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lightning-sunbird  0.9+nobinonly
nsDNSService2.h
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00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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00014  * The Original Code is Mozilla.
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00016  * The Initial Developer of the Original Code is IBM Corporation.
00017  * Portions created by IBM Corporation are Copyright (C) 2003
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00021  *   IBM Corp.
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00023  * Alternatively, the contents of this file may be used under the terms of
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00036 
00037 #include "nsPIDNSService.h"
00038 #include "nsIIDNService.h"
00039 #include "nsIObserver.h"
00040 #include "nsHostResolver.h"
00041 #include "nsAutoPtr.h"
00042 #include "nsString.h"
00043 #include "prlock.h"
00044 
00045 class nsDNSService : public nsPIDNSService
00046                    , public nsIObserver
00047 {
00048 public:
00049     NS_DECL_ISUPPORTS
00050     NS_DECL_NSPIDNSSERVICE
00051     NS_DECL_NSIDNSSERVICE
00052     NS_DECL_NSIOBSERVER
00053 
00054     nsDNSService();
00055     ~nsDNSService();
00056 
00057 private:
00058     PRUint16 GetAFForLookup(const nsACString &host);
00059 
00060     nsRefPtr<nsHostResolver>  mResolver;
00061     nsCOMPtr<nsIIDNService>   mIDN;
00062 
00063     // mLock protects access to mResolver and mIPv4OnlyDomains
00064     PRLock                   *mLock;
00065 
00066     // mIPv4OnlyDomains is a comma-separated list of domains for which only
00067     // IPv4 DNS lookups are performed. This allows the user to disable IPv6 on
00068     // a per-domain basis and work around broken DNS servers. See bug 68796.
00069     nsAdoptingCString         mIPv4OnlyDomains;
00070     PRBool                    mDisableIPv6;
00071 };