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      1 //
      2 // Copyright (C) 2012 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/cellular/modem.h"
     18 
     19 #include <mm/mm-modem.h>
     20 
     21 #include "shill/cellular/cellular.h"
     22 
     23 using std::string;
     24 using std::vector;
     25 
     26 namespace shill {
     27 
     28 ModemClassic::ModemClassic(const string& service,
     29                            const string& path,
     30                            ModemInfo* modem_info,
     31                            ControlInterface* control_interface)
     32     : Modem(service, path, modem_info, control_interface) {}
     33 
     34 ModemClassic::~ModemClassic() {}
     35 
     36 bool ModemClassic::GetLinkName(const KeyValueStore& modem_properties,
     37                                string* name) const {
     38   if (!modem_properties.ContainsString(kPropertyLinkName)) {
     39     return false;
     40   }
     41   *name = modem_properties.GetString(kPropertyLinkName);
     42   return true;
     43 }
     44 
     45 void ModemClassic::CreateDeviceClassic(
     46     const KeyValueStore& modem_properties) {
     47   Init();
     48   uint32_t mm_type = std::numeric_limits<uint32_t>::max();
     49   if (modem_properties.ContainsUint(kPropertyType)) {
     50     mm_type = modem_properties.GetUint(kPropertyType);
     51   }
     52   switch (mm_type) {
     53     case MM_MODEM_TYPE_CDMA:
     54       set_type(Cellular::kTypeCDMA);
     55       break;
     56     case MM_MODEM_TYPE_GSM:
     57       set_type(Cellular::kTypeGSM);
     58       break;
     59     default:
     60       LOG(ERROR) << "Unsupported cellular modem type: " << mm_type;
     61       return;
     62   }
     63   uint32_t ip_method = std::numeric_limits<uint32_t>::max();
     64   if (!modem_properties.ContainsUint(kPropertyIPMethod) ||
     65       (ip_method = modem_properties.GetUint(kPropertyIPMethod)) !=
     66           MM_MODEM_IP_METHOD_DHCP) {
     67     LOG(ERROR) << "Unsupported IP method: " << ip_method;
     68     return;
     69   }
     70 
     71   InterfaceToProperties properties;
     72   properties[MM_MODEM_INTERFACE] = modem_properties;
     73   CreateDeviceFromModemProperties(properties);
     74 }
     75 
     76 string ModemClassic::GetModemInterface(void) const {
     77   return string(MM_MODEM_INTERFACE);
     78 }
     79 
     80 }  // namespace shill
     81