public async Task<XDocument> InvokeAsync(string operationName, IDictionary<string, object> args)
{
NatDiscoverer.TraceSource.TraceEvent(TraceEventType.Verbose, 0, "SOAPACTION: **{0}** url:{1}", operationName,
_url);
byte[] messageBody = BuildMessageBody(operationName, args);
HttpWebRequest request = BuildHttpWebRequest(operationName, messageBody);
if (messageBody.Length > 0)
{
using (var stream = await request.GetRequestStreamAsync().ConfigureAwait(false))
{
await stream.WriteAsync(messageBody, 0, messageBody.Length).ConfigureAwait(false);
}
}
using(var response = await GetWebResponse(request).ConfigureAwait(false))
{
var stream = response.GetResponseStream();
var contentLength = response.ContentLength;
var reader = new StreamReader(stream, Encoding.UTF8);
var responseBody = contentLength != -1
? reader.ReadAsMany((int) contentLength)
: reader.ReadToEnd();
var responseXml = GetXmlDocument(responseBody);
response.Dispose();
return responseXml;
}
}
public Task<XmlDocument> InvokeAsync(string operationName, IDictionary<string, object> args)
{
NatDiscoverer.TraceSource.TraceEvent(TraceEventType.Verbose, 0, "SOAPACTION: **{0}** url:{1}", operationName,
_url);
byte[] messageBody = BuildMessageBody(operationName, args);
HttpWebRequest request = BuildHttpWebRequest(operationName, messageBody);
Task<WebResponse> responseTask;
if (messageBody.Length > 0)
{
Stream requestStream = null;
responseTask = Task.Factory.FromAsync<Stream>(request.BeginGetRequestStream, request.EndGetRequestStream, null)
.ContinueWith(requestSteamTask =>
{
requestStream = requestSteamTask.Result;
return Task.Factory.FromAsync<byte[], int, int>(requestStream.BeginWrite,
requestStream.EndWrite, messageBody, 0, messageBody.Length, null);
})
.Unwrap()
.ContinueWith(streamWriteTask =>
{
requestStream.Close();
return GetWebResponse(request);
})
.Unwrap();
}
else
{
responseTask = GetWebResponse(request);
}
return responseTask.ContinueWith(task =>
{
using (WebResponse response = task.Result)
{
var stream = response.GetResponseStream();
var contentLength = response.ContentLength;
var reader = new StreamReader(stream, Encoding.UTF8);
var responseBody = contentLength != -1
? reader.ReadAsMany((int)contentLength)
: reader.ReadToEnd();
var responseXml = GetXmlDocument(responseBody);
response.Close();
return responseXml;
}
});
}
