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/* Copyright (C) 2010 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "NetHost.h"
#include "lib/external_libraries/enet.h"
#include "network/NetMessage.h"
#include "ps/CLogger.h"
bool CNetHost::SendMessage(const CNetMessage* message, ENetPeer* peer, const char* peerName)
{
ENetPacket* packet = CreatePacket(message);
if (!packet)
return false;
LOGMESSAGE(L"Net: Sending message %hs of size %lu to %hs", message->ToString().c_str(), (unsigned long)packet->dataLength, peerName);
// Let ENet send the message to peer
if (enet_peer_send(peer, DEFAULT_CHANNEL, packet) < 0)
{
LOGERROR(L"Net: Failed to send packet to peer");
return false;
}
// Don't call enet_host_flush now - let it queue up all the packets
// and send them during the next frame
//
// TODO: we should flush explicitly at some appropriate point before the next frame
return true;
}
ENetPacket* CNetHost::CreatePacket(const CNetMessage* message)
{
size_t size = message->GetSerializedLength();
ENSURE(size); // else we'll fail when accessing the 0th element
// Adjust buffer for message
std::vector<u8> buffer;
buffer.resize(size);
// Save message to internal buffer
message->Serialize(&buffer[0]);
// Create a reliable packet
ENetPacket* packet = enet_packet_create(&buffer[0], size, ENET_PACKET_FLAG_RELIABLE);
if (!packet)
LOGERROR(L"Net: Failed to construct packet");
return packet;
}
void CNetHost::Initialize()
{
int ret = enet_initialize();
ENSURE(ret == 0);
}
void CNetHost::Deinitialize()
{
enet_deinitialize();
}
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