public async Task HandleMessage(Client client, INetworkStreamWrapper networkStream, byte[] bytes)
{
ICustomMessageHandler customMessageHandler = GetMessageHandler(client.Protocol);
MessageInput messageInput = new MessageInput
{
Client = client,
NetworkStream = networkStream,
DataMessage = new DataMessage(bytes, client.Protocol.SplitMessageBy)
};
logger.LogTrace(
$"{client.Protocol}: received {HexUtil.ConvertHexStringArrayToHexString(messageInput.DataMessage.Hex)}");
int connectionMessageId = await connectionService.AddMessage(client.DeviceConnection.Id, messageInput.DataMessage.HexString);
try
{
List <Location> locations = customMessageHandler.ParseRange(messageInput)?.ToList();
if (locations != null && locations.Any())
{
// TODO refactor this
await connectionService.SetDeviceId(client);
await locationService.AddRange(locations, connectionMessageId);
}
}
catch (Exception e)
{
logger.LogCritical(e,
$"{customMessageHandler.GetType()}: Error parsing {messageInput.DataMessage.Hex} ");
}
}
public async Task HandleStream(ProtocolInput protocolInput)
{
using BinaryReader binaryReader = new BinaryReader(protocolInput.NetworkStream);
await using (BinaryWriter binaryWriter = new BinaryWriter(protocolInput.NetworkStream))
{
byte[] data = new byte[2048];
bool firstDataReceived = true;
string imei = string.Empty;
while (binaryReader.Read() != -1 || !protocolInput.StoppingToken.IsCancellationRequested)
{
binaryReader.Read(data, 0, data.Length);
if (firstDataReceived)
{
for (int i = 1; i <= 15; i++)
{
imei += (char)data[i];
}
binaryWriter.Write(01);
firstDataReceived = false;
}
else
{
List <LocationHolder> locations = teltonikaLocationParser.Convert(data, imei).ToList();
if (locations.Any())
{
await locationService.AddRange(locations.Select(x => x.Location).ToList());
string reply = "000000" + Utility.ConvertToHex(locations.Count);
binaryWriter.Write(Utility.HexStringToByteArray(reply));
}
}
}
binaryWriter.Close();
}
binaryReader.Close();
}