//----------------------------------------------------------
// RespCallback
//----------------------------------------------------------
void RespCallback(IAsyncResult ar)
{
RequestState rs = (RequestState)ar.AsyncState;
ApplicationMonikerRequest req = rs.Request;
ApplicationMonikerResponse resp = (ApplicationMonikerResponse)req.EndGetResponse(ar);
ApplicationMonikerStream ResponseStream = (ApplicationMonikerStream)resp.GetResponseStream();
rs.ResponseStream = ResponseStream;
IAsyncResult iarRead = ResponseStream.BeginRead(rs.BufferRead, 0,
BUFFER_SIZE, new AsyncCallback(ReadCallBack), rs);
}
//----------------------------------------------------------
// ReadCallback
//----------------------------------------------------------
void ReadCallBack(IAsyncResult asyncResult)
{
RequestState rs = (RequestState)asyncResult.AsyncState;
ApplicationMonikerStream responseStream = rs.ResponseStream;
int read = responseStream.EndRead(asyncResult);
if (read > 0)
{
_totalRead += read;
IAsyncResult ar = responseStream.BeginRead(
rs.BufferRead, 0, BUFFER_SIZE,
new AsyncCallback(ReadCallBack), rs);
}
else
{
_progress.SetStatus((int)_totalRead);
_progress.SetText("Downloading: " + responseStream.path);
_progress.SetTotal("Total: " + _totalRead.ToString() + "/" + _totalSize.ToString() + " bytes read");
responseStream.Close();
if ((rs.Request.type == FileType.ApplicationManifest) ||
(rs.Request.type == FileType.ComponentManifest))
{
IAssemblyManifestImport assemblyManifestImport;
Uri cachePath = responseStream.GetCachePath();
if (rs.Request.type == FileType.ApplicationManifest)
{
assemblyManifestImport = new ApplicationManifestImport(cachePath);
}
else
{
// this is a drag - we can't even do this - the loadfrom will fail if modules not present.
// soln for now is to ignore component constituents (don't enqueue them)
// assemblyManifestImport = new ComponentManifestImport(cachePath);
goto done;
}
ApplicationMonikerRequest newRequest;
while ((newRequest = GetNextRequest(assemblyManifestImport)) != null)
{
if (_jobTable[newRequest.RequestUri] == null)
{
if (newRequest.CachedCopyExists() != true)
{
_jobQueue.Enqueue(newRequest);
_jobTable[newRequest.RequestUri] = newRequest;
}
else
{
_totalRead += (int)newRequest.GetCacheFileSize();
_progress.SetStatus((int)_totalRead);
newRequest.Dispose();
}
}
}
}
done:
if (_jobQueue.Count == 0)
{
_bDone = true;
}
else
{
ApplicationMonikerRequest nextRequest = (ApplicationMonikerRequest)_jobQueue.Dequeue();
RequestState rsnext = new RequestState();
rsnext.Request = nextRequest;
IAsyncResult r = (IAsyncResult)nextRequest.BeginGetResponse(
new AsyncCallback(RespCallback), rsnext);
}
}
return;
}