public ServerClient(ICommunicationChannel communicationChannel)
{
_communicationChannel = communicationChannel;
_communicationChannel.MessageReceived += CommunicationChannel_MessageReceived;
_communicationChannel.MessageSent += CommunicationChannel_MessageSent;
_communicationChannel.Disconnected += CommunicationChannel_Disconnected;
}
/// <summary>
/// Raises CommunicationChannelConnected event.
/// </summary>
/// <param name="client"></param>
protected virtual void OnCommunicationChannelConnected(ICommunicationChannel client)
{
var handler = CommunicationChannelConnected;
if (handler != null) {
handler(this, new CommunicationChannelEventArgs(client));
}
}
/// <summary>
/// Creates a new ScsClient object.
///
/// </summary>
/// <param name="communicationChannel">The communication channel that is used by client to send and receive messages</param>
public ScsServerClient(ICommunicationChannel communicationChannel)
{
this._communicationChannel = communicationChannel;
this._communicationChannel.MessageReceived += new EventHandler<MessageEventArgs>(this.CommunicationChannel_MessageReceived);
this._communicationChannel.MessageSent += new EventHandler<MessageEventArgs>(this.CommunicationChannel_MessageSent);
this._communicationChannel.Disconnected += new EventHandler(this.CommunicationChannel_Disconnected);
}
/// <summary>
/// Raises CommunicationChannelConnected event.
///
/// </summary>
/// <param name="client"/>
protected virtual void OnCommunicationChannelConnected(ICommunicationChannel client)
{
EventHandler<CommunicationChannelEventArgs> eventHandler = this.CommunicationChannelConnected;
if (eventHandler == null)
return;
eventHandler((object)this, new CommunicationChannelEventArgs(client));
}
public async Task Start(string portName, int baudRate, CancellationTokenSource cts)
{
Debug.WriteLine("Element:CommunicationTask: Start: port: {0} baudRate: {1}", portName, baudRate);
//serialPort = new CommunicationChannelBT();
serialChannel = new CommunicationChannelSerial(cts)
{
Name = portName,
BaudRate = (uint)baudRate
};
try
{
Debug.WriteLine("IP: Element:CommunicationTask: serialPort " + portName + " opening...");
await serialChannel.Open();
Debug.WriteLine("OK: Element:CommunicationTask: serialPort " + portName + " opened");
//await Task.Delay(2000);
// Notify users to initialize any devices
// they have before we start processing commands:
element.StartingCommunication(serialChannel);
running = true;
ClearJobQueues();
Task workerTask = new Task(() => ThreadProc(cts.Token), cts.Token);
workerTask.Start();
Debug.WriteLine("IP: Element:CommunicationTask: trying to synch up with the board - resetting...");
// try to synch up with the board
string resp = EnqueueCommJobAndWait(Priority.High, "reset");
//await Task.Delay(3000); // let other processes continue
// This HAS TO BE HERE...Since it takes the Element about a second to boot up
// using the new Tiny Bootloader...
//Thread.Sleep(1000);
await Task.Delay(2000);
// Clear receive buffer out, since the bootloader can send
// some junk characters, which might hose subsequent command responses:
serialChannel.DiscardInBuffer();
stopWatch.Start();
}
catch (AggregateException aexc)
{
throw new CommunicationException("CommunicationTask: Could not start communication");
}
catch (Exception exc)
{
Debug.WriteLine("Error: Element:CommunicationTask: exception while opening serial port " + portName + " : " + exc);
//await Stop();
//throw new CommunicationException("CommunicationTask: Could not start communication");
throw;
}
}
protected virtual void SendConnectedEvent(ICommunicationChannel communicationChannel)
{
EventHandler<CommunicationChannelEventArg> handler = CommunicationChannelConnected;
if (handler != null)
{
handler(this, new CommunicationChannelEventArg(communicationChannel));
}
}
public override void Connect(IPAddress ip, int port, String username)
{
IP = ip;
Port = port;
Username = username;
Client = new TcpClient();
CommunicationChannel = new TcpCommunicationChannel(Client, ip, port);
Client.BeginConnect(ip, port, ConnectCallBack, null);
}
public WCServerClient(ICommunicationChannel comChannel, String username)
: base()
{
CommunicationChannel = comChannel;
Username = username;
CommunicationChannel.MessageRecieved += new EventHandler<WCMessageEventArg>(ComChannel_OnMessageReceivedEvent);
CommunicationChannel.Disconnected += new EventHandler(ComChannel_OnDisconnectEvent);
pendingAuth = true;
}
public WebSocketContext(ICommunicationChannel channel, IBufferManager bufferManager)
{
BufferManager = bufferManager;
Channel = channel;
var session = channel as IAppSession;
if (session != null)
session.Items.Add(c_WebSocketContextKey, this);
}
/// <summary>
/// Closes the channel.
/// </summary>
/// <param name="channel">The channel.</param>
public virtual void closeChannel(ICommunicationChannel channel)
{
if (channel is StreamChannelImpl)
{
((StreamChannelImpl) channel).close();
}
if (channel is IDisposable)
{
((IDisposable)channel).Dispose();
}
channel.Command -= OnCommand;
channel.Message -= OnChannelMessage;
}
private void bridge_CommunicationsStopping(ICommunicationChannel serialDevice)
{
Debug.WriteLine("RobotPluckyHardwareBridge: bridge_CommunicationsStopping: Clean up your serial device here");
}
private void CommunicationChannel_StateChanged(ICommunicationChannel sender, CommunicationStateChangedEventArgs e)
{
//Process only Closed event
if (sender.State != CommunicationStates.Closed)
{
return;
}
//Pulse waiting threads for incoming messages, because disconnected to the server, and can not receive message anymore.
lock (_waitingMessages)
{
foreach (var waitingMessage in _waitingMessages.Values)
{
waitingMessage.WaitEvent.Set();
}
_waitingMessages.Clear();
}
}
/// <summary>
/// Creates a new MDSClient object.
/// </summary>
/// <param name="ipAddress">Ip address of the MDS server</param>
/// <param name="port">Listening TCP Port of MDS server</param>
public MDSController(string ipAddress, int port)
{
ReConnectServerOnError = true;
_reconnectTimer = new Timer(ReconnectTimer_Tick, null, Timeout.Infinite, Timeout.Infinite);
_waitingMessages = new SortedList<string, WaitingMessage>();
_incomingMessageQueue = new QueueProcessorThread<MDSMessage>();
_incomingMessageQueue.ProcessItem += IncomingMessageQueue_ProcessItem;
_communicationChannel = new TCPChannel(ipAddress, port);
_communicationChannel.MessageReceived += CommunicationChannel_MessageReceived;
_communicationChannel.StateChanged += CommunicationChannel_StateChanged;
LastIncomingMessageTime = DateTime.MinValue;
LastOutgoingMessageTime = DateTime.MinValue;
}
private void HandleDisconnection(ICommunicationChannel disconnectingChannel)
{
_connectedClients.Remove(disconnectingChannel);
disconnectingChannel.MessageReceived -= HandleMessageReceived;
}
/// <summary>
/// Connects to server.
///
/// </summary>
public void Connect()
{
this.WireProtocol.Reset();
this._communicationChannel = this.CreateCommunicationChannel();
this._communicationChannel.WireProtocol = this.WireProtocol;
this._communicationChannel.Disconnected += new EventHandler(this.CommunicationChannel_Disconnected);
this._communicationChannel.MessageReceived += new EventHandler<MessageEventArgs>(this.CommunicationChannel_MessageReceived);
this._communicationChannel.MessageSent += new EventHandler<MessageEventArgs>(this.CommunicationChannel_MessageSent);
this._communicationChannel.Start();
this._pingTimer.Start();
this.OnConnected();
}
private static BuildToolsServer StartBuildServer(Mock <IProject> projectMock, ICommunicationChannel channel, IFileSynchronizationManager deployManager = null, IBuildErrorProcessor errorProcessor = null)
{
deployManager = deployManager ?? new Mock <IFileSynchronizationManager>().Object;
errorProcessor = errorProcessor ?? new Mock <IBuildErrorProcessor>().Object;
var output = new Mock <IOutputWindowManager>();
output.Setup((w) => w.GetExecutionResultPane()).Returns(new Mock <IOutputWindowWriter>().Object);
var server = new BuildToolsServer(projectMock.Object, channel, output.Object, errorProcessor, deployManager, null);
projectMock.Raise((p) => p.Loaded += null, projectMock.Object.Options); // starts the server
return(server);
}
private void registerChannel(ICommunicationChannel channel)
{
channel.Command += OnCommand;
channel.Message += OnChannelMessage;
}
public static TransactionObserver BuildTransactionObserver(ICommunicationChannel channel)
{
return(new TransactionObserver(channel));
}
/// <summary>
/// Encodes a given vector
/// </summary>
/// <param name="vector">A vector to encode</param>
/// <param name="encoder">Encoder to encode vector with</param>
/// <returns>Resulting text</returns>
public static async Task <StringResultWithErrorPositions> EncodeAndSendVector(string vector, IEncoder encoder, ICommunicationChannel channel)
{
var bits = vectorConverter.ToBitStream(vector);
var encodedBits = await Task.FromResult(encoder.Encode(bits));
var bitsAfterTransmission = await Task.FromResult(channel.Transmit(encodedBits));
var errors = encodedBits.DifferenceWithPositions(bitsAfterTransmission);
var encodedVector = vectorConverter.FromBitStream(encodedBits);
return(new StringResultWithErrorPositions
{
ErrorPositions = errors,
Errors = errors.Count,
Result = encodedVector
});
}
public override void Run()
{
while (true)
{
if (Enclosing_Instance.commandQueue.Count == 0)
{
try
{
Thread.Sleep(new TimeSpan(10000 * 10));
}
catch (ThreadInterruptedException e)
{
// TODO Auto-generated catch block
//SupportClass.WriteStackTrace(e, Console.Error);
}
catch (Exception e)
{
//SupportClass.WriteStackTrace(e, Console.Error);
return;
}
}
else
{
CommandObject schabau = (CommandObject)Enclosing_Instance.commandQueue[0];
Enclosing_Instance.commandQueue.RemoveAt(0);
if (schabau != null)
{
Enclosing_Instance.currentChannelId = schabau.channelId;
try
{
Enclosing_Instance.messageQueue.Add(new MessageEvent(MessageEvent.COMMAND, schabau.command, Enclosing_Instance.currentChannelId));
IReturnVector result = Enclosing_Instance.interpreter.executeCommand(schabau.command);
Enclosing_Instance.messageQueue.Add(new MessageEvent(MessageEvent.RESULT, result, Enclosing_Instance.currentChannelId));
}
catch (Exception e)
{
Enclosing_Instance.postMessageEvent(new MessageEvent(MessageEvent.ERROR, e, Enclosing_Instance.currentChannelId));
}
finally
{
Enclosing_Instance.currentChannelId = null;
}
}
}
MessageEvent[] evts = (MessageEvent[])Enclosing_Instance.messageQueue.ToArray(typeof(MessageEvent));
ArrayList allMessages = new ArrayList(evts);
Enclosing_Instance.messageQueue.Clear();
for (int i = 0; i < allMessages.Count; ++i)
{
MessageEvent event_Renamed = (MessageEvent)allMessages[i];
lock (Enclosing_Instance.idToChannel)
{
IEnumerator ch = Enclosing_Instance.idToChannel.Values.GetEnumerator();
while (ch.MoveNext())
{
ICommunicationChannel channel = (ICommunicationChannel)ch.Current;
if (InterestType.ALL == channel.Interest || (InterestType.MINE == channel.Interest) && channel.ChannelId.Equals(event_Renamed.ChannelId))
{
IList messageList = (IList)Enclosing_Instance.idToMessages.Get(channel.ChannelId);
if (messageList != null)
{
messageList.Add(event_Renamed);
}
}
}
}
}
}
}
/// <summary>
/// This event handles incoming messages from communication channel.
/// </summary>
/// <param name="sender">Communication channel that received message</param>
/// <param name="e">Event arguments</param>
private void CommunicationChannel_MessageReceived(ICommunicationChannel sender, Communication.Channels.MessageReceivedEventArgs e)
{
//Update last incoming message time
LastIncomingMessageTime = DateTime.Now;
//Check for duplicate messages.
if (e.Message.MessageTypeId == NGRIDMessageFactory.MessageTypeIdNGRIDDataTransferMessage)
{
var dataMessage = e.Message as NGRIDDataTransferMessage;
if (dataMessage != null)
{
if (dataMessage.MessageId == LastAcknowledgedMessageId)
{
try
{
SendMessageInternal(new NGRIDOperationResultMessage
{
RepliedMessageId = dataMessage.MessageId,
Success = true,
ResultText = "Duplicate message."
});
}
catch (Exception ex)
{
Logger.Warn(ex.Message, ex);
}
return;
}
}
}
//Check if there is a waiting thread for this message (in SendAndWaitForReply method)
if (!string.IsNullOrEmpty(e.Message.RepliedMessageId))
{
WaitingMessage waitingMessage = null;
lock (_waitingMessages)
{
if (_waitingMessages.ContainsKey(e.Message.RepliedMessageId))
{
waitingMessage = _waitingMessages[e.Message.RepliedMessageId];
}
}
if (waitingMessage != null)
{
if (waitingMessage.WaitingResponseType == e.Message.MessageTypeId)
{
waitingMessage.ResponseMessage = e.Message;
waitingMessage.State = WaitingMessageStates.ResponseReceived;
waitingMessage.WaitEvent.Set();
return;
}
if (e.Message.MessageTypeId == NGRIDMessageFactory.MessageTypeIdNGRIDOperationResultMessage)
{
var resultMessage = e.Message as NGRIDOperationResultMessage;
if ((resultMessage != null) && (!resultMessage.Success))
{
waitingMessage.State = WaitingMessageStates.MessageRejected;
waitingMessage.WaitEvent.Set();
return;
}
}
}
}
//If this message is not a response, then add it to message process queue
_incomingMessageQueue.Add(e.Message);
}
public RxControllerActions(ICommunicationChannel channel, ITransactionProcessor processor)
{
this.channel = channel;
this.processor = processor;
}
public override void Close(ICommunicationChannel channel, CloseReason reason)
{
channel.Close(reason);
}
public NetworkClient(ICommunicationChannel communicationChannel) : base(communicationChannel)
{
}
/// <summary>
/// This event handles incoming messages from communication channel.
/// </summary>
/// <param name="sender">Communication channel that received message</param>
/// <param name="e">Event arguments</param>
private void CommunicationChannel_MessageReceived(ICommunicationChannel sender, Communication.Channels.MessageReceivedEventArgs e)
{
//Update last incoming message time
LastIncomingMessageTime = DateTime.Now;
//Check for duplicate messages.
if (e.Message.MessageTypeId == NGRIDMessageFactory.MessageTypeIdNGRIDDataTransferMessage)
{
var dataMessage = e.Message as NGRIDDataTransferMessage;
if (dataMessage != null)
{
if (dataMessage.MessageId == LastAcknowledgedMessageId)
{
try
{
SendMessageInternal(new NGRIDOperationResultMessage
{
RepliedMessageId = dataMessage.MessageId,
Success = true,
ResultText = "Duplicate message."
});
}
catch (Exception ex)
{
Logger.Warn(ex.Message, ex);
}
return;
}
}
}
//Check if there is a waiting thread for this message (in SendAndWaitForReply method)
if (!string.IsNullOrEmpty(e.Message.RepliedMessageId))
{
WaitingMessage waitingMessage = null;
lock (_waitingMessages)
{
if (_waitingMessages.ContainsKey(e.Message.RepliedMessageId))
{
waitingMessage = _waitingMessages[e.Message.RepliedMessageId];
}
}
if (waitingMessage != null)
{
if (waitingMessage.WaitingResponseType == e.Message.MessageTypeId)
{
waitingMessage.ResponseMessage = e.Message;
waitingMessage.State = WaitingMessageStates.ResponseReceived;
waitingMessage.WaitEvent.Set();
return;
}
if(e.Message.MessageTypeId == NGRIDMessageFactory.MessageTypeIdNGRIDOperationResultMessage)
{
var resultMessage = e.Message as NGRIDOperationResultMessage;
if ((resultMessage != null) && (!resultMessage.Success))
{
waitingMessage.State = WaitingMessageStates.MessageRejected;
waitingMessage.WaitEvent.Set();
return;
}
}
}
}
//If this message is not a response, then add it to message process queue
_incomingMessageQueue.Add(e.Message);
}
/// <summary> /// Creates a new CommunicationChannelEventArgs object. /// </summary> /// <param name="channel">Communication channel that is associated with this event</param> public CommunicationChannelEventArgs(ICommunicationChannel channel) => Channel = channel;
private void registerChannel(ICommunicationChannel channel)
{
channel.Command += OnCommand;
channel.Message += OnChannelMessage;
}
private void SignalCommunicationsStopping(ICommunicationChannel sp)
{
CommunicationsStopping?.Invoke(sp);
}
private void HandleConnection(ICommunicationChannel ch)
{
_connectedClients.Add(ch);
ch.MessageReceived += HandleMessageReceived;
}
internal void StoppingCommunication(ICommunicationChannel sp)
{
if (communicating)
{
SignalCommunicationsStopping(sp);
}
}
public NetworkClient(ICommunicationChannel communicationChannel)
: base(communicationChannel)
{
}
private void SignalCommunicationsStopping(ICommunicationChannel sp)
{
CommunicationsStopping?.Invoke(sp);
}
/// <summary>
/// This event handles incoming messages from communication channel.
/// </summary>
/// <param name="sender">Communication channel that received message</param>
/// <param name="e">Event arguments</param>
private void CommunicationChannel_MessageReceived(ICommunicationChannel sender, MessageReceivedEventArgs e)
{
LastIncomingMessageTime = DateTime.Now;
if ((e.Message.MessageTypeId == MDSMessageFactory.MessageTypeIdMDSControllerMessage) && (!string.IsNullOrEmpty(e.Message.RepliedMessageId)))
{
//Find and send signal/pulse to waiting thread for this message
WaitingMessage waitingMessage = null;
lock (_waitingMessages)
{
if (_waitingMessages.ContainsKey(e.Message.RepliedMessageId))
{
waitingMessage = _waitingMessages[e.Message.RepliedMessageId];
}
}
if (waitingMessage != null)
{
waitingMessage.ResponseMessage = e.Message as MDSControllerMessage;
waitingMessage.WaitEvent.Set();
return;
}
}
//Add message to queue to process in a seperated thread
_incomingMessageQueue.Add(e.Message);
}
internal static Task MessageLoopAsync(
this TcpClient client,
ICommunicationChannel channel,
Action <Exception> errorHandler,
CancellationToken cancellationToken)
{
Exception error = null;
var remoteEndPoint = string.Empty;
var localEndPoint = string.Empty;
try
{
remoteEndPoint = client.Client.RemoteEndPoint?.ToString();
localEndPoint = client.Client.LocalEndPoint?.ToString();
}
catch (SocketException socketException)
{
EqtTrace.Error(
"TcpClientExtensions.MessageLoopAsync: Failed to access the endpoint due to socket error: {0}",
socketException);
}
// Set read timeout to avoid blocking receive raw message
while (channel != null && !cancellationToken.IsCancellationRequested)
{
EqtTrace.Verbose("TcpClientExtensions.MessageLoopAsync: Polling on remoteEndPoint: {0} localEndPoint: {1}", remoteEndPoint, localEndPoint);
try
{
if (client.Client.Poll(STREAMREADTIMEOUT, SelectMode.SelectRead))
{
EqtTrace.Verbose("TcpClientExtensions.MessageLoopAsync: NotifyDataAvailable remoteEndPoint: {0} localEndPoint: {1}", remoteEndPoint, localEndPoint);
channel.NotifyDataAvailable();
}
}
catch (IOException ioException)
{
var socketException = ioException.InnerException as SocketException;
if (socketException != null &&
socketException.SocketErrorCode == SocketError.TimedOut)
{
EqtTrace.Info(
"Socket: Message loop: failed to receive message due to read timeout {0}, remoteEndPoint: {1} localEndPoint: {2}",
ioException,
remoteEndPoint,
localEndPoint);
}
else
{
EqtTrace.Error(
"Socket: Message loop: failed to receive message due to socket error {0}, remoteEndPoint: {1} localEndPoint: {2}",
ioException,
remoteEndPoint,
localEndPoint);
error = ioException;
break;
}
}
catch (Exception exception)
{
EqtTrace.Error(
"Socket: Message loop: failed to receive message {0}, remoteEndPoint: {1} localEndPoint: {2}",
exception,
remoteEndPoint,
localEndPoint);
error = exception;
break;
}
}
// Try clean up and raise client disconnected events
errorHandler(error);
EqtTrace.Verbose("TcpClientExtensions.MessageLoopAsync: exiting MessageLoopAsync remoteEndPoint: {0} localEndPoint: {1}", remoteEndPoint, localEndPoint);
return(Task.FromResult(0));
}
/// <summary> /// Raises CommunicationChannelConnected event. /// </summary> /// <param name="client"></param> protected virtual void OnCommunicationChannelConnected(ICommunicationChannel client) => CommunicationChannelConnected?.Invoke(this, new CommunicationChannelEventArgs(client));
/// <summary>
/// Closes the specified channel.
/// </summary>
/// <param name="channel">The channel.</param>
/// <param name="reason">The reason.</param>
public override void Close(ICommunicationChannel channel, CloseReason reason)
{
channel.Close(reason);
}
/// <summary>
/// Creates a new CommunicationChannelEventArgs object.
///
/// </summary>
/// <param name="channel">Communication channel that is associated with this event</param>
public CommunicationChannelEventArgs(ICommunicationChannel channel)
{
this.Channel = channel;
}
// Token: 0x06000761 RID: 1889 public abstract void Close(ICommunicationChannel channel, CloseReason reason);
public ClientCommunicator()
{
this._participant = new UdpParticipant();
this._participant.ManagerFound += ((sender, e) =>
{
// Found a game host.
this._managerCommunicationChannel = _participant.CreateCommunicationChannel(e.Id);
this._managerGuid = e.Id;
this.GameAvailable(this, EventArgs.Empty);
});
this._participantCommunicationChannel = new TcpCommunicationChannel();
this._participantCommunicationChannel.MessageReceived += ((sender, e) =>
{
// Decode the message that the game host sent to us.
string[] message = e.Message.ToString().Split('-');
switch (message[0])
{
case QUESTION_COMMAND: // The game host sent a question to us.
NewQuestionAvailable(this,
new QuestionEventArgs { Question = ParseQuestion(e.Message.ToString()) });
break;
case JOIN_COMMAND: // The game host sent a confirmation that we are connected.
this.HostJoinStatusMessageReceived(this,
new HostJoinStatusMessageReceivedArgs { IsJoined = Boolean.Parse(message[1]) });
break;
}
});
}
public Publisher([Dependency(ChannelNames.Server)] ICommunicationChannel publishChannel)
{
_publishChannel = publishChannel;
}
public async Task Stop()
{
running = false;
stopWatch.Stop();
//commandsBufferBlock.Complete();
actionBlock.Complete();
Flush();
await Task.Delay(100);
// Notify users to clean up any devices
// connected to the serial port if need be, before closing it.
arduinoBrick.StoppingCommunication(serialChannel);
if (serialChannel != null)
{
serialChannel.DiscardInBuffer();
serialChannel.Close();
serialChannel = null;
}
}
public async Task Start(string portName, int baudRate, CancellationTokenSource cts)
{
Debug.WriteLine("ArduinoBrick:CommunicationTask: Start: port: {0} baudRate: {1}", portName, baudRate);
cancellationTokenSource = cts;
//serialPort = new CommunicationChannelBT();
serialChannel = new CommunicationChannelSerial(cts)
{
Name = portName,
BaudRate = (uint)baudRate,
NewLineIn = "\r\n>",
NewLineOut = "\r"
};
try
{
Debug.WriteLine("IP: ArduinoBrick:CommunicationTask: serialPort " + portName + " opening...");
await serialChannel.Open();
Debug.WriteLine("OK: ArduinoBrick:CommunicationTask: serialPort " + portName + " opened");
//await Task.Delay(2000);
// Notify users to initialize any devices
// they have before we start processing commands:
arduinoBrick.StartingCommunication(serialChannel);
//commandsBufferBlock = new BufferBlock<CommandAndResponse>(
// new DataflowBlockOptions() { CancellationToken = cts.Token });
actionBlock = new ActionBlock<CommandAndResponse>(
async prompt =>
{
await serialChannel.WriteLine(prompt.command);
string response = await serialChannel.ReadLine();
prompt.completionSource.SetResult(response);
},
new ExecutionDataflowBlockOptions() { CancellationToken = cts.Token, BoundedCapacity = 10 });
//commandsBufferBlock.LinkTo(actionBlock, new DataflowLinkOptions { PropagateCompletion = true });
Debug.WriteLine("IP: ArduinoBrick:CommunicationTask: trying to synch up with the board - resetting...");
string resp = null;
int count = 10;
bool boardFound = false;
while (count-- > 0)
{
// try to sync up with the board
resp = await SendAndReceive("reset");
Debug.WriteLine("OK: ArduinoBrick:CommunicationTask: 'reset' -> '" + resp + "'");
if (string.Equals(resp, "Arduino firmware Plucky Wheels"))
{
boardFound = true;
break;
}
}
if (boardFound)
{
Debug.WriteLine("OK: ArduinoBrick:CommunicationTask: found Plucky Wheels Arduino brick");
}
else
{
throw new CommunicationException("CommunicationTask: Could not find Plucky Wheels Arduino brick, invalid response to 'reset' at serial port " + portName);
}
stopWatch.Start();
running = true;
}
catch (AggregateException aexc)
{
throw new CommunicationException("CommunicationTask: Could not start communication");
}
catch (Exception exc)
{
Debug.WriteLine("Error: ArduinoBrick:CommunicationTask: exception while opening serial port " + portName + " : " + exc);
//await Stop();
//throw new CommunicationException("CommunicationTask: Could not start communication");
throw;
}
}
/// <summary>
/// Connects to server.
/// </summary>
public void Connect()
{
WireProtocol.Reset();
_communicationChannel = CreateCommunicationChannel();
_communicationChannel.WireProtocol = WireProtocol;
_communicationChannel.Disconnected += CommunicationChannel_Disconnected;
_communicationChannel.MessageReceived += CommunicationChannel_MessageReceived;
_communicationChannel.MessageSent += CommunicationChannel_MessageSent;
_communicationChannel.Start();
_pingTimer.Start();
OnConnected();
}
public async Task Stop()
{
running = false;
stopWatch.Stop();
sem.Up();
await Task.Delay(100);
// Notify users to clean up any devices
// connected to the serial port if need be, before closing it.
element.StoppingCommunication(serialChannel);
if (serialChannel != null)
{
// Clear receive buffer out, since the bootloader can send
// some just characters, which might hose subsequent command responses:
//serialPort.DiscardInBuffer();
serialChannel.Close();
serialChannel = null;
}
}
private void bridge_CommunicationsStarting(ICommunicationChannel serialDevice)
{
Debug.WriteLine("RobotShortyHardwareBridge: bridge_CommunicationsStarting: Init your serial device here");
}
/// <summary>
/// Creates a new CommunicationChannelEventArgs object.
///
/// </summary>
/// <param name="channel">Communication channel that is associated with this event</param>
public CommunicationChannelEventArgs(ICommunicationChannel channel)
{
this.Channel = channel;
}