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 
ModemClassic(const string & service,const string & path,ModemInfo * modem_info,ControlInterface * control_interface)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 
~ModemClassic()34 ModemClassic::~ModemClassic() {}
35 
GetLinkName(const KeyValueStore & modem_properties,string * name) const36 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 
CreateDeviceClassic(const KeyValueStore & modem_properties)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 
GetModemInterface(void) const76 string ModemClassic::GetModemInterface(void) const {
77   return string(MM_MODEM_INTERFACE);
78 }
79 
80 }  // namespace shill
81