mirror of
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386 lines
13 KiB
C++
386 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIComponentRegistrar.h"
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#include "nsIFileTransportService.h"
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#include "nsITransport.h"
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#include "nsIProgressEventSink.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIRequest.h"
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#include "nsIServiceManager.h"
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#include "nsIComponentManager.h"
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#include "nsCOMPtr.h"
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#include "nsMemory.h"
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#include "nsString.h"
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#include "nsIFileStreams.h"
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#include "nsIStreamListener.h"
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#include "nsIEventQueueService.h"
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#include "nsIEventQueue.h"
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#include "nsILocalFile.h"
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#include "nsNetUtil.h"
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#include "prlog.h"
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////////////////////////////////////////////////////////////////////////////////
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#if defined(PR_LOGGING)
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static PRLogModuleInfo *gTestFileTransportLog = nsnull;
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#define PRINTF(args) PR_LOG(gTestFileTransportLog, PR_LOG_ALWAYS, args)
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#else
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#define PRINTF(args)
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#endif
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#undef PRINTF
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#define PRINTF(args) printf args
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////////////////////////////////////////////////////////////////////////////////
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static NS_DEFINE_CID(kFileTransportServiceCID, NS_FILETRANSPORTSERVICE_CID);
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static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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PRBool gDone = PR_FALSE;
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nsIEventQueue* gEventQ = nsnull;
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////////////////////////////////////////////////////////////////////////////////
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class MyProgressEventSink : public nsIProgressEventSink
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, public nsIInterfaceRequestor {
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public:
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NS_DECL_ISUPPORTS
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MyProgressEventSink() { }
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NS_IMETHOD OnProgress(nsIRequest *request, nsISupports *ctxt,
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PRUint32 progress, PRUint32 progressMax) {
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PRINTF(("progress: %u/%u\n", progress, progressMax));
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return NS_OK;
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}
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NS_IMETHOD OnStatus(nsIRequest *request, nsISupports *ctxt,
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nsresult status, const PRUnichar *statusArg) {
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return NS_OK;
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}
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NS_IMETHOD GetInterface(const nsIID &iid, void **result) {
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if (iid.Equals(NS_GET_IID(nsIProgressEventSink)))
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return QueryInterface(iid, result);
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return NS_ERROR_NO_INTERFACE;
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}
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};
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NS_IMPL_THREADSAFE_ISUPPORTS2(MyProgressEventSink,
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nsIProgressEventSink,
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nsIInterfaceRequestor)
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////////////////////////////////////////////////////////////////////////////////
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class MyListener : public nsIStreamListener {
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public:
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NS_DECL_ISUPPORTS
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NS_IMETHOD OnStartRequest(nsIRequest *request, nsISupports *ctxt) {
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PRINTF(("starting\n"));
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return NS_OK;
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}
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NS_IMETHOD OnStopRequest(nsIRequest *request, nsISupports *ctxt,
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nsresult aStatus) {
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PRINTF(("ending status=%0x total=%d\n", aStatus, mTotal));
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if (--mStopCount == 0)
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gDone = PR_TRUE;
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return NS_OK;
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}
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NS_IMETHOD OnDataAvailable(nsIRequest *request, nsISupports *ctxt,
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nsIInputStream *inStr, PRUint32 sourceOffset,
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PRUint32 count) {
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PRINTF(("receiving %d bytes\n", count));
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char buf[256];
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PRUint32 writeCount, givenCount=count;
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nsresult rv;
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while (count > 0) {
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PRUint32 amt = PR_MIN(count, 256);
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PRUint32 readCount;
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rv = inStr->Read(buf, amt, &readCount);
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if (NS_FAILED(rv)) return rv;
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NS_ASSERTION(readCount != 0, "premature EOF");
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rv = mOut->Write(buf, readCount, &writeCount);
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if (NS_FAILED(rv)) return rv;
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NS_ASSERTION(writeCount == readCount, "failed to write all the data");
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count -= readCount;
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mTotal += readCount;
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}
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PRINTF(("done reading data [read %u bytes]\n", givenCount - count));
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//PRINTF("sleeping for 100 ticks\n");FLUSH();
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//PR_Sleep(100);
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return NS_OK;
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}
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MyListener(PRUint32 stopCount = 1) : mTotal(0), mStopCount(stopCount) {
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}
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nsresult Init(const char* origFile) {
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nsresult rv;
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nsCOMPtr<nsILocalFile> file;
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rv = NS_NewNativeLocalFile(nsDependentCString(origFile), PR_FALSE, getter_AddRefs(file));
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if (NS_FAILED(rv)) return rv;
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nsCAutoString name;
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rv = file->GetNativeLeafName(name);
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if (NS_FAILED(rv)) return rv;
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name.AppendLiteral(".bak");
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rv = file->SetNativeLeafName(name);
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if (NS_FAILED(rv)) return rv;
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rv = NS_NewLocalFileOutputStream(getter_AddRefs(mOut),
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file,
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PR_CREATE_FILE | PR_WRONLY | PR_TRUNCATE,
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0664);
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return rv;
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}
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virtual ~MyListener() {
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nsresult rv = mOut->Close();
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NS_ASSERTION(NS_SUCCEEDED(rv), "Close failed");
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}
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protected:
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nsCOMPtr<nsIOutputStream> mOut;
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PRUint32 mTotal;
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PRUint32 mStopCount;
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};
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NS_IMPL_THREADSAFE_ISUPPORTS2(MyListener, nsIStreamListener, nsIRequestObserver)
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////////////////////////////////////////////////////////////////////////////////
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nsresult
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TestAsyncRead(const char* fileName, PRUint32 offset, PRInt32 length)
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{
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nsresult rv;
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PRINTF(("TestAsyncRead\n"));
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nsCOMPtr<nsIFileTransportService> fts =
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do_GetService(kFileTransportServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsITransport* fileTrans;
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nsCOMPtr<nsILocalFile> file;
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rv = NS_NewNativeLocalFile(nsDependentCString(fileName), PR_FALSE, getter_AddRefs(file));
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if (NS_FAILED(rv)) return rv;
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rv = fts->CreateTransport(file, PR_RDONLY, 0, PR_TRUE, &fileTrans);
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if (NS_FAILED(rv)) return rv;
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MyListener* listener = new MyListener();
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if (listener == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(listener);
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rv = listener->Init(fileName);
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if (NS_FAILED(rv)) return rv;
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MyProgressEventSink* progressSink = new MyProgressEventSink();
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if (progressSink == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(progressSink);
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rv = fileTrans->SetNotificationCallbacks(progressSink, PR_FALSE);
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if (NS_FAILED(rv)) return rv;
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gDone = PR_FALSE;
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nsCOMPtr<nsIRequest> request;
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rv = fileTrans->AsyncRead(listener, nsnull, offset, length, 0, getter_AddRefs(request));
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if (NS_FAILED(rv)) return rv;
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while (!gDone) {
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PLEvent* event;
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rv = gEventQ->WaitForEvent(&event);
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if (NS_FAILED(rv)) return rv;
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rv = gEventQ->HandleEvent(event);
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if (NS_FAILED(rv)) return rv;
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}
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NS_RELEASE(listener);
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NS_RELEASE(fileTrans);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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nsresult
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TestAsyncWrite(const char* fileName, PRUint32 offset, PRInt32 length)
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{
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nsresult rv;
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PRINTF(("TestAsyncWrite\n"));
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nsCOMPtr<nsIFileTransportService> fts =
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do_GetService(kFileTransportServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsCAutoString outFile(fileName);
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outFile.AppendLiteral(".out");
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nsITransport* fileTrans;
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nsCOMPtr<nsILocalFile> file;
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rv = NS_NewNativeLocalFile(outFile, PR_FALSE, getter_AddRefs(file));
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if (NS_FAILED(rv)) return rv;
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rv = fts->CreateTransport(file,
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PR_CREATE_FILE | PR_WRONLY | PR_TRUNCATE,
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0664, PR_TRUE, &fileTrans);
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if (NS_FAILED(rv)) return rv;
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MyListener* listener = new MyListener();
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if (listener == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(listener);
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rv = listener->Init(outFile.get());
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if (NS_FAILED(rv)) return rv;
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MyProgressEventSink* progressSink = new MyProgressEventSink();
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if (progressSink == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(progressSink);
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rv = fileTrans->SetNotificationCallbacks(progressSink, PR_FALSE);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsILocalFile> f;
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rv = NS_NewNativeLocalFile(nsDependentCString(fileName), PR_FALSE, getter_AddRefs(f));
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIInputStream> inStr;
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rv = NS_NewLocalFileInputStream(getter_AddRefs(inStr), f);
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if (NS_FAILED(rv)) return rv;
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gDone = PR_FALSE;
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nsCOMPtr<nsIRequest> request;
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rv = NS_AsyncWriteFromStream(getter_AddRefs(request), fileTrans, inStr, offset, length, 0, listener);
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if (NS_FAILED(rv)) return rv;
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while (!gDone) {
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PLEvent* event;
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rv = gEventQ->WaitForEvent(&event);
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if (NS_FAILED(rv)) return rv;
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rv = gEventQ->HandleEvent(event);
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if (NS_FAILED(rv)) return rv;
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}
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NS_RELEASE(listener);
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NS_RELEASE(fileTrans);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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#if 0
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class MyOpenObserver : public nsIRequestObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_IMETHOD OnStartRequest(nsIRequest *request, nsISupports *ctxt) {
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nsresult rv;
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char* contentType;
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nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
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rv = channel->GetContentType(&contentType);
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if (NS_FAILED(rv)) return rv;
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PRInt32 length;
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rv = cr->GetContentLength(&length);
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if (NS_FAILED(rv)) return rv;
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PRINTF(("stream opened: content type = %s, length = %d\n",
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contentType, length));
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nsCRT::free(contentType);
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return NS_OK;
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}
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NS_IMETHOD OnStopRequest(nsIRequest *request, nsISupports *ctxt,
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nsresult aStatus) {
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PRINTF(("stream closed: status %x\n", aStatus));
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return NS_OK;
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}
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MyOpenObserver() { }
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virtual ~MyOpenObserver() {}
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};
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NS_IMPL_ISUPPORTS1(MyOpenObserver, nsIRequestObserver)
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#endif
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////////////////////////////////////////////////////////////////////////////////
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int
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main(int argc, char* argv[])
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{
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nsresult rv;
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#if defined(PR_LOGGING)
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gTestFileTransportLog = PR_NewLogModule("TestFileTransport");
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#endif
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if (argc < 2) {
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printf("usage: %s <file-to-read>\n", argv[0]);
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return -1;
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}
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char* fileName = argv[1];
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{
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nsCOMPtr<nsIServiceManager> servMan;
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NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, nsnull);
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nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan);
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NS_ASSERTION(registrar, "Null nsIComponentRegistrar");
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if (registrar)
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registrar->AutoRegister(nsnull);
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nsCOMPtr<nsIEventQueueService> eventQService =
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do_GetService(kEventQueueServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, &gEventQ);
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if (NS_FAILED(rv)) return rv;
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rv = TestAsyncRead(fileName, 0, -1);
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NS_ASSERTION(NS_SUCCEEDED(rv), "TestAsyncRead failed");
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rv = TestAsyncWrite(fileName, 0, -1);
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NS_ASSERTION(NS_SUCCEEDED(rv), "TestAsyncWrite failed");
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rv = TestAsyncRead(fileName, 10, 100);
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NS_ASSERTION(NS_SUCCEEDED(rv), "TestAsyncRead failed");
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NS_RELEASE(gEventQ);
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} // this scopes the nsCOMPtrs
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// no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
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rv = NS_ShutdownXPCOM(nsnull);
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NS_ASSERTION(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed");
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return NS_OK;
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}
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