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46bd4d0047
when they're closed to prevent attempting to write replies to the wrong device should the socket be reopened.
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
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/*
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* Copyright 2013 by Eric House (xwords@eehouse.org). All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _UDPQUEUE_H_
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#define _UDPQUEUE_H_
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#include <pthread.h>
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#include <deque>
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#include <map>
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#include "xwrelay_priv.h"
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#include "addrinfo.h"
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using namespace std;
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class UdpThreadClosure;
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typedef void (*QueueCallback)( UdpThreadClosure* closure );
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class UdpThreadClosure {
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public:
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UdpThreadClosure( const AddrInfo* addr, unsigned char* buf,
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int len, QueueCallback cb )
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: m_buf(new unsigned char[len])
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, m_len(len)
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, m_addr(*addr)
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, m_cb(cb)
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, m_created(time( NULL ))
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{
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memcpy( m_buf, buf, len );
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}
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~UdpThreadClosure() { delete m_buf; }
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const unsigned char* buf() const { return m_buf; }
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int len() const { return m_len; }
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const AddrInfo::AddrUnion* saddr() const { return m_addr.saddr(); }
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const AddrInfo* addr() const { return &m_addr; }
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void noteDequeued() { m_dequed = time( NULL ); }
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void logStats();
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const QueueCallback cb() const { return m_cb; }
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void setID( int id ) { m_id = id; }
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int getID( void ) { return m_id; }
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void invalSocket() { m_addr.invalSocket(); }
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private:
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unsigned char* m_buf;
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int m_len;
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AddrInfo m_addr;
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QueueCallback m_cb;
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time_t m_created;
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time_t m_dequed;
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int m_id;
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};
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class UdpQueue {
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public:
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static UdpQueue* get();
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UdpQueue();
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~UdpQueue();
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bool handle( const AddrInfo* addr, QueueCallback cb );
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void handle( const AddrInfo* addr, unsigned char* buf, int len,
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QueueCallback cb );
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void forgetSocket( const AddrInfo* addr );
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private:
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static void* thread_main_static( void* closure );
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void* thread_main();
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pthread_mutex_t m_queueMutex;
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pthread_cond_t m_queueCondVar;
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deque<UdpThreadClosure*> m_queue;
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map<int, vector<UdpThreadClosure*> > m_bySocket;
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int m_nextID;
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};
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#endif
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