/// <summary>
/// Get resource information
/// </summary>
/// <param name="attachInfo">indicating session attach information</param>
/// <param name="timeout">indicating the timeout</param>
/// <returns>returns session information</returns>
public Task <SessionInfo> GetResourceInfo(SessionAttachInfo attachInfo, TimeSpan timeout)
{
try
{
#if net40
return(TaskEx.FromResult(InprocessSessions.GetInstance().FetchSessionInfo(attachInfo.SessionId)));
#else
return(Task.FromResult(InprocessSessions.GetInstance().FetchSessionInfo(attachInfo.SessionId)));
#endif
}
catch (SessionException e)
{
if (this.durable && attachInfo.SessionId == InprocessSessions.DebugModeSessionId && e.ErrorCode == SOAFaultCode.Session_ValidateJobFailed_AlreadyFinished)
{
// Return an empty instance of SessionInfo as it is not used in debug mode when trying to raise up a broker
#if net40
return(TaskEx.FromResult(new SessionInfo()));
#else
return(Task.FromResult(new SessionInfo()));
#endif
}
else
{
throw;
}
}
}
/// <summary>
/// Event triggered when broker finished
/// </summary>
/// <param name="sender">indicating the sender</param>
/// <param name="e">indicating the event args</param>
private void Entry_BrokerFinished(object sender, EventArgs e)
{
InprocessSessions.GetInstance().RemoveSessionInstance(this.brokerInfo.SessionId);
this.brokerEntry = null;
lock (this.frontendAdapters)
{
foreach (InprocessBrokerFrontendAdapter adapter in this.frontendAdapters)
{
adapter.ShutdownConnection();
}
}
}
/// <summary>
/// Allocate resource for service job and provide broker epr
/// </summary>
/// <param name="startInfo">indicating session start information</param>
/// <param name="durable">indicating whether it is a durable session</param>
/// <param name="timeout">indicating the timeout</param>
/// <param name="eprs">output string array of available broker epr list</param>
/// <param name="sessionInfo">output the session info</param>
/// <returns>returns unique session id</returns>
public Task <SessionAllocateInfoContract> AllocateResource(SessionStartInfo startInfo, bool durable, TimeSpan timeout)
{
SessionAllocateInfoContract sessionAllocateInfo = new SessionAllocateInfoContract();
sessionAllocateInfo.BrokerLauncherEpr = new string[0];
sessionAllocateInfo.SessionInfo = null;
sessionAllocateInfo.Id = InprocessSessions.GetInstance().AllocateSessionId(durable);
#if net40
return(TaskEx.FromResult(sessionAllocateInfo));
#else
return(Task.FromResult(sessionAllocateInfo));
#endif
}
/// <summary>
/// Create broker
/// </summary>
/// <param name="startInfo">indicating the session start information</param>
/// <param name="sessionId">indicating the session id</param>
/// <param name="targetTimeout">indicating the target timeout</param>
/// <param name="eprs">indicating the broker epr list</param>
/// <param name="attached">indicating whether it is attaching</param>
/// <param name="binding">indicating the binding</param>
/// <returns>returns the broker initialization result</returns>
private Task <SessionBase> CreateBrokerInternal(SessionStartInfo startInfo, string sessionId, bool attached, Binding binding)
{
InprocBrokerAdapter adapter = new InprocBrokerAdapter(startInfo, attached, startInfo.DebugModeEnabled, binding);
BrokerInitializationResult result;
if (this.durable)
{
result = adapter.CreateDurable(startInfo.Data, sessionId);
}
else
{
result = adapter.Create(startInfo.Data, sessionId);
}
SessionInfo info = SessionBase.BuildSessionInfo(result, this.durable, sessionId, String.Empty, startInfo.Data.ServiceVersion, startInfo);
info.InprocessBrokerAdapter = adapter;
SessionBase session;
if (this.durable)
{
session = new DurableSession(info, startInfo.Headnode, null);
}
else
{
session = new V3Session(info, startInfo.Headnode, startInfo.ShareSession, null);
}
InprocessSessions.GetInstance().AddSession(session, startInfo);
#if net40
return(TaskEx.FromResult(session));
#else
return(Task.FromResult(session));
#endif
}
/// <summary>
/// Attach to a broker, returns session instance
/// </summary>
/// <param name="attachInfo">indicating the attach information</param>
/// <param name="info">indicating the session info to be updated</param>
/// <param name="timeout">indicating the timeout</param>
/// <param name="binding">indicating the binding</param>
/// <returns>returns the session instance</returns>
public async Task <SessionBase> AttachBroker(SessionAttachInfo attachInfo, SessionInfo info, TimeSpan timeout, Binding binding)
{
SessionBase session;
try
{
session = InprocessSessions.GetInstance().FetchSessionInstance(attachInfo.SessionId);
}
catch (SessionException e)
{
if (this.durable && attachInfo.SessionId == InprocessSessions.DebugModeSessionId && e.ErrorCode == SOAFaultCode.Session_ValidateJobFailed_AlreadyFinished)
{
session = null;
}
else
{
throw;
}
}
if (session == null)
{
if (this.durable)
{
if (attachInfo.SessionId != InprocessSessions.DebugModeSessionId)
{
throw new SessionException(SOAFaultCode.InvalidSessionId, String.Format(SR.Broker_InvalidSessionId, attachInfo.SessionId));
}
SessionStartInfo startInfo = InprocessSessions.GetInstance().PreviousSessionStartInfo;
if (startInfo != null)
{
DateTime targetTimeout;
if (timeout == TimeSpan.MaxValue)
{
targetTimeout = DateTime.MaxValue;
}
else
{
targetTimeout = DateTime.Now.Add(timeout);
}
return(await this.CreateBrokerInternal(startInfo, attachInfo.SessionId, true, binding).ConfigureAwait(false));
}
}
throw new SessionException(SOAFaultCode.Session_ValidateJobFailed_AlreadyFinished, SR.Session_ValidateJobFailed_AlreadyFninshed);
}
else
{
if (this.durable)
{
if (session is V3Session)
{
throw new SessionException(SOAFaultCode.InvalidAttachInteractiveSession, SR.InvalidAttachInteractiveSession);
}
}
else
{
if (session is DurableSession)
{
throw new SessionException(SOAFaultCode.InvalidAttachDurableSession, SR.InvalidAttachDurableSession);
}
}
Debug.Assert(session.Info is SessionInfo, "[InprocessBrokerFactory] session.Info must be the type SessionInfo for inprocess broker.");
SessionInfo sessionInfo = (SessionInfo)session.Info;
Debug.Assert(sessionInfo.InprocessBrokerAdapter != null, "[InprocessBrokerFactory] session.Info.InprocessBrokerAdapter must be not null for inprocess broker.");
sessionInfo.InprocessBrokerAdapter.Attach(session.Id);
}
return(session);
}
