OLD | NEW |
1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "device/usb/usb_device_handle_impl.h" | 5 #include "device/usb/usb_device_handle_impl.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <numeric> | |
9 #include <utility> | 8 #include <utility> |
10 #include <vector> | 9 #include <vector> |
11 | 10 |
12 #include "base/bind.h" | 11 #include "base/bind.h" |
13 #include "base/location.h" | 12 #include "base/location.h" |
14 #include "base/macros.h" | 13 #include "base/macros.h" |
15 #include "base/single_thread_task_runner.h" | 14 #include "base/single_thread_task_runner.h" |
16 #include "base/stl_util.h" | 15 #include "base/stl_util.h" |
17 #include "base/strings/string16.h" | 16 #include "base/strings/string16.h" |
18 #include "base/synchronization/lock.h" | 17 #include "base/synchronization/lock.h" |
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114 scoped_refptr<net::IOBuffer> buffer, | 113 scoped_refptr<net::IOBuffer> buffer, |
115 size_t result) { | 114 size_t result) { |
116 if (callback_task_runner->RunsTasksOnCurrentThread()) { | 115 if (callback_task_runner->RunsTasksOnCurrentThread()) { |
117 callback.Run(status, buffer, result); | 116 callback.Run(status, buffer, result); |
118 } else { | 117 } else { |
119 callback_task_runner->PostTask( | 118 callback_task_runner->PostTask( |
120 FROM_HERE, base::Bind(callback, status, buffer, result)); | 119 FROM_HERE, base::Bind(callback, status, buffer, result)); |
121 } | 120 } |
122 } | 121 } |
123 | 122 |
124 void ReportIsochronousTransferError( | |
125 scoped_refptr<base::TaskRunner> callback_task_runner, | |
126 const UsbDeviceHandle::IsochronousTransferCallback& callback, | |
127 const std::vector<uint32_t> packet_lengths, | |
128 UsbTransferStatus status) { | |
129 std::vector<UsbDeviceHandle::IsochronousPacket> packets( | |
130 packet_lengths.size()); | |
131 for (size_t i = 0; i < packet_lengths.size(); ++i) { | |
132 packets[i].length = packet_lengths[i]; | |
133 packets[i].transferred_length = 0; | |
134 packets[i].status = status; | |
135 } | |
136 if (callback_task_runner->RunsTasksOnCurrentThread()) { | |
137 callback.Run(nullptr, packets); | |
138 } else { | |
139 callback_task_runner->PostTask(FROM_HERE, | |
140 base::Bind(callback, nullptr, packets)); | |
141 } | |
142 } | |
143 | |
144 } // namespace | 123 } // namespace |
145 | 124 |
146 class UsbDeviceHandleImpl::InterfaceClaimer | 125 class UsbDeviceHandleImpl::InterfaceClaimer |
147 : public base::RefCountedThreadSafe<UsbDeviceHandleImpl::InterfaceClaimer> { | 126 : public base::RefCountedThreadSafe<UsbDeviceHandleImpl::InterfaceClaimer> { |
148 public: | 127 public: |
149 InterfaceClaimer(scoped_refptr<UsbDeviceHandleImpl> handle, | 128 InterfaceClaimer(scoped_refptr<UsbDeviceHandleImpl> handle, |
150 int interface_number); | 129 int interface_number); |
151 | 130 |
152 int alternate_setting() const { return alternate_setting_; } | 131 int alternate_setting() const { return alternate_setting_; } |
153 void set_alternate_setting(const int alternate_setting) { | 132 void set_alternate_setting(const int alternate_setting) { |
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205 scoped_refptr<net::IOBuffer> buffer, | 184 scoped_refptr<net::IOBuffer> buffer, |
206 int length, | 185 int length, |
207 unsigned int timeout, | 186 unsigned int timeout, |
208 scoped_refptr<base::TaskRunner> callback_task_runner, | 187 scoped_refptr<base::TaskRunner> callback_task_runner, |
209 const TransferCallback& callback); | 188 const TransferCallback& callback); |
210 static scoped_ptr<Transfer> CreateIsochronousTransfer( | 189 static scoped_ptr<Transfer> CreateIsochronousTransfer( |
211 scoped_refptr<UsbDeviceHandleImpl> device_handle, | 190 scoped_refptr<UsbDeviceHandleImpl> device_handle, |
212 uint8_t endpoint, | 191 uint8_t endpoint, |
213 scoped_refptr<net::IOBuffer> buffer, | 192 scoped_refptr<net::IOBuffer> buffer, |
214 size_t length, | 193 size_t length, |
215 const std::vector<uint32_t>& packet_lengths, | 194 unsigned int packets, |
| 195 unsigned int packet_length, |
216 unsigned int timeout, | 196 unsigned int timeout, |
217 scoped_refptr<base::TaskRunner> callback_task_runner, | 197 scoped_refptr<base::TaskRunner> task_runner, |
218 const IsochronousTransferCallback& callback); | 198 const TransferCallback& callback); |
219 | 199 |
220 ~Transfer(); | 200 ~Transfer(); |
221 | 201 |
222 void Submit(); | 202 void Submit(); |
223 void Cancel(); | 203 void Cancel(); |
224 void ProcessCompletion(); | 204 void ProcessCompletion(); |
225 void TransferComplete(UsbTransferStatus status, size_t bytes_transferred); | 205 void TransferComplete(UsbTransferStatus status, size_t bytes_transferred); |
226 | 206 |
227 const UsbDeviceHandleImpl::InterfaceClaimer* claimed_interface() const { | 207 const UsbDeviceHandleImpl::InterfaceClaimer* claimed_interface() const { |
228 return claimed_interface_.get(); | 208 return claimed_interface_.get(); |
229 } | 209 } |
230 | 210 |
231 scoped_refptr<base::TaskRunner> callback_task_runner() const { | 211 scoped_refptr<base::TaskRunner> callback_task_runner() const { |
232 return callback_task_runner_; | 212 return callback_task_runner_; |
233 } | 213 } |
234 | 214 |
235 private: | 215 private: |
236 Transfer(scoped_refptr<UsbDeviceHandleImpl> device_handle, | 216 Transfer(scoped_refptr<UsbDeviceHandleImpl> device_handle, |
237 scoped_refptr<InterfaceClaimer> claimed_interface, | 217 scoped_refptr<InterfaceClaimer> claimed_interface, |
238 UsbTransferType transfer_type, | 218 UsbTransferType transfer_type, |
239 scoped_refptr<net::IOBuffer> buffer, | 219 scoped_refptr<net::IOBuffer> buffer, |
240 size_t length, | 220 size_t length, |
241 scoped_refptr<base::TaskRunner> callback_task_runner, | 221 scoped_refptr<base::TaskRunner> callback_task_runner, |
242 const TransferCallback& callback); | 222 const TransferCallback& callback); |
243 Transfer(scoped_refptr<UsbDeviceHandleImpl> device_handle, | |
244 scoped_refptr<InterfaceClaimer> claimed_interface, | |
245 scoped_refptr<net::IOBuffer> buffer, | |
246 scoped_refptr<base::TaskRunner> callback_task_runner, | |
247 const IsochronousTransferCallback& callback); | |
248 | 223 |
249 static void LIBUSB_CALL PlatformCallback(PlatformUsbTransferHandle handle); | 224 static void LIBUSB_CALL PlatformCallback(PlatformUsbTransferHandle handle); |
250 | 225 |
251 void IsochronousTransferComplete(); | |
252 | |
253 UsbTransferType transfer_type_; | 226 UsbTransferType transfer_type_; |
254 scoped_refptr<UsbDeviceHandleImpl> device_handle_; | 227 scoped_refptr<UsbDeviceHandleImpl> device_handle_; |
255 PlatformUsbTransferHandle platform_transfer_ = nullptr; | 228 PlatformUsbTransferHandle platform_transfer_ = nullptr; |
256 scoped_refptr<net::IOBuffer> buffer_; | 229 scoped_refptr<net::IOBuffer> buffer_; |
257 scoped_refptr<UsbDeviceHandleImpl::InterfaceClaimer> claimed_interface_; | 230 scoped_refptr<UsbDeviceHandleImpl::InterfaceClaimer> claimed_interface_; |
258 size_t length_; | 231 size_t length_; |
259 bool cancelled_ = false; | 232 bool cancelled_ = false; |
260 scoped_refptr<base::SequencedTaskRunner> task_runner_; | 233 scoped_refptr<base::SequencedTaskRunner> task_runner_; |
261 scoped_refptr<base::TaskRunner> callback_task_runner_; | 234 scoped_refptr<base::TaskRunner> callback_task_runner_; |
262 TransferCallback callback_; | 235 TransferCallback callback_; |
263 IsochronousTransferCallback iso_callback_; | |
264 }; | 236 }; |
265 | 237 |
266 // static | 238 // static |
267 scoped_ptr<UsbDeviceHandleImpl::Transfer> | 239 scoped_ptr<UsbDeviceHandleImpl::Transfer> |
268 UsbDeviceHandleImpl::Transfer::CreateControlTransfer( | 240 UsbDeviceHandleImpl::Transfer::CreateControlTransfer( |
269 scoped_refptr<UsbDeviceHandleImpl> device_handle, | 241 scoped_refptr<UsbDeviceHandleImpl> device_handle, |
270 uint8_t type, | 242 uint8_t type, |
271 uint8_t request, | 243 uint8_t request, |
272 uint16_t value, | 244 uint16_t value, |
273 uint16_t index, | 245 uint16_t index, |
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310 scoped_ptr<Transfer> transfer(new Transfer( | 282 scoped_ptr<Transfer> transfer(new Transfer( |
311 device_handle, device_handle->GetClaimedInterfaceForEndpoint(endpoint), | 283 device_handle, device_handle->GetClaimedInterfaceForEndpoint(endpoint), |
312 USB_TRANSFER_BULK, buffer, length, callback_task_runner, callback)); | 284 USB_TRANSFER_BULK, buffer, length, callback_task_runner, callback)); |
313 | 285 |
314 transfer->platform_transfer_ = libusb_alloc_transfer(0); | 286 transfer->platform_transfer_ = libusb_alloc_transfer(0); |
315 if (!transfer->platform_transfer_) { | 287 if (!transfer->platform_transfer_) { |
316 USB_LOG(ERROR) << "Failed to allocate bulk transfer."; | 288 USB_LOG(ERROR) << "Failed to allocate bulk transfer."; |
317 return nullptr; | 289 return nullptr; |
318 } | 290 } |
319 | 291 |
320 libusb_fill_bulk_transfer(transfer->platform_transfer_, | 292 libusb_fill_bulk_transfer( |
321 device_handle->handle_, endpoint, | 293 transfer->platform_transfer_, device_handle->handle_, endpoint, |
322 reinterpret_cast<uint8_t*>(buffer->data()), length, | 294 reinterpret_cast<uint8_t*>(buffer->data()), static_cast<int>(length), |
323 &UsbDeviceHandleImpl::Transfer::PlatformCallback, | 295 &UsbDeviceHandleImpl::Transfer::PlatformCallback, transfer.get(), |
324 transfer.get(), timeout); | 296 timeout); |
325 | 297 |
326 return transfer; | 298 return transfer; |
327 } | 299 } |
328 | 300 |
329 // static | 301 // static |
330 scoped_ptr<UsbDeviceHandleImpl::Transfer> | 302 scoped_ptr<UsbDeviceHandleImpl::Transfer> |
331 UsbDeviceHandleImpl::Transfer::CreateInterruptTransfer( | 303 UsbDeviceHandleImpl::Transfer::CreateInterruptTransfer( |
332 scoped_refptr<UsbDeviceHandleImpl> device_handle, | 304 scoped_refptr<UsbDeviceHandleImpl> device_handle, |
333 uint8_t endpoint, | 305 uint8_t endpoint, |
334 scoped_refptr<net::IOBuffer> buffer, | 306 scoped_refptr<net::IOBuffer> buffer, |
335 int length, | 307 int length, |
336 unsigned int timeout, | 308 unsigned int timeout, |
337 scoped_refptr<base::TaskRunner> callback_task_runner, | 309 scoped_refptr<base::TaskRunner> callback_task_runner, |
338 const TransferCallback& callback) { | 310 const TransferCallback& callback) { |
339 scoped_ptr<Transfer> transfer(new Transfer( | 311 scoped_ptr<Transfer> transfer(new Transfer( |
340 device_handle, device_handle->GetClaimedInterfaceForEndpoint(endpoint), | 312 device_handle, device_handle->GetClaimedInterfaceForEndpoint(endpoint), |
341 USB_TRANSFER_INTERRUPT, buffer, length, callback_task_runner, callback)); | 313 USB_TRANSFER_INTERRUPT, buffer, length, callback_task_runner, callback)); |
342 | 314 |
343 transfer->platform_transfer_ = libusb_alloc_transfer(0); | 315 transfer->platform_transfer_ = libusb_alloc_transfer(0); |
344 if (!transfer->platform_transfer_) { | 316 if (!transfer->platform_transfer_) { |
345 USB_LOG(ERROR) << "Failed to allocate interrupt transfer."; | 317 USB_LOG(ERROR) << "Failed to allocate interrupt transfer."; |
346 return nullptr; | 318 return nullptr; |
347 } | 319 } |
348 | 320 |
349 libusb_fill_interrupt_transfer( | 321 libusb_fill_interrupt_transfer( |
350 transfer->platform_transfer_, device_handle->handle_, endpoint, | 322 transfer->platform_transfer_, device_handle->handle_, endpoint, |
351 reinterpret_cast<uint8_t*>(buffer->data()), length, | 323 reinterpret_cast<uint8_t*>(buffer->data()), static_cast<int>(length), |
352 &UsbDeviceHandleImpl::Transfer::PlatformCallback, transfer.get(), | 324 &UsbDeviceHandleImpl::Transfer::PlatformCallback, transfer.get(), |
353 timeout); | 325 timeout); |
354 | 326 |
355 return transfer; | 327 return transfer; |
356 } | 328 } |
357 | 329 |
358 // static | 330 // static |
359 scoped_ptr<UsbDeviceHandleImpl::Transfer> | 331 scoped_ptr<UsbDeviceHandleImpl::Transfer> |
360 UsbDeviceHandleImpl::Transfer::CreateIsochronousTransfer( | 332 UsbDeviceHandleImpl::Transfer::CreateIsochronousTransfer( |
361 scoped_refptr<UsbDeviceHandleImpl> device_handle, | 333 scoped_refptr<UsbDeviceHandleImpl> device_handle, |
362 uint8_t endpoint, | 334 uint8_t endpoint, |
363 scoped_refptr<net::IOBuffer> buffer, | 335 scoped_refptr<net::IOBuffer> buffer, |
364 size_t length, | 336 size_t length, |
365 const std::vector<uint32_t>& packet_lengths, | 337 unsigned int packets, |
| 338 unsigned int packet_length, |
366 unsigned int timeout, | 339 unsigned int timeout, |
367 scoped_refptr<base::TaskRunner> callback_task_runner, | 340 scoped_refptr<base::TaskRunner> callback_task_runner, |
368 const IsochronousTransferCallback& callback) { | 341 const TransferCallback& callback) { |
| 342 DCHECK(packets <= length && (packets * packet_length) <= length) |
| 343 << "transfer length is too small"; |
| 344 |
369 scoped_ptr<Transfer> transfer(new Transfer( | 345 scoped_ptr<Transfer> transfer(new Transfer( |
370 device_handle, device_handle->GetClaimedInterfaceForEndpoint(endpoint), | 346 device_handle, device_handle->GetClaimedInterfaceForEndpoint(endpoint), |
371 buffer, callback_task_runner, callback)); | 347 USB_TRANSFER_ISOCHRONOUS, buffer, length, callback_task_runner, |
| 348 callback)); |
372 | 349 |
373 int num_packets = static_cast<int>(packet_lengths.size()); | 350 transfer->platform_transfer_ = libusb_alloc_transfer(packets); |
374 transfer->platform_transfer_ = libusb_alloc_transfer(num_packets); | |
375 if (!transfer->platform_transfer_) { | 351 if (!transfer->platform_transfer_) { |
376 USB_LOG(ERROR) << "Failed to allocate isochronous transfer."; | 352 USB_LOG(ERROR) << "Failed to allocate isochronous transfer."; |
377 return nullptr; | 353 return nullptr; |
378 } | 354 } |
379 | 355 |
380 libusb_fill_iso_transfer( | 356 libusb_fill_iso_transfer( |
381 transfer->platform_transfer_, device_handle->handle_, endpoint, | 357 transfer->platform_transfer_, device_handle->handle_, endpoint, |
382 reinterpret_cast<uint8_t*>(buffer->data()), static_cast<int>(length), | 358 reinterpret_cast<uint8_t*>(buffer->data()), static_cast<int>(length), |
383 num_packets, &Transfer::PlatformCallback, transfer.get(), timeout); | 359 packets, &Transfer::PlatformCallback, transfer.get(), timeout); |
384 | 360 libusb_set_iso_packet_lengths(transfer->platform_transfer_, packet_length); |
385 for (size_t i = 0; i < packet_lengths.size(); ++i) | |
386 transfer->platform_transfer_->iso_packet_desc[i].length = packet_lengths[i]; | |
387 | 361 |
388 return transfer; | 362 return transfer; |
389 } | 363 } |
390 | 364 |
391 UsbDeviceHandleImpl::Transfer::Transfer( | 365 UsbDeviceHandleImpl::Transfer::Transfer( |
392 scoped_refptr<UsbDeviceHandleImpl> device_handle, | 366 scoped_refptr<UsbDeviceHandleImpl> device_handle, |
393 scoped_refptr<InterfaceClaimer> claimed_interface, | 367 scoped_refptr<InterfaceClaimer> claimed_interface, |
394 UsbTransferType transfer_type, | 368 UsbTransferType transfer_type, |
395 scoped_refptr<net::IOBuffer> buffer, | 369 scoped_refptr<net::IOBuffer> buffer, |
396 size_t length, | 370 size_t length, |
397 scoped_refptr<base::TaskRunner> callback_task_runner, | 371 scoped_refptr<base::TaskRunner> callback_task_runner, |
398 const TransferCallback& callback) | 372 const TransferCallback& callback) |
399 : transfer_type_(transfer_type), | 373 : transfer_type_(transfer_type), |
400 device_handle_(device_handle), | 374 device_handle_(device_handle), |
401 buffer_(buffer), | 375 buffer_(buffer), |
402 claimed_interface_(claimed_interface), | 376 claimed_interface_(claimed_interface), |
403 length_(length), | 377 length_(length), |
404 callback_task_runner_(callback_task_runner), | 378 callback_task_runner_(callback_task_runner), |
405 callback_(callback) { | 379 callback_(callback) { |
406 task_runner_ = base::ThreadTaskRunnerHandle::Get(); | 380 task_runner_ = base::ThreadTaskRunnerHandle::Get(); |
407 } | 381 } |
408 | 382 |
409 UsbDeviceHandleImpl::Transfer::Transfer( | |
410 scoped_refptr<UsbDeviceHandleImpl> device_handle, | |
411 scoped_refptr<InterfaceClaimer> claimed_interface, | |
412 scoped_refptr<net::IOBuffer> buffer, | |
413 scoped_refptr<base::TaskRunner> callback_task_runner, | |
414 const IsochronousTransferCallback& callback) | |
415 : transfer_type_(USB_TRANSFER_ISOCHRONOUS), | |
416 device_handle_(device_handle), | |
417 buffer_(buffer), | |
418 claimed_interface_(claimed_interface), | |
419 callback_task_runner_(callback_task_runner), | |
420 iso_callback_(callback) { | |
421 task_runner_ = base::ThreadTaskRunnerHandle::Get(); | |
422 } | |
423 | |
424 UsbDeviceHandleImpl::Transfer::~Transfer() { | 383 UsbDeviceHandleImpl::Transfer::~Transfer() { |
425 if (platform_transfer_) { | 384 if (platform_transfer_) { |
426 libusb_free_transfer(platform_transfer_); | 385 libusb_free_transfer(platform_transfer_); |
427 } | 386 } |
428 } | 387 } |
429 | 388 |
430 void UsbDeviceHandleImpl::Transfer::Submit() { | 389 void UsbDeviceHandleImpl::Transfer::Submit() { |
431 const int rv = libusb_submit_transfer(platform_transfer_); | 390 const int rv = libusb_submit_transfer(platform_transfer_); |
432 if (rv != LIBUSB_SUCCESS) { | 391 if (rv != LIBUSB_SUCCESS) { |
433 USB_LOG(EVENT) << "Failed to submit transfer: " | 392 USB_LOG(EVENT) << "Failed to submit transfer: " |
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465 if (length_ >= (LIBUSB_CONTROL_SETUP_SIZE + actual_length)) { | 424 if (length_ >= (LIBUSB_CONTROL_SETUP_SIZE + actual_length)) { |
466 // If the payload is zero bytes long, pad out the allocated buffer | 425 // If the payload is zero bytes long, pad out the allocated buffer |
467 // size to one byte so that an IOBuffer of that size can be allocated. | 426 // size to one byte so that an IOBuffer of that size can be allocated. |
468 scoped_refptr<net::IOBuffer> resized_buffer = new net::IOBuffer( | 427 scoped_refptr<net::IOBuffer> resized_buffer = new net::IOBuffer( |
469 std::max(actual_length, static_cast<size_t>(1))); | 428 std::max(actual_length, static_cast<size_t>(1))); |
470 memcpy(resized_buffer->data(), | 429 memcpy(resized_buffer->data(), |
471 buffer_->data() + LIBUSB_CONTROL_SETUP_SIZE, actual_length); | 430 buffer_->data() + LIBUSB_CONTROL_SETUP_SIZE, actual_length); |
472 buffer_ = resized_buffer; | 431 buffer_ = resized_buffer; |
473 } | 432 } |
474 } | 433 } |
475 // Fall through! | 434 break; |
| 435 |
| 436 case USB_TRANSFER_ISOCHRONOUS: |
| 437 // Isochronous replies might carry data in the different isoc packets even |
| 438 // if the transfer actual_data value is zero. Furthermore, not all of the |
| 439 // received packets might contain data, so we need to calculate how many |
| 440 // data bytes we are effectively providing and pack the results. |
| 441 if (actual_length == 0) { |
| 442 size_t packet_buffer_start = 0; |
| 443 for (int i = 0; i < platform_transfer_->num_iso_packets; ++i) { |
| 444 PlatformUsbIsoPacketDescriptor packet = |
| 445 &platform_transfer_->iso_packet_desc[i]; |
| 446 if (packet->actual_length > 0) { |
| 447 // We don't need to copy as long as all packets until now provide |
| 448 // all the data the packet can hold. |
| 449 if (actual_length < packet_buffer_start) { |
| 450 CHECK(packet_buffer_start + packet->actual_length <= length_); |
| 451 memmove(buffer_->data() + actual_length, |
| 452 buffer_->data() + packet_buffer_start, |
| 453 packet->actual_length); |
| 454 } |
| 455 actual_length += packet->actual_length; |
| 456 } |
| 457 |
| 458 packet_buffer_start += packet->length; |
| 459 } |
| 460 } |
| 461 break; |
476 | 462 |
477 case USB_TRANSFER_BULK: | 463 case USB_TRANSFER_BULK: |
478 case USB_TRANSFER_INTERRUPT: | 464 case USB_TRANSFER_INTERRUPT: |
479 TransferComplete(ConvertTransferStatus(platform_transfer_->status), | |
480 actual_length); | |
481 break; | |
482 | |
483 case USB_TRANSFER_ISOCHRONOUS: | |
484 IsochronousTransferComplete(); | |
485 break; | 465 break; |
486 | 466 |
487 default: | 467 default: |
488 NOTREACHED() << "Invalid usb transfer type"; | 468 NOTREACHED() << "Invalid usb transfer type"; |
489 break; | 469 break; |
490 } | 470 } |
| 471 |
| 472 TransferComplete(ConvertTransferStatus(platform_transfer_->status), |
| 473 actual_length); |
491 } | 474 } |
492 | 475 |
493 /* static */ | 476 /* static */ |
494 void LIBUSB_CALL UsbDeviceHandleImpl::Transfer::PlatformCallback( | 477 void LIBUSB_CALL UsbDeviceHandleImpl::Transfer::PlatformCallback( |
495 PlatformUsbTransferHandle platform_transfer) { | 478 PlatformUsbTransferHandle platform_transfer) { |
496 Transfer* transfer = | 479 Transfer* transfer = |
497 reinterpret_cast<Transfer*>(platform_transfer->user_data); | 480 reinterpret_cast<Transfer*>(platform_transfer->user_data); |
498 DCHECK(transfer->platform_transfer_ == platform_transfer); | 481 DCHECK(transfer->platform_transfer_ == platform_transfer); |
499 transfer->ProcessCompletion(); | 482 transfer->ProcessCompletion(); |
500 } | 483 } |
501 | 484 |
502 void UsbDeviceHandleImpl::Transfer::TransferComplete(UsbTransferStatus status, | 485 void UsbDeviceHandleImpl::Transfer::TransferComplete(UsbTransferStatus status, |
503 size_t bytes_transferred) { | 486 size_t bytes_transferred) { |
504 base::Closure closure; | |
505 if (transfer_type_ == USB_TRANSFER_ISOCHRONOUS) { | |
506 DCHECK_NE(LIBUSB_TRANSFER_COMPLETED, platform_transfer_->status); | |
507 std::vector<IsochronousPacket> packets(platform_transfer_->num_iso_packets); | |
508 for (size_t i = 0; i < packets.size(); ++i) { | |
509 packets[i].length = platform_transfer_->iso_packet_desc[i].length; | |
510 packets[i].transferred_length = 0; | |
511 packets[i].status = status; | |
512 } | |
513 closure = base::Bind(iso_callback_, buffer_, packets); | |
514 } else { | |
515 closure = base::Bind(callback_, status, buffer_, bytes_transferred); | |
516 } | |
517 task_runner_->PostTask( | 487 task_runner_->PostTask( |
518 FROM_HERE, base::Bind(&UsbDeviceHandleImpl::TransferComplete, | 488 FROM_HERE, |
519 device_handle_, base::Unretained(this), closure)); | 489 base::Bind(&UsbDeviceHandleImpl::TransferComplete, device_handle_, |
520 } | 490 base::Unretained(this), |
521 | 491 base::Bind(callback_, status, buffer_, bytes_transferred))); |
522 void UsbDeviceHandleImpl::Transfer::IsochronousTransferComplete() { | |
523 std::vector<IsochronousPacket> packets(platform_transfer_->num_iso_packets); | |
524 for (size_t i = 0; i < packets.size(); ++i) { | |
525 packets[i].length = platform_transfer_->iso_packet_desc[i].length; | |
526 packets[i].transferred_length = | |
527 platform_transfer_->iso_packet_desc[i].actual_length; | |
528 packets[i].status = | |
529 ConvertTransferStatus(platform_transfer_->iso_packet_desc[i].status); | |
530 } | |
531 task_runner_->PostTask( | |
532 FROM_HERE, base::Bind(&UsbDeviceHandleImpl::TransferComplete, | |
533 device_handle_, base::Unretained(this), | |
534 base::Bind(iso_callback_, buffer_, packets))); | |
535 } | 492 } |
536 | 493 |
537 scoped_refptr<UsbDevice> UsbDeviceHandleImpl::GetDevice() const { | 494 scoped_refptr<UsbDevice> UsbDeviceHandleImpl::GetDevice() const { |
538 return device_; | 495 return device_; |
539 } | 496 } |
540 | 497 |
541 void UsbDeviceHandleImpl::Close() { | 498 void UsbDeviceHandleImpl::Close() { |
542 DCHECK(thread_checker_.CalledOnValidThread()); | 499 DCHECK(thread_checker_.CalledOnValidThread()); |
543 if (device_) | 500 if (device_) |
544 device_->Close(this); | 501 device_->Close(this); |
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668 callback); | 625 callback); |
669 } else { | 626 } else { |
670 task_runner_->PostTask( | 627 task_runner_->PostTask( |
671 FROM_HERE, base::Bind(&UsbDeviceHandleImpl::ControlTransferInternal, | 628 FROM_HERE, base::Bind(&UsbDeviceHandleImpl::ControlTransferInternal, |
672 this, direction, request_type, recipient, request, | 629 this, direction, request_type, recipient, request, |
673 value, index, buffer, length, timeout, | 630 value, index, buffer, length, timeout, |
674 base::ThreadTaskRunnerHandle::Get(), callback)); | 631 base::ThreadTaskRunnerHandle::Get(), callback)); |
675 } | 632 } |
676 } | 633 } |
677 | 634 |
678 void UsbDeviceHandleImpl::IsochronousTransferIn( | 635 void UsbDeviceHandleImpl::IsochronousTransfer( |
| 636 UsbEndpointDirection direction, |
679 uint8_t endpoint_number, | 637 uint8_t endpoint_number, |
680 const std::vector<uint32_t>& packet_lengths, | 638 scoped_refptr<net::IOBuffer> buffer, |
| 639 size_t length, |
| 640 unsigned int packets, |
| 641 unsigned int packet_length, |
681 unsigned int timeout, | 642 unsigned int timeout, |
682 const IsochronousTransferCallback& callback) { | 643 const TransferCallback& callback) { |
683 uint8_t endpoint_address = | 644 uint8_t endpoint_address = |
684 ConvertTransferDirection(USB_DIRECTION_INBOUND) | endpoint_number; | 645 ConvertTransferDirection(direction) | endpoint_number; |
685 if (task_runner_->BelongsToCurrentThread()) { | 646 if (task_runner_->BelongsToCurrentThread()) { |
686 IsochronousTransferInInternal(endpoint_address, packet_lengths, timeout, | 647 IsochronousTransferInternal(endpoint_address, buffer, length, packets, |
687 task_runner_, callback); | 648 packet_length, timeout, task_runner_, callback); |
688 } else { | 649 } else { |
689 task_runner_->PostTask( | 650 task_runner_->PostTask( |
690 FROM_HERE, | 651 FROM_HERE, |
691 base::Bind(&UsbDeviceHandleImpl::IsochronousTransferInInternal, this, | 652 base::Bind(&UsbDeviceHandleImpl::IsochronousTransferInternal, this, |
692 endpoint_address, packet_lengths, timeout, | 653 endpoint_address, buffer, length, packets, packet_length, |
693 base::ThreadTaskRunnerHandle::Get(), callback)); | 654 timeout, base::ThreadTaskRunnerHandle::Get(), callback)); |
694 } | 655 } |
695 } | 656 } |
696 | 657 |
697 void UsbDeviceHandleImpl::IsochronousTransferOut( | |
698 uint8_t endpoint_number, | |
699 scoped_refptr<net::IOBuffer> buffer, | |
700 const std::vector<uint32_t>& packet_lengths, | |
701 unsigned int timeout, | |
702 const IsochronousTransferCallback& callback) { | |
703 uint8_t endpoint_address = | |
704 ConvertTransferDirection(USB_DIRECTION_OUTBOUND) | endpoint_number; | |
705 if (task_runner_->BelongsToCurrentThread()) { | |
706 IsochronousTransferOutInternal(endpoint_address, buffer, packet_lengths, | |
707 timeout, task_runner_, callback); | |
708 } else { | |
709 task_runner_->PostTask( | |
710 FROM_HERE, | |
711 base::Bind(&UsbDeviceHandleImpl::IsochronousTransferOutInternal, this, | |
712 endpoint_address, buffer, packet_lengths, timeout, | |
713 base::ThreadTaskRunnerHandle::Get(), callback)); | |
714 } | |
715 } | |
716 | |
717 void UsbDeviceHandleImpl::GenericTransfer(UsbEndpointDirection direction, | 658 void UsbDeviceHandleImpl::GenericTransfer(UsbEndpointDirection direction, |
718 uint8_t endpoint_number, | 659 uint8_t endpoint_number, |
719 scoped_refptr<net::IOBuffer> buffer, | 660 scoped_refptr<net::IOBuffer> buffer, |
720 size_t length, | 661 size_t length, |
721 unsigned int timeout, | 662 unsigned int timeout, |
722 const TransferCallback& callback) { | 663 const TransferCallback& callback) { |
723 uint8_t endpoint_address = | 664 uint8_t endpoint_address = |
724 ConvertTransferDirection(direction) | endpoint_number; | 665 ConvertTransferDirection(direction) | endpoint_number; |
725 if (task_runner_->BelongsToCurrentThread()) { | 666 if (task_runner_->BelongsToCurrentThread()) { |
726 GenericTransferInternal(endpoint_address, buffer, length, timeout, | 667 GenericTransferInternal(endpoint_address, buffer, length, timeout, |
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938 callback_task_runner, callback); | 879 callback_task_runner, callback); |
939 if (!transfer) { | 880 if (!transfer) { |
940 RunTransferCallback(callback_task_runner, callback, USB_TRANSFER_ERROR, | 881 RunTransferCallback(callback_task_runner, callback, USB_TRANSFER_ERROR, |
941 buffer, 0); | 882 buffer, 0); |
942 return; | 883 return; |
943 } | 884 } |
944 | 885 |
945 SubmitTransfer(std::move(transfer)); | 886 SubmitTransfer(std::move(transfer)); |
946 } | 887 } |
947 | 888 |
948 void UsbDeviceHandleImpl::IsochronousTransferInInternal( | 889 void UsbDeviceHandleImpl::IsochronousTransferInternal( |
949 uint8_t endpoint_address, | 890 uint8_t endpoint_address, |
950 const std::vector<uint32_t>& packet_lengths, | 891 scoped_refptr<net::IOBuffer> buffer, |
| 892 size_t length, |
| 893 unsigned int packets, |
| 894 unsigned int packet_length, |
951 unsigned int timeout, | 895 unsigned int timeout, |
952 scoped_refptr<base::TaskRunner> callback_task_runner, | 896 scoped_refptr<base::TaskRunner> callback_task_runner, |
953 const IsochronousTransferCallback& callback) { | 897 const TransferCallback& callback) { |
954 DCHECK(thread_checker_.CalledOnValidThread()); | 898 DCHECK(thread_checker_.CalledOnValidThread()); |
955 | 899 |
956 if (!device_) { | 900 if (!device_) { |
957 ReportIsochronousTransferError(callback_task_runner, callback, | 901 RunTransferCallback(callback_task_runner, callback, USB_TRANSFER_DISCONNECT, |
958 packet_lengths, USB_TRANSFER_DISCONNECT); | 902 buffer, 0); |
959 return; | 903 return; |
960 } | 904 } |
961 | 905 |
962 size_t length = | 906 if (!base::IsValueInRangeForNumericType<int>(length)) { |
963 std::accumulate(packet_lengths.begin(), packet_lengths.end(), 0u); | 907 USB_LOG(USER) << "Transfer too long."; |
964 scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(length)); | 908 RunTransferCallback(callback_task_runner, callback, USB_TRANSFER_ERROR, |
| 909 buffer, 0); |
| 910 return; |
| 911 } |
| 912 |
965 scoped_ptr<Transfer> transfer = Transfer::CreateIsochronousTransfer( | 913 scoped_ptr<Transfer> transfer = Transfer::CreateIsochronousTransfer( |
966 this, endpoint_address, buffer, length, packet_lengths, timeout, | 914 this, endpoint_address, buffer, static_cast<int>(length), packets, |
967 callback_task_runner, callback); | 915 packet_length, timeout, callback_task_runner, callback); |
968 | 916 |
969 SubmitTransfer(std::move(transfer)); | 917 SubmitTransfer(std::move(transfer)); |
970 } | 918 } |
971 | |
972 void UsbDeviceHandleImpl::IsochronousTransferOutInternal( | |
973 uint8_t endpoint_address, | |
974 scoped_refptr<net::IOBuffer> buffer, | |
975 const std::vector<uint32_t>& packet_lengths, | |
976 unsigned int timeout, | |
977 scoped_refptr<base::TaskRunner> callback_task_runner, | |
978 const IsochronousTransferCallback& callback) { | |
979 DCHECK(thread_checker_.CalledOnValidThread()); | |
980 | |
981 if (!device_) { | |
982 ReportIsochronousTransferError(callback_task_runner, callback, | |
983 packet_lengths, USB_TRANSFER_DISCONNECT); | |
984 return; | |
985 } | |
986 | |
987 size_t length = | |
988 std::accumulate(packet_lengths.begin(), packet_lengths.end(), 0u); | |
989 scoped_ptr<Transfer> transfer = Transfer::CreateIsochronousTransfer( | |
990 this, endpoint_address, buffer, length, packet_lengths, timeout, | |
991 callback_task_runner, callback); | |
992 | |
993 SubmitTransfer(std::move(transfer)); | |
994 } | |
995 | 919 |
996 void UsbDeviceHandleImpl::GenericTransferInternal( | 920 void UsbDeviceHandleImpl::GenericTransferInternal( |
997 uint8_t endpoint_address, | 921 uint8_t endpoint_address, |
998 scoped_refptr<net::IOBuffer> buffer, | 922 scoped_refptr<net::IOBuffer> buffer, |
999 size_t length, | 923 size_t length, |
1000 unsigned int timeout, | 924 unsigned int timeout, |
1001 scoped_refptr<base::TaskRunner> callback_task_runner, | 925 scoped_refptr<base::TaskRunner> callback_task_runner, |
1002 const TransferCallback& callback) { | 926 const TransferCallback& callback) { |
1003 DCHECK(thread_checker_.CalledOnValidThread()); | 927 DCHECK(thread_checker_.CalledOnValidThread()); |
1004 | 928 |
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1088 // Attempt-release all the interfaces. | 1012 // Attempt-release all the interfaces. |
1089 // It will be retained until the transfer cancellation is finished. | 1013 // It will be retained until the transfer cancellation is finished. |
1090 claimed_interfaces_.clear(); | 1014 claimed_interfaces_.clear(); |
1091 | 1015 |
1092 // Cannot close device handle here. Need to wait for libusb_cancel_transfer to | 1016 // Cannot close device handle here. Need to wait for libusb_cancel_transfer to |
1093 // finish. | 1017 // finish. |
1094 device_ = NULL; | 1018 device_ = NULL; |
1095 } | 1019 } |
1096 | 1020 |
1097 } // namespace device | 1021 } // namespace device |
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