| // 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. |
| |
| #include "remoting/protocol/port_range.h" |
| |
| #include <limits.h> |
| #include <stddef.h> |
| #include <stdlib.h> |
| |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_util.h" |
| |
| namespace remoting { |
| |
| bool PortRange::Parse(const std::string& port_range, PortRange* result) { |
| DCHECK(result); |
| |
| if (port_range.empty()) { |
| result->min_port = 0; |
| result->max_port = 0; |
| return true; |
| } |
| |
| size_t separator_index = port_range.find('-'); |
| if (separator_index == std::string::npos) |
| return false; |
| |
| std::string min_port_string, max_port_string; |
| base::TrimWhitespaceASCII(port_range.substr(0, separator_index), |
| base::TRIM_ALL, &min_port_string); |
| base::TrimWhitespaceASCII(port_range.substr(separator_index + 1), |
| base::TRIM_ALL, &max_port_string); |
| |
| unsigned min_port, max_port; |
| if (!base::StringToUint(min_port_string, &min_port) || |
| !base::StringToUint(max_port_string, &max_port)) { |
| return false; |
| } |
| |
| if (min_port == 0 || min_port > max_port || max_port > USHRT_MAX) |
| return false; |
| |
| result->min_port = static_cast<uint16_t>(min_port); |
| result->max_port = static_cast<uint16_t>(max_port); |
| return true; |
| } |
| |
| std::ostream& operator<<(std::ostream& os, const PortRange& port_range) { |
| if (port_range.is_null()) { |
| os << "<no port range specified>"; |
| } else { |
| os << "[" << port_range.min_port << ", " << port_range.max_port << "]"; |
| } |
| return os; |
| } |
| |
| } // namespace remoting |