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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/webui/examples/browser/devtools/devtools_server.h"
#include "base/atomicops.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/devtools_socket_factory.h"
#include "content/public/common/content_switches.h"
#include "net/base/net_errors.h"
#include "net/socket/tcp_server_socket.h"
namespace webui_examples::devtools {
namespace {
base::subtle::Atomic32 g_last_used_port;
class TCPServerSocketFactory : public content::DevToolsSocketFactory {
public:
static std::unique_ptr<content::DevToolsSocketFactory> Create() {
return std::make_unique<TCPServerSocketFactory>("127.0.0.1", 0);
}
TCPServerSocketFactory(const std::string& address, uint16_t port)
: address_(address), port_(port) {}
TCPServerSocketFactory(const TCPServerSocketFactory&) = delete;
TCPServerSocketFactory& operator=(const TCPServerSocketFactory&) = delete;
private:
// content::DevToolsSocketFactory.
std::unique_ptr<net::ServerSocket> CreateForHttpServer() override {
constexpr int kBackLog = 10;
std::unique_ptr<net::ServerSocket> socket =
std::make_unique<net::TCPServerSocket>(nullptr, net::NetLogSource());
if (socket->ListenWithAddressAndPort(address_, port_, kBackLog) != net::OK)
return nullptr;
net::IPEndPoint endpoint;
if (socket->GetLocalAddress(&endpoint) == net::OK)
base::subtle::NoBarrier_Store(&g_last_used_port, endpoint.port());
return socket;
}
std::unique_ptr<net::ServerSocket> CreateForTethering(
std::string* out_name) override {
return nullptr;
}
const std::string address_;
const uint16_t port_;
};
} // namespace
void StartHttpHandler(content::BrowserContext* browser_context) {
content::DevToolsAgentHost::StartRemoteDebuggingServer(
TCPServerSocketFactory::Create(), browser_context->GetPath(),
base::FilePath());
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kRemoteDebuggingPipe)) {
content::DevToolsAgentHost::StartRemoteDebuggingPipeHandler(
base::OnceClosure());
}
}
void StopHttpHandler() {
content::DevToolsAgentHost::StopRemoteDebuggingServer();
}
int GetHttpHandlerPort() {
return base::subtle::NoBarrier_Load(&g_last_used_port);
}
} // namespace webui_examples::devtools
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