toolkit/components/url-classifier/src/nsUrlClassifierStreamUpdater.h

   1 //* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-/
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is Url Classifier code
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Google Inc.
  19  * Portions created by the Initial Developer are Copyright (C) 2006
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Tony Chang <tony@ponderer.org> (original author)
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #ifndef nsUrlClassifierStreamUpdater_h_
  40 #define nsUrlClassifierStreamUpdater_h_
  41
  42 #include <nsISupportsUtils.h>
  43
  44 #include "nsCOMPtr.h"
  45 #include "nsIObserver.h"
  46 #include "nsIUrlClassifierStreamUpdater.h"
  47 #include "nsIStreamListener.h"
  48 #include "nsNetUtil.h"
  49 #include "nsTArray.h"
  50 #include "nsIBadCertListener2.h"
  51 #include "nsISSLErrorListener.h"
  52 #include "nsITimer.h"
  53
  54 // Forward declare pointers
  55 class nsIURI;
  56
  57 class nsUrlClassifierStreamUpdater : public nsIUrlClassifierStreamUpdater,
  58                                      public nsIUrlClassifierUpdateObserver,
  59                                      public nsIStreamListener,
  60                                      public nsIObserver,
  61                                      public nsIBadCertListener2,
  62                                      public nsISSLErrorListener,
  63                                      public nsIInterfaceRequestor,
  64                                      public nsITimerCallback
  65 {
  66 public:
  67   nsUrlClassifierStreamUpdater();
  68
  69   NS_DECL_ISUPPORTS
  70   NS_DECL_NSIURLCLASSIFIERSTREAMUPDATER
  71   NS_DECL_NSIURLCLASSIFIERUPDATEOBSERVER
  72   NS_DECL_NSIINTERFACEREQUESTOR
  73   NS_DECL_NSIREQUESTOBSERVER
  74   NS_DECL_NSISTREAMLISTENER
  75   NS_DECL_NSIBADCERTLISTENER2
  76   NS_DECL_NSISSLERRORLISTENER
  77   NS_DECL_NSIOBSERVER
  78   NS_DECL_NSITIMERCALLBACK
  79
  80 private:
  81   // No subclassing
  82   ~nsUrlClassifierStreamUpdater() {}
  83
  84   // When the dbservice sends an UpdateComplete or UpdateFailure, we call this
  85   // to reset the stream updater.
  86   void DownloadDone();
  87
  88   // Disallow copy constructor
  89   nsUrlClassifierStreamUpdater(nsUrlClassifierStreamUpdater&);
  90
  91   nsresult AddRequestBody(const nsACString &aRequestBody);
  92
  93   nsresult FetchUpdate(nsIURI *aURI,
  94                        const nsACString &aRequestBody,
  95                        const nsACString &aTable,
  96                        const nsACString &aServerMAC);
  97   nsresult FetchUpdate(const nsACString &aURI,
  98                        const nsACString &aRequestBody,
  99                        const nsACString &aTable,
 100                        const nsACString &aServerMAC);
 101
 102   nsresult FetchNext();
 103
 104   PRBool mIsUpdating;
 105   PRBool mInitialized;
 106   PRBool mDownloadError;
 107   PRBool mBeganStream;
 108   nsCOMPtr<nsIURI> mUpdateUrl;
 109   nsCString mStreamTable;
 110   nsCString mServerMAC;
 111   nsCOMPtr<nsIChannel> mChannel;
 112   nsCOMPtr<nsIUrlClassifierDBService> mDBService;
 113   nsCOMPtr<nsITimer> mTimer;
 114
 115   struct PendingUpdate {
 116     nsCString mUrl;
 117     nsCString mTable;
 118     nsCString mServerMAC;
 119   };
 120   nsTArray<PendingUpdate> mPendingUpdates;
 121
 122   nsCOMPtr<nsIUrlClassifierCallback> mSuccessCallback;
 123   nsCOMPtr<nsIUrlClassifierCallback> mUpdateErrorCallback;
 124   nsCOMPtr<nsIUrlClassifierCallback> mDownloadErrorCallback;
 125 };
 126
 127 #endif // nsUrlClassifierStreamUpdater_h_