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Side by Side Diff: storage/browser/blob/blob_storage_context.cc

Issue 2339933004: [BlobStorage] BlobMemoryController & tests (Closed)
Patch Set: format and hopefully windows fix Created 4 years, 2 months ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2013 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 "storage/browser/blob/blob_storage_context.h" 5 #include "storage/browser/blob/blob_storage_context.h"
6 6
7 #include <stddef.h> 7 #include <stddef.h>
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <algorithm> 10 #include <algorithm>
(...skipping 272 matching lines...) Expand 10 before | Expand all | Expand 10 after
283 switch (data_element.type()) { 283 switch (data_element.type()) {
284 case DataElement::TYPE_BYTES: 284 case DataElement::TYPE_BYTES:
285 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.Bytes", length / 1024); 285 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.Bytes", length / 1024);
286 DCHECK(!offset); 286 DCHECK(!offset);
287 if (memory_usage_ + length > kBlobStorageMaxMemoryUsage) { 287 if (memory_usage_ + length > kBlobStorageMaxMemoryUsage) {
288 error = true; 288 error = true;
289 *error_code = IPCBlobCreationCancelCode::OUT_OF_MEMORY; 289 *error_code = IPCBlobCreationCancelCode::OUT_OF_MEMORY;
290 break; 290 break;
291 } 291 }
292 memory_usage_ += length; 292 memory_usage_ += length;
293 target_blob_builder->AppendSharedBlobItem( 293 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem(
294 new ShareableBlobDataItem(target_blob_uuid, blob_item)); 294 target_blob_uuid, blob_item,
295 ShareableBlobDataItem::POPULATED_WITH_QUOTA));
295 break; 296 break;
296 case DataElement::TYPE_FILE: { 297 case DataElement::TYPE_FILE: {
297 bool full_file = (length == std::numeric_limits<uint64_t>::max()); 298 bool full_file = (length == std::numeric_limits<uint64_t>::max());
298 UMA_HISTOGRAM_BOOLEAN("Storage.BlobItemSize.File.Unknown", full_file); 299 UMA_HISTOGRAM_BOOLEAN("Storage.BlobItemSize.File.Unknown", full_file);
299 if (!full_file) { 300 if (!full_file) {
300 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.File", 301 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.File",
301 (length - offset) / 1024); 302 (length - offset) / 1024);
302 } 303 }
303 target_blob_builder->AppendSharedBlobItem( 304 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem(
304 new ShareableBlobDataItem(target_blob_uuid, blob_item)); 305 target_blob_uuid, blob_item,
306 ShareableBlobDataItem::POPULATED_WITHOUT_QUOTA));
305 break; 307 break;
306 } 308 }
307 case DataElement::TYPE_FILE_FILESYSTEM: { 309 case DataElement::TYPE_FILE_FILESYSTEM: {
308 bool full_file = (length == std::numeric_limits<uint64_t>::max()); 310 bool full_file = (length == std::numeric_limits<uint64_t>::max());
309 UMA_HISTOGRAM_BOOLEAN("Storage.BlobItemSize.FileSystem.Unknown", 311 UMA_HISTOGRAM_BOOLEAN("Storage.BlobItemSize.FileSystem.Unknown",
310 full_file); 312 full_file);
311 if (!full_file) { 313 if (!full_file) {
312 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.FileSystem", 314 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.FileSystem",
313 (length - offset) / 1024); 315 (length - offset) / 1024);
314 } 316 }
315 target_blob_builder->AppendSharedBlobItem( 317 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem(
316 new ShareableBlobDataItem(target_blob_uuid, blob_item)); 318 target_blob_uuid, blob_item,
319 ShareableBlobDataItem::POPULATED_WITHOUT_QUOTA));
317 break; 320 break;
318 } 321 }
319 case DataElement::TYPE_BLOB: { 322 case DataElement::TYPE_BLOB: {
320 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.Blob", 323 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.Blob",
321 (length - offset) / 1024); 324 (length - offset) / 1024);
322 // We grab the handle to ensure it stays around while we copy it. 325 // We grab the handle to ensure it stays around while we copy it.
323 std::unique_ptr<BlobDataHandle> src = 326 std::unique_ptr<BlobDataHandle> src =
324 GetBlobDataFromUUID(data_element.blob_uuid()); 327 GetBlobDataFromUUID(data_element.blob_uuid());
325 if (!src || src->IsBroken() || src->IsBeingBuilt()) { 328 if (!src || src->IsBroken() || src->IsBeingBuilt()) {
326 error = true; 329 error = true;
327 *error_code = IPCBlobCreationCancelCode::REFERENCED_BLOB_BROKEN; 330 *error_code = IPCBlobCreationCancelCode::REFERENCED_BLOB_BROKEN;
328 break; 331 break;
329 } 332 }
330 BlobRegistryEntry* other_entry = 333 BlobRegistryEntry* other_entry =
331 registry_.GetEntry(data_element.blob_uuid()); 334 registry_.GetEntry(data_element.blob_uuid());
332 DCHECK(other_entry->data); 335 DCHECK(other_entry->data);
333 if (!AppendBlob(target_blob_uuid, *other_entry->data, offset, length, 336 if (!AppendBlob(target_blob_uuid, *other_entry->data, offset, length,
334 target_blob_builder)) { 337 target_blob_builder)) {
335 error = true; 338 error = true;
336 *error_code = IPCBlobCreationCancelCode::OUT_OF_MEMORY; 339 *error_code = IPCBlobCreationCancelCode::OUT_OF_MEMORY;
337 } 340 }
338 break; 341 break;
339 } 342 }
340 case DataElement::TYPE_DISK_CACHE_ENTRY: { 343 case DataElement::TYPE_DISK_CACHE_ENTRY: {
341 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.CacheEntry", 344 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.CacheEntry",
342 (length - offset) / 1024); 345 (length - offset) / 1024);
343 target_blob_builder->AppendSharedBlobItem( 346 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem(
344 new ShareableBlobDataItem(target_blob_uuid, blob_item)); 347 target_blob_uuid, blob_item,
348 ShareableBlobDataItem::POPULATED_WITHOUT_QUOTA));
345 break; 349 break;
346 } 350 }
347 case DataElement::TYPE_BYTES_DESCRIPTION: 351 case DataElement::TYPE_BYTES_DESCRIPTION:
348 case DataElement::TYPE_UNKNOWN: 352 case DataElement::TYPE_UNKNOWN:
349 NOTREACHED(); 353 NOTREACHED();
350 break; 354 break;
351 } 355 }
352 UMA_HISTOGRAM_COUNTS("Storage.Blob.StorageSizeAfterAppend", 356 UMA_HISTOGRAM_COUNTS("Storage.Blob.StorageSizeAfterAppend",
353 memory_usage_ / 1024); 357 memory_usage_ / 1024);
354 return !error; 358 return !error;
(...skipping 23 matching lines...) Expand all
378 scoped_refptr<ShareableBlobDataItem> shareable_item = iter->get(); 382 scoped_refptr<ShareableBlobDataItem> shareable_item = iter->get();
379 const BlobDataItem& item = *(shareable_item->item()); 383 const BlobDataItem& item = *(shareable_item->item());
380 uint64_t item_length = item.length(); 384 uint64_t item_length = item.length();
381 DCHECK_GT(item_length, offset); 385 DCHECK_GT(item_length, offset);
382 uint64_t current_length = item_length - offset; 386 uint64_t current_length = item_length - offset;
383 uint64_t new_length = current_length > length ? length : current_length; 387 uint64_t new_length = current_length > length ? length : current_length;
384 388
385 bool reusing_blob_item = offset == 0 && new_length == item.length(); 389 bool reusing_blob_item = offset == 0 && new_length == item.length();
386 UMA_HISTOGRAM_BOOLEAN("Storage.Blob.ReusedItem", reusing_blob_item); 390 UMA_HISTOGRAM_BOOLEAN("Storage.Blob.ReusedItem", reusing_blob_item);
387 if (reusing_blob_item) { 391 if (reusing_blob_item) {
388 shareable_item->referencing_blobs().insert(target_blob_uuid); 392 shareable_item->referencing_blobs_mutable()->insert(target_blob_uuid);
389 target_blob_builder->AppendSharedBlobItem(shareable_item); 393 target_blob_builder->AppendSharedBlobItem(shareable_item);
390 length -= new_length; 394 length -= new_length;
391 continue; 395 continue;
392 } 396 }
393 397
394 // We need to do copying of the items when we have a different offset or 398 // We need to do copying of the items when we have a different offset or
395 // length 399 // length
396 switch (item.type()) { 400 switch (item.type()) {
397 case DataElement::TYPE_BYTES: { 401 case DataElement::TYPE_BYTES: {
398 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.BlobSlice.Bytes", 402 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.BlobSlice.Bytes",
399 new_length / 1024); 403 new_length / 1024);
400 if (memory_usage_ + new_length > kBlobStorageMaxMemoryUsage) { 404 if (memory_usage_ + new_length > kBlobStorageMaxMemoryUsage) {
401 return false; 405 return false;
402 } 406 }
403 DCHECK(!item.offset()); 407 DCHECK(!item.offset());
404 std::unique_ptr<DataElement> element(new DataElement()); 408 std::unique_ptr<DataElement> element(new DataElement());
405 element->SetToBytes(item.bytes() + offset, 409 element->SetToBytes(item.bytes() + offset,
406 static_cast<int64_t>(new_length)); 410 static_cast<int64_t>(new_length));
407 memory_usage_ += new_length; 411 memory_usage_ += new_length;
408 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem( 412 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem(
409 target_blob_uuid, new BlobDataItem(std::move(element)))); 413 target_blob_uuid, new BlobDataItem(std::move(element)),
414 ShareableBlobDataItem::POPULATED_WITH_QUOTA));
410 } break; 415 } break;
411 case DataElement::TYPE_FILE: { 416 case DataElement::TYPE_FILE: {
412 DCHECK_NE(item.length(), std::numeric_limits<uint64_t>::max()) 417 DCHECK_NE(item.length(), std::numeric_limits<uint64_t>::max())
413 << "We cannot use a section of a file with an unknown length"; 418 << "We cannot use a section of a file with an unknown length";
414 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.BlobSlice.File", 419 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.BlobSlice.File",
415 new_length / 1024); 420 new_length / 1024);
416 std::unique_ptr<DataElement> element(new DataElement()); 421 std::unique_ptr<DataElement> element(new DataElement());
417 element->SetToFilePathRange(item.path(), item.offset() + offset, 422 element->SetToFilePathRange(item.path(), item.offset() + offset,
418 new_length, 423 new_length,
419 item.expected_modification_time()); 424 item.expected_modification_time());
420 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem( 425 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem(
421 target_blob_uuid, 426 target_blob_uuid,
422 new BlobDataItem(std::move(element), item.data_handle_))); 427 new BlobDataItem(std::move(element), item.data_handle_),
428 ShareableBlobDataItem::POPULATED_WITHOUT_QUOTA));
423 } break; 429 } break;
424 case DataElement::TYPE_FILE_FILESYSTEM: { 430 case DataElement::TYPE_FILE_FILESYSTEM: {
425 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.BlobSlice.FileSystem", 431 UMA_HISTOGRAM_COUNTS("Storage.BlobItemSize.BlobSlice.FileSystem",
426 new_length / 1024); 432 new_length / 1024);
427 std::unique_ptr<DataElement> element(new DataElement()); 433 std::unique_ptr<DataElement> element(new DataElement());
428 element->SetToFileSystemUrlRange(item.filesystem_url(), 434 element->SetToFileSystemUrlRange(item.filesystem_url(),
429 item.offset() + offset, new_length, 435 item.offset() + offset, new_length,
430 item.expected_modification_time()); 436 item.expected_modification_time());
431 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem( 437 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem(
432 target_blob_uuid, new BlobDataItem(std::move(element)))); 438 target_blob_uuid, new BlobDataItem(std::move(element)),
439 ShareableBlobDataItem::POPULATED_WITHOUT_QUOTA));
433 } break; 440 } break;
434 case DataElement::TYPE_DISK_CACHE_ENTRY: { 441 case DataElement::TYPE_DISK_CACHE_ENTRY: {
435 std::unique_ptr<DataElement> element(new DataElement()); 442 std::unique_ptr<DataElement> element(new DataElement());
436 element->SetToDiskCacheEntryRange(item.offset() + offset, 443 element->SetToDiskCacheEntryRange(item.offset() + offset,
437 new_length); 444 new_length);
438 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem( 445 target_blob_builder->AppendSharedBlobItem(new ShareableBlobDataItem(
439 target_blob_uuid, 446 target_blob_uuid,
440 new BlobDataItem(std::move(element), item.data_handle_, 447 new BlobDataItem(std::move(element), item.data_handle_,
441 item.disk_cache_entry(), 448 item.disk_cache_entry(),
442 item.disk_cache_stream_index(), 449 item.disk_cache_stream_index(),
443 item.disk_cache_side_stream_index()))); 450 item.disk_cache_side_stream_index()),
451 ShareableBlobDataItem::POPULATED_WITHOUT_QUOTA));
444 } break; 452 } break;
445 case DataElement::TYPE_BYTES_DESCRIPTION: 453 case DataElement::TYPE_BYTES_DESCRIPTION:
446 case DataElement::TYPE_BLOB: 454 case DataElement::TYPE_BLOB:
447 case DataElement::TYPE_UNKNOWN: 455 case DataElement::TYPE_UNKNOWN:
448 CHECK(false) << "Illegal blob item type: " << item.type(); 456 CHECK(false) << "Illegal blob item type: " << item.type();
449 } 457 }
450 length -= new_length; 458 length -= new_length;
451 offset = 0; 459 offset = 0;
452 } 460 }
453 return true; 461 return true;
454 } 462 }
455 463
456 } // namespace storage 464 } // namespace storage
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