private void GetResponse()
{
System.Diagnostics.Stopwatch curcall = new System.Diagnostics.Stopwatch();
curcall.Start();
try {
var retry = 0;
while (++retry < maximumRetryCount) {
if (useCache) {
string etag = "";
if (etags.TryGetValue (uri.AbsoluteUri, out etag)) {
SetHeader ("If-None-Match", etag);
}
}
SetHeader ("Host", uri.Host);
var client = new TcpClient ();
client.Connect (uri.Host, uri.Port);
using (var stream = client.GetStream ()) {
var ostream = stream as Stream;
if (uri.Scheme.ToLower() == "https") {
ostream = new SslStream (stream, false, new RemoteCertificateValidationCallback (ValidateServerCertificate));
try {
var ssl = ostream as SslStream;
ssl.AuthenticateAsClient (uri.Host);
} catch (Exception e) {
#if !UNITY_EDITOR
Console.WriteLine ("SSL authentication failed.");
Console.WriteLine (e);
#else
Debug.LogError ("SSL authentication failed.");
Debug.LogException(e);
#endif
return;
}
}
WriteToStream( ostream );
response = new Response ();
response.request = this;
state = RequestState.Reading;
response.ReadFromStream( ostream );
}
client.Close ();
switch (response.status) {
case 307:
case 302:
case 301:
uri = new Uri (response.GetHeader ("Location"));
continue;
default:
retry = maximumRetryCount;
break;
}
}
if (useCache) {
string etag = response.GetHeader ("etag");
if (etag.Length > 0)
etags[uri.AbsoluteUri] = etag;
}
} catch (Exception e) {
#if !UNITY_EDITOR
Console.WriteLine ("Unhandled Exception, aborting request.");
Console.WriteLine (e);
#else
Debug.LogError("Unhandled Exception, aborting request.");
Debug.LogException(e);
#endif
exception = e;
response = null;
}
state = RequestState.Done;
isDone = true;
responseTime = curcall.ElapsedMilliseconds;
if ( byteStream != null )
{
byteStream.Close();
}
if ( completedCallback != null )
{
if (synchronous) {
completedCallback(this);
} else {
// we have to use this dispatcher to avoid executing the callback inside this worker thread
ResponseCallbackDispatcher.Singleton.requests.Enqueue( this );
}
}
if ( LogAllRequests )
{
#if !UNITY_EDITOR
System.Console.WriteLine("NET: " + InfoString( VerboseLogging ));
#else
if ( response != null && response.status >= 200 && response.status < 300 )
{
Debug.Log( InfoString( VerboseLogging ) );
}
else if ( response != null && response.status >= 400 )
{
Debug.LogError( InfoString( VerboseLogging ) );
}
else
{
Debug.LogWarning( InfoString( VerboseLogging ) );
}
#endif
}
}