gecko-dev/netwerk/test/TestStreamPump.cpp

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7.5 KiB
C++

/* ***** 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.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@netscape.com>
*
* 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 "TestCommon.h"
#include "nsIComponentRegistrar.h"
#include "nsIStreamTransportService.h"
#include "nsIAsyncInputStream.h"
#include "nsIProgressEventSink.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIProxyObjectManager.h"
#include "nsIRequest.h"
#include "nsIServiceManager.h"
#include "nsIComponentManager.h"
#include "nsISeekableStream.h"
#include "nsCOMPtr.h"
#include "nsMemory.h"
#include "nsString.h"
#include "nsIFileStreams.h"
#include "nsIStreamListener.h"
#include "nsIEventQueueService.h"
#include "nsIEventQueue.h"
#include "nsILocalFile.h"
#include "nsNetUtil.h"
#include "nsAutoLock.h"
#include "prlog.h"
#include "prprf.h"
////////////////////////////////////////////////////////////////////////////////
#if defined(PR_LOGGING)
//
// set NSPR_LOG_MODULES=Test:5
//
static PRLogModuleInfo *gTestLog = nsnull;
#define LOG(args) PR_LOG(gTestLog, PR_LOG_DEBUG, args)
#else
#define LOG(args)
#endif
////////////////////////////////////////////////////////////////////////////////
static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
PRBool gDone = PR_FALSE;
nsIEventQueue *gEventQ = nsnull;
////////////////////////////////////////////////////////////////////////////////
static void *PR_CALLBACK
DoneEvent_Handler(PLEvent *ev)
{
gDone = PR_TRUE;
return nsnull;
}
static void PR_CALLBACK
DoneEvent_Cleanup(PLEvent *ev)
{
delete ev;
}
static void
PostDoneEvent()
{
LOG(("PostDoneEvent\n"));
PLEvent *ev = new PLEvent();
PL_InitEvent(ev, nsnull,
DoneEvent_Handler,
DoneEvent_Cleanup);
gEventQ->PostEvent(ev);
}
////////////////////////////////////////////////////////////////////////////////
class MyListener : public nsIStreamListener
{
public:
NS_DECL_ISUPPORTS
MyListener() {}
virtual ~MyListener() {}
NS_IMETHOD OnStartRequest(nsIRequest *req, nsISupports *ctx)
{
LOG(("MyListener::OnStartRequest\n"));
return NS_OK;
}
NS_IMETHOD OnDataAvailable(nsIRequest *req, nsISupports *ctx,
nsIInputStream *stream,
PRUint32 offset, PRUint32 count)
{
LOG(("MyListener::OnDataAvailable [offset=%u count=%u]\n", offset, count));
char buf[500];
nsresult rv;
while (count) {
PRUint32 n, amt = PR_MIN(count, sizeof(buf));
rv = stream->Read(buf, amt, &n);
if (NS_FAILED(rv)) {
LOG((" read returned 0x%08x\n", rv));
return rv;
}
fwrite(buf, n, 1, stdout);
printf("\n");
LOG((" read %u bytes\n", n));
count -= n;
}
return NS_OK;
}
NS_IMETHOD OnStopRequest(nsIRequest *req, nsISupports *ctx, nsresult status)
{
LOG(("MyListener::OnStopRequest [status=%x]\n", status));
PostDoneEvent();
return NS_OK;
}
};
NS_IMPL_ISUPPORTS2(MyListener,
nsIRequestObserver,
nsIStreamListener)
////////////////////////////////////////////////////////////////////////////////
/**
* asynchronously copy file.
*/
static nsresult
RunTest(nsIFile *file, PRInt64 offset, PRInt64 length)
{
nsresult rv;
LOG(("RunTest\n"));
nsCOMPtr<nsIInputStream> stream;
rv = NS_NewLocalFileInputStream(getter_AddRefs(stream), file);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIInputStreamPump> pump;
rv = NS_NewInputStreamPump(getter_AddRefs(pump), stream, offset, length);
if (NS_FAILED(rv)) return rv;
rv = pump->AsyncRead(new MyListener(), nsnull);
if (NS_FAILED(rv)) return rv;
gDone = PR_FALSE;
while (!gDone) {
PLEvent *event;
rv = gEventQ->WaitForEvent(&event);
if (NS_FAILED(rv)) return rv;
rv = gEventQ->HandleEvent(event);
if (NS_FAILED(rv)) return rv;
}
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
int
main(int argc, char* argv[])
{
if (test_common_init(&argc, &argv) != 0)
return -1;
nsresult rv;
if (argc < 4) {
printf("usage: %s <file-to-read> <start-offset> <read-length>\n", argv[0]);
return -1;
}
char* fileName = argv[1];
PRInt64 offset, length;
int err = PR_sscanf(argv[2], "%lld", &offset);
if (err == -1) {
printf("Start offset must be an integer!\n");
return 1;
}
err = PR_sscanf(argv[3], "%lld", &length);
if (err == -1) {
printf("Length must be an integer!\n");
return 1;
}
{
nsCOMPtr<nsIServiceManager> servMan;
NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, nsnull);
nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan);
NS_ASSERTION(registrar, "Null nsIComponentRegistrar");
if (registrar)
registrar->AutoRegister(nsnull);
#if defined(PR_LOGGING)
gTestLog = PR_NewLogModule("Test");
#endif
nsCOMPtr<nsIEventQueueService> eventQService =
do_GetService(kEventQueueServiceCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, &gEventQ);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsILocalFile> file;
rv = NS_NewNativeLocalFile(nsDependentCString(fileName), PR_FALSE, getter_AddRefs(file));
if (NS_FAILED(rv)) return rv;
rv = RunTest(file, offset, length);
NS_ASSERTION(NS_SUCCEEDED(rv), "RunTest failed");
NS_RELEASE(gEventQ);
// give background threads a chance to finish whatever work they may
// be doing.
PR_Sleep(PR_SecondsToInterval(1));
} // this scopes the nsCOMPtrs
// no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
rv = NS_ShutdownXPCOM(nsnull);
NS_ASSERTION(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed");
return NS_OK;
}