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pjs/netwerk/test/TestFileTransport.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIComponentRegistrar.h"
#include "nsIFileTransportService.h"
#include "nsITransport.h"
#include "nsIProgressEventSink.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIRequest.h"
#include "nsIServiceManager.h"
#include "nsIComponentManager.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 "prlog.h"
////////////////////////////////////////////////////////////////////////////////
#if defined(PR_LOGGING)
static PRLogModuleInfo *gTestFileTransportLog = nsnull;
#define PRINTF(args) PR_LOG(gTestFileTransportLog, PR_LOG_ALWAYS, args)
#else
#define PRINTF(args)
#endif
#undef PRINTF
#define PRINTF(args) printf args
////////////////////////////////////////////////////////////////////////////////
static NS_DEFINE_CID(kFileTransportServiceCID, NS_FILETRANSPORTSERVICE_CID);
static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
static NS_DEFINE_CID(kEventQueueCID, NS_EVENTQUEUE_CID);
PRBool gDone = PR_FALSE;
nsIEventQueue* gEventQ = nsnull;
////////////////////////////////////////////////////////////////////////////////
class MyProgressEventSink : public nsIProgressEventSink
, public nsIInterfaceRequestor {
public:
NS_DECL_ISUPPORTS
MyProgressEventSink() { NS_INIT_ISUPPORTS(); }
NS_IMETHOD OnProgress(nsIRequest *request, nsISupports *ctxt,
PRUint32 progress, PRUint32 progressMax) {
PRINTF(("progress: %u/%u\n", progress, progressMax));
return NS_OK;
}
NS_IMETHOD OnStatus(nsIRequest *request, nsISupports *ctxt,
nsresult status, const PRUnichar *statusArg) {
return NS_OK;
}
NS_IMETHOD GetInterface(const nsIID &iid, void **result) {
if (iid.Equals(NS_GET_IID(nsIProgressEventSink)))
return QueryInterface(iid, result);
return NS_ERROR_NO_INTERFACE;
}
};
NS_IMPL_THREADSAFE_ISUPPORTS2(MyProgressEventSink,
nsIProgressEventSink,
nsIInterfaceRequestor)
////////////////////////////////////////////////////////////////////////////////
class MyListener : public nsIStreamListener {
public:
NS_DECL_ISUPPORTS
NS_IMETHOD OnStartRequest(nsIRequest *request, nsISupports *ctxt) {
PRINTF(("starting\n"));
return NS_OK;
}
NS_IMETHOD OnStopRequest(nsIRequest *request, nsISupports *ctxt,
nsresult aStatus) {
PRINTF(("ending status=%0x total=%d\n", aStatus, mTotal));
if (--mStopCount == 0)
gDone = PR_TRUE;
return NS_OK;
}
NS_IMETHOD OnDataAvailable(nsIRequest *request, nsISupports *ctxt,
nsIInputStream *inStr, PRUint32 sourceOffset,
PRUint32 count) {
PRINTF(("receiving %d bytes\n", count));
char buf[256];
PRUint32 writeCount, givenCount=count;
nsresult rv;
while (count > 0) {
PRUint32 amt = PR_MIN(count, 256);
PRUint32 readCount;
rv = inStr->Read(buf, amt, &readCount);
if (NS_FAILED(rv)) return rv;
NS_ASSERTION(readCount != 0, "premature EOF");
rv = mOut->Write(buf, readCount, &writeCount);
if (NS_FAILED(rv)) return rv;
NS_ASSERTION(writeCount == readCount, "failed to write all the data");
count -= readCount;
mTotal += readCount;
}
PRINTF(("done reading data [read %u bytes]\n", givenCount - count));
//PRINTF("sleeping for 100 ticks\n");FLUSH();
//PR_Sleep(100);
return NS_OK;
}
MyListener(PRUint32 stopCount = 1) : mTotal(0), mStopCount(stopCount) {
NS_INIT_REFCNT();
}
nsresult Init(const char* origFile) {
nsresult rv;
nsCOMPtr<nsILocalFile> file;
rv = NS_NewNativeLocalFile(nsDependentCString(origFile), PR_FALSE, getter_AddRefs(file));
if (NS_FAILED(rv)) return rv;
nsCAutoString name;
rv = file->GetNativeLeafName(name);
if (NS_FAILED(rv)) return rv;
name += NS_LITERAL_CSTRING(".bak");
rv = file->SetNativeLeafName(name);
if (NS_FAILED(rv)) return rv;
rv = NS_NewLocalFileOutputStream(getter_AddRefs(mOut),
file,
PR_CREATE_FILE | PR_WRONLY | PR_TRUNCATE,
0664);
return rv;
}
virtual ~MyListener() {
nsresult rv = mOut->Close();
NS_ASSERTION(NS_SUCCEEDED(rv), "Close failed");
}
protected:
nsCOMPtr<nsIOutputStream> mOut;
PRUint32 mTotal;
PRUint32 mStopCount;
};
NS_IMPL_THREADSAFE_ISUPPORTS2(MyListener, nsIStreamListener, nsIRequestObserver);
////////////////////////////////////////////////////////////////////////////////
nsresult
TestAsyncRead(const char* fileName, PRUint32 offset, PRInt32 length)
{
nsresult rv;
PRINTF(("TestAsyncRead\n"));
nsCOMPtr<nsIFileTransportService> fts =
do_GetService(kFileTransportServiceCID, &rv);
if (NS_FAILED(rv)) return rv;
nsITransport* fileTrans;
nsCOMPtr<nsILocalFile> file;
rv = NS_NewNativeLocalFile(nsDependentCString(fileName), PR_FALSE, getter_AddRefs(file));
if (NS_FAILED(rv)) return rv;
rv = fts->CreateTransport(file, PR_RDONLY, 0, PR_TRUE, &fileTrans);
if (NS_FAILED(rv)) return rv;
MyListener* listener = new MyListener();
if (listener == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(listener);
rv = listener->Init(fileName);
if (NS_FAILED(rv)) return rv;
MyProgressEventSink* progressSink = new MyProgressEventSink();
if (progressSink == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(progressSink);
rv = fileTrans->SetNotificationCallbacks(progressSink, PR_FALSE);
if (NS_FAILED(rv)) return rv;
gDone = PR_FALSE;
nsCOMPtr<nsIRequest> request;
rv = fileTrans->AsyncRead(listener, nsnull, offset, length, 0, getter_AddRefs(request));
if (NS_FAILED(rv)) return rv;
while (!gDone) {
PLEvent* event;
rv = gEventQ->WaitForEvent(&event);
if (NS_FAILED(rv)) return rv;
rv = gEventQ->HandleEvent(event);
if (NS_FAILED(rv)) return rv;
}
NS_RELEASE(listener);
NS_RELEASE(fileTrans);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
nsresult
TestAsyncWrite(const char* fileName, PRUint32 offset, PRInt32 length)
{
nsresult rv;
PRINTF(("TestAsyncWrite\n"));
nsCOMPtr<nsIFileTransportService> fts =
do_GetService(kFileTransportServiceCID, &rv);
if (NS_FAILED(rv)) return rv;
nsCAutoString outFile(fileName);
outFile += NS_LITERAL_CSTRING(".out");
nsITransport* fileTrans;
nsCOMPtr<nsILocalFile> file;
rv = NS_NewNativeLocalFile(outFile, PR_FALSE, getter_AddRefs(file));
if (NS_FAILED(rv)) return rv;
rv = fts->CreateTransport(file,
PR_CREATE_FILE | PR_WRONLY | PR_TRUNCATE,
0664, PR_TRUE, &fileTrans);
if (NS_FAILED(rv)) return rv;
MyListener* listener = new MyListener();
if (listener == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(listener);
rv = listener->Init(outFile.get());
if (NS_FAILED(rv)) return rv;
MyProgressEventSink* progressSink = new MyProgressEventSink();
if (progressSink == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(progressSink);
rv = fileTrans->SetNotificationCallbacks(progressSink, PR_FALSE);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsILocalFile> f;
rv = NS_NewNativeLocalFile(nsDependentCString(fileName), PR_FALSE, getter_AddRefs(f));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIInputStream> inStr;
rv = NS_NewLocalFileInputStream(getter_AddRefs(inStr), f);
if (NS_FAILED(rv)) return rv;
gDone = PR_FALSE;
nsCOMPtr<nsIRequest> request;
rv = NS_AsyncWriteFromStream(getter_AddRefs(request), fileTrans, inStr, offset, length, 0, listener);
if (NS_FAILED(rv)) return rv;
while (!gDone) {
PLEvent* event;
rv = gEventQ->WaitForEvent(&event);
if (NS_FAILED(rv)) return rv;
rv = gEventQ->HandleEvent(event);
if (NS_FAILED(rv)) return rv;
}
NS_RELEASE(listener);
NS_RELEASE(fileTrans);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
#if 0
class MyOpenObserver : public nsIRequestObserver
{
public:
NS_DECL_ISUPPORTS
NS_IMETHOD OnStartRequest(nsIRequest *request, nsISupports *ctxt) {
nsresult rv;
char* contentType;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
rv = channel->GetContentType(&contentType);
if (NS_FAILED(rv)) return rv;
PRInt32 length;
rv = cr->GetContentLength(&length);
if (NS_FAILED(rv)) return rv;
PRINTF(("stream opened: content type = %s, length = %d\n",
contentType, length));
nsCRT::free(contentType);
return NS_OK;
}
NS_IMETHOD OnStopRequest(nsIRequest *request, nsISupports *ctxt,
nsresult aStatus) {
PRINTF(("stream closed: status %x\n", aStatus));
return NS_OK;
}
MyOpenObserver() { NS_INIT_REFCNT(); }
virtual ~MyOpenObserver() {}
};
NS_IMPL_ISUPPORTS1(MyOpenObserver, nsIRequestObserver);
#endif
////////////////////////////////////////////////////////////////////////////////
int
main(int argc, char* argv[])
{
nsresult rv;
#if defined(PR_LOGGING)
gTestFileTransportLog = PR_NewLogModule("TestFileTransport");
#endif
if (argc < 2) {
printf("usage: %s <file-to-read>\n", argv[0]);
return -1;
}
char* fileName = argv[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);
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;
rv = TestAsyncRead(fileName, 0, -1);
NS_ASSERTION(NS_SUCCEEDED(rv), "TestAsyncRead failed");
rv = TestAsyncWrite(fileName, 0, -1);
NS_ASSERTION(NS_SUCCEEDED(rv), "TestAsyncWrite failed");
rv = TestAsyncRead(fileName, 10, 100);
NS_ASSERTION(NS_SUCCEEDED(rv), "TestAsyncRead failed");
NS_RELEASE(gEventQ);
} // 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;
}
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