gecko-dev/netwerk/test/TestIncrementalDownload.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 cin et: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Google Inc.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@meer.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <stdlib.h>
#include "nsNetUtil.h"
#include "nsIIncrementalDownload.h"
#include "nsIRequestObserver.h"
#include "nsIProgressEventSink.h"
#include "nsIEventQueueService.h"
#include "nsIEventQueue.h"
#include "nsAutoPtr.h"
#include "prprf.h"
#include "prenv.h"
//-----------------------------------------------------------------------------
static nsresult SetupEventQ()
{
nsresult rv;
nsCOMPtr<nsIEventQueueService> eqs =
do_GetService(NS_EVENTQUEUESERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv))
return rv;
return eqs->CreateMonitoredThreadEventQueue();
}
static nsresult PumpEvents()
{
nsresult rv;
nsCOMPtr<nsIEventQueueService> eqs =
do_GetService(NS_EVENTQUEUESERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIEventQueue> eq;
rv = eqs->GetThreadEventQueue(NS_CURRENT_THREAD, getter_AddRefs(eq));
if (NS_FAILED(rv))
return rv;
return eq->EventLoop();
}
static void QuitPumpingEvents()
{
PR_Interrupt(PR_GetCurrentThread());
}
//-----------------------------------------------------------------------------
class FetchObserver : public nsIRequestObserver
, public nsIProgressEventSink
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSIPROGRESSEVENTSINK
};
NS_IMPL_ISUPPORTS2(FetchObserver, nsIRequestObserver,
nsIProgressEventSink)
NS_IMETHODIMP
FetchObserver::OnStartRequest(nsIRequest *request, nsISupports *context)
{
printf("FetchObserver::OnStartRequest\n");
return NS_OK;
}
NS_IMETHODIMP
FetchObserver::OnProgress(nsIRequest *request, nsISupports *context,
PRUint64 progress, PRUint64 progressMax)
{
printf("FetchObserver::OnProgress [%lu/%lu]\n",
PRUint32(progress), PRUint32(progressMax));
return NS_OK;
}
NS_IMETHODIMP
FetchObserver::OnStatus(nsIRequest *request, nsISupports *context,
nsresult status, const PRUnichar *statusText)
{
return NS_OK;
}
NS_IMETHODIMP
FetchObserver::OnStopRequest(nsIRequest *request, nsISupports *context,
nsresult status)
{
printf("FetchObserver::OnStopRequest [status=%x]\n", status);
QuitPumpingEvents();
return NS_OK;
}
//-----------------------------------------------------------------------------
static nsresult
DoIncrementalFetch(const char *uriSpec, const char *resultPath, PRInt32 chunkSize,
PRInt32 interval)
{
nsCOMPtr<nsILocalFile> resultFile;
nsresult rv = NS_NewNativeLocalFile(nsDependentCString(resultPath),
PR_FALSE, getter_AddRefs(resultFile));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), uriSpec);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIRequestObserver> observer = new FetchObserver();
if (!observer)
return NS_ERROR_OUT_OF_MEMORY;
nsCOMPtr<nsIIncrementalDownload> download =
do_CreateInstance(NS_INCREMENTALDOWNLOAD_CONTRACTID, &rv);
if (NS_FAILED(rv))
return rv;
rv = download->Init(uri, resultFile, chunkSize, interval);
if (NS_FAILED(rv))
return rv;
rv = SetupEventQ();
if (NS_FAILED(rv))
return rv;
rv = download->Start(observer, nsnull);
if (NS_FAILED(rv))
return rv;
return PumpEvents();
}
int
main(int argc, char **argv)
{
if (PR_GetEnv("MOZ_BREAK_ON_MAIN"))
NS_BREAK();
if (argc < 5) {
fprintf(stderr, "USAGE: TestIncrementalDownload <url> <file> <chunksize> <interval-in-seconds>\n");
return -1;
}
nsresult rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
if (NS_FAILED(rv))
return -1;
PRInt32 chunkSize = atoi(argv[3]);
PRInt32 interval = atoi(argv[4]);
rv = DoIncrementalFetch(argv[1], argv[2], chunkSize, interval);
if (NS_FAILED(rv))
fprintf(stderr, "ERROR: DoIncrementalFetch failed [%x]\n", rv);
NS_ShutdownXPCOM(nsnull);
return 0;
}