gecko/dom/bluetooth/BluetoothOppManager.h

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/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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 mozilla_dom_bluetooth_bluetoothoppmanager_h__
#define mozilla_dom_bluetooth_bluetoothoppmanager_h__
#include "BluetoothCommon.h"
#include "BluetoothProfileManagerBase.h"
#include "BluetoothSocketObserver.h"
#include "DeviceStorage.h"
#include "mozilla/dom/ipc/Blob.h"
#include "mozilla/ipc/UnixSocket.h"
#include "nsCOMArray.h"
class nsIOutputStream;
class nsIInputStream;
BEGIN_BLUETOOTH_NAMESPACE
class BluetoothReplyRunnable;
class BluetoothSocket;
class ObexHeaderSet;
class BluetoothOppManager : public BluetoothSocketObserver
, public BluetoothProfileManagerBase
{
public:
/*
* Channel of reserved services are fixed values, please check
* function add_reserved_service_records() in
* external/bluetooth/bluez/src/adapter.c for more information.
*/
static const int DEFAULT_OPP_CHANNEL = 10;
static const int MAX_PACKET_LENGTH = 0xFFFE;
~BluetoothOppManager();
static BluetoothOppManager* Get();
void ClientDataHandler(mozilla::ipc::UnixSocketRawData* aMessage);
void ServerDataHandler(mozilla::ipc::UnixSocketRawData* aMessage);
/*
* If a application wnats to send a file, first, it needs to
* call Connect() to create a valid RFCOMM connection. After
* that, call SendFile()/StopSendingFile() to control file-sharing
* process. During the file transfering process, the application
* will receive several system messages which contain the processed
* percentage of file. At the end, the application will get another
* system message indicating that te process is complete, then it can
* either call Disconnect() to close RFCOMM connection or start another
* file-sending thread via calling SendFile() again.
*/
void Connect(const nsAString& aDeviceAddress,
BluetoothReplyRunnable* aRunnable);
void Disconnect();
bool Listen();
bool SendFile(const nsAString& aDeviceAddress, BlobParent* aBlob);
bool StopSendingFile();
bool ConfirmReceivingFile(bool aConfirm);
void SendConnectRequest();
void SendPutHeaderRequest(const nsAString& aFileName, int aFileSize);
void SendPutRequest(uint8_t* aFileBody, int aFileBodyLength);
void SendPutFinalRequest();
void SendDisconnectRequest();
void SendAbortRequest();
void ExtractPacketHeaders(const ObexHeaderSet& aHeader);
bool ExtractBlobHeaders();
nsresult HandleShutdown();
// Return true if there is an ongoing file-transfer session, please see
// Bug 827267 for more information.
bool IsTransferring();
void GetAddress(nsAString& aDeviceAddress);
// Implement interface BluetoothSocketObserver
void ReceiveSocketData(
BluetoothSocket* aSocket,
nsAutoPtr<mozilla::ipc::UnixSocketRawData>& aMessage) MOZ_OVERRIDE;
virtual void OnConnectSuccess(BluetoothSocket* aSocket) MOZ_OVERRIDE;
virtual void OnConnectError(BluetoothSocket* aSocket) MOZ_OVERRIDE;
virtual void OnDisconnect(BluetoothSocket* aSocket) MOZ_OVERRIDE;
virtual void OnGetServiceChannel(const nsAString& aDeviceAddress,
const nsAString& aServiceUuid,
int aChannel) MOZ_OVERRIDE;
virtual void OnUpdateSdpRecords(const nsAString& aDeviceAddress) MOZ_OVERRIDE;
private:
BluetoothOppManager();
void StartFileTransfer();
void StartSendingNextFile();
void FileTransferComplete();
void UpdateProgress();
void ReceivingFileConfirmation();
bool CreateFile();
bool WriteToFile(const uint8_t* aData, int aDataLength);
void DeleteReceivedFile();
void ReplyToConnect();
void ReplyToDisconnectOrAbort();
void ReplyToPut(bool aFinal, bool aContinue);
void AfterOppConnected();
void AfterFirstPut();
void AfterOppDisconnected();
void ValidateFileName();
bool IsReservedChar(PRUnichar c);
void ClearQueue();
void RetrieveSentFileName();
void NotifyAboutFileChange();
/**
* OBEX session status.
* Set when OBEX session is established.
*/
bool mConnected;
nsString mConnectedDeviceAddress;
/**
* Remote information
*/
uint8_t mRemoteObexVersion;
uint8_t mRemoteConnectionFlags;
int mRemoteMaxPacketLength;
/**
* For sending files, we decide our next action based on current command and
* previous one.
* For receiving files, we don't need previous command and it is set to 0
* as a default value.
*/
int mLastCommand;
int mPacketLeftLength;
int mBodySegmentLength;
int mReceivedDataBufferOffset;
int mUpdateProgressCounter;
/**
* When it is true and the target service on target device couldn't be found,
* refreshing SDP records is necessary.
*/
bool mNeedsUpdatingSdpRecords;
/**
* Set when StopSendingFile() is called.
*/
bool mAbortFlag;
/**
* Set when receiving the first PUT packet of a new file
*/
bool mNewFileFlag;
/**
* Set when receiving a PutFinal packet
*/
bool mPutFinalFlag;
/**
* Set when FileTransferComplete() is called
*/
bool mSendTransferCompleteFlag;
/**
* Set when a transfer is successfully completed.
*/
bool mSuccessFlag;
/**
* True: Receive file (Server)
* False: Send file (Client)
*/
bool mIsServer;
/**
* Set when receiving the first PUT packet and wait for
* ConfirmReceivingFile() to be called.
*/
bool mWaitingForConfirmationFlag;
nsAutoArrayPtr<uint8_t> mBodySegment;
nsAutoArrayPtr<uint8_t> mReceivedDataBuffer;
int mCurrentBlobIndex;
nsCOMPtr<nsIDOMBlob> mBlob;
nsCOMArray<nsIDOMBlob> mBlobs;
/**
* A seperate member thread is required because our read calls can block
* execution, which is not allowed to happen on the IOThread.
*
*/
nsCOMPtr<nsIThread> mReadFileThread;
nsCOMPtr<nsIOutputStream> mOutputStream;
nsCOMPtr<nsIInputStream> mInputStream;
nsRefPtr<BluetoothReplyRunnable> mRunnable;
nsRefPtr<DeviceStorageFile> mDsFile;
// If a connection has been established, mSocket will be the socket
// communicating with the remote socket. We maintain the invariant that if
// mSocket is non-null, mRfcommSocket and mL2capSocket must be null (and vice
// versa).
nsRefPtr<BluetoothSocket> mSocket;
// Server sockets. Once an inbound connection is established, it will hand
// over the ownership to mSocket, and get a new server socket while Listen()
// is called.
nsRefPtr<BluetoothSocket> mRfcommSocket;
nsRefPtr<BluetoothSocket> mL2capSocket;
};
END_BLUETOOTH_NAMESPACE
#endif