// 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 CHROMEOS_NETWORK_NETWORK_UTIL_H_
#define CHROMEOS_NETWORK_NETWORK_UTIL_H_
// This header is introduced to make it easy to switch from chromeos_network.cc
// to Chrome's own DBus code. crosbug.com/16557
// All calls to functions in chromeos_network.h should be made through
// functions provided by this header.
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/time/time.h"
#include "base/values.h"
#include "chromeos/chromeos_export.h"
namespace chromeos {
// Struct for passing wifi access point data.
struct CHROMEOS_EXPORT WifiAccessPoint {
WifiAccessPoint();
~WifiAccessPoint();
std::string ssid; // The ssid of the WiFi node if available.
std::string mac_address; // The mac address of the WiFi node.
base::Time timestamp; // Timestamp when this AP was detected.
int signal_strength; // Radio signal strength measured in dBm.
int signal_to_noise; // Current signal to noise ratio measured in dB.
int channel; // Wifi channel number.
};
// Struct for passing network scan result data.
struct CHROMEOS_EXPORT CellularScanResult {
CellularScanResult();
~CellularScanResult();
std::string status; // The network's availability status. (One of "unknown",
// "available", "current", or "forbidden")
std::string network_id; // 3GPP operator code ("MCCMNC").
std::string short_name; // Short-format name of the operator.
std::string long_name; // Long-format name of the operator.
std::string technology; // Access technology.
};
typedef std::vector<WifiAccessPoint> WifiAccessPointVector;
// Describes whether there is an error and whether the error came from
// the local system or from the server implementing the connect
// method.
enum NetworkMethodErrorType {
NETWORK_METHOD_ERROR_NONE = 0,
NETWORK_METHOD_ERROR_LOCAL = 1,
NETWORK_METHOD_ERROR_REMOTE = 2,
};
// Callback for methods that initiate an operation and return no data.
typedef base::Callback<void(
const std::string& path,
NetworkMethodErrorType error,
const std::string& error_message)> NetworkOperationCallback;
namespace network_util {
// Converts a |prefix_length| to a netmask. (for IPv4 only)
// e.g. a |prefix_length| of 24 is converted to a netmask of "255.255.255.0".
// Invalid prefix lengths will return the empty string.
CHROMEOS_EXPORT std::string PrefixLengthToNetmask(int32 prefix_length);
// Converts a |netmask| to a prefixlen. (for IPv4 only)
// e.g. a |netmask| of 255.255.255.0 is converted to a prefixlen of 24
CHROMEOS_EXPORT int32 NetmaskToPrefixLength(const std::string& netmask);
// Parses |list|, which contains DictionaryValues and returns a vector of
// CellularScanResult in |scan_results|. Returns false if parsing fails,
// in which case the contents of |scan_results| will be undefined.
CHROMEOS_EXPORT bool ParseCellularScanResults(
const base::ListValue& list, std::vector<CellularScanResult>* scan_results);
} // namespace network_util
} // namespace chromeos
#endif // CHROMEOS_NETWORK_NETWORK_UTIL_H_