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comparison: netwerk/base/src/nsIOService.h
netwerk/base/src/nsIOService.h
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- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:2e1aee244c6c |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsIOService_h__ | |
| 7 #define nsIOService_h__ | |
| 8 | |
| 9 #include "nsStringFwd.h" | |
| 10 #include "nsIIOService2.h" | |
| 11 #include "nsTArray.h" | |
| 12 #include "nsCOMPtr.h" | |
| 13 #include "nsWeakPtr.h" | |
| 14 #include "nsIObserver.h" | |
| 15 #include "nsWeakReference.h" | |
| 16 #include "nsINetUtil.h" | |
| 17 #include "nsIChannelEventSink.h" | |
| 18 #include "nsCategoryCache.h" | |
| 19 #include "nsISpeculativeConnect.h" | |
| 20 #include "mozilla/Attributes.h" | |
| 21 | |
| 22 #define NS_N(x) (sizeof(x)/sizeof(*x)) | |
| 23 | |
| 24 // We don't want to expose this observer topic. | |
| 25 // Intended internal use only for remoting offline/inline events. | |
| 26 // See Bug 552829 | |
| 27 #define NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC "ipc:network:set-offline" | |
| 28 | |
| 29 static const char gScheme[][sizeof("resource")] = | |
| 30 {"chrome", "file", "http", "jar", "resource"}; | |
| 31 | |
| 32 class nsAsyncRedirectVerifyHelper; | |
| 33 class nsINetworkLinkService; | |
| 34 class nsIPrefBranch; | |
| 35 class nsIProtocolProxyService2; | |
| 36 class nsIProxyInfo; | |
| 37 class nsPIDNSService; | |
| 38 class nsPISocketTransportService; | |
| 39 | |
| 40 class nsIOService MOZ_FINAL : public nsIIOService2 | |
| 41 , public nsIObserver | |
| 42 , public nsINetUtil | |
| 43 , public nsISpeculativeConnect | |
| 44 , public nsSupportsWeakReference | |
| 45 { | |
| 46 public: | |
| 47 NS_DECL_THREADSAFE_ISUPPORTS | |
| 48 NS_DECL_NSIIOSERVICE | |
| 49 NS_DECL_NSIIOSERVICE2 | |
| 50 NS_DECL_NSIOBSERVER | |
| 51 NS_DECL_NSINETUTIL | |
| 52 NS_DECL_NSISPECULATIVECONNECT | |
| 53 | |
| 54 // Gets the singleton instance of the IO Service, creating it as needed | |
| 55 // Returns nullptr on out of memory or failure to initialize. | |
| 56 // Returns an addrefed pointer. | |
| 57 static nsIOService* GetInstance(); | |
| 58 | |
| 59 NS_HIDDEN_(nsresult) Init(); | |
| 60 NS_HIDDEN_(nsresult) NewURI(const char* aSpec, nsIURI* aBaseURI, | |
| 61 nsIURI* *result, | |
| 62 nsIProtocolHandler* *hdlrResult); | |
| 63 | |
| 64 // Called by channels before a redirect happens. This notifies the global | |
| 65 // redirect observers. | |
| 66 nsresult AsyncOnChannelRedirect(nsIChannel* oldChan, nsIChannel* newChan, | |
| 67 uint32_t flags, | |
| 68 nsAsyncRedirectVerifyHelper *helper); | |
| 69 | |
| 70 bool IsOffline() { return mOffline; } | |
| 71 bool IsLinkUp(); | |
| 72 | |
| 73 bool IsComingOnline() const { | |
| 74 return mOffline && mSettingOffline && !mSetOfflineValue; | |
| 75 } | |
| 76 | |
| 77 private: | |
| 78 // These shouldn't be called directly: | |
| 79 // - construct using GetInstance | |
| 80 // - destroy using Release | |
| 81 nsIOService() NS_HIDDEN; | |
| 82 ~nsIOService() NS_HIDDEN; | |
| 83 | |
| 84 NS_HIDDEN_(nsresult) TrackNetworkLinkStatusForOffline(); | |
| 85 | |
| 86 NS_HIDDEN_(nsresult) GetCachedProtocolHandler(const char *scheme, | |
| 87 nsIProtocolHandler* *hdlrResult, | |
| 88 uint32_t start=0, | |
| 89 uint32_t end=0); | |
| 90 NS_HIDDEN_(nsresult) CacheProtocolHandler(const char *scheme, | |
| 91 nsIProtocolHandler* hdlr); | |
| 92 | |
| 93 // Prefs wrangling | |
| 94 NS_HIDDEN_(void) PrefsChanged(nsIPrefBranch *prefs, const char *pref = nullptr); | |
| 95 NS_HIDDEN_(void) GetPrefBranch(nsIPrefBranch **); | |
| 96 NS_HIDDEN_(void) ParsePortList(nsIPrefBranch *prefBranch, const char *pref, bool remove); | |
| 97 | |
| 98 nsresult InitializeSocketTransportService(); | |
| 99 nsresult InitializeNetworkLinkService(); | |
| 100 | |
| 101 // consolidated helper function | |
| 102 void LookupProxyInfo(nsIURI *aURI, nsIURI *aProxyURI, uint32_t aProxyFlags, | |
| 103 nsCString *aScheme, nsIProxyInfo **outPI); | |
| 104 | |
| 105 private: | |
| 106 bool mOffline; | |
| 107 bool mOfflineForProfileChange; | |
| 108 bool mManageOfflineStatus; | |
| 109 | |
| 110 // Used to handle SetOffline() reentrancy. See the comment in | |
| 111 // SetOffline() for more details. | |
| 112 bool mSettingOffline; | |
| 113 bool mSetOfflineValue; | |
| 114 | |
| 115 bool mShutdown; | |
| 116 | |
| 117 nsCOMPtr<nsPISocketTransportService> mSocketTransportService; | |
| 118 nsCOMPtr<nsPIDNSService> mDNSService; | |
| 119 nsCOMPtr<nsIProtocolProxyService2> mProxyService; | |
| 120 nsCOMPtr<nsINetworkLinkService> mNetworkLinkService; | |
| 121 bool mNetworkLinkServiceInitialized; | |
| 122 | |
| 123 // Cached protocol handlers | |
| 124 nsWeakPtr mWeakHandler[NS_N(gScheme)]; | |
| 125 | |
| 126 // cached categories | |
| 127 nsCategoryCache<nsIChannelEventSink> mChannelEventSinks; | |
| 128 | |
| 129 nsTArray<int32_t> mRestrictedPortList; | |
| 130 | |
| 131 bool mAutoDialEnabled; | |
| 132 public: | |
| 133 // Used for all default buffer sizes that necko allocates. | |
| 134 static uint32_t gDefaultSegmentSize; | |
| 135 static uint32_t gDefaultSegmentCount; | |
| 136 }; | |
| 137 | |
| 138 /** | |
| 139 * Reference to the IO service singleton. May be null. | |
| 140 */ | |
| 141 extern nsIOService* gIOService; | |
| 142 | |
| 143 #endif // nsIOService_h__ |
