SSL nsInputStreamPump.h
Interaktion und PortierbarkeitC
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
class nsInputStreamPump final : public nsIInputStreamPump, public nsIInputStreamCallback, public nsIThreadRetargetableRequest {
~nsInputStreamPump() = default;
public: using RecursiveMutexAutoLock = mozilla::RecursiveMutexAutoLock; using RecursiveMutexAutoUnlock = mozilla::RecursiveMutexAutoUnlock;
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIREQUEST
NS_DECL_NSIINPUTSTREAMPUMP
NS_DECL_NSIINPUTSTREAMCALLBACK
NS_DECL_NSITHREADRETARGETABLEREQUEST
NS_DECLARE_STATIC_IID_ACCESSOR(NS_INPUT_STREAM_PUMP_IID)
using PeekSegmentFun = void (*)(void*, const uint8_t*, uint32_t); /** * Peek into the first chunk of data that's in the stream. Note that this * method will not call the callback when there is no data in the stream. * The callback will be called at most once. * * The data from the stream will not be consumed, i.e. the pump's listener * can still read all the data * * Do not call before asyncRead. Do not call after onStopRequest.
*/
nsresult PeekStream(PeekSegmentFun callback, void* closure);
/** * Dispatched (to the main thread) by OnStateStop if it's called off main * thread. Updates mState based on return value of OnStateStop.
*/
nsresult CallOnStateStop();
// This should optimize away in non-DEBUG builds
MOZ_ALWAYS_INLINE void AssertOnThread() const MOZ_REQUIRES(mMutex) { if (mOffMainThread) {
MOZ_ASSERT(mTargetThread->IsOnCurrentThread());
} else {
MOZ_ASSERT(NS_IsMainThread());
}
}
uint32_t mState MOZ_GUARDED_BY(mMutex){STATE_IDLE};
nsCOMPtr<nsILoadGroup> mLoadGroup MOZ_GUARDED_BY(mMutex); // mListener is written on a single thread (either MainThread or an // off-MainThread thread), read from that thread and perhaps others (in // RetargetDeliveryTo)
nsCOMPtr<nsIStreamListener> mListener MOZ_GUARDED_BY(mMutex);
nsCOMPtr<nsISerialEventTarget> mTargetThread MOZ_GUARDED_BY(mMutex);
nsCOMPtr<nsISerialEventTarget> mLabeledMainThreadTarget
MOZ_GUARDED_BY(mMutex);
nsCOMPtr<nsIInputStream> mStream MOZ_GUARDED_BY(mMutex); // mAsyncStream is written on a single thread (either MainThread or an // off-MainThread thread), and lives from AsyncRead() to OnStateStop().
nsCOMPtr<nsIAsyncInputStream> mAsyncStream MOZ_GUARDED_BY(mMutex);
uint64_t mStreamOffset MOZ_GUARDED_BY(mMutex){0};
uint64_t mStreamLength MOZ_GUARDED_BY(mMutex){0};
uint32_t mSegSize MOZ_GUARDED_BY(mMutex){0};
uint32_t mSegCount MOZ_GUARDED_BY(mMutex){0};
nsresult mStatus MOZ_GUARDED_BY(mMutex){NS_OK};
uint32_t mSuspendCount MOZ_GUARDED_BY(mMutex){0};
uint32_t mLoadFlags MOZ_GUARDED_BY(mMutex){LOAD_NORMAL}; bool mIsPending MOZ_GUARDED_BY(mMutex){false}; // True while in OnInputStreamReady, calling OnStateStart, OnStateTransfer // and OnStateStop. Used to prevent calls to AsyncWait during callbacks. bool mProcessingCallbacks MOZ_GUARDED_BY(mMutex){false}; // True if waiting on the "input stream ready" callback. bool mWaitingForInputStreamReady MOZ_GUARDED_BY(mMutex){false}; bool mCloseWhenDone MOZ_GUARDED_BY(mMutex){false}; bool mRetargeting MOZ_GUARDED_BY(mMutex){false}; bool mAsyncStreamIsBuffered MOZ_GUARDED_BY(mMutex){false}; // Indicate whether nsInputStreamPump is used completely off main thread. // If true, OnStateStop() is executed off main thread. Set at creation. constbool mOffMainThread; // Protects state/member var accesses across multiple threads.
mozilla::RecursiveMutex mMutex{"nsInputStreamPump"};
};
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung ist noch experimentell.
