Esempio n. 1
0
        public SocketBase CreateSocket(ZmqSocketType type)
        {
            SocketBase s = null;

            lock (m_slotSync)
            {
                if (m_starting)
                {
                    m_starting = false;
                    //  Initialise the array of mailboxes. Additional three slots are for
                    //  zmq_term thread and reaper thread.

                    int ios;
                    int mazmq;

                    lock (m_optSync)
                    {
                        mazmq = m_maxSockets;
                        ios   = m_ioThreadCount;
                    }
                    m_slotCount = mazmq + ios + 2;
                    m_slots     = new Mailbox[m_slotCount];
                    //alloc_Debug.Assert(slots);

                    //  Initialise the infrastructure for zmq_term thread.
                    m_slots[TermTid] = m_termMailbox;

                    //  Create the reaper thread.
                    m_reaper = new Reaper(this, ReaperTid);
                    //alloc_Debug.Assert(reaper);
                    m_slots[ReaperTid] = m_reaper.Mailbox;
                    m_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_Debug.Assert(io_thread);
                        m_ioThreads.Add(ioThread);
                        m_slots[i] = ioThread.Mailbox;
                        ioThread.Start();
                    }

                    //  In the unused part of the slot array, create a list of empty slots.
                    for (int i = (int)m_slotCount - 1;
                         i >= (int)ios + 2; i--)
                    {
                        m_emptySlots.Push(i);
                        m_slots[i] = null;
                    }
                }

                //  Once zmq_term() was called, we can't create new sockets.
                if (m_terminating)
                {
                    throw TerminatingException.Create();
                }

                //  If max_sockets limit was reached, return error.
                if (m_emptySlots.Count == 0)
                {
                    throw NetMQException.Create(ErrorCode.EMFILE);
                }

                //  Choose a slot for the socket.
                int slot = m_emptySlots.Pop();

                //  Generate new unique socket ID.
                int sid = Interlocked.Increment(ref s_maxSocketId);

                //  Create the socket and register its mailbox.
                s = SocketBase.Create(type, this, slot, sid);
                if (s == null)
                {
                    m_emptySlots.Push(slot);
                    return(null);
                }
                m_sockets.Add(s);
                m_slots[slot] = s.Mailbox;

                //LOG.debug("NEW Slot [" + slot + "] " + s);
            }

            return(s);
        }
Esempio n. 2
0
        public SocketBase CreateSocket(ZmqSocketType type)
        {
            lock (m_slotSync)
            {
                if (m_starting)
                {
                    m_starting = false;
                    //  Initialise the array of mailboxes. Additional three slots are for
                    //  zmq_term thread and reaper thread.

                    int ios;
                    int mazmq;

                    lock (m_optSync)
                    {
                        mazmq = m_maxSockets;
                        ios   = m_ioThreadCount;
                    }
                    m_slotCount = mazmq + ios + 2;
                    m_slots     = new IMailbox[m_slotCount];
                    //alloc_Debug.Assert(slots);

                    //  Initialise the infrastructure for zmq_term thread.
                    m_slots[TermTid] = m_termMailbox;

                    //  Create the reaper thread.
                    m_reaper = new Reaper(this, ReaperTid);
                    //alloc_Debug.Assert(reaper);
                    m_slots[ReaperTid] = m_reaper.Mailbox;
                    m_reaper.Start();

                    //  Create I/O thread objects and launch them.
                    for (int i = 2; i != ios + 2; i++)
                    {
                        var ioThread = new IOThread(this, i);
                        //alloc_Debug.Assert(io_thread);
                        m_ioThreads.Add(ioThread);
                        m_slots[i] = ioThread.Mailbox;
                        ioThread.Start();
                    }

                    //  In the unused part of the slot array, create a list of empty slots.
                    for (int i = m_slotCount - 1; i >= ios + 2; i--)
                    {
                        m_emptySlots.Push(i);
                        m_slots[i] = null;
                    }
                }

                //  Once zmq_term() was called, we can't create new sockets.
                if (m_terminating)
                {
                    string xMsg = String.Format("Ctx.CreateSocket({0}), cannot create new socket while terminating.", type);
                    throw new TerminatingException(innerException: null, message: xMsg);
                }

                //  If max_sockets limit was reached, return error.
                if (m_emptySlots.Count == 0)
                {
#if DEBUG
                    string xMsg = String.Format("Ctx.CreateSocket({0}), max number of sockets {1} reached.", type, m_maxSockets);
                    throw NetMQException.Create(xMsg, ErrorCode.TooManyOpenSockets);
#else
                    throw NetMQException.Create(ErrorCode.TooManyOpenSockets);
#endif
                }

                //  Choose a slot for the socket.
                int slot = m_emptySlots.Pop();

                //  Generate new unique socket ID.
                int socketId = Interlocked.Increment(ref s_maxSocketId);

                //  Create the socket and register its mailbox.
                SocketBase s = SocketBase.Create(type, this, slot, socketId);

                m_sockets.Add(s);
                m_slots[slot] = s.Mailbox;

                //LOG.debug("NEW Slot [" + slot + "] " + s);

                return(s);
            }
        }