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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 CONTENT_BROWSER_BLOB_STORAGE_BLOB_DISPATCHER_HOST_H_ | 5 #ifndef CONTENT_BROWSER_BLOB_STORAGE_BLOB_DISPATCHER_HOST_H_ |
6 #define CONTENT_BROWSER_BLOB_STORAGE_BLOB_DISPATCHER_HOST_H_ | 6 #define CONTENT_BROWSER_BLOB_STORAGE_BLOB_DISPATCHER_HOST_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/files/file.h" | 12 #include "base/files/file.h" |
13 #include "base/gtest_prod_util.h" | 13 #include "base/gtest_prod_util.h" |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
16 #include "base/memory/shared_memory_handle.h" | 16 #include "base/memory/shared_memory_handle.h" |
17 #include "content/common/content_export.h" | 17 #include "content/common/content_export.h" |
18 #include "content/public/browser/browser_message_filter.h" | 18 #include "content/public/browser/browser_message_filter.h" |
19 #include "storage/browser/blob/blob_async_builder_host.h" | 19 #include "storage/browser/blob/blob_async_builder_host.h" |
20 #include "storage/browser/blob/blob_transport_result.h" | |
21 #include "storage/common/blob_storage/blob_storage_constants.h" | 20 #include "storage/common/blob_storage/blob_storage_constants.h" |
22 | 21 |
23 class GURL; | 22 class GURL; |
24 | 23 |
25 namespace IPC { | 24 namespace IPC { |
26 class Sender; | 25 class Sender; |
27 } | 26 } |
28 | 27 |
29 namespace storage { | 28 namespace storage { |
30 class DataElement; | 29 class DataElement; |
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47 public: | 46 public: |
48 explicit BlobDispatcherHost(ChromeBlobStorageContext* blob_storage_context); | 47 explicit BlobDispatcherHost(ChromeBlobStorageContext* blob_storage_context); |
49 | 48 |
50 // BrowserMessageFilter implementation. | 49 // BrowserMessageFilter implementation. |
51 void OnChannelClosing() override; | 50 void OnChannelClosing() override; |
52 bool OnMessageReceived(const IPC::Message& message) override; | 51 bool OnMessageReceived(const IPC::Message& message) override; |
53 | 52 |
54 protected: | 53 protected: |
55 ~BlobDispatcherHost() override; | 54 ~BlobDispatcherHost() override; |
56 | 55 |
57 // For testing use only. | |
58 void SetMemoryConstantsForTesting(size_t max_ipc_memory_size, | |
59 size_t max_shared_memory_size, | |
60 uint64_t max_file_size) { | |
61 async_builder_.SetMemoryConstantsForTesting( | |
62 max_ipc_memory_size, max_shared_memory_size, max_file_size); | |
63 } | |
64 | |
65 private: | 56 private: |
66 friend class base::RefCountedThreadSafe<BlobDispatcherHost>; | 57 friend class base::RefCountedThreadSafe<BlobDispatcherHost>; |
67 friend class BlobDispatcherHostTest; | 58 friend class BlobDispatcherHostTest; |
68 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, EmptyUUIDs); | 59 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, EmptyUUIDs); |
69 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, MultipleTransfers); | 60 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, MultipleTransfers); |
70 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, SharedMemoryTransfer); | 61 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, SharedMemoryTransfer); |
71 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, OnCancelBuildingBlob); | 62 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, OnCancelBuildingBlob); |
72 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, | 63 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, |
73 BlobReferenceWhileConstructing); | 64 BlobReferenceWhileConstructing); |
74 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, | 65 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, |
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89 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, | 80 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, |
90 DeferenceBlobOnDifferentHost); | 81 DeferenceBlobOnDifferentHost); |
91 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, BuildingReferenceChain); | 82 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, BuildingReferenceChain); |
92 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, | 83 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, |
93 BuildingReferenceChainWithCancel); | 84 BuildingReferenceChainWithCancel); |
94 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, | 85 FRIEND_TEST_ALL_PREFIXES(BlobDispatcherHostTest, |
95 BuildingReferenceChainWithSourceDeath); | 86 BuildingReferenceChainWithSourceDeath); |
96 | 87 |
97 typedef std::map<std::string, int> BlobReferenceMap; | 88 typedef std::map<std::string, int> BlobReferenceMap; |
98 | 89 |
99 void OnRegisterBlobUUID(const std::string& uuid, | 90 void OnRegisterBlob(const std::string& uuid, |
100 const std::string& content_type, | 91 const std::string& content_type, |
101 const std::string& content_disposition, | 92 const std::string& content_disposition, |
102 const std::set<std::string>& referenced_blob_uuids); | 93 const std::vector<storage::DataElement>& descriptions); |
103 void OnStartBuildingBlob( | |
104 const std::string& uuid, | |
105 const std::vector<storage::DataElement>& descriptions); | |
106 void OnMemoryItemResponse( | 94 void OnMemoryItemResponse( |
107 const std::string& uuid, | 95 const std::string& uuid, |
108 const std::vector<storage::BlobItemBytesResponse>& response); | 96 const std::vector<storage::BlobItemBytesResponse>& response); |
109 void OnCancelBuildingBlob(const std::string& uuid, | 97 void OnCancelBuildingBob(const std::string& uuid, |
110 const storage::IPCBlobCreationCancelCode code); | 98 const storage::BlobStatus code); |
111 | 99 |
112 void OnIncrementBlobRefCount(const std::string& uuid); | 100 void OnIncrementBlobRefCount(const std::string& uuid); |
113 void OnDecrementBlobRefCount(const std::string& uuid); | 101 void OnDecrementBlobRefCount(const std::string& uuid); |
114 void OnRegisterPublicBlobURL(const GURL& public_url, const std::string& uuid); | 102 void OnRegisterPublicBlobURL(const GURL& public_url, const std::string& uuid); |
115 void OnRevokePublicBlobURL(const GURL& public_url); | 103 void OnRevokePublicBlobURL(const GURL& public_url); |
116 | 104 |
117 storage::BlobStorageContext* context(); | 105 storage::BlobStorageContext* context(); |
118 | 106 |
119 void SendMemoryRequest( | 107 void SendMemoryRequest(const std::string& uuid, |
120 const std::string& uuid, | 108 std::vector<storage::BlobItemBytesRequest> requests, |
121 std::unique_ptr<std::vector<storage::BlobItemBytesRequest>> requests, | 109 std::vector<base::SharedMemoryHandle> memory_handles, |
122 std::unique_ptr<std::vector<base::SharedMemoryHandle>> memory_handles, | 110 std::vector<base::File> files); |
123 std::unique_ptr<std::vector<base::File>> files); | |
124 | 111 |
125 // Send the appropriate IPC response to the renderer for the given result. | 112 // We send the status unless it's BlobStatus::PENDING. |
126 void SendIPCResponse(const std::string& uuid, | 113 void MaybeSendFinalBlobStatus(const std::string& uuid, |
127 storage::BlobTransportResult result); | 114 storage::BlobStatus status); |
128 | 115 |
129 bool IsInUseInHost(const std::string& uuid); | 116 bool IsInUseInHost(const std::string& uuid); |
130 bool IsUrlRegisteredInHost(const GURL& blob_url); | 117 bool IsUrlRegisteredInHost(const GURL& blob_url); |
131 | 118 |
132 // Unregisters all blobs and urls that were registered in this host. | 119 // Unregisters all blobs and urls that were registered in this host. |
133 void ClearHostFromBlobStorageContext(); | 120 void ClearHostFromBlobStorageContext(); |
134 | 121 |
135 // Collection of blob ids and a count of how many usages | 122 // Collection of blob ids and a count of how many usages |
136 // of that id are attributable to this consumer. | 123 // of that id are attributable to this consumer. |
137 BlobReferenceMap blobs_inuse_map_; | 124 BlobReferenceMap blobs_inuse_map_; |
138 | 125 |
139 // The set of public blob urls coined by this consumer. | 126 // The set of public blob urls coined by this consumer. |
140 std::set<GURL> public_blob_urls_; | 127 std::set<GURL> public_blob_urls_; |
141 | 128 |
142 scoped_refptr<ChromeBlobStorageContext> blob_storage_context_; | 129 scoped_refptr<ChromeBlobStorageContext> blob_storage_context_; |
143 storage::BlobAsyncBuilderHost async_builder_; | 130 storage::BlobAsyncBuilderHost async_builder_; |
144 | 131 |
145 DISALLOW_COPY_AND_ASSIGN(BlobDispatcherHost); | 132 DISALLOW_COPY_AND_ASSIGN(BlobDispatcherHost); |
146 }; | 133 }; |
147 } // namespace content | 134 } // namespace content |
148 #endif // CONTENT_BROWSER_BLOB_STORAGE_BLOB_DISPATCHER_HOST_H_ | 135 #endif // CONTENT_BROWSER_BLOB_STORAGE_BLOB_DISPATCHER_HOST_H_ |
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