public void TestProxySetupHostAndPortOnly()
{
var dummyConfig = new AmazonEC2Config();
dummyConfig.ProxyHost = Host;
dummyConfig.ProxyPort = Port;
WebProxy proxy = dummyConfig.GetWebProxy();
var address = proxy.Address;
Assert.AreEqual(address.Host, Host);
Assert.AreEqual(address.Port, Port);
Assert.AreEqual(0, proxy.BypassList.Length);
Assert.IsFalse(proxy.BypassProxyOnLocal);
}
public void TestProxySetupWithSchemedHost()
{
// verifies bug fix that the http:// scheme is not doubled
// up in the proxy address if the user specifies it when setting
// proxy host (the bug yielded an address like http://http/host)
var dummyConfig = new AmazonEC2Config();
var host = string.Concat("http://", Host);
dummyConfig.ProxyHost = host;
dummyConfig.ProxyPort = Port;
WebProxy proxy = dummyConfig.GetWebProxy();
Assert.IsTrue(proxy.Address.ToString().StartsWith(host, StringComparison.OrdinalIgnoreCase));
}
public void TestProxySetupWithBypass()
{
var dummyConfig = new AmazonEC2Config();
dummyConfig.ProxyHost = Host;
dummyConfig.ProxyPort = Port;
dummyConfig.ProxyBypassList = new List <string>(BypassList);
dummyConfig.ProxyBypassOnLocal = true;
WebProxy proxy = dummyConfig.GetWebProxy();
Assert.AreEqual(BypassList.Count, proxy.BypassList.Length);
// making assumption here that order is retained on assignment
// inside WebProxy - seems to be the case
for (int i = 0; i < BypassList.Count; i++)
{
Assert.AreEqual(BypassList[i], proxy.BypassList[i]);
}
Assert.IsTrue(proxy.BypassProxyOnLocal);
}
private static void LoadDefinitionsFromWeb(AmazonEC2Config ec2Config)
{
lock (LOCK_OBJECT)
{
if (ImageDefinitionsLoaded)
return;
}
IWebProxy webProxy = null;
if (ec2Config != null)
webProxy = ec2Config.GetWebProxy();
int retries = 0;
while (retries < MAX_DOWNLOAD_RETRIES)
{
try
{
HttpWebResponse response = null;
foreach (var location in DownloadLocations)
{
try
{
response = DownloadControlFile(location, webProxy);
if (response != null)
break;
}
catch (Exception e)
{
Logger.InfoFormat("Failed to download stockamis.json from {0}, exception {1}", location, e);
}
}
if (response == null)
throw new AmazonClientException("Failed to download ImageUtilities metadata file stockamis.json from known locations.");
using (response)
{
using (var reader = new StreamReader(response.GetResponseStream()))
{
lock (LOCK_OBJECT)
{
ParseAMIDefinitions(reader);
ImageDefinitionsLoaded = true;
return;
}
}
}
}
catch (AmazonClientException e)
{
retries++;
if (retries == MAX_DOWNLOAD_RETRIES)
{
Logger.Error(e, "Error downloading AMI definition file, ImageDescriptors were not initialized.");
break;
}
}
int delay = (int)(Math.Pow(4, retries) * 100);
delay = Math.Min(delay, 30 * 1000);
Thread.Sleep(delay);
}
}
private static void LoadDefinitionsFromWeb(AmazonEC2Config ec2Config)
{
lock (LOCK_OBJECT)
{
if (ImageDefinitionsLoaded)
{
return;
}
}
IWebProxy webProxy = null;
if (ec2Config != null)
{
webProxy = ec2Config.GetWebProxy();
}
int retries = 0;
while (retries < MAX_DOWNLOAD_RETRIES)
{
try
{
HttpWebResponse response = null;
foreach (var location in DownloadLocations)
{
try
{
response = DownloadControlFile(location, webProxy);
if (response != null)
{
break;
}
}
catch (Exception e)
{
Logger.InfoFormat("Failed to download stockamis.json from {0}, exception {1}", location, e);
}
}
if (response == null)
{
throw new AmazonClientException("Failed to download ImageUtilities metadata file stockamis.json from known locations.");
}
using (response)
{
using (var reader = new StreamReader(response.GetResponseStream()))
{
lock (LOCK_OBJECT)
{
ParseAMIDefinitions(reader);
ImageDefinitionsLoaded = true;
return;
}
}
}
}
catch (AmazonClientException e)
{
retries++;
if (retries == MAX_DOWNLOAD_RETRIES)
{
Logger.Error(e, "Error downloading AMI definition file, ImageDescriptors were not initialized.");
break;
}
}
int delay = (int)(Math.Pow(4, retries) * 100);
delay = Math.Min(delay, 30 * 1000);
Thread.Sleep(delay);
}
}