components/wifi/network_properties.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/wifi/network_properties.h"
   6
   7 #include "base/json/json_reader.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/strings/stringprintf.h"
  10 #include "components/onc/onc_constants.h"
  11
  12 namespace wifi {
  13
  14 NetworkProperties::NetworkProperties()
  15     : connection_state(onc::connection_state::kNotConnected),
  16       security(onc::wifi::kNone),
  17       signal_strength(0),
  18       auto_connect(false),
  19       frequency(kFrequencyUnknown) {
  20 }
  21
  22 NetworkProperties::~NetworkProperties() {
  23 }
  24
  25 scoped_ptr<base::DictionaryValue> NetworkProperties::ToValue(
  26     bool network_list) const {
  27   scoped_ptr<base::DictionaryValue> value(new base::DictionaryValue());
  28
  29   value->SetString(onc::network_config::kGUID, guid);
  30   value->SetString(onc::network_config::kName, name);
  31   value->SetString(onc::network_config::kConnectionState, connection_state);
  32   DCHECK(type == onc::network_type::kWiFi);
  33   value->SetString(onc::network_config::kType, type);
  34
  35   // For now, assume all WiFi services are connectable.
  36   value->SetBoolean(onc::network_config::kConnectable, true);
  37
  38   scoped_ptr<base::DictionaryValue> wifi(new base::DictionaryValue());
  39   wifi->SetString(onc::wifi::kSecurity, security);
  40   wifi->SetInteger(onc::wifi::kSignalStrength, signal_strength);
  41
  42   // Network list expects subset of data.
  43   if (!network_list) {
  44     if (frequency != kFrequencyUnknown)
  45       wifi->SetInteger(onc::wifi::kFrequency, frequency);
  46     scoped_ptr<base::ListValue> frequency_list(new base::ListValue());
  47     for (FrequencySet::const_iterator it = this->frequency_set.begin();
  48          it != this->frequency_set.end();
  49          ++it) {
  50       frequency_list->AppendInteger(*it);
  51     }
  52     if (!frequency_list->empty())
  53       wifi->Set(onc::wifi::kFrequencyList, frequency_list.release());
  54     if (!bssid.empty())
  55       wifi->SetString(onc::wifi::kBSSID, bssid);
  56     wifi->SetString(onc::wifi::kSSID, ssid);
  57   }
  58   value->Set(onc::network_type::kWiFi, wifi.release());
  59
  60   if (!network_list && !json_extra.empty()) {
  61     base::Value* value_extra = base::JSONReader::Read(json_extra);
  62     CHECK(value_extra);
  63     base::DictionaryValue* value_dictionary;
  64     if (value_extra->GetAsDictionary(&value_dictionary))
  65       value->MergeDictionary(value_dictionary);
  66   }
  67
  68   return value.Pass();
  69 }
  70
  71 bool NetworkProperties::UpdateFromValue(const base::DictionaryValue& value) {
  72   const base::DictionaryValue* wifi = NULL;
  73   std::string network_type;
  74   // Get network type and make sure that it is WiFi (if specified).
  75   if (value.GetString(onc::network_config::kType, &network_type)) {
  76     if (network_type != onc::network_type::kWiFi)
  77       return false;
  78     type = network_type;
  79   }
  80   if (value.GetDictionary(onc::network_type::kWiFi, &wifi)) {
  81     value.GetString(onc::network_config::kName, &name);
  82     value.GetString(onc::network_config::kGUID, &guid);
  83     value.GetString(onc::network_config::kConnectionState, &connection_state);
  84     wifi->GetString(onc::wifi::kSecurity, &security);
  85     wifi->GetString(onc::wifi::kSSID, &ssid);
  86     wifi->GetString(onc::wifi::kPassphrase, &password);
  87     wifi->GetBoolean(onc::wifi::kAutoConnect, &auto_connect);
  88     return true;
  89   }
  90   return false;
  91 }
  92
  93 std::string NetworkProperties::MacAddressAsString(const uint8 mac_as_int[6]) {
  94   // mac_as_int is big-endian. Write in byte chunks.
  95   // Format is XX:XX:XX:XX:XX:XX.
  96   static const char* const kMacFormatString = "%02x:%02x:%02x:%02x:%02x:%02x";
  97   return base::StringPrintf(kMacFormatString,
  98                             mac_as_int[0],
  99                             mac_as_int[1],
 100                             mac_as_int[2],
 101                             mac_as_int[3],
 102                             mac_as_int[4],
 103                             mac_as_int[5]);
 104 }
 105
 106 bool NetworkProperties::OrderByType(const NetworkProperties& l,
 107                                     const NetworkProperties& r) {
 108   if (l.connection_state != r.connection_state)
 109     return l.connection_state < r.connection_state;
 110   // This sorting order is needed only for browser_tests, which expect this
 111   // network type sort order: ethernet < wifi < vpn < cellular.
 112   if (l.type == r.type)
 113     return l.guid < r.guid;
 114   if (l.type == onc::network_type::kEthernet)
 115     return true;
 116   if (r.type == onc::network_type::kEthernet)
 117     return false;
 118   return l.type > r.type;
 119 }
 120
 121 }  // namespace wifi