public async Task StartAsync(CancellationToken cancellationToken)
{
_logger.LogInformation("Background service is started...");
var address = IPAddress.Parse(_config.ServerIp);
if (!await _client.ConnectAsync(new IPEndPoint(address, _config.ServerPort), cancellationToken))
{
_logger.LogError("Failed to connect to the target server.");
}
_client.PackageHandler += async(sender, package) =>
{
switch (package.Key)
{
case CommandKey.Execute:
var command = Command.Parser.ParseFrom(Encoding.UTF8.GetBytes(package.Content));
await Execute(command.OperatorId, command.Content);
break;
case CommandKey.Connected:
_logger.LogInformation("Connected");
break;
case CommandKey.Pong:
var unix = long.Parse(package.Content);
_pongTime = DateTimeOffset.FromUnixTimeMilliseconds(unix).UtcDateTime;
break;
default:
_logger.LogWarning($"Unknown command:{package.Key}");
break;
}
};
_client.StartReceive();
await _client.SendAsync(Encoding.UTF8.GetBytes($"{CommandKey.Connect} {ClientType.Agent.ToString()}{Package.Terminator}"));
_pingTimer = new Timer(SendPing, null, TimeSpan.Zero, TimeSpan.FromSeconds(_pingIntervalSecond));
_checkPingTimer = new Timer(CheckPong, null, TimeSpan.Zero, TimeSpan.FromSeconds(_checkPingIntervalSecond));
_client.Closed += async(sender, args) =>
{
if (!_shouldReconnect)
{
return;
}
_logger.LogError("Connection disconnect.");
Thread.Sleep(2000);
if (!await _client.ConnectAsync(new IPEndPoint(address, _config.ServerPort), cancellationToken))
{
_logger.LogError("Failed to reconnect to the target server.");
}
else
{
_client.StartReceive();
_logger.LogInformation("Connection reconnect.");
}
};
}
public async Task StartAsync(CancellationToken cancellationToken)
{
_logger.LogInformation("Socket Service is starting.");
var address = IPAddress.Parse(_serverIp);
if (!await _client.ConnectAsync(new IPEndPoint(address, _serverPort), cancellationToken))
{
_logger.LogError("Failed to connect to the socket server.");
}
_client.PackageHandler += async(sender, package) =>
{
switch (package.Key)
{
case CommandKey.Connected:
_logger.LogInformation("Connected");
break;
case CommandKey.Output:
var index = package.Content.IndexOf(' ');
var operatorId = package.Content.Substring(0, index);
var content = package.Content.Substring(index + 1, package.Content.Length - index - 1);
await _socketHub.Clients.Groups(operatorId).ReceiveMessage(content + Package.Terminator);
break;
case CommandKey.Pong:
var unix = long.Parse(package.Content);
_pongTime = DateTimeOffset.FromUnixTimeMilliseconds(unix).UtcDateTime;
break;
default:
_logger.LogError($"Unknown command:{package.Key}");
break;
}
};
_client.StartReceive();
await _client.SendAsync(Encoding.UTF8.GetBytes($"{CommandKey.Connect} {ClientType.Web.ToString()}{Package.Terminator}"));
_pingTimer = new Timer(SendPing, null, TimeSpan.Zero, TimeSpan.FromSeconds(_pingIntervalSecond));
_checkPingTimer = new Timer(CheckPong, null, TimeSpan.Zero, TimeSpan.FromSeconds(_checkPingIntervalSecond));
_client.Closed += async(sender, args) =>
{
if (!_shouldReconnect)
{
return;
}
Thread.Sleep(2000);
if (!await _client.ConnectAsync(new IPEndPoint(address, _serverPort), cancellationToken))
{
_logger.LogError("Failed to connect to the socket server.");
}
else
{
_client.StartReceive();
}
};
}