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authorMartin Lucina <martin@lucina.net>2012-01-23 08:53:19 +0100
committerMartin Lucina <martin@lucina.net>2012-01-23 08:53:19 +0100
commita15854bd92db69fcd0b4444fe1b8fe3610a7acf6 (patch)
tree1214b945d0f0033ff318de367c70525ea141ef56 /src/app_thread.hpp
Imported Upstream version 2.0.7.dfsgupstream/2.0.7.dfsg
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+/*
+ 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/>.
+*/
+
+#ifndef __ZMQ_APP_THREAD_HPP_INCLUDED__
+#define __ZMQ_APP_THREAD_HPP_INCLUDED__
+
+#include <vector>
+
+#include "stdint.hpp"
+#include "object.hpp"
+#include "yarray.hpp"
+#include "signaler.hpp"
+
+namespace zmq
+{
+
+ class app_thread_t : public object_t
+ {
+ public:
+
+ app_thread_t (class ctx_t *ctx_, uint32_t thread_slot_);
+
+ ~app_thread_t ();
+
+ // Interrupt blocking call if the app thread is stuck in one.
+ // This function is is called from a different thread!
+ void stop ();
+
+ // Returns signaler associated with this application thread.
+ signaler_t *get_signaler ();
+
+ // Processes commands sent to this thread (if any). If 'block' is
+ // set to true, returns only after at least one command was processed.
+ // If throttle argument is true, commands are processed at most once
+ // in a predefined time period. The function returns false is the
+ // associated context was terminated, true otherwise.
+ bool process_commands (bool block_, bool throttle_);
+
+ // Create a socket of a specified type.
+ class socket_base_t *create_socket (int type_);
+
+ // Unregister the socket from the app_thread (called by socket itself).
+ void remove_socket (class socket_base_t *socket_);
+
+ // Returns true is the associated context was already terminated.
+ bool is_terminated ();
+
+ private:
+
+ // Command handlers.
+ void process_stop ();
+
+ // All the sockets created from this application thread.
+ typedef yarray_t <socket_base_t> sockets_t;
+ sockets_t sockets;
+
+ // App thread's signaler object.
+ signaler_t signaler;
+
+ // Timestamp of when commands were processed the last time.
+ uint64_t last_processing_time;
+
+ // If true, 'stop' command was already received.
+ bool terminated;
+
+ app_thread_t (const app_thread_t&);
+ void operator = (const app_thread_t&);
+ };
+
+}
+
+#endif