276 lines
7.8 KiB
C++
276 lines
7.8 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: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsFileTransport.h"
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#include "nsFileTransportService.h"
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#include "nsIURL.h"
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#include "nsCRT.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsIProgressEventSink.h"
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#include "nsIThreadPool.h"
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#include "nsISupportsArray.h"
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#include "nsFileSpec.h"
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#include "nsAutoLock.h"
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#include "nsNetCID.h"
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#include "nsCExternalHandlerService.h"
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////////////////////////////////////////////////////////////////////////////////
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nsFileTransportService* nsFileTransportService::mInstance = nsnull;
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nsFileTransportService::nsFileTransportService() :
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mConnectedTransports (0),
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mTotalTransports (0),
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mInUseTransports (0),
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mShuttingDown(PR_FALSE),
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mLock(nsnull)
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{
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NS_INIT_REFCNT();
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mInstance = this;
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}
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#define NS_FILE_TRANSPORT_WORKER_STACK_SIZE (64 * 1024) /* (8*1024) */
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nsresult
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nsFileTransportService::Init()
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{
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nsresult rv;
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rv = NS_NewThreadPool(getter_AddRefs(mPool),
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NS_FILE_TRANSPORT_WORKER_COUNT_MIN,
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NS_FILE_TRANSPORT_WORKER_COUNT_MAX,
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NS_FILE_TRANSPORT_WORKER_STACK_SIZE);
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if (NS_FAILED(rv))
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return rv;
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mLock = PR_NewLock();
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if (!mLock)
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return NS_ERROR_FAILURE;
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return NS_OK;
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}
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nsFileTransportService::~nsFileTransportService()
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{
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if (mLock)
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PR_DestroyLock(mLock);
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mInstance = nsnull;
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}
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NS_IMPL_THREADSAFE_ISUPPORTS1(nsFileTransportService, nsFileTransportService);
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NS_METHOD
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nsFileTransportService::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
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{
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if (aOuter)
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return NS_ERROR_NO_AGGREGATION;
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nsFileTransportService* ph = new nsFileTransportService();
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if (ph == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(ph);
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nsresult rv = ph->Init();
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if (NS_SUCCEEDED(rv)) {
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rv = ph->QueryInterface(aIID, aResult);
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}
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NS_RELEASE(ph);
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return rv;
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}
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nsIMIMEService*
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nsFileTransportService::GetCachedMimeService()
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{
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if (!mMimeService) {
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mMimeService = do_GetService(NS_MIMESERVICE_CONTRACTID);
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}
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return mMimeService.get();
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}
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////////////////////////////////////////////////////////////////////////////////
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NS_IMETHODIMP
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nsFileTransportService::CreateTransport(nsIFile* file,
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PRInt32 ioFlags,
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PRInt32 perm,
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nsITransport** result)
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{
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nsresult rv;
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nsFileTransport* trans = new nsFileTransport();
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if (trans == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(trans);
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rv = trans->Init(this, file, ioFlags, perm);
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if (NS_FAILED(rv)) {
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NS_RELEASE(trans);
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return rv;
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}
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*result = trans;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFileTransportService::CreateTransportFromStream(const char* name,
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nsIInputStream *fromStream,
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const char* contentType,
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PRInt32 contentLength,
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PRBool closeStreamWhenDone,
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nsITransport** result)
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{
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nsresult rv;
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nsFileTransport* trans = new nsFileTransport();
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if (trans == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(trans);
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rv = trans->Init(this, name, fromStream, contentType, contentLength, closeStreamWhenDone);
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if (NS_FAILED(rv)) {
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NS_RELEASE(trans);
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return rv;
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}
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*result = trans;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFileTransportService::CreateTransportFromStreamIO(nsIStreamIO *io,
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nsITransport **result)
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{
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nsresult rv;
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nsFileTransport* trans = new nsFileTransport();
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if (trans == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(trans);
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rv = trans->Init(this, io);
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if (NS_FAILED(rv)) {
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NS_RELEASE(trans);
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return rv;
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}
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*result = trans;
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return NS_OK;
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}
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nsresult
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nsFileTransportService::ProcessPendingRequests(void)
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{
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return mPool->ProcessPendingRequests();
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}
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nsresult
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nsFileTransportService::Shutdown(void)
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{
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PR_Lock(mLock);
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mShuttingDown = 1;
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PR_Unlock(mLock);
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PRUint32 count;
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mSuspendedTransportList.Count(&count);
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for (PRUint32 i=0; i<count; i++) {
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nsCOMPtr<nsISupports> supports;
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mSuspendedTransportList.GetElementAt(i, getter_AddRefs(supports));
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nsCOMPtr<nsIRequest> trans = do_QueryInterface(supports);
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trans->Cancel(NS_BINDING_ABORTED);
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}
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mSuspendedTransportList.Clear();
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return mPool->Shutdown();
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}
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nsresult
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nsFileTransportService::DispatchRequest(nsIRunnable* runnable)
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{
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return mPool->DispatchRequest(runnable);
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}
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////////////////////////////////////////////////////////////////////////////////
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nsresult
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nsFileTransportService::AddSuspendedTransport(nsITransport* trans)
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{
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nsAutoLock lock(mLock);
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if (mShuttingDown)
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return NS_ERROR_FAILURE;
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NS_STATIC_CAST(nsISupportsArray*, &mSuspendedTransportList)->AppendElement(trans);
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return NS_OK;
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}
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nsresult
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nsFileTransportService::RemoveSuspendedTransport(nsITransport* trans)
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{
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nsAutoLock lock(mLock);
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if (mShuttingDown)
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return NS_ERROR_FAILURE;
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NS_STATIC_CAST(nsISupportsArray*, &mSuspendedTransportList)->RemoveElement(trans);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFileTransportService::GetTotalTransportCount (PRUint32 * o_TransCount)
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{
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if (!o_TransCount)
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return NS_ERROR_NULL_POINTER;
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*o_TransCount = (PRUint32) mTotalTransports;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFileTransportService::GetConnectedTransportCount (PRUint32 * o_TransCount)
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{
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if (!o_TransCount)
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return NS_ERROR_NULL_POINTER;
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*o_TransCount = (PRUint32) mConnectedTransports;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFileTransportService::GetInUseTransportCount (PRUint32 * o_TransCount)
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{
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if (!o_TransCount)
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return NS_ERROR_NULL_POINTER;
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*o_TransCount = (PRUint32) mInUseTransports;
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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