1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/base/src/nsIOService.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,143 @@
1.4 +/* -*- Mode: C++; tab-width: 2; 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 nsIOService_h__
1.10 +#define nsIOService_h__
1.11 +
1.12 +#include "nsStringFwd.h"
1.13 +#include "nsIIOService2.h"
1.14 +#include "nsTArray.h"
1.15 +#include "nsCOMPtr.h"
1.16 +#include "nsWeakPtr.h"
1.17 +#include "nsIObserver.h"
1.18 +#include "nsWeakReference.h"
1.19 +#include "nsINetUtil.h"
1.20 +#include "nsIChannelEventSink.h"
1.21 +#include "nsCategoryCache.h"
1.22 +#include "nsISpeculativeConnect.h"
1.23 +#include "mozilla/Attributes.h"
1.24 +
1.25 +#define NS_N(x) (sizeof(x)/sizeof(*x))
1.26 +
1.27 +// We don't want to expose this observer topic.
1.28 +// Intended internal use only for remoting offline/inline events.
1.29 +// See Bug 552829
1.30 +#define NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC "ipc:network:set-offline"
1.31 +
1.32 +static const char gScheme[][sizeof("resource")] =
1.33 + {"chrome", "file", "http", "jar", "resource"};
1.34 +
1.35 +class nsAsyncRedirectVerifyHelper;
1.36 +class nsINetworkLinkService;
1.37 +class nsIPrefBranch;
1.38 +class nsIProtocolProxyService2;
1.39 +class nsIProxyInfo;
1.40 +class nsPIDNSService;
1.41 +class nsPISocketTransportService;
1.42 +
1.43 +class nsIOService MOZ_FINAL : public nsIIOService2
1.44 + , public nsIObserver
1.45 + , public nsINetUtil
1.46 + , public nsISpeculativeConnect
1.47 + , public nsSupportsWeakReference
1.48 +{
1.49 +public:
1.50 + NS_DECL_THREADSAFE_ISUPPORTS
1.51 + NS_DECL_NSIIOSERVICE
1.52 + NS_DECL_NSIIOSERVICE2
1.53 + NS_DECL_NSIOBSERVER
1.54 + NS_DECL_NSINETUTIL
1.55 + NS_DECL_NSISPECULATIVECONNECT
1.56 +
1.57 + // Gets the singleton instance of the IO Service, creating it as needed
1.58 + // Returns nullptr on out of memory or failure to initialize.
1.59 + // Returns an addrefed pointer.
1.60 + static nsIOService* GetInstance();
1.61 +
1.62 + NS_HIDDEN_(nsresult) Init();
1.63 + NS_HIDDEN_(nsresult) NewURI(const char* aSpec, nsIURI* aBaseURI,
1.64 + nsIURI* *result,
1.65 + nsIProtocolHandler* *hdlrResult);
1.66 +
1.67 + // Called by channels before a redirect happens. This notifies the global
1.68 + // redirect observers.
1.69 + nsresult AsyncOnChannelRedirect(nsIChannel* oldChan, nsIChannel* newChan,
1.70 + uint32_t flags,
1.71 + nsAsyncRedirectVerifyHelper *helper);
1.72 +
1.73 + bool IsOffline() { return mOffline; }
1.74 + bool IsLinkUp();
1.75 +
1.76 + bool IsComingOnline() const {
1.77 + return mOffline && mSettingOffline && !mSetOfflineValue;
1.78 + }
1.79 +
1.80 +private:
1.81 + // These shouldn't be called directly:
1.82 + // - construct using GetInstance
1.83 + // - destroy using Release
1.84 + nsIOService() NS_HIDDEN;
1.85 + ~nsIOService() NS_HIDDEN;
1.86 +
1.87 + NS_HIDDEN_(nsresult) TrackNetworkLinkStatusForOffline();
1.88 +
1.89 + NS_HIDDEN_(nsresult) GetCachedProtocolHandler(const char *scheme,
1.90 + nsIProtocolHandler* *hdlrResult,
1.91 + uint32_t start=0,
1.92 + uint32_t end=0);
1.93 + NS_HIDDEN_(nsresult) CacheProtocolHandler(const char *scheme,
1.94 + nsIProtocolHandler* hdlr);
1.95 +
1.96 + // Prefs wrangling
1.97 + NS_HIDDEN_(void) PrefsChanged(nsIPrefBranch *prefs, const char *pref = nullptr);
1.98 + NS_HIDDEN_(void) GetPrefBranch(nsIPrefBranch **);
1.99 + NS_HIDDEN_(void) ParsePortList(nsIPrefBranch *prefBranch, const char *pref, bool remove);
1.100 +
1.101 + nsresult InitializeSocketTransportService();
1.102 + nsresult InitializeNetworkLinkService();
1.103 +
1.104 + // consolidated helper function
1.105 + void LookupProxyInfo(nsIURI *aURI, nsIURI *aProxyURI, uint32_t aProxyFlags,
1.106 + nsCString *aScheme, nsIProxyInfo **outPI);
1.107 +
1.108 +private:
1.109 + bool mOffline;
1.110 + bool mOfflineForProfileChange;
1.111 + bool mManageOfflineStatus;
1.112 +
1.113 + // Used to handle SetOffline() reentrancy. See the comment in
1.114 + // SetOffline() for more details.
1.115 + bool mSettingOffline;
1.116 + bool mSetOfflineValue;
1.117 +
1.118 + bool mShutdown;
1.119 +
1.120 + nsCOMPtr<nsPISocketTransportService> mSocketTransportService;
1.121 + nsCOMPtr<nsPIDNSService> mDNSService;
1.122 + nsCOMPtr<nsIProtocolProxyService2> mProxyService;
1.123 + nsCOMPtr<nsINetworkLinkService> mNetworkLinkService;
1.124 + bool mNetworkLinkServiceInitialized;
1.125 +
1.126 + // Cached protocol handlers
1.127 + nsWeakPtr mWeakHandler[NS_N(gScheme)];
1.128 +
1.129 + // cached categories
1.130 + nsCategoryCache<nsIChannelEventSink> mChannelEventSinks;
1.131 +
1.132 + nsTArray<int32_t> mRestrictedPortList;
1.133 +
1.134 + bool mAutoDialEnabled;
1.135 +public:
1.136 + // Used for all default buffer sizes that necko allocates.
1.137 + static uint32_t gDefaultSegmentSize;
1.138 + static uint32_t gDefaultSegmentCount;
1.139 +};
1.140 +
1.141 +/**
1.142 + * Reference to the IO service singleton. May be null.
1.143 + */
1.144 +extern nsIOService* gIOService;
1.145 +
1.146 +#endif // nsIOService_h__
