/// <summary>
/// Call this function if a list of commands has been arrived from the given operator in the given frame.
/// </summary>
/// <param name="theCommands">List of the arrived commands.</param>
/// <param name="opIdx">The index of the sender operator.</param>
/// <param name="frameIdx">The index of the frame of the commands.</param>
/// <returns>True in case of success, false otherwise.</returns>
public bool Command(RCPackage[] theCommands, int opIdx, int frameIdx)
{
if (theCommands == null || theCommands.Length == 0)
{
throw new ArgumentNullException("theCommands");
}
if (opIdx < 0 || opIdx >= this.commitFlags.Length)
{
throw new ArgumentOutOfRangeException("opIdx");
}
if (frameIdx < 0 || frameIdx >= this.simulatorCommands.Length)
{
throw new ArgumentOutOfRangeException("frameNum");
}
for (int i = 0; i < theCommands.Length; i++)
{
if (theCommands[i] == null || !theCommands[i].IsCommitted ||
theCommands[i].PackageType != RCPackageType.CUSTOM_DATA_PACKAGE ||
DssRoot.IsInternalFormat(theCommands[i].PackageFormat))
{
return(false);
}
}
if (this.initialized)
{
if (!this.commitFlags[opIdx])
{
if (this.simulatorCommands[frameIdx][opIdx] == null)
{
this.simulatorCommands[frameIdx][opIdx] = theCommands;
return(true);
}
else
{
/// Command list has been already sent by the given operator for the given frame.
return(false);
}
}
else
{
/// The round has been already committed by the sender operator --> error.
return(false);
}
}
else
{
throw new DssException("Uninitialized SimulationRound!");
}
}
/// <summary>
/// Creates an answer to the current setup step at guest side.
/// </summary>
/// <param name="outgoingPackages">The outgoing packages sent by the client module.</param>
/// <returns>List of the packages of the outgoing setup step answer.</returns>
/// <remarks>This function must be called at guest side.</remarks>
public RCPackage[] CreateAnswer(RCPackage[] outgoingPackages)
{
if (this.mode != DssMode.GUEST_SIDE)
{
throw new DssException("This call is only allowed at guest side!");
}
if (this.state != SetupStepState.READY)
{
throw new DssException("You can only create answer in READY state!");
}
if (outgoingPackages == null)
{
throw new ArgumentNullException("outgoingPackages");
}
int numPackages = outgoingPackages.Length + 2; /// BEGIN, END
RCPackage[] retList = new RCPackage[numPackages];
for (int i = 0; i < numPackages; i++)
{
if (i == 0) /// BEGIN
{
retList[i] = RCPackage.CreateNetworkControlPackage(DssRoot.DSS_CTRL_SETUP_STEP_AW_BEGIN);
retList[i].WriteInt(0, this.stepID);
}
else if (i == numPackages - 1) /// END
{
retList[i] = RCPackage.CreateNetworkControlPackage(DssRoot.DSS_CTRL_SETUP_STEP_MSG_END);
retList[i].WriteInt(0, this.stepID);
}
else /// Package from the client module
{
if (outgoingPackages[i - 1] != null && outgoingPackages[i - 1].IsCommitted &&
outgoingPackages[i - 1].PackageType == RCPackageType.NETWORK_CONTROL_PACKAGE &&
!DssRoot.IsInternalFormat(outgoingPackages[i - 1].PackageFormat))
{
retList[i] = outgoingPackages[i - 1];
}
else
{
throw new DssException("Outgoing setup package format error!");
}
}
} /// end-for
return(retList);
}
/// <summary>
/// Internal function to timestamp and send the given commands to the lobby.
/// </summary>
/// <param name="cmds">The list of the commands to send.</param>
private void SendCommandsToLobby(RCPackage[] cmds)
{
if (!this.initialized)
{
throw new DssException("DssSimulationMgr is uninitialized!");
}
if (cmds != null && cmds.Length != 0)
{
/// Compute the length of the buffer needed for sending the commands as a byte sequence
int bufferLength = 0;
for (int i = 0; i < cmds.Length; i++)
{
if (cmds[i] != null && cmds[i].IsCommitted && cmds[i].PackageType == RCPackageType.CUSTOM_DATA_PACKAGE &&
!DssRoot.IsInternalFormat(cmds[i].PackageFormat))
{
bufferLength += cmds[i].PackageLength;
}
else
{
throw new DssException("Unexpected command from the client module!");
}
}
/// Create the buffer and write the commands into this buffer
byte[] cmdBuffer = new byte[bufferLength];
int offset = 0;
for (int i = 0; i < cmds.Length; i++)
{
offset += cmds[i].WritePackageToBuffer(cmdBuffer, offset);
}
/// Create the DSS_COMMAND package and send it to the lobby
RCPackage cmdPackage = RCPackage.CreateNetworkCustomPackage(DssRoot.DSS_COMMAND);
cmdPackage.WriteInt(0, this.nextNextRound.RoundIndex); /// Round index of the command
cmdPackage.WriteInt(1, this.currentRound.CurrentFrameIndex); /// Frame index of the command
cmdPackage.WriteByteArray(2, cmdBuffer); /// The command list
this.root.LobbyIface.SendPackage(cmdPackage); /// Send the command package to the lobby
}
}
/// <summary>
/// Starts a new setup step at host side.
/// </summary>
/// <param name="outgoingPackages">The outgoing packages sent by the client module.</param>
/// <param name="leftList">List of the guests that left or were dropped from the DSS.</param>
/// <param name="lostList">List of the guests that the host left connection with.</param>
/// <param name="channelStates">The current state of the channels.</param>
/// <returns>List of the packages of the outgoing setup step request.</returns>
/// <remarks>This function must be called at host side.</remarks>
public RCPackage[] CreateRequest(RCPackage[] outgoingPackages,
int[] leftList,
int[] lostList,
DssChannelState[] channelStates)
{
if (this.mode != DssMode.HOST_SIDE)
{
throw new DssException("This call is only allowed at host side!");
}
if (this.state != SetupStepState.NOT_FINISHED)
{
throw new DssException("Invalid setup step state!");
}
if (channelStates == null || channelStates.Length < 1)
{
throw new ArgumentNullException("channelStates");
}
if (outgoingPackages == null)
{
throw new ArgumentNullException("outgoingPackages");
}
int numPackages = outgoingPackages.Length + 2; /// BEGIN, END
RCPackage[] retList = new RCPackage[numPackages];
for (int i = 0; i < numPackages; i++)
{
if (i == 0) /// BEGIN
{
retList[i] = RCPackage.CreateNetworkControlPackage(DssRoot.DSS_CTRL_SETUP_STEP_RQ_BEGIN);
retList[i].WriteInt(0, this.stepID);
retList[i].WriteIntArray(1, leftList != null ? leftList : new int[0] {
});
retList[i].WriteIntArray(2, lostList != null ? lostList : new int[0] {
});
byte[] stateBytes = new byte[channelStates.Length];
for (int j = 0; j < channelStates.Length; j++)
{
stateBytes[j] = (byte)channelStates[j];
}
retList[i].WriteByteArray(3, stateBytes);
}
else if (i == numPackages - 1) /// END
{
retList[i] = RCPackage.CreateNetworkControlPackage(DssRoot.DSS_CTRL_SETUP_STEP_MSG_END);
retList[i].WriteInt(0, this.stepID);
}
else /// Package from the client module
{
if (outgoingPackages[i - 1] != null && outgoingPackages[i - 1].IsCommitted &&
outgoingPackages[i - 1].PackageType == RCPackageType.NETWORK_CONTROL_PACKAGE &&
!DssRoot.IsInternalFormat(outgoingPackages[i - 1].PackageFormat))
{
retList[i] = outgoingPackages[i - 1];
}
else
{
throw new DssException("Outgoing setup package format error!");
}
}
} /// end-for
return(retList);
}
/// <summary>
/// Call this function if a control package has arrived from the network and you are waiting for a setup step
/// answer or request. This class will parse it for you automatically.
/// </summary>
/// <param name="package">The incoming control package.</param>
public void IncomingPackage(RCPackage package)
{
if (package == null)
{
throw new ArgumentNullException("package");
}
if (!package.IsCommitted)
{
throw new ArgumentException("Uncommitted package!", "package");
}
if (package.PackageType != RCPackageType.NETWORK_CONTROL_PACKAGE)
{
throw new ArgumentException("Unexpected package type!", "package");
}
if (this.state != SetupStepState.NOT_FINISHED)
{
throw new DssException("This call is only allowed in NOT_FINISHED state!");
}
if (this.mode == DssMode.HOST_SIDE)
{
/// Host side parsing
if (this.beginArrived)
{
if (!DssRoot.IsInternalFormat(package.PackageFormat))
{
this.packageListTmp.Add(package);
}
else
{
if (package.PackageFormat.ID == DssRoot.DSS_CTRL_SETUP_STEP_MSG_END &&
package.ReadInt(0) == this.stepID)
{
/// Finished
this.packageList = this.packageListTmp.ToArray();
this.state = SetupStepState.READY;
}
else
{
/// Error
this.state = SetupStepState.ERROR;
}
}
}
else /// end-if (this.beginArrived)
{
if (package.PackageFormat.ID == DssRoot.DSS_CTRL_SETUP_STEP_AW_BEGIN &&
package.ReadInt(0) == this.stepID)
{
this.beginArrived = true;
}
else
{
/// Error
this.state = SetupStepState.ERROR;
}
}
}
else /// end-if (this.mode == SetupStepMode.HOST_SIDE)
{
/// Guest side parsing
if (this.beginArrived)
{
if (!DssRoot.IsInternalFormat(package.PackageFormat))
{
this.packageListTmp.Add(package);
}
else
{
if (package.PackageFormat.ID == DssRoot.DSS_CTRL_SETUP_STEP_MSG_END &&
package.ReadInt(0) == this.stepID)
{
/// Finished
this.packageList = this.packageListTmp.ToArray();
this.state = SetupStepState.READY;
}
else
{
/// Error
this.state = SetupStepState.ERROR;
}
}
}
else /// end-if (this.beginArrived)
{
if (package.PackageFormat.ID == DssRoot.DSS_CTRL_SETUP_STEP_RQ_BEGIN)
{
/// Read the step ID
this.stepID = package.ReadInt(0);
/// Read the left-list
int[] leftList = package.ReadIntArray(1);
bool err = false;
for (int i = 0; i < leftList.Length; ++i)
{
if (leftList[i] < 0)
{
err = true;
break;
}
}
if (!err)
{
/// OK, save the list
this.leftList = leftList;
}
else
{
/// Error
this.state = SetupStepState.ERROR;
return;
}
/// Read the lost-list
int[] lostList = package.ReadIntArray(2);
err = false;
for (int i = 0; i < lostList.Length; ++i)
{
if (lostList[i] < 0)
{
err = true;
break;
}
}
if (!err)
{
/// OK, save the list
this.lostList = lostList;
}
else
{
/// Error
this.state = SetupStepState.ERROR;
return;
}
/// Read the channel-state-list
byte[] chStateBytes = package.ReadByteArray(3);
if (chStateBytes.Length != 0)
{
this.channelStateList = new DssChannelState[chStateBytes.Length];
for (int i = 0; i < chStateBytes.Length; ++i)
{
if (chStateBytes[i] == (byte)DssChannelState.CHANNEL_CLOSED ||
chStateBytes[i] == (byte)DssChannelState.CHANNEL_OPENED ||
chStateBytes[i] == (byte)DssChannelState.GUEST_CONNECTED)
{
this.channelStateList[i] = (DssChannelState)chStateBytes[i];
}
else
{
/// Error
this.state = SetupStepState.ERROR;
return;
}
}
} /// end-if (chStateBytes != null && chStateBytes.Length != 0)
else
{
/// Error
this.state = SetupStepState.ERROR;
return;
}
/// Everything is OK, the begin message arrived successfully.
this.beginArrived = true;
}
else /// end-if (package.PackageFormat.ID == DssRoot.DSS_CTRL_SETUP_STEP_RQ_BEGIN)
{
/// Error
this.state = SetupStepState.ERROR;
}
}
}
}
