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git://xwords.git.sourceforge.net/gitroot/xwords/xwords
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bfc617720e
since we've received data from the same source, and use to drop packets in response to reads that are older than when the test says the endpoint of the address changed.
86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
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/*
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* Copyright 2005-2011 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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#include <assert.h>
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#include <string.h>
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#include <time.h>
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#include "addrinfo.h"
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#include "xwrelay_priv.h"
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#include "tpool.h"
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#include "udpager.h"
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// static uint32_t s_prevCreated = 0L;
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void
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AddrInfo::construct( int socket, const AddrUnion* saddr, bool isTCP )
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{
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memset( this, 0, sizeof(*this) );
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struct timespec tp;
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clock_gettime( CLOCK_MONOTONIC, &tp );
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/* convert to milliseconds */
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m_createdMillis = (tp.tv_sec * 1000) + (tp.tv_nsec / 1000000);
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logf( XW_LOGINFO, "%s: m_createdMillis for socket %d: %lx",
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__func__, socket, m_createdMillis );
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/* assert( m_created >= s_prevCreated ); */
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/* s_prevCreated = m_created; */
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m_socket = socket;
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m_isTCP = isTCP;
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memcpy( &m_saddr, saddr, sizeof(m_saddr) );
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m_isValid = true;
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}
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bool
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AddrInfo::isCurrent() const
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{
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bool result;
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if ( isTCP() ) {
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result = XWThreadPool::GetTPool()->IsCurrent( this );
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} else {
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result = UDPAger::Get()->IsCurrent( this );
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}
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return result;
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}
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bool
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AddrInfo::equals( const AddrInfo& other ) const
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{
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bool equal = other.isTCP() == isTCP();
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if ( equal ) {
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if ( isTCP() ) {
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equal = m_socket == other.m_socket;
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if ( equal && created() != other.created() ) {
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logf( XW_LOGINFO, "%s: rejecting on time mismatch (%lx vs %lx)",
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__func__, created(), other.created() );
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equal = false;
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}
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} else {
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// assert( m_socket == other.m_socket ); /* both same UDP socket */
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/* what does equal mean on udp addresses? Same host, or same host AND game */
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equal = m_clientToken == other.m_clientToken
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&& 0 == memcmp( &m_saddr, &other.m_saddr, sizeof(m_saddr) );
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}
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}
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return equal;
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}
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