public CURLE Perform()
{
CURLE result = (CURLE)(-1);
if (!running)
{
running = true;
retryCount = maxRetryCount;
while (true)
{
Prepare();
result = Lib.curl_easy_perform(easyPtr);
var done = ProcessResponse(result);
if (done || --retryCount < 0)
{
Dump();
break;
}
else
{
Thread.Sleep(retryInterval);
}
}
running = false;
}
else
{
CurlLog.LogError("Can't preform a running handle again!");
}
return(result);
}
void OnPerformCallback(CURLE result, CurlEasy easy)
{
if (result == CURLE.OK)
{
Debug.Log($"Perform finished: {easy.uri}");
}
}
private void OnComplete(CURLE result)
{
if (performCallback != null)
{
new Task(() =>
{
performCallback(result, this);
performCallback = null;
running = false;
}).Start(taskScheduler);
}
else
{
running = false;
}
}
internal void OnMultiPerform(CURLE result, CurlMulti multi)
{
var done = ProcessResponse(result);
if (done || --retryCount < 0)
{
Dump();
OnComplete(result);
}
else
{
Thread.Sleep(retryInterval);
Prepare();
multi.AddEasy(this);
}
}
private bool ProcessResponse(CURLE result)
{
var done = false;
try
{
thisHandle.Free();
if (result == CURLE.OK)
{
responseHeaderStream.Position = 0;
var sr = new StreamReader(responseHeaderStream);
// Handle first line
{
var line = sr.ReadLine();
var index = line.IndexOf(' ');
httpVersion = line.Substring(0, index);
var nextIndex = line.IndexOf(' ', index + 1);
if (int.TryParse(line.Substring(index + 1, nextIndex - index), out var _status))
{
status = _status;
}
message = line.Substring(nextIndex + 1);
}
inHeader = new HeaderDict();
while (true)
{
var line = sr.ReadLine();
if (!string.IsNullOrEmpty(line))
{
var index = line.IndexOf(':');
var key = line.Substring(0, index).Trim();
var value = line.Substring(index + 1).Trim();
inHeader[key] = value;
}
else
{
break;
}
}
var ms = responseBodyStream as MemoryStream;
if (ms != null)
{
inData = ms.ToArray();
}
if (status / 100 == 3)
{
if (followRedirect && GetInfo(CURLINFO.REDIRECT_URL, out string location) == CURLE.OK)
{
uri = new Uri(location);
}
else
{
done = true;
}
}
else
{
done = true;
}
}
else
{
CurlLog.LogWarning($"Failed to request: {uri}, reason: {result}");
}
CloseStreams();
}
catch (Exception e)
{
CurlLog.LogError("Unexpected exception: " + e);
}
return(done);
}