forked from mirrors/gecko-dev
129 lines
4.3 KiB
C++
129 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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#ifndef nsUrlClassifierStreamUpdater_h_
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#define nsUrlClassifierStreamUpdater_h_
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#include "nsISupports.h"
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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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// Forward declare pointers
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class nsIURI;
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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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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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private:
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// No subclassing
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~nsUrlClassifierStreamUpdater() = default;
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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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// Disallow copy constructor
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nsUrlClassifierStreamUpdater(nsUrlClassifierStreamUpdater&);
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nsresult AddRequestBody(const nsACString& aRequestBody);
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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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// 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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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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bool mIsUpdating;
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bool mInitialized;
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bool mDownloadError;
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bool mBeganStream;
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nsCString mDownloadErrorStatusStr;
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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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nsCOMPtr<nsIChannel> mChannel;
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nsCOMPtr<nsIUrlClassifierDBService> mDBService;
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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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// 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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// Timer to abort the download if the server takes too long to respond.
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nsCOMPtr<nsITimer> mResponseTimeoutTimer;
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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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mozilla::UniquePtr<UpdateRequest> mCurrentRequest;
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nsTArray<UpdateRequest> mPendingRequests;
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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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// 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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#endif // nsUrlClassifierStreamUpdater_h_
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