public RequestNetworkStream(EndpointAddress to)
{
_to = to;
if (!InternalLog)
{
InternalLogger.GetInstance().SwitchOffForCurrentThread();
}
}
/// <summary>
/// Perform common initialization/finalization. Run test action.
/// </summary>
/// <param name="action">Test "body"</param>
/// <param name="cleanUpAction">Clean-up </param>
protected void RunTest(Action action, Action cleanUpAction)
{
if (allPassedModeOn())
{
return;
}
try
{
_halted = false;
Exception exc = null;
try
{
System.Diagnostics.Debug.WriteLine("Begin test - inside 1");
BeginTest();
if (this is IBaseOnvifService)
{
(this as IBaseOnvifService).GeneralInitialize();
}
System.Diagnostics.Debug.WriteLine("Begin test - do action");
action();
System.Diagnostics.Debug.WriteLine("Begin test - action done");
if (cleanUpAction == null)
{
System.Diagnostics.Debug.WriteLine("Begin test - to end test");
EndTest(TestStatus.Passed);
return;
}
}
catch (StopEventException)
{
System.Diagnostics.Debug.WriteLine("HALT");
if (_videoForm != null)
{
_videoForm.CloseWindow();
}
if (NewGenVideo != null)
{
NewGenVideo.CloseWindow();
}
Release();
_halted = true;
LogStepEvent("Halted");
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Begin test - Exception in action");
StepFailed(ex);
System.Diagnostics.Debug.WriteLine("Begin test - fail reported");
if (InternalLog)
{
InternalLogger.GetInstance().SwitchOnForCurrentThread();
}
else
{
InternalLogger.GetInstance().SwitchOffForCurrentThread();
}
InternalLogger.GetInstance().LogMessage("Uncaught exception is thrown during the test!");
InternalLogger.GetInstance().LogException(ex);
if (cleanUpAction == null)
{
System.Diagnostics.Debug.WriteLine("Begin test - doing Release");
Release();
TestFailed(ex);
return;
}
else
{
exc = ex;
}
}
if (cleanUpAction != null && !_halted)
{
try
{
System.Diagnostics.Debug.WriteLine("Clean up");
cleanUpAction();
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Exception when trying to restore settings");
StepFailed(ex);
exc = ex;
}
if (exc == null)
{
System.Diagnostics.Debug.WriteLine("End test - passed");
EndTest(TestStatus.Passed);
}
else
{
System.Diagnostics.Debug.WriteLine("Test failed");
try
{
Release();
}
catch (Exception)
{
}
TestFailed(exc);
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("new catch - Test failed");
TestFailed(ex);
}
}
/// <summary>
/// Perform common initialization/finalization. Run test action.
/// </summary>
/// <param name="action">Test "body"</param>
/// <param name="cleanUpAction">Clean-up </param>
protected void RunTest(Action action, Action cleanUpAction)
{
if (allPassedModeOn())
{
return;
}
try
{
_halted = false;
Exception exc = null;
try
{
System.Diagnostics.Debug.WriteLine("Begin test - inside 1");
BeginTest();
System.Diagnostics.Debug.WriteLine("Begin test - do action");
action();
System.Diagnostics.Debug.WriteLine("Begin test - action done");
if (cleanUpAction == null)
{
System.Diagnostics.Debug.WriteLine("Begin test - to end test");
EndTest(TestStatus.Passed);
return;
}
}
catch (StopEventException)
{
System.Diagnostics.Debug.WriteLine("HALT");
if (_videoForm != null)
{
_videoForm.CloseWindow();
}
Release();
_halted = true;
LogStepEvent("Halted");
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Begin test - Exception in action");
StepFailed(ex);
System.Diagnostics.Debug.WriteLine("Begin test - fail reported");
if (InternalLog)
{
InternalLogger.GetInstance().SwitchOnForCurrentThread();
}
else
{
InternalLogger.GetInstance().SwitchOffForCurrentThread();
}
InternalLogger.GetInstance().LogMessage("Uncaught exception is thrown during the test!");
InternalLogger.GetInstance().LogMessage("Exception stack below:");
var prefix = " ";
for (var e = ex; null != e; e = e.InnerException)
{
InternalLogger.GetInstance().LogMessage(string.Format("{0}{1}: {2}", prefix, e.GetType().Name, e.Message));
}
InternalLogger.GetInstance().LogMessage(ex.StackTrace);
if (cleanUpAction == null)
{
System.Diagnostics.Debug.WriteLine("Begin test - doing Release");
Release();
TestFailed(ex);
return;
}
else
{
exc = ex;
}
}
if (cleanUpAction != null && !_halted)
{
try
{
System.Diagnostics.Debug.WriteLine("Clean up");
cleanUpAction();
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Exception when trying to restore settings");
StepFailed(ex);
exc = ex;
}
if (exc == null)
{
System.Diagnostics.Debug.WriteLine("End test - passed");
EndTest(TestStatus.Passed);
}
else
{
System.Diagnostics.Debug.WriteLine("Test failed");
try
{
Release();
}
catch (Exception)
{
}
TestFailed(exc);
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("new catch - Test failed");
TestFailed(ex);
}
}
public void EnsureOpen(EndpointAddress address)
{
InternalLogger.GetInstance().LogMessage("Entered EnsureOpen");
try
{
//bool close = false;
bool close = _to != address;
if (close && null != _to)
{
InternalLogger.GetInstance().LogMessage(string.Format("Endpoint address changed. Old: {0}. New: {1}.", _to, address));
}
_to = address;
var createFlag = false;
if (_socket == null)
{
close = true;
createFlag = true;
InternalLogger.GetInstance().LogMessage(string.Format("Socket for endpoint with address {0} does not exist.", _to));
}
else
{
InternalLogger.GetInstance().LogMessage(string.Format("Socket exists and is{0} connected to remote host.", _socket.Connected ? "" : "n't"));
if (_socket.Connected)
{
var timeout = 500;
bool writePoll = _socket.Poll(timeout, SelectMode.SelectWrite);
InternalLogger.GetInstance().LogMessage(string.Format("Socket.Poll({0}, SelectMode.SelectWrite): {1}.", timeout, writePoll));
if (writePoll)
{
try
{
_socket.Send(new byte[0]);
InternalLogger.GetInstance().LogMessage("Socket.Send is called successfully.");
}
catch (SocketException e)
{
InternalLogger.GetInstance().LogMessage(string.Format("Socket.Send has thrown an exception: {0}", e.Message));
if (!e.NativeErrorCode.Equals(SocketError.WouldBlock))
{
InternalLogger.GetInstance().LogMessage(string.Format(" The socket is dead because thrown exception isn't WSAEWOULDBLOCK."));
close = true;
}
else
{
InternalLogger.GetInstance().LogMessage(string.Format(" The socket is alive because thrown exception is WSAEWOULDBLOCK."));
}
}
var readPoll = _socket.Poll(timeout, SelectMode.SelectRead);
if (!close && readPoll)
{
InternalLogger.GetInstance().LogMessage(string.Format("Socket.Poll({0}, SelectMode.SelectRead): {1}.", timeout, readPoll));
var T = _socket.ReceiveTimeout;
try
{
//By MSDN _socket.Poll(timeout, SelectMode.SelectRead) can return true if the connection has been closed, reset, or terminated.
//For example, if socket receives TCP packet with flags [FIN, ACK] _socket.Poll(timeout, SelectMode.SelectRead) returns true.
//To check this case we perform fake Receive with ReceiveTimeout = 1.
//If ec == SocketError.Success then the connection has been closed, reset, or terminated.
//For example, if connection is still alive then ec after fake Receive will be SocketError.TimedOut.
SocketError ec;
_socket.ReceiveTimeout = 1;
_socket.Receive(new byte[0], 0, 0, SocketFlags.Peek, out ec);
InternalLogger.GetInstance().LogMessage(string.Format("Socket.Receive is called successfully. Socket Error: {0}.", ec));
close = SocketError.Success == ec;
}
catch (Exception e)
{
InternalLogger.GetInstance().LogMessage(string.Format(" The socket is dead because Socket.Send has thrown an exception: {0}.", e.Message));
close = true;
}
finally
{
_socket.ReceiveTimeout = T;
}
}
}
else
{
close = true;
}
}
else
{
close = true;
}
}
if (close || AlwaysReconnect)
{
if (AlwaysReconnect)
{
InternalLogger.GetInstance().LogMessage(string.Format("AlwaysReconnect is set. Socket for endpoint with address {0} will be recreated.", _to));
}
else
{
InternalLogger.GetInstance().LogMessage(string.Format("Socket for endpoint with address {0} will be {1}created.", _to, createFlag ? "re" : ""));
}
Close();
Connect();
}
}
finally
{
InternalLogger.GetInstance().LogMessage("Exited EnsureOpen");
}
}
public Message Request(Message message, TimeSpan timeout)
{
// check input parameters
if (message == null)
{
throw new ArgumentNullException("message");
}
if (timeout < TimeSpan.Zero)
{
throw new ArgumentOutOfRangeException("timeout");
}
_currentMessage = message;
if (_endpointController != null)
{
_to = _endpointController.Address;
}
if (_wsaController != null)
{
_wsaController.ProcessRequest(message);
message.Headers.To = _endpointController.Address.Uri;
}
else
{
// clear headers since not all cameras understand them.
message.Headers.Action = null;
message.Headers.ReplyTo = null;
message.Headers.MessageId = null;
}
// check if underlying stream has not been closed by the server
NetworkStream.EnsureOpen(_to);
base.ThrowIfDisposedOrNotOpen();
_currentMessageBytes = null;
// send message
// Start reading
// Wait first byte for timeout.TotalMilliseconds
int readTimeout = (int)timeout.TotalMilliseconds;
// initialize variables
MemoryStream responseStream = null;
HttpPacket header = null;
var messageCopy = message.CreateBufferedCopy(int.MaxValue);
try
{
WriteMessageToStream(messageCopy.CreateMessage());
do
{
responseStream = new MemoryStream();
GetResponse(responseStream, out header, readTimeout);
} while (header.StatusCode == (int)System.Net.HttpStatusCode.Continue);
}
catch (ApplicationException)
{
throw;
}
catch (Exception e)
{
if (InternalLog)
{
InternalLogger.GetInstance().SwitchOnForCurrentThread();
}
else
{
InternalLogger.GetInstance().SwitchOffForCurrentThread();
}
InternalLogger.GetInstance().LogMessage("During sending request to the DUT exception has been thrown!");
InternalLogger.GetInstance().LogException(e);
InternalLogger.GetInstance().LogMessage("EnsureOpen was called. Trying to forcibly reopen the network stream and send the request again.");
NetworkStream.Close();
NetworkStream.Connect();
WriteMessageToStream(messageCopy.CreateMessage());
do
{
responseStream = new MemoryStream();
GetResponse(responseStream, out header, readTimeout);
} while (header.StatusCode == (int)System.Net.HttpStatusCode.Continue);
}
// check status 401
bool digestEnabled = false;
if (CredentialsProvider != null)
{
digestEnabled = CredentialsProvider.Security == Security.Digest ||
CredentialsProvider.Security == Security.DigestTesting;
}
if (header.StatusCode == (int)System.Net.HttpStatusCode.Unauthorized)
{
if (digestEnabled)
{
System.Diagnostics.Debug.WriteLine("HTTP 401 received");
foreach (string connectionHeader in header.Connection)
{
if (StringComparer.InvariantCultureIgnoreCase.Compare(connectionHeader, "close") == 0)
{
NetworkStream.Close();
NetworkStream.EnsureOpen(_to);
break;
}
}
// Send request once more.
_digestAuthChallenge = header;
// uses _digestAuthChallenge (and _currentMessageBytes), so behaviour will be different
// (_digestAuthChallenge might be not null by the first attempt, but if we get status 401,
// it will be updated)
WriteMessageToStream(message);
do
{
responseStream = new MemoryStream();
GetResponse(responseStream, out header, readTimeout);
} while (header.StatusCode == (int)System.Net.HttpStatusCode.Continue);
if (header.StatusCode == (int)System.Net.HttpStatusCode.Unauthorized)
{
LogResponse(responseStream, header);
NetworkStream.Close();
throw new AccessDeniedException("Digest authentication FAILED (HTTP status 401 received)");
}
}
else
{
NetworkStream.Close();
LogResponse(responseStream, header);
throw new AccessDeniedException("Access denied (HTTP status 401 received)");
}
}
// 2011/12/06: optimization postponed to the next project.
// 2012/04/13: restore
foreach (string connectionHeader in header.Connection)
{
if (StringComparer.InvariantCultureIgnoreCase.Compare(connectionHeader, "close") == 0)
{
NetworkStream.Close();
break;
}
}
int count = (int)responseStream.Length - header.BodyOffset;
// parse response and notify listeners
LogResponse(responseStream, header);
if (header.ContentLength < count)
{
if (header.Headers.ContainsKey(HttpHelper.CONTENTLENGTH))
{
throw new HttpProtocolException(
string.Format("An error occurred while receiving packet. Expected length: {0}, received: {1}",
header.ContentLength, count));
}
else
{
if (!header.NoBodySupposed)
{
if (header.StatusCode != (int)System.Net.HttpStatusCode.OK)
{
throw new HttpProtocolException(
string.Format("An error returned. Error code: {0}, error description: {1}",
header.StatusCode, header.StatusDescription));
}
else
{
throw new HttpProtocolException("Content-Length header is missing");
}
}
}
}
// validate headers
HttpHelper.ValidateHttpHeaders(header);
return(ReadMessage(responseStream, header));
}
