private HttpWebRequest CreateRequest(RequestConfiguration configuration)
{
var request = (HttpWebRequest)WebRequest.Create(configuration.Url);
request.UserAgent = configuration.UserAgent;
request.Method = configuration.Method.ToString().ToUpper();
request.Accept = configuration.AcceptHeader;
foreach (var header in configuration.Headers)
{
request.Headers.Set(header.Key, header.Value);
}
request.ContentType = configuration.ContentType;
if (configuration.NoCache)
{
request.Headers.Set("Pragma", "no-cache");
}
return(request);
}
/// <summary>
/// Execute a web request asynchronously
/// </summary>
/// <param name="configuration">Web request configuration</param>
/// <param name="onComplete">On complete callback</param>
/// <param name="onError">On error callback</param>
public void Execute(RequestConfiguration configuration, Action <HttpWebResponse> onComplete, Action <Exception> onError)
{
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
if (onComplete == null)
{
throw new ArgumentNullException("onComplete");
}
if (onError == null)
{
throw new ArgumentNullException("onError");
}
if (String.IsNullOrWhiteSpace(configuration.Url))
{
throw new ArgumentException("Configuration must specify a URL", "configuration");
}
var request = this.CreateRequest(configuration);
if (String.IsNullOrEmpty(configuration.RequestBody) || !this.CanSendBody(configuration))
{
// No body, just execute the request
this.ExecuteRequestAsync(request, onComplete, onError);
return;
}
// Body needs to be build async, otherwise the request will switch
// to a blocking one for some stupid reason.
// MSDN doesn't seem to expliclty say you need to wait for the body to complete
// before executing the request, but that's what their sample code does,
// so better safe than sorry :-)
this.BuildRequestBody(request, configuration.RequestBody, r => this.ExecuteRequestAsync(r, onComplete, onError), onError);
}
/// <summary>
/// Initializes a new instance of the <see cref="HttpTester"/> class.
/// </summary>
/// <param name="iterations">Number of iterations to run</param>
/// <param name="requestConfiguration">The request configuration to run</param>
/// <param name="httpClient">The async http client to use</param>
public HttpTester(int iterations, RequestConfiguration requestConfiguration, AsyncHttpClient httpClient)
{
this.iterations = iterations;
this.requestConfiguration = requestConfiguration;
this.httpClient = httpClient;
}
protected void RequestConfiguration(string name, Action action)
{
this.currentRequestConfiguration = new RequestConfiguration() { Name = name };
this.requestConfigurations.Add(this.currentRequestConfiguration);
action();
}
private bool CanSendBody(RequestConfiguration configuration)
{
return(configuration.Method != HttpMethod.Get && configuration.Method != HttpMethod.Head);
}
private static HttpTesterResults RunConfig(RequestConfiguration config, int iterations)
{
var tester = new HttpTester(iterations, config, new AsyncHttpClient());
return tester.Execute();
}
