зеркало из https://github.com/mozilla/gecko-dev.git
319 строки
8.3 KiB
C++
319 строки
8.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include <stdio.h>
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#ifdef WIN32
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#include <windows.h>
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#endif
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#include "nspr.h"
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#include "nscore.h"
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#include "nsCOMPtr.h"
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#include "nsIEventQueueService.h"
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#include "nsIIOService.h"
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#include "nsIServiceManager.h"
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#include "nsIStreamListener.h"
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#include "nsIInputStream.h"
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#include "nsCRT.h"
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#include "nsIChannel.h"
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#include "nsIURL.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIDNSService.h"
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#include "nsISimpleEnumerator.h"
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#include "nsXPIDLString.h"
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#include "nsNetUtil.h"
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static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
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static int gKeepRunning = 0;
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static nsIEventQueue* gEventQ = nsnull;
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static PRBool gError = PR_FALSE;
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#define NS_IEQUALS_IID \
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{ 0x11c5c8ee, 0x1dd2, 0x11b2, \
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{ 0xa8, 0x93, 0xbb, 0x23, 0xa1, 0xb6, 0x27, 0x76 }}
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class nsIEquals : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IEQUALS_IID)
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NS_IMETHOD Equals(void *aPtr, PRBool *_retval) = 0;
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};
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class ConsumerContext : public nsIEquals {
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public:
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NS_DECL_ISUPPORTS
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ConsumerContext() { NS_INIT_REFCNT();}
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NS_IMETHOD Equals(void *aPtr, PRBool *_retval) {
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*_retval = PR_TRUE;
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if (aPtr != this) *_retval = PR_FALSE;
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return NS_OK;
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};
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};
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NS_IMPL_THREADSAFE_ISUPPORTS1(ConsumerContext, nsIEquals);
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class Consumer : public nsIStreamListener {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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Consumer();
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virtual ~Consumer();
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nsresult Init(nsIURI *aURI, nsIChannel *aChannel, nsISupports *aContext);
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nsresult Validate(nsIRequest *request, nsISupports *aContext);
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// member data
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PRBool mOnStart; // have we received an OnStart?
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PRBool mOnStop; // have we received an onStop?
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PRInt32 mOnDataCount; // number of times OnData was called.
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nsCOMPtr<nsIURI> mURI;
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nsCOMPtr<nsIChannel> mChannel;
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nsCOMPtr<nsIEquals> mContext;
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};
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// nsISupports implementation
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NS_IMPL_THREADSAFE_ISUPPORTS2(Consumer, nsIStreamListener, nsIRequestObserver);
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// nsIRequestObserver implementation
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NS_IMETHODIMP
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Consumer::OnStartRequest(nsIRequest *request, nsISupports* aContext) {
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fprintf(stderr, "Consumer::OnStart() -> in\n\n");
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if (mOnStart) {
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fprintf(stderr, "INFO: multiple OnStarts received\n");
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}
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mOnStart = PR_TRUE;
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nsresult rv = Validate(request, aContext);
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if (NS_FAILED(rv)) return rv;
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fprintf(stderr, "Consumer::OnStart() -> out\n\n");
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return rv;
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}
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NS_IMETHODIMP
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Consumer::OnStopRequest(nsIRequest *request, nsISupports *aContext,
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nsresult aStatus) {
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fprintf(stderr, "Consumer::OnStop() -> in\n\n");
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if (!mOnStart) {
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gError = PR_TRUE;
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fprintf(stderr, "ERROR: No OnStart received\n");
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}
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if (mOnStop) {
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fprintf(stderr, "INFO: multiple OnStops received\n");
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}
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fprintf(stderr, "INFO: received %d OnData()s\n", mOnDataCount);
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mOnStop = PR_TRUE;
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nsresult rv = Validate(request, aContext);
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if (NS_FAILED(rv)) return rv;
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fprintf(stderr, "Consumer::OnStop() -> out\n\n");
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return rv;
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}
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// nsIStreamListener implementation
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NS_IMETHODIMP
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Consumer::OnDataAvailable(nsIRequest *request, nsISupports *aContext,
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nsIInputStream *aIStream,
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PRUint32 aOffset, PRUint32 aLength) {
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fprintf(stderr, "Consumer::OnData() -> in\n\n");
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if (!mOnStart) {
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gError = PR_TRUE;
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fprintf(stderr, "ERROR: No OnStart received\n");
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}
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mOnDataCount += 1;
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nsresult rv = Validate(request, aContext);
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if (NS_FAILED(rv)) return rv;
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fprintf(stderr, "Consumer::OnData() -> out\n\n");
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return rv;
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}
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// Consumer implementation
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Consumer::Consumer() {
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NS_INIT_REFCNT();
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mOnStart = mOnStop = PR_FALSE;
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mOnDataCount = 0;
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gKeepRunning++;
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}
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Consumer::~Consumer() {
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fprintf(stderr, "Consumer::~Consumer -> in\n\n");
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if (!mOnStart) {
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gError = PR_TRUE;
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fprintf(stderr, "ERROR: Never got an OnStart\n");
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}
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if (!mOnStop) {
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gError = PR_TRUE;
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fprintf(stderr, "ERROR: Never got an OnStop \n");
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}
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fprintf(stderr, "Consumer::~Consumer -> out\n\n");
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gKeepRunning--;
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}
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nsresult
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Consumer::Init(nsIURI *aURI, nsIChannel* aChannel, nsISupports *aContext) {
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mURI = aURI;
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mChannel = aChannel;
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mContext = do_QueryInterface(aContext);
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return NS_OK;
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}
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nsresult
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Consumer::Validate(nsIRequest* request, nsISupports *aContext) {
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nsresult rv = NS_OK;
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nsCOMPtr<nsIURI> uri;
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nsCOMPtr<nsIChannel> aChannel = do_QueryInterface(request);
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rv = aChannel->GetURI(getter_AddRefs(uri));
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if (NS_FAILED(rv)) return rv;
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PRBool same = PR_FALSE;
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rv = mURI->Equals(uri, &same);
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if (NS_FAILED(rv)) return rv;
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if (!same)
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fprintf(stderr, "INFO: URIs do not match\n");
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rv = mContext->Equals((void*)aContext, &same);
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if (NS_FAILED(rv)) return rv;
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if (!same) {
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gError = PR_TRUE;
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fprintf(stderr, "ERROR: Contexts do not match\n");
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}
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return rv;
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}
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nsresult StartLoad(char *);
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int main(int argc, char *argv[]) {
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nsresult rv = NS_OK;
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PRBool cmdLineURL = PR_FALSE;
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if (argc > 1) {
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// run in signle url mode
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cmdLineURL = PR_TRUE;
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}
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rv = NS_InitXPCOM(nsnull, nsnull);
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if (NS_FAILED(rv)) return rv;
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// Create the Event Queue for this thread...
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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->CreateThreadEventQueue();
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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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if (cmdLineURL) {
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rv = StartLoad(argv[1]);
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} else {
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rv = StartLoad("http://badhostnamexyz/test.txt");
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}
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if (NS_FAILED(rv)) return rv;
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// Enter the message pump to allow the URL load to proceed.
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while ( gKeepRunning ) {
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#ifdef WIN32
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MSG msg;
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if (GetMessage(&msg, NULL, 0, 0)) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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} else {
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gKeepRunning = 0;
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}
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#else
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#ifdef XP_MAC
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/* Mac stuff is missing here! */
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#else
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PLEvent *gEvent;
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rv = gEventQ->GetEvent(&gEvent);
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rv = gEventQ->HandleEvent(gEvent);
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#endif /* XP_UNIX */
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#endif /* !WIN32 */
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}
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NS_ShutdownXPCOM(nsnull);
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if (gError) {
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fprintf(stderr, "\n\n-------ERROR-------\n\n");
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}
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return rv;
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}
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nsresult StartLoad(char *aURISpec) {
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nsresult rv = NS_OK;
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// create a context
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ConsumerContext *context = new ConsumerContext;
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nsCOMPtr<nsISupports> contextSup = do_QueryInterface(context, &rv);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIIOService> serv;
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rv = nsServiceManager::GetService(kIOServiceCID, NS_GET_IID(nsIIOService),
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getter_AddRefs(serv));
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if (NS_FAILED(rv)) return rv;
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// create a uri
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nsCOMPtr<nsIURI> uri;
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rv = NS_NewURI(getter_AddRefs(uri), aURISpec);
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if (NS_FAILED(rv)) return rv;
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// create a channel
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nsCOMPtr<nsIChannel> channel;
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rv = serv->NewChannelFromURI(uri, getter_AddRefs(channel));
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if (NS_FAILED(rv)) return rv;
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Consumer *consumer = new Consumer;
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rv = consumer->Init(uri, channel, contextSup);
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if (NS_FAILED(rv)) return rv;
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// kick off the load
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nsCOMPtr<nsIRequest> request;
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return channel->AsyncOpen(NS_STATIC_CAST(nsIStreamListener*, consumer), contextSup);
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}
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