mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
834 lines
24 KiB
C++
834 lines
24 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "BluetoothDaemonInterface.h"
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#include <cutils/properties.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include "BluetoothDaemonA2dpInterface.h"
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#include "BluetoothDaemonAvrcpInterface.h"
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#include "BluetoothDaemonCoreInterface.h"
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#include "BluetoothDaemonGattInterface.h"
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#include "BluetoothDaemonHandsfreeInterface.h"
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#include "BluetoothDaemonHelpers.h"
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#include "BluetoothDaemonSetupInterface.h"
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#include "BluetoothDaemonSocketInterface.h"
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#include "mozilla/ipc/DaemonRunnables.h"
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#include "mozilla/ipc/DaemonSocket.h"
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#include "mozilla/ipc/DaemonSocketConnector.h"
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#include "mozilla/ipc/ListenSocket.h"
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#include "mozilla/unused.h"
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BEGIN_BLUETOOTH_NAMESPACE
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using namespace mozilla::ipc;
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static const int sRetryInterval = 100; // ms
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BluetoothNotificationHandler*
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BluetoothDaemonInterface::sNotificationHandler;
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//
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// Protocol handling
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//
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// |BluetoothDaemonProtocol| is the central class for communicating
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// with the Bluetooth daemon. It maintains both socket connections
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// to the external daemon and implements the complete HAL protocol
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// by inheriting from base-class modules.
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//
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// Each |BluetoothDaemon*Module| class implements an individual
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// module of the HAL protocol. Each class contains the abstract
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// method
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//
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// - |Send|.
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//
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// Module classes use |Send| to send out command PDUs. The socket
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// in |BluetoothDaemonProtocol| is required for sending. The abstract
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// method hides all these internal details from the modules.
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//
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// |BluetoothDaemonProtocol| also handles PDU receiving. It implements
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// the method |Handle| from |DaemonSocketIOConsumer|. The socket
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// connections of type |DaemonSocket| invoke this method
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// to forward received PDUs for processing by higher layers. The
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// implementation of |Handle| checks the service id of the PDU and
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// forwards it to the correct module class using the module's method
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// |HandleSvc|. Further PDU processing is module-dependent.
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//
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// To summarize the interface between |BluetoothDaemonProtocol| and
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// modules; the former implements the abstract method
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//
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// - |Send|,
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//
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// which allow modules to send out data. Each module implements the
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// method
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//
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// - |HandleSvc|,
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//
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// which is called by |BluetoothDaemonProtcol| to hand over received
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// PDUs into a module.
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//
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class BluetoothDaemonProtocol final
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: public DaemonSocketIOConsumer
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, public BluetoothDaemonSetupModule
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, public BluetoothDaemonCoreModule
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, public BluetoothDaemonSocketModule
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, public BluetoothDaemonHandsfreeModule
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, public BluetoothDaemonA2dpModule
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, public BluetoothDaemonAvrcpModule
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, public BluetoothDaemonGattModule
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{
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public:
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BluetoothDaemonProtocol();
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void SetConnection(DaemonSocket* aConnection);
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// Outgoing PDUs
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//
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nsresult Send(DaemonSocketPDU* aPDU,
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DaemonSocketResultHandler* aRes) override;
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void StoreResultHandler(const DaemonSocketPDU& aPDU) override;
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// Incoming PUDs
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//
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void Handle(DaemonSocketPDU& aPDU) override;
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already_AddRefed<DaemonSocketResultHandler> FetchResultHandler(
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const DaemonSocketPDUHeader& aHeader);
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private:
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void HandleSetupSvc(const DaemonSocketPDUHeader& aHeader,
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DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes);
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void HandleCoreSvc(const DaemonSocketPDUHeader& aHeader,
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DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes);
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void HandleSocketSvc(const DaemonSocketPDUHeader& aHeader,
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DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes);
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void HandleHandsfreeSvc(const DaemonSocketPDUHeader& aHeader,
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DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes);
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void HandleA2dpSvc(const DaemonSocketPDUHeader& aHeader,
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DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aUserData);
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void HandleAvrcpSvc(const DaemonSocketPDUHeader& aHeader,
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DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes);
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void HandleGattSvc(const DaemonSocketPDUHeader& aHeader,
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DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes);
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DaemonSocket* mConnection;
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nsTArray<RefPtr<DaemonSocketResultHandler>> mResQ;
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};
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BluetoothDaemonProtocol::BluetoothDaemonProtocol()
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{ }
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void
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BluetoothDaemonProtocol::SetConnection(DaemonSocket* aConnection)
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{
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mConnection = aConnection;
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}
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nsresult
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BluetoothDaemonProtocol::Send(DaemonSocketPDU* aPDU,
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DaemonSocketResultHandler* aRes)
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{
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MOZ_ASSERT(mConnection);
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MOZ_ASSERT(aPDU);
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aPDU->SetConsumer(this);
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aPDU->SetResultHandler(aRes);
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aPDU->UpdateHeader();
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if (mConnection->GetConnectionStatus() == SOCKET_DISCONNECTED) {
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BT_LOGR("Connection to Bluetooth daemon is closed.");
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return NS_ERROR_FAILURE;
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}
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mConnection->SendSocketData(aPDU); // Forward PDU to command channel
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return NS_OK;
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}
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void
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BluetoothDaemonProtocol::HandleSetupSvc(
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const DaemonSocketPDUHeader& aHeader, DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes)
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{
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BluetoothDaemonSetupModule::HandleSvc(aHeader, aPDU, aRes);
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}
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void
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BluetoothDaemonProtocol::HandleCoreSvc(
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const DaemonSocketPDUHeader& aHeader, DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes)
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{
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BluetoothDaemonCoreModule::HandleSvc(aHeader, aPDU, aRes);
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}
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void
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BluetoothDaemonProtocol::HandleSocketSvc(
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const DaemonSocketPDUHeader& aHeader, DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes)
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{
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BluetoothDaemonSocketModule::HandleSvc(aHeader, aPDU, aRes);
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}
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void
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BluetoothDaemonProtocol::HandleHandsfreeSvc(
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const DaemonSocketPDUHeader& aHeader, DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes)
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{
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BluetoothDaemonHandsfreeModule::HandleSvc(aHeader, aPDU, aRes);
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}
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void
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BluetoothDaemonProtocol::HandleA2dpSvc(
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const DaemonSocketPDUHeader& aHeader, DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes)
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{
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BluetoothDaemonA2dpModule::HandleSvc(aHeader, aPDU, aRes);
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}
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void
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BluetoothDaemonProtocol::HandleAvrcpSvc(
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const DaemonSocketPDUHeader& aHeader, DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes)
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{
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BluetoothDaemonAvrcpModule::HandleSvc(aHeader, aPDU, aRes);
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}
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void
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BluetoothDaemonProtocol::HandleGattSvc(
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const DaemonSocketPDUHeader& aHeader, DaemonSocketPDU& aPDU,
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DaemonSocketResultHandler* aRes)
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{
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BluetoothDaemonGattModule::HandleSvc(aHeader, aPDU, aRes);
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}
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void
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BluetoothDaemonProtocol::Handle(DaemonSocketPDU& aPDU)
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{
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static void (BluetoothDaemonProtocol::* const HandleSvc[])(
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const DaemonSocketPDUHeader&, DaemonSocketPDU&,
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DaemonSocketResultHandler*) = {
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[BluetoothDaemonSetupModule::SERVICE_ID] =
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&BluetoothDaemonProtocol::HandleSetupSvc,
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[BluetoothDaemonCoreModule::SERVICE_ID] =
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&BluetoothDaemonProtocol::HandleCoreSvc,
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[BluetoothDaemonSocketModule::SERVICE_ID] =
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&BluetoothDaemonProtocol::HandleSocketSvc,
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[0x03] = nullptr, // HID host
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[0x04] = nullptr, // PAN
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[BluetoothDaemonHandsfreeModule::SERVICE_ID] =
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&BluetoothDaemonProtocol::HandleHandsfreeSvc,
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[BluetoothDaemonA2dpModule::SERVICE_ID] =
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&BluetoothDaemonProtocol::HandleA2dpSvc,
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[0x07] = nullptr, // Health
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[BluetoothDaemonAvrcpModule::SERVICE_ID] =
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&BluetoothDaemonProtocol::HandleAvrcpSvc,
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[BluetoothDaemonGattModule::SERVICE_ID] =
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&BluetoothDaemonProtocol::HandleGattSvc
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};
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DaemonSocketPDUHeader header;
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if (NS_FAILED(UnpackPDU(aPDU, header)) ||
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NS_WARN_IF(!(header.mService < MOZ_ARRAY_LENGTH(HandleSvc))) ||
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NS_WARN_IF(!(HandleSvc[header.mService]))) {
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return;
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}
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RefPtr<DaemonSocketResultHandler> res = FetchResultHandler(header);
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(this->*(HandleSvc[header.mService]))(header, aPDU, res);
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}
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void
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BluetoothDaemonProtocol::StoreResultHandler(const DaemonSocketPDU& aPDU)
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{
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MOZ_ASSERT(!NS_IsMainThread());
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mResQ.AppendElement(aPDU.GetResultHandler());
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}
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already_AddRefed<DaemonSocketResultHandler>
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BluetoothDaemonProtocol::FetchResultHandler(
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const DaemonSocketPDUHeader& aHeader)
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{
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MOZ_ASSERT(!NS_IsMainThread());
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if (aHeader.mOpcode & 0x80) {
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return nullptr; // Ignore notifications
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}
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RefPtr<DaemonSocketResultHandler> userData = mResQ.ElementAt(0);
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mResQ.RemoveElementAt(0);
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return userData.forget();
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}
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//
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// Interface
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//
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static bool
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IsDaemonRunning()
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{
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char value[PROPERTY_VALUE_MAX];
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NS_WARN_IF(property_get("init.svc.bluetoothd", value, "") < 0);
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if (strcmp(value, "running")) {
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BT_LOGR("[RESTART] Bluetooth daemon state <%s>", value);
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return false;
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}
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return true;
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}
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BluetoothDaemonInterface*
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BluetoothDaemonInterface::GetInstance()
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{
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static BluetoothDaemonInterface* sBluetoothInterface;
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if (sBluetoothInterface) {
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return sBluetoothInterface;
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}
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sBluetoothInterface = new BluetoothDaemonInterface();
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return sBluetoothInterface;
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}
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BluetoothDaemonInterface::BluetoothDaemonInterface()
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{ }
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BluetoothDaemonInterface::~BluetoothDaemonInterface()
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{ }
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class BluetoothDaemonInterface::StartDaemonTask final : public Task
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{
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public:
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StartDaemonTask(BluetoothDaemonInterface* aInterface,
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const nsACString& aCommand)
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: mInterface(aInterface)
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, mCommand(aCommand)
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{
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MOZ_ASSERT(mInterface);
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}
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void Run() override
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{
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MOZ_ASSERT(NS_IsMainThread());
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BT_LOGR("Start Daemon Task");
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// Start Bluetooth daemon again
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if (NS_WARN_IF(property_set("ctl.start", mCommand.get()) < 0)) {
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mInterface->OnConnectError(CMD_CHANNEL);
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}
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// We're done if Bluetooth daemon is already running
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if (IsDaemonRunning()) {
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return;
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}
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// Otherwise try again later
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MessageLoop::current()->PostDelayedTask(FROM_HERE,
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new StartDaemonTask(mInterface, mCommand), sRetryInterval);
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}
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private:
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BluetoothDaemonInterface* mInterface;
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nsCString mCommand;
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};
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class BluetoothDaemonInterface::InitResultHandler final
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: public BluetoothSetupResultHandler
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{
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public:
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InitResultHandler(BluetoothDaemonInterface* aInterface,
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BluetoothResultHandler* aRes)
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: mInterface(aInterface)
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, mRes(aRes)
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, mRegisteredSocketModule(false)
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{
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MOZ_ASSERT(mInterface);
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}
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// We need to call methods from the |BluetoothResultHandler|. Since
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// we're already on the main thread and returned from Init, we don't
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// need to dispatch a new runnable.
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void OnError(BluetoothStatus aStatus) override
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (mRes) {
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mRes->OnError(aStatus);
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}
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}
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void RegisterModule() override
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mInterface->mProtocol);
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if (!mRegisteredSocketModule) {
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mRegisteredSocketModule = true;
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// Init, step 5: Register Socket module
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mInterface->mProtocol->RegisterModuleCmd(
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SETUP_SERVICE_ID_SOCKET,
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0x00,
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BluetoothDaemonSocketModule::MAX_NUM_CLIENTS, this);
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} else if (mRes) {
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// Init, step 6: Signal success to caller
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mRes->Init();
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}
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}
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private:
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BluetoothDaemonInterface* mInterface;
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RefPtr<BluetoothResultHandler> mRes;
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bool mRegisteredSocketModule;
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};
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/*
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* The init procedure consists of several steps.
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*
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* (1) Start listening for the command channel's socket connection: We
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* do this before anything else, so that we don't miss connection
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* requests from the Bluetooth daemon. This step will create a
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* listen socket.
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*
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* (2) Start the Bluetooth daemon: When the daemon starts up it will
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* open two socket connections to Gecko and thus create the command
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* and notification channels. Gecko already opened the listen socket
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* in step (1). Step (2) ends with the creation of the command channel.
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*
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* (3) Start listening for the notification channel's socket connection:
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* At the end of step (2), the command channel was opened by the
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* daemon. In step (3), the daemon immediately tries to open the
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* next socket for the notification channel. Gecko will accept the
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* incoming connection request for the notification channel. The
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* listen socket remained open after step (2), so there's no race
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* condition between Gecko and the Bluetooth daemon.
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*
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* (4)(5) Register Core and Socket modules: The Core and Socket modules
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* are always available and have to be registered after opening the
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* socket connections during the initialization.
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*
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* (6) Signal success to the caller.
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*
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* If any step fails, we roll-back the procedure and signal an error to the
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* caller.
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*/
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void
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BluetoothDaemonInterface::Init(
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BluetoothNotificationHandler* aNotificationHandler,
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BluetoothResultHandler* aRes)
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{
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#define BASE_SOCKET_NAME "bluetoothd"
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static unsigned long POSTFIX_LENGTH = 16;
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// First of all, we set the notification handler. Backend crashes
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// will be reported this way.
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sNotificationHandler = aNotificationHandler;
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// If we could not cleanup properly before and an old
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// instance of the daemon is still running, we kill it
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// here.
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Unused << NS_WARN_IF(property_set("ctl.stop", "bluetoothd"));
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mResultHandlerQ.AppendElement(aRes);
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if (!mProtocol) {
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mProtocol = new BluetoothDaemonProtocol();
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}
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if (!mListenSocket) {
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mListenSocket = new ListenSocket(this, LISTEN_SOCKET);
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}
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// Init, step 1: Listen for command channel... */
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if (!mCmdChannel) {
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mCmdChannel = new DaemonSocket(mProtocol, this, CMD_CHANNEL);
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} else if (
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NS_WARN_IF(mCmdChannel->GetConnectionStatus() == SOCKET_CONNECTED)) {
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// Command channel should not be open; let's close it.
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mCmdChannel->Close();
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}
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// The listen socket's name is generated with a random postfix. This
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// avoids naming collisions if we still have a listen socket from a
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// previously failed cleanup. It also makes it hard for malicious
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// external programs to capture the socket name or connect before
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// the daemon can do so. If no random postfix can be generated, we
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// simply use the base name as-is.
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nsresult rv = DaemonSocketConnector::CreateRandomAddressString(
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NS_LITERAL_CSTRING(BASE_SOCKET_NAME), POSTFIX_LENGTH, mListenSocketName);
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if (NS_FAILED(rv)) {
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mListenSocketName.AssignLiteral(BASE_SOCKET_NAME);
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}
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rv = mListenSocket->Listen(new DaemonSocketConnector(mListenSocketName),
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mCmdChannel);
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if (NS_FAILED(rv)) {
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OnConnectError(CMD_CHANNEL);
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return;
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}
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// The protocol implementation needs a command channel for
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// sending commands to the daemon. We set it here, because
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// this is the earliest time when it's available.
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mProtocol->SetConnection(mCmdChannel);
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}
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class BluetoothDaemonInterface::CleanupResultHandler final
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: public BluetoothSetupResultHandler
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{
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public:
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CleanupResultHandler(BluetoothDaemonInterface* aInterface)
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: mInterface(aInterface)
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, mUnregisteredCoreModule(false)
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{
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MOZ_ASSERT(mInterface);
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}
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void OnError(BluetoothStatus aStatus) override
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{
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Proceed();
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}
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void UnregisterModule() override
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{
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Proceed();
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}
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private:
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void Proceed()
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mInterface->mProtocol);
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if (!mUnregisteredCoreModule) {
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mUnregisteredCoreModule = true;
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// Cleanup, step 2: Unregister Core module
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mInterface->mProtocol->UnregisterModuleCmd(SETUP_SERVICE_ID_CORE, this);
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} else {
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// Cleanup, step 3: Close command channel
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mInterface->mCmdChannel->Close();
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}
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}
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|
|
|
BluetoothDaemonInterface* mInterface;
|
|
bool mUnregisteredCoreModule;
|
|
};
|
|
|
|
/*
|
|
* Cleaning up is inverse to initialization, except for the shutdown
|
|
* of the socket connections in step (3)
|
|
*
|
|
* (1)(2) Unregister Socket and Core modules: These modules have been
|
|
* registered during initialization and need to be unregistered
|
|
* here. We assume that all other modules are already unregistered.
|
|
*
|
|
* (3) Close command socket: We only close the command socket. The
|
|
* daemon will then send any final notifications and close the
|
|
* notification socket on its side. Once we see the notification
|
|
* socket's disconnect, we continue with the cleanup.
|
|
*
|
|
* (4) Close listen socket: The listen socket is not active any longer
|
|
* and we simply close it.
|
|
*
|
|
* (5) Signal success to the caller.
|
|
*
|
|
* We don't have to stop the daemon explicitly. It will cleanup and quit
|
|
* after it closed the notification socket.
|
|
*
|
|
* Rolling-back half-completed cleanups is not possible. In the case of
|
|
* an error, we simply push forward and try to recover during the next
|
|
* initialization.
|
|
*/
|
|
void
|
|
BluetoothDaemonInterface::Cleanup(BluetoothResultHandler* aRes)
|
|
{
|
|
sNotificationHandler = nullptr;
|
|
|
|
// Cleanup, step 1: Unregister Socket module
|
|
nsresult rv = mProtocol->UnregisterModuleCmd(
|
|
SETUP_SERVICE_ID_SOCKET, new CleanupResultHandler(this));
|
|
if (NS_FAILED(rv)) {
|
|
DispatchError(aRes, rv);
|
|
return;
|
|
}
|
|
|
|
mResultHandlerQ.AppendElement(aRes);
|
|
}
|
|
|
|
void
|
|
BluetoothDaemonInterface::DispatchError(BluetoothResultHandler* aRes,
|
|
BluetoothStatus aStatus)
|
|
{
|
|
DaemonResultRunnable1<
|
|
BluetoothResultHandler, void, BluetoothStatus, BluetoothStatus>::Dispatch(
|
|
aRes, &BluetoothResultHandler::OnError,
|
|
ConstantInitOp1<BluetoothStatus>(aStatus));
|
|
}
|
|
|
|
void
|
|
BluetoothDaemonInterface::DispatchError(BluetoothResultHandler* aRes,
|
|
nsresult aRv)
|
|
{
|
|
BluetoothStatus status;
|
|
|
|
if (NS_WARN_IF(NS_FAILED(Convert(aRv, status)))) {
|
|
status = STATUS_FAIL;
|
|
}
|
|
DispatchError(aRes, status);
|
|
}
|
|
|
|
// Service Interfaces
|
|
//
|
|
|
|
BluetoothSetupInterface*
|
|
BluetoothDaemonInterface::GetBluetoothSetupInterface()
|
|
{
|
|
if (mSetupInterface) {
|
|
return mSetupInterface;
|
|
}
|
|
|
|
mSetupInterface = new BluetoothDaemonSetupInterface(mProtocol);
|
|
|
|
return mSetupInterface;
|
|
}
|
|
|
|
BluetoothCoreInterface*
|
|
BluetoothDaemonInterface::GetBluetoothCoreInterface()
|
|
{
|
|
if (mCoreInterface) {
|
|
return mCoreInterface;
|
|
}
|
|
|
|
mCoreInterface = new BluetoothDaemonCoreInterface(mProtocol);
|
|
|
|
return mCoreInterface;
|
|
}
|
|
|
|
BluetoothSocketInterface*
|
|
BluetoothDaemonInterface::GetBluetoothSocketInterface()
|
|
{
|
|
if (mSocketInterface) {
|
|
return mSocketInterface;
|
|
}
|
|
|
|
mSocketInterface = new BluetoothDaemonSocketInterface(mProtocol);
|
|
|
|
return mSocketInterface;
|
|
}
|
|
|
|
BluetoothHandsfreeInterface*
|
|
BluetoothDaemonInterface::GetBluetoothHandsfreeInterface()
|
|
{
|
|
if (mHandsfreeInterface) {
|
|
return mHandsfreeInterface;
|
|
}
|
|
|
|
mHandsfreeInterface = new BluetoothDaemonHandsfreeInterface(mProtocol);
|
|
|
|
return mHandsfreeInterface;
|
|
}
|
|
|
|
BluetoothA2dpInterface*
|
|
BluetoothDaemonInterface::GetBluetoothA2dpInterface()
|
|
{
|
|
if (mA2dpInterface) {
|
|
return mA2dpInterface;
|
|
}
|
|
|
|
mA2dpInterface = new BluetoothDaemonA2dpInterface(mProtocol);
|
|
|
|
return mA2dpInterface;
|
|
}
|
|
|
|
BluetoothAvrcpInterface*
|
|
BluetoothDaemonInterface::GetBluetoothAvrcpInterface()
|
|
{
|
|
if (mAvrcpInterface) {
|
|
return mAvrcpInterface;
|
|
}
|
|
|
|
mAvrcpInterface = new BluetoothDaemonAvrcpInterface(mProtocol);
|
|
|
|
return mAvrcpInterface;
|
|
}
|
|
|
|
BluetoothGattInterface*
|
|
BluetoothDaemonInterface::GetBluetoothGattInterface()
|
|
{
|
|
if (mGattInterface) {
|
|
return mGattInterface;
|
|
}
|
|
|
|
mGattInterface = new BluetoothDaemonGattInterface(mProtocol);
|
|
|
|
return mGattInterface;
|
|
}
|
|
|
|
// |DaemonSocketConsumer|, |ListenSocketConsumer|
|
|
|
|
void
|
|
BluetoothDaemonInterface::OnConnectSuccess(int aIndex)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!mResultHandlerQ.IsEmpty());
|
|
|
|
switch (aIndex) {
|
|
case LISTEN_SOCKET: {
|
|
// Init, step 2: Start Bluetooth daemon */
|
|
nsCString value("bluetoothd:-a ");
|
|
value.Append(mListenSocketName);
|
|
if (NS_WARN_IF(property_set("ctl.start", value.get()) < 0)) {
|
|
OnConnectError(CMD_CHANNEL);
|
|
}
|
|
|
|
/*
|
|
* If Bluetooth daemon is not running, retry to start it later.
|
|
*
|
|
* This condition happens when when we restart Bluetooth daemon
|
|
* immediately after it crashed, as the daemon state remains 'stopping'
|
|
* instead of 'stopped'. Due to the limitation of property service,
|
|
* hereby add delay. See Bug 1143925 Comment 41.
|
|
*/
|
|
if (!IsDaemonRunning()) {
|
|
MessageLoop::current()->PostDelayedTask(FROM_HERE,
|
|
new StartDaemonTask(this, value), sRetryInterval);
|
|
}
|
|
}
|
|
break;
|
|
case CMD_CHANNEL:
|
|
// Init, step 3: Listen for notification channel...
|
|
if (!mNtfChannel) {
|
|
mNtfChannel = new DaemonSocket(mProtocol, this, NTF_CHANNEL);
|
|
} else if (
|
|
NS_WARN_IF(mNtfChannel->GetConnectionStatus() == SOCKET_CONNECTED)) {
|
|
/* Notification channel should not be open; let's close it. */
|
|
mNtfChannel->Close();
|
|
}
|
|
if (NS_FAILED(mListenSocket->Listen(mNtfChannel))) {
|
|
OnConnectError(NTF_CHANNEL);
|
|
}
|
|
break;
|
|
case NTF_CHANNEL: {
|
|
RefPtr<BluetoothResultHandler> res = mResultHandlerQ.ElementAt(0);
|
|
mResultHandlerQ.RemoveElementAt(0);
|
|
|
|
// Init, step 4: Register Core module
|
|
nsresult rv = mProtocol->RegisterModuleCmd(
|
|
SETUP_SERVICE_ID_CORE,
|
|
0x00,
|
|
BluetoothDaemonCoreModule::MAX_NUM_CLIENTS,
|
|
new InitResultHandler(this, res));
|
|
if (NS_FAILED(rv) && res) {
|
|
DispatchError(res, STATUS_FAIL);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
BluetoothDaemonInterface::OnConnectError(int aIndex)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!mResultHandlerQ.IsEmpty());
|
|
|
|
switch (aIndex) {
|
|
case NTF_CHANNEL:
|
|
// Close command channel
|
|
mCmdChannel->Close();
|
|
case CMD_CHANNEL:
|
|
// Stop daemon and close listen socket
|
|
Unused << NS_WARN_IF(property_set("ctl.stop", "bluetoothd"));
|
|
mListenSocket->Close();
|
|
case LISTEN_SOCKET:
|
|
if (!mResultHandlerQ.IsEmpty()) {
|
|
// Signal error to caller
|
|
RefPtr<BluetoothResultHandler> res = mResultHandlerQ.ElementAt(0);
|
|
mResultHandlerQ.RemoveElementAt(0);
|
|
|
|
if (res) {
|
|
DispatchError(res, STATUS_FAIL);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Three cases for restarting:
|
|
* a) during startup
|
|
* b) during regular service
|
|
* c) during shutdown
|
|
* For (a)/(c) cases, mResultHandlerQ contains an element, but case (b)
|
|
* mResultHandlerQ shall be empty. The following procedure to recover from crashed
|
|
* consists of several steps for case (b).
|
|
* 1) Close listen socket.
|
|
* 2) Wait for all sockets disconnected and inform BluetoothServiceBluedroid to
|
|
* perform the regular stop bluetooth procedure.
|
|
* 3) When stop bluetooth procedures complete, fire
|
|
* AdapterStateChangedNotification to cleanup all necessary data members and
|
|
* deinit ProfileManagers.
|
|
* 4) After all resources cleanup, call |StartBluetooth|
|
|
*/
|
|
void
|
|
BluetoothDaemonInterface::OnDisconnect(int aIndex)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
switch (aIndex) {
|
|
case CMD_CHANNEL:
|
|
// We don't have to do anything here. Step 4 is triggered
|
|
// by the daemon.
|
|
break;
|
|
case NTF_CHANNEL:
|
|
// Cleanup, step 4 (Recovery, step 1): Close listen socket
|
|
mListenSocket->Close();
|
|
break;
|
|
case LISTEN_SOCKET:
|
|
if (!mResultHandlerQ.IsEmpty()) {
|
|
RefPtr<BluetoothResultHandler> res = mResultHandlerQ.ElementAt(0);
|
|
mResultHandlerQ.RemoveElementAt(0);
|
|
// Cleanup, step 5: Signal success to caller
|
|
if (res) {
|
|
res->Cleanup();
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* For recovery make sure all sockets disconnected, in order to avoid
|
|
* the remaining disconnects interfere with the restart procedure.
|
|
*/
|
|
if (sNotificationHandler && mResultHandlerQ.IsEmpty()) {
|
|
if (mListenSocket->GetConnectionStatus() == SOCKET_DISCONNECTED &&
|
|
mCmdChannel->GetConnectionStatus() == SOCKET_DISCONNECTED &&
|
|
mNtfChannel->GetConnectionStatus() == SOCKET_DISCONNECTED) {
|
|
// Assume daemon crashed during regular service; notify
|
|
// BluetoothServiceBluedroid to prepare restart-daemon procedure
|
|
sNotificationHandler->BackendErrorNotification(true);
|
|
sNotificationHandler = nullptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
END_BLUETOOTH_NAMESPACE
|