private HttpClient CreateHttpClient()
{
HttpClient client = new HttpClient();
client.Timeout = ConfigurationAccessor.HttpTimeout;
foreach (KeyValuePair <string, string> eachKVP in ConfigurationAccessor.GetCustomHeaders())
{
Trace.TraceInformation("Adding custom header {0}: {1}",
eachKVP.Key,
eachKVP.Value);
bool result = client.DefaultRequestHeaders.TryAddWithoutValidation(eachKVP.Key, eachKVP.Value);
if (!result)
{
Trace.TraceWarning("Cannot add custom header {0}: {1}",
eachKVP.Key,
eachKVP.Value);
}
}
return(client);
}
public void Run(string[] args)
{
ServicePointManager.ServerCertificateValidationCallback += this.ServicePointManager_ServerCertificateValidationCallback;
TimeSpan interval = ConfigurationAccessor.IntervalTimeSpan;
HttpClient client = clientFactory.Value;
while (!this.cts.Token.IsCancellationRequested)
{
this.mres.Wait(this.cts.Token);
IEnumerable <SiteListItem> uriList = ConfigurationAccessor.GetSiteListFromSiteListFilePath();
int count = uriList.Count();
if (count < 1)
{
Trace.TraceWarning("No URL list specified. Please check your list file.");
}
else
{
Trace.TraceInformation("Invoking {0} URIs.", count);
}
List <Task> taskList = new List <Task>();
foreach (SiteListItem eachItem in uriList)
{
Trace.TraceInformation(eachItem.ToString());
HttpRequestMessage requestMessage = new HttpRequestMessage(
eachItem.Method,
eachItem.Uri);
Task t = client.SendAsync(requestMessage, this.cts.Token)
.ContinueWith(x =>
{
switch (x.Status)
{
case TaskStatus.Canceled:
Trace.TraceWarning("Task has been cancelled.");
break;
case TaskStatus.Faulted:
Trace.TraceError("Task has an error/exception. {0}", x.Exception);
break;
case TaskStatus.RanToCompletion:
if (x.Result.IsSuccessStatusCode)
{
Trace.TraceInformation("Task has been done with {0} {1}", (int)x.Result.StatusCode, x.Result.ReasonPhrase);
}
else
{
Trace.TraceWarning("Task has been done with {0} {1}", (int)x.Result.StatusCode, x.Result.ReasonPhrase);
}
break;
default:
Trace.TraceWarning("Unexpected task status occurred. {0}", x.Status);
break;
}
});
taskList.Add(t);
}
Trace.TraceInformation("Waiting remained tasks.");
if (!Task.WaitAll(taskList.ToArray(), (int)ConfigurationAccessor.WaitTimeout.TotalMilliseconds, this.cts.Token))
{
Trace.TraceWarning("Waiting timeout occurred.");
}
Trace.TraceInformation("Perform sleep - {0}", interval);
this.cts.Token.WaitHandle.WaitOne(interval);
}
}
