dispatcher_t class renamed to ctx_t

1 files changed, 0 insertions, 316 deletions

diff --git a/src/dispatcher.cpp b/src/dispatcher.cpp
deleted file mode 100644
index 2ae99ba..0000000
--- a/src/dispatcher.cpp
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
-    Copyright (c) 2007-2010 iMatix Corporation
-
-    This file is part of 0MQ.
-
-    0MQ is free software; you can redistribute it and/or modify it under
-    the terms of the Lesser GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    0MQ is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    Lesser GNU General Public License for more details.
-
-    You should have received a copy of the Lesser GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <new>
-#include <string.h>
-
-#include "../include/zmq.h"
-
-#include "dispatcher.hpp"
-#include "socket_base.hpp"
-#include "app_thread.hpp"
-#include "io_thread.hpp"
-#include "platform.hpp"
-#include "err.hpp"
-#include "pipe.hpp"
-
-#if defined ZMQ_HAVE_WINDOWS
-#include "windows.h"
-#endif
-
-zmq::dispatcher_t::dispatcher_t (uint32_t io_threads_) :
-    sockets (0),
-    terminated (false)
-{
-#ifdef ZMQ_HAVE_WINDOWS
-    //  Intialise Windows sockets. Note that WSAStartup can be called multiple
-    //  times given that WSACleanup will be called for each WSAStartup.
-    WORD version_requested = MAKEWORD (2, 2);
-    WSADATA wsa_data;
-    int rc = WSAStartup (version_requested, &wsa_data);
-    zmq_assert (rc == 0);
-    zmq_assert (LOBYTE (wsa_data.wVersion) == 2 &&
-        HIBYTE (wsa_data.wVersion) == 2);
-#endif
-
-    //  Initialise the array of signalers.
-    signalers_count = max_app_threads + io_threads_;
-    signalers = (signaler_t**) malloc (sizeof (signaler_t*) * signalers_count);
-    zmq_assert (signalers);
-    memset (signalers, 0, sizeof (signaler_t*) * signalers_count);
-
-    //  Create I/O thread objects and launch them.
-    for (uint32_t i = 0; i != io_threads_; i++) {
-        io_thread_t *io_thread = new (std::nothrow) io_thread_t (this, i);
-        zmq_assert (io_thread);
-        io_threads.push_back (io_thread);
-        signalers [i] = io_thread->get_signaler ();
-        io_thread->start ();
-    }
-}
-
-int zmq::dispatcher_t::term ()
-{
-    //  First send stop command to application threads so that any
-    //  blocking calls are interrupted.
-    for (app_threads_t::size_type i = 0; i != app_threads.size (); i++)
-        app_threads [i].app_thread->stop ();
-
-    //  Then mark context as terminated.
-    term_sync.lock ();
-    zmq_assert (!terminated);
-    terminated = true;
-    bool destroy = (sockets == 0);
-    term_sync.unlock ();
-    
-    //  If there are no sockets open, destroy the context immediately.
-    if (destroy)
-        delete this;
-
-    return 0;
-}
-
-zmq::dispatcher_t::~dispatcher_t ()
-{
-    //  Ask I/O threads to terminate. If stop signal wasn't sent to I/O
-    //  thread subsequent invocation of destructor would hang-up.
-    for (io_threads_t::size_type i = 0; i != io_threads.size (); i++)
-        io_threads [i]->stop ();
-
-    //  Wait till I/O threads actually terminate.
-    for (io_threads_t::size_type i = 0; i != io_threads.size (); i++)
-        delete io_threads [i];
-
-    //  Close all application theads, sockets, io_objects etc.
-    for (app_threads_t::size_type i = 0; i != app_threads.size (); i++)
-        delete app_threads [i].app_thread;
-
-    //  Deallocate all the orphaned pipes.
-    while (!pipes.empty ())
-        delete *pipes.begin ();
-
-    //  Deallocate the array of pointers to signalers. No special work is
-    //  needed as signalers themselves were deallocated with their
-    //  corresponding (app_/io_) thread objects.
-    free (signalers);
-    
-#ifdef ZMQ_HAVE_WINDOWS
-    //  On Windows, uninitialise socket layer.
-    int rc = WSACleanup ();
-    wsa_assert (rc != SOCKET_ERROR);
-#endif
-}
-
-zmq::socket_base_t *zmq::dispatcher_t::create_socket (int type_)
-{
-    app_threads_sync.lock ();
-
-    //  Find whether the calling thread has app_thread_t object associated
-    //  already. At the same time find an unused app_thread_t so that it can
-    //  be used if there's no associated object for the calling thread.
-    //  Check whether thread ID is already assigned. If so, return it.
-    app_threads_t::size_type unused = app_threads.size ();
-    app_threads_t::size_type current;
-    for (current = 0; current != app_threads.size (); current++) {
-        if (app_threads [current].associated &&
-              thread_t::equal (thread_t::id (), app_threads [current].tid))
-            break;
-        if (!app_threads [current].associated)
-            unused = current;
-    }
-
-    //  If no app_thread_t is associated with the calling thread,
-    //  associate it with one of the unused app_thread_t objects.
-    if (current == app_threads.size ()) {
-
-        //  If all the existing app_threads are already used, create one more.
-        if (unused == app_threads.size ()) {
-
-            //  If max_app_threads limit was reached, return error.
-            if (app_threads.size () == max_app_threads) {
-                app_threads_sync.unlock ();
-                errno = EMTHREAD;
-                return NULL;
-            }
-
-            //  Create the new application thread proxy object.
-            app_thread_info_t info;
-            info.associated = false;
-            info.app_thread = new (std::nothrow) app_thread_t (this,
-                io_threads.size () + app_threads.size ());
-            zmq_assert (info.app_thread);
-            signalers [io_threads.size () + app_threads.size ()] =
-                info.app_thread->get_signaler ();
-            app_threads.push_back (info);
-        }
-
-        //  Incidentally, this works both when there is an unused app_thread
-        //  and when a new one is created.
-        current = unused;
-
-        //  Associate the selected app_thread with the OS thread.
-        app_threads [current].associated = true;
-        app_threads [current].tid = thread_t::id ();
-    }
-
-    app_thread_t *thread = app_threads [current].app_thread;
-    app_threads_sync.unlock ();
-
-    socket_base_t *s = thread->create_socket (type_);
-    if (!s)
-        return NULL;
-
-    term_sync.lock ();
-    sockets++;
-    term_sync.unlock ();
-
-    return s;
-}
-
-void zmq::dispatcher_t::destroy_socket ()
-{
-    //  If zmq_term was already called and there are no more sockets,
-    //  terminate the whole 0MQ infrastructure.
-    term_sync.lock ();
-    zmq_assert (sockets > 0);
-    sockets--;
-    bool destroy = (sockets == 0 && terminated);
-    term_sync.unlock ();
-
-    if (destroy)
-       delete this;
-}
-
-void zmq::dispatcher_t::no_sockets (app_thread_t *thread_)
-{
-    app_threads_sync.lock ();
-    app_threads_t::size_type i;
-    for (i = 0; i != app_threads.size (); i++)
-        if (app_threads [i].app_thread == thread_) {
-            app_threads [i].associated = false;
-            break;
-        }
-    zmq_assert (i != app_threads.size ());
-    app_threads_sync.unlock ();
-}
-
-void zmq::dispatcher_t::send_command (uint32_t destination_,
-    const command_t &command_)
-{
-    signalers [destination_]->send (command_);
-}
-
-bool zmq::dispatcher_t::recv_command (uint32_t thread_slot_,
-    command_t *command_, bool block_)
-{
-    return signalers [thread_slot_]->recv (command_, block_);
-}
-
-zmq::io_thread_t *zmq::dispatcher_t::choose_io_thread (uint64_t affinity_)
-{
-    //  Find the I/O thread with minimum load.
-    zmq_assert (io_threads.size () > 0);
-    int min_load = -1;
-    io_threads_t::size_type result = 0;
-    for (io_threads_t::size_type i = 0; i != io_threads.size (); i++) {
-        if (!affinity_ || (affinity_ & (uint64_t (1) << i))) {
-            int load = io_threads [i]->get_load ();
-            if (min_load == -1 || load < min_load) {
-                min_load = load;
-                result = i;
-            }
-        }
-    }
-    zmq_assert (min_load != -1);
-    return io_threads [result];
-}
-
-void zmq::dispatcher_t::register_pipe (class pipe_t *pipe_)
-{
-    pipes_sync.lock ();
-    bool inserted = pipes.insert (pipe_).second;
-    zmq_assert (inserted);
-    pipes_sync.unlock ();
-}
-
-void zmq::dispatcher_t::unregister_pipe (class pipe_t *pipe_)
-{
-    pipes_sync.lock ();
-    pipes_t::size_type erased = pipes.erase (pipe_);
-    zmq_assert (erased == 1);
-    pipes_sync.unlock ();
-}
-
-int zmq::dispatcher_t::register_endpoint (const char *addr_,
-    socket_base_t *socket_)
-{
-    endpoints_sync.lock ();
-
-    bool inserted = endpoints.insert (std::make_pair (std::string (addr_),
-        socket_)).second;
-    if (!inserted) {
-        errno = EADDRINUSE;
-        endpoints_sync.unlock ();
-        return -1;
-    }
-
-    endpoints_sync.unlock ();
-    return 0;
-}
-
-void zmq::dispatcher_t::unregister_endpoints (socket_base_t *socket_)
-{
-    endpoints_sync.lock ();
-
-    endpoints_t::iterator it = endpoints.begin ();
-    while (it != endpoints.end ()) {
-        if (it->second == socket_) {
-            endpoints_t::iterator to_erase = it;
-            it++;
-            endpoints.erase (to_erase);
-            continue;
-        }
-        it++;
-    }
-        
-    endpoints_sync.unlock ();
-}
-
-zmq::socket_base_t *zmq::dispatcher_t::find_endpoint (const char *addr_)
-{
-     endpoints_sync.lock ();
-
-     endpoints_t::iterator it = endpoints.find (addr_);
-     if (it == endpoints.end ()) {
-         endpoints_sync.unlock ();
-         errno = ECONNREFUSED;
-         return NULL;
-     }
-     socket_base_t *endpoint = it->second;
-
-     //  Increment the command sequence number of the peer so that it won't
-     //  get deallocated until "bind" command is issued by the caller.
-     //  The subsequent 'bind' has to be called with inc_seqnum parameter
-     //  set to false, so that the seqnum isn't incremented twice.
-     endpoint->inc_seqnum ();
-
-     endpoints_sync.unlock ();
-     return endpoint;
-}
-