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4ecb0f534d
they're acked. (This is the goal for all messages sent via UDP, but will be harder elsewhere in the code.)
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
/* -*- compile-command: "make MEMDEBUG=TRUE -j3"; -*- */
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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) any later version.
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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 _UDPACK_H_
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#define _UDPACK_H_
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#include "xwrelay_priv.h"
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#include "xwrelay.h"
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typedef void (*OnAckProc)( bool acked, uint32_t packetID, void* data );
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class AckRecord {
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public:
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AckRecord() { m_createTime = time( NULL ); proc = NULL; }
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time_t m_createTime;
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OnAckProc proc;
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void* data;
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};
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class UDPAckTrack {
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public:
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static uint32_t nextPacketID( XWRelayReg cmd );
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static void recordAck( uint32_t packetID );
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static void setOnAck( OnAckProc proc, uint32_t packetID, void* data );
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static bool shouldAck( XWRelayReg cmd );
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private:
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static UDPAckTrack* get();
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static void* thread_main( void* arg );
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UDPAckTrack();
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uint32_t nextPacketIDImpl();
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void recordAckImpl( uint32_t packetID );
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void setOnAckImpl( OnAckProc proc, uint32_t packetID, void* data );
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void callProc( uint32_t packetID, bool acked, const AckRecord* record );
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void* threadProc();
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static UDPAckTrack* s_self;
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uint32_t m_nextID;
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pthread_mutex_t m_mutex;
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map<uint32_t, AckRecord> m_pendings;
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};
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#endif
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