/// <summary>
/// Raises the <see cref="RequestFailed"/> event. Note, sender is null.
/// </summary>
/// <param name="inUri"></param>
internal static void onRequestFailed(Uri inUri, HttpWebResponse inResponse, TMDbStatusResponse inStatusResponse)
{
// Written, 24.11.2019
Console.WriteLine("Request failed: {0} Code {1}.", inStatusResponse.status_message, inStatusResponse.status_code);
RequestFailed?.Invoke(null, new RequestFailedEventArgs(inUri, inResponse, inStatusResponse));
}
/// <summary>
/// Sends a request to the provided url, and returns a <see cref="HttpWebResponse"/>.
/// </summary>
/// <param name="inUri">The url to request from.</param>
/// <param name="inData">The data to pass.</param>
public static async Task <HttpWebResponse> sendRequestAsync(Uri inUri, byte[] inData = null)
{
// Written, 05.06.2018
HttpWebRequest request = WebRequest.Create(inUri) as HttpWebRequest;
HttpWebResponse response = null;
TMDbStatusResponse statusResponse = null;
onRequestSending(inUri);
try
{
if (inData != null)
{
request.AllowWriteStreamBuffering = true;
request.Method = "POST";
request.ContentType = "application/json";
request.ContentLength = inData.Length;
using (Stream post = request.GetRequestStream())
{
post.Write(inData, 0, inData.Length);
post.Close();
}
}
response = await request.GetResponseAsync() as HttpWebResponse;
onRequestSent(inUri, response);
return(response);
}
catch (WebException ex)
{
bool successfulPing = false;
try
{
Ping ping = new Ping();
PingReply reply = await ping.SendPingAsync(inUri.Host, 2000);
successfulPing = (reply.Status == IPStatus.Success || reply.Status == IPStatus.TimedOut);
Console.WriteLine("REPLY: {0}", reply.Status);
}
catch (PingException pingEx)
{
statusResponse = new TMDbStatusResponse()
{
status_message = String.Format("Check internet connection. Error ({0})", pingEx.GetType().Name),
status_code = 401
};
}
if (successfulPing)
{
response = ex.Response as HttpWebResponse;
statusResponse = (await toJObject(response)).ToObject <TMDbStatusResponse>();
HttpStatusCode statusCode = response.StatusCode;
bool isInt = Int32.TryParse(statusCode.ToString(), out int code);
if (isInt && code == TMDb_Codes["Request Limit Exceeded"]) // Too many requests error code
{
delay = Int32.Parse(response.Headers.Get("Retry-After"));
if (delay > 0)
{
await onDelay();
}
return(await sendRequestAsync(inUri));
}
}
onRequestFailed(inUri, response, statusResponse);
if (statusResponse is null)
{
throw;
}
else
{
throw new Exception(String.Format("{0}: Code {1}", statusResponse.status_message, statusResponse.status_code));
}
}
}
/// <summary>
/// Initializes a new instance.
/// </summary>
/// <param name="inUri">url</param>
/// <param name="inResponse">response</param>
/// <param name="inStatusResponse">tmdb response</param>
public RequestFailedEventArgs(Uri inUri, HttpWebResponse inResponse, TMDbStatusResponse inStatusResponse) : base(inUri, inResponse)
{
// Written, 25.11.2019
this.statusResponse = inStatusResponse;
}
