Repo created

TMessagesProj/jni/voip/tgcalls/Message.h

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+#ifndef TGCALLS_MESSAGE_H
+#define TGCALLS_MESSAGE_H
+
+#include "api/candidate.h"
+#include "api/video_codecs/sdp_video_format.h"
+#include "absl/types/variant.h"
+#include "absl/types/optional.h"
+#include "rtc_base/copy_on_write_buffer.h"
+#include "rtc_base/byte_buffer.h"
+
+#include <vector>
+
+namespace tgcalls {
+
+enum class VideoState;
+enum class AudioState;
+
+struct PeerIceParameters {
+    std::string ufrag;
+    std::string pwd;
+    bool supportsRenomination = false;
+    
+    PeerIceParameters() = default;
+
+    PeerIceParameters(std::string ufrag_, std::string pwd_, bool supportsRenomination_) :
+    ufrag(ufrag_),
+    pwd(pwd_),
+    supportsRenomination(supportsRenomination_) {
+    }
+
+};
+
+struct CandidatesListMessage {
+	static constexpr uint8_t kId = 1;
+	static constexpr bool kRequiresAck = true;
+
+	std::vector<cricket::Candidate> candidates;
+    PeerIceParameters iceParameters;
+};
+
+struct VideoFormatsMessage {
+	static constexpr uint8_t kId = 2;
+	static constexpr bool kRequiresAck = true;
+
+	std::vector<webrtc::SdpVideoFormat> formats;
+	int encodersCount = 0;
+};
+
+struct RequestVideoMessage {
+	static constexpr uint8_t kId = 3;
+	static constexpr bool kRequiresAck = true;
+};
+
+struct RemoteMediaStateMessage {
+	static constexpr uint8_t kId = 4;
+	static constexpr bool kRequiresAck = true;
+
+	AudioState audio = AudioState();
+	VideoState video = VideoState();
+};
+
+struct AudioDataMessage {
+	static constexpr uint8_t kId = 5;
+	static constexpr bool kRequiresAck = false;
+
+	rtc::CopyOnWriteBuffer data;
+};
+
+struct VideoDataMessage {
+	static constexpr uint8_t kId = 6;
+	static constexpr bool kRequiresAck = false;
+
+	rtc::CopyOnWriteBuffer data;
+};
+
+struct UnstructuredDataMessage {
+    static constexpr uint8_t kId = 7;
+    static constexpr bool kRequiresAck = true;
+
+    rtc::CopyOnWriteBuffer data;
+};
+
+struct VideoParametersMessage {
+    static constexpr uint8_t kId = 8;
+    static constexpr bool kRequiresAck = true;
+
+    uint32_t aspectRatio;
+};
+
+struct RemoteBatteryLevelIsLowMessage {
+    static constexpr uint8_t kId = 9;
+    static constexpr bool kRequiresAck = true;
+
+    bool batteryLow = false;
+};
+
+struct RemoteNetworkStatusMessage {
+    static constexpr uint8_t kId = 10;
+    static constexpr bool kRequiresAck = true;
+
+    bool isLowCost = false;
+    bool isLowDataRequested = false;
+};
+
+// To add a new message you should:
+// 1. Add the message struct.
+// 2. Add the message to the variant in Message struct.
+// 3. Add Serialize/Deserialize methods in Message module.
+
+struct Message {
+	absl::variant<
+		CandidatesListMessage,
+		VideoFormatsMessage,
+        RequestVideoMessage,
+		RemoteMediaStateMessage,
+		AudioDataMessage,
+		VideoDataMessage,
+        UnstructuredDataMessage,
+        VideoParametersMessage,
+        RemoteBatteryLevelIsLowMessage,
+        RemoteNetworkStatusMessage> data;
+};
+
+rtc::CopyOnWriteBuffer SerializeMessageWithSeq(
+	const Message &message,
+	uint32_t seq,
+	bool singleMessagePacket);
+absl::optional<Message> DeserializeMessage(
+	rtc::ByteBufferReader &reader,
+	bool singleMessagePacket);
+absl::optional<rtc::CopyOnWriteBuffer> DeserializeRawMessage(
+    rtc::ByteBufferReader &reader,
+    bool singleMessagePacket);
+
+struct DecryptedMessage {
+	Message message;
+	uint32_t counter = 0;
+};
+
+struct DecryptedRawMessage {
+    rtc::CopyOnWriteBuffer message;
+    uint32_t counter = 0;
+};
+
+
+} // namespace tgcalls
+
+#endif