public UpstreamPayload DecodeUpstream(byte[] bytes)
{
var(headerLength, payloadLength) = DecodeLengths(bytes);
PacketHeader header = DecodeHeader(bytes, headerLength, PrintHeader);
byte[] payload;
if (header.EncryptionMode != PacketHeader.Types.EncryptionMode.KEncryptionNone)
{
var key = header.EncryptionMode == PacketHeader.Types.EncryptionMode.KEncryptionServiceToken ? SecurityKey : SessionKey;
payload = Decrypt(bytes, headerLength, payloadLength, key);
}
else
{
payload = new byte[payloadLength];
Array.Copy(bytes, Offset + headerLength, payload, 0, payloadLength);
}
if (payload.Length != header.DecodedPayloadLen)
{
#if DEBUG
Console.WriteLine("Payload length does not match");
Console.WriteLine(Convert.ToBase64String(payload));
#endif
return(null);
}
UpstreamPayload upstream = UpstreamPayload.Parser.ParseFrom(payload);
return(upstream);
}
byte[] PushMessage()
{
var msg = new UpstreamPayload
{
Command = Command.PUSH_MESSAGE,
SeqId = SeqId,
RetryCount = RetryCount,
SubBiz = SubBiz
};
var body = msg.ToByteString();
var header = new PacketHeader
{
AppId = AppId,
Uid = UserId,
InstanceId = InstanceId,
DecodedPayloadLen = body.Length,
EncryptionMode = PacketHeader.Types.EncryptionMode.KEncryptionSessionKey,
SeqId = HeaderSeqId,
Kpn = KPN,
};
return(Encode(header, body));
}
byte[] KeepAlive()
{
var keepalive = new KeepAliveRequest
{
PresenceStatus = RegisterRequest.Types.PresenceStatus.KPresenceOnline,
AppActiveStatus = RegisterRequest.Types.ActiveStatus.KAppInForeground,
};
var payload = new UpstreamPayload
{
Command = Command.KEEP_ALIVE,
SeqId = SeqId,
RetryCount = RetryCount,
PayloadData = keepalive.ToByteString(),
SubBiz = SubBiz
};
var body = payload.ToByteString();
var header = new PacketHeader
{
AppId = AppId,
Uid = UserId,
InstanceId = InstanceId,
DecodedPayloadLen = body.Length,
EncryptionMode = PacketHeader.Types.EncryptionMode.KEncryptionSessionKey,
SeqId = SeqId,
Kpn = KPN,
};
return(Encode(header, body));
}
byte[] Ping()
{
var ping = new PingRequest
{
PingType = PingRequest.Types.PingType.KPostRegister,
};
var payload = new UpstreamPayload
{
Command = Command.PING,
SeqId = SeqId,
RetryCount = RetryCount,
PayloadData = ping.ToByteString(),
SubBiz = SubBiz
};
var body = payload.ToByteString();
var header = new PacketHeader
{
AppId = AppId,
Uid = UserId,
InstanceId = InstanceId,
DecodedPayloadLen = body.Length,
EncryptionMode = PacketHeader.Types.EncryptionMode.KEncryptionSessionKey,
Kpn = KPN
};
return(Encode(header, body));
}
byte[] Unregister()
{
var unregister = new UnregisterRequest();
var payload = new UpstreamPayload
{
Command = Command.UNREGISTER,
RetryCount = RetryCount,
PayloadData = unregister.ToByteString(),
SubBiz = SubBiz
};
var body = payload.ToByteString();
var header = new PacketHeader
{
AppId = AppId,
Uid = UserId,
EncryptionMode = PacketHeader.Types.EncryptionMode.KEncryptionSessionKey,
DecodedPayloadLen = body.Length,
Kpn = KPN
};
return(Encode(header, body));
}
byte[] Register()
{
var request = new RegisterRequest
{
AppInfo = new AppInfo
{
AppName = AppName,
SdkVersion = SdkVersion,
},
DeviceInfo = new DeviceInfo
{
PlatformType = DeviceInfo.Types.PlatformType.H5,
DeviceModel = "h5",
},
PresenceStatus = RegisterRequest.Types.PresenceStatus.KPresenceOnline,
AppActiveStatus = RegisterRequest.Types.ActiveStatus.KAppInForeground,
InstanceId = InstanceId,
ZtCommonInfo = new ZtCommonInfo
{
Kpn = KPN,
Kpf = KPF,
Uid = UserId,
}
};
var payload = new UpstreamPayload
{
Command = Command.REGISTER,
SeqId = SeqId++,
RetryCount = RetryCount,
PayloadData = request.ToByteString(),
SubBiz = SubBiz,
};
var body = payload.ToByteString();
var header = new PacketHeader
{
AppId = AppId,
Uid = UserId,
EncryptionMode = PacketHeader.Types.EncryptionMode.KEncryptionServiceToken,
DecodedPayloadLen = body.Length,
TokenInfo = new TokenInfo
{
TokenType = TokenInfo.Types.TokenType.KServiceToken,
Token = ByteString.CopyFromUtf8(ServiceToken),
},
SeqId = HeaderSeqId++,
Kpn = KPN,
};
return(Encode(header, body));
}
byte[] Heartbeat()
{
var hearbeat = new ZtLiveCsHeartbeat
{
ClientTimestampMs = DateTimeOffset.Now.ToUnixTimeMilliseconds(),
Sequence = HeartbeatSeqId++,
};
var cmd = new ZtLiveCsCmd
{
CmdType = GlobalCommand.HEARTBEAT,
Payload = hearbeat.ToByteString(),
Ticket = Tickets[TicketIndex],
LiveId = LiveId,
};
var payload = new UpstreamPayload
{
Command = Command.GLOBAL_COMMAND,
SeqId = SeqId,
RetryCount = RetryCount,
PayloadData = cmd.ToByteString(),
SubBiz = SubBiz,
};
var body = payload.ToByteString();
var header = new PacketHeader
{
AppId = AppId,
Uid = UserId,
InstanceId = InstanceId,
DecodedPayloadLen = body.Length,
EncryptionMode = PacketHeader.Types.EncryptionMode.KEncryptionSessionKey,
SeqId = SeqId++,
Kpn = KPN
};
return(Encode(header, body));
}
byte[] EnterRoom()
{
var request = new ZtLiveCsEnterRoom
{
EnterRoomAttach = EnterRoomAttach,
ClientLiveSdkVersion = ClientLiveSdkVersion
};
var cmd = new ZtLiveCsCmd
{
CmdType = GlobalCommand.ENTER_ROOM,
Payload = request.ToByteString(),
Ticket = Tickets[TicketIndex],
LiveId = LiveId,
};
var payload = new UpstreamPayload
{
Command = Command.GLOBAL_COMMAND,
SeqId = SeqId++,
RetryCount = RetryCount,
PayloadData = cmd.ToByteString(),
SubBiz = SubBiz,
};
var body = payload.ToByteString();
var header = new PacketHeader
{
AppId = AppId,
Uid = UserId,
InstanceId = InstanceId,
DecodedPayloadLen = body.Length,
EncryptionMode = PacketHeader.Types.EncryptionMode.KEncryptionSessionKey,
SeqId = HeaderSeqId++,
Kpn = KPN
};
return(Encode(header, body));
}