org.asteriskjava.live.internal.ChannelManager Maven / Gradle / Ivy
/*
* Copyright 2004-2006 Stefan Reuter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.asteriskjava.live.internal;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import org.asteriskjava.live.AsteriskChannel;
import org.asteriskjava.live.CallerId;
import org.asteriskjava.live.ChannelState;
import org.asteriskjava.live.Extension;
import org.asteriskjava.live.HangupCause;
import org.asteriskjava.live.ManagerCommunicationException;
import org.asteriskjava.live.NoSuchChannelException;
import org.asteriskjava.manager.ResponseEvents;
import org.asteriskjava.manager.action.StatusAction;
import org.asteriskjava.manager.event.AbstractChannelEvent;
import org.asteriskjava.manager.event.BridgeEvent;
import org.asteriskjava.manager.event.CdrEvent;
import org.asteriskjava.manager.event.DialEvent;
import org.asteriskjava.manager.event.DtmfEvent;
import org.asteriskjava.manager.event.HangupEvent;
import org.asteriskjava.manager.event.ManagerEvent;
import org.asteriskjava.manager.event.MonitorStartEvent;
import org.asteriskjava.manager.event.MonitorStopEvent;
import org.asteriskjava.manager.event.NewCallerIdEvent;
import org.asteriskjava.manager.event.NewChannelEvent;
import org.asteriskjava.manager.event.NewExtenEvent;
import org.asteriskjava.manager.event.NewStateEvent;
import org.asteriskjava.manager.event.ParkedCallEvent;
import org.asteriskjava.manager.event.ParkedCallGiveUpEvent;
import org.asteriskjava.manager.event.ParkedCallTimeOutEvent;
import org.asteriskjava.manager.event.RenameEvent;
import org.asteriskjava.manager.event.StatusEvent;
import org.asteriskjava.manager.event.UnparkedCallEvent;
import org.asteriskjava.manager.event.VarSetEvent;
import org.asteriskjava.util.DaemonThreadFactory;
import org.asteriskjava.util.DateUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Manages channel events on behalf of an AsteriskServer.
*
* @author srt
* @version $Id$
*/
class ChannelManager {
private static final Logger logger = LoggerFactory.getLogger(ChannelManager.class);
/**
* How long we wait before we remove hung up channels from memory (in
* milliseconds).
*/
private static final long REMOVAL_THRESHOLD = 15 * 60 * 1000L; // 15 minutes
private static final long SLEEP_TIME_BEFORE_GET_VAR = 50L;
private final AsteriskServerImpl server;
/**
* A map of all active channel by their unique id.
*/
final Map channels = new LinkedHashMap<>();
ScheduledThreadPoolExecutor traceScheduledExecutorService;
/**
* Creates a new instance.
*
* @param server
* the server this channel manager belongs to.
*/
ChannelManager(AsteriskServerImpl server) {
this.server = server;
}
void initialize() throws ManagerCommunicationException {
initialize(null);
}
void initialize(List variables) throws ManagerCommunicationException {
ResponseEvents re;
shutdown();
traceScheduledExecutorService =
new ScheduledThreadPoolExecutor(1, new DaemonThreadFactory());// Executors.newSingleThreadScheduledExecutor
StatusAction sa = new StatusAction();
sa.setVariables(variables);
re = server.sendEventGeneratingAction(sa);
for (ManagerEvent event : re.getEvents()) {
if (event instanceof StatusEvent) {
handleStatusEvent((StatusEvent) event);
}
}
logger.debug("ChannelManager has been initialised");
}
void disconnected() {
shutdown();
logger.debug("ChannelManager has been disconnected from Asterisk.");
}
private void shutdown() {
if (traceScheduledExecutorService != null) {
traceScheduledExecutorService.shutdown();
}
synchronized (channels) {
channels.clear();
}
}
/**
* Returns a collection of all active AsteriskChannels.
*
* @return a collection of all active AsteriskChannels.
*/
Collection getChannels() {
Collection copy;
synchronized (channels) {
copy = new ArrayList<>(channels.size() + 2);
for (AsteriskChannel channel : channels.values()) {
if (channel.getState() != ChannelState.HUNGUP) {
copy.add(channel);
}
}
}
return copy;
}
private void addChannel(AsteriskChannelImpl channel) {
synchronized (channels) {
channels.put(channel.getId(), channel);
}
}
/**
* Removes channels that have been hung more than {@link #REMOVAL_THRESHOLD}
* milliseconds.
*/
private void removeOldChannels() {
Iterator i;
synchronized (channels) {
i = channels.values()
.iterator();
while (i.hasNext()) {
final AsteriskChannel channel = i.next();
final Date dateOfRemoval = channel.getDateOfRemoval();
if (channel.getState() == ChannelState.HUNGUP && dateOfRemoval != null) {
final long diff = DateUtil.getDate()
.getTime() - dateOfRemoval.getTime();
if (diff >= REMOVAL_THRESHOLD) {
i.remove();
}
}
}
}
}
private AsteriskChannelImpl addNewChannel(String uniqueId, final String name,
Date dateOfCreation, String callerIdNumber, String callerIdName, ChannelState state,
String account) {
final AsteriskChannelImpl channel =
new AsteriskChannelImpl(server, name, uniqueId, dateOfCreation);
channel.setCallerId(new CallerId(callerIdName, callerIdNumber));
channel.setAccount(account);
channel.stateChanged(dateOfCreation, state);
logger.info("Adding channel " + channel.getName() + "(" + channel.getId() + ")");
if (SLEEP_TIME_BEFORE_GET_VAR > 0) {
long start = System.currentTimeMillis();
long end = start + SLEEP_TIME_BEFORE_GET_VAR;
while (System.currentTimeMillis() < end) {
try {
channel.getVariable(Constants.VARIABLE_TRACE_ID);
} catch (NoSuchChannelException e) {
try {
Thread.sleep(1L);
} catch (InterruptedException intEx) {
Thread.currentThread()
.interrupt();
}
}
}
}
String traceId = getTraceId(channel);
channel.setTraceId(traceId);
addChannel(channel);
// todo getChannelImplById -> LinkedHashMap, callbacks order
traceScheduledExecutorService.schedule(new Runnable() {
@Override
public void run() {
final String traceId = getTraceId(channel);
channel.setTraceId(traceId);
if (traceId != null && (!name.toLowerCase(Locale.ENGLISH)
.startsWith("local/") || name.endsWith(",1") || name.endsWith(";1"))) {
final OriginateCallbackData callbackData =
server.getOriginateCallbackDataByTraceId(traceId);
if (callbackData != null && callbackData.getChannel() == null) {
callbackData.setChannel(channel);
try {
callbackData.getCallback()
.onDialing(channel);
} catch (Throwable t) {
logger.warn("Exception dispatching originate progress. " + channel, t);
} // t
} // i
} // i
}
}, SLEEP_TIME_BEFORE_GET_VAR, TimeUnit.MILLISECONDS);
server.fireNewAsteriskChannel(channel);
return channel;
}// addNewChannel
void handleStatusEvent(StatusEvent event) {
AsteriskChannelImpl channel;
final Extension extension;
boolean isNew = false;
Map variables = event.getVariables();
channel = getChannelImplById(event.getUniqueId());
if (channel == null) {
Date dateOfCreation;
if (event.getSeconds() != null) {
dateOfCreation = new Date(DateUtil.getDate()
.getTime() - (event.getSeconds() * 1000L));
} else {
dateOfCreation = DateUtil.getDate();
}
channel = new AsteriskChannelImpl(server, event.getChannel(), event.getUniqueId(),
dateOfCreation);
isNew = true;
if (variables != null) {
for (Entry variable : variables.entrySet()) {
channel.updateVariable(variable.getKey(), variable.getValue());
}
}
}
if (event.getContext() == null && event.getExtension() == null
&& event.getPriority() == null) {
extension = null;
} else {
extension =
new Extension(event.getContext(), event.getExtension(), event.getPriority());
}
synchronized (channel) {
channel.setCallerId(new CallerId(event.getCallerIdName(), event.getCallerIdNum()));
channel.setAccount(event.getAccountCode());
if (event.getChannelState() != null) {
channel.stateChanged(event.getDateReceived(),
ChannelState.valueOf(event.getChannelState()));
}
channel.extensionVisited(event.getDateReceived(), extension);
if (event.getBridgedChannel() != null) {
final AsteriskChannelImpl linkedChannel =
getChannelImplByName(event.getBridgedChannel());
if (linkedChannel != null) {
// the date used here is not correct!
channel.channelLinked(event.getDateReceived(), linkedChannel);
synchronized (linkedChannel) {
linkedChannel.channelLinked(event.getDateReceived(), channel);
}
}
}
}
if (isNew) {
logger.info("Adding new channel " + channel.getName());
addChannel(channel);
server.fireNewAsteriskChannel(channel);
}
}
/**
* Returns a channel from the ChannelManager's cache with the given name If
* multiple channels are found, returns the most recently CREATED one. If
* two channels with the very same date exist, avoid HUNGUP ones.
*
* @param name
* the name of the requested channel.
* @return the (most recent) channel if found, in any state, or null if none
* found.
*/
AsteriskChannelImpl getChannelImplByName(String name) {
Date dateOfCreation = null;
AsteriskChannelImpl channel = null;
if (name == null) {
return null;
}
synchronized (channels) {
for (AsteriskChannelImpl tmp : channels.values()) {
if (name.equals(tmp.getName())) {
// return the most recent channel or when dates are similar,
// the active one
if (dateOfCreation == null || tmp.getDateOfCreation()
.after(dateOfCreation)
|| (tmp.getDateOfCreation()
.equals(dateOfCreation)
&& tmp.getState() != ChannelState.HUNGUP)) {
channel = tmp;
dateOfCreation = channel.getDateOfCreation();
}
}
}
}
return channel;
}
/**
* Returns a NON-HUNGUP channel from the ChannelManager's cache with the
* given name.
*
* @param name
* the name of the requested channel.
* @return the NON-HUNGUP channel if found, or null if none is found.
*/
AsteriskChannelImpl getChannelImplByNameAndActive(String name) {
// In non bristuffed AST 1.2, we don't have uniqueid header to match the
// channel
// So we must use the channel name
// Channel name is unique at any give moment in the * server
// But asterisk-java keeps Hungup channels for a while.
// We don't want to retrieve hungup channels.
AsteriskChannelImpl channel = null;
if (name == null) {
return null;
}
synchronized (channels) {
for (AsteriskChannelImpl tmp : channels.values()) {
if (name.equals(tmp.getName()) && tmp.getState() != ChannelState.HUNGUP) {
channel = tmp;
}
}
}
return channel;
}
AsteriskChannelImpl getChannelImplById(String uniqueId) {
if (uniqueId == null) {
return null;
}
synchronized (channels) {
return channels.get(uniqueId);
}
}// getChannelImplById
/**
* Returns the other side of a local channel.
* Local channels consist of two sides, like "Local/1234@from-local-60b5,1"
* and "Local/1234@from-local-60b5,2" (for Asterisk 1.4) or
* "Local/1234@from-local-60b5;1" and "Local/1234@from-local-60b5;2" (for
* Asterisk 1.6) this method returns the other side.
*
* @param localChannel
* one side
* @return the other side, or null if not available or if the
* given channel is not a local channel.
*/
AsteriskChannelImpl getOtherSideOfLocalChannel(AsteriskChannel localChannel) {
final String name;
final char num;
if (localChannel == null) {
return null;
}
name = localChannel.getName();
if (name == null || !name.startsWith("Local/") || (name.charAt(name.length() - 2) != ','
&& name.charAt(name.length() - 2) != ';')) {
return null;
}
num = name.charAt(name.length() - 1);
if (num == '1') {
return getChannelImplByName(name.substring(0, name.length() - 1) + "2");
} else if (num == '2') {
return getChannelImplByName(name.substring(0, name.length() - 1) + "1");
} else {
return null;
}
}
void handleNewChannelEvent(NewChannelEvent event) {
final AsteriskChannelImpl channel = getChannelImplById(event.getUniqueId());
if (channel == null) {
if (event.getChannel() == null) {
logger.info("Ignored NewChannelEvent with empty channel name (uniqueId="
+ event.getUniqueId() + ")");
} else {
addNewChannel(event.getUniqueId(), event.getChannel(), event.getDateReceived(),
event.getCallerIdNum(), event.getCallerIdName(),
ChannelState.valueOf(event.getChannelState()), event.getAccountCode());
}
} else {
// channel had already been created probably by a NewCallerIdEvent
synchronized (channel) {
channel.nameChanged(event.getDateReceived(), event.getChannel());
channel.setCallerId(new CallerId(event.getCallerIdName(), event.getCallerIdNum()));
channel.stateChanged(event.getDateReceived(),
ChannelState.valueOf(event.getChannelState()));
}
}
}
void handleNewExtenEvent(NewExtenEvent event) {
AsteriskChannelImpl channel;
final Extension extension;
channel = getChannelImplById(event.getUniqueId());
if (channel == null) {
logger.warn("handleNewExtenEvent: Ignored NewExtenEvent for unknown channel "
+ event.getChannel());
return;
}
extension = new Extension(event.getContext(), event.getExtension(), event.getPriority(),
event.getApplication(), event.getAppData());
synchronized (channel) {
channel.extensionVisited(event.getDateReceived(), extension);
}
}
private void idChanged(AsteriskChannelImpl channel, AbstractChannelEvent event) {
if (channel != null) {
final String oldId = channel.getId();
final String newId = event.getUniqueId();
if (oldId != null && oldId.equals(newId)) {
return;
}
logger.info("Changing unique_id for '" + channel.getName() + "' from " + oldId + " to "
+ newId + " < " + event);
synchronized (channels) {
channels.remove(oldId);
channels.put(newId, channel);
channel.idChanged(event.getDateReceived(), newId);
}
}
}// idChanged
void handleNewStateEvent(NewStateEvent event) {
AsteriskChannelImpl channel = getChannelImplById(event.getUniqueId());
if (channel == null) {
// NewStateEvent can occur for an existing channel that now has a
// different unique id (originate with Local/)
channel = getChannelImplByNameAndActive(event.getChannel());
idChanged(channel, event);
if (channel == null) {
logger.info("Creating new channel due to NewStateEvent '" + event.getChannel()
+ "' unique id " + event.getUniqueId());
// NewStateEvent can occur instead of a NewChannelEvent
channel = addNewChannel(event.getUniqueId(), event.getChannel(),
event.getDateReceived(), event.getCallerIdNum(), event.getCallerIdName(),
ChannelState.valueOf(event.getChannelState()),
null /* account code not available */);
}
}
// NewStateEvent can provide a new CallerIdNum or CallerIdName not
// previously received through a
// NewCallerIdEvent. This happens at least on outgoing legs from the
// queue application to agents.
if (event.getCallerIdNum() != null || event.getCallerIdName() != null) {
String cidnum = "";
String cidname = "";
CallerId currentCallerId = channel.getCallerId();
if (currentCallerId != null) {
cidnum = currentCallerId.getNumber();
cidname = currentCallerId.getName();
}
if (event.getCallerIdNum() != null) {
cidnum = event.getCallerIdNum();
}
if (event.getCallerIdName() != null) {
cidname = event.getCallerIdName();
}
CallerId newCallerId = new CallerId(cidname, cidnum);
logger.debug(
"Updating CallerId (following NewStateEvent) to: " + newCallerId.toString());
channel.setCallerId(newCallerId);
// Also, NewStateEvent can return a new channel name for the same
// channel uniqueid, indicating the channel has been
// renamed but no related RenameEvent has been received.
// This happens with mISDN channels (see AJ-153)
if (event.getChannel() != null && !event.getChannel()
.equals(channel.getName())) {
logger.info("Renaming channel (following NewStateEvent) '" + channel.getName()
+ "' to '" + event.getChannel() + "'");
synchronized (channel) {
channel.nameChanged(event.getDateReceived(), event.getChannel());
}
}
}
if (event.getChannelState() != null) {
synchronized (channel) {
channel.stateChanged(event.getDateReceived(),
ChannelState.valueOf(event.getChannelState()));
}
}
}
void handleNewCallerIdEvent(NewCallerIdEvent event) {
AsteriskChannelImpl channel = getChannelImplById(event.getUniqueId());
if (channel == null) {
// NewCallerIdEvent can occur for an existing channel that now has a
// different unique id (originate with Local/)
channel = getChannelImplByNameAndActive(event.getChannel());
idChanged(channel, event);
if (channel == null) {
// NewCallerIdEvent can occur before NewChannelEvent
channel = addNewChannel(event.getUniqueId(), event.getChannel(),
event.getDateReceived(), event.getCallerIdNum(), event.getCallerIdName(),
ChannelState.DOWN, null /* account code not available */);
}
}
synchronized (channel) {
channel.setCallerId(new CallerId(event.getCallerIdName(), event.getCallerIdNum()));
}
}
void handleHangupEvent(HangupEvent event) {
HangupCause cause = null;
AsteriskChannelImpl channel = getChannelImplById(event.getUniqueId());
if (channel == null) {
logger.warn("handleHangupEvent: Ignored HangupEvent for unknown channel "
+ event.getChannel());
return;
}
if (event.getCause() != null) {
cause = HangupCause.getByCode(event.getCause());
}
synchronized (channel) {
channel.hungup(event.getDateReceived(), cause, event.getCauseTxt());
}
logger.info("Removing channel " + channel.getName() + " due to hangup (" + cause + ")");
removeOldChannels();
}
void handleDialEvent(DialEvent event) {
final AsteriskChannelImpl sourceChannel = getChannelImplById(event.getUniqueId());
final AsteriskChannelImpl destinationChannel = getChannelImplById(event.getDestUniqueId());
if (sourceChannel == null) {
logger.warn("handleDialEvent: Ignored DialEvent for unknown source channel "
+ event.getChannel() + " with unique id " + event.getUniqueId());
return;
}
if (destinationChannel == null) {
if (DialEvent.SUBEVENT_END.equalsIgnoreCase(event.getSubEvent())) {
sourceChannel.updateVariable(AsteriskChannel.VAR_AJ_DIAL_STATUS,
event.getDialStatus());
logger.info("handleDialEvent: Ignored DialEvent for unknown dst channel "
+ event.getDestination() + " with unique_id " + event.getDestUniqueId());
} else {
logger.warn("handleDialEvent: Ignored DialEvent for unknown dst channel "
+ event.getDestination() + " with unique_id " + event.getDestUniqueId());
}
return;
} // i
logger.info(sourceChannel.getName() + " dialed " + destinationChannel.getName());
getTraceId(sourceChannel);
getTraceId(destinationChannel);
synchronized (sourceChannel) {
sourceChannel.channelDialed(event.getDateReceived(), destinationChannel);
}
synchronized (destinationChannel) {
destinationChannel.channelDialing(event.getDateReceived(), sourceChannel);
}
}
void handleBridgeEvent(BridgeEvent event) {
final AsteriskChannelImpl channel1 = getChannelImplById(event.getUniqueId1());
final AsteriskChannelImpl channel2 = getChannelImplById(event.getUniqueId2());
if (channel1 == null) {
logger.warn("handleBridgeEvent: Ignored BridgeEvent for unknown channel "
+ event.getChannel1());
return;
}
if (channel2 == null) {
logger.warn("handleBridgeEvent: Ignored BridgeEvent for unknown channel "
+ event.getChannel2());
return;
}
if (event.isLink()) {
logger.info("Linking channels " + channel1.getName() + " and " + channel2.getName());
synchronized (channel1) {
channel1.channelLinked(event.getDateReceived(), channel2);
}
synchronized (channel2) {
channel2.channelLinked(event.getDateReceived(), channel1);
}
}
if (event.isUnlink()) {
logger.info("Unlinking channels " + channel1.getName() + " and " + channel2.getName());
synchronized (channel1) {
channel1.channelUnlinked(event.getDateReceived());
}
synchronized (channel2) {
channel2.channelUnlinked(event.getDateReceived());
}
}
}
void handleRenameEvent(RenameEvent event) {
AsteriskChannelImpl channel = getChannelImplById(event.getUniqueId());
if (channel == null) {
logger.warn("handleRenameEvent: Ignored RenameEvent for unknown channel with uniqueId "
+ event.getUniqueId());
return;
}
logger.info("Renaming channel '" + channel.getName() + "' to '" + event.getNewname()
+ "', uniqueId is " + event.getUniqueId());
synchronized (channel) {
channel.nameChanged(event.getDateReceived(), event.getNewname());
}
}
void handleCdrEvent(CdrEvent event) {
final AsteriskChannelImpl channel = getChannelImplById(event.getUniqueId());
final AsteriskChannelImpl destinationChannel =
getChannelImplByName(event.getDestinationChannel());
final CallDetailRecordImpl cdr;
if (channel == null) {
logger.info(
"Ignored CdrEvent for unknown channel with uniqueId " + event.getUniqueId());
return;
}
cdr = new CallDetailRecordImpl(channel, destinationChannel, event);
synchronized (channel) {
channel.callDetailRecordReceived(event.getDateReceived(), cdr);
}
}
private String getTraceId(AsteriskChannel channel) {
String traceId;
try {
traceId = channel.getVariable(Constants.VARIABLE_TRACE_ID);
} catch (Exception e) {
traceId = null;
}
// logger.info("TraceId for channel " + channel.getName() + " is " +
// traceId);
return traceId;
}
void handleParkedCallEvent(ParkedCallEvent event) {
// Only bristuffed versions: AsteriskChannelImpl channel =
// getChannelImplById(event.getUniqueId());
AsteriskChannelImpl channel = getChannelImplByNameAndActive(event.getParkeeChannel());
if (channel == null) {
logger.info("Ignored ParkedCallEvent for unknown channel " + event.getParkeeChannel());
return;
}
synchronized (channel) {
// todo The context should be "parkedcalls" or whatever has been
// configured in features.conf
// unfortunately we don't get the context in the ParkedCallEvent so
// for now we'll set it to null.
Extension ext = new Extension(null, event.getExten(), 1);
channel.setParkedAt(ext);
logger.info("Channel " + channel.getName() + " is parked at " + channel.getParkedAt()
.getExtension());
}
}
void handleParkedCallGiveUpEvent(ParkedCallGiveUpEvent event) {
// Only bristuffed versions: AsteriskChannelImpl channel =
// getChannelImplById(event.getUniqueId());
AsteriskChannelImpl channel = getChannelImplByNameAndActive(event.getParkeeChannel());
if (channel == null) {
logger.info("Ignored ParkedCallGiveUpEvent for unknown channel "
+ event.getParkeeChannel());
return;
}
Extension wasParkedAt = channel.getParkedAt();
if (wasParkedAt == null) {
logger.info("Ignored ParkedCallGiveUpEvent as the channel was not parked");
return;
}
synchronized (channel) {
channel.setParkedAt(null);
}
logger.info("Channel " + channel.getName() + " is unparked (GiveUp) from "
+ wasParkedAt.getExtension());
}
void handleParkedCallTimeOutEvent(ParkedCallTimeOutEvent event) {
// Only bristuffed versions: AsteriskChannelImpl channel =
// getChannelImplById(event.getUniqueId());
final AsteriskChannelImpl channel = getChannelImplByNameAndActive(event.getParkeeChannel());
if (channel == null) {
logger.info("Ignored ParkedCallTimeOutEvent for unknown channel "
+ event.getParkeeChannel());
return;
}
Extension wasParkedAt = channel.getParkedAt();
if (wasParkedAt == null) {
logger.info("Ignored ParkedCallTimeOutEvent as the channel was not parked");
return;
}
synchronized (channel) {
channel.setParkedAt(null);
}
logger.info("Channel " + channel.getName() + " is unparked (Timeout) from "
+ wasParkedAt.getExtension());
}
void handleUnparkedCallEvent(UnparkedCallEvent event) {
// Only bristuffed versions: AsteriskChannelImpl channel =
// getChannelImplById(event.getUniqueId());
final AsteriskChannelImpl channel = getChannelImplByNameAndActive(event.getParkeeChannel());
if (channel == null) {
logger.info(
"Ignored UnparkedCallEvent for unknown channel " + event.getParkeeChannel());
return;
}
Extension wasParkedAt = channel.getParkedAt();
if (wasParkedAt == null) {
logger.info("Ignored UnparkedCallEvent as the channel was not parked");
return;
}
synchronized (channel) {
channel.setParkedAt(null);
}
logger.info("Channel " + channel.getName() + " is unparked (moved away) from "
+ wasParkedAt.getExtension());
}
void handleVarSetEvent(VarSetEvent event) {
if (event.getUniqueId() == null) {
return;
}
final AsteriskChannelImpl channel = getChannelImplById(event.getUniqueId());
if (channel == null) {
logger.info(
"Ignored VarSetEvent for unknown channel with uniqueId " + event.getUniqueId());
return;
}
synchronized (channel) {
channel.updateVariable(event.getVariable(), event.getValue());
}
}
void handleDtmfEvent(DtmfEvent event) {
// we are only intrested in END events
if (event.isBegin()) {
return;
}
if (event.getUniqueId() == null) {
return;
}
final AsteriskChannelImpl channel = getChannelImplById(event.getUniqueId());
if (channel == null) {
logger.info(
"Ignored DtmfEvent for unknown channel with uniqueId " + event.getUniqueId());
return;
}
final Character dtmfDigit;
if (event.getDigit() == null || event.getDigit()
.length() < 1) {
dtmfDigit = null;
} else {
dtmfDigit = event.getDigit()
.charAt(0);
}
synchronized (channel) {
if (event.isReceived()) {
channel.dtmfReceived(dtmfDigit);
}
if (event.isSent()) {
channel.dtmfSent(dtmfDigit);
}
}
}
void handleMonitorStartEvent(MonitorStartEvent event) {
final AsteriskChannelImpl channel = getChannelImplByNameAndActive(event.getChannel());
if (channel == null) {
logger.info("Ignored MonitorStartEvent for unknown channel " + event.getChannel());
return;
}
boolean isMonitored = channel.isMonitored();
if (isMonitored) {
logger.info("Ignored MonitorStartEvent as the channel was already monitored");
return;
}
synchronized (channel) {
channel.setMonitored(true);
}
logger.info("Channel " + channel.getName() + " is monitored");
}
void handleMonitorStopEvent(MonitorStopEvent event) {
final AsteriskChannelImpl channel = getChannelImplByNameAndActive(event.getChannel());
if (channel == null) {
logger.info("Ignored MonitorStopEvent for unknown channel " + event.getChannel());
return;
}
boolean isMonitored = channel.isMonitored();
if (!isMonitored) {
logger.info("Ignored MonitorStopEvent as the channel was not monitored");
return;
}
synchronized (channel) {
channel.setMonitored(false);
}
logger.info("Channel " + channel.getName() + " is not monitored");
}
}
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