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ca325c9add
This patch consists of the changes generated by running `./mach static-analysis check --fix` on `netwerk/dns` after adding the `modernize-use-default-member-init` clang-tidy lint. Some additional changes were made by hand to ensure consistent results. This patch ensures that all member variables are initialized in the header, so when adding or changing constructors we don't miss one resulting in uninitialized memory. Differential Revision: https://phabricator.services.mozilla.com/D109339
149 lines
5.1 KiB
C++
149 lines
5.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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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 mozilla_net_DNSRequestBase_h
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#define mozilla_net_DNSRequestBase_h
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#include "mozilla/net/PDNSRequestParent.h"
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#include "nsICancelable.h"
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#include "nsIDNSRecord.h"
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#include "nsIDNSListener.h"
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#include "nsIDNSByTypeRecord.h"
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#include "nsIEventTarget.h"
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namespace mozilla {
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namespace net {
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class DNSRequestActor;
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class DNSRequestChild;
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class DNSRequestHandler;
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class DNSRequestParent;
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class DNSRequestSender;
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// A base class for DNSRequestSender and DNSRequestHandler.
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// Provide interfaces for processing DNS requests.
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class DNSRequestBase : public nsISupports {
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public:
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explicit DNSRequestBase() = default;
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void SetIPCActor(DNSRequestActor* aActor);
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virtual void OnRecvCancelDNSRequest(const nsCString& hostName,
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const nsCString& trrServer,
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const uint16_t& type,
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const OriginAttributes& originAttributes,
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const uint32_t& flags,
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const nsresult& reason) = 0;
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virtual bool OnRecvLookupCompleted(const DNSRequestResponse& reply) = 0;
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virtual void OnIPCActorDestroy() = 0;
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virtual DNSRequestSender* AsDNSRequestSender() = 0;
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virtual DNSRequestHandler* AsDNSRequestHandler() = 0;
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protected:
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virtual ~DNSRequestBase() = default;
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RefPtr<DNSRequestActor> mIPCActor;
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};
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// DNSRequestSender is used to send an IPC request to DNSRequestHandler and
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// deliver the result to nsIDNSListener.
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// Note this class could be used both in content process and parent process.
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class DNSRequestSender final : public DNSRequestBase, public nsICancelable {
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSICANCELABLE
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DNSRequestSender(const nsACString& aHost, const nsACString& aTrrServer,
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const uint16_t& aType,
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const OriginAttributes& aOriginAttributes,
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const uint32_t& aFlags, nsIDNSListener* aListener,
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nsIEventTarget* target);
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void OnRecvCancelDNSRequest(const nsCString& hostName,
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const nsCString& trrServer, const uint16_t& type,
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const OriginAttributes& originAttributes,
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const uint32_t& flags,
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const nsresult& reason) override;
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bool OnRecvLookupCompleted(const DNSRequestResponse& reply) override;
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void OnIPCActorDestroy() override;
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// Sends IPDL request to DNSRequestHandler
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void StartRequest();
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void CallOnLookupComplete();
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DNSRequestSender* AsDNSRequestSender() override { return this; }
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DNSRequestHandler* AsDNSRequestHandler() override { return nullptr; }
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private:
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friend class ChildDNSService;
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virtual ~DNSRequestSender() = default;
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nsCOMPtr<nsIDNSListener> mListener;
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nsCOMPtr<nsIEventTarget> mTarget;
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nsCOMPtr<nsIDNSRecord> mResultRecord;
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nsresult mResultStatus = NS_OK;
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nsCString mHost;
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nsCString mTrrServer;
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uint16_t mType = 0;
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const OriginAttributes mOriginAttributes;
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uint16_t mFlags = 0;
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};
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// DNSRequestHandler handles the dns request and sends the result back via IPC.
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// Note this class could be used both in parent process and socket process.
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class DNSRequestHandler final : public DNSRequestBase, public nsIDNSListener {
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIDNSLISTENER
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DNSRequestHandler() = default;
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void DoAsyncResolve(const nsACString& hostname, const nsACString& trrServer,
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uint16_t type, const OriginAttributes& originAttributes,
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uint32_t flags);
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void OnRecvCancelDNSRequest(const nsCString& hostName,
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const nsCString& trrServer, const uint16_t& type,
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const OriginAttributes& originAttributes,
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const uint32_t& flags,
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const nsresult& reason) override;
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bool OnRecvLookupCompleted(const DNSRequestResponse& reply) override;
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void OnIPCActorDestroy() override;
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DNSRequestSender* AsDNSRequestSender() override { return nullptr; }
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DNSRequestHandler* AsDNSRequestHandler() override { return this; }
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private:
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virtual ~DNSRequestHandler() = default;
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uint32_t mFlags = 0;
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};
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// Provides some common methods for DNSRequestChild and DNSRequestParent.
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class DNSRequestActor {
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public:
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NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
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explicit DNSRequestActor(DNSRequestBase* aRequest) : mDNSRequest(aRequest) {}
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virtual bool CanSend() const = 0;
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virtual DNSRequestChild* AsDNSRequestChild() = 0;
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virtual DNSRequestParent* AsDNSRequestParent() = 0;
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DNSRequestBase* GetDNSRequest() { return mDNSRequest.get(); };
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protected:
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virtual ~DNSRequestActor() = default;
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RefPtr<DNSRequestBase> mDNSRequest;
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};
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} // namespace net
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} // namespace mozilla
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#endif // mozilla_net_DNSRequestBase_h
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