xwords/xwords4/relay/addrinfo.cpp
2013-09-22 20:35:32 -07:00

84 lines
2.5 KiB
C++

/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
/*
* Copyright 2005-2011 by Eric House (xwords@eehouse.org). All rights
* reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <assert.h>
#include <string.h>
#include <time.h>
#include "addrinfo.h"
#include "xwrelay_priv.h"
#include "tpool.h"
#include "udpager.h"
// static uint32_t s_prevCreated = 0L;
void
AddrInfo::construct( int socket, const AddrUnion* saddr, bool isTCP )
{
memset( this, 0, sizeof(*this) );
struct timespec tp;
clock_gettime( CLOCK_MONOTONIC, &tp );
/* convert to milliseconds */
m_createdMillis = (tp.tv_sec * 1000) + (tp.tv_nsec / 1000000);
/* assert( m_created >= s_prevCreated ); */
/* s_prevCreated = m_created; */
m_socket = socket;
m_isTCP = isTCP;
memcpy( &m_saddr, saddr, sizeof(m_saddr) );
m_isValid = true;
}
bool
AddrInfo::isCurrent() const
{
bool result;
if ( isTCP() ) {
result = XWThreadPool::GetTPool()->IsCurrent( this );
} else {
result = UDPAger::Get()->IsCurrent( this );
}
return result;
}
bool
AddrInfo::equals( const AddrInfo& other ) const
{
bool equal = other.isTCP() == isTCP();
if ( equal ) {
if ( isTCP() ) {
equal = m_socket == other.m_socket;
if ( equal && created() != other.created() ) {
logf( XW_LOGINFO, "%s: rejecting on time mismatch (%lx vs %lx)",
__func__, created(), other.created() );
equal = false;
}
} else {
// assert( m_socket == other.m_socket ); /* both same UDP socket */
/* what does equal mean on udp addresses? Same host, or same host AND game */
equal = m_clientToken == other.m_clientToken
&& 0 == memcmp( &m_saddr, &other.m_saddr, sizeof(m_saddr) );
}
}
return equal;
}