public boolean trySendOnSharedLine(String message, long timeout, TimeUnit unit)
throws InterruptedException {
long nanosToLock = unit.toNanos(timeout) - estimatedNanosToSend(message);
if (!lock.tryLock(nanosToLock, NANOSECONDS)) return false;
try {
return sendOnSharedLine(message);
} finally {
lock.unlock();
}
}
public void startSession(String id, PrintWriter writer) {
SlaveBrowser browser = capturedBrowsers.getBrowser(id);
Lock lock = locks.get(id);
String sessionId = UUID.randomUUID().toString();
if (lock.tryLock(sessionId)) {
writer.write(sessionId);
} else {
// session is probably staled
if ((!browser.isCommandRunning() && browser.peekCommand() == null)
|| ((new Date().getTime() - lock.getLastHeartBeat()) > HEARTBEAT_TIMEOUT)) {
lock.forceUnlock();
SlaveBrowser slaveBrowser = capturedBrowsers.getBrowser(id);
slaveBrowser.clearCommandRunning();
slaveBrowser.clearResponseQueue();
filesCache.clear();
writer.write(lock.tryLock(sessionId) ? sessionId : "FAILED");
} else {
writer.write("FAILED");
}
}
writer.flush();
}