gecko-dev/netwerk/protocol/gio/GIOChannelChild.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=4 sw=2 sts=2 et tw=80: */
/* 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/. */
#ifndef NS_GIOCHANNELCHILD_H
#define NS_GIOCHANNELCHILD_H
#include "mozilla/net/PGIOChannelChild.h"
#include "mozilla/net/ChannelEventQueue.h"
#include "nsBaseChannel.h"
#include "nsIUploadChannel.h"
#include "nsIProxiedChannel.h"
#include "nsIResumableChannel.h"
#include "nsIChildChannel.h"
#include "nsIEventTarget.h"
#include "nsIStreamListener.h"
class nsIEventTarget;
namespace mozilla {
namespace net {
class GIOChannelChild final : public PGIOChannelChild,
public nsBaseChannel,
public nsIChildChannel {
public:
using nsIStreamListener = ::nsIStreamListener;
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSICHILDCHANNEL
NS_IMETHOD Cancel(nsresult aStatus) override;
NS_IMETHOD Suspend() override;
NS_IMETHOD Resume() override;
explicit GIOChannelChild(nsIURI* uri);
void AddIPDLReference();
void ReleaseIPDLReference();
NS_IMETHOD AsyncOpen(nsIStreamListener* aListener) override;
// Note that we handle this ourselves, overriding the nsBaseChannel
// default behavior, in order to be e10s-friendly.
NS_IMETHOD IsPending(bool* aResult) override;
nsresult OpenContentStream(bool aAsync, nsIInputStream** aStream,
nsIChannel** aChannel) override;
bool IsSuspended() const;
protected:
virtual ~GIOChannelChild() = default;
mozilla::ipc::IPCResult RecvOnStartRequest(const nsresult& aChannelStatus,
const int64_t& aContentLength,
const nsCString& aContentType,
const nsCString& aEntityID,
const URIParams& aURI) override;
mozilla::ipc::IPCResult RecvOnDataAvailable(const nsresult& aChannelStatus,
const nsCString& aData,
const uint64_t& aOffset,
const uint32_t& aCount) override;
mozilla::ipc::IPCResult RecvOnStopRequest(
const nsresult& aChannelStatus) override;
mozilla::ipc::IPCResult RecvFailedAsyncOpen(
const nsresult& aStatusCode) override;
mozilla::ipc::IPCResult RecvDeleteSelf() override;
void DoOnStartRequest(const nsresult& aChannelStatus,
const int64_t& aContentLength,
const nsCString& aContentType,
const nsCString& aEntityID, const URIParams& aURI);
void DoOnDataAvailable(const nsresult& aChannelStatus, const nsCString& aData,
const uint64_t& aOffset, const uint32_t& aCount);
void DoOnStopRequest(const nsresult& aChannelStatus);
void DoFailedAsyncOpen(const nsresult& aStatusCode);
void DoDeleteSelf();
void SetupNeckoTarget() override;
friend class NeckoTargetChannelFunctionEvent;
private:
nsCOMPtr<nsIInputStream> mUploadStream;
bool mIPCOpen;
const RefPtr<ChannelEventQueue> mEventQ;
bool mCanceled = false;
uint32_t mSuspendCount;
bool mIsPending = false;
uint64_t mStartPos;
nsCString mEntityID;
// Set if SendSuspend is called. Determines if SendResume is needed when
// diverting callbacks to parent.
bool mSuspendSent;
};
inline bool GIOChannelChild::IsSuspended() const { return mSuspendCount != 0; }
} // namespace net
} // namespace mozilla
#endif /* NS_GIOCHANNELCHILD_H */