.addToPlaylist(JOIN_SOUND, (long)this, play_list, true);
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}
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} break;
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case ConfParticipantLeft: {
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DBG("########## participant left ########\n");
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prompts.addToPlaylist(DROP_SOUND, (long)this, play_list, true);
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} break;
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default:
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break;
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}
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return;
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}
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// our item will fire this event
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AmPlaylistSeparatorEvent* sep_ev = dynamic_cast<AmPlaylistSeparatorEvent*>(ev);
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if (NULL != sep_ev) {
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// don't care for the id here
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if (EnteringConference == state) {
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state = InConference;
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connectConference(pin_str);
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DBG("connectConference. **********************\n");
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}
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}
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// audio events
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AmAudioEvent* audio_ev = dynamic_cast<AmAudioEvent*>(ev);
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if (audio_ev &&
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audio_ev->event_id == AmAudioEvent::noAudio) {
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DBG("received noAudio event. **********************\n");
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return;
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}
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AmSession::process(ev);
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}
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void PinAuthConferenceDialog::onDtmf(int event, int duration)
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{
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DBG("PinAuthConferenceDialog::onDtmf: event %d duration %d\n",
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event, duration);
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if (EnteringPin == state) {
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// not yet in conference
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if (event<10) {
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pin_str += int2str(event);
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DBG("added '%s': PIN is now '%s'.\n",
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int2str(event).c_str(), pin_str.c_str());
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} else if (event==10 || event==11) {
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// pound and star key
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// if required add checking of pin here...
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if (!pin_str.length()) {
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prompts.addToPlaylist(WRONG_PIN, (long)this, play_list, true);
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} else {
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state = EnteringConference;
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setInOut(NULL, NULL);
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play_list.close();
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for (size_t i=0;i<pin_str.length();i++) {
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string num = "";
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num[0] = pin_str[i];
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DBG("adding '%s' to playlist.\n", num.c_str());
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prompts.addToPlaylist(num,
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(long)this, play_list);
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}
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setInOut(&play_list,&play_list);
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prompts.addToPlaylist(ENTERING_CONFERENCE,
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(long)this, play_list);
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play_list.addToPlaylist(new AmPlaylistItem(&separator, NULL));
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}
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}
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}
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}
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