private void EnqueuePending()
{
lock (queue)
{
if (queue.Count > 0)
{
int nr = 0;
lock (activeDownloads) nr = activeDownloads.Count;
for (int i = nr; i < ParallelDownloads && queue.Count > 0; i++)
{
QueuedItem item = queue.Dequeue();
Logger.DebugLog("Requesting " + item.address.ToString());
HttpWebRequest req = SetupRequest(item.address, item.contentType);
CapsBase.DownloadDataAsync(
req,
item.millisecondsTimeout,
item.downloadProgressCallback,
(HttpWebRequest request, HttpWebResponse response, byte[] responseData, Exception error) =>
{
lock (activeDownloads) activeDownloads.Remove(request);
item.completedCallback(request, response, responseData, error);
EnqueuePending();
}
);
lock (activeDownloads) activeDownloads.Add(req);
}
}
}
}
/// <summary>Check the queue for pending work</summary>
private void EnqueuePending()
{
lock (queue)
{
if (queue.Count > 0)
{
int nr = 0;
lock (activeDownloads)
{
nr = activeDownloads.Count;
}
Logger.DebugLog(nr.ToString() + " active downloads. Queued textures: " + queue.Count.ToString());
for (int i = nr; i < ParallelDownloads && queue.Count > 0; i++)
{
DownloadRequest item = queue.Dequeue();
lock (activeDownloads)
{
string addr = item.Address.ToString();
if (activeDownloads.ContainsKey(addr))
{
activeDownloads[addr].CompletedHandlers.Add(item.CompletedCallback);
if (item.DownloadProgressCallback != null)
{
activeDownloads[addr].ProgresHadlers.Add(item.DownloadProgressCallback);
}
}
else
{
ActiveDownload activeDownload = new ActiveDownload();
activeDownload.CompletedHandlers.Add(item.CompletedCallback);
if (item.DownloadProgressCallback != null)
{
activeDownload.ProgresHadlers.Add(item.DownloadProgressCallback);
}
Logger.DebugLog("Requesting " + item.Address.ToString());
activeDownload.Request = SetupRequest(item.Address, item.ContentType);
CapsBase.DownloadDataAsync(
activeDownload.Request,
item.MillisecondsTimeout,
(HttpWebRequest request, HttpWebResponse response, int bytesReceived, int totalBytesToReceive) =>
{
foreach (CapsBase.DownloadProgressEventHandler handler in activeDownload.ProgresHadlers)
{
handler(request, response, bytesReceived, totalBytesToReceive);
}
},
(HttpWebRequest request, HttpWebResponse response, byte[] responseData, Exception error) =>
{
lock (activeDownloads) activeDownloads.Remove(addr);
if (error == null || item.Attempt >= item.Retries || (error != null && error.Message.Contains("404")))
{
foreach (CapsBase.RequestCompletedEventHandler handler in activeDownload.CompletedHandlers)
{
handler(request, response, responseData, error);
}
}
else
{
item.Attempt++;
Logger.Log(string.Format("Texture {0} HTTP download failed, trying again retry {1}/{2}",
item.Address, item.Attempt, item.Retries), Helpers.LogLevel.Warning);
lock (queue) queue.Enqueue(item);
}
EnqueuePending();
}
);
activeDownloads[addr] = activeDownload;
}
}
}
}
}
}
/// <summary>Check the queue for pending work</summary>
private void EnqueuePending()
{
lock (queue)
{
if (queue.Count > 0)
{
int nr = 0;
lock (activeDownloads)
{
nr = activeDownloads.Count;
}
for (int i = nr; i < ParallelDownloads && queue.Count > 0; i++)
{
DownloadRequest item = queue.Dequeue();
lock (activeDownloads)
{
string addr = item.Address.ToString();
if (activeDownloads.ContainsKey(addr))
{
activeDownloads[addr].CompletedHandlers.Add(item.CompletedCallback);
if (item.DownloadProgressCallback != null)
{
activeDownloads[addr].ProgresHadlers.Add(item.DownloadProgressCallback);
}
}
else
{
ActiveDownload activeDownload = new ActiveDownload();
activeDownload.CompletedHandlers.Add(item.CompletedCallback);
if (item.DownloadProgressCallback != null)
{
activeDownload.ProgresHadlers.Add(item.DownloadProgressCallback);
}
Logger.DebugLog("Requesting " + item.Address.ToString());
activeDownload.Request = SetupRequest(item.Address, item.ContentType);
CapsBase.DownloadDataAsync(
activeDownload.Request,
item.MillisecondsTimeout,
(HttpWebRequest request, HttpWebResponse response, int bytesReceived, int totalBytesToReceive) =>
{
foreach (CapsBase.DownloadProgressEventHandler handler in activeDownload.ProgresHadlers)
{
handler(request, response, bytesReceived, totalBytesToReceive);
}
},
(HttpWebRequest request, HttpWebResponse response, byte[] responseData, Exception error) =>
{
lock (activeDownloads) activeDownloads.Remove(addr);
foreach (CapsBase.RequestCompletedEventHandler handler in activeDownload.CompletedHandlers)
{
handler(request, response, responseData, error);
}
EnqueuePending();
}
);
activeDownloads[addr] = activeDownload;
}
}
}
}
}
}
