private async Task ProcessClientAsync(TcpClient client)
{
try
{
ConnectionPool.Add(client);
var cts = new CancellationTokenSource();
cts.CancelAfter((int)ReadTimeOut.TotalMilliseconds);
var token = cts.Token;
//var buffer = new byte[256];
//client.GetStream().Read(buffer, 0, buffer.Length);
//return;
var connection = new ClientConnection(client);
var caption = await connection.ReadStringAsync(token);
if (caption != MessageCaption)
{
Console.WriteLine("Wrong request");
return;
}
var commandCode = (CommandCodeEn)await connection.ReadByteAsync(token);
if (commandCode == CommandCodeEn.Ping)
{
var handler = new PingCommandHandler();
await handler.ProcessRequestAsync(client, token);
}
else if (commandCode == CommandCodeEn.GetDate)
{
var handler = new GetDateCommandHandler();
await handler.ProcessRequestAsync(client, token);
}
else if (commandCode == CommandCodeEn.PutFile)
{
var handler = new SaveFileCommandHandler();
await handler.ProcessRequestAsync(client, token);
}
else
{
throw new Exception($"Invalid command code: {commandCode}");
}
var taken = ConnectionPool.TryTake(out client);
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
public async Task Ping()
{
using var client = new TcpClient();
client.Connect(Ip, Port);
var connection = new ClientConnection(client);
var commandData = "ping";
var commandLength = commandData.Length + 1;
await WriteHeader(connection);
await WriteCommandCode(connection, CommandCodeEn.Ping);
await WriteGuid(connection);
await WriteDataLength(connection, commandLength);
await WriteString(connection, commandData);
var caption = await connection.ReadStringAsync(CancellationToken);
var pong = await connection.ReadStringAsync(CancellationToken);
Console.WriteLine($"<- {caption}{pong}");
}
public async Task UploadFile(string filePath)
{
using var client = new TcpClient();
client.Connect(Ip, Port);
var connection = new ClientConnection(client);
var fileName = filePath.Split('\\').Last();
var fileBytes = await File.ReadAllBytesAsync(filePath);
await WriteHeader(connection);
await WriteCommandCode(connection, CommandCodeEn.PutFile);
await WriteGuid(connection);
await WriteDataLength(connection, fileBytes.Length + fileName.Length + 1);
await connection.WriteStringAsync(fileName, CancellationToken);
await connection.WriteBytesAsync(fileBytes, CancellationToken);
var caption = await connection.ReadStringAsync(CancellationToken);
var savedFileName = await connection.ReadStringAsync(CancellationToken);
Console.WriteLine($"<- {caption}{savedFileName}");
}
public async Task <DateTimeOffset> GetDate()
{
using var client = new TcpClient();
client.Connect(Ip, Port);
var connection = new ClientConnection(client);
await WriteHeader(connection);
await WriteCommandCode(connection, CommandCodeEn.GetDate);
await WriteGuid(connection);
await WriteDataLength(connection, 0);
var caption = await connection.ReadStringAsync(CancellationToken);
var unixDate = await connection.ReadInt64Async(CancellationToken);
var date = DateTimeOffset.FromUnixTimeSeconds(unixDate);
Console.WriteLine($"<- {caption}{date}");
return(date);
}