ircDDBGateway/Common/GatewayCache.cpp
Geoffrey Merck F4FXL - KC3FRA cda4300f34 Constrain G2 stuff to specific functions
Code is much more lighter !
2018-11-18 16:54:57 +01:00

87 lines
2.6 KiB
C++

/*
* Copyright (C) 2010,2011,2012 by Jonathan Naylor G4KLX
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "GatewayCache.h"
const unsigned int CACHE_SIZE = 500U;
CGatewayCache::CGatewayCache() :
m_cache(CACHE_SIZE)
{
}
CGatewayCache::~CGatewayCache()
{
for (CGatewayCache_t::iterator it = m_cache.begin(); it != m_cache.end(); ++it)
delete it->second;
}
CGatewayRecord* CGatewayCache::find(const wxString& gateway)
{
return m_cache[gateway];
}
void CGatewayCache::update(const wxString& gateway, const wxString& address, DSTAR_PROTOCOL protocol, bool addrLock, bool protoLock)
{
in_addr addr_in;
addr_in.s_addr = ::inet_addr(address.mb_str());
CGatewayRecord* rec = m_cache[gateway];
if (rec == NULL)
// A brand new record is needed
m_cache[gateway] = new CGatewayRecord(gateway, addr_in, G2_DV_PORT, protocol, addrLock, protoLock);
else
// Update an existing record
rec->setData(addr_in, protocol, addrLock, protoLock);
}
void CGatewayCache::updateG2(const wxString& gateway, in_addr address, unsigned int g2Port)
{
//empty gateway means we are coming from udp hole punching, let see if we have an getway with matching address
CGatewayRecord* rec = gateway.empty()? findByAddress(address) : m_cache[gateway];
if (rec == NULL) {
// A brand new record is needed
m_cache[gateway] = new CGatewayRecord(gateway, address, g2Port, DP_UNKNOWN, false, false);
}
else {
// Update an existing record
if(rec->getGateway().empty())//if this is a record created from a punch call, set its gateway
rec->setGateway(gateway);
rec->setG2Data(address, g2Port);
}
}
CGatewayRecord* CGatewayCache::findByAddress(in_addr address)
{
for (CGatewayCache_t::iterator it = m_cache.begin(); it != m_cache.end(); ++it) {
if(it-> second != NULL
&& it->second->getAddress().s_addr == address.s_addr)
return it->second;
}
return NULL;
}
unsigned int CGatewayCache::getCount() const
{
return m_cache.size();
}