netwerk/protocol/http/nsHttpHandler.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/netwerk/protocol/http/nsHttpHandler.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,571 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef nsHttpHandler_h__
    1.10 +#define nsHttpHandler_h__
    1.11 +
    1.12 +#include "nsHttp.h"
    1.13 +#include "nsHttpAuthCache.h"
    1.14 +#include "nsHttpConnectionMgr.h"
    1.15 +#include "ASpdySession.h"
    1.16 +
    1.17 +#include "nsString.h"
    1.18 +#include "nsCOMPtr.h"
    1.19 +#include "nsWeakReference.h"
    1.20 +
    1.21 +#include "nsIHttpProtocolHandler.h"
    1.22 +#include "nsIObserver.h"
    1.23 +#include "nsISpeculativeConnect.h"
    1.24 +#include "nsICache.h"
    1.25 +
    1.26 +class nsIHttpChannel;
    1.27 +class nsIPrefBranch;
    1.28 +class nsICancelable;
    1.29 +class nsICookieService;
    1.30 +class nsIIOService;
    1.31 +class nsIObserverService;
    1.32 +class nsISiteSecurityService;
    1.33 +class nsIStreamConverterService;
    1.34 +class nsITimer;
    1.35 +
    1.36 +namespace mozilla {
    1.37 +namespace net {
    1.38 +class ATokenBucketEvent;
    1.39 +class EventTokenBucket;
    1.40 +class Tickler;
    1.41 +class nsHttpConnection;
    1.42 +class nsHttpConnectionInfo;
    1.43 +class nsHttpTransaction;
    1.44 +
    1.45 +//-----------------------------------------------------------------------------
    1.46 +// nsHttpHandler - protocol handler for HTTP and HTTPS
    1.47 +//-----------------------------------------------------------------------------
    1.48 +
    1.49 +class nsHttpHandler : public nsIHttpProtocolHandler
    1.50 +                    , public nsIObserver
    1.51 +                    , public nsSupportsWeakReference
    1.52 +                    , public nsISpeculativeConnect
    1.53 +{
    1.54 +public:
    1.55 +    NS_DECL_THREADSAFE_ISUPPORTS
    1.56 +    NS_DECL_NSIPROTOCOLHANDLER
    1.57 +    NS_DECL_NSIPROXIEDPROTOCOLHANDLER
    1.58 +    NS_DECL_NSIHTTPPROTOCOLHANDLER
    1.59 +    NS_DECL_NSIOBSERVER
    1.60 +    NS_DECL_NSISPECULATIVECONNECT
    1.61 +
    1.62 +    nsHttpHandler();
    1.63 +    virtual ~nsHttpHandler();
    1.64 +
    1.65 +    nsresult Init();
    1.66 +    nsresult AddStandardRequestHeaders(nsHttpHeaderArray *);
    1.67 +    nsresult AddConnectionHeader(nsHttpHeaderArray *,
    1.68 +                                 uint32_t capabilities);
    1.69 +    bool     IsAcceptableEncoding(const char *encoding);
    1.70 +
    1.71 +    const nsAFlatCString &UserAgent();
    1.72 +
    1.73 +    nsHttpVersion  HttpVersion()             { return mHttpVersion; }
    1.74 +    nsHttpVersion  ProxyHttpVersion()        { return mProxyHttpVersion; }
    1.75 +    uint8_t        ReferrerLevel()           { return mReferrerLevel; }
    1.76 +    bool           SpoofReferrerSource()     { return mSpoofReferrerSource; }
    1.77 +    uint8_t        ReferrerTrimmingPolicy()  { return mReferrerTrimmingPolicy; }
    1.78 +    uint8_t        ReferrerXOriginPolicy()   { return mReferrerXOriginPolicy; }
    1.79 +    bool           SendSecureXSiteReferrer() { return mSendSecureXSiteReferrer; }
    1.80 +    uint8_t        RedirectionLimit()        { return mRedirectionLimit; }
    1.81 +    PRIntervalTime IdleTimeout()             { return mIdleTimeout; }
    1.82 +    PRIntervalTime SpdyTimeout()             { return mSpdyTimeout; }
    1.83 +    PRIntervalTime ResponseTimeout() {
    1.84 +      return mResponseTimeoutEnabled ? mResponseTimeout : 0;
    1.85 +    }
    1.86 +    PRIntervalTime ResponseTimeoutEnabled()  { return mResponseTimeoutEnabled; }
    1.87 +    uint16_t       MaxRequestAttempts()      { return mMaxRequestAttempts; }
    1.88 +    const char    *DefaultSocketType()       { return mDefaultSocketType.get(); /* ok to return null */ }
    1.89 +    uint32_t       PhishyUserPassLength()    { return mPhishyUserPassLength; }
    1.90 +    uint8_t        GetQoSBits()              { return mQoSBits; }
    1.91 +    uint16_t       GetIdleSynTimeout()       { return mIdleSynTimeout; }
    1.92 +    bool           FastFallbackToIPv4()      { return mFastFallbackToIPv4; }
    1.93 +    bool           ProxyPipelining()         { return mProxyPipelining; }
    1.94 +    uint32_t       MaxSocketCount();
    1.95 +    bool           EnforceAssocReq()         { return mEnforceAssocReq; }
    1.96 +
    1.97 +    bool           IsPersistentHttpsCachingEnabled() { return mEnablePersistentHttpsCaching; }
    1.98 +    bool           IsTelemetryEnabled() { return mTelemetryEnabled; }
    1.99 +    bool           AllowExperiments() { return mTelemetryEnabled && mAllowExperiments; }
   1.100 +
   1.101 +    bool           IsSpdyEnabled() { return mEnableSpdy; }
   1.102 +    bool           IsSpdyV3Enabled() { return mSpdyV3; }
   1.103 +    bool           IsSpdyV31Enabled() { return mSpdyV31; }
   1.104 +    bool           IsHttp2DraftEnabled() { return mHttp2DraftEnabled; }
   1.105 +    bool           EnforceHttp2TlsProfile() { return mEnforceHttp2TlsProfile; }
   1.106 +    bool           CoalesceSpdy() { return mCoalesceSpdy; }
   1.107 +    bool           UseSpdyPersistentSettings() { return mSpdyPersistentSettings; }
   1.108 +    uint32_t       SpdySendingChunkSize() { return mSpdySendingChunkSize; }
   1.109 +    uint32_t       SpdySendBufferSize()      { return mSpdySendBufferSize; }
   1.110 +    uint32_t       SpdyPushAllowance()       { return mSpdyPushAllowance; }
   1.111 +    PRIntervalTime SpdyPingThreshold() { return mSpdyPingThreshold; }
   1.112 +    PRIntervalTime SpdyPingTimeout() { return mSpdyPingTimeout; }
   1.113 +    bool           AllowPush()   { return mAllowPush; }
   1.114 +    uint32_t       ConnectTimeout()  { return mConnectTimeout; }
   1.115 +    uint32_t       ParallelSpeculativeConnectLimit() { return mParallelSpeculativeConnectLimit; }
   1.116 +    bool           CriticalRequestPrioritization() { return mCriticalRequestPrioritization; }
   1.117 +    double         BypassCacheLockThreshold() { return mBypassCacheLockThreshold; }
   1.118 +
   1.119 +    bool           UseRequestTokenBucket() { return mRequestTokenBucketEnabled; }
   1.120 +    uint16_t       RequestTokenBucketMinParallelism() { return mRequestTokenBucketMinParallelism; }
   1.121 +    uint32_t       RequestTokenBucketHz() { return mRequestTokenBucketHz; }
   1.122 +    uint32_t       RequestTokenBucketBurst() {return mRequestTokenBucketBurst; }
   1.123 +
   1.124 +    bool           PromptTempRedirect()      { return mPromptTempRedirect; }
   1.125 +
   1.126 +    // TCP Keepalive configuration values.
   1.127 +
   1.128 +    // Returns true if TCP keepalive should be enabled for short-lived conns.
   1.129 +    bool TCPKeepaliveEnabledForShortLivedConns() {
   1.130 +      return mTCPKeepaliveShortLivedEnabled;
   1.131 +    }
   1.132 +    // Return time (secs) that a connection is consider short lived (for TCP
   1.133 +    // keepalive purposes). After this time, the connection is long-lived.
   1.134 +    int32_t GetTCPKeepaliveShortLivedTime() {
   1.135 +      return mTCPKeepaliveShortLivedTimeS;
   1.136 +    }
   1.137 +    // Returns time (secs) before first TCP keepalive probes should be sent;
   1.138 +    // same time used between successful keepalive probes.
   1.139 +    int32_t GetTCPKeepaliveShortLivedIdleTime() {
   1.140 +      return mTCPKeepaliveShortLivedIdleTimeS;
   1.141 +    }
   1.142 +
   1.143 +    // Returns true if TCP keepalive should be enabled for long-lived conns.
   1.144 +    bool TCPKeepaliveEnabledForLongLivedConns() {
   1.145 +      return mTCPKeepaliveLongLivedEnabled;
   1.146 +    }
   1.147 +    // Returns time (secs) before first TCP keepalive probes should be sent;
   1.148 +    // same time used between successful keepalive probes.
   1.149 +    int32_t GetTCPKeepaliveLongLivedIdleTime() {
   1.150 +      return mTCPKeepaliveLongLivedIdleTimeS;
   1.151 +    }
   1.152 +
   1.153 +    nsHttpAuthCache     *AuthCache(bool aPrivate) {
   1.154 +        return aPrivate ? &mPrivateAuthCache : &mAuthCache;
   1.155 +    }
   1.156 +    nsHttpConnectionMgr *ConnMgr()   { return mConnMgr; }
   1.157 +
   1.158 +    // cache support
   1.159 +    bool UseCache() const { return mUseCache; }
   1.160 +    uint32_t GenerateUniqueID() { return ++mLastUniqueID; }
   1.161 +    uint32_t SessionStartTime() { return mSessionStartTime; }
   1.162 +
   1.163 +    //
   1.164 +    // Connection management methods:
   1.165 +    //
   1.166 +    // - the handler only owns idle connections; it does not own active
   1.167 +    //   connections.
   1.168 +    //
   1.169 +    // - the handler keeps a count of active connections to enforce the
   1.170 +    //   steady-state max-connections pref.
   1.171 +    //
   1.172 +
   1.173 +    // Called to kick-off a new transaction, by default the transaction
   1.174 +    // will be put on the pending transaction queue if it cannot be
   1.175 +    // initiated at this time.  Callable from any thread.
   1.176 +    nsresult InitiateTransaction(nsHttpTransaction *trans, int32_t priority)
   1.177 +    {
   1.178 +        return mConnMgr->AddTransaction(trans, priority);
   1.179 +    }
   1.180 +
   1.181 +    // Called to change the priority of an existing transaction that has
   1.182 +    // already been initiated.
   1.183 +    nsresult RescheduleTransaction(nsHttpTransaction *trans, int32_t priority)
   1.184 +    {
   1.185 +        return mConnMgr->RescheduleTransaction(trans, priority);
   1.186 +    }
   1.187 +
   1.188 +    // Called to cancel a transaction, which may or may not be assigned to
   1.189 +    // a connection.  Callable from any thread.
   1.190 +    nsresult CancelTransaction(nsHttpTransaction *trans, nsresult reason)
   1.191 +    {
   1.192 +        return mConnMgr->CancelTransaction(trans, reason);
   1.193 +    }
   1.194 +
   1.195 +    // Called when a connection is done processing a transaction.  Callable
   1.196 +    // from any thread.
   1.197 +    nsresult ReclaimConnection(nsHttpConnection *conn)
   1.198 +    {
   1.199 +        return mConnMgr->ReclaimConnection(conn);
   1.200 +    }
   1.201 +
   1.202 +    nsresult ProcessPendingQ(nsHttpConnectionInfo *cinfo)
   1.203 +    {
   1.204 +        return mConnMgr->ProcessPendingQ(cinfo);
   1.205 +    }
   1.206 +
   1.207 +    nsresult ProcessPendingQ()
   1.208 +    {
   1.209 +        return mConnMgr->ProcessPendingQ();
   1.210 +    }
   1.211 +
   1.212 +    nsresult GetSocketThreadTarget(nsIEventTarget **target)
   1.213 +    {
   1.214 +        return mConnMgr->GetSocketThreadTarget(target);
   1.215 +    }
   1.216 +
   1.217 +    nsresult SpeculativeConnect(nsHttpConnectionInfo *ci,
   1.218 +                                nsIInterfaceRequestor *callbacks,
   1.219 +                                uint32_t caps = 0)
   1.220 +    {
   1.221 +        TickleWifi(callbacks);
   1.222 +        return mConnMgr->SpeculativeConnect(ci, callbacks, caps);
   1.223 +    }
   1.224 +
   1.225 +    //
   1.226 +    // The HTTP handler caches pointers to specific XPCOM services, and
   1.227 +    // provides the following helper routines for accessing those services:
   1.228 +    //
   1.229 +    nsresult GetStreamConverterService(nsIStreamConverterService **);
   1.230 +    nsresult GetIOService(nsIIOService** service);
   1.231 +    nsICookieService * GetCookieService(); // not addrefed
   1.232 +    nsISiteSecurityService * GetSSService();
   1.233 +
   1.234 +    // callable from socket thread only
   1.235 +    uint32_t Get32BitsOfPseudoRandom();
   1.236 +
   1.237 +    // Called by the channel synchronously during asyncOpen
   1.238 +    void OnOpeningRequest(nsIHttpChannel *chan)
   1.239 +    {
   1.240 +        NotifyObservers(chan, NS_HTTP_ON_OPENING_REQUEST_TOPIC);
   1.241 +    }
   1.242 +
   1.243 +    // Called by the channel before writing a request
   1.244 +    void OnModifyRequest(nsIHttpChannel *chan)
   1.245 +    {
   1.246 +        NotifyObservers(chan, NS_HTTP_ON_MODIFY_REQUEST_TOPIC);
   1.247 +    }
   1.248 +
   1.249 +    // Called by the channel once headers are available
   1.250 +    void OnExamineResponse(nsIHttpChannel *chan)
   1.251 +    {
   1.252 +        NotifyObservers(chan, NS_HTTP_ON_EXAMINE_RESPONSE_TOPIC);
   1.253 +    }
   1.254 +
   1.255 +    // Called by the channel once headers have been merged with cached headers
   1.256 +    void OnExamineMergedResponse(nsIHttpChannel *chan)
   1.257 +    {
   1.258 +        NotifyObservers(chan, NS_HTTP_ON_EXAMINE_MERGED_RESPONSE_TOPIC);
   1.259 +    }
   1.260 +
   1.261 +    // Called by channels before a redirect happens. This notifies both the
   1.262 +    // channel's and the global redirect observers.
   1.263 +    nsresult AsyncOnChannelRedirect(nsIChannel* oldChan, nsIChannel* newChan,
   1.264 +                               uint32_t flags);
   1.265 +
   1.266 +    // Called by the channel when the response is read from the cache without
   1.267 +    // communicating with the server.
   1.268 +    void OnExamineCachedResponse(nsIHttpChannel *chan)
   1.269 +    {
   1.270 +        NotifyObservers(chan, NS_HTTP_ON_EXAMINE_CACHED_RESPONSE_TOPIC);
   1.271 +    }
   1.272 +
   1.273 +    // Generates the host:port string for use in the Host: header as well as the
   1.274 +    // CONNECT line for proxies. This handles IPv6 literals correctly.
   1.275 +    static nsresult GenerateHostPort(const nsCString& host, int32_t port,
   1.276 +                                     nsCString& hostLine);
   1.277 +
   1.278 +    bool GetPipelineAggressive()     { return mPipelineAggressive; }
   1.279 +    uint32_t GetMaxPipelinedRequests()     { return mMaxPipelinedRequests; }
   1.280 +    uint32_t GetMaxOptimisticPipelinedRequests()     { return mMaxOptimisticPipelinedRequests; }
   1.281 +    void GetMaxPipelineObjectSize(int64_t *outVal)
   1.282 +    {
   1.283 +        *outVal = mMaxPipelineObjectSize;
   1.284 +    }
   1.285 +
   1.286 +    bool GetPipelineEnabled()
   1.287 +    {
   1.288 +        return mCapabilities & NS_HTTP_ALLOW_PIPELINING;
   1.289 +    }
   1.290 +
   1.291 +    bool GetPipelineRescheduleOnTimeout()
   1.292 +    {
   1.293 +        return mPipelineRescheduleOnTimeout;
   1.294 +    }
   1.295 +
   1.296 +    PRIntervalTime GetPipelineRescheduleTimeout()
   1.297 +    {
   1.298 +        return mPipelineRescheduleTimeout;
   1.299 +    }
   1.300 +
   1.301 +    PRIntervalTime GetPipelineTimeout()   { return mPipelineReadTimeout; }
   1.302 +
   1.303 +    SpdyInformation *SpdyInfo() { return &mSpdyInfo; }
   1.304 +
   1.305 +    // returns true in between Init and Shutdown states
   1.306 +    bool Active() { return mHandlerActive; }
   1.307 +
   1.308 +    static void GetCacheSessionNameForStoragePolicy(
   1.309 +            nsCacheStoragePolicy storagePolicy,
   1.310 +            bool isPrivate,
   1.311 +            uint32_t appId,
   1.312 +            bool inBrowser,
   1.313 +            nsACString& sessionName);
   1.314 +
   1.315 +    // When the disk cache is responding slowly its use is suppressed
   1.316 +    // for 1 minute for most requests. Callable from main thread only.
   1.317 +    TimeStamp GetCacheSkippedUntil() { return mCacheSkippedUntil; }
   1.318 +    void SetCacheSkippedUntil(TimeStamp arg) { mCacheSkippedUntil = arg; }
   1.319 +    void ClearCacheSkippedUntil() { mCacheSkippedUntil = TimeStamp(); }
   1.320 +
   1.321 +private:
   1.322 +
   1.323 +    //
   1.324 +    // Useragent/prefs helper methods
   1.325 +    //
   1.326 +    void     BuildUserAgent();
   1.327 +    void     InitUserAgentComponents();
   1.328 +    void     PrefsChanged(nsIPrefBranch *prefs, const char *pref);
   1.329 +
   1.330 +    nsresult SetAccept(const char *);
   1.331 +    nsresult SetAcceptLanguages(const char *);
   1.332 +    nsresult SetAcceptEncodings(const char *);
   1.333 +
   1.334 +    nsresult InitConnectionMgr();
   1.335 +
   1.336 +    void     NotifyObservers(nsIHttpChannel *chan, const char *event);
   1.337 +
   1.338 +    static void TimerCallback(nsITimer * aTimer, void * aClosure);
   1.339 +private:
   1.340 +
   1.341 +    // cached services
   1.342 +    nsMainThreadPtrHandle<nsIIOService>              mIOService;
   1.343 +    nsMainThreadPtrHandle<nsIStreamConverterService> mStreamConvSvc;
   1.344 +    nsMainThreadPtrHandle<nsIObserverService>        mObserverService;
   1.345 +    nsMainThreadPtrHandle<nsICookieService>          mCookieService;
   1.346 +    nsMainThreadPtrHandle<nsISiteSecurityService>    mSSService;
   1.347 +
   1.348 +    // the authentication credentials cache
   1.349 +    nsHttpAuthCache mAuthCache;
   1.350 +    nsHttpAuthCache mPrivateAuthCache;
   1.351 +
   1.352 +    // the connection manager
   1.353 +    nsHttpConnectionMgr *mConnMgr;
   1.354 +
   1.355 +    //
   1.356 +    // prefs
   1.357 +    //
   1.358 +
   1.359 +    uint8_t  mHttpVersion;
   1.360 +    uint8_t  mProxyHttpVersion;
   1.361 +    uint32_t mCapabilities;
   1.362 +    uint8_t  mReferrerLevel;
   1.363 +    uint8_t  mSpoofReferrerSource;
   1.364 +    uint8_t  mReferrerTrimmingPolicy;
   1.365 +    uint8_t  mReferrerXOriginPolicy;
   1.366 +
   1.367 +    bool mFastFallbackToIPv4;
   1.368 +    bool mProxyPipelining;
   1.369 +    PRIntervalTime mIdleTimeout;
   1.370 +    PRIntervalTime mSpdyTimeout;
   1.371 +    PRIntervalTime mResponseTimeout;
   1.372 +    bool mResponseTimeoutEnabled;
   1.373 +
   1.374 +    uint16_t mMaxRequestAttempts;
   1.375 +    uint16_t mMaxRequestDelay;
   1.376 +    uint16_t mIdleSynTimeout;
   1.377 +
   1.378 +    bool     mPipeliningEnabled;
   1.379 +    uint16_t mMaxConnections;
   1.380 +    uint8_t  mMaxPersistentConnectionsPerServer;
   1.381 +    uint8_t  mMaxPersistentConnectionsPerProxy;
   1.382 +    uint16_t mMaxPipelinedRequests;
   1.383 +    uint16_t mMaxOptimisticPipelinedRequests;
   1.384 +    bool     mPipelineAggressive;
   1.385 +    int64_t  mMaxPipelineObjectSize;
   1.386 +    bool     mPipelineRescheduleOnTimeout;
   1.387 +    PRIntervalTime mPipelineRescheduleTimeout;
   1.388 +    PRIntervalTime mPipelineReadTimeout;
   1.389 +    nsCOMPtr<nsITimer> mPipelineTestTimer;
   1.390 +
   1.391 +    uint8_t  mRedirectionLimit;
   1.392 +
   1.393 +    // we'll warn the user if we load an URL containing a userpass field
   1.394 +    // unless its length is less than this threshold.  this warning is
   1.395 +    // intended to protect the user against spoofing attempts that use
   1.396 +    // the userpass field of the URL to obscure the actual origin server.
   1.397 +    uint8_t  mPhishyUserPassLength;
   1.398 +
   1.399 +    uint8_t  mQoSBits;
   1.400 +
   1.401 +    bool mPipeliningOverSSL;
   1.402 +    bool mEnforceAssocReq;
   1.403 +
   1.404 +    nsCString mAccept;
   1.405 +    nsCString mAcceptLanguages;
   1.406 +    nsCString mAcceptEncodings;
   1.407 +
   1.408 +    nsXPIDLCString mDefaultSocketType;
   1.409 +
   1.410 +    // cache support
   1.411 +    uint32_t                  mLastUniqueID;
   1.412 +    uint32_t                  mSessionStartTime;
   1.413 +
   1.414 +    // useragent components
   1.415 +    nsCString      mLegacyAppName;
   1.416 +    nsCString      mLegacyAppVersion;
   1.417 +    nsCString      mPlatform;
   1.418 +    nsCString      mOscpu;
   1.419 +    nsCString      mMisc;
   1.420 +    nsCString      mProduct;
   1.421 +    nsXPIDLCString mProductSub;
   1.422 +    nsXPIDLCString mAppName;
   1.423 +    nsXPIDLCString mAppVersion;
   1.424 +    nsCString      mCompatFirefox;
   1.425 +    bool           mCompatFirefoxEnabled;
   1.426 +    nsXPIDLCString mCompatDevice;
   1.427 +
   1.428 +    nsCString      mUserAgent;
   1.429 +    nsXPIDLCString mUserAgentOverride;
   1.430 +    bool           mUserAgentIsDirty; // true if mUserAgent should be rebuilt
   1.431 +
   1.432 +    bool           mUseCache;
   1.433 +
   1.434 +    bool           mPromptTempRedirect;
   1.435 +    // mSendSecureXSiteReferrer: default is false,
   1.436 +    // if true allow referrer headers between secure non-matching hosts
   1.437 +    bool           mSendSecureXSiteReferrer;
   1.438 +
   1.439 +    // Persistent HTTPS caching flag
   1.440 +    bool           mEnablePersistentHttpsCaching;
   1.441 +
   1.442 +    // For broadcasting tracking preference
   1.443 +    bool           mDoNotTrackEnabled;
   1.444 +    uint8_t        mDoNotTrackValue;
   1.445 +
   1.446 +    // for broadcasting safe hint;
   1.447 +    bool           mSafeHintEnabled;
   1.448 +    bool           mParentalControlEnabled;
   1.449 +
   1.450 +    // Whether telemetry is reported or not
   1.451 +    uint32_t           mTelemetryEnabled : 1;
   1.452 +
   1.453 +    // The value of network.allow-experiments
   1.454 +    uint32_t           mAllowExperiments : 1;
   1.455 +
   1.456 +    // true in between init and shutdown states
   1.457 +    uint32_t           mHandlerActive : 1;
   1.458 +
   1.459 +    uint32_t           mEnableSpdy : 1;
   1.460 +    uint32_t           mSpdyV3 : 1;
   1.461 +    uint32_t           mSpdyV31 : 1;
   1.462 +    uint32_t           mHttp2DraftEnabled : 1;
   1.463 +    uint32_t           mEnforceHttp2TlsProfile : 1;
   1.464 +    uint32_t           mCoalesceSpdy : 1;
   1.465 +    uint32_t           mSpdyPersistentSettings : 1;
   1.466 +    uint32_t           mAllowPush : 1;
   1.467 +
   1.468 +    // Try to use SPDY features instead of HTTP/1.1 over SSL
   1.469 +    SpdyInformation    mSpdyInfo;
   1.470 +
   1.471 +    uint32_t       mSpdySendingChunkSize;
   1.472 +    uint32_t       mSpdySendBufferSize;
   1.473 +    uint32_t       mSpdyPushAllowance;
   1.474 +    PRIntervalTime mSpdyPingThreshold;
   1.475 +    PRIntervalTime mSpdyPingTimeout;
   1.476 +
   1.477 +    // The maximum amount of time to wait for socket transport to be
   1.478 +    // established. In milliseconds.
   1.479 +    uint32_t       mConnectTimeout;
   1.480 +
   1.481 +    // The maximum amount of time the nsICacheSession lock can be held
   1.482 +    // before a new transaction bypasses the cache. In milliseconds.
   1.483 +    double         mBypassCacheLockThreshold;
   1.484 +
   1.485 +    // The maximum number of current global half open sockets allowable
   1.486 +    // when starting a new speculative connection.
   1.487 +    uint32_t       mParallelSpeculativeConnectLimit;
   1.488 +
   1.489 +    // For Rate Pacing of HTTP/1 requests through a netwerk/base/src/EventTokenBucket
   1.490 +    // Active requests <= *MinParallelism are not subject to the rate pacing
   1.491 +    bool           mRequestTokenBucketEnabled;
   1.492 +    uint16_t       mRequestTokenBucketMinParallelism;
   1.493 +    uint32_t       mRequestTokenBucketHz;  // EventTokenBucket HZ
   1.494 +    uint32_t       mRequestTokenBucketBurst; // EventTokenBucket Burst
   1.495 +
   1.496 +    // Whether or not to block requests for non head js/css items (e.g. media)
   1.497 +    // while those elements load.
   1.498 +    bool           mCriticalRequestPrioritization;
   1.499 +
   1.500 +    // When the disk cache is responding slowly its use is suppressed
   1.501 +    // for 1 minute for most requests.
   1.502 +    TimeStamp      mCacheSkippedUntil;
   1.503 +
   1.504 +    // TCP Keepalive configuration values.
   1.505 +
   1.506 +    // True if TCP keepalive is enabled for short-lived conns.
   1.507 +    bool mTCPKeepaliveShortLivedEnabled;
   1.508 +    // Time (secs) indicating how long a conn is considered short-lived.
   1.509 +    int32_t mTCPKeepaliveShortLivedTimeS;
   1.510 +    // Time (secs) before first keepalive probe; between successful probes.
   1.511 +    int32_t mTCPKeepaliveShortLivedIdleTimeS;
   1.512 +
   1.513 +    // True if TCP keepalive is enabled for long-lived conns.
   1.514 +    bool mTCPKeepaliveLongLivedEnabled;
   1.515 +    // Time (secs) before first keepalive probe; between successful probes.
   1.516 +    int32_t mTCPKeepaliveLongLivedIdleTimeS;
   1.517 +
   1.518 +private:
   1.519 +    // For Rate Pacing Certain Network Events. Only assign this pointer on
   1.520 +    // socket thread.
   1.521 +    void MakeNewRequestTokenBucket();
   1.522 +    nsRefPtr<EventTokenBucket> mRequestTokenBucket;
   1.523 +
   1.524 +public:
   1.525 +    // Socket thread only
   1.526 +    nsresult SubmitPacedRequest(ATokenBucketEvent *event,
   1.527 +                                nsICancelable **cancel)
   1.528 +    {
   1.529 +        if (!mRequestTokenBucket)
   1.530 +            return NS_ERROR_UNEXPECTED;
   1.531 +        return mRequestTokenBucket->SubmitEvent(event, cancel);
   1.532 +    }
   1.533 +
   1.534 +    // Socket thread only
   1.535 +    void SetRequestTokenBucket(EventTokenBucket *aTokenBucket)
   1.536 +    {
   1.537 +        mRequestTokenBucket = aTokenBucket;
   1.538 +    }
   1.539 +
   1.540 +private:
   1.541 +    nsRefPtr<Tickler> mWifiTickler;
   1.542 +    void TickleWifi(nsIInterfaceRequestor *cb);
   1.543 +};
   1.544 +
   1.545 +extern nsHttpHandler *gHttpHandler;
   1.546 +
   1.547 +//-----------------------------------------------------------------------------
   1.548 +// nsHttpsHandler - thin wrapper to distinguish the HTTP handler from the
   1.549 +//                  HTTPS handler (even though they share the same impl).
   1.550 +//-----------------------------------------------------------------------------
   1.551 +
   1.552 +class nsHttpsHandler : public nsIHttpProtocolHandler
   1.553 +                     , public nsSupportsWeakReference
   1.554 +                     , public nsISpeculativeConnect
   1.555 +{
   1.556 +public:
   1.557 +    // we basically just want to override GetScheme and GetDefaultPort...
   1.558 +    // all other methods should be forwarded to the nsHttpHandler instance.
   1.559 +
   1.560 +    NS_DECL_THREADSAFE_ISUPPORTS
   1.561 +    NS_DECL_NSIPROTOCOLHANDLER
   1.562 +    NS_FORWARD_NSIPROXIEDPROTOCOLHANDLER (gHttpHandler->)
   1.563 +    NS_FORWARD_NSIHTTPPROTOCOLHANDLER    (gHttpHandler->)
   1.564 +    NS_FORWARD_NSISPECULATIVECONNECT     (gHttpHandler->)
   1.565 +
   1.566 +    nsHttpsHandler() { }
   1.567 +    virtual ~nsHttpsHandler() { }
   1.568 +
   1.569 +    nsresult Init();
   1.570 +};
   1.571 +
   1.572 +}} // namespace mozilla::net
   1.573 +
   1.574 +#endif // nsHttpHandler_h__

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