| // 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 "fuchsia_web/shell/remote_debugging_port.h" |
| |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "base/strings/string_number_conversions.h" |
| |
| constexpr char kRemoteDebuggingPortSwitch[] = "remote-debugging-port"; |
| |
| absl::optional<uint16_t> GetRemoteDebuggingPort( |
| const base::CommandLine& command_line) { |
| if (!command_line.HasSwitch(kRemoteDebuggingPortSwitch)) { |
| return 0; |
| } else { |
| std::string port_str = |
| command_line.GetSwitchValueNative(kRemoteDebuggingPortSwitch); |
| int port_parsed; |
| if (!base::StringToInt(port_str, &port_parsed) || port_parsed < 0 || |
| port_parsed > 65535) { |
| LOG(ERROR) << "Invalid value for --remote-debugging-port (must be in the " |
| "range 0-65535)."; |
| return absl::nullopt; |
| } |
| return static_cast<uint16_t>(port_parsed); |
| } |
| } |