Files
FlaxEngine/Source/Engine/Networking/Drivers/ENetDriver.cpp
2021-03-15 20:00:30 +01:00

153 lines
3.8 KiB
C++

// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
//
// TODO: Check defines so we can disable ENet
#include "ENetDriver.h"
#include "Engine/Networking/NetworkConfig.h"
#include "Engine/Networking/NetworkEvent.h"
#include "Engine/Networking/NetworkManager.h"
#include "Engine/Core/Log.h"
#include "Engine/Core/Collections/Array.h"
#define ENET_IMPLEMENTATION
#define _WINSOCK_DEPRECATED_NO_WARNINGS
#include <enet/enet.h>
#undef _WINSOCK_DEPRECATED_NO_WARNINGS
#undef SendMessage
void ENetDriver::Initialize(const NetworkConfig& config)
{
_config = config;
if (enet_initialize () != 0) {
LOG(Error, "Failed to initialize ENet driver!");
}
LOG(Info, "Initialized ENet driver!");
}
void ENetDriver::Dispose()
{
if(_peer)
enet_peer_disconnect_now((ENetPeer*)_peer, 0);
enet_host_destroy((ENetHost*)_host);
enet_deinitialize();
_peer = nullptr;
_host = nullptr;
}
bool ENetDriver::Listen()
{
ENetAddress address = {0};
address.host = ENET_HOST_ANY; // TODO
address.port = _config.Port;
// Create ENet host
_host = enet_host_create(&address, _config.ConnectionsLimit, 1, 0, 0);
if(_host == nullptr)
{
LOG(Error, "Failed to initialize ENet host!");
return false;
}
LOG(Info, "Created ENet server!");
return true;
}
bool ENetDriver::Connect()
{
LOG(Info, "Connecting using ENet...");
ENetAddress address = {0};
address.port = _config.Port;
enet_address_set_host(&address, "127.0.0.1"); // TODO
// Create ENet host
_host = enet_host_create(nullptr, 1, 1, 0, 0);
if(_host == nullptr)
{
LOG(Error, "Failed to initialize ENet host!");
return false;
}
// Create ENet peer/connect to the server
_peer = enet_host_connect((ENetHost*)_host, &address, 1, 0);
if(_peer == nullptr)
{
LOG(Error, "Failed to create ENet host!");
enet_host_destroy((ENetHost*)_host);
return false;
}
return true;
}
void ENetDriver::Disconnect()
{
ASSERT(_peer != nullptr);
if(_peer)
{
enet_peer_disconnect_now((ENetPeer*)_peer, 0);
_peer = nullptr;
LOG(Info, "Disconnected");
}
}
void ENetDriver::Disconnect(const NetworkConnection& connection)
{
// TODO: kick given connection (?)
}
bool ENetDriver::PopEvent(NetworkEvent* eventPtr)
{
ENetEvent event;
const int result = enet_host_service((ENetHost*)_host, &event, 0);
if(result < 0)
LOG(Error, "Failed to check ENet events!");
if(result > 0)
{
switch(event.type)
{
case ENET_EVENT_TYPE_CONNECT:
eventPtr->EventType = NetworkEventType::Connected;
LOG(Info, "Connected"); // TODO
break;
case ENET_EVENT_TYPE_DISCONNECT:
eventPtr->EventType = NetworkEventType::Disconnected;
LOG(Info, "Disconnected"); // TODO
break;
case ENET_EVENT_TYPE_DISCONNECT_TIMEOUT:
eventPtr->EventType = NetworkEventType::Disconnected;
LOG(Info, "Disconnected (timeout)"); // TODO
break;
case ENET_EVENT_TYPE_RECEIVE:
eventPtr->EventType = NetworkEventType::Message;
// Acquire message and copy message data
eventPtr->Message = NetworkManager::CreateMessage(eventPtr->HostId);
eventPtr->Message.Length = event.packet->dataLength;
Memory::CopyItems(eventPtr->Message.Buffer, event.packet->data, event.packet->dataLength);
// TODO: Copy sender info
break;
default: break;
}
return true; // Event
}
return false; // No events
}
void ENetDriver::SendMessage(NetworkChannelType channelType, const NetworkMessage& message, Array<NetworkConnection, HeapAllocation> targets)
{
// TODO: Send messages
}