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// Copyright (c) 2012 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.
#ifndef NET_BASE_PORT_UTIL_H_
#define NET_BASE_PORT_UTIL_H_
#include <stddef.h>
#include <string>
#include "base/macros.h"
#include "base/strings/string_piece.h"
#include "net/base/net_export.h"
namespace net {
// Checks if |port| is in the valid range (0 to 65535, though 0 is technically
// reserved). Should be used before casting a port to a uint16_t.
NET_EXPORT bool IsPortValid(int port);
// Returns true if the port is in the range [0, 1023]. These ports are
// registered by IANA and typically need root access to listen on.
NET_EXPORT bool IsWellKnownPort(int port);
// Checks if the port is allowed for the specified scheme. Ports set as allowed
// with SetExplicitlyAllowedPorts() or by using ScopedPortException() will be
// considered allowed for any scheme.
NET_EXPORT bool IsPortAllowedForScheme(int port, base::StringPiece url_scheme);
// Returns the number of explicitly allowed ports; for testing.
NET_EXPORT_PRIVATE size_t GetCountOfExplicitlyAllowedPorts();
NET_EXPORT void SetExplicitlyAllowedPorts(const std::string& allowed_ports);
class NET_EXPORT ScopedPortException {
public:
explicit ScopedPortException(int port);
~ScopedPortException();
private:
int port_;
DISALLOW_COPY_AND_ASSIGN(ScopedPortException);
};
} // namespace net
#endif // NET_BASE_PORT_UTIL_H_