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      1 //
      2 // Copyright (C) 2015 The Android Open Source Project
      3 //
      4 // Licensed under the Apache License, Version 2.0 (the "License");
      5 // you may not use this file except in compliance with the License.
      6 // You may obtain a copy of the License at
      7 //
      8 //      http://www.apache.org/licenses/LICENSE-2.0
      9 //
     10 // Unless required by applicable law or agreed to in writing, software
     11 // distributed under the License is distributed on an "AS IS" BASIS,
     12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 // See the License for the specific language governing permissions and
     14 // limitations under the License.
     15 //
     16 
     17 #include "shill/dbus/chromeos_wimax_network_proxy.h"
     18 
     19 #if defined(__ANDROID__)
     20 #include <dbus/service_constants.h>
     21 #else
     22 #include <chromeos/dbus/service_constants.h>
     23 #endif  // __ANDROID__
     24 
     25 #include "shill/error.h"
     26 #include "shill/logging.h"
     27 
     28 using std::string;
     29 
     30 namespace shill {
     31 
     32 namespace Logging {
     33 static auto kModuleLogScope = ScopeLogger::kDBus;
     34 static string ObjectID(const dbus::ObjectPath* p) {
     35   return "wimax_network_proxy (" + p->value() + ")";
     36 }
     37 }
     38 
     39 // static.
     40 const char ChromeosWiMaxNetworkProxy::kPropertyIdentifier[] = "Identifier";
     41 const char ChromeosWiMaxNetworkProxy::kPropertyName[] = "Name";
     42 const char ChromeosWiMaxNetworkProxy::kPropertyType[] = "Type";
     43 const char ChromeosWiMaxNetworkProxy::kPropertyCINR[] = "CINR";
     44 const char ChromeosWiMaxNetworkProxy::kPropertyRSSI[] = "RSSI";
     45 const char ChromeosWiMaxNetworkProxy::kPropertySignalStrength[] =
     46     "SignalStrength";
     47 
     48 ChromeosWiMaxNetworkProxy::PropertySet::PropertySet(
     49     dbus::ObjectProxy* object_proxy,
     50     const std::string& interface_name,
     51     const PropertyChangedCallback& callback)
     52     : dbus::PropertySet(object_proxy, interface_name, callback) {
     53   RegisterProperty(kPropertyIdentifier, &identifier);
     54   RegisterProperty(kPropertyName, &name);
     55   RegisterProperty(kPropertyType, &type);
     56   RegisterProperty(kPropertyCINR, &cinr);
     57   RegisterProperty(kPropertyRSSI, &rssi);
     58   RegisterProperty(kPropertySignalStrength, &signal_strength);
     59 }
     60 
     61 ChromeosWiMaxNetworkProxy::ChromeosWiMaxNetworkProxy(
     62     const scoped_refptr<dbus::Bus>& bus,
     63     const std::string& rpc_identifier)
     64     : proxy_(
     65         new org::chromium::WiMaxManager::NetworkProxy(
     66             bus,
     67             wimax_manager::kWiMaxManagerServiceName,
     68             dbus::ObjectPath(rpc_identifier))) {
     69   // Register signal handlers.
     70   proxy_->RegisterSignalStrengthChangedSignalHandler(
     71       base::Bind(&ChromeosWiMaxNetworkProxy::SignalStrengthChanged,
     72                  weak_factory_.GetWeakPtr()),
     73       base::Bind(&ChromeosWiMaxNetworkProxy::OnSignalConnected,
     74                  weak_factory_.GetWeakPtr()));
     75 
     76   // Register properties.
     77   properties_.reset(
     78       new PropertySet(
     79           proxy_->GetObjectProxy(),
     80           wimax_manager::kWiMaxManagerNetworkInterface,
     81           base::Bind(&ChromeosWiMaxNetworkProxy::OnPropertyChanged,
     82                      weak_factory_.GetWeakPtr())));
     83   properties_->ConnectSignals();
     84   properties_->GetAll();
     85 }
     86 
     87 
     88 ChromeosWiMaxNetworkProxy::~ChromeosWiMaxNetworkProxy() {
     89   proxy_->ReleaseObjectProxy(base::Bind(&base::DoNothing));
     90 }
     91 
     92 RpcIdentifier ChromeosWiMaxNetworkProxy::path() const {
     93   return proxy_->GetObjectPath().value();
     94 }
     95 
     96 void ChromeosWiMaxNetworkProxy::set_signal_strength_changed_callback(
     97     const SignalStrengthChangedCallback& callback) {
     98   signal_strength_changed_callback_ = callback;
     99 }
    100 
    101 uint32_t ChromeosWiMaxNetworkProxy::Identifier(Error* /*error*/) {
    102   SLOG(&proxy_->GetObjectPath(), 2) << __func__;
    103   if (!properties_->identifier.GetAndBlock()) {
    104     LOG(ERROR) << "Failed to get Identifier";
    105     return 0;
    106   }
    107   return properties_->identifier.value();
    108 }
    109 
    110 string ChromeosWiMaxNetworkProxy::Name(Error* /*error*/) {
    111   SLOG(&proxy_->GetObjectPath(), 2) << __func__;
    112   if (!properties_->name.GetAndBlock()) {
    113     LOG(ERROR) << "Failed to get Name";
    114     return string();
    115   }
    116   return properties_->name.value();
    117 }
    118 
    119 int ChromeosWiMaxNetworkProxy::Type(Error* /*error*/) {
    120   SLOG(&proxy_->GetObjectPath(), 2) << __func__;
    121   if (!properties_->type.GetAndBlock()) {
    122     LOG(ERROR) << "Failed to get Type";
    123     return 0;
    124   }
    125   return properties_->type.value();
    126 }
    127 
    128 int ChromeosWiMaxNetworkProxy::CINR(Error* /*error*/) {
    129   SLOG(&proxy_->GetObjectPath(), 2) << __func__;
    130   if (!properties_->cinr.GetAndBlock()) {
    131     LOG(ERROR) << "Failed to get CINR";
    132     return 0;
    133   }
    134   return properties_->cinr.value();
    135 }
    136 
    137 int ChromeosWiMaxNetworkProxy::RSSI(Error* /*error*/) {
    138   SLOG(&proxy_->GetObjectPath(), 2) << __func__;
    139   if (!properties_->rssi.GetAndBlock()) {
    140     LOG(ERROR) << "Failed to get RSSI";
    141     return 0;
    142   }
    143   return properties_->rssi.value();
    144 }
    145 
    146 int ChromeosWiMaxNetworkProxy::SignalStrength(Error* /*error*/) {
    147   SLOG(&proxy_->GetObjectPath(), 2) << __func__;
    148   if (!properties_->signal_strength.GetAndBlock()) {
    149     LOG(ERROR) << "Faild to get SignalStrength";
    150     return 0;
    151   }
    152   return properties_->signal_strength.value();
    153 }
    154 
    155 void ChromeosWiMaxNetworkProxy::SignalStrengthChanged(int32_t signal_strength) {
    156   SLOG(&proxy_->GetObjectPath(), 2) << __func__
    157       << "(" << signal_strength << ")";
    158   if (!signal_strength_changed_callback_.is_null()) {
    159     signal_strength_changed_callback_.Run(signal_strength);
    160   }
    161 }
    162 
    163 void ChromeosWiMaxNetworkProxy::OnSignalConnected(
    164     const string& interface_name, const string& signal_name, bool success) {
    165   SLOG(&proxy_->GetObjectPath(), 2) << __func__
    166       << "interface: " << interface_name << " signal: " << signal_name
    167       << "success: " << success;
    168   if (!success) {
    169     LOG(ERROR) << "Failed to connect signal " << signal_name
    170         << " to interface " << interface_name;
    171   }
    172 }
    173 
    174 void ChromeosWiMaxNetworkProxy::OnPropertyChanged(
    175     const std::string& property_name) {
    176   SLOG(&proxy_->GetObjectPath(), 2) << __func__ << ": " << property_name;
    177 }
    178 
    179 }  // namespace shill
    180