зеркало из https://github.com/mozilla/gecko-dev.git
766 строки
22 KiB
C++
766 строки
22 KiB
C++
// vim:set sw=4 sts=4 et cin:
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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.
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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) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@netscape.com>
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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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#ifdef MOZ_LOGGING
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#define FORCE_PR_LOG
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#endif
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#include "nsSocketTransportService2.h"
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#include "nsSocketTransport2.h"
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#include "nsReadableUtils.h"
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#include "nsAutoLock.h"
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#include "nsNetError.h"
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#include "prnetdb.h"
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#include "prlock.h"
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#include "prerror.h"
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#include "plstr.h"
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#include "nsIPrefService.h"
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#include "nsIPrefBranch2.h"
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#include "nsServiceManagerUtils.h"
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#if defined(PR_LOGGING)
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PRLogModuleInfo *gSocketTransportLog = nsnull;
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#endif
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nsSocketTransportService *gSocketTransportService = nsnull;
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PRThread *gSocketThread = nsnull;
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#define SEND_BUFFER_PREF "network.tcp.sendbuffer"
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//-----------------------------------------------------------------------------
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// ctor/dtor (called on the main/UI thread by the service manager)
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nsSocketTransportService::nsSocketTransportService()
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: mThread(nsnull)
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, mThreadEvent(nsnull)
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, mAutodialEnabled(PR_FALSE)
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, mLock(PR_NewLock())
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, mInitialized(PR_FALSE)
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, mShuttingDown(PR_FALSE)
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, mActiveCount(0)
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, mIdleCount(0)
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, mSendBufferSize(0)
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{
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#if defined(PR_LOGGING)
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gSocketTransportLog = PR_NewLogModule("nsSocketTransport");
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#endif
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NS_ASSERTION(NS_IsMainThread(), "wrong thread");
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NS_ASSERTION(!gSocketTransportService, "must not instantiate twice");
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gSocketTransportService = this;
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}
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nsSocketTransportService::~nsSocketTransportService()
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{
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NS_ASSERTION(NS_IsMainThread(), "wrong thread");
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NS_ASSERTION(!mInitialized, "not shutdown properly");
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if (mLock)
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PR_DestroyLock(mLock);
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if (mThreadEvent)
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PR_DestroyPollableEvent(mThreadEvent);
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gSocketTransportService = nsnull;
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}
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//-----------------------------------------------------------------------------
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// event queue (any thread)
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already_AddRefed<nsIThread>
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nsSocketTransportService::GetThreadSafely()
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{
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nsAutoLock lock(mLock);
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nsIThread* result = mThread;
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NS_IF_ADDREF(result);
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return result;
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}
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NS_IMETHODIMP
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nsSocketTransportService::Dispatch(nsIRunnable *event, PRUint32 flags)
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{
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LOG(("STS dispatch [%p]\n", event));
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nsCOMPtr<nsIThread> thread = GetThreadSafely();
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NS_ENSURE_TRUE(thread, NS_ERROR_NOT_INITIALIZED);
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nsresult rv = thread->Dispatch(event, flags);
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if (rv == NS_ERROR_UNEXPECTED) {
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// Thread is no longer accepting events. We must have just shut it
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// down on the main thread. Pretend we never saw it.
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rv = NS_ERROR_NOT_INITIALIZED;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsSocketTransportService::IsOnCurrentThread(PRBool *result)
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{
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nsCOMPtr<nsIThread> thread = GetThreadSafely();
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NS_ENSURE_TRUE(thread, NS_ERROR_NOT_INITIALIZED);
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return thread->IsOnCurrentThread(result);
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}
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//-----------------------------------------------------------------------------
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// socket api (socket thread only)
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NS_IMETHODIMP
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nsSocketTransportService::NotifyWhenCanAttachSocket(nsIRunnable *event)
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{
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LOG(("nsSocketTransportService::NotifyWhenCanAttachSocket\n"));
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NS_ASSERTION(PR_GetCurrentThread() == gSocketThread, "wrong thread");
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if (CanAttachSocket()) {
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return Dispatch(event, NS_DISPATCH_NORMAL);
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}
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mPendingSocketQ.PutEvent(event);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSocketTransportService::AttachSocket(PRFileDesc *fd, nsASocketHandler *handler)
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{
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LOG(("nsSocketTransportService::AttachSocket [handler=%x]\n", handler));
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NS_ASSERTION(PR_GetCurrentThread() == gSocketThread, "wrong thread");
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if (!CanAttachSocket()) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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SocketContext sock;
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sock.mFD = fd;
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sock.mHandler = handler;
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sock.mElapsedTime = 0;
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nsresult rv = AddToIdleList(&sock);
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if (NS_SUCCEEDED(rv))
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NS_ADDREF(handler);
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return rv;
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}
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nsresult
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nsSocketTransportService::DetachSocket(SocketContext *sock)
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{
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LOG(("nsSocketTransportService::DetachSocket [handler=%x]\n", sock->mHandler));
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// inform the handler that this socket is going away
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sock->mHandler->OnSocketDetached(sock->mFD);
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// cleanup
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sock->mFD = nsnull;
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NS_RELEASE(sock->mHandler);
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// find out what list this is on.
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PRUint32 index = sock - mActiveList;
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if (index < NS_SOCKET_MAX_COUNT)
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RemoveFromPollList(sock);
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else
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RemoveFromIdleList(sock);
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// NOTE: sock is now an invalid pointer
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//
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// notify the first element on the pending socket queue...
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//
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nsCOMPtr<nsIRunnable> event;
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if (mPendingSocketQ.GetPendingEvent(getter_AddRefs(event))) {
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// move event from pending queue to dispatch queue
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return Dispatch(event, NS_DISPATCH_NORMAL);
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}
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return NS_OK;
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}
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nsresult
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nsSocketTransportService::AddToPollList(SocketContext *sock)
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{
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LOG(("nsSocketTransportService::AddToPollList [handler=%x]\n", sock->mHandler));
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if (mActiveCount == NS_SOCKET_MAX_COUNT) {
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NS_ERROR("too many active sockets");
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return NS_ERROR_UNEXPECTED;
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}
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mActiveList[mActiveCount] = *sock;
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mActiveCount++;
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mPollList[mActiveCount].fd = sock->mFD;
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mPollList[mActiveCount].in_flags = sock->mHandler->mPollFlags;
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mPollList[mActiveCount].out_flags = 0;
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LOG((" active=%u idle=%u\n", mActiveCount, mIdleCount));
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return NS_OK;
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}
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void
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nsSocketTransportService::RemoveFromPollList(SocketContext *sock)
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{
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LOG(("nsSocketTransportService::RemoveFromPollList [handler=%x]\n", sock->mHandler));
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PRUint32 index = sock - mActiveList;
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NS_ASSERTION(index < NS_SOCKET_MAX_COUNT, "invalid index");
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LOG((" index=%u mActiveCount=%u\n", index, mActiveCount));
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if (index != mActiveCount-1) {
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mActiveList[index] = mActiveList[mActiveCount-1];
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mPollList[index+1] = mPollList[mActiveCount];
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}
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mActiveCount--;
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LOG((" active=%u idle=%u\n", mActiveCount, mIdleCount));
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}
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nsresult
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nsSocketTransportService::AddToIdleList(SocketContext *sock)
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{
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LOG(("nsSocketTransportService::AddToIdleList [handler=%x]\n", sock->mHandler));
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if (mIdleCount == NS_SOCKET_MAX_COUNT) {
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NS_ERROR("too many idle sockets");
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return NS_ERROR_UNEXPECTED;
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}
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mIdleList[mIdleCount] = *sock;
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mIdleCount++;
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LOG((" active=%u idle=%u\n", mActiveCount, mIdleCount));
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return NS_OK;
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}
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void
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nsSocketTransportService::RemoveFromIdleList(SocketContext *sock)
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{
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LOG(("nsSocketTransportService::RemoveFromIdleList [handler=%x]\n", sock->mHandler));
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PRUint32 index = sock - &mIdleList[0];
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NS_ASSERTION(index < NS_SOCKET_MAX_COUNT, "invalid index");
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if (index != mIdleCount-1)
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mIdleList[index] = mIdleList[mIdleCount-1];
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mIdleCount--;
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LOG((" active=%u idle=%u\n", mActiveCount, mIdleCount));
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}
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void
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nsSocketTransportService::MoveToIdleList(SocketContext *sock)
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{
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nsresult rv = AddToIdleList(sock);
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if (NS_FAILED(rv))
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DetachSocket(sock);
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else
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RemoveFromPollList(sock);
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}
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void
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nsSocketTransportService::MoveToPollList(SocketContext *sock)
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{
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nsresult rv = AddToPollList(sock);
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if (NS_FAILED(rv))
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DetachSocket(sock);
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else
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RemoveFromIdleList(sock);
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}
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PRIntervalTime
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nsSocketTransportService::PollTimeout()
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{
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if (mActiveCount == 0)
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return NS_SOCKET_POLL_TIMEOUT;
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// compute minimum time before any socket timeout expires.
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PRUint32 minR = PR_UINT16_MAX;
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for (PRUint32 i=0; i<mActiveCount; ++i) {
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const SocketContext &s = mActiveList[i];
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// mPollTimeout could be less than mElapsedTime if setTimeout
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// was called with a value smaller than mElapsedTime.
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PRUint32 r = (s.mElapsedTime < s.mHandler->mPollTimeout)
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? s.mHandler->mPollTimeout - s.mElapsedTime
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: 0;
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if (r < minR)
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minR = r;
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}
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LOG(("poll timeout: %lu\n", minR));
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return PR_SecondsToInterval(minR);
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}
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PRInt32
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nsSocketTransportService::Poll(PRBool wait, PRUint32 *interval)
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{
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PRPollDesc *pollList;
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PRUint32 pollCount;
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PRIntervalTime pollTimeout;
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if (mPollList[0].fd) {
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mPollList[0].out_flags = 0;
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pollList = mPollList;
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pollCount = mActiveCount + 1;
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pollTimeout = PollTimeout();
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}
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else {
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// no pollable event, so busy wait...
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pollCount = mActiveCount;
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if (pollCount)
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pollList = &mPollList[1];
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else
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pollList = nsnull;
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pollTimeout = PR_MillisecondsToInterval(25);
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}
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if (!wait)
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pollTimeout = PR_INTERVAL_NO_WAIT;
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PRIntervalTime ts = PR_IntervalNow();
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LOG((" timeout = %i milliseconds\n",
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PR_IntervalToMilliseconds(pollTimeout)));
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PRInt32 rv = PR_Poll(pollList, pollCount, pollTimeout);
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PRIntervalTime passedInterval = PR_IntervalNow() - ts;
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LOG((" ...returned after %i milliseconds\n",
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PR_IntervalToMilliseconds(passedInterval)));
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*interval = PR_IntervalToSeconds(passedInterval);
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return rv;
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}
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//-----------------------------------------------------------------------------
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// xpcom api
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NS_IMPL_THREADSAFE_ISUPPORTS6(nsSocketTransportService,
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nsISocketTransportService,
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nsIEventTarget,
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nsIThreadObserver,
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nsIRunnable,
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nsPISocketTransportService,
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nsIObserver)
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// called from main thread only
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NS_IMETHODIMP
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nsSocketTransportService::Init()
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{
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NS_ENSURE_TRUE(mLock, NS_ERROR_OUT_OF_MEMORY);
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if (!NS_IsMainThread()) {
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NS_ERROR("wrong thread");
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return NS_ERROR_UNEXPECTED;
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}
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if (mInitialized)
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return NS_OK;
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if (mShuttingDown)
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return NS_ERROR_UNEXPECTED;
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if (!mThreadEvent) {
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mThreadEvent = PR_NewPollableEvent();
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//
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// NOTE: per bug 190000, this failure could be caused by Zone-Alarm
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// or similar software.
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//
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// NOTE: per bug 191739, this failure could also be caused by lack
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// of a loopback device on Windows and OS/2 platforms (NSPR creates
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// a loopback socket pair on these platforms to implement a pollable
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// event object). if we can't create a pollable event, then we'll
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// have to "busy wait" to implement the socket event queue :-(
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//
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if (!mThreadEvent) {
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NS_WARNING("running socket transport thread without a pollable event");
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LOG(("running socket transport thread without a pollable event"));
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}
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}
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nsCOMPtr<nsIThread> thread;
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nsresult rv = NS_NewThread(getter_AddRefs(thread), this);
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if (NS_FAILED(rv)) return rv;
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{
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nsAutoLock lock(mLock);
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// Install our mThread, protecting against concurrent readers
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thread.swap(mThread);
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}
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nsCOMPtr<nsIPrefBranch2> tmpPrefService = do_GetService(NS_PREFSERVICE_CONTRACTID);
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if (tmpPrefService)
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tmpPrefService->AddObserver(SEND_BUFFER_PREF, this, PR_FALSE);
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UpdatePrefs();
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mInitialized = PR_TRUE;
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return NS_OK;
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}
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// called from main thread only
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NS_IMETHODIMP
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nsSocketTransportService::Shutdown()
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{
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LOG(("nsSocketTransportService::Shutdown\n"));
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NS_ENSURE_STATE(NS_IsMainThread());
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if (!mInitialized)
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return NS_OK;
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if (mShuttingDown)
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return NS_ERROR_UNEXPECTED;
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{
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nsAutoLock lock(mLock);
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// signal the socket thread to shutdown
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mShuttingDown = PR_TRUE;
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if (mThreadEvent)
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PR_SetPollableEvent(mThreadEvent);
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// else wait for Poll timeout
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}
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// join with thread
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mThread->Shutdown();
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{
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nsAutoLock lock(mLock);
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// Drop our reference to mThread and make sure that any concurrent
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// readers are excluded
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mThread = nsnull;
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}
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nsCOMPtr<nsIPrefBranch2> tmpPrefService = do_GetService(NS_PREFSERVICE_CONTRACTID);
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if (tmpPrefService)
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tmpPrefService->RemoveObserver(SEND_BUFFER_PREF, this);
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mInitialized = PR_FALSE;
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mShuttingDown = PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSocketTransportService::CreateTransport(const char **types,
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PRUint32 typeCount,
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const nsACString &host,
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PRInt32 port,
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nsIProxyInfo *proxyInfo,
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nsISocketTransport **result)
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{
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NS_ENSURE_TRUE(mInitialized, NS_ERROR_OFFLINE);
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NS_ENSURE_TRUE(port >= 0 && port <= 0xFFFF, NS_ERROR_ILLEGAL_VALUE);
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nsSocketTransport *trans = new nsSocketTransport();
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if (!trans)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(trans);
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nsresult rv = trans->Init(types, typeCount, host, port, proxyInfo);
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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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nsSocketTransportService::GetAutodialEnabled(PRBool *value)
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{
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*value = mAutodialEnabled;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSocketTransportService::SetAutodialEnabled(PRBool value)
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{
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mAutodialEnabled = value;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSocketTransportService::OnDispatchedEvent(nsIThreadInternal *thread)
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{
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nsAutoLock lock(mLock);
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if (mThreadEvent)
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PR_SetPollableEvent(mThreadEvent);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSocketTransportService::OnProcessNextEvent(nsIThreadInternal *thread,
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PRBool mayWait, PRUint32 depth)
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{
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// DoPollIteration doesn't support being called recursively. This case
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// should only happen when someone (e.g., PSM) is issuing a synchronous
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// proxy call from this thread to the main thread.
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if (depth > 1)
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return NS_OK;
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// Favor processing existing sockets before other events.
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DoPollIteration(PR_FALSE);
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PRBool val;
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while (mayWait && NS_SUCCEEDED(thread->HasPendingEvents(&val)) && !val)
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DoPollIteration(PR_TRUE);
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return NS_OK;
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}
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NS_IMETHODIMP
|
|
nsSocketTransportService::AfterProcessNextEvent(nsIThreadInternal* thread,
|
|
PRUint32 depth)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsSocketTransportService::Run()
|
|
{
|
|
LOG(("STS thread init\n"));
|
|
|
|
gSocketThread = PR_GetCurrentThread();
|
|
|
|
// add thread event to poll list (mThreadEvent may be NULL)
|
|
mPollList[0].fd = mThreadEvent;
|
|
mPollList[0].in_flags = PR_POLL_READ;
|
|
mPollList[0].out_flags = 0;
|
|
|
|
nsIThread *thread = NS_GetCurrentThread();
|
|
|
|
// hook ourselves up to observe event processing for this thread
|
|
nsCOMPtr<nsIThreadInternal> threadInt = do_QueryInterface(thread);
|
|
threadInt->SetObserver(this);
|
|
|
|
for (;;) {
|
|
// process all pending events
|
|
NS_ProcessPendingEvents(thread);
|
|
|
|
// now that our event queue is empty, check to see if we should exit
|
|
{
|
|
nsAutoLock lock(mLock);
|
|
if (mShuttingDown)
|
|
break;
|
|
}
|
|
|
|
// wait for and process the next pending event
|
|
NS_ProcessNextEvent(thread);
|
|
}
|
|
|
|
LOG(("STS shutting down thread\n"));
|
|
|
|
// detach any sockets
|
|
PRInt32 i;
|
|
for (i=mActiveCount-1; i>=0; --i)
|
|
DetachSocket(&mActiveList[i]);
|
|
for (i=mIdleCount-1; i>=0; --i)
|
|
DetachSocket(&mIdleList[i]);
|
|
|
|
// Final pass over the event queue. This makes sure that events posted by
|
|
// socket detach handlers get processed.
|
|
NS_ProcessPendingEvents(thread);
|
|
|
|
gSocketThread = nsnull;
|
|
|
|
LOG(("STS thread exit\n"));
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsSocketTransportService::DoPollIteration(PRBool wait)
|
|
{
|
|
LOG(("STS poll iter [%d]\n", wait));
|
|
|
|
PRInt32 i, count;
|
|
|
|
//
|
|
// poll loop
|
|
//
|
|
PRBool pollError = PR_FALSE;
|
|
|
|
//
|
|
// walk active list backwards to see if any sockets should actually be
|
|
// idle, then walk the idle list backwards to see if any idle sockets
|
|
// should become active. take care to check only idle sockets that
|
|
// were idle to begin with ;-)
|
|
//
|
|
count = mIdleCount;
|
|
for (i=mActiveCount-1; i>=0; --i) {
|
|
//---
|
|
LOG((" active [%u] { handler=%x condition=%x pollflags=%hu }\n", i,
|
|
mActiveList[i].mHandler,
|
|
mActiveList[i].mHandler->mCondition,
|
|
mActiveList[i].mHandler->mPollFlags));
|
|
//---
|
|
if (NS_FAILED(mActiveList[i].mHandler->mCondition))
|
|
DetachSocket(&mActiveList[i]);
|
|
else {
|
|
PRUint16 in_flags = mActiveList[i].mHandler->mPollFlags;
|
|
if (in_flags == 0)
|
|
MoveToIdleList(&mActiveList[i]);
|
|
else {
|
|
// update poll flags
|
|
mPollList[i+1].in_flags = in_flags;
|
|
mPollList[i+1].out_flags = 0;
|
|
}
|
|
}
|
|
}
|
|
for (i=count-1; i>=0; --i) {
|
|
//---
|
|
LOG((" idle [%u] { handler=%x condition=%x pollflags=%hu }\n", i,
|
|
mIdleList[i].mHandler,
|
|
mIdleList[i].mHandler->mCondition,
|
|
mIdleList[i].mHandler->mPollFlags));
|
|
//---
|
|
if (NS_FAILED(mIdleList[i].mHandler->mCondition))
|
|
DetachSocket(&mIdleList[i]);
|
|
else if (mIdleList[i].mHandler->mPollFlags != 0)
|
|
MoveToPollList(&mIdleList[i]);
|
|
}
|
|
|
|
LOG((" calling PR_Poll [active=%u idle=%u]\n", mActiveCount, mIdleCount));
|
|
|
|
// Measures seconds spent while blocked on PR_Poll
|
|
PRUint32 pollInterval;
|
|
|
|
PRInt32 n = Poll(wait, &pollInterval);
|
|
if (n < 0) {
|
|
LOG((" PR_Poll error [%d]\n", PR_GetError()));
|
|
pollError = PR_TRUE;
|
|
}
|
|
else {
|
|
//
|
|
// service "active" sockets...
|
|
//
|
|
for (i=0; i<PRInt32(mActiveCount); ++i) {
|
|
PRPollDesc &desc = mPollList[i+1];
|
|
SocketContext &s = mActiveList[i];
|
|
if (n > 0 && desc.out_flags != 0) {
|
|
s.mElapsedTime = 0;
|
|
s.mHandler->OnSocketReady(desc.fd, desc.out_flags);
|
|
}
|
|
// check for timeout errors unless disabled...
|
|
else if (s.mHandler->mPollTimeout != PR_UINT16_MAX) {
|
|
// update elapsed time counter
|
|
if (NS_UNLIKELY(pollInterval > (PR_UINT16_MAX - s.mElapsedTime)))
|
|
s.mElapsedTime = PR_UINT16_MAX;
|
|
else
|
|
s.mElapsedTime += PRUint16(pollInterval);
|
|
// check for timeout expiration
|
|
if (s.mElapsedTime >= s.mHandler->mPollTimeout) {
|
|
s.mElapsedTime = 0;
|
|
s.mHandler->OnSocketReady(desc.fd, -1);
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// check for "dead" sockets and remove them (need to do this in
|
|
// reverse order obviously).
|
|
//
|
|
for (i=mActiveCount-1; i>=0; --i) {
|
|
if (NS_FAILED(mActiveList[i].mHandler->mCondition))
|
|
DetachSocket(&mActiveList[i]);
|
|
}
|
|
|
|
if (n != 0 && mPollList[0].out_flags == PR_POLL_READ) {
|
|
// acknowledge pollable event (wait should not block)
|
|
if (PR_WaitForPollableEvent(mThreadEvent) != PR_SUCCESS) {
|
|
// On Windows, the TCP loopback connection in the
|
|
// pollable event may become broken when a laptop
|
|
// switches between wired and wireless networks or
|
|
// wakes up from hibernation. We try to create a
|
|
// new pollable event. If that fails, we fall back
|
|
// on "busy wait".
|
|
{
|
|
nsAutoLock lock(mLock);
|
|
PR_DestroyPollableEvent(mThreadEvent);
|
|
mThreadEvent = PR_NewPollableEvent();
|
|
}
|
|
if (!mThreadEvent) {
|
|
NS_WARNING("running socket transport thread without "
|
|
"a pollable event");
|
|
LOG(("running socket transport thread without "
|
|
"a pollable event"));
|
|
}
|
|
mPollList[0].fd = mThreadEvent;
|
|
// mPollList[0].in_flags was already set to PR_POLL_READ
|
|
// in Run().
|
|
mPollList[0].out_flags = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsSocketTransportService::UpdatePrefs()
|
|
{
|
|
mSendBufferSize = 0;
|
|
|
|
nsCOMPtr<nsIPrefBranch2> tmpPrefService = do_GetService(NS_PREFSERVICE_CONTRACTID);
|
|
if (tmpPrefService) {
|
|
PRInt32 bufferSize;
|
|
nsresult rv = tmpPrefService->GetIntPref(SEND_BUFFER_PREF, &bufferSize);
|
|
if (NS_SUCCEEDED(rv) && bufferSize > 0)
|
|
mSendBufferSize = bufferSize;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsSocketTransportService::Observe(nsISupports *subject,
|
|
const char *topic,
|
|
const PRUnichar *data)
|
|
{
|
|
if (!strcmp(topic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID)) {
|
|
UpdatePrefs();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsSocketTransportService::GetSendBufferSize(PRInt32 *value)
|
|
{
|
|
*value = mSendBufferSize;
|
|
return NS_OK;
|
|
}
|
|
|
|
|