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// 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
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