public virtual void Send <I, O>(string service, string method, I payload, ClientTransportCallback <O> callback, C ctx)
{
try {
if (!Ready)
{
throw new Exception("WebSocketTransport is not ready.");
}
var req = new WebSocketRequestMessageJson(WebSocketMessageKind.RpcRequest);
req.ID = GetRandomMessageId();
req.Service = service;
req.Method = method;
req.Data = _marshaller.Marshal(payload);
var record = new WSRequest();
_requests.Add(req.ID, record);
record.Timer = new Timer();
record.Success = msg => {
O data;
try {
data = _marshaller.Unmarshal <O>(msg.Data);
}
catch (Exception ex) {
callback.Failure(new TransportMarshallingException("Unexpected exception occured during unmarshalling.", ex));
return;
}
callback.Success(data);
};
record.Failure = (ex) => {
callback.Failure(new TransportException("Request failed. ", ex));
};
record.Timer.Interval = DefaultTimeoutInterval * 1000;
record.Timer.Elapsed += (sender, e) => {
HandleRPCFailure(req.ID, new Exception("Request timed out."));
};
var serialized = _marshaller.Marshal(req);
_logger.Logf(LogLevel.Trace, "WebSocketTransport: Outgoing message: \n{0}", serialized);
_ws.SendAsync(serialized, success => {
if (success)
{
return;
}
HandleRPCFailure(req.ID, new Exception("Sending request failed."));
});
record.Timer.Start();
}
catch (Exception ex)
{
callback.Failure(
new TransportException("Unexpected exception occured during async request.", ex)
);
}
}
public virtual void Send <I, O>(string service, string method, I payload, ClientTransportCallback <O> callback, C ctx)
{
try {
var request = (HttpWebRequest)WebRequest.Create(string.Format("{0}/{1}/{2}", _endpoint, service, method));
request.Timeout = _timeout * 1000;
request.Method = payload == null ? "GET" : "POST";
if (_headers != null)
{
foreach (var key in _headers.Keys)
{
request.Headers.Add(key, _headers[key]);
}
}
if (_auth != null)
{
request.Headers.Add("Authorization", _auth.ToValue());
}
var state = new RequestState <O>(request, callback, null);
if (payload == null)
{
request.BeginGetResponse(ProcessResponse <O>, state);
}
else
{
var data = _marshaller.Marshal <I>(payload);
state.JsonString = data;
request.ContentType = "application/json";
request.BeginGetRequestStream(ProcessStreamRequest <O>, state);
}
}
catch (Exception ex)
{
callback.Failure(
new TransportException("Unexpected exception occured during async request.", ex)
);
}
}
public RequestState(HttpWebRequest request, ClientTransportCallback <O> callback, string jsonString)
{
Request = request;
Callback = callback;
JsonString = jsonString;
}
public virtual void Send <I, O>(string service, string method, I payload, ClientTransportCallback <O> callback, C ctx)
{
try {
var request = (HttpWebRequest)WebRequest.Create(string.Format("{0}/{1}/{2}", _endpoint, service, method));
request.Timeout = _timeout * 1000;
request.Method = payload == null ? "GET" : "POST";
if (_headers != null)
{
foreach (var key in _headers.Keys)
{
request.Headers.Add(key, _headers[key]);
}
}
if (_auth != null)
{
request.Headers.Add("Authorization", _auth.ToValue());
}
if (payload != null)
{
var data = _marshaller.Marshal <I>(payload);
if (data == null)
{
throw new TransportException("HttpTransport only supports Marshallers which return a string.");
}
request.Method = "POST";
request.ContentType = "application/json";
request.ContentLength = data.Length;
using (var stream = request.GetRequestStream()) {
stream.Write(Encoding.UTF8.GetBytes(data), 0, data.Length);
}
}
using (var response = (HttpWebResponse)request.GetResponse()) {
using (var respStream = response.GetResponseStream()) {
using (var reader = new StreamReader(respStream, Encoding.UTF8)) {
string jsonString = reader.ReadToEnd();
if (string.IsNullOrEmpty(jsonString))
{
throw new TransportException("Empty Response");
}
O data;
try {
data = _marshaller.Unmarshal <O>(jsonString);
} catch (Exception ex) {
callback.Failure(
new TransportMarshallingException("Unexpected exception occuted while unmarshalling response.", ex)
);
return;
}
callback.Success(data);
}
}
}
}
catch (Exception ex)
{
callback.Failure(
new TransportException("Unexpected exception occured during async request.", ex)
);
}
}
