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VILLASnode/include/villas/nodes/webrtc/peer_connection.hpp
Steffen Vogel 82ea02884d webrtc: Show provide status about the RTCPeerConnection via the REST API
Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
2023-06-30 11:53:29 +02:00

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2.7 KiB
C++

/** WebRTC peer connection
*
* @file
* @author Steffen Vogel <svogel2@eonerc.rwth-aachen.de>
* @author Philipp Jungkamp <Philipp.Jungkamp@opal-rt.com>
* @copyright 2014-2022, Institute for Automation of Complex Power Systems, EONERC
* @copyright 2023, OPAL-RT Germany GmbH
* @license Apache 2.0
*********************************************************************************/
#pragma once
#include <jansson.h>
#include <rtc/rtc.hpp>
#include <villas/log.hpp>
#include <villas/web.hpp>
#include <villas/signal_list.hpp>
#include <villas/nodes/webrtc/signaling_client.hpp>
namespace villas {
namespace node {
namespace webrtc {
class PeerConnection {
public:
PeerConnection(const std::string &server, const std::string &session, const std::string &peer, std::shared_ptr<SignalList> signals, rtc::Configuration config, Web *w, rtc::DataChannelInit d);
~PeerConnection();
bool waitForDataChannel(std::chrono::seconds timeout);
void onMessage(std::function<void(rtc::binary)> callback);
void sendMessage(rtc::binary msg);
json_t * readStatus() const;
void connect();
void disconnect();
protected:
Web *web;
std::vector<rtc::IceServer> extraServers;
rtc::DataChannelInit dataChannelInit;
rtc::Configuration defaultConfig;
std::shared_ptr<rtc::PeerConnection> conn;
std::shared_ptr<rtc::DataChannel> chan;
std::shared_ptr<SignalingClient> client;
std::shared_ptr<SignalList> signals;
Logger logger;
std::mutex mutex;
std::condition_variable_any startupCondition;
bool stopStartup;
bool warnNotConnected;
bool standby;
bool first;
int firstID;
int secondID;
std::function<void(rtc::binary)> onMessageCallback;
void resetConnection(std::unique_lock<decltype(PeerConnection::mutex)> &lock);
void resetConnectionAndStandby(std::unique_lock<decltype(PeerConnection::mutex)> &lock);
void notifyStartup();
void setupPeerConnection(std::shared_ptr<rtc::PeerConnection> = nullptr);
void setupDataChannel(std::shared_ptr<rtc::DataChannel> = nullptr);
void onLocalDescription(rtc::Description sdp);
void onLocalCandidate(rtc::Candidate cand);
void onConnectionStateChange(rtc::PeerConnection::State state);
void onSignalingStateChange(rtc::PeerConnection::SignalingState state);
void onGatheringStateChange(rtc::PeerConnection::GatheringState state);
void onSignalingConnected();
void onSignalingDisconnected();
void onSignalingError(std::string err);
void onSignalingMessage(SignalingMessage msg);
void onDataChannel(std::shared_ptr<rtc::DataChannel> dc);
void onDataChannelOpen();
void onDataChannelClosed();
void onDataChannelError(std::string err);
void onDataChannelMessage(rtc::string msg);
void onDataChannelMessage(rtc::binary msg);
};
} /* namespace webrtc */
} /* namespace node */
} /* namespace villas */