public IActionResult AllNode()
{
try
{
Console.WriteLine("Get: all node...");
var requestData = new PipeRequest
{
Type = "allNode",
Value = string.Empty
};
var pipeResult = service.RunClientPipe(JsonConvert.SerializeObject(requestData));
var allNode = JsonConvert.DeserializeObject <List <Node> >(pipeResult);
if (allNode != null)
{
Response.StatusCode = 200;
return(Json(allNode));
}
else
{
Response.StatusCode = 400;
return(Json($"Error: Please supply a valid list of nodes"));
}
}
catch (Exception ex)
{
Response.StatusCode = 500;
return(Json($"ERROR: {ex.Message}"));
}
}
public IActionResult New(string sender, string recipient, double amount)
{
try
{
Console.WriteLine("Post: New Transaction...");
if (string.IsNullOrEmpty(sender) || string.IsNullOrEmpty(recipient))
{
Response.StatusCode = 400;
return(Json("Missing values"));
}
else
{
var requestData = new PipeRequest
{
Type = "newTransaction",
Value = JsonConvert.SerializeObject(new Transaction {
Sender = sender,
Recipient = recipient,
Amount = amount
})
};
Response.StatusCode = 201;
return(Json(service.RunClientPipe(JsonConvert.SerializeObject(requestData))));
}
}
catch (Exception ex)
{
Response.StatusCode = 500;
return(Json($"ERROR: {ex.Message}"));
}
}
protected void ImageRead(PipeRequest request, Pipe pipe)
{
if (Active)
{
try
{
_imageRequest = null;
try
{
if (request.Result.IsNative)
{
byte[] resultBytes = request.Result.AsByteArray;
_internalImage = System.Drawing.Image.FromStream(new MemoryStream(resultBytes, 0, resultBytes.Length, false, true));
}
else
{
using (Stream stream = request.Result.OpenStream())
{
MemoryStream copyStream = new MemoryStream();
StreamUtility.CopyStream(stream, copyStream);
_internalImage = System.Drawing.Image.FromStream(copyStream);
}
}
}
catch
{
_internalImage = ImageUtility.GetErrorImage();
}
}
finally
{
UpdateColumn();
}
}
}
/// <summary>
/// Begin writing to a network stream
/// </summary>
private Task WriteAsync <T, U>(PipeTaskState <T> state, PipeRequest <U> request, CancellationToken cancellationToken)
{
try
{
if (cancellationToken.IsCancellationRequested)
{
cancellationToken.ThrowIfCancellationRequested();
}
if (!_pipeClient.IsConnected)
{
throw new IOException("Unable to send message, no connection established.");
}
if (_pipeClient.CanWrite)
{
return(_pipeClient.WriteAsync(Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(request)), cancellationToken).AsTask());
}
}
catch (Exception ex)
{
_logger.Error($"{nameof(WriteAsync)}-{ex.Message}");
state.Response = PipeResponse <T> .SetFail(ex.Message);
}
return(Task.CompletedTask);
}
private void CancelImageRequest()
{
if (_imageRequest != null)
{
HostNode.Pipe.CancelRequest(_imageRequest);
_imageRequest = null;
}
}
protected void ImageError(PipeRequest request, Pipe pipe, Exception exception)
{
// TODO: On image error, somehow update the error (warnings) list for the form
_imageRequest = null;
if (_internalImage != null)
{
_internalImage = ImageUtility.GetErrorImage();
}
UpdateColumn();
}
protected void ImageError(PipeRequest request, Pipe pipe, Exception exception)
{
// TODO: On image error, somehow update the error (warnings) list for the form
_imageRequest = null;
if (_imageAspect != null)
{
_imageAspect.Image = ImageUtility.GetErrorImage();
}
if ((ImageWidth < 0) || (ImageHeight < 0))
{
UpdateLayout();
}
}
private void UpdateLoadedImage()
{
CancelImageRequest();
if (_image == String.Empty || !Active)
{
LoadedImage = null;
}
else
{
// Queue up an asynchronous request
_imageRequest = new PipeRequest(_image, new PipeResponseHandler(ImageRead), new PipeErrorHandler(ImageError));
HostNode.Pipe.QueueRequest(_imageRequest);
}
}
/// <summary>
/// Send message to server and return the response
/// </summary>
public async Task <PipeResponse <T> > SendMessage <T, U>(PipeRequest <U> request, CancellationToken cancellationToken)
{
var state = new PipeTaskState <T>();
await WriteAsync <T, U>(state, request, cancellationToken);
WaitForPipeDrain <T>(state);
await ReadAsync <T>(state, cancellationToken);
ConvertResponse <T>(state);
return(state.Response);
}
private void UpdateImageAspect()
{
CancelImageRequest();
if (_image == String.Empty)
{
ClearImageAspectImage();
}
else
{
// Queue up an asynchronous request
_imageRequest = new PipeRequest(_image, new PipeResponseHandler(ImageRead), new PipeErrorHandler(ImageError));
HostNode.Pipe.QueueRequest(_imageRequest);
}
}
protected void ImageRead(PipeRequest request, Pipe pipe)
{
Size oldSize;
if (Active)
{
if (_imageAspect.Image != null)
{
oldSize = _imageAspect.Image.Size;
}
else
{
oldSize = Size.Empty;
}
_imageRequest = null;
try
{
if (request.Result.IsNative)
{
byte[] resultBytes = request.Result.AsByteArray;
_imageAspect.Image = System.Drawing.Image.FromStream(new MemoryStream(resultBytes, 0, resultBytes.Length, false, true));
}
else
{
using (Stream stream = request.Result.OpenStream())
{
MemoryStream copyStream = new MemoryStream();
StreamUtility.CopyStream(stream, copyStream);
_imageAspect.Image = System.Drawing.Image.FromStream(copyStream);
}
}
}
catch
{
_imageAspect.Image = ImageUtility.GetErrorImage();
}
if ((ImageWidth < 0) || (ImageHeight < 0) || !(_imageAspect.Image.Size != oldSize))
{
UpdateLayout();
}
}
}
public IActionResult Chain()
{
try
{
Console.WriteLine("Get: Full Chain...");
var requestData = new PipeRequest
{
Type = "fullChain",
Value = string.Empty
};
Response.StatusCode = 200;
var pipeResult = service.RunClientPipe(JsonConvert.SerializeObject(requestData));
var result = JsonConvert.DeserializeObject <Chain>(pipeResult);
return(Json(result));
}
catch (Exception ex)
{
Response.StatusCode = 500;
return(Json($"ERROR: {ex.Message}"));
}
}
protected void ImageRead(PipeRequest request, Pipe pipe)
{
if (Active)
{
_imageRequest = null;
try
{
if (request.Result.IsNative)
{
LoadedImage = ImageUtility.BitmapImageFromBytes(request.Result.AsByteArray);
}
else
{
using (Stream stream = request.Result.OpenStream())
LoadedImage = ImageUtility.BitmapImageFromStream(stream);
}
}
catch
{
LoadedImage = ImageUtility.GetErrorImage();
}
}
}
static async Task Main(string[] args)
{
Console.WriteLine("Hello World!You are client!");
var logger = new logger();
var client = new PipeClient("listener", logger);
try
{
var token = new CancellationToken();
await client.Start(token);
var request = new PipeRequest <string>()
{
RequestName = "WriteCall",
Parameter = "Kabooom!"
};
var result = await client.SendMessage <int, string>(request, token);
Console.WriteLine("Result:");
Console.WriteLine($"\t IS succes? {result.IsSuccess}");
Console.WriteLine($"\t Message: {result.ErrorMessage}");
Console.WriteLine($"\t Data: {result.Data}");
client.Stop();
}
catch (Exception ex)
{
Console.WriteLine($"FATAL ERROR : {ex.Message}");
Console.WriteLine(ex.StackTrace);
}
Console.WriteLine("...");
Console.ReadKey();
}
public IActionResult Register(string address, string identifier)
{
try
{
if (!string.IsNullOrEmpty(address) && !string.IsNullOrEmpty(identifier))
{
Console.WriteLine("Post: add new Node...");
var newNode = new Node
{
Address = address,
Identifier = identifier
};
var requestData = new PipeRequest
{
Type = "registerNode",
Value = JsonConvert.SerializeObject(newNode)
};
Response.StatusCode = 201;
var result = service.RunClientPipe(JsonConvert.SerializeObject(requestData));
return(Json(JsonConvert.DeserializeObject <Node>(result)));
}
else
{
Response.StatusCode = 400;
return(Json("Missing values"));
}
}
catch (Exception ex)
{
Response.StatusCode = 500;
return(Json($"ERROR: {ex.Message}"));
}
}
protected void ImageError(PipeRequest request, Pipe pipe, Exception exception)
{
_imageRequest = null;
LoadedImage = ImageUtility.GetErrorImage();
this.HandleException(exception);
}
