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TestIncrementalDownload.cpp
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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: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdlib.h>
#include "TestCommon.h"
#include "nsNetUtil.h"
#include "nsIIncrementalDownload.h"
#include "nsIRequestObserver.h"
#include "nsIProgressEventSink.h"
#include "nsThreadUtils.h"
#include "nsAutoPtr.h"
#include "prprf.h"
#include "prenv.h"
#include "mozilla/Attributes.h"
//-----------------------------------------------------------------------------
class FetchObserver MOZ_FINAL : 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,
uint64_t progress, uint64_t progressMax)
{
printf("FetchObserver::OnProgress [%lu/%lu]\n",
(unsigned long)progress, (unsigned long)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",
static_cast<uint32_t>(status));
QuitPumpingEvents();
return NS_OK;
}
//-----------------------------------------------------------------------------
static nsresult
DoIncrementalFetch(const char *uriSpec, const char *resultPath, int32_t chunkSize,
int32_t interval)
{
nsCOMPtr<nsIFile> resultFile;
nsresult rv = NS_NewNativeLocalFile(nsDependentCString(resultPath),
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 = download->Start(observer, nullptr);
if (NS_FAILED(rv))
return rv;
PumpEvents();
return NS_OK;
}
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(nullptr, nullptr, nullptr);
if (NS_FAILED(rv))
return -1;
int32_t chunkSize = atoi(argv[3]);
int32_t interval = atoi(argv[4]);
rv = DoIncrementalFetch(argv[1], argv[2], chunkSize, interval);
if (NS_FAILED(rv))
fprintf(stderr, "ERROR: DoIncrementalFetch failed [%x]\n",
static_cast<uint32_t>(rv));
NS_ShutdownXPCOM(nullptr);
return 0;
}