/**
* Returns a collection of all active AsteriskChannels.
*
* @return a collection of all active AsteriskChannels.
*/
Collection<AsteriskChannel> getChannels() {
Collection<AsteriskChannel> copy;
synchronized (channels) {
copy = new ArrayList<AsteriskChannel>(channels.size() + 2);
for (AsteriskChannel channel : channels) {
if (channel.getState() != ChannelState.HUNGUP) {
copy.add(channel);
}
}
}
return copy;
}
/**
* Returns the other side of a local channel.
*
* <p>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 <code>null</code> 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;
}
}
/** Removes channels that have been hung more than {@link #REMOVAL_THRESHOLD} milliseconds. */
private void removeOldChannels() {
Iterator<AsteriskChannelImpl> i;
synchronized (channels) {
i = channels.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 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;
}