50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
#pragma once
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#include "screencast/network/transport.h"
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#include <cstdint>
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#include <functional>
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#include <memory>
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#include <string>
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#include <variant>
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namespace sc {
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// JSON-based control messages exchanged before or during a session.
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struct SessionOffer {
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std::string session_id;
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std::string codec_name;
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int width = 0;
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int height = 0;
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int frame_rate_num = 30;
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int frame_rate_den = 1;
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Endpoint rtp_endpoint;
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};
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struct SessionAnswer {
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std::string session_id;
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Endpoint rtp_endpoint;
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};
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using SignalingMessage = std::variant<SessionOffer, SessionAnswer>;
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class SignalingChannel {
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public:
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using MessageCallback = std::function<void(const SignalingMessage&)>;
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virtual ~SignalingChannel() = default;
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virtual bool connect(const Endpoint& server) = 0;
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virtual void send(const SignalingMessage& message) = 0;
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virtual void on_message(MessageCallback callback) = 0;
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virtual void disconnect() = 0;
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};
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class SignalingFactory {
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public:
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static std::unique_ptr<SignalingChannel> create_websocket_client();
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static std::unique_ptr<SignalingChannel> create_websocket_server(uint16_t port);
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};
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} // namespace sc
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