/// <summary>
/// Return a
/// <see cref="SocketInputWrapper"/>
/// for the socket and set the given
/// timeout. If the socket does not have an associated channel, then its socket
/// timeout will be set to the specified value. Otherwise, a
/// <see cref="SocketInputStream"/>
/// will be created which reads with the configured
/// timeout.
/// Any socket created using socket factories returned by
/// <see cref="NetUtils()"/>
/// ,
/// must use this interface instead of
/// <see cref="System.Net.Sockets.Socket.GetInputStream()"/>
/// .
/// In general, this should be called only once on each socket: see the note
/// in
/// <see cref="SocketInputWrapper.SetTimeout(long)"/>
/// for more information.
/// </summary>
/// <seealso cref="System.Net.Sockets.Socket.GetChannel()"/>
/// <param name="socket"/>
/// <param name="timeout">
/// timeout in milliseconds. zero for waiting as
/// long as necessary.
/// </param>
/// <returns>SocketInputWrapper for reading from the socket.</returns>
/// <exception cref="System.IO.IOException"/>
public static SocketInputWrapper GetInputStream(Socket socket, long timeout)
{
InputStream stm = (socket.GetChannel() == null) ? socket.GetInputStream() : new SocketInputStream
(socket);
SocketInputWrapper w = new SocketInputWrapper(socket, stm);
w.SetTimeout(timeout);
return(w);
}
/// <exception cref="System.IO.IOException"/>
private void AssertReadTimeout(SocketInputWrapper stm, int timeoutMillis)
{
long st = Runtime.NanoTime();
try
{
stm.Read();
NUnit.Framework.Assert.Fail("Didn't time out");
}
catch (SocketTimeoutException)
{
AssertTimeSince(st, timeoutMillis);
}
}
/// <exception cref="System.IO.IOException"/>
private void DoSocketReadTimeoutTest(bool withChannel)
{
// Binding a ServerSocket is enough to accept connections.
// Rely on the backlog to accept for us.
Socket ss = Extensions.CreateServerSocket(0);
Socket s;
if (withChannel)
{
s = NetUtils.GetDefaultSocketFactory(new Configuration()).CreateSocket();
Assume.AssumeNotNull(s.GetChannel());
}
else
{
s = new Socket();
NUnit.Framework.Assert.IsNull(s.GetChannel());
}
SocketInputWrapper stm = null;
try
{
NetUtils.Connect(s, ss.LocalEndPoint, 1000);
stm = NetUtils.GetInputStream(s, 1000);
AssertReadTimeout(stm, 1000);
// Change timeout, make sure it applies.
stm.SetTimeout(1);
AssertReadTimeout(stm, 1);
// If there is a channel, then setting the socket timeout
// should not matter. If there is not a channel, it will
// take effect.
s.ReceiveTimeout = 1000;
if (withChannel)
{
AssertReadTimeout(stm, 1);
}
else
{
AssertReadTimeout(stm, 1000);
}
}
finally
{
IOUtils.CloseStream(stm);
IOUtils.CloseSocket(s);
ss.Close();
}
}