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Unified Diff: storage/common/blob_storage/blob_item_bytes_response.h

Issue 1288373002: [BlobAsync] Patch 2: Common Constants (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@async1
Patch Set: Created 5 years, 4 months ago
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Index: storage/common/blob_storage/blob_item_bytes_response.h
diff --git a/storage/common/blob_storage/blob_item_bytes_response.h b/storage/common/blob_storage/blob_item_bytes_response.h
new file mode 100644
index 0000000000000000000000000000000000000000..49309db3464a9915d8e4e490d05cdc06c714710d
--- /dev/null
+++ b/storage/common/blob_storage/blob_item_bytes_response.h
@@ -0,0 +1,65 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef STORAGE_COMMON_BLOB_STORAGE_BLOB_ITEM_BYTES_RESPONSE_H_
+#define STORAGE_COMMON_BLOB_STORAGE_BLOB_ITEM_BYTES_RESPONSE_H_
+
+#include <stdint.h>
+#include <algorithm>
+#include <ostream>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "storage/common/storage_common_export.h"
+
+namespace storage {
+
+// This class is serialized over IPC to send blob item data, or to signal that
+// the memory has been populated.
+struct STORAGE_COMMON_EXPORT BlobItemBytesResponse {
+ // not using std::numeric_limits<T>::max() because of non-C++11 builds.
+ static const size_t kInvalidIndex = SIZE_MAX;
+
+ BlobItemBytesResponse();
+ explicit BlobItemBytesResponse(size_t request_number);
+ ~BlobItemBytesResponse();
+
+ char* allocate_mutable_data(size_t size) {
+ inline_data.resize(size);
+ return &inline_data[0];
+ }
+
+ size_t request_number;
+ std::vector<char> inline_data;
+};
+
+#if defined(UNIT_TEST)
+STORAGE_COMMON_EXPORT inline bool operator==(const BlobItemBytesResponse& a,
+ const BlobItemBytesResponse& b) {
+ return a.request_number == b.request_number &&
+ a.inline_data.size() == b.inline_data.size() &&
+ std::equal(a.inline_data.begin(),
+ a.inline_data.begin() + a.inline_data.size(),
+ b.inline_data.begin());
+}
+
+STORAGE_COMMON_EXPORT inline bool operator!=(const BlobItemBytesResponse& a,
+ const BlobItemBytesResponse& b) {
+ return !(a == b);
+}
+
+STORAGE_COMMON_EXPORT inline ::std::ostream& operator<<(
+ ::std::ostream& os,
+ const BlobItemBytesResponse& response) {
+ std::string data_string(response.inline_data.begin(),
+ response.inline_data.end());
+ return os << "{ request_number: " << response.request_number
+ << ", inline_data size: " << response.inline_data.size()
+ << ", inline_data: " << data_string << " }";
+}
+#endif // defined(UNIT_TEST)
+
+} // namespace storage
+
+#endif // STORAGE_COMMON_BLOB_STORAGE_BLOB_ITEM_BYTES_RESPONSE_H_

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