320 lines
9.2 KiB
C++
320 lines
9.2 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "TestCommon.h"
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#include "nsIComponentRegistrar.h"
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#include "nsIStreamTransportService.h"
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#include "nsIAsyncInputStream.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 "nsStringAPI.h"
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#include "nsIFileStreams.h"
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#include "nsIStreamListener.h"
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#include "nsIFile.h"
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#include "nsNetUtil.h"
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#include "nsAutoLock.h"
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#include "mozilla/Logging.h"
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#include "prenv.h"
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////////////////////////////////////////////////////////////////////////////////
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//
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// set NSPR_LOG_MODULES=Test:5
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//
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static PRLogModuleInfo *gTestLog = nullptr;
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#define LOG(args) MOZ_LOG(gTestLog, mozilla::LogLevel::Debug, args)
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////////////////////////////////////////////////////////////////////////////////
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static NS_DEFINE_CID(kStreamTransportServiceCID, NS_STREAMTRANSPORTSERVICE_CID);
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////////////////////////////////////////////////////////////////////////////////
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#define CHUNK_SIZE 500
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class MyCopier : public nsIInputStreamCallback
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, public nsIOutputStreamCallback
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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MyCopier()
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: mLock(nullptr)
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, mInputCondition(NS_OK)
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{
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}
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virtual ~MyCopier()
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{
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if (mLock)
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nsAutoLock::DestroyLock(mLock);
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if (mInput)
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mInput->Close();
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if (mOutput)
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mOutput->Close();
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}
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// called on any thread
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NS_IMETHOD OnInputStreamReady(nsIAsyncInputStream *inStr)
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{
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LOG(("OnInputStreamReady\n"));
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nsAutoLock lock(mLock);
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NS_ASSERTION(inStr == mInput, "unexpected stream");
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Process_Locked();
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return NS_OK;
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}
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// called on any thread
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NS_IMETHOD OnOutputStreamReady(nsIAsyncOutputStream *outStr)
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{
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LOG(("OnOutputStreamReady\n"));
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nsAutoLock lock(mLock);
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NS_ASSERTION(outStr == mOutput, "unexpected stream");
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Process_Locked();
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return NS_OK;
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}
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void Close_Locked()
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{
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LOG(("Close_Locked\n"));
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mOutput->Close();
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mOutput = 0;
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mInput->Close();
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mInput = 0;
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// post done copying event
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QuitPumpingEvents();
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}
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void Process_Locked()
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{
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while (1) {
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mInputCondition = NS_OK; // reset
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uint32_t n;
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nsresult rv = mOutput->WriteSegments(FillOutputBuffer, this, CHUNK_SIZE, &n);
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if (NS_FAILED(rv) || (n == 0)) {
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if (rv == NS_BASE_STREAM_WOULD_BLOCK)
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mOutput->AsyncWait(this, 0, 0, nullptr);
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else if (mInputCondition == NS_BASE_STREAM_WOULD_BLOCK)
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mInput->AsyncWait(this, 0, 0, nullptr);
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else
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Close_Locked();
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break;
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}
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}
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}
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nsresult AsyncCopy(nsITransport *srcTrans, nsITransport *destTrans)
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{
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mLock = nsAutoLock::NewLock("MyCopier::mLock");
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if (!mLock)
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return NS_ERROR_OUT_OF_MEMORY;
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nsresult rv;
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nsCOMPtr<nsIInputStream> inStr;
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rv = srcTrans->OpenInputStream(0, 0, 0, getter_AddRefs(inStr));
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIOutputStream> outStr;
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rv = destTrans->OpenOutputStream(0, 0, 0, getter_AddRefs(outStr));
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if (NS_FAILED(rv)) return rv;
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mInput = do_QueryInterface(inStr);
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mOutput = do_QueryInterface(outStr);
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return mInput->AsyncWait(this, 0, 0, nullptr);
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}
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static nsresult FillOutputBuffer(nsIOutputStream *outStr,
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void *closure,
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char *buffer,
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uint32_t offset,
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uint32_t count,
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uint32_t *countRead)
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{
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MyCopier *self = (MyCopier *) closure;
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nsresult rv = self->mInput->Read(buffer, count, countRead);
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if (NS_FAILED(rv))
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self->mInputCondition = rv;
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else if (*countRead == 0)
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self->mInputCondition = NS_BASE_STREAM_CLOSED;
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return self->mInputCondition;
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}
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protected:
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PRLock *mLock;
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nsCOMPtr<nsIAsyncInputStream> mInput;
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nsCOMPtr<nsIAsyncOutputStream> mOutput;
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nsresult mInputCondition;
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};
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NS_IMPL_ISUPPORTS(MyCopier,
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nsIInputStreamCallback,
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nsIOutputStreamCallback)
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////////////////////////////////////////////////////////////////////////////////
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/**
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* asynchronously copy file.
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*/
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static nsresult
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RunTest(nsIFile *srcFile, nsIFile *destFile)
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{
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nsresult rv;
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LOG(("RunTest\n"));
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nsCOMPtr<nsIStreamTransportService> sts =
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do_GetService(kStreamTransportServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIInputStream> srcStr;
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rv = NS_NewLocalFileInputStream(getter_AddRefs(srcStr), srcFile);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIOutputStream> destStr;
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rv = NS_NewLocalFileOutputStream(getter_AddRefs(destStr), destFile);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsITransport> srcTransport;
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rv = sts->CreateInputTransport(srcStr, int64_t(-1), int64_t(-1), true,
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getter_AddRefs(srcTransport));
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsITransport> destTransport;
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rv = sts->CreateOutputTransport(destStr, int64_t(-1), int64_t(-1), true,
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getter_AddRefs(destTransport));
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if (NS_FAILED(rv)) return rv;
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MyCopier *copier = new MyCopier();
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if (copier == nullptr)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(copier);
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rv = copier->AsyncCopy(srcTransport, destTransport);
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if (NS_FAILED(rv)) return rv;
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PumpEvents();
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NS_RELEASE(copier);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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static nsresult
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RunBlockingTest(nsIFile *srcFile, nsIFile *destFile)
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{
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nsresult rv;
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LOG(("RunBlockingTest\n"));
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nsCOMPtr<nsIStreamTransportService> sts =
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do_GetService(kStreamTransportServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIInputStream> srcIn;
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rv = NS_NewLocalFileInputStream(getter_AddRefs(srcIn), srcFile);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIOutputStream> fileOut;
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rv = NS_NewLocalFileOutputStream(getter_AddRefs(fileOut), destFile);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsITransport> destTransport;
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rv = sts->CreateOutputTransport(fileOut, int64_t(-1), int64_t(-1),
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true, getter_AddRefs(destTransport));
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIOutputStream> destOut;
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rv = destTransport->OpenOutputStream(nsITransport::OPEN_BLOCKING, 100, 10, getter_AddRefs(destOut));
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if (NS_FAILED(rv)) return rv;
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char buf[120];
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uint32_t n;
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for (;;) {
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rv = srcIn->Read(buf, sizeof(buf), &n);
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if (NS_FAILED(rv) || (n == 0)) return rv;
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rv = destOut->Write(buf, n, &n);
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if (NS_FAILED(rv)) return rv;
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}
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return NS_OK;
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}
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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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if (test_common_init(&argc, &argv) != 0)
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return -1;
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nsresult rv;
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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), nullptr, nullptr);
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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(nullptr);
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gTestLog = PR_NewLogModule("Test");
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nsCOMPtr<nsIFile> srcFile;
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rv = NS_NewNativeLocalFile(nsDependentCString(fileName), false, getter_AddRefs(srcFile));
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIFile> destFile;
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rv = srcFile->Clone(getter_AddRefs(destFile));
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if (NS_FAILED(rv)) return rv;
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nsAutoCString leafName;
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rv = destFile->GetNativeLeafName(leafName);
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if (NS_FAILED(rv)) return rv;
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nsAutoCString newName(leafName);
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newName.AppendLiteral(".1");
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rv = destFile->SetNativeLeafName(newName);
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if (NS_FAILED(rv)) return rv;
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rv = RunTest(srcFile, destFile);
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NS_ASSERTION(NS_SUCCEEDED(rv), "RunTest failed");
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newName = leafName;
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newName.AppendLiteral(".2");
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rv = destFile->SetNativeLeafName(newName);
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if (NS_FAILED(rv)) return rv;
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rv = RunBlockingTest(srcFile, destFile);
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NS_ASSERTION(NS_SUCCEEDED(rv), "RunBlockingTest failed");
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// give background threads a chance to finish whatever work they may
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// be doing.
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PR_Sleep(PR_SecondsToInterval(1));
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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(nullptr);
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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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