/// <summary>
/// Establishes a connection to a remote host.
/// </summary>
/// <param name="addressFamily">One of the <see cref="AddressFamily"/> values.</param>
/// <param name="socketType">One of the <see cref="SocketType"/> values.</param>
/// <param name="protocolType">One of the <see cref="ProtocolType"/> values.</param>
/// <param name="remoteEndPoint">An <see cref="EndPoint"/> that represents the remote host.</param>
/// <returns>A singleton observable sequence containing the connected <see cref="Socket"/>.</returns>
public static IObservable<Socket> Connect(
AddressFamily addressFamily,
SocketType socketType,
ProtocolType protocolType,
EndPoint remoteEndPoint)
{
Contract.Requires(remoteEndPoint != null);
Contract.Ensures(Contract.Result<IObservable<Socket>>() != null);
var socket = new Socket(addressFamily, socketType, protocolType);
return socket.ConnectObservable(remoteEndPoint).Select(_ => socket);
}
/// <summary>
/// Establishes a connection to a remote host.
/// </summary>
/// <param name="addressFamily">One of the <see cref="AddressFamily"/> values.</param>
/// <param name="socketType">One of the <see cref="SocketType"/> values.</param>
/// <param name="protocolType">One of the <see cref="ProtocolType"/> values.</param>
/// <param name="remoteEndPoint">An <see cref="EndPoint"/> that represents the remote host.</param>
/// <returns>A singleton observable sequence containing the connected <see cref="Socket"/>.</returns>
public static IObservable <Socket> Connect(
AddressFamily addressFamily,
SocketType socketType,
ProtocolType protocolType,
EndPoint remoteEndPoint)
{
Contract.Requires(remoteEndPoint != null);
Contract.Ensures(Contract.Result <IObservable <Socket> >() != null);
var socket = new Socket(addressFamily, socketType, protocolType);
return(socket.ConnectObservable(remoteEndPoint).Select(_ => socket));
}
public static IObservable <Unit> ConnectObservable(this Socket socket, EndPoint remoteEndPoint)
{
Contract.Requires(socket != null);
Contract.Requires(remoteEndPoint != null);
Contract.Ensures(Contract.Result <IObservable <Unit> >() != null);
var args = new SocketAsyncEventArgs()
{
RemoteEndPoint = remoteEndPoint
};
return(socket
.ConnectObservable(args)
.Select(_ => Unit.Default)
.Finally(args.Dispose));
}
/// <summary>
/// Establishes a connection to a remote host.
/// </summary>
/// <param name="addressFamily">One of the <see cref="AddressFamily"/> values.</param>
/// <param name="socketType">One of the <see cref="SocketType"/> values.</param>
/// <param name="protocolType">One of the <see cref="ProtocolType"/> values.</param>
/// <param name="address">The <see cref="IPAddress"/> of the remote host.</param>
/// <param name="port">The port number of the remote host.</param>
/// <returns>A singleton observable sequence containing the connected <see cref="Socket"/>.</returns>
public static IObservable<Socket> Connect(
AddressFamily addressFamily,
SocketType socketType,
ProtocolType protocolType,
IPAddress address,
int port)
{
Contract.Requires(address != null);
Contract.Requires(port >= IPEndPoint.MinPort);
Contract.Requires(port <= IPEndPoint.MaxPort);
Contract.Ensures(Contract.Result<IObservable<Socket>>() != null);
var socket = new Socket(addressFamily, socketType, protocolType);
return socket.ConnectObservable(address, port).Select(_ => socket);
}
/// <summary>
/// Establishes a connection to a remote host.
/// </summary>
/// <param name="addressFamily">One of the <see cref="AddressFamily"/> values.</param>
/// <param name="socketType">One of the <see cref="SocketType"/> values.</param>
/// <param name="protocolType">One of the <see cref="ProtocolType"/> values.</param>
/// <param name="host">The name of the remote host.</param>
/// <param name="port">The port number of the remote host.</param>
/// <returns>A singleton observable sequence containing the connected <see cref="Socket"/>.</returns>
public static IObservable <Socket> Connect(
AddressFamily addressFamily,
SocketType socketType,
ProtocolType protocolType,
string host,
int port)
{
Contract.Requires(host != null);
Contract.Requires(port >= IPEndPoint.MinPort);
Contract.Requires(port <= IPEndPoint.MaxPort);
Contract.Ensures(Contract.Result <IObservable <Socket> >() != null);
var socket = new Socket(addressFamily, socketType, protocolType);
return(socket.ConnectObservable(host, port).Select(_ => socket));
}
public static IObservable <Unit> ConnectObservable(this Socket socket, IPAddress address, int port)
{
Contract.Requires(socket != null);
Contract.Requires(address != null);
Contract.Requires(port >= IPEndPoint.MinPort);
Contract.Requires(port <= IPEndPoint.MaxPort);
Contract.Ensures(Contract.Result <IObservable <Unit> >() != null);
var args = new SocketAsyncEventArgs()
{
RemoteEndPoint = new IPEndPoint(address, port)
};
return(socket
.ConnectObservable(args)
.Select(_ => Unit.Default)
.Finally(args.Dispose));
}
