private boolean scheduleIdleTimeout(IChannel channel) {
final int timeout = m_conf.sessionIdleTimeoutInSeconds();
if (timeout > 0) return channel.scheduleIdleTimeout(timeout);
if (timeout == 0) channel.close();
return true;
}
@Override
public void onChannelException(IChannel channel, Throwable t) {
try {
c_logger.error(
StrUtil.join(channel, "(remoteAddr=", channel.remoteAddress(), ") got an error"), t);
final ISessionListener<I, O> listener = m_listener;
if (listener != null) listener.onSessionException(channel, t);
} catch (Throwable e) {
c_logger.error(
StrUtil.join(channel, "(remoteAddr=", channel.remoteAddress(), ") Unexpected Error: "),
e);
} finally {
channel.close();
}
}
@Override
public void onChannelClosed(IChannel channel) {
c_logger.debug("{}(remoteAddr={}): CLOSED", channel, channel.remoteAddress());
final ConcurrentHashMap<Long, IChannel> channels = m_channels;
if (channels != null) channels.remove(channel.id());
final ISessionListener<I, O> listener = m_listener;
if (listener != null) {
try {
listener.onSessionClosed(channel);
} catch (Throwable t) {
c_logger.error(
StrUtil.join(channel, "(remoteAddr=", channel.remoteAddress(), ") Unexpected Error: "),
t);
}
}
}
@Override
public void onChannelOpened(IChannel channel) {
c_logger.debug("{}(remoteAddr={}): OPENED", channel, channel.remoteAddress());
final Long id = channel.id();
final ConcurrentHashMap<Long, IChannel> channels = m_channels;
if (channels != null) channels.put(id, channel);
if (m_stopped) {
channel.close();
return;
}
// failed to schedule, channel has been closed
if (!scheduleIdleTimeout(channel)) return;
final ISessionListener<I, O> listener = m_listener;
if (listener != null) listener.onSessionOpened(channel);
}
@Override
public void onChannelIdleTimedOut(IChannel channel) {
try {
c_logger.debug("{}: IDLE_TIMEOUT", channel);
final ISessionListener<I, O> listener = m_listener;
if (listener != null) listener.onSessionIdleTimedOut(channel);
} finally {
channel.close();
}
}
@Override
public void write(ISession session, O msg) {
final ConcurrentHashMap<Long, IChannel> channels = m_channels;
if (channels == null) return;
final IChannel channel = channels.get(session.id());
if (channel != null) {
channel.write(msg);
return;
}
final Object remoteAddr = session.remoteAddress();
c_logger.warn(
StrUtil.join(
session,
"(remoteAddr=",
remoteAddr,
") failed to send(channel closed): ",
StrUtil.getLineSeparator(),
msg));
if (msg instanceof AutoCloseable) {
try {
((AutoCloseable) msg).close();
} catch (Throwable t) {
c_logger.error(
StrUtil.join(
session,
"(remoteAddr=",
remoteAddr,
") failed to close message: ",
StrUtil.getLineSeparator(),
msg),
t);
}
}
}
private void closeChannels() {
final Collection<IChannel> channels = m_channels.values();
for (final IChannel channel : channels) channel.close();
}
@Override
public void closeSession(ISession session) {
((IChannel) session).close();
}