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/*
Copyright (c) 2007-2009 FastMQ Inc.
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 "i_thread.hpp"
#include "stdint.hpp"
#include "object.hpp"
#include "ypollset.hpp"
namespace zmq
{
class app_thread_t : public object_t, public i_thread
{
public:
app_thread_t (class dispatcher_t *dispatcher_, int thread_slot_);
// To be called when the whole infrastrucure is being closed.
void shutdown ();
// Returns signaler associated with this application thread.
i_signaler *get_signaler ();
// Create socket engine in this thread. Return false if the calling
// thread doesn't match the thread handled by this app thread object.
struct i_api *create_socket (int type_);
// Nota bene: The following two functions are accessed from different
// threads. The caller (dispatcher) is responsible for synchronisation
// of accesses.
// Returns true is current thread is associated with the app thread.
bool is_current ();
// Tries to associate current thread with the app thread object.
// Returns true is successfull, false otherwise.
bool make_current ();
// Processes commands sent to this thread (if any). If 'block' is
// set to true, returns only after at least one command was processed.
void process_commands (bool block_);
// i_thread implementation.
void attach_session (class session_t *session_);
void detach_session (class session_t *session_);
struct i_poller *get_poller ();
private:
// Clean-up.
~app_thread_t ();
// Thread ID associated with this slot.
// TODO: Virtualise pid_t!
// TODO: Check whether getpid returns unique ID for each thread.
int tid;
// Vector of all sessionss associated with this app thread.
typedef std::vector <class session_t*> sessions_t;
sessions_t sessions;
// App thread's signaler object.
ypollset_t pollset;
// Timestamp of when commands were processed the last time.
uint64_t last_processing_time;
app_thread_t (const app_thread_t&);
void operator = (const app_thread_t&);
};
}
#endif
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