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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef TRRServiceBase_h_
#define TRRServiceBase_h_
#include "mozilla/Atomics.h"
#include "mozilla/DataMutex.h"
#include "nsString.h"
#include "nsIDNSService.h"
#include "nsIProtocolProxyService2.h"
class nsICancelable;
class nsIProxyInfo;
namespace mozilla {
namespace net {
class nsHttpConnectionInfo;
static const char kRolloutURIPref[] = "doh-rollout.uri";
static const char kRolloutModePref[] = "doh-rollout.mode";
class TRRServiceBase : public nsIProxyConfigChangedCallback {
public:
NS_DECL_THREADSAFE_ISUPPORTS
TRRServiceBase();
nsIDNSService::ResolverMode Mode() { return mMode; }
virtual void GetURI(nsACString& result) = 0;
already_AddRefed<nsHttpConnectionInfo> TRRConnectionInfo();
// Called to initialize the connection info. Once the connection info is
// created first time, mTRRConnectionInfoInited will be set to true.
virtual void InitTRRConnectionInfo();
bool TRRConnectionInfoInited() const { return mTRRConnectionInfoInited; }
protected:
virtual ~TRRServiceBase();
virtual bool MaybeSetPrivateURI(const nsACString& aURI) = 0;
void ProcessURITemplate(nsACString& aURI);
// Checks the network.trr.uri or the doh-rollout.uri prefs and sets the URI
// in order of preference:
// 1. The value of network.trr.uri if it is not the default one, meaning
// is was set by an explicit user action
// 2. The value of doh-rollout.uri if it exists
// this is set by the rollout addon
// 3. The default value of network.trr.uri
void CheckURIPrefs();
void OnTRRModeChange();
void OnTRRURIChange();
virtual void ReadEtcHostsFile() {}
// Called to create a connection info that will be used by TRRServiceChannel.
// Note that when this function is called, mDefaultTRRConnectionInfo will be
// set to null to invalidate the connection info.
// When the connection info is created, SetDefaultTRRConnectionInfo() is
// called to set the result to mDefaultTRRConnectionInfo.
// Note that this method does nothing when mTRRConnectionInfoInited is false.
// We want to starting updating the connection info after it's create first
// time.
void AsyncCreateTRRConnectionInfo(const nsACString& aURI);
void AsyncCreateTRRConnectionInfoInternal(const nsACString& aURI);
virtual void SetDefaultTRRConnectionInfo(nsHttpConnectionInfo* aConnInfo);
void RegisterProxyChangeListener();
void UnregisterProxyChangeListener();
nsCString mPrivateURI;
// Pref caches should only be used on the main thread.
nsCString mURIPref;
nsCString mRolloutURIPref;
nsCString mDefaultURIPref;
Atomic<nsIDNSService::ResolverMode, Relaxed> mMode{
nsIDNSService::MODE_NATIVEONLY};
Atomic<bool, Relaxed> mURISetByDetection{false};
Atomic<bool, Relaxed> mTRRConnectionInfoInited{false};
DataMutex<RefPtr<nsHttpConnectionInfo>> mDefaultTRRConnectionInfo;
};
} // namespace net
} // namespace mozilla
#endif // TRRServiceBase_h_