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git://xwords.git.sourceforge.net/gitroot/xwords/xwords
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87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/* -*- compile-command: "make -j3"; -*- */
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/*
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* Copyright 2013 - 2018 by Eric House (xwords@eehouse.org). All rights
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* 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 <stdio.h>
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#include "xwrelay_priv.h"
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#include "xwrelay.h"
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#include "strwpf.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( XWRelayReg cmd, uint32_t id ) {
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m_createTime = time( NULL );
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m_proc = NULL;
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m_cmd = cmd;
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m_id = id;
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}
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string toStr()
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{
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char buf[64];
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sprintf( buf, "%d/%s", m_id, msgToStr( m_cmd ) );
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string str(buf);
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return str;
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}
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time_t m_createTime;
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OnAckProc m_proc;
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XWRelayReg m_cmd;
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void* m_data;
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private:
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uint32_t m_id;
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};
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class UDPAckTrack {
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public:
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static const uint32_t PACKETID_NONE = 0;
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static uint32_t nextPacketID( XWRelayReg cmd );
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static string recordAck( uint32_t packetID );
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static bool setOnAck( OnAckProc proc, uint32_t packetID, void* data );
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static bool shouldAck( XWRelayReg cmd );
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/* called from ctrl port */
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static void printAcks( StrWPF& out );
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static void doNack( vector<uint32_t> ids );
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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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time_t ackLimit();
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uint32_t nextPacketIDImpl( XWRelayReg cmd );
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string recordAckImpl( uint32_t packetID );
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bool setOnAckImpl( OnAckProc proc, uint32_t packetID, void* data );
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void callProc( const map<uint32_t, AckRecord>::iterator iter, bool acked );
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void printAcksImpl( StrWPF& out );
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void doNackImpl( vector<uint32_t>& ids );
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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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