async Task<IHttpTransferResult> _retryDownload(DownloadQueueObject obj, IHttpTransferConfig downloadConfig)
{
var succeed = false;
IHttpTransferResult result = null;
var retryCount = 0;
do
{
result = await _doDownload(obj, downloadConfig);
if (retryCount < downloadConfig.Retries &&
(result == null || result.DownloadException != null ||
(!result.IsSuccessCode && downloadConfig.RetryOnNonSuccessCode)))
{
succeed = false;
}
else
{
succeed = true;
}
retryCount++;
} while (succeed == false);
return result;
}
public async Task <IHttpTransferResult> Download(string url, string verb = "GET", string data = null)
{
var downloadConfig = await _httpTransferService.GetConfig(url, verb);
if (downloadConfig == null)
{
throw new NotImplementedException(string.Format("No download config for URL: {0}", url));
}
if (!downloadConfig.IsValid)
{
return(new HttpTransferResult
{
IsSuccessCode = false
});
}
var obj = new DownloadQueueObject
{
Data = data,
Verb = downloadConfig.Verb,
Url = downloadConfig.Url
};
return(await _doDownload(obj, downloadConfig));
}
async Task <IHttpTransferResult> _retryDownload(DownloadQueueObject obj, IHttpTransferConfig downloadConfig)
{
var succeed = false;
IHttpTransferResult result = null;
var retryCount = 0;
do
{
result = await _doDownload(obj, downloadConfig);
if (retryCount < downloadConfig.Retries &&
(result == null || result.DownloadException != null ||
(!result.IsSuccessCode && downloadConfig.RetryOnNonSuccessCode)))
{
succeed = false;
}
else
{
succeed = true;
}
retryCount++;
} while (succeed == false);
return(result);
}
public async Task<IHttpTransferResult> Download(string url, string verb = "GET", string data = null)
{
var downloadConfig = await _httpTransferService.GetConfig(url, verb);
if (downloadConfig == null)
{
Debug.WriteLine("No download config for URL: {0}", url);
return null;
}
if (!downloadConfig.IsValid)
{
return new HttpTransferResult
{
IsSuccessCode = false
};
}
var obj = new DownloadQueueObject
{
Data = data,
Verb = downloadConfig.Verb,
Url = downloadConfig.Url
};
return await _retryDownload(obj, downloadConfig);
}
public async Task <IHttpTransferResult> Download(string url, string verb = "GET", string data = null)
{
var downloadConfig = await _httpTransferService.GetConfig(url, verb);
if (downloadConfig == null)
{
Debug.WriteLine("No download config for URL: {0}", url);
return(null);
}
if (!downloadConfig.IsValid)
{
return(new HttpTransferResult
{
IsSuccessCode = false
});
}
var obj = new DownloadQueueObject
{
Data = data,
Verb = downloadConfig.Verb,
Url = downloadConfig.Url
};
return(await _retryDownload(obj, downloadConfig));
}
public async Task<IHttpTransferResult> Download(string url, string verb = "GET", string data = null)
{
var downloadConfig = await _httpTransferService.GetConfig(url, verb);
if (downloadConfig == null)
{
throw new NotImplementedException(string.Format("No download config for URL: {0}", url));
}
if (!downloadConfig.IsValid)
{
return new HttpTransferResult
{
IsSuccessCode = false
};
}
var obj = new DownloadQueueObject
{
Data = data,
Verb = downloadConfig.Verb,
Url = downloadConfig.Url
};
return await _doDownload(obj, downloadConfig);
}
async Task <IHttpTransferResult> _doDownload(DownloadQueueObject obj, IHttpTransferConfig downloadConfig)
{
// add support for Gzip decompression
var native = new NativeMessageHandler();
var httpClient = new HttpClient(native);
using (httpClient)
{
var method = HttpMethod.Get;
switch (obj.Verb)
{
case "GET":
method = HttpMethod.Get;
break;
case "POST":
method = HttpMethod.Post;
break;
case "PUT":
method = HttpMethod.Put;
break;
case "DELETE":
method = HttpMethod.Delete;
break;
}
using (var message = new HttpRequestMessage(method, obj.Url))
{
native.RegisterForProgress(message, (bytes, totalBytes, expected) => new TransferProgressMessage(obj.Url, bytes, totalBytes, expected, downloadConfig.Verb.ToLower() != "get").Send());
if (downloadConfig.Headers != null)
{
foreach (var item in downloadConfig.Headers)
{
message.Headers.Add(item.Key, item.Value);
}
}
// Accept-Encoding:
if (downloadConfig.AcceptEncoding != null)
{
//message.Headers.AcceptEncoding.Add(new StringWithQualityHeaderValue(""));
message.Headers.Add("Accept-Encoding", downloadConfig.AcceptEncoding);
}
// Accept:
if (!string.IsNullOrWhiteSpace(downloadConfig.Accept))
{
message.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(downloadConfig.Accept));
}
if (!string.IsNullOrWhiteSpace(obj.Data))
{
var content = new StringContent(obj.Data, Encoding.UTF8,
downloadConfig.ContentEncoding ?? "application/json");
message.Content = content;
}
if (obj.ByteData != null)
{
var content = new ByteArrayContent(obj.ByteData, 0, obj.ByteData.Length);
message.Content = content;
}
if (downloadConfig.Auth != null && downloadConfig.AuthScheme != null)
{
message.Headers.Authorization = new AuthenticationHeaderValue(downloadConfig.AuthScheme,
downloadConfig.Auth);
}
try
{
Debug.WriteLine("{0}: {1}", downloadConfig.Verb.ToLower() == "get" ? "Downloading" : "Uploading", obj.Url);
using (var result = await httpClient.SendAsync(message))
{
Debug.WriteLine("Finished: {0}", obj.Url);
return(await _httpTransferService.GetResult(result, downloadConfig));
}
}
catch (HttpRequestException ex)
{
Debug.WriteLine("Warning - HttpRequestException encountered: {0}", ex.Message);
return(_httpTransferService.GetExceptionResult(ex,
"XamlingCore.Portable.Net.Downloaders.HttpClientDownloader", downloadConfig));
}
catch (Exception ex)
{
Debug.WriteLine("Warning - general HTTP exception encountered: {0}", ex.Message);
return(_httpTransferService.GetExceptionResult(ex,
"XamlingCore.Portable.Net.Downloaders.HttpClientDownloader", downloadConfig));
}
}
}
}
async Task<IHttpTransferResult> _doDownload(DownloadQueueObject obj, IHttpTransferConfig downloadConfig)
{
// add support for Gzip decompression
HttpClient httpClient;
var httpHandler = new HttpClientHandler();
if (downloadConfig.Gzip)
{
if (httpHandler.SupportsAutomaticDecompression)
{
httpHandler.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
}
}
if (downloadConfig.AllowRedirect && httpHandler.SupportsAllowAutoRedirect())
{
httpHandler.AllowAutoRedirect = true;
}
else
{
httpHandler.AllowAutoRedirect = false;
}
httpClient = new HttpClient(httpHandler);
if (downloadConfig.Cookies != null)
{
var uri = new Uri(obj.Url);
var cookies = new CookieContainer();
httpHandler.CookieContainer = cookies;
foreach (var c in downloadConfig.Cookies)
{
cookies.Add(uri, new Cookie(c.Key, c.Value));
}
}
using (httpClient)
{
var method = HttpMethod.Get;
switch (obj.Verb)
{
case "GET":
method = HttpMethod.Get;
break;
case "POST":
method = HttpMethod.Post;
break;
case "PUT":
method = HttpMethod.Put;
break;
case "DELETE":
method = HttpMethod.Delete;
break;
}
using (var message = new HttpRequestMessage(method, obj.Url))
{
if (downloadConfig.Headers != null)
{
foreach (var item in downloadConfig.Headers)
{
message.Headers.Add(item.Key, item.Value);
}
}
// Accept-Encoding:
if (downloadConfig.AcceptEncoding != null)
{
//message.Headers.AcceptEncoding.Add(new StringWithQualityHeaderValue(""));
message.Headers.Add("Accept-Encoding", downloadConfig.AcceptEncoding);
}
// Accept:
if (!string.IsNullOrWhiteSpace(downloadConfig.Accept))
{
message.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(downloadConfig.Accept));
}
if (!string.IsNullOrWhiteSpace(obj.Data))
{
var content = new StringContent(obj.Data, Encoding.UTF8,
downloadConfig.ContentEncoding ?? "application/json");
message.Content = content;
}
if (obj.ByteData != null)
{
var content = new ByteArrayContent(obj.ByteData, 0, obj.ByteData.Length);
message.Content = content;
}
if (downloadConfig.Auth != null && downloadConfig.AuthScheme != null)
{
message.Headers.Authorization = new AuthenticationHeaderValue(downloadConfig.AuthScheme,
downloadConfig.Auth);
}
if (downloadConfig.Timeout != 0)
{
httpClient.Timeout = TimeSpan.FromSeconds(downloadConfig.Timeout);
}
try
{
Debug.WriteLine("{0}: {1}", downloadConfig.Verb.ToLower() == "get" ? "Downloading": "Uploading", obj.Url);
using (var result = await httpClient.SendAsync(message))
{
Debug.WriteLine("Finished: {0}", obj.Url);
return await _httpTransferService.GetResult(result, downloadConfig);
}
}
catch (HttpRequestException ex)
{
Debug.WriteLine("Warning - HttpRequestException encountered: {0}", ex.Message);
return _httpTransferService.GetExceptionResult(ex,
"XamlingCore.Portable.Net.Downloaders.HttpClientDownloader", downloadConfig);
}
catch (Exception ex)
{
Debug.WriteLine("Warning - general HTTP exception encountered: {0}", ex.Message);
return _httpTransferService.GetExceptionResult(ex,
"XamlingCore.Portable.Net.Downloaders.HttpClientDownloader", downloadConfig);
}
}
}
}
async Task<IHttpTransferResult> _doDownload(DownloadQueueObject obj, IHttpTransferConfig downloadConfig)
{
// add support for Gzip decompression
var native = new NativeMessageHandler();
var httpClient = new HttpClient(native);
using (httpClient)
{
var method = HttpMethod.Get;
switch (obj.Verb)
{
case "GET":
method = HttpMethod.Get;
break;
case "POST":
method = HttpMethod.Post;
break;
case "PUT":
method = HttpMethod.Put;
break;
case "DELETE":
method = HttpMethod.Delete;
break;
}
using (var message = new HttpRequestMessage(method, obj.Url))
{
native.RegisterForProgress(message, (bytes, totalBytes, expected) => new TransferProgressMessage(obj.Url, bytes, totalBytes, expected, downloadConfig.Verb.ToLower() != "get").Send());
if (downloadConfig.Headers != null)
{
foreach (var item in downloadConfig.Headers)
{
message.Headers.Add(item.Key, item.Value);
}
}
// Accept-Encoding:
if (downloadConfig.AcceptEncoding != null)
{
//message.Headers.AcceptEncoding.Add(new StringWithQualityHeaderValue(""));
message.Headers.Add("Accept-Encoding", downloadConfig.AcceptEncoding);
}
// Accept:
if (!string.IsNullOrWhiteSpace(downloadConfig.Accept))
{
message.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(downloadConfig.Accept));
}
if (!string.IsNullOrWhiteSpace(obj.Data))
{
var content = new StringContent(obj.Data, Encoding.UTF8,
downloadConfig.ContentEncoding ?? "application/json");
message.Content = content;
}
if (obj.ByteData != null)
{
var content = new ByteArrayContent(obj.ByteData, 0, obj.ByteData.Length);
message.Content = content;
}
if (downloadConfig.Auth != null && downloadConfig.AuthScheme != null)
{
message.Headers.Authorization = new AuthenticationHeaderValue(downloadConfig.AuthScheme,
downloadConfig.Auth);
}
try
{
Debug.WriteLine("{0}: {1}", downloadConfig.Verb.ToLower() == "get" ? "Downloading" : "Uploading", obj.Url);
using (var result = await httpClient.SendAsync(message))
{
Debug.WriteLine("Finished: {0}", obj.Url);
return await _httpTransferService.GetResult(result, downloadConfig);
}
}
catch (HttpRequestException ex)
{
Debug.WriteLine("Warning - HttpRequestException encountered: {0}", ex.Message);
return _httpTransferService.GetExceptionResult(ex,
"XamlingCore.Portable.Net.Downloaders.HttpClientDownloader", downloadConfig);
}
catch (Exception ex)
{
Debug.WriteLine("Warning - general HTTP exception encountered: {0}", ex.Message);
return _httpTransferService.GetExceptionResult(ex,
"XamlingCore.Portable.Net.Downloaders.HttpClientDownloader", downloadConfig);
}
}
}
}
async Task <IHttpTransferResult> _doDownload(DownloadQueueObject obj, IHttpTransferConfig downloadConfig)
{
// add support for Gzip decompression
HttpClient httpClient;
var httpHandler = new HttpClientHandler();
if (downloadConfig.Gzip)
{
if (httpHandler.SupportsAutomaticDecompression)
{
httpHandler.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
}
}
if (downloadConfig.AllowRedirect && httpHandler.SupportsAllowAutoRedirect())
{
httpHandler.AllowAutoRedirect = true;
}
else
{
httpHandler.AllowAutoRedirect = false;
}
httpClient = new HttpClient(httpHandler);
if (downloadConfig.Cookies != null)
{
var uri = new Uri(obj.Url);
var cookies = new CookieContainer();
httpHandler.CookieContainer = cookies;
foreach (var c in downloadConfig.Cookies)
{
cookies.Add(uri, new Cookie(c.Key, c.Value));
}
}
using (httpClient)
{
var method = HttpMethod.Get;
switch (obj.Verb)
{
case "GET":
method = HttpMethod.Get;
break;
case "POST":
method = HttpMethod.Post;
break;
case "PUT":
method = HttpMethod.Put;
break;
case "DELETE":
method = HttpMethod.Delete;
break;
}
using (var message = new HttpRequestMessage(method, obj.Url))
{
if (downloadConfig.Headers != null)
{
foreach (var item in downloadConfig.Headers)
{
message.Headers.Add(item.Key, item.Value);
}
}
// Accept-Encoding:
if (downloadConfig.AcceptEncoding != null)
{
//message.Headers.AcceptEncoding.Add(new StringWithQualityHeaderValue(""));
message.Headers.Add("Accept-Encoding", downloadConfig.AcceptEncoding);
}
// Accept:
if (!string.IsNullOrWhiteSpace(downloadConfig.Accept))
{
message.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(downloadConfig.Accept));
}
if (!string.IsNullOrWhiteSpace(obj.Data))
{
var content = new StringContent(obj.Data, Encoding.UTF8,
downloadConfig.ContentEncoding ?? "application/json");
message.Content = content;
}
if (obj.ByteData != null)
{
var content = new ByteArrayContent(obj.ByteData, 0, obj.ByteData.Length);
message.Content = content;
}
if (downloadConfig.Auth != null && downloadConfig.AuthScheme != null)
{
message.Headers.Authorization = new AuthenticationHeaderValue(downloadConfig.AuthScheme,
downloadConfig.Auth);
}
if (downloadConfig.Timeout != 0)
{
httpClient.Timeout = TimeSpan.FromSeconds(downloadConfig.Timeout);
}
try
{
Debug.WriteLine("{0}: {1}", downloadConfig.Verb.ToLower() == "get" ? "Downloading": "Uploading", obj.Url);
using (var result = await httpClient.SendAsync(message))
{
Debug.WriteLine("Finished: {0}", obj.Url);
return(await _httpTransferService.GetResult(result, downloadConfig));
}
}
catch (HttpRequestException ex)
{
Debug.WriteLine("Warning - HttpRequestException encountered: {0}", ex.Message);
return(_httpTransferService.GetExceptionResult(ex,
"XamlingCore.Portable.Net.Downloaders.HttpClientDownloader", downloadConfig));
}
catch (Exception ex)
{
Debug.WriteLine("Warning - general HTTP exception encountered: {0}", ex.Message);
return(_httpTransferService.GetExceptionResult(ex,
"XamlingCore.Portable.Net.Downloaders.HttpClientDownloader", downloadConfig));
}
}
}
}
