goldberg_emulator/dll/steam_game_coordinator.h

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2019-04-13 16:21:56 +00:00
/* Copyright (C) 2019 Mr Goldberg
This file is part of the Goldberg Emulator
The Goldberg Emulator is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
The Goldberg Emulator 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the Goldberg Emulator; if not, see
<http://www.gnu.org/licenses/>. */
#include "base.h"
#include <queue>
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class Steam_Game_Coordinator :
public ISteamGameCoordinator
{
class Settings *settings;
class Networking *network;
class SteamCallResults *callback_results;
class SteamCallBacks *callbacks;
class RunEveryRunCB *run_every_runcb;
static const uint32 protobuf_mask = 0x80000000;
std::queue<std::string> outgoing_messages;
void push_incoming(std::string message)
{
outgoing_messages.push(message);
struct GCMessageAvailable_t data;
data.m_nMessageSize = message.size();
callbacks->addCBResult(data.k_iCallback, &data, sizeof(data));
}
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public:
static void steam_callback(void *object, Common_Message *msg)
{
PRINT_DEBUG("steam_gamecoordinator_callback\n");
Steam_Game_Coordinator *steam_gamecoordinator = (Steam_Game_Coordinator *)object;
steam_gamecoordinator->Callback(msg);
}
static void steam_run_every_runcb(void *object)
{
PRINT_DEBUG("steam_gamecoordinator_run_every_runcb\n");
Steam_Game_Coordinator *steam_gamecoordinator = (Steam_Game_Coordinator *)object;
steam_gamecoordinator->RunCallbacks();
}
Steam_Game_Coordinator(class Settings *settings, class Networking *network, class SteamCallResults *callback_results, class SteamCallBacks *callbacks, class RunEveryRunCB *run_every_runcb)
{
this->settings = settings;
this->network = network;
this->run_every_runcb = run_every_runcb;
//this->network->setCallback(CALLBACK_ID_USER_STATUS, settings->get_local_steam_id(), &Steam_Game_Coordinator::steam_callback, this);
this->run_every_runcb->add(&Steam_Game_Coordinator::steam_run_every_runcb, this);
this->callback_results = callback_results;
this->callbacks = callbacks;
}
~Steam_Game_Coordinator()
{
//TODO rm network callbacks
this->run_every_runcb->remove(&Steam_Game_Coordinator::steam_run_every_runcb, this);
}
// sends a message to the Game Coordinator
EGCResults SendMessage_( uint32 unMsgType, const void *pubData, uint32 cubData )
{
PRINT_DEBUG("Steam_Game_Coordinator::SendMessage %X %u len %u\n", unMsgType, (~protobuf_mask) & unMsgType, cubData);
if (protobuf_mask & unMsgType) {
uint32 message_type = (~protobuf_mask) & unMsgType;
if (message_type == 4006) { //client hello
std::string message("\xA4\x0F\x00\x80\x00\x00\x00\x00\x08\x00", 10);
push_incoming(message);
} else
if (message_type == 4007) { //server hello
std::string message("\xA5\x0F\x00\x80\x00\x00\x00\x00\x08\x00", 10);
push_incoming(message);
}
}
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return k_EGCResultOK;
}
// returns true if there is a message waiting from the game coordinator
bool IsMessageAvailable( uint32 *pcubMsgSize )
{
PRINT_DEBUG("Steam_Game_Coordinator::IsMessageAvailable\n");
if (outgoing_messages.size()) {
if (pcubMsgSize) *pcubMsgSize = outgoing_messages.front().size();
return true;
} else {
return false;
}
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}
// fills the provided buffer with the first message in the queue and returns k_EGCResultOK or
// returns k_EGCResultNoMessage if there is no message waiting. pcubMsgSize is filled with the message size.
// If the provided buffer is not large enough to fit the entire message, k_EGCResultBufferTooSmall is returned
// and the message remains at the head of the queue.
EGCResults RetrieveMessage( uint32 *punMsgType, void *pubDest, uint32 cubDest, uint32 *pcubMsgSize )
{
PRINT_DEBUG("Steam_Game_Coordinator::RetrieveMessage\n");
if (outgoing_messages.size()) {
if (outgoing_messages.front().size() > cubDest) {
return k_EGCResultBufferTooSmall;
}
outgoing_messages.front().copy((char *)pubDest, cubDest);
if (pcubMsgSize) *pcubMsgSize = outgoing_messages.front().size();
if (punMsgType && outgoing_messages.front().size() >= sizeof(uint32)) {
outgoing_messages.front().copy((char *)punMsgType, sizeof(uint32));
*punMsgType = ntohl(*punMsgType);
}
outgoing_messages.pop();
return k_EGCResultOK;
} else {
return k_EGCResultNoMessage;
}
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}
void RunCallbacks()
{
}
void Callback(Common_Message *msg)
{
if (msg->has_low_level()) {
if (msg->low_level().type() == Low_Level::CONNECT) {
}
if (msg->low_level().type() == Low_Level::DISCONNECT) {
}
}
if (msg->has_networking_sockets()) {
}
}
};