mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-01-01 09:10:18 -06:00
132 lines
5.2 KiB
C++
132 lines
5.2 KiB
C++
/*****************************************************************************************
|
|
* *
|
|
* OpenSpace *
|
|
* *
|
|
* Copyright (c) 2014-2023 *
|
|
* *
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
|
|
* software and associated documentation files (the "Software"), to deal in the Software *
|
|
* without restriction, including without limitation the rights to use, copy, modify, *
|
|
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
|
|
* permit persons to whom the Software is furnished to do so, subject to the following *
|
|
* conditions: *
|
|
* *
|
|
* The above copyright notice and this permission notice shall be included in all copies *
|
|
* or substantial portions of the Software. *
|
|
* *
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
|
|
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
|
|
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
|
|
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
|
|
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
|
|
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
|
|
****************************************************************************************/
|
|
|
|
#include <modules/softwareintegration/network/network.h>
|
|
|
|
#include <modules/softwareintegration/network/messagehandler.h>
|
|
#include <openspace/engine/globals.h>
|
|
#include <openspace/engine/globalscallbacks.h>
|
|
#include <openspace/scene/scene.h>
|
|
#include <openspace/scripting/scriptengine.h>
|
|
#include <ghoul/logging/logmanager.h>
|
|
|
|
|
|
namespace {
|
|
|
|
constexpr const char* _loggerCat = "NetworkEngine";
|
|
|
|
} // namespace
|
|
|
|
namespace openspace::softwareintegration::network {
|
|
|
|
namespace {
|
|
|
|
void eventLoop(std::weak_ptr<NetworkState> networkStateWeakPtr) {
|
|
while (!networkStateWeakPtr.expired()) {
|
|
auto networkState = networkStateWeakPtr.lock();
|
|
if (networkState->shouldStopThreads) break;
|
|
// The call to "pop" below will block execution
|
|
// on this thread until interrupt is called
|
|
try {
|
|
auto pm = networkState->incomingMessages.pop();
|
|
messagehandler::handleMessage(pm);
|
|
}
|
|
catch (const ghoul::RuntimeError&) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void serverLoop(std::weak_ptr<NetworkState> networkStateWeakPtr) {
|
|
while (!networkStateWeakPtr.expired()) {
|
|
auto networkState = networkStateWeakPtr.lock();
|
|
if (networkState->shouldStopThreads|| !networkState->server || !networkState->server->isListening()) break;
|
|
std::unique_ptr<ghoul::io::TcpSocket> socket = networkState->server->awaitPendingTcpSocket();
|
|
|
|
if (!socket) return;
|
|
|
|
socket->startStreams();
|
|
|
|
auto p = std::make_shared<SoftwareConnection>(std::move(socket));
|
|
std::lock_guard guard(networkState->softwareConnectionsMutex);
|
|
auto [it, peerInserted] = networkState->softwareConnections.emplace(p->id(), std::move(p));
|
|
|
|
if (peerInserted) {
|
|
auto connectionWeak = std::weak_ptr<SoftwareConnection>{ it->second };
|
|
auto thread = std::thread{
|
|
[connectionWeak, networkStateWeakPtr] {
|
|
connection::eventLoop(connectionWeak, networkStateWeakPtr);
|
|
}
|
|
};
|
|
it->second->setThread(thread);
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace
|
|
|
|
std::shared_ptr<NetworkState> serve(const int port) {
|
|
auto networkState = std::make_shared<NetworkState>();
|
|
|
|
// 4700, is the defualt port where the tcp socket will be opened to the ext. software
|
|
networkState->server = std::make_unique<ghoul::io::TcpSocketServer>();
|
|
networkState->server->listen(port);
|
|
|
|
std::weak_ptr<NetworkState> networkStateWeakPtr = networkState;
|
|
networkState->serverThread = std::make_unique<std::thread>([networkStateWeakPtr] {
|
|
serverLoop(networkStateWeakPtr);
|
|
});
|
|
|
|
networkState->eventLoopThread = std::make_unique<std::thread>([networkStateWeakPtr] {
|
|
eventLoop(networkStateWeakPtr);
|
|
});
|
|
|
|
return networkState;
|
|
};
|
|
|
|
void stopServer(std::shared_ptr<NetworkState> networkState) {
|
|
if (networkState->hasStopped) return;
|
|
networkState->hasStopped = true;
|
|
|
|
networkState->shouldStopThreads = true;
|
|
|
|
networkState->incomingMessages.interrupt();
|
|
|
|
networkState->server->close();
|
|
|
|
{
|
|
std::lock_guard guardSoftwareConnections(networkState->softwareConnectionsMutex);
|
|
networkState->softwareConnections.clear();
|
|
}
|
|
|
|
networkState->serverThread->join();
|
|
networkState->eventLoopThread->join();
|
|
}
|
|
|
|
SoftwareConnectionLostError::SoftwareConnectionLostError(const std::string& msg)
|
|
: ghoul::RuntimeError(std::format("{}{}", "Software connection lost", msg), "SoftwareConnection")
|
|
{}
|
|
|
|
} // namespace openspace::softwareintegration::network
|