103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file connectionWriter.h
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* @author drose
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* @date 2000-02-08
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*/
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#ifndef CONNECTIONWRITER_H
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#define CONNECTIONWRITER_H
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#include "pandabase.h"
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#include "datagramQueue.h"
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#include "connection.h"
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#include "pointerTo.h"
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#include "thread.h"
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#include "pvector.h"
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class ConnectionManager;
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class NetAddress;
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/**
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* This class handles threaded delivery of datagrams to various TCP or UDP
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* sockets.
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*
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* A ConnectionWriter may define an arbitrary number of threads (0 or more) to
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* write its datagrams to sockets. The number of threads is specified at
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* construction time and cannot be changed.
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*/
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class EXPCL_PANDA_NET ConnectionWriter {
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PUBLISHED:
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explicit ConnectionWriter(ConnectionManager *manager, int num_threads,
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const std::string &thread_name = std::string());
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~ConnectionWriter();
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void set_max_queue_size(int max_size);
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int get_max_queue_size() const;
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int get_current_queue_size() const;
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BLOCKING bool send(const Datagram &datagram,
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const PT(Connection) &connection,
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bool block = false);
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BLOCKING bool send(const Datagram &datagram,
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const PT(Connection) &connection,
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const NetAddress &address,
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bool block = false);
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bool is_valid_for_udp(const Datagram &datagram) const;
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ConnectionManager *get_manager() const;
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bool is_immediate() const;
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int get_num_threads() const;
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void set_raw_mode(bool mode);
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bool get_raw_mode() const;
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void set_tcp_header_size(int tcp_header_size);
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int get_tcp_header_size() const;
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void shutdown();
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protected:
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void clear_manager();
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private:
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void thread_run(int thread_index);
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bool send_datagram(const NetDatagram &datagram);
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protected:
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ConnectionManager *_manager;
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private:
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bool _raw_mode;
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int _tcp_header_size;
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DatagramQueue _queue;
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bool _shutdown;
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class WriterThread : public Thread {
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public:
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WriterThread(ConnectionWriter *writer, const std::string &thread_name,
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int thread_index);
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virtual void thread_main();
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ConnectionWriter *_writer;
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int _thread_index;
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};
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typedef pvector< PT(WriterThread) > Threads;
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Threads _threads;
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bool _immediate;
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friend class ConnectionManager;
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friend class WriterThread;
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};
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#endif
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