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// Copyright 2017 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_DEVTOOLS_PIPE_HANDLER_H_
#define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_PIPE_HANDLER_H_
#include "base/containers/span.h"
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/devtools_agent_host_client.h"
namespace content {
class PipeReaderBase;
class PipeWriterBase;
class DevToolsPipeHandler : public DevToolsAgentHostClient {
public:
DevToolsPipeHandler(int read_fd,
int write_fd,
base::OnceClosure on_disconnect);
DevToolsPipeHandler(const DevToolsPipeHandler&) = delete;
DevToolsPipeHandler& operator=(const DevToolsPipeHandler&) = delete;
~DevToolsPipeHandler() override;
void HandleMessage(std::vector<uint8_t> message);
void OnDisconnect();
// DevToolsAgentHostClient overrides
void DispatchProtocolMessage(DevToolsAgentHost* agent_host,
base::span<const uint8_t> message) override;
void AgentHostClosed(DevToolsAgentHost* agent_host) override;
bool UsesBinaryProtocol() override;
bool AllowUnsafeOperations() override;
std::string GetTypeForMetrics() override;
void Shutdown();
private:
enum class ProtocolMode {
// Legacy text protocol format with messages separated by \0's.
kASCIIZ,
// Experimental (!) CBOR (RFC 7049) based binary format.
kCBOR
};
ProtocolMode mode_;
base::OnceClosure on_disconnect_;
std::unique_ptr<PipeReaderBase> pipe_reader_;
std::unique_ptr<PipeWriterBase> pipe_writer_;
scoped_refptr<DevToolsAgentHost> browser_target_;
int read_fd_;
int write_fd_;
bool shutting_down_ = false;
base::WeakPtrFactory<DevToolsPipeHandler> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_PIPE_HANDLER_H_
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