/// <summary>
/// Called when a control packages arrived from the host during setup stage.
/// </summary>
/// <param name="package">The arrived control package.</param>
public void SetupStageCtrlPackage(RCPackage package)
{
if (this.sm.CurrentState == this.WaitingConnectionACK)
{
if (package.PackageFormat.ID == DssRoot.DSS_CTRL_CONN_ACK)
{
int otherMajor = package.ReadInt(0);
int otherMinor = package.ReadInt(1);
int otherBuild = package.ReadInt(2);
int otherRevision = package.ReadInt(3);
if (otherMajor >= 0 && otherMinor >= 0 && otherBuild >= 0 && otherRevision >= 0)
{
Version otherVer = new Version(otherMajor, otherMinor, otherBuild, otherRevision);
if (DssRoot.IsCompatibleVersion(otherVer))
{
this.WaitingConnectionACK_WaitingSetupStepRQ.Fire();
this.controller.ExecuteFirings();
return;
}
else
{
TraceManager.WriteAllTrace(string.Format("Incompatible with host version: {0} (RC.DssServices)", otherVer), DssTraceFilters.SETUP_STAGE_ERROR);
SetupStageError();
return;
}
}
else
{
TraceManager.WriteAllTrace("Unable to parse version information!", DssTraceFilters.SETUP_STAGE_ERROR);
SetupStageError();
return;
}
} /// end-if (package.PackageFormat.ID == DssRoot.DSS_CTRL_CONN_ACK)
else if (package.PackageFormat.ID == DssRoot.DSS_CTRL_CONN_REJECT)
{
TraceManager.WriteAllTrace(string.Format("Connection request rejected by the host! Reason: {0}", package.ReadString(0)), DssTraceFilters.SETUP_STAGE_ERROR);
SetupStageError();
return;
}
else
{
TraceManager.WriteAllTrace("Unexpected answer from host to connection request!", DssTraceFilters.SETUP_STAGE_ERROR);
SetupStageError();
return;
}
}
else if (this.sm.CurrentState == this.WaitingSetupStepRQ)
{
if (package.PackageFormat.ID == DssRoot.DSS_LEAVE)
{
/// The host left the DSS
this.guestRoot.SetupIface.HostLeftDss();
StopTimeouts();
this.guestRoot.EventQueue.ExitEventLoop();
return;
} /// end-if (package.PackageFormat.ID == DssRoot.DSS_LEAVE)
else if (package.PackageFormat.ID == DssRoot.DSS_CTRL_DROP_GUEST)
{
/// The current guest has been dropped out of the DSS by the host.
this.guestRoot.SetupIface.DroppedByHost();
StopTimeouts();
this.guestRoot.EventQueue.ExitEventLoop();
return;
} /// end-if (package.PackageFormat.ID == DssRoot.DSS_CTRL_DROP_GUEST)
else if (package.PackageFormat.ID == DssRoot.DSS_CTRL_START_SIMULATION)
{
int[] leftList = null;
int[] lostList = null;
bool[] opFlags = null;
if (ParseStartSimPackage(package, out leftList, out lostList, out opFlags))
{
StopTimeouts();
CallNotificationMethods(leftList, lostList);
this.guestRoot.SetupIface.SimulationStarted();
this.opFlagsTmp = opFlags;
this.WaitingSetupStepRQ_Simulating.Fire();
this.controller.ExecuteFirings();
return;
}
else
{
SetupStageError();
return;
}
} /// end-if (package.PackageFormat.ID == DssRoot.DSS_CTRL_START_SIMULATION)
else
{
this.guestRoot.Step.IncomingPackage(package);
if (this.guestRoot.Step.State == SetupStepState.READY)
{
/// Setup step request arrived.
this.WaitingSetupStepRQ_SendingSetupStepAW.Fire();
this.controller.ExecuteFirings();
return;
}
else if (this.guestRoot.Step.State == SetupStepState.ERROR)
{
/// Setup step request error.
SetupStageError();
return;
}
else
{
/// Setup step request not finished yet, more packages to wait.
return;
}
}
} /// end-if (this.sm.CurrentState == this.WaitingSetupStepRQ)
else
{
/// Go to error state if the package cannot be handled until now.
SetupStageError();
return;
}
}
/// <summary>
/// This function is called when a control package arrives at setup stage.
/// </summary>
/// <param name="package">The arrived control package.</param>
public void SetupStageCtrlPackage(RCPackage package)
{
bool error = false;
if (this.sm.CurrentState == this.WaitingConnectionRQ)
{
if (package.PackageFormat.ID == DssRoot.DSS_CTRL_CONN_REQUEST)
{
RCPackage rejPackage = null;
int otherMajor = package.ReadInt(0);
int otherMinor = package.ReadInt(1);
int otherBuild = package.ReadInt(2);
int otherRevision = package.ReadInt(3);
if (otherMajor >= 0 && otherMinor >= 0 && otherBuild >= 0 && otherRevision >= 0)
{
Version otherVer = new Version(otherMajor, otherMinor, otherBuild, otherRevision);
if (DssRoot.IsCompatibleVersion(otherVer))
{
/// We send back a DSS_CTRL_CONN_ACK package.
RCPackage ackPackage = RCPackage.CreateNetworkControlPackage(DssRoot.DSS_CTRL_CONN_ACK);
ackPackage.WriteInt(0, DssRoot.APPLICATION_VERSION.Major);
ackPackage.WriteInt(1, DssRoot.APPLICATION_VERSION.Minor);
ackPackage.WriteInt(2, DssRoot.APPLICATION_VERSION.Build);
ackPackage.WriteInt(3, DssRoot.APPLICATION_VERSION.Revision);
this.manager.HostRoot.Lobby.SendControlPackage(ackPackage, this.channel.Index + 1);
this.WaitingConnectionRQ_SendingSetupStepRQ.Fire();
}
else
{
/// We send back a DSS_CTRL_CONN_REJECT package
rejPackage = RCPackage.CreateNetworkControlPackage(DssRoot.DSS_CTRL_CONN_REJECT);
string reason = string.Format("Incompatible with host version: {0} (RC.DssServices)",
DssRoot.APPLICATION_VERSION.ToString());
rejPackage.WriteString(0, reason);
rejPackage.WriteByteArray(1, new byte[0]);
}
}
else
{
/// We create a DSS_CTRL_CONN_REJECT package
rejPackage = RCPackage.CreateNetworkControlPackage(DssRoot.DSS_CTRL_CONN_REJECT);
rejPackage.WriteString(0, "Unable to parse version information!");
rejPackage.WriteByteArray(1, new byte[0]);
}
/// We send back a DSS_CTRL_CONN_REJECT package if necessary.
if (rejPackage != null && rejPackage.IsCommitted)
{
this.manager.HostRoot.Lobby.SendControlPackage(rejPackage, this.channel.Index + 1);
error = true;
}
} /// end-if (package.PackageFormat.ID == DssRoot.DSS_CTRL_CONN_REQUEST)
} /// end-if (this.sm.CurrentState == this.WaitingConnectionRQ)
else if (this.sm.CurrentState == this.WaitingSetupStepAW)
{
if (package.PackageFormat.ID == DssRoot.DSS_LEAVE)
{
string leaveReason = package.ReadString(0);
string trcMsg = string.Format("Guest-{0} has left the DSS. Reason: {1}",
this.channel.Index,
leaveReason.Length != 0 ? leaveReason : "-");
TraceManager.WriteAllTrace(trcMsg, DssTraceFilters.SETUP_STAGE_INFO);
this.WaitingSetupStepAW_Inactive.Fire();
this.channel.GuestLeaveSetupStage();
} /// end-if (package.PackageFormat.ID == DssRoot.DSS_LEAVE)
else
{
SetupStep currentStep = this.manager.HostRoot.GetStep(this.channel.Index);
currentStep.IncomingPackage(package);
if (currentStep.State == SetupStepState.READY)
{
/// Setup step answer arrived.
this.WaitingSetupStepAW_SendingSetupStepRQ.Fire();
}
else if (currentStep.State == SetupStepState.ERROR)
{
/// Setup step answer error.
error = true;
}
else
{
/// Setup step answer not finished yet, more packages to wait.
}
}
} /// end-if (this.sm.CurrentState == this.WaitingSetupStepAW)
if (error)
{
/// Go to error state if the package cannot be handled until now.
SetupStageError();
this.channel.SetupStageError();
return;
}
}
