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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef STORAGE_COMMON_BLOB_STORAGE_BLOB_STORAGE_CONSTANTS_H_ | 5 #ifndef STORAGE_COMMON_BLOB_STORAGE_BLOB_STORAGE_CONSTANTS_H_ |
6 #define STORAGE_COMMON_BLOB_STORAGE_BLOB_STORAGE_CONSTANTS_H_ | 6 #define STORAGE_COMMON_BLOB_STORAGE_BLOB_STORAGE_CONSTANTS_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
11 #include "base/callback_forward.h" | |
12 #include "storage/common/storage_common_export.h" | |
13 | |
11 namespace storage { | 14 namespace storage { |
12 | 15 |
13 // TODO(michaeln): use base::SysInfo::AmountOfPhysicalMemoryMB() in some | 16 // TODO(michaeln): use base::SysInfo::AmountOfPhysicalMemoryMB() in some |
14 // way to come up with a better limit. | 17 // way to come up with a better limit. |
15 const int64_t kBlobStorageMaxMemoryUsage = 500 * 1024 * 1024; // Half a gig. | 18 |
16 const size_t kBlobStorageIPCThresholdBytes = 250 * 1024; | 19 const size_t kBlobStorageIPCThresholdBytes = 250 * 1024; |
17 const size_t kBlobStorageMaxSharedMemoryBytes = 10 * 1024 * 1024; | 20 const size_t kBlobStorageMaxSharedMemoryBytes = 10 * 1024 * 1024; |
18 const uint64_t kBlobStorageMaxFileSizeBytes = 100 * 1024 * 1024; | 21 const uint64_t kBlobStorageMaxFileSizeBytes = 100 * 1024 * 1024; |
19 const uint64_t kBlobStorageMinFileSizeBytes = 1 * 1024 * 1024; | 22 const uint64_t kBlobStorageMinFileSizeBytes = 5 * 1024 * 1024; |
pwnall
2016/08/17 22:01:55
I would like to see what the constants mean withou
| |
20 const size_t kBlobStorageMaxBlobMemorySize = | 23 const size_t kBlobStorageMaxBlobMemorySpace = 495 * 1024 * 1024; |
21 kBlobStorageMaxMemoryUsage - kBlobStorageMinFileSizeBytes; | 24 const uint64_t kBlobStorageInFlightSpace = kBlobStorageMinFileSizeBytes; |
25 const uint64_t kBlobStorageMaxDiskSpace = 5ull * 1024 * 1024 * 1024; // 5 gigs. | |
22 | 26 |
23 enum class IPCBlobItemRequestStrategy { | 27 enum class IPCBlobItemRequestStrategy { |
24 UNKNOWN = 0, | 28 UNKNOWN = 0, |
25 IPC, | 29 IPC, |
26 SHARED_MEMORY, | 30 SHARED_MEMORY, |
27 FILE, | 31 FILE, |
28 LAST = FILE | 32 LAST = FILE |
29 }; | 33 }; |
30 | 34 |
31 // These items cannot be reordered or renumbered because they're recorded to | 35 // This is the enum to rule them all in the blob system. |
32 // UMA. New items must be added immediately before LAST, and LAST must be set to | 36 // These values are used in UMA metrics, so they should not be changed. Please |
33 // the the last item. | 37 // update LAST_ERROR if you add an error condition and LAST if you add new |
34 enum class IPCBlobCreationCancelCode { | 38 // state. |
35 UNKNOWN = 0, | 39 enum class BlobStatus { |
36 OUT_OF_MEMORY = 1, | 40 // Error case section: |
41 // The construction arguments are invalid. This is considered a bad ipc. | |
42 ERR_INVALID_CONSTRUCTION_ARGUMENTS = 0, | |
43 // We don't have enough memory for the blob. | |
44 ERR_OUT_OF_MEMORY = 1, | |
37 // We couldn't create or write to a file. File system error, like a full disk. | 45 // We couldn't create or write to a file. File system error, like a full disk. |
38 FILE_WRITE_FAILED = 2, | 46 ERR_FILE_WRITE_FAILED = 2, |
39 // The renderer was destroyed while data was in transit. | 47 // The renderer was destroyed while data was in transit. |
40 SOURCE_DIED_IN_TRANSIT = 3, | 48 ERR_SOURCE_DIED_IN_TRANSIT = 3, |
41 // The renderer destructed the blob before it was done transferring, and there | 49 // The renderer destructed the blob before it was done transferring, and there |
42 // were no outstanding references (no one is waiting to read) to keep the | 50 // were no outstanding references (no one is waiting to read) to keep the |
43 // blob alive. | 51 // blob alive. |
44 BLOB_DEREFERENCED_WHILE_BUILDING = 4, | 52 ERR_BLOB_DEREFERENCED_WHILE_BUILDING = 4, |
45 // A blob that we referenced during construction is broken, or a browser-side | 53 // A blob that we referenced during construction is broken, or a browser-side |
46 // builder tries to build a blob with a blob reference that isn't finished | 54 // builder tries to build a blob with a blob reference that isn't finished |
47 // constructing. | 55 // constructing. |
48 REFERENCED_BLOB_BROKEN = 5, | 56 ERR_REFERENCED_BLOB_BROKEN = 5, |
49 LAST = REFERENCED_BLOB_BROKEN | 57 LAST_ERROR = ERR_REFERENCED_BLOB_BROKEN, |
58 | |
59 // Blob state section: | |
60 // The blob is finished constructing. | |
pwnall
2016/08/17 22:01:55
Nit: "blob has finished"
dmurph
2016/09/20 19:53:26
Done.
| |
61 DONE = 200, | |
62 // The system is pending on quota being granted, the transport layer | |
63 // populating pending data, and/or copying data from dependent blobs. See | |
64 // InternalBlobData::BuildingState determine which of these are happening, as | |
65 // they all can happen concurrently. | |
66 PENDING = 201, | |
67 LAST = PENDING | |
50 }; | 68 }; |
51 | 69 |
70 using BlobStatusCallback = base::Callback<void(BlobStatus)>; | |
71 | |
72 // Returns if the status is an error code. | |
73 STORAGE_COMMON_EXPORT bool BlobStatusIsError(BlobStatus status); | |
michaeln
2016/08/15 22:44:44
can this be inlined?
dmurph
2016/09/20 19:53:26
Done.
| |
74 | |
75 // Returns if the status is a bad enough error to flag the IPC as bad. This is | |
76 // only INVALID_CONSTRUCTION_ARGUMENTS. | |
77 STORAGE_COMMON_EXPORT bool BlobStatusIsBadIPC(BlobStatus status); | |
78 | |
79 // Returns if the status is 'PENDING_*'. | |
80 STORAGE_COMMON_EXPORT bool BlobStatusIsPending(BlobStatus status); | |
81 | |
52 } // namespace storage | 82 } // namespace storage |
53 | 83 |
54 #endif // STORAGE_COMMON_BLOB_STORAGE_BLOB_STORAGE_CONSTANTS_H_ | 84 #endif // STORAGE_COMMON_BLOB_STORAGE_BLOB_STORAGE_CONSTANTS_H_ |
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