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	 8ad76c7e47
			
		
	
	
		8ad76c7e47
		
	
	
	
	
		
			
			Depends on D66008 Differential Revision: https://phabricator.services.mozilla.com/D66010 --HG-- extra : moz-landing-system : lando
		
			
				
	
	
		
			131 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-/
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #ifndef nsUrlClassifierStreamUpdater_h_
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| #define nsUrlClassifierStreamUpdater_h_
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| 
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| #include <nsISupportsUtils.h>
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| 
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| #include "nsCOMPtr.h"
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| #include "nsINamed.h"
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| #include "nsIObserver.h"
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| #include "nsIUrlClassifierStreamUpdater.h"
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| #include "nsIStreamListener.h"
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| #include "nsIChannel.h"
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| #include "nsTArray.h"
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| #include "nsITimer.h"
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| #include "mozilla/Attributes.h"
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| 
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| // Forward declare pointers
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| class nsIURI;
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| 
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| class nsUrlClassifierStreamUpdater final
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|     : public nsIUrlClassifierStreamUpdater,
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|       public nsIUrlClassifierUpdateObserver,
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|       public nsIStreamListener,
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|       public nsIObserver,
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|       public nsIInterfaceRequestor,
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|       public nsITimerCallback,
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|       public nsINamed {
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|  public:
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|   nsUrlClassifierStreamUpdater();
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| 
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|   NS_DECL_THREADSAFE_ISUPPORTS
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|   NS_DECL_NSIURLCLASSIFIERSTREAMUPDATER
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|   NS_DECL_NSIURLCLASSIFIERUPDATEOBSERVER
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|   NS_DECL_NSIINTERFACEREQUESTOR
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|   NS_DECL_NSIREQUESTOBSERVER
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|   NS_DECL_NSISTREAMLISTENER
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|   NS_DECL_NSIOBSERVER
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|   NS_DECL_NSITIMERCALLBACK
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|   NS_DECL_NSINAMED
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| 
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|  private:
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|   // No subclassing
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|   ~nsUrlClassifierStreamUpdater() = default;
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| 
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|   // When the dbservice sends an UpdateComplete or UpdateFailure, we call this
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|   // to reset the stream updater.
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|   void DownloadDone();
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| 
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|   // Disallow copy constructor
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|   nsUrlClassifierStreamUpdater(nsUrlClassifierStreamUpdater&);
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| 
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|   nsresult AddRequestBody(const nsACString& aRequestBody);
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| 
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|   // Fetches an update for a single table.
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|   nsresult FetchUpdate(nsIURI* aURI, const nsACString& aRequest,
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|                        bool aIsPostRequest, const nsACString& aTable);
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|   // Dumb wrapper so we don't have to create URIs.
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|   nsresult FetchUpdate(const nsACString& aURI, const nsACString& aRequest,
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|                        bool aIsPostRequest, const nsACString& aTable);
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| 
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|   // Fetches the next table, from mPendingUpdates.
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|   nsresult FetchNext();
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|   // Fetches the next request, from mPendingRequests
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|   nsresult FetchNextRequest();
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| 
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|   struct UpdateRequest {
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|     nsCString mTables;
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|     nsCString mRequestPayload;
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|     bool mIsPostRequest;
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|     nsCString mUrl;
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|     nsCOMPtr<nsIUrlClassifierCallback> mSuccessCallback;
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|     nsCOMPtr<nsIUrlClassifierCallback> mUpdateErrorCallback;
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|     nsCOMPtr<nsIUrlClassifierCallback> mDownloadErrorCallback;
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|   };
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|   // Utility function to create an update request.
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|   void BuildUpdateRequest(const nsACString& aRequestTables,
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|                           const nsACString& aRequestPayload,
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|                           bool aIsPostRequest, const nsACString& aUpdateUrl,
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|                           nsIUrlClassifierCallback* aSuccessCallback,
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|                           nsIUrlClassifierCallback* aUpdateErrorCallback,
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|                           nsIUrlClassifierCallback* aDownloadErrorCallback,
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|                           UpdateRequest* aRequest);
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| 
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|   bool mIsUpdating;
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|   bool mInitialized;
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|   bool mDownloadError;
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|   bool mBeganStream;
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| 
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|   nsCString mDownloadErrorStatusStr;
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| 
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|   // Note that mStreamTable is only used by v2, it is empty for v4 update.
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|   nsCString mStreamTable;
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| 
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|   nsCOMPtr<nsIChannel> mChannel;
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|   nsCOMPtr<nsIUrlClassifierDBService> mDBService;
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| 
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|   // In v2, a update response might contain redirection and this
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|   // timer is for fetching the redirected update.
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|   nsCOMPtr<nsITimer> mFetchIndirectUpdatesTimer;
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| 
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|   // When we DownloadUpdate(), the DBService might be busy on processing
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|   // request issused outside of StreamUpdater. We have to fire a timer to
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|   // retry on our own.
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|   nsCOMPtr<nsITimer> mFetchNextRequestTimer;
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| 
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|   // Timer to abort the download if the server takes too long to respond.
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|   nsCOMPtr<nsITimer> mResponseTimeoutTimer;
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| 
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|   // Timer to abort the download if it takes too long.
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|   nsCOMPtr<nsITimer> mTimeoutTimer;
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| 
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|   mozilla::UniquePtr<UpdateRequest> mCurrentRequest;
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|   nsTArray<UpdateRequest> mPendingRequests;
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| 
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|   struct PendingUpdate {
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|     nsCString mUrl;
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|     nsCString mTable;
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|   };
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|   nsTArray<PendingUpdate> mPendingUpdates;
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| 
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|   // The provider for current update request and should be only used by
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|   // telemetry since it would show up as "other" for any other providers.
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|   nsCString mTelemetryProvider;
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|   PRIntervalTime mTelemetryClockStart;
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| };
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| 
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| #endif  // nsUrlClassifierStreamUpdater_h_
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