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content / browser / devtools / request_body_collector.h [blame]
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_DEVTOOLS_REQUEST_BODY_COLLECTOR_H_
#define CONTENT_BROWSER_DEVTOOLS_REQUEST_BODY_COLLECTOR_H_
#include <string>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/containers/unique_ptr_adapters.h"
#include "base/functional/callback.h"
#include "base/types/expected.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace network {
class ResourceRequestBody;
}
namespace content {
// Exported for unit tests.
class CONTENT_EXPORT RequestBodyCollector {
public:
using BodyEntry = base::expected<std::vector<uint8_t>, std::string>;
using CompletionCallback = base::OnceCallback<void(std::vector<BodyEntry>)>;
// This may either complete synchronously, if all bodies are bytes that are
// immediately available, or asynchronously, if reading remote objects is
// required. In the former case, it invokes `callback` right away and returns
// null, in the latter case, the callback is deferred and an instance is
// returned, that needs to be retained by the caller for as long as the
// callback is desired.
static std::unique_ptr<RequestBodyCollector> Collect(
const network::ResourceRequestBody& request_body,
CompletionCallback callback);
~RequestBodyCollector();
RequestBodyCollector(const RequestBodyCollector&) = delete;
RequestBodyCollector& operator=(const RequestBodyCollector&) = delete;
private:
class BodyReader;
using ReadersMap = base::
flat_map<std::unique_ptr<BodyReader>, size_t, base::UniquePtrComparator>;
RequestBodyCollector();
void OnReaderComplete(BodyReader* reader, BodyEntry entry);
std::vector<BodyEntry> bodies_;
ReadersMap readers_;
CompletionCallback callback_;
};
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_REQUEST_BODY_COLLECTOR_H_