/// <summary>
/// Establishes connection with remote host
/// </summary>
/// <param name="client"></param>
/// <param name="endPoint">endPoint of remote host</param>
/// <param name="timeout">maximum time for connecting with remote host</param>
/// <param name="socket">socket for EasyTcpClient, new one is create when null</param>
/// <returns>determines whether the client connected successfully</returns>
public static bool Connect(this EasyTcpClient client, EndPoint endPoint, TimeSpan?timeout = null,
Socket socket = null)
{
if (client == null)
{
throw new ArgumentException("Could not connect: client is null");
}
if (endPoint == null)
{
throw new ArgumentException("Could not connect: endpoint is null");
}
if (client.BaseSocket != null)
{
throw new ArgumentException("Could not connect: client is still connected");
}
try
{
client.BaseSocket = socket ?? client.Protocol.GetSocket(endPoint.AddressFamily);
client.BaseSocket.ConnectAsync(endPoint).Wait(DefaultTimeout);
if (client.BaseSocket.Connected && client.Protocol.OnConnect(client))
{
client.FireOnConnect();
return(true);
}
}
catch
{
//Ignore exception, dispose (&disconnect) client and return false
}
client.Dispose();
return(false);
}
/// <summary>
/// Establish connection with remote host
/// </summary>
/// <param name="client"></param>
/// <param name="endPoint">endPoint of remote host</param>
/// <param name="socket">base socket for EasyTcpClient, new one is created when null</param>
/// <returns>determines whether the client connected successfully</returns>
public static async Task <bool> ConnectAsync(this EasyTcpClient client, EndPoint endPoint, Socket socket = null)
{
if (client == null)
{
throw new ArgumentException("Could not connect: client is null");
}
if (endPoint == null)
{
throw new ArgumentException("Could not connect: endpoint is null");
}
if (client.BaseSocket != null)
{
throw new ArgumentException("Could not connect: client is already connected");
}
try
{
client.BaseSocket = socket ?? client.Protocol.GetSocket(endPoint.AddressFamily);
await client.BaseSocket.ConnectAsync(endPoint);
if (client.BaseSocket.Connected && client.Protocol.OnConnect(client))
{
client.FireOnConnect();
return(true);
}
}
catch
{
// Ignore exception, dispose (&disconnect) client and return false
}
client.Dispose(); // Set socket to null
return(false);
}
/// <summary>
/// Establishes a connection to a remote host
/// </summary>
/// <param name="client"></param>
/// <param name="ipAddress">ipAddress of remote host</param>
/// <param name="port">port of remote host</param>
/// <param name="timeout">maximum time for connecting to remote host</param>
/// <param name="socket">socket for EasyTcpClient, new one is create when null</param>
/// <returns>determines whether the client connected successfully</returns>
public static bool Connect(this EasyTcpClient client, IPAddress ipAddress, ushort port,
TimeSpan?timeout = null, Socket socket = null)
{
if (client == null)
{
throw new ArgumentException("Could not connect: client is null");
}
if (ipAddress == null)
{
throw new ArgumentException("Could not connect: ipAddress is null");
}
if (port == 0)
{
throw new ArgumentException("Could not connect: Invalid port");
}
if (client.BaseSocket != null)
{
throw new ArgumentException("Could not connect: client is still connected");
}
try
{
client.BaseSocket = socket ?? new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
var result = client.BaseSocket.BeginConnect(ipAddress, port, null, null);
result.AsyncWaitHandle.WaitOne(timeout ?? TimeSpan.FromMilliseconds(DefaultTimeout));
client.BaseSocket.EndConnect(result);
if (client.BaseSocket.Connected)
{
client.FireOnConnect();
client.StartInternalDataReceiver();
return(true);
}
}
catch
{
//Ignore exception, dispose (&disconnect) client and return false
}
client.Dispose();
return(false);
}
/// <summary>
/// Establishes a connection to a remote host
/// </summary>
/// <param name="client"></param>
/// <param name="ipAddress">ipAddress of remote host</param>
/// <param name="port">port of remote host</param>
/// <returns>determines whether the client connected successfully</returns>
public static async Task <bool> ConnectAsync(this EasyTcpClient client, IPAddress ipAddress, ushort port)
{
if (client == null)
{
throw new ArgumentException("Could not connect: client is null");
}
if (ipAddress == null)
{
throw new ArgumentException("Could not connect: ipAddress is null");
}
if (port == 0)
{
throw new ArgumentException("Could not connect: Invalid port");
}
if (client.BaseSocket != null)
{
throw new ArgumentException("Could not connect: client is still connected");
}
try
{
client.BaseSocket = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
await client.BaseSocket.ConnectAsync(ipAddress, port);
if (client.BaseSocket.Connected)
{
client.FireOnConnect();
client.StartListening();
return(true);
}
}
catch
{
//Ignore exception, dispose (&disconnect) client and return false
}
client.Dispose();
return(false);
}
