public void start() throws Exception {
if (reaper != null) {
reaper.start();
}
}
public SocketBase createSocket(int type) {
SocketBase s = null;
slotSync.lock();
try {
if (starting.compareAndSet(true, false)) {
// Initialize the array of mailboxes. Additional three slots are for
// zmq_term thread and reaper thread.
int mazmq;
int ios;
optSync.lock();
try {
mazmq = maxSockets;
ios = ioThreadCount;
} finally {
optSync.unlock();
}
slotCount = mazmq + ios + 2;
slots = new Mailbox[slotCount];
// alloc_assert (slots);
// Initialize the infrastructure for zmq_term thread.
slots[TERM_TID] = termMailbox;
// Create the reaper thread.
reaper = new Reaper(this, REAPER_TID);
// alloc_assert (reaper);
slots[REAPER_TID] = reaper.getMailbox();
reaper.start();
// Create I/O thread objects and launch them.
for (int i = 2; i != ios + 2; i++) {
IOThread ioThread = new IOThread(this, i);
// alloc_assert (io_thread);
ioThreads.add(ioThread);
slots[i] = ioThread.getMailbox();
ioThread.start();
}
// In the unused part of the slot array, create a list of empty slots.
for (int i = (int) slotCount - 1; i >= (int) ios + 2; i--) {
emptySlots.add(i);
slots[i] = null;
}
}
// Once zmq_term() was called, we can't create new sockets.
if (terminating) {
throw new ZError.CtxTerminatedException();
}
// If maxSockets limit was reached, return error.
if (emptySlots.isEmpty()) {
throw new IllegalStateException("EMFILE");
}
// Choose a slot for the socket.
int slot = emptySlots.pollLast();
// Generate new unique socket ID.
int sid = maxSocketId.incrementAndGet();
// Create the socket and register its mailbox.
s = SocketBase.create(type, this, slot, sid);
if (s == null) {
emptySlots.addLast(slot);
return null;
}
sockets.add(s);
slots[slot] = s.getMailbox();
} finally {
slotSync.unlock();
}
return s;
}
