Macintosh-SW
/
tenfourfox
mirror of https://github.com/classilla/tenfourfox.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
tenfourfox/netwerk/protocol/http/HttpBaseChannel.h

600 lines
24 KiB
C++
Raw Blame History

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 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 mozilla_net_HttpBaseChannel_h
#define mozilla_net_HttpBaseChannel_h
#include "nsHttp.h"
#include "nsAutoPtr.h"
#include "nsHashPropertyBag.h"
#include "nsProxyInfo.h"
#include "nsHttpRequestHead.h"
#include "nsHttpResponseHead.h"
#include "nsHttpConnectionInfo.h"
#include "nsIConsoleReportCollector.h"
#include "nsIEncodedChannel.h"
#include "nsIHttpChannel.h"
#include "nsHttpHandler.h"
#include "nsIHttpChannelInternal.h"
#include "nsIForcePendingChannel.h"
#include "nsIUploadChannel.h"
#include "nsIUploadChannel2.h"
#include "nsIProgressEventSink.h"
#include "nsIURI.h"
#include "nsIEffectiveTLDService.h"
#include "nsIStringEnumerator.h"
#include "nsISupportsPriority.h"
#include "nsIClassOfService.h"
#include "nsIApplicationCache.h"
#include "nsIResumableChannel.h"
#include "nsITraceableChannel.h"
#include "nsILoadContext.h"
#include "nsILoadInfo.h"
#include "mozilla/net/NeckoCommon.h"
#include "nsThreadUtils.h"
#include "PrivateBrowsingChannel.h"
#include "mozilla/net/DNS.h"
#include "nsITimedChannel.h"
#include "nsIHttpChannel.h"
#include "nsISecurityConsoleMessage.h"
#include "nsCOMArray.h"
class nsPerformance;
class nsISecurityConsoleMessage;
class nsIPrincipal;
#define HTTP_BASE_CHANNEL_IID \
{ 0x9d5cde03, 0xe6e9, 0x4612, \
{ 0xbf, 0xef, 0xbb, 0x66, 0xf3, 0xbb, 0x74, 0x46 } }
namespace mozilla {
class LogCollector;
namespace net {
extern mozilla::LazyLogModule gHttpLog;
/*
* This class is a partial implementation of nsIHttpChannel. It contains code
* shared by nsHttpChannel and HttpChannelChild.
* - Note that this class has nothing to do with nsBaseChannel, which is an
* earlier effort at a base class for channels that somehow never made it all
* the way to the HTTP channel.
*/
class HttpBaseChannel : public nsHashPropertyBag
, public nsIEncodedChannel
, public nsIHttpChannel
, public nsIHttpChannelInternal
, public nsIUploadChannel
, public nsIUploadChannel2
, public nsISupportsPriority
, public nsIClassOfService
, public nsIResumableChannel
, public nsITraceableChannel
, public PrivateBrowsingChannel<HttpBaseChannel>
, public nsITimedChannel
, public nsIForcePendingChannel
, public nsIConsoleReportCollector
{
protected:
virtual ~HttpBaseChannel();
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIUPLOADCHANNEL
NS_DECL_NSIUPLOADCHANNEL2
NS_DECL_NSITRACEABLECHANNEL
NS_DECL_NSITIMEDCHANNEL
NS_DECLARE_STATIC_IID_ACCESSOR(HTTP_BASE_CHANNEL_IID)
HttpBaseChannel();
virtual nsresult Init(nsIURI *aURI, uint32_t aCaps, nsProxyInfo *aProxyInfo,
uint32_t aProxyResolveFlags,
nsIURI *aProxyURI);
// nsIRequest
NS_IMETHOD GetName(nsACString& aName) override;
NS_IMETHOD IsPending(bool *aIsPending) override;
NS_IMETHOD GetStatus(nsresult *aStatus) override;
NS_IMETHOD GetLoadGroup(nsILoadGroup **aLoadGroup) override;
NS_IMETHOD SetLoadGroup(nsILoadGroup *aLoadGroup) override;
NS_IMETHOD GetLoadFlags(nsLoadFlags *aLoadFlags) override;
NS_IMETHOD SetLoadFlags(nsLoadFlags aLoadFlags) override;
// nsIChannel
NS_IMETHOD GetOriginalURI(nsIURI **aOriginalURI) override;
NS_IMETHOD SetOriginalURI(nsIURI *aOriginalURI) override;
NS_IMETHOD GetURI(nsIURI **aURI) override;
NS_IMETHOD GetOwner(nsISupports **aOwner) override;
NS_IMETHOD SetOwner(nsISupports *aOwner) override;
NS_IMETHOD GetLoadInfo(nsILoadInfo **aLoadInfo) override;
NS_IMETHOD SetLoadInfo(nsILoadInfo *aLoadInfo) override;
NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor **aCallbacks) override;
NS_IMETHOD SetNotificationCallbacks(nsIInterfaceRequestor *aCallbacks) override;
NS_IMETHOD GetContentType(nsACString& aContentType) override;
NS_IMETHOD SetContentType(const nsACString& aContentType) override;
NS_IMETHOD GetContentCharset(nsACString& aContentCharset) override;
NS_IMETHOD SetContentCharset(const nsACString& aContentCharset) override;
NS_IMETHOD GetContentDisposition(uint32_t *aContentDisposition) override;
NS_IMETHOD SetContentDisposition(uint32_t aContentDisposition) override;
NS_IMETHOD GetContentDispositionFilename(nsAString& aContentDispositionFilename) override;
NS_IMETHOD SetContentDispositionFilename(const nsAString& aContentDispositionFilename) override;
NS_IMETHOD GetContentDispositionHeader(nsACString& aContentDispositionHeader) override;
NS_IMETHOD GetContentLength(int64_t *aContentLength) override;
NS_IMETHOD SetContentLength(int64_t aContentLength) override;
NS_IMETHOD Open(nsIInputStream **aResult) override;
NS_IMETHOD Open2(nsIInputStream **aResult) override;
// nsIEncodedChannel
NS_IMETHOD GetApplyConversion(bool *value) override;
NS_IMETHOD SetApplyConversion(bool value) override;
NS_IMETHOD GetContentEncodings(nsIUTF8StringEnumerator** aEncodings) override;
NS_IMETHOD DoApplyContentConversions(nsIStreamListener *aNextListener,
nsIStreamListener **aNewNextListener,
nsISupports *aCtxt) override;
// HttpBaseChannel::nsIHttpChannel
NS_IMETHOD GetRequestMethod(nsACString& aMethod) override;
NS_IMETHOD SetRequestMethod(const nsACString& aMethod) override;
NS_IMETHOD GetReferrer(nsIURI **referrer) override;
NS_IMETHOD SetReferrer(nsIURI *referrer) override;
NS_IMETHOD GetReferrerPolicy(uint32_t *referrerPolicy) override;
NS_IMETHOD SetReferrerWithPolicy(nsIURI *referrer, uint32_t referrerPolicy) override;
NS_IMETHOD GetRequestHeader(const nsACString& aHeader, nsACString& aValue) override;
NS_IMETHOD SetRequestHeader(const nsACString& aHeader,
const nsACString& aValue, bool aMerge) override;
NS_IMETHOD SetEmptyRequestHeader(const nsACString& aHeader) override;
NS_IMETHOD VisitRequestHeaders(nsIHttpHeaderVisitor *visitor) override;
NS_IMETHOD VisitNonDefaultRequestHeaders(nsIHttpHeaderVisitor *visitor) override;
NS_IMETHOD GetResponseHeader(const nsACString &header, nsACString &value) override;
NS_IMETHOD SetResponseHeader(const nsACString& header,
const nsACString& value, bool merge) override;
NS_IMETHOD VisitResponseHeaders(nsIHttpHeaderVisitor *visitor) override;
NS_IMETHOD GetAllowPipelining(bool *value) override;
NS_IMETHOD SetAllowPipelining(bool value) override;
NS_IMETHOD GetAllowSTS(bool *value) override;
NS_IMETHOD SetAllowSTS(bool value) override;
NS_IMETHOD GetRedirectionLimit(uint32_t *value) override;
NS_IMETHOD SetRedirectionLimit(uint32_t value) override;
NS_IMETHOD IsNoStoreResponse(bool *value) override;
NS_IMETHOD IsNoCacheResponse(bool *value) override;
NS_IMETHOD IsPrivateResponse(bool *value) override;
NS_IMETHOD GetResponseStatus(uint32_t *aValue) override;
NS_IMETHOD GetResponseStatusText(nsACString& aValue) override;
NS_IMETHOD GetRequestSucceeded(bool *aValue) override;
NS_IMETHOD RedirectTo(nsIURI *newURI) override;
NS_IMETHOD GetSchedulingContextID(nsID *aSCID) override;
NS_IMETHOD GetTransferSize(uint64_t *aTransferSize) override;
NS_IMETHOD GetDecodedBodySize(uint64_t *aDecodedBodySize) override;
NS_IMETHOD GetEncodedBodySize(uint64_t *aEncodedBodySize) override;
NS_IMETHOD SetSchedulingContextID(const nsID aSCID) override;
NS_IMETHOD GetIsMainDocumentChannel(bool* aValue) override;
NS_IMETHOD SetIsMainDocumentChannel(bool aValue) override;
NS_IMETHOD GetProtocolVersion(nsACString & aProtocolVersion) override;
NS_IMETHOD GetTopLevelContentWindowId(uint64_t *aContentWindowId) override;
NS_IMETHOD SetTopLevelContentWindowId(uint64_t aContentWindowId) override;
// nsIHttpChannelInternal
NS_IMETHOD GetDocumentURI(nsIURI **aDocumentURI) override;
NS_IMETHOD SetDocumentURI(nsIURI *aDocumentURI) override;
NS_IMETHOD GetRequestVersion(uint32_t *major, uint32_t *minor) override;
NS_IMETHOD GetResponseVersion(uint32_t *major, uint32_t *minor) override;
NS_IMETHOD SetCookie(const char *aCookieHeader) override;
NS_IMETHOD GetThirdPartyFlags(uint32_t *aForce) override;
NS_IMETHOD SetThirdPartyFlags(uint32_t aForce) override;
NS_IMETHOD GetForceAllowThirdPartyCookie(bool *aForce) override;
NS_IMETHOD SetForceAllowThirdPartyCookie(bool aForce) override;
NS_IMETHOD GetCanceled(bool *aCanceled) override;
NS_IMETHOD GetChannelIsForDownload(bool *aChannelIsForDownload) override;
NS_IMETHOD SetChannelIsForDownload(bool aChannelIsForDownload) override;
NS_IMETHOD SetCacheKeysRedirectChain(nsTArray<nsCString> *cacheKeys) override;
NS_IMETHOD GetLocalAddress(nsACString& addr) override;
NS_IMETHOD GetLocalPort(int32_t* port) override;
NS_IMETHOD GetRemoteAddress(nsACString& addr) override;
NS_IMETHOD GetRemotePort(int32_t* port) override;
NS_IMETHOD GetAllowSpdy(bool *aAllowSpdy) override;
NS_IMETHOD SetAllowSpdy(bool aAllowSpdy) override;
NS_IMETHOD GetAllowAltSvc(bool *aAllowAltSvc) override;
NS_IMETHOD SetAllowAltSvc(bool aAllowAltSvc) override;
NS_IMETHOD GetApiRedirectToURI(nsIURI * *aApiRedirectToURI) override;
virtual nsresult AddSecurityMessage(const nsAString &aMessageTag, const nsAString &aMessageCategory);
NS_IMETHOD TakeAllSecurityMessages(nsCOMArray<nsISecurityConsoleMessage> &aMessages) override;
NS_IMETHOD GetResponseTimeoutEnabled(bool *aEnable) override;
NS_IMETHOD SetResponseTimeoutEnabled(bool aEnable) override;
NS_IMETHOD GetInitialRwin(uint32_t* aRwin) override;
NS_IMETHOD SetInitialRwin(uint32_t aRwin) override;
NS_IMETHOD GetNetworkInterfaceId(nsACString& aNetworkInterfaceId) override;
NS_IMETHOD SetNetworkInterfaceId(const nsACString& aNetworkInterfaceId) override;
NS_IMETHOD ForcePending(bool aForcePending) override;
NS_IMETHOD GetLastModifiedTime(PRTime* lastModifiedTime) override;
NS_IMETHOD GetCorsIncludeCredentials(bool* aInclude) override;
NS_IMETHOD SetCorsIncludeCredentials(bool aInclude) override;
NS_IMETHOD GetCorsMode(uint32_t* aCorsMode) override;
NS_IMETHOD SetCorsMode(uint32_t aCorsMode) override;
NS_IMETHOD GetRedirectMode(uint32_t* aRedirectMode) override;
NS_IMETHOD SetRedirectMode(uint32_t aRedirectMode) override;
NS_IMETHOD GetTopWindowURI(nsIURI **aTopWindowURI) override;
NS_IMETHOD GetProxyURI(nsIURI **proxyURI) override;
virtual void SetCorsPreflightParameters(const nsTArray<nsCString>& unsafeHeaders) override;
inline void CleanRedirectCacheChainIfNecessary()
{
mRedirectedCachekeys = nullptr;
}
NS_IMETHOD HTTPUpgrade(const nsACString & aProtocolName,
nsIHttpUpgradeListener *aListener) override;
// nsISupportsPriority
NS_IMETHOD GetPriority(int32_t *value) override;
NS_IMETHOD AdjustPriority(int32_t delta) override;
// nsIClassOfService
NS_IMETHOD GetClassFlags(uint32_t *outFlags) override { *outFlags = mClassOfService; return NS_OK; }
// nsIResumableChannel
NS_IMETHOD GetEntityID(nsACString& aEntityID) override;
// nsIConsoleReportCollector
void
AddConsoleReport(uint32_t aErrorFlags, const nsACString& aCategory,
nsContentUtils::PropertiesFile aPropertiesFile,
const nsACString& aSourceFileURI,
uint32_t aLineNumber, uint32_t aColumnNumber,
const nsACString& aMessageName,
const nsTArray<nsString>& aStringParams) override;
void
FlushConsoleReports(nsIDocument* aDocument) override;
void
FlushConsoleReports(nsIConsoleReportCollector* aCollector) override;
class nsContentEncodings : public nsIUTF8StringEnumerator
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIUTF8STRINGENUMERATOR
nsContentEncodings(nsIHttpChannel* aChannel, const char* aEncodingHeader);
private:
virtual ~nsContentEncodings();
nsresult PrepareForNext(void);
// We do not own the buffer. The channel owns it.
const char* mEncodingHeader;
const char* mCurStart; // points to start of current header
const char* mCurEnd; // points to end of current header
// Hold a ref to our channel so that it can't go away and take the
// header with it.
nsCOMPtr<nsIHttpChannel> mChannel;
bool mReady;
};
nsHttpResponseHead * GetResponseHead() const { return mResponseHead; }
nsHttpRequestHead * GetRequestHead() { return &mRequestHead; }
const NetAddr& GetSelfAddr() { return mSelfAddr; }
const NetAddr& GetPeerAddr() { return mPeerAddr; }
nsresult OverrideSecurityInfo(nsISupports* aSecurityInfo);
public: /* Necko internal use only... */
bool IsNavigation();
// Return whether upon a redirect code of httpStatus for method, the
// request method should be rewritten to GET.
static bool ShouldRewriteRedirectToGET(uint32_t httpStatus,
nsHttpRequestHead::ParsedMethodType method);
// Like nsIEncodedChannel::DoApplyConversions except context is set to
// mListenerContext.
nsresult DoApplyContentConversions(nsIStreamListener *aNextListener,
nsIStreamListener **aNewNextListener);
// Callback on main thread when NS_AsyncCopy() is finished populating
// the new mUploadStream.
void EnsureUploadStreamIsCloneableComplete(nsresult aStatus);
protected:
nsCOMArray<nsISecurityConsoleMessage> mSecurityConsoleMessages;
// Handle notifying listener, removing from loadgroup if request failed.
void DoNotifyListener();
virtual void DoNotifyListenerCleanup() = 0;
// drop reference to listener, its callbacks, and the progress sink
void ReleaseListeners();
nsPerformance* GetPerformance();
void AddCookiesToRequest();
virtual nsresult SetupReplacementChannel(nsIURI *,
nsIChannel *,
bool preserveMethod,
uint32_t redirectFlags);
// bundle calling OMR observers and marking flag into one function
inline void CallOnModifyRequestObservers() {
gHttpHandler->OnModifyRequest(this);
mRequestObserversCalled = true;
}
// Helper function to simplify getting notification callbacks.
template <class T>
void GetCallback(nsCOMPtr<T> &aResult)
{
NS_QueryNotificationCallbacks(mCallbacks, mLoadGroup,
NS_GET_TEMPLATE_IID(T),
getter_AddRefs(aResult));
}
// Redirect tracking
// Checks whether or not aURI and mOriginalURI share the same domain.
bool SameOriginWithOriginalUri(nsIURI *aURI);
// GetPrincipal Returns the channel's URI principal.
nsIPrincipal *GetURIPrincipal();
bool BypassServiceWorker() const;
// Returns true if this channel should intercept the network request and prepare
// for a possible synthesized response instead.
bool ShouldIntercept();
friend class PrivateBrowsingChannel<HttpBaseChannel>;
friend class InterceptFailedOnStop;
nsCOMPtr<nsIURI> mURI;
nsCOMPtr<nsIURI> mOriginalURI;
nsCOMPtr<nsIURI> mDocumentURI;
nsCOMPtr<nsIStreamListener> mListener;
nsCOMPtr<nsISupports> mListenerContext;
nsCOMPtr<nsILoadGroup> mLoadGroup;
nsCOMPtr<nsISupports> mOwner;
nsCOMPtr<nsILoadInfo> mLoadInfo;
nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
nsCOMPtr<nsIProgressEventSink> mProgressSink;
nsCOMPtr<nsIURI> mReferrer;
nsCOMPtr<nsIApplicationCache> mApplicationCache;
// An instance of nsHTTPCompressConv
nsCOMPtr<nsIStreamListener> mCompressListener;
nsHttpRequestHead mRequestHead;
nsCOMPtr<nsIInputStream> mUploadStream;
nsCOMPtr<nsIRunnable> mUploadCloneableCallback;
nsAutoPtr<nsHttpResponseHead> mResponseHead;
RefPtr<nsHttpConnectionInfo> mConnectionInfo;
nsCOMPtr<nsIProxyInfo> mProxyInfo;
nsCOMPtr<nsISupports> mSecurityInfo;
nsCString mSpec; // ASCII encoded URL spec
nsCString mContentTypeHint;
nsCString mContentCharsetHint;
nsCString mUserSetCookieHeader;
NetAddr mSelfAddr;
NetAddr mPeerAddr;
// HTTP Upgrade Data
nsCString mUpgradeProtocol;
nsCOMPtr<nsIHttpUpgradeListener> mUpgradeProtocolCallback;
// Resumable channel specific data
nsCString mEntityID;
uint64_t mStartPos;
nsresult mStatus;
uint32_t mLoadFlags;
uint32_t mCaps;
uint32_t mClassOfService;
int16_t mPriority;
uint8_t mRedirectionLimit;
uint32_t mApplyConversion : 1;
uint32_t mCanceled : 1;
uint32_t mIsPending : 1;
uint32_t mWasOpened : 1;
// if 1 all "http-on-{opening|modify|etc}-request" observers have been called
uint32_t mRequestObserversCalled : 1;
uint32_t mResponseHeadersModified : 1;
uint32_t mAllowPipelining : 1;
uint32_t mAllowSTS : 1;
uint32_t mThirdPartyFlags : 3;
uint32_t mUploadStreamHasHeaders : 1;
uint32_t mInheritApplicationCache : 1;
uint32_t mChooseApplicationCache : 1;
uint32_t mLoadedFromApplicationCache : 1;
uint32_t mChannelIsForDownload : 1;
uint32_t mTracingEnabled : 1;
// True if timing collection is enabled
uint32_t mTimingEnabled : 1;
uint32_t mAllowSpdy : 1;
uint32_t mAllowAltSvc : 1;
uint32_t mResponseTimeoutEnabled : 1;
// A flag that should be false only if a cross-domain redirect occurred
uint32_t mAllRedirectsSameOrigin : 1;
// Is 1 if no redirects have occured or if all redirects
// pass the Resource Timing timing-allow-check
uint32_t mAllRedirectsPassTimingAllowCheck : 1;
// True if this channel was intercepted and could receive a synthesized response.
uint32_t mResponseCouldBeSynthesized : 1;
// Current suspension depth for this channel object
uint32_t mSuspendCount;
// Per channel transport window override (0 means no override)
uint32_t mInitialRwin;
nsCOMPtr<nsIURI> mAPIRedirectToURI;
nsAutoPtr<nsTArray<nsCString> > mRedirectedCachekeys;
uint32_t mProxyResolveFlags;
nsCOMPtr<nsIURI> mProxyURI;
uint32_t mContentDispositionHint;
nsAutoPtr<nsString> mContentDispositionFilename;
RefPtr<nsHttpHandler> mHttpHandler; // keep gHttpHandler alive
uint32_t mReferrerPolicy;
// Performance tracking
// The initiator type (for this resource) - how was the resource referenced in
// the HTML file.
nsString mInitiatorType;
// Number of redirects that has occurred.
int16_t mRedirectCount;
// A time value equal to the starting time of the fetch that initiates the
// redirect.
mozilla::TimeStamp mRedirectStartTimeStamp;
// A time value equal to the time immediately after receiving the last byte of
// the response of the last redirect.
mozilla::TimeStamp mRedirectEndTimeStamp;
PRTime mChannelCreationTime;
TimeStamp mChannelCreationTimestamp;
TimeStamp mAsyncOpenTime;
TimeStamp mCacheReadStart;
TimeStamp mCacheReadEnd;
// copied from the transaction before we null out mTransaction
// so that the timing can still be queried from OnStopRequest
TimingStruct mTransactionTimings;
nsCOMPtr<nsIPrincipal> mPrincipal;
bool mForcePending;
nsCOMPtr<nsIURI> mTopWindowURI;
bool mCorsIncludeCredentials;
uint32_t mCorsMode;
uint32_t mRedirectMode;
// This parameter is used to ensure that we do not call OnStartRequest more
// than once.
bool mOnStartRequestCalled;
uint64_t mTransferSize;
uint64_t mDecodedBodySize;
uint64_t mEncodedBodySize;
// The network interface id that's associated with this channel.
nsCString mNetworkInterfaceId;
nsID mSchedulingContextID;
bool EnsureSchedulingContextID();
// ID of the top-level document's inner window this channel is being
// originated from.
uint64_t mContentWindowId;
bool mRequireCORSPreflight;
nsTArray<nsCString> mUnsafeHeaders;
nsCOMPtr<nsIConsoleReportCollector> mReportCollector;
bool mForceMainDocumentChannel;
};
NS_DEFINE_STATIC_IID_ACCESSOR(HttpBaseChannel, HTTP_BASE_CHANNEL_IID)
// Share some code while working around C++'s absurd inability to handle casting
// of member functions between base/derived types.
// - We want to store member function pointer to call at resume time, but one
// such function--HandleAsyncAbort--we want to share between the
// nsHttpChannel/HttpChannelChild. Can't define it in base class, because
// then we'd have to cast member function ptr between base/derived class
// types. Sigh...
template <class T>
class HttpAsyncAborter
{
public:
explicit HttpAsyncAborter(T *derived) : mThis(derived), mCallOnResume(0) {}
// Aborts channel: calls OnStart/Stop with provided status, removes channel
// from loadGroup.
nsresult AsyncAbort(nsresult status);
// Does most the actual work.
void HandleAsyncAbort();
// AsyncCall calls a member function asynchronously (via an event).
// retval isn't refcounted and is set only when event was successfully
// posted, the event is returned for the purpose of cancelling when needed
nsresult AsyncCall(void (T::*funcPtr)(),
nsRunnableMethod<T> **retval = nullptr);
private:
T *mThis;
protected:
// Function to be called at resume time
void (T::* mCallOnResume)(void);
};
template <class T>
nsresult HttpAsyncAborter<T>::AsyncAbort(nsresult status)
{
MOZ_LOG(gHttpLog, LogLevel::Debug,
("HttpAsyncAborter::AsyncAbort [this=%p status=%x]\n", mThis, status));
mThis->mStatus = status;
// if this fails? Callers ignore our return value anyway....
return AsyncCall(&T::HandleAsyncAbort);
}
// Each subclass needs to define its own version of this (which just calls this
// base version), else we wind up casting base/derived member function ptrs
template <class T>
inline void HttpAsyncAborter<T>::HandleAsyncAbort()
{
NS_PRECONDITION(!mCallOnResume, "How did that happen?");
if (mThis->mSuspendCount) {
MOZ_LOG(gHttpLog, LogLevel::Debug,
("Waiting until resume to do async notification [this=%p]\n", mThis));
mCallOnResume = &T::HandleAsyncAbort;
return;
}
mThis->DoNotifyListener();
// finally remove ourselves from the load group.
if (mThis->mLoadGroup)
mThis->mLoadGroup->RemoveRequest(mThis, nullptr, mThis->mStatus);
}
template <class T>
nsresult HttpAsyncAborter<T>::AsyncCall(void (T::*funcPtr)(),
nsRunnableMethod<T> **retval)
{
nsresult rv;
RefPtr<nsRunnableMethod<T> > event = NS_NewRunnableMethod(mThis, funcPtr);
rv = NS_DispatchToCurrentThread(event);
if (NS_SUCCEEDED(rv) && retval) {
*retval = event;
}
return rv;
}
} // namespace net
} // namespace mozilla
#endif // mozilla_net_HttpBaseChannel_h
Reference in New Issue View Git Blame Copy Permalink