1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/bluetooth/bluedroid/BluetoothOppManager.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,1488 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "base/basictypes.h"
1.11 +#include "BluetoothOppManager.h"
1.12 +
1.13 +#include "BluetoothService.h"
1.14 +#include "BluetoothSocket.h"
1.15 +#include "BluetoothUtils.h"
1.16 +#include "BluetoothUuid.h"
1.17 +#include "ObexBase.h"
1.18 +
1.19 +#include "mozilla/dom/bluetooth/BluetoothTypes.h"
1.20 +#include "mozilla/RefPtr.h"
1.21 +#include "mozilla/Services.h"
1.22 +#include "mozilla/StaticPtr.h"
1.23 +#include "nsAutoPtr.h"
1.24 +#include "nsCExternalHandlerService.h"
1.25 +#include "nsIObserver.h"
1.26 +#include "nsIObserverService.h"
1.27 +#include "nsIDOMFile.h"
1.28 +#include "nsIFile.h"
1.29 +#include "nsIInputStream.h"
1.30 +#include "nsIMIMEService.h"
1.31 +#include "nsIOutputStream.h"
1.32 +#include "nsIVolumeService.h"
1.33 +#include "nsNetUtil.h"
1.34 +#include "nsServiceManagerUtils.h"
1.35 +
1.36 +#define TARGET_SUBDIR "Download/Bluetooth/"
1.37 +
1.38 +USING_BLUETOOTH_NAMESPACE
1.39 +using namespace mozilla;
1.40 +using namespace mozilla::ipc;
1.41 +
1.42 +namespace {
1.43 +// Sending system message "bluetooth-opp-update-progress" every 50kb
1.44 +static const uint32_t kUpdateProgressBase = 50 * 1024;
1.45 +
1.46 +/*
1.47 + * The format of the header of an PUT request is
1.48 + * [opcode:1][packet length:2][headerId:1][header length:2]
1.49 + */
1.50 +static const uint32_t kPutRequestHeaderSize = 6;
1.51 +
1.52 +/*
1.53 + * The format of the appended header of an PUT request is
1.54 + * [headerId:1][header length:4]
1.55 + * P.S. Length of name header is 4 since unicode is 2 bytes per char.
1.56 + */
1.57 +static const uint32_t kPutRequestAppendHeaderSize = 5;
1.58 +
1.59 +StaticRefPtr<BluetoothOppManager> sBluetoothOppManager;
1.60 +static bool sInShutdown = false;
1.61 +}
1.62 +
1.63 +class mozilla::dom::bluetooth::SendFileBatch {
1.64 +public:
1.65 + SendFileBatch(const nsAString& aDeviceAddress, nsIDOMBlob* aBlob)
1.66 + : mDeviceAddress(aDeviceAddress)
1.67 + {
1.68 + mBlobs.AppendElement(aBlob);
1.69 + }
1.70 +
1.71 + nsString mDeviceAddress;
1.72 + nsCOMArray<nsIDOMBlob> mBlobs;
1.73 +};
1.74 +
1.75 +NS_IMETHODIMP
1.76 +BluetoothOppManager::Observe(nsISupports* aSubject,
1.77 + const char* aTopic,
1.78 + const char16_t* aData)
1.79 +{
1.80 + MOZ_ASSERT(sBluetoothOppManager);
1.81 +
1.82 + if (!strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID)) {
1.83 + HandleShutdown();
1.84 + return NS_OK;
1.85 + }
1.86 +
1.87 + MOZ_ASSERT(false, "BluetoothOppManager got unexpected topic!");
1.88 + return NS_ERROR_UNEXPECTED;
1.89 +}
1.90 +
1.91 +class SendSocketDataTask : public nsRunnable
1.92 +{
1.93 +public:
1.94 + SendSocketDataTask(uint8_t* aStream, uint32_t aSize)
1.95 + : mStream(aStream)
1.96 + , mSize(aSize)
1.97 + {
1.98 + MOZ_ASSERT(!NS_IsMainThread());
1.99 + }
1.100 +
1.101 + NS_IMETHOD Run()
1.102 + {
1.103 + MOZ_ASSERT(NS_IsMainThread());
1.104 +
1.105 + sBluetoothOppManager->SendPutRequest(mStream, mSize);
1.106 +
1.107 + return NS_OK;
1.108 + }
1.109 +
1.110 +private:
1.111 + nsAutoArrayPtr<uint8_t> mStream;
1.112 + uint32_t mSize;
1.113 +};
1.114 +
1.115 +class ReadFileTask : public nsRunnable
1.116 +{
1.117 +public:
1.118 + ReadFileTask(nsIInputStream* aInputStream,
1.119 + uint32_t aRemoteMaxPacketSize) : mInputStream(aInputStream)
1.120 + {
1.121 + MOZ_ASSERT(NS_IsMainThread());
1.122 +
1.123 + mAvailablePacketSize = aRemoteMaxPacketSize - kPutRequestHeaderSize;
1.124 + }
1.125 +
1.126 + NS_IMETHOD Run()
1.127 + {
1.128 + MOZ_ASSERT(!NS_IsMainThread());
1.129 +
1.130 + uint32_t numRead;
1.131 + nsAutoArrayPtr<char> buf(new char[mAvailablePacketSize]);
1.132 +
1.133 + // function inputstream->Read() only works on non-main thread
1.134 + nsresult rv = mInputStream->Read(buf, mAvailablePacketSize, &numRead);
1.135 + if (NS_FAILED(rv)) {
1.136 + // Needs error handling here
1.137 + BT_WARNING("Failed to read from input stream");
1.138 + return NS_ERROR_FAILURE;
1.139 + }
1.140 +
1.141 + if (numRead > 0) {
1.142 + sBluetoothOppManager->CheckPutFinal(numRead);
1.143 +
1.144 + nsRefPtr<SendSocketDataTask> task =
1.145 + new SendSocketDataTask((uint8_t*)buf.forget(), numRead);
1.146 + if (NS_FAILED(NS_DispatchToMainThread(task))) {
1.147 + BT_WARNING("Failed to dispatch to main thread!");
1.148 + return NS_ERROR_FAILURE;
1.149 + }
1.150 + }
1.151 +
1.152 + return NS_OK;
1.153 + };
1.154 +
1.155 +private:
1.156 + nsCOMPtr<nsIInputStream> mInputStream;
1.157 + uint32_t mAvailablePacketSize;
1.158 +};
1.159 +
1.160 +class CloseSocketTask : public Task
1.161 +{
1.162 +public:
1.163 + CloseSocketTask(BluetoothSocket* aSocket) : mSocket(aSocket)
1.164 + {
1.165 + MOZ_ASSERT(aSocket);
1.166 + }
1.167 +
1.168 + void Run() MOZ_OVERRIDE
1.169 + {
1.170 + MOZ_ASSERT(NS_IsMainThread());
1.171 + mSocket->CloseDroidSocket();
1.172 + }
1.173 +
1.174 +private:
1.175 + nsRefPtr<BluetoothSocket> mSocket;
1.176 +};
1.177 +
1.178 +BluetoothOppManager::BluetoothOppManager() : mConnected(false)
1.179 + , mRemoteObexVersion(0)
1.180 + , mRemoteConnectionFlags(0)
1.181 + , mRemoteMaxPacketLength(0)
1.182 + , mLastCommand(0)
1.183 + , mPacketLength(0)
1.184 + , mPutPacketReceivedLength(0)
1.185 + , mBodySegmentLength(0)
1.186 + , mAbortFlag(false)
1.187 + , mNewFileFlag(false)
1.188 + , mPutFinalFlag(false)
1.189 + , mSendTransferCompleteFlag(false)
1.190 + , mSuccessFlag(false)
1.191 + , mIsServer(true)
1.192 + , mWaitingForConfirmationFlag(false)
1.193 + , mFileLength(0)
1.194 + , mSentFileLength(0)
1.195 + , mWaitingToSendPutFinal(false)
1.196 + , mCurrentBlobIndex(-1)
1.197 +{
1.198 + mDeviceAddress.AssignLiteral(BLUETOOTH_ADDRESS_NONE);
1.199 +}
1.200 +
1.201 +BluetoothOppManager::~BluetoothOppManager()
1.202 +{
1.203 + nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
1.204 + NS_ENSURE_TRUE_VOID(obs);
1.205 + if (NS_FAILED(obs->RemoveObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID))) {
1.206 + BT_WARNING("Failed to remove shutdown observer!");
1.207 + }
1.208 +}
1.209 +
1.210 +bool
1.211 +BluetoothOppManager::Init()
1.212 +{
1.213 + nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
1.214 + NS_ENSURE_TRUE(obs, false);
1.215 + if (NS_FAILED(obs->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false))) {
1.216 + BT_WARNING("Failed to add shutdown observer!");
1.217 + return false;
1.218 + }
1.219 +
1.220 + /**
1.221 + * We don't start listening here as BluetoothServiceBluedroid calls Listen()
1.222 + * immediately when BT stops.
1.223 + *
1.224 + * If we start listening here, the listening fails when device boots up since
1.225 + * Listen() is called again and restarts server socket. The restart causes
1.226 + * absence of read events when device boots up.
1.227 + */
1.228 +
1.229 + return true;
1.230 +}
1.231 +
1.232 +//static
1.233 +BluetoothOppManager*
1.234 +BluetoothOppManager::Get()
1.235 +{
1.236 + MOZ_ASSERT(NS_IsMainThread());
1.237 +
1.238 + // If sBluetoothOppManager already exists, exit early
1.239 + if (sBluetoothOppManager) {
1.240 + return sBluetoothOppManager;
1.241 + }
1.242 +
1.243 + // If we're in shutdown, don't create a new instance
1.244 + NS_ENSURE_FALSE(sInShutdown, nullptr);
1.245 +
1.246 + // Create a new instance, register, and return
1.247 + BluetoothOppManager *manager = new BluetoothOppManager();
1.248 + NS_ENSURE_TRUE(manager->Init(), nullptr);
1.249 +
1.250 + sBluetoothOppManager = manager;
1.251 + return sBluetoothOppManager;
1.252 +}
1.253 +
1.254 +void
1.255 +BluetoothOppManager::ConnectInternal(const nsAString& aDeviceAddress)
1.256 +{
1.257 + MOZ_ASSERT(NS_IsMainThread());
1.258 +
1.259 + // Stop listening because currently we only support one connection at a time.
1.260 + if (mServerSocket) {
1.261 + mServerSocket->Disconnect();
1.262 + mServerSocket = nullptr;
1.263 + }
1.264 +
1.265 + mIsServer = false;
1.266 +
1.267 + BluetoothService* bs = BluetoothService::Get();
1.268 + if (!bs || sInShutdown || mSocket) {
1.269 + OnSocketConnectError(mSocket);
1.270 + return;
1.271 + }
1.272 +
1.273 + mSocket =
1.274 + new BluetoothSocket(this, BluetoothSocketType::RFCOMM, false, true);
1.275 + mSocket->Connect(aDeviceAddress, -1);
1.276 +}
1.277 +
1.278 +void
1.279 +BluetoothOppManager::HandleShutdown()
1.280 +{
1.281 + MOZ_ASSERT(NS_IsMainThread());
1.282 + sInShutdown = true;
1.283 + Disconnect(nullptr);
1.284 + sBluetoothOppManager = nullptr;
1.285 +}
1.286 +
1.287 +bool
1.288 +BluetoothOppManager::Listen()
1.289 +{
1.290 + MOZ_ASSERT(NS_IsMainThread());
1.291 +
1.292 + if (mSocket) {
1.293 + BT_WARNING("mSocket exists. Failed to listen.");
1.294 + return false;
1.295 + }
1.296 +
1.297 + /**
1.298 + * Restart server socket since its underlying fd becomes invalid when
1.299 + * BT stops; otherwise no more read events would be received even if
1.300 + * BT restarts.
1.301 + */
1.302 + if (mServerSocket) {
1.303 + mServerSocket->Disconnect();
1.304 + mServerSocket = nullptr;
1.305 + }
1.306 +
1.307 + mServerSocket =
1.308 + new BluetoothSocket(this, BluetoothSocketType::RFCOMM, false, true);
1.309 +
1.310 + if (!mServerSocket->Listen(BluetoothReservedChannels::CHANNEL_OPUSH)) {
1.311 + BT_WARNING("[OPP] Can't listen on RFCOMM socket!");
1.312 + mServerSocket = nullptr;
1.313 + return false;
1.314 + }
1.315 +
1.316 + mIsServer = true;
1.317 +
1.318 + return true;
1.319 +}
1.320 +
1.321 +void
1.322 +BluetoothOppManager::StartSendingNextFile()
1.323 +{
1.324 + MOZ_ASSERT(NS_IsMainThread());
1.325 +
1.326 + MOZ_ASSERT(!IsConnected());
1.327 + MOZ_ASSERT(!mBatches.IsEmpty());
1.328 + MOZ_ASSERT((int)mBatches[0].mBlobs.Length() > mCurrentBlobIndex + 1);
1.329 +
1.330 + mBlob = mBatches[0].mBlobs[++mCurrentBlobIndex];
1.331 +
1.332 + // Before sending content, we have to send a header including
1.333 + // information such as file name, file length and content type.
1.334 + ExtractBlobHeaders();
1.335 + StartFileTransfer();
1.336 +
1.337 + if (mCurrentBlobIndex == 0) {
1.338 + // We may have more than one file waiting for transferring, but only one
1.339 + // CONNECT request would be sent. Therefore check if this is the very first
1.340 + // file at the head of queue.
1.341 + SendConnectRequest();
1.342 + } else {
1.343 + SendPutHeaderRequest(mFileName, mFileLength);
1.344 + AfterFirstPut();
1.345 + }
1.346 +}
1.347 +
1.348 +bool
1.349 +BluetoothOppManager::SendFile(const nsAString& aDeviceAddress,
1.350 + BlobParent* aActor)
1.351 +{
1.352 + MOZ_ASSERT(NS_IsMainThread());
1.353 +
1.354 + nsCOMPtr<nsIDOMBlob> blob = aActor->GetBlob();
1.355 +
1.356 + return SendFile(aDeviceAddress, blob.get());
1.357 +}
1.358 +
1.359 +bool
1.360 +BluetoothOppManager::SendFile(const nsAString& aDeviceAddress,
1.361 + nsIDOMBlob* aBlob)
1.362 +{
1.363 + MOZ_ASSERT(NS_IsMainThread());
1.364 +
1.365 + AppendBlobToSend(aDeviceAddress, aBlob);
1.366 + if (!mSocket) {
1.367 + ProcessNextBatch();
1.368 + }
1.369 +
1.370 + return true;
1.371 +}
1.372 +
1.373 +void
1.374 +BluetoothOppManager::AppendBlobToSend(const nsAString& aDeviceAddress,
1.375 + nsIDOMBlob* aBlob)
1.376 +{
1.377 + MOZ_ASSERT(NS_IsMainThread());
1.378 +
1.379 + int indexTail = mBatches.Length() - 1;
1.380 +
1.381 + /**
1.382 + * Create a new batch if
1.383 + * - mBatches is empty, or
1.384 + * - aDeviceAddress differs from mDeviceAddress of the last batch
1.385 + */
1.386 + if (mBatches.IsEmpty() ||
1.387 + aDeviceAddress != mBatches[indexTail].mDeviceAddress) {
1.388 + SendFileBatch batch(aDeviceAddress, aBlob);
1.389 + mBatches.AppendElement(batch);
1.390 + } else {
1.391 + mBatches[indexTail].mBlobs.AppendElement(aBlob);
1.392 + }
1.393 +}
1.394 +
1.395 +void
1.396 +BluetoothOppManager::DiscardBlobsToSend()
1.397 +{
1.398 + MOZ_ASSERT(NS_IsMainThread());
1.399 +
1.400 + MOZ_ASSERT(!mBatches.IsEmpty());
1.401 + MOZ_ASSERT(!mIsServer);
1.402 +
1.403 + int length = (int) mBatches[0].mBlobs.Length();
1.404 + while (length > mCurrentBlobIndex + 1) {
1.405 + mBlob = mBatches[0].mBlobs[++mCurrentBlobIndex];
1.406 +
1.407 + BT_LOGR("idx %d", mCurrentBlobIndex);
1.408 + ExtractBlobHeaders();
1.409 + StartFileTransfer();
1.410 + FileTransferComplete();
1.411 + }
1.412 +}
1.413 +
1.414 +bool
1.415 +BluetoothOppManager::ProcessNextBatch()
1.416 +{
1.417 + MOZ_ASSERT(NS_IsMainThread());
1.418 +
1.419 + // Remove the processed batch.
1.420 + // A batch is processed if we've incremented mCurrentBlobIndex for it.
1.421 + if (mCurrentBlobIndex >= 0) {
1.422 + ClearQueue();
1.423 + mBatches.RemoveElementAt(0);
1.424 + BT_LOGR("REMOVE. %d remaining", mBatches.Length());
1.425 + }
1.426 +
1.427 + // Process the next batch
1.428 + if (!mBatches.IsEmpty()) {
1.429 + ConnectInternal(mBatches[0].mDeviceAddress);
1.430 + return true;
1.431 + }
1.432 +
1.433 + // No more batch to process
1.434 + return false;
1.435 +}
1.436 +
1.437 +void
1.438 +BluetoothOppManager::ClearQueue()
1.439 +{
1.440 + MOZ_ASSERT(NS_IsMainThread());
1.441 +
1.442 + MOZ_ASSERT(!mIsServer);
1.443 + MOZ_ASSERT(!mBatches.IsEmpty());
1.444 + MOZ_ASSERT(!mBatches[0].mBlobs.IsEmpty());
1.445 +
1.446 + mCurrentBlobIndex = -1;
1.447 + mBlob = nullptr;
1.448 + mBatches[0].mBlobs.Clear();
1.449 +}
1.450 +
1.451 +bool
1.452 +BluetoothOppManager::StopSendingFile()
1.453 +{
1.454 + MOZ_ASSERT(NS_IsMainThread());
1.455 +
1.456 + if (mIsServer) {
1.457 + mAbortFlag = true;
1.458 + } else {
1.459 + Disconnect(nullptr);
1.460 + }
1.461 +
1.462 + return true;
1.463 +}
1.464 +
1.465 +bool
1.466 +BluetoothOppManager::ConfirmReceivingFile(bool aConfirm)
1.467 +{
1.468 + NS_ENSURE_TRUE(mConnected, false);
1.469 + NS_ENSURE_TRUE(mWaitingForConfirmationFlag, false);
1.470 +
1.471 + mWaitingForConfirmationFlag = false;
1.472 +
1.473 + // For the first packet of first file
1.474 + bool success = false;
1.475 + if (aConfirm) {
1.476 + StartFileTransfer();
1.477 + if (CreateFile()) {
1.478 + success = WriteToFile(mBodySegment.get(), mBodySegmentLength);
1.479 + }
1.480 + }
1.481 +
1.482 + if (success && mPutFinalFlag) {
1.483 + mSuccessFlag = true;
1.484 + FileTransferComplete();
1.485 + NotifyAboutFileChange();
1.486 + }
1.487 +
1.488 + ReplyToPut(mPutFinalFlag, success);
1.489 +
1.490 + return true;
1.491 +}
1.492 +
1.493 +void
1.494 +BluetoothOppManager::AfterFirstPut()
1.495 +{
1.496 + mUpdateProgressCounter = 1;
1.497 + mPutFinalFlag = false;
1.498 + mPutPacketReceivedLength = 0;
1.499 + mSentFileLength = 0;
1.500 + mWaitingToSendPutFinal = false;
1.501 + mSuccessFlag = false;
1.502 + mBodySegmentLength = 0;
1.503 +}
1.504 +
1.505 +void
1.506 +BluetoothOppManager::AfterOppConnected()
1.507 +{
1.508 + MOZ_ASSERT(NS_IsMainThread());
1.509 +
1.510 + mConnected = true;
1.511 + mAbortFlag = false;
1.512 + mWaitingForConfirmationFlag = true;
1.513 + AfterFirstPut();
1.514 + // Get a mount lock to prevent the sdcard from being shared with
1.515 + // the PC while we're doing a OPP file transfer. After OPP transaction
1.516 + // were done, the mount lock will be freed.
1.517 + if (!AcquireSdcardMountLock()) {
1.518 + // If we fail to get a mount lock, abort this transaction
1.519 + // Directly sending disconnect-request is better than abort-request
1.520 + BT_WARNING("BluetoothOPPManager couldn't get a mount lock!");
1.521 + Disconnect(nullptr);
1.522 + }
1.523 +}
1.524 +
1.525 +void
1.526 +BluetoothOppManager::AfterOppDisconnected()
1.527 +{
1.528 + MOZ_ASSERT(NS_IsMainThread());
1.529 +
1.530 + mConnected = false;
1.531 + mLastCommand = 0;
1.532 + mPutPacketReceivedLength = 0;
1.533 + mDsFile = nullptr;
1.534 +
1.535 + // We can't reset mSuccessFlag here since this function may be called
1.536 + // before we send system message of transfer complete
1.537 + // mSuccessFlag = false;
1.538 +
1.539 + if (mInputStream) {
1.540 + mInputStream->Close();
1.541 + mInputStream = nullptr;
1.542 + }
1.543 +
1.544 + if (mOutputStream) {
1.545 + mOutputStream->Close();
1.546 + mOutputStream = nullptr;
1.547 + }
1.548 +
1.549 + if (mReadFileThread) {
1.550 + mReadFileThread->Shutdown();
1.551 + mReadFileThread = nullptr;
1.552 + }
1.553 + // Release the Mount lock if file transfer completed
1.554 + if (mMountLock) {
1.555 + // The mount lock will be implicitly unlocked
1.556 + mMountLock = nullptr;
1.557 + }
1.558 +}
1.559 +
1.560 +void
1.561 +BluetoothOppManager::DeleteReceivedFile()
1.562 +{
1.563 + if (mOutputStream) {
1.564 + mOutputStream->Close();
1.565 + mOutputStream = nullptr;
1.566 + }
1.567 +
1.568 + if (mDsFile && mDsFile->mFile) {
1.569 + mDsFile->mFile->Remove(false);
1.570 + mDsFile = nullptr;
1.571 + }
1.572 +}
1.573 +
1.574 +bool
1.575 +BluetoothOppManager::CreateFile()
1.576 +{
1.577 + MOZ_ASSERT(mPutPacketReceivedLength == mPacketLength);
1.578 +
1.579 + nsString path;
1.580 + path.AssignLiteral(TARGET_SUBDIR);
1.581 + path.Append(mFileName);
1.582 +
1.583 + mDsFile = DeviceStorageFile::CreateUnique(
1.584 + path, nsIFile::NORMAL_FILE_TYPE, 0644);
1.585 + NS_ENSURE_TRUE(mDsFile, false);
1.586 +
1.587 + nsCOMPtr<nsIFile> f;
1.588 + mDsFile->mFile->Clone(getter_AddRefs(f));
1.589 +
1.590 + /*
1.591 + * The function CreateUnique() may create a file with a different file
1.592 + * name from the original mFileName. Therefore we have to retrieve
1.593 + * the file name again.
1.594 + */
1.595 + f->GetLeafName(mFileName);
1.596 +
1.597 + NS_NewLocalFileOutputStream(getter_AddRefs(mOutputStream), f);
1.598 + NS_ENSURE_TRUE(mOutputStream, false);
1.599 +
1.600 + return true;
1.601 +}
1.602 +
1.603 +bool
1.604 +BluetoothOppManager::WriteToFile(const uint8_t* aData, int aDataLength)
1.605 +{
1.606 + NS_ENSURE_TRUE(mOutputStream, false);
1.607 +
1.608 + uint32_t wrote = 0;
1.609 + mOutputStream->Write((const char*)aData, aDataLength, &wrote);
1.610 + NS_ENSURE_TRUE(aDataLength == (int) wrote, false);
1.611 +
1.612 + return true;
1.613 +}
1.614 +
1.615 +// Virtual function of class SocketConsumer
1.616 +void
1.617 +BluetoothOppManager::ExtractPacketHeaders(const ObexHeaderSet& aHeader)
1.618 +{
1.619 + if (aHeader.Has(ObexHeaderId::Name)) {
1.620 + aHeader.GetName(mFileName);
1.621 + }
1.622 +
1.623 + if (aHeader.Has(ObexHeaderId::Type)) {
1.624 + aHeader.GetContentType(mContentType);
1.625 + }
1.626 +
1.627 + if (aHeader.Has(ObexHeaderId::Length)) {
1.628 + aHeader.GetLength(&mFileLength);
1.629 + }
1.630 +
1.631 + if (aHeader.Has(ObexHeaderId::Body) ||
1.632 + aHeader.Has(ObexHeaderId::EndOfBody)) {
1.633 + uint8_t* bodyPtr;
1.634 + aHeader.GetBody(&bodyPtr);
1.635 + mBodySegment = bodyPtr;
1.636 +
1.637 + aHeader.GetBodyLength(&mBodySegmentLength);
1.638 + }
1.639 +}
1.640 +
1.641 +bool
1.642 +BluetoothOppManager::ExtractBlobHeaders()
1.643 +{
1.644 + RetrieveSentFileName();
1.645 +
1.646 + nsresult rv = mBlob->GetType(mContentType);
1.647 + if (NS_FAILED(rv)) {
1.648 + BT_WARNING("Can't get content type");
1.649 + SendDisconnectRequest();
1.650 + return false;
1.651 + }
1.652 +
1.653 + uint64_t fileLength;
1.654 + rv = mBlob->GetSize(&fileLength);
1.655 + if (NS_FAILED(rv)) {
1.656 + BT_WARNING("Can't get file size");
1.657 + SendDisconnectRequest();
1.658 + return false;
1.659 + }
1.660 +
1.661 + // Currently we keep the size of files which were sent/received via
1.662 + // Bluetooth not exceed UINT32_MAX because the Length header in OBEX
1.663 + // is only 4-byte long. Although it is possible to transfer a file
1.664 + // larger than UINT32_MAX, it needs to parse another OBEX Header
1.665 + // and I would like to leave it as a feature.
1.666 + if (fileLength > (uint64_t)UINT32_MAX) {
1.667 + BT_WARNING("The file size is too large for now");
1.668 + SendDisconnectRequest();
1.669 + return false;
1.670 + }
1.671 +
1.672 + mFileLength = fileLength;
1.673 + rv = NS_NewThread(getter_AddRefs(mReadFileThread));
1.674 + if (NS_FAILED(rv)) {
1.675 + BT_WARNING("Can't create thread");
1.676 + SendDisconnectRequest();
1.677 + return false;
1.678 + }
1.679 +
1.680 + return true;
1.681 +}
1.682 +
1.683 +void
1.684 +BluetoothOppManager::RetrieveSentFileName()
1.685 +{
1.686 + mFileName.Truncate();
1.687 +
1.688 + nsCOMPtr<nsIDOMFile> file = do_QueryInterface(mBlob);
1.689 + if (file) {
1.690 + file->GetName(mFileName);
1.691 + }
1.692 +
1.693 + /**
1.694 + * We try our best to get the file extention to avoid interoperability issues.
1.695 + * However, once we found that we are unable to get suitable extension or
1.696 + * information about the content type, sending a pre-defined file name without
1.697 + * extension would be fine.
1.698 + */
1.699 + if (mFileName.IsEmpty()) {
1.700 + mFileName.AssignLiteral("Unknown");
1.701 + }
1.702 +
1.703 + int32_t offset = mFileName.RFindChar('/');
1.704 + if (offset != kNotFound) {
1.705 + mFileName = Substring(mFileName, offset + 1);
1.706 + }
1.707 +
1.708 + offset = mFileName.RFindChar('.');
1.709 + if (offset == kNotFound) {
1.710 + nsCOMPtr<nsIMIMEService> mimeSvc = do_GetService(NS_MIMESERVICE_CONTRACTID);
1.711 +
1.712 + if (mimeSvc) {
1.713 + nsString mimeType;
1.714 + mBlob->GetType(mimeType);
1.715 +
1.716 + nsCString extension;
1.717 + nsresult rv =
1.718 + mimeSvc->GetPrimaryExtension(NS_LossyConvertUTF16toASCII(mimeType),
1.719 + EmptyCString(),
1.720 + extension);
1.721 + if (NS_SUCCEEDED(rv)) {
1.722 + mFileName.AppendLiteral(".");
1.723 + AppendUTF8toUTF16(extension, mFileName);
1.724 + }
1.725 + }
1.726 + }
1.727 +}
1.728 +
1.729 +bool
1.730 +BluetoothOppManager::IsReservedChar(char16_t c)
1.731 +{
1.732 + return (c < 0x0020 ||
1.733 + c == char16_t('?') || c == char16_t('|') || c == char16_t('<') ||
1.734 + c == char16_t('>') || c == char16_t('"') || c == char16_t(':') ||
1.735 + c == char16_t('/') || c == char16_t('*') || c == char16_t('\\'));
1.736 +}
1.737 +
1.738 +void
1.739 +BluetoothOppManager::ValidateFileName()
1.740 +{
1.741 + int length = mFileName.Length();
1.742 +
1.743 + for (int i = 0; i < length; ++i) {
1.744 + // Replace reserved char of fat file system with '_'
1.745 + if (IsReservedChar(mFileName.CharAt(i))) {
1.746 + mFileName.Replace(i, 1, char16_t('_'));
1.747 + }
1.748 + }
1.749 +}
1.750 +
1.751 +bool
1.752 +BluetoothOppManager::ComposePacket(uint8_t aOpCode, UnixSocketRawData* aMessage)
1.753 +{
1.754 + MOZ_ASSERT(NS_IsMainThread());
1.755 + MOZ_ASSERT(aMessage);
1.756 +
1.757 + int frameHeaderLength = 0;
1.758 +
1.759 + // See if this is the first part of each Put packet
1.760 + if (mPutPacketReceivedLength == 0) {
1.761 + // Section 3.3.3 "Put", IrOBEX 1.2
1.762 + // [opcode:1][length:2][Headers:var]
1.763 + frameHeaderLength = 3;
1.764 +
1.765 + mPacketLength = ((((int)aMessage->mData[1]) << 8) | aMessage->mData[2]) -
1.766 + frameHeaderLength;
1.767 + /**
1.768 + * A PUT request from remote devices may be divided into multiple parts.
1.769 + * In other words, one request may need to be received multiple times,
1.770 + * so here we keep a variable mPutPacketReceivedLength to indicate if
1.771 + * current PUT request is done.
1.772 + */
1.773 + mReceivedDataBuffer = new uint8_t[mPacketLength];
1.774 + mPutFinalFlag = (aOpCode == ObexRequestCode::PutFinal);
1.775 + }
1.776 +
1.777 + int dataLength = aMessage->mSize - frameHeaderLength;
1.778 +
1.779 + // Check length before memcpy to prevent from memory pollution
1.780 + if (dataLength < 0 ||
1.781 + mPutPacketReceivedLength + dataLength > mPacketLength) {
1.782 + BT_LOGR("Received packet size is unreasonable");
1.783 +
1.784 + ReplyToPut(mPutFinalFlag, false);
1.785 + DeleteReceivedFile();
1.786 + FileTransferComplete();
1.787 +
1.788 + return false;
1.789 + }
1.790 +
1.791 + memcpy(mReceivedDataBuffer.get() + mPutPacketReceivedLength,
1.792 + &aMessage->mData[frameHeaderLength], dataLength);
1.793 +
1.794 + mPutPacketReceivedLength += dataLength;
1.795 +
1.796 + return (mPutPacketReceivedLength == mPacketLength);
1.797 +}
1.798 +
1.799 +void
1.800 +BluetoothOppManager::ServerDataHandler(UnixSocketRawData* aMessage)
1.801 +{
1.802 + MOZ_ASSERT(NS_IsMainThread());
1.803 +
1.804 + uint8_t opCode;
1.805 + int receivedLength = aMessage->mSize;
1.806 +
1.807 + if (mPutPacketReceivedLength > 0) {
1.808 + opCode = mPutFinalFlag ? ObexRequestCode::PutFinal : ObexRequestCode::Put;
1.809 + } else {
1.810 + opCode = aMessage->mData[0];
1.811 +
1.812 + // When there's a Put packet right after a PutFinal packet,
1.813 + // which means it's the start point of a new file.
1.814 + if (mPutFinalFlag &&
1.815 + (opCode == ObexRequestCode::Put ||
1.816 + opCode == ObexRequestCode::PutFinal)) {
1.817 + mNewFileFlag = true;
1.818 + AfterFirstPut();
1.819 + }
1.820 + }
1.821 +
1.822 + ObexHeaderSet pktHeaders(opCode);
1.823 + if (opCode == ObexRequestCode::Connect) {
1.824 + // Section 3.3.1 "Connect", IrOBEX 1.2
1.825 + // [opcode:1][length:2][version:1][flags:1][MaxPktSizeWeCanReceive:2]
1.826 + // [Headers:var]
1.827 + if (!ParseHeaders(&aMessage->mData[7], receivedLength - 7, &pktHeaders)) {
1.828 + ReplyError(ObexResponseCode::BadRequest);
1.829 + return;
1.830 + }
1.831 +
1.832 + ReplyToConnect();
1.833 + AfterOppConnected();
1.834 + } else if (opCode == ObexRequestCode::Abort) {
1.835 + // Section 3.3.5 "Abort", IrOBEX 1.2
1.836 + // [opcode:1][length:2][Headers:var]
1.837 + if (!ParseHeaders(&aMessage->mData[3], receivedLength - 3, &pktHeaders)) {
1.838 + ReplyError(ObexResponseCode::BadRequest);
1.839 + return;
1.840 + }
1.841 +
1.842 + ReplyToDisconnectOrAbort();
1.843 + DeleteReceivedFile();
1.844 + } else if (opCode == ObexRequestCode::Disconnect) {
1.845 + // Section 3.3.2 "Disconnect", IrOBEX 1.2
1.846 + // [opcode:1][length:2][Headers:var]
1.847 + if (!ParseHeaders(&aMessage->mData[3], receivedLength - 3, &pktHeaders)) {
1.848 + ReplyError(ObexResponseCode::BadRequest);
1.849 + return;
1.850 + }
1.851 +
1.852 + ReplyToDisconnectOrAbort();
1.853 + AfterOppDisconnected();
1.854 + FileTransferComplete();
1.855 + } else if (opCode == ObexRequestCode::Put ||
1.856 + opCode == ObexRequestCode::PutFinal) {
1.857 + if (!ComposePacket(opCode, aMessage)) {
1.858 + return;
1.859 + }
1.860 +
1.861 + // A Put packet is received completely
1.862 + ParseHeaders(mReceivedDataBuffer.get(),
1.863 + mPutPacketReceivedLength, &pktHeaders);
1.864 + ExtractPacketHeaders(pktHeaders);
1.865 + ValidateFileName();
1.866 +
1.867 + // When we cancel the transfer, delete the file and notify completion
1.868 + if (mAbortFlag) {
1.869 + ReplyToPut(mPutFinalFlag, false);
1.870 + mSentFileLength += mBodySegmentLength;
1.871 + DeleteReceivedFile();
1.872 + FileTransferComplete();
1.873 + return;
1.874 + }
1.875 +
1.876 + // Wait until get confirmation from user, then create file and write to it
1.877 + if (mWaitingForConfirmationFlag) {
1.878 + ReceivingFileConfirmation();
1.879 + mSentFileLength += mBodySegmentLength;
1.880 + return;
1.881 + }
1.882 +
1.883 + // Already get confirmation from user, create a new file if needed and
1.884 + // write to output stream
1.885 + if (mNewFileFlag) {
1.886 + StartFileTransfer();
1.887 + if (!CreateFile()) {
1.888 + ReplyToPut(mPutFinalFlag, false);
1.889 + return;
1.890 + }
1.891 + mNewFileFlag = false;
1.892 + }
1.893 +
1.894 + if (!WriteToFile(mBodySegment.get(), mBodySegmentLength)) {
1.895 + ReplyToPut(mPutFinalFlag, false);
1.896 + return;
1.897 + }
1.898 +
1.899 + ReplyToPut(mPutFinalFlag, true);
1.900 +
1.901 + // Send progress update
1.902 + mSentFileLength += mBodySegmentLength;
1.903 + if (mSentFileLength > kUpdateProgressBase * mUpdateProgressCounter) {
1.904 + UpdateProgress();
1.905 + mUpdateProgressCounter = mSentFileLength / kUpdateProgressBase + 1;
1.906 + }
1.907 +
1.908 + // Success to receive a file and notify completion
1.909 + if (mPutFinalFlag) {
1.910 + mSuccessFlag = true;
1.911 + FileTransferComplete();
1.912 + NotifyAboutFileChange();
1.913 + }
1.914 + } else if (opCode == ObexRequestCode::Get ||
1.915 + opCode == ObexRequestCode::GetFinal ||
1.916 + opCode == ObexRequestCode::SetPath) {
1.917 + ReplyError(ObexResponseCode::BadRequest);
1.918 + BT_WARNING("Unsupported ObexRequestCode");
1.919 + } else {
1.920 + ReplyError(ObexResponseCode::NotImplemented);
1.921 + BT_WARNING("Unrecognized ObexRequestCode");
1.922 + }
1.923 +}
1.924 +
1.925 +void
1.926 +BluetoothOppManager::ClientDataHandler(UnixSocketRawData* aMessage)
1.927 +{
1.928 + MOZ_ASSERT(NS_IsMainThread());
1.929 +
1.930 + uint8_t opCode = aMessage->mData[0];
1.931 +
1.932 + // Check response code and send out system message as finished if the response
1.933 + // code is somehow incorrect.
1.934 + uint8_t expectedOpCode = ObexResponseCode::Success;
1.935 + if (mLastCommand == ObexRequestCode::Put) {
1.936 + expectedOpCode = ObexResponseCode::Continue;
1.937 + }
1.938 +
1.939 + if (opCode != expectedOpCode) {
1.940 + if (mLastCommand == ObexRequestCode::Put ||
1.941 + mLastCommand == ObexRequestCode::Abort ||
1.942 + mLastCommand == ObexRequestCode::PutFinal) {
1.943 + SendDisconnectRequest();
1.944 + }
1.945 + nsAutoCString str;
1.946 + str += "[OPP] 0x";
1.947 + str.AppendInt(mLastCommand, 16);
1.948 + str += " failed";
1.949 + BT_WARNING(str.get());
1.950 + FileTransferComplete();
1.951 + return;
1.952 + }
1.953 +
1.954 + if (mLastCommand == ObexRequestCode::PutFinal) {
1.955 + mSuccessFlag = true;
1.956 + FileTransferComplete();
1.957 +
1.958 + if (mInputStream) {
1.959 + mInputStream->Close();
1.960 + mInputStream = nullptr;
1.961 + }
1.962 +
1.963 + if (mCurrentBlobIndex + 1 == (int) mBatches[0].mBlobs.Length()) {
1.964 + SendDisconnectRequest();
1.965 + } else {
1.966 + StartSendingNextFile();
1.967 + }
1.968 + } else if (mLastCommand == ObexRequestCode::Abort) {
1.969 + SendDisconnectRequest();
1.970 + FileTransferComplete();
1.971 + } else if (mLastCommand == ObexRequestCode::Disconnect) {
1.972 + AfterOppDisconnected();
1.973 + // Most devices will directly terminate connection after receiving
1.974 + // Disconnect request, so we make a delay here. If the socket hasn't been
1.975 + // disconnected, we will close it.
1.976 + if (mSocket) {
1.977 + MessageLoop::current()->
1.978 + PostDelayedTask(FROM_HERE, new CloseSocketTask(mSocket), 1000);
1.979 + }
1.980 + } else if (mLastCommand == ObexRequestCode::Connect) {
1.981 + MOZ_ASSERT(!mFileName.IsEmpty());
1.982 + MOZ_ASSERT(mBlob);
1.983 +
1.984 + AfterOppConnected();
1.985 +
1.986 + // Keep remote information
1.987 + mRemoteObexVersion = aMessage->mData[3];
1.988 + mRemoteConnectionFlags = aMessage->mData[4];
1.989 + mRemoteMaxPacketLength =
1.990 + (((int)(aMessage->mData[5]) << 8) | aMessage->mData[6]);
1.991 +
1.992 + // The length of file name exceeds maximum length.
1.993 + int fileNameByteLen = (mFileName.Length() + 1) * 2;
1.994 + int headerLen = kPutRequestHeaderSize + kPutRequestAppendHeaderSize;
1.995 + if (fileNameByteLen > mRemoteMaxPacketLength - headerLen) {
1.996 + BT_WARNING("The length of file name is aberrant.");
1.997 + SendDisconnectRequest();
1.998 + return;
1.999 + }
1.1000 +
1.1001 + SendPutHeaderRequest(mFileName, mFileLength);
1.1002 + } else if (mLastCommand == ObexRequestCode::Put) {
1.1003 + if (mWaitingToSendPutFinal) {
1.1004 + SendPutFinalRequest();
1.1005 + return;
1.1006 + }
1.1007 +
1.1008 + if (kUpdateProgressBase * mUpdateProgressCounter < mSentFileLength) {
1.1009 + UpdateProgress();
1.1010 + mUpdateProgressCounter = mSentFileLength / kUpdateProgressBase + 1;
1.1011 + }
1.1012 +
1.1013 + nsresult rv;
1.1014 + if (!mInputStream) {
1.1015 + rv = mBlob->GetInternalStream(getter_AddRefs(mInputStream));
1.1016 + if (NS_FAILED(rv)) {
1.1017 + BT_WARNING("Can't get internal stream of blob");
1.1018 + SendDisconnectRequest();
1.1019 + return;
1.1020 + }
1.1021 + }
1.1022 +
1.1023 + nsRefPtr<ReadFileTask> task = new ReadFileTask(mInputStream,
1.1024 + mRemoteMaxPacketLength);
1.1025 + rv = mReadFileThread->Dispatch(task, NS_DISPATCH_NORMAL);
1.1026 + if (NS_FAILED(rv)) {
1.1027 + BT_WARNING("Cannot dispatch read file task!");
1.1028 + SendDisconnectRequest();
1.1029 + }
1.1030 + } else {
1.1031 + BT_WARNING("Unhandled ObexRequestCode");
1.1032 + }
1.1033 +}
1.1034 +
1.1035 +// Virtual function of class SocketConsumer
1.1036 +void
1.1037 +BluetoothOppManager::ReceiveSocketData(BluetoothSocket* aSocket,
1.1038 + nsAutoPtr<UnixSocketRawData>& aMessage)
1.1039 +{
1.1040 + if (mIsServer) {
1.1041 + ServerDataHandler(aMessage);
1.1042 + } else {
1.1043 + ClientDataHandler(aMessage);
1.1044 + }
1.1045 +}
1.1046 +
1.1047 +void
1.1048 +BluetoothOppManager::SendConnectRequest()
1.1049 +{
1.1050 + if (mConnected) return;
1.1051 +
1.1052 + // Section 3.3.1 "Connect", IrOBEX 1.2
1.1053 + // [opcode:1][length:2][version:1][flags:1][MaxPktSizeWeCanReceive:2]
1.1054 + // [Headers:var]
1.1055 + uint8_t req[255];
1.1056 + int index = 7;
1.1057 +
1.1058 + req[3] = 0x10; // version=1.0
1.1059 + req[4] = 0x00; // flag=0x00
1.1060 + req[5] = BluetoothOppManager::MAX_PACKET_LENGTH >> 8;
1.1061 + req[6] = (uint8_t)BluetoothOppManager::MAX_PACKET_LENGTH;
1.1062 +
1.1063 + SendObexData(req, ObexRequestCode::Connect, index);
1.1064 +}
1.1065 +
1.1066 +void
1.1067 +BluetoothOppManager::SendPutHeaderRequest(const nsAString& aFileName,
1.1068 + int aFileSize)
1.1069 +{
1.1070 + if (!mConnected) return;
1.1071 +
1.1072 + uint8_t* req = new uint8_t[mRemoteMaxPacketLength];
1.1073 +
1.1074 + int len = aFileName.Length();
1.1075 + uint8_t* fileName = new uint8_t[(len + 1) * 2];
1.1076 + const char16_t* fileNamePtr = aFileName.BeginReading();
1.1077 +
1.1078 + for (int i = 0; i < len; i++) {
1.1079 + fileName[i * 2] = (uint8_t)(fileNamePtr[i] >> 8);
1.1080 + fileName[i * 2 + 1] = (uint8_t)fileNamePtr[i];
1.1081 + }
1.1082 +
1.1083 + fileName[len * 2] = 0x00;
1.1084 + fileName[len * 2 + 1] = 0x00;
1.1085 +
1.1086 + int index = 3;
1.1087 + index += AppendHeaderName(&req[index], mRemoteMaxPacketLength - index,
1.1088 + (char*)fileName, (len + 1) * 2);
1.1089 + index += AppendHeaderLength(&req[index], aFileSize);
1.1090 +
1.1091 + SendObexData(req, ObexRequestCode::Put, index);
1.1092 +
1.1093 + delete [] fileName;
1.1094 + delete [] req;
1.1095 +}
1.1096 +
1.1097 +void
1.1098 +BluetoothOppManager::SendPutRequest(uint8_t* aFileBody,
1.1099 + int aFileBodyLength)
1.1100 +{
1.1101 + if (!mConnected) return;
1.1102 + int packetLeftSpace = mRemoteMaxPacketLength - kPutRequestHeaderSize;
1.1103 + if (aFileBodyLength > packetLeftSpace) {
1.1104 + BT_WARNING("Not allowed such a small MaxPacketLength value");
1.1105 + return;
1.1106 + }
1.1107 +
1.1108 + // Section 3.3.3 "Put", IrOBEX 1.2
1.1109 + // [opcode:1][length:2][Headers:var]
1.1110 + uint8_t* req = new uint8_t[mRemoteMaxPacketLength];
1.1111 +
1.1112 + int index = 3;
1.1113 + index += AppendHeaderBody(&req[index], mRemoteMaxPacketLength - index,
1.1114 + aFileBody, aFileBodyLength);
1.1115 +
1.1116 + SendObexData(req, ObexRequestCode::Put, index);
1.1117 + delete [] req;
1.1118 +
1.1119 + mSentFileLength += aFileBodyLength;
1.1120 +}
1.1121 +
1.1122 +void
1.1123 +BluetoothOppManager::SendPutFinalRequest()
1.1124 +{
1.1125 + if (!mConnected) return;
1.1126 +
1.1127 + /**
1.1128 + * Section 2.2.9, "End-of-Body", IrObex 1.2
1.1129 + * End-of-Body is used to identify the last chunk of the object body.
1.1130 + * For most platforms, a PutFinal packet is sent with an zero length
1.1131 + * End-of-Body header.
1.1132 + */
1.1133 +
1.1134 + // [opcode:1][length:2]
1.1135 + int index = 3;
1.1136 + uint8_t* req = new uint8_t[mRemoteMaxPacketLength];
1.1137 + index += AppendHeaderEndOfBody(&req[index]);
1.1138 +
1.1139 + SendObexData(req, ObexRequestCode::PutFinal, index);
1.1140 + delete [] req;
1.1141 +
1.1142 + mWaitingToSendPutFinal = false;
1.1143 +}
1.1144 +
1.1145 +void
1.1146 +BluetoothOppManager::SendDisconnectRequest()
1.1147 +{
1.1148 + if (!mConnected) return;
1.1149 +
1.1150 + // Section 3.3.2 "Disconnect", IrOBEX 1.2
1.1151 + // [opcode:1][length:2][Headers:var]
1.1152 + uint8_t req[255];
1.1153 + int index = 3;
1.1154 +
1.1155 + SendObexData(req, ObexRequestCode::Disconnect, index);
1.1156 +}
1.1157 +
1.1158 +void
1.1159 +BluetoothOppManager::CheckPutFinal(uint32_t aNumRead)
1.1160 +{
1.1161 + if (mSentFileLength + aNumRead >= mFileLength) {
1.1162 + mWaitingToSendPutFinal = true;
1.1163 + }
1.1164 +}
1.1165 +
1.1166 +bool
1.1167 +BluetoothOppManager::IsConnected()
1.1168 +{
1.1169 + return (mConnected && !mSendTransferCompleteFlag);
1.1170 +}
1.1171 +
1.1172 +void
1.1173 +BluetoothOppManager::GetAddress(nsAString& aDeviceAddress)
1.1174 +{
1.1175 + return mSocket->GetAddress(aDeviceAddress);
1.1176 +}
1.1177 +
1.1178 +void
1.1179 +BluetoothOppManager::ReplyToConnect()
1.1180 +{
1.1181 + if (mConnected) return;
1.1182 +
1.1183 + // Section 3.3.1 "Connect", IrOBEX 1.2
1.1184 + // [opcode:1][length:2][version:1][flags:1][MaxPktSizeWeCanReceive:2]
1.1185 + // [Headers:var]
1.1186 + uint8_t req[255];
1.1187 + int index = 7;
1.1188 +
1.1189 + req[3] = 0x10; // version=1.0
1.1190 + req[4] = 0x00; // flag=0x00
1.1191 + req[5] = BluetoothOppManager::MAX_PACKET_LENGTH >> 8;
1.1192 + req[6] = (uint8_t)BluetoothOppManager::MAX_PACKET_LENGTH;
1.1193 +
1.1194 + SendObexData(req, ObexResponseCode::Success, index);
1.1195 +}
1.1196 +
1.1197 +void
1.1198 +BluetoothOppManager::ReplyToDisconnectOrAbort()
1.1199 +{
1.1200 + if (!mConnected) return;
1.1201 +
1.1202 + // Section 3.3.2 "Disconnect" and Section 3.3.5 "Abort", IrOBEX 1.2
1.1203 + // The format of response packet of "Disconnect" and "Abort" are the same
1.1204 + // [opcode:1][length:2][Headers:var]
1.1205 + uint8_t req[255];
1.1206 + int index = 3;
1.1207 +
1.1208 + SendObexData(req, ObexResponseCode::Success, index);
1.1209 +}
1.1210 +
1.1211 +void
1.1212 +BluetoothOppManager::ReplyToPut(bool aFinal, bool aContinue)
1.1213 +{
1.1214 + if (!mConnected) return;
1.1215 +
1.1216 + // The received length can be reset here because this is where we reply to a
1.1217 + // complete put packet.
1.1218 + mPutPacketReceivedLength = 0;
1.1219 +
1.1220 + // Section 3.3.2 "Disconnect", IrOBEX 1.2
1.1221 + // [opcode:1][length:2][Headers:var]
1.1222 + uint8_t req[255];
1.1223 + int index = 3;
1.1224 + uint8_t opcode;
1.1225 +
1.1226 + if (aContinue) {
1.1227 + opcode = (aFinal)? ObexResponseCode::Success :
1.1228 + ObexResponseCode::Continue;
1.1229 + } else {
1.1230 + opcode = (aFinal)? ObexResponseCode::Unauthorized :
1.1231 + ObexResponseCode::Unauthorized & (~FINAL_BIT);
1.1232 + }
1.1233 +
1.1234 + SendObexData(req, opcode, index);
1.1235 +}
1.1236 +
1.1237 +void
1.1238 +BluetoothOppManager::ReplyError(uint8_t aError)
1.1239 +{
1.1240 + BT_LOGR("error: %d", aError);
1.1241 +
1.1242 + // Section 3.2 "Response Format", IrOBEX 1.2
1.1243 + // [opcode:1][length:2][Headers:var]
1.1244 + uint8_t req[255];
1.1245 + int index = 3;
1.1246 +
1.1247 + SendObexData(req, aError, index);
1.1248 +}
1.1249 +
1.1250 +void
1.1251 +BluetoothOppManager::SendObexData(uint8_t* aData, uint8_t aOpcode, int aSize)
1.1252 +{
1.1253 + SetObexPacketInfo(aData, aOpcode, aSize);
1.1254 +
1.1255 + if (!mIsServer) {
1.1256 + mLastCommand = aOpcode;
1.1257 + }
1.1258 +
1.1259 + UnixSocketRawData* s = new UnixSocketRawData(aSize);
1.1260 + memcpy(s->mData, aData, s->mSize);
1.1261 + mSocket->SendDroidSocketData(s);
1.1262 +}
1.1263 +
1.1264 +void
1.1265 +BluetoothOppManager::FileTransferComplete()
1.1266 +{
1.1267 + if (mSendTransferCompleteFlag) {
1.1268 + return;
1.1269 + }
1.1270 +
1.1271 + NS_NAMED_LITERAL_STRING(type, "bluetooth-opp-transfer-complete");
1.1272 + InfallibleTArray<BluetoothNamedValue> parameters;
1.1273 +
1.1274 + BT_APPEND_NAMED_VALUE(parameters, "address", mDeviceAddress);
1.1275 + BT_APPEND_NAMED_VALUE(parameters, "success", mSuccessFlag);
1.1276 + BT_APPEND_NAMED_VALUE(parameters, "received", mIsServer);
1.1277 + BT_APPEND_NAMED_VALUE(parameters, "fileName", mFileName);
1.1278 + BT_APPEND_NAMED_VALUE(parameters, "fileLength", mSentFileLength);
1.1279 + BT_APPEND_NAMED_VALUE(parameters, "contentType", mContentType);
1.1280 +
1.1281 + BT_ENSURE_TRUE_VOID_BROADCAST_SYSMSG(type, parameters);
1.1282 +
1.1283 + mSendTransferCompleteFlag = true;
1.1284 +}
1.1285 +
1.1286 +void
1.1287 +BluetoothOppManager::StartFileTransfer()
1.1288 +{
1.1289 + NS_NAMED_LITERAL_STRING(type, "bluetooth-opp-transfer-start");
1.1290 + InfallibleTArray<BluetoothNamedValue> parameters;
1.1291 +
1.1292 + BT_APPEND_NAMED_VALUE(parameters, "address", mDeviceAddress);
1.1293 + BT_APPEND_NAMED_VALUE(parameters, "received", mIsServer);
1.1294 + BT_APPEND_NAMED_VALUE(parameters, "fileName", mFileName);
1.1295 + BT_APPEND_NAMED_VALUE(parameters, "fileLength", mFileLength);
1.1296 + BT_APPEND_NAMED_VALUE(parameters, "contentType", mContentType);
1.1297 +
1.1298 + BT_ENSURE_TRUE_VOID_BROADCAST_SYSMSG(type, parameters);
1.1299 +
1.1300 + mSendTransferCompleteFlag = false;
1.1301 +}
1.1302 +
1.1303 +void
1.1304 +BluetoothOppManager::UpdateProgress()
1.1305 +{
1.1306 + NS_NAMED_LITERAL_STRING(type, "bluetooth-opp-update-progress");
1.1307 + InfallibleTArray<BluetoothNamedValue> parameters;
1.1308 +
1.1309 + BT_APPEND_NAMED_VALUE(parameters, "address", mDeviceAddress);
1.1310 + BT_APPEND_NAMED_VALUE(parameters, "received", mIsServer);
1.1311 + BT_APPEND_NAMED_VALUE(parameters, "processedLength", mSentFileLength);
1.1312 + BT_APPEND_NAMED_VALUE(parameters, "fileLength", mFileLength);
1.1313 +
1.1314 + BT_ENSURE_TRUE_VOID_BROADCAST_SYSMSG(type, parameters);
1.1315 +}
1.1316 +
1.1317 +void
1.1318 +BluetoothOppManager::ReceivingFileConfirmation()
1.1319 +{
1.1320 + NS_NAMED_LITERAL_STRING(type, "bluetooth-opp-receiving-file-confirmation");
1.1321 + InfallibleTArray<BluetoothNamedValue> parameters;
1.1322 +
1.1323 + BT_APPEND_NAMED_VALUE(parameters, "address", mDeviceAddress);
1.1324 + BT_APPEND_NAMED_VALUE(parameters, "fileName", mFileName);
1.1325 + BT_APPEND_NAMED_VALUE(parameters, "fileLength", mFileLength);
1.1326 + BT_APPEND_NAMED_VALUE(parameters, "contentType", mContentType);
1.1327 +
1.1328 + BT_ENSURE_TRUE_VOID_BROADCAST_SYSMSG(type, parameters);
1.1329 +}
1.1330 +
1.1331 +void
1.1332 +BluetoothOppManager::NotifyAboutFileChange()
1.1333 +{
1.1334 + NS_NAMED_LITERAL_STRING(data, "modified");
1.1335 +
1.1336 + nsCOMPtr<nsIObserverService> obs =
1.1337 + mozilla::services::GetObserverService();
1.1338 + NS_ENSURE_TRUE_VOID(obs);
1.1339 +
1.1340 + obs->NotifyObservers(mDsFile, "file-watcher-notify", data.get());
1.1341 +}
1.1342 +
1.1343 +void
1.1344 +BluetoothOppManager::OnSocketConnectSuccess(BluetoothSocket* aSocket)
1.1345 +{
1.1346 + BT_LOGR("[%s]", (mIsServer)? "server" : "client");
1.1347 + MOZ_ASSERT(aSocket);
1.1348 +
1.1349 + /**
1.1350 + * If the created connection is an inbound connection, close server socket
1.1351 + * because currently only one file-transfer session is allowed. After that,
1.1352 + * we need to make sure that server socket would be nulled out.
1.1353 + * As for outbound connections, we just notify the controller that it's done.
1.1354 + */
1.1355 + if (aSocket == mServerSocket) {
1.1356 + MOZ_ASSERT(!mSocket);
1.1357 + mServerSocket.swap(mSocket);
1.1358 + }
1.1359 +
1.1360 + // Cache device address since we can't get socket address when a remote
1.1361 + // device disconnect with us.
1.1362 + mSocket->GetAddress(mDeviceAddress);
1.1363 +
1.1364 + // Start sending file if we connect as a client
1.1365 + if (!mIsServer) {
1.1366 + StartSendingNextFile();
1.1367 + }
1.1368 +}
1.1369 +
1.1370 +void
1.1371 +BluetoothOppManager::OnSocketConnectError(BluetoothSocket* aSocket)
1.1372 +{
1.1373 + BT_LOGR("[%s]", (mIsServer)? "server" : "client");
1.1374 +
1.1375 + mServerSocket = nullptr;
1.1376 + mSocket = nullptr;
1.1377 +
1.1378 + if (!mIsServer) {
1.1379 + // Inform gaia of remaining blobs' sending failure
1.1380 + DiscardBlobsToSend();
1.1381 + }
1.1382 +
1.1383 + // Listen as a server if there's no more batch to process
1.1384 + if (!ProcessNextBatch()) {
1.1385 + Listen();
1.1386 + }
1.1387 +}
1.1388 +
1.1389 +void
1.1390 +BluetoothOppManager::OnSocketDisconnect(BluetoothSocket* aSocket)
1.1391 +{
1.1392 + MOZ_ASSERT(aSocket);
1.1393 + if (aSocket != mSocket) {
1.1394 + // Do nothing when a listening server socket is closed.
1.1395 + return;
1.1396 + }
1.1397 + BT_LOGR("[%s]", (mIsServer) ? "server" : "client");
1.1398 +
1.1399 + /**
1.1400 + * It is valid for a bluetooth device which is transfering file via OPP
1.1401 + * closing socket without sending OBEX disconnect request first. So we
1.1402 + * delete the broken file when we failed to receive a file from the remote,
1.1403 + * and notify the transfer has been completed (but failed). We also call
1.1404 + * AfterOppDisconnected here to ensure all variables will be cleaned.
1.1405 + */
1.1406 + if (!mSuccessFlag) {
1.1407 + if (mIsServer) {
1.1408 + DeleteReceivedFile();
1.1409 + }
1.1410 +
1.1411 + FileTransferComplete();
1.1412 + if (!mIsServer) {
1.1413 + // Inform gaia of remaining blobs' sending failure
1.1414 + DiscardBlobsToSend();
1.1415 + }
1.1416 + }
1.1417 +
1.1418 + AfterOppDisconnected();
1.1419 + mDeviceAddress.AssignLiteral(BLUETOOTH_ADDRESS_NONE);
1.1420 + mSuccessFlag = false;
1.1421 +
1.1422 + mSocket = nullptr;
1.1423 + // Listen as a server if there's no more batch to process
1.1424 + if (!ProcessNextBatch()) {
1.1425 + Listen();
1.1426 + }
1.1427 +}
1.1428 +
1.1429 +void
1.1430 +BluetoothOppManager::Disconnect(BluetoothProfileController* aController)
1.1431 +{
1.1432 + if (mSocket) {
1.1433 + mSocket->Disconnect();
1.1434 + } else {
1.1435 + BT_WARNING("%s: No ongoing file transfer to stop", __FUNCTION__);
1.1436 + }
1.1437 +}
1.1438 +
1.1439 +NS_IMPL_ISUPPORTS(BluetoothOppManager, nsIObserver)
1.1440 +
1.1441 +bool
1.1442 +BluetoothOppManager::AcquireSdcardMountLock()
1.1443 +{
1.1444 + nsCOMPtr<nsIVolumeService> volumeSrv =
1.1445 + do_GetService(NS_VOLUMESERVICE_CONTRACTID);
1.1446 + NS_ENSURE_TRUE(volumeSrv, false);
1.1447 + nsresult rv;
1.1448 + rv = volumeSrv->CreateMountLock(NS_LITERAL_STRING("sdcard"),
1.1449 + getter_AddRefs(mMountLock));
1.1450 + NS_ENSURE_SUCCESS(rv, false);
1.1451 + return true;
1.1452 +}
1.1453 +
1.1454 +void
1.1455 +BluetoothOppManager::OnGetServiceChannel(const nsAString& aDeviceAddress,
1.1456 + const nsAString& aServiceUuid,
1.1457 + int aChannel)
1.1458 +{
1.1459 + MOZ_ASSERT(false);
1.1460 +}
1.1461 +
1.1462 +void
1.1463 +BluetoothOppManager::OnUpdateSdpRecords(const nsAString& aDeviceAddress)
1.1464 +{
1.1465 + MOZ_ASSERT(false);
1.1466 +}
1.1467 +
1.1468 +void
1.1469 +BluetoothOppManager::Connect(const nsAString& aDeviceAddress,
1.1470 + BluetoothProfileController* aController)
1.1471 +{
1.1472 + MOZ_ASSERT(false);
1.1473 +}
1.1474 +
1.1475 +void
1.1476 +BluetoothOppManager::OnConnect(const nsAString& aErrorStr)
1.1477 +{
1.1478 + MOZ_ASSERT(false);
1.1479 +}
1.1480 +
1.1481 +void
1.1482 +BluetoothOppManager::OnDisconnect(const nsAString& aErrorStr)
1.1483 +{
1.1484 + MOZ_ASSERT(false);
1.1485 +}
1.1486 +
1.1487 +void
1.1488 +BluetoothOppManager::Reset()
1.1489 +{
1.1490 + MOZ_ASSERT(false);
1.1491 +}
