public byte[] Get(string uri)
{
using (var client = new RetryableWebClient())
{
var done = false;
byte[] result = null;
Exception ex = null;
var downloadProgressRenderer = new DownloadProgressRenderer();
client.DownloadDataCompleted += (sender, e) => {
if (e.Error != null)
{
ex = e.Error;
}
try
{
if (e.Result != null)
{
downloadProgressRenderer.Update(100, e.Result.Length / 1024);
}
result = e.Result;
}
catch (System.Reflection.TargetInvocationException)
{
// This is sometimes thrown when an error occurs. It is
// thrown when reporting that the result is invalid.
}
done = true;
};
client.DownloadProgressChanged += (sender, e) => {
if (!done)
{
downloadProgressRenderer.Update(e.ProgressPercentage, e.BytesReceived / 1024);
}
};
client.DownloadDataAsync(new Uri(uri));
while (!done)
{
System.Threading.Thread.Sleep(0);
}
downloadProgressRenderer.FinalizeRendering();
if (ex != null)
{
throw new InvalidOperationException("Download error", ex);
}
return(result);
}
}
private byte[] GetBinary(string packageUri)
{
try
{
using (var client = new WebClient())
{
Console.WriteLine("HTTP GET " + packageUri);
var done = false;
byte[] result = null;
Exception ex = null;
var downloadProgressRenderer = new DownloadProgressRenderer();
client.DownloadDataCompleted += (sender, e) => {
if (e.Error != null)
{
ex = e.Error;
}
result = e.Result;
done = true;
};
client.DownloadProgressChanged += (sender, e) => {
if (!done)
{
downloadProgressRenderer.Update(e.ProgressPercentage, e.BytesReceived / 1024);
}
};
client.DownloadDataAsync(new Uri(packageUri));
while (!done)
{
System.Threading.Thread.Sleep(0);
}
Console.WriteLine();
if (ex != null)
{
throw new InvalidOperationException("Download error", ex);
}
return(result);
}
}
catch (WebException)
{
Console.WriteLine("Web exception when retrieving: " + packageUri);
throw;
}
}
public byte[] Get(string uri)
{
try
{
using (var client = new WebClient())
{
Console.WriteLine("HTTP GET " + uri);
var done = false;
byte[] result = null;
Exception ex = null;
var downloadProgressRenderer = new DownloadProgressRenderer();
client.DownloadDataCompleted += (sender, e) => {
if (e.Error != null)
{
ex = e.Error;
}
try
{
if (e.Result != null)
{
downloadProgressRenderer.Update(100, e.Result.Length / 1024);
}
result = e.Result;
}
catch (System.Reflection.TargetInvocationException)
{
// This is sometimes thrown when an error occurs. It is
// thrown when reporting that the result is invalid.
}
done = true;
};
client.DownloadProgressChanged += (sender, e) => {
if (!done)
{
downloadProgressRenderer.Update(e.ProgressPercentage, e.BytesReceived / 1024);
}
};
client.DownloadDataAsync(new Uri(uri));
while (!done)
{
System.Threading.Thread.Sleep(0);
}
downloadProgressRenderer.Finalize();
if (ex != null)
{
throw new InvalidOperationException("Download error", ex);
}
return(result);
}
}
catch (WebException)
{
if (uri.StartsWith("https://"))
{
// Attempt fallback to HTTP.
Console.Error.WriteLine("Web exception while using HTTPS; attempting HTTP fallback...");
uri = "http" + uri.Substring("https".Length);
return(Get(uri));
}
Console.WriteLine("Web exception when retrieving: " + uri);
throw;
}
}
public byte[] Get(string uri)
{
try
{
using (var client = new WebClient())
{
Console.WriteLine("HTTP GET " + uri);
var done = false;
byte[] result = null;
Exception ex = null;
var downloadProgressRenderer = new DownloadProgressRenderer();
client.DownloadDataCompleted += (sender, e) => {
if (e.Error != null)
{
ex = e.Error;
}
try
{
if (e.Result != null)
{
downloadProgressRenderer.Update(100, e.Result.Length / 1024);
}
result = e.Result;
}
catch (System.Reflection.TargetInvocationException)
{
// This is sometimes thrown when an error occurs. It is
// thrown when reporting that the result is invalid.
}
done = true;
};
client.DownloadProgressChanged += (sender, e) => {
if (!done)
{
downloadProgressRenderer.Update(e.ProgressPercentage, e.BytesReceived / 1024);
}
};
client.DownloadDataAsync(new Uri(uri));
while (!done)
{
System.Threading.Thread.Sleep(0);
}
downloadProgressRenderer.Finalize();
if (ex != null)
{
throw new InvalidOperationException("Download error", ex);
}
return result;
}
}
catch (WebException)
{
if (uri.StartsWith("https://"))
{
// Attempt fallback to HTTP.
Console.Error.WriteLine("Web exception while using HTTPS; attempting HTTP fallback...");
uri = "http" + uri.Substring("https".Length);
return Get(uri);
}
Console.WriteLine("Web exception when retrieving: " + uri);
throw;
}
}
