Android RIL源碼研究筆記 の ril (二)

這篇文章介紹ril.cpp中實現部分代碼中的四個字符串輸出函數及其相應的枚舉類型。首先看requestToString()函數的代碼，它的功能是將將ril_command.h和ril_unsol_commands.h中的命令轉換成字符串描述：

相關閱讀：

http://www.linuxidc.com/Linux/2011-12/48994.htm

http://www.linuxidc.com/Linux/2011-12/48953.htm

http://www.linuxidc.com/Linux/2011-12/48954.htm

1. const char * requestToString(int request) {  
2.     switch(request) {  
3.         case RIL_REQUEST_GET_SIM_STATUS: return "GET_SIM_STATUS";  
4.         case RIL_REQUEST_ENTER_SIM_PIN: return "ENTER_SIM_PIN";  
5.         case RIL_REQUEST_ENTER_SIM_PUK: return "ENTER_SIM_PUK";  
6.         case RIL_REQUEST_ENTER_SIM_PIN2: return "ENTER_SIM_PIN2";  
7.         case RIL_REQUEST_ENTER_SIM_PUK2: return "ENTER_SIM_PUK2";  
8.         case RIL_REQUEST_CHANGE_SIM_PIN: return "CHANGE_SIM_PIN";  
9.         case RIL_REQUEST_CHANGE_SIM_PIN2: return "CHANGE_SIM_PIN2";  
10.         case RIL_REQUEST_ENTER_NETWORK_DEPERSONALIZATION: return "ENTER_NETWORK_DEPERSONALIZATION";  
11.         case RIL_REQUEST_GET_CURRENT_CALLS: return "GET_CURRENT_CALLS";  
12.         case RIL_REQUEST_DIAL: return "DIAL";  
13.         case RIL_REQUEST_GET_IMSI: return "GET_IMSI";  
14.         case RIL_REQUEST_HANGUP: return "HANGUP";  
15.         case RIL_REQUEST_HANGUP_WAITING_OR_BACKGROUND: return "HANGUP_WAITING_OR_BACKGROUND";  
16.         case RIL_REQUEST_HANGUP_FOREGROUND_RESUME_BACKGROUND: return "HANGUP_FOREGROUND_RESUME_BACKGROUND";  
17.         case RIL_REQUEST_SWITCH_WAITING_OR_HOLDING_AND_ACTIVE: return "SWITCH_WAITING_OR_HOLDING_AND_ACTIVE";  
18.         case RIL_REQUEST_CONFERENCE: return "CONFERENCE";  
19.         case RIL_REQUEST_UDUB: return "UDUB";  
20.         case RIL_REQUEST_LAST_CALL_FAIL_CAUSE: return "LAST_CALL_FAIL_CAUSE";  
21.         case RIL_REQUEST_SIGNAL_STRENGTH: return "SIGNAL_STRENGTH";  
22.         case RIL_REQUEST_REGISTRATION_STATE: return "REGISTRATION_STATE";  
23.         case RIL_REQUEST_GPRS_REGISTRATION_STATE: return "GPRS_REGISTRATION_STATE";  
24.         case RIL_REQUEST_OPERATOR: return "OPERATOR";  
25.         case RIL_REQUEST_RADIO_POWER: return "RADIO_POWER";  
26.         case RIL_REQUEST_DTMF: return "DTMF";  
27.         case RIL_REQUEST_SEND_SMS: return "SEND_SMS";  
28.         case RIL_REQUEST_SEND_SMS_EXPECT_MORE: return "SEND_SMS_EXPECT_MORE";  
29.         case RIL_REQUEST_SETUP_DATA_CALL: return "SETUP_DATA_CALL";  
30.         case RIL_REQUEST_SIM_IO: return "SIM_IO";  
31.         case RIL_REQUEST_SEND_USSD: return "SEND_USSD";  
32.         case RIL_REQUEST_CANCEL_USSD: return "CANCEL_USSD";  
33.         case RIL_REQUEST_GET_CLIR: return "GET_CLIR";  
34.         case RIL_REQUEST_SET_CLIR: return "SET_CLIR";  
35.         case RIL_REQUEST_QUERY_CALL_FORWARD_STATUS: return "QUERY_CALL_FORWARD_STATUS";  
36.         case RIL_REQUEST_SET_CALL_FORWARD: return "SET_CALL_FORWARD";  
37.         case RIL_REQUEST_QUERY_CALL_WAITING: return "QUERY_CALL_WAITING";  
38.         case RIL_REQUEST_SET_CALL_WAITING: return "SET_CALL_WAITING";  
39.         case RIL_REQUEST_SMS_ACKNOWLEDGE: return "SMS_ACKNOWLEDGE";  
40.         case RIL_REQUEST_GET_IMEI: return "GET_IMEI";  
41.         case RIL_REQUEST_GET_IMEISV: return "GET_IMEISV";  
42.         case RIL_REQUEST_ANSWER: return "ANSWER";  
43.         case RIL_REQUEST_DEACTIVATE_DATA_CALL: return "DEACTIVATE_DATA_CALL";  
44.         case RIL_REQUEST_QUERY_FACILITY_LOCK: return "QUERY_FACILITY_LOCK";  
45.         case RIL_REQUEST_SET_FACILITY_LOCK: return "SET_FACILITY_LOCK";  
46.         case RIL_REQUEST_CHANGE_BARRING_PASSWORD: return "CHANGE_BARRING_PASSWORD";  
47.         case RIL_REQUEST_QUERY_NETWORK_SELECTION_MODE: return "QUERY_NETWORK_SELECTION_MODE";  
48.         case RIL_REQUEST_SET_NETWORK_SELECTION_AUTOMATIC: return "SET_NETWORK_SELECTION_AUTOMATIC";  
49.         case RIL_REQUEST_SET_NETWORK_SELECTION_MANUAL: return "SET_NETWORK_SELECTION_MANUAL";  
50.         case RIL_REQUEST_QUERY_AVAILABLE_NETWORKS : return "QUERY_AVAILABLE_NETWORKS ";  
51.         case RIL_REQUEST_DTMF_START: return "DTMF_START";  
52.         case RIL_REQUEST_DTMF_STOP: return "DTMF_STOP";  
53.         case RIL_REQUEST_BASEBAND_VERSION: return "BASEBAND_VERSION";  
54.         case RIL_REQUEST_SEPARATE_CONNECTION: return "SEPARATE_CONNECTION";  
55.         case RIL_REQUEST_SET_PREFERRED_NETWORK_TYPE: return "SET_PREFERRED_NETWORK_TYPE";  
56.         case RIL_REQUEST_GET_PREFERRED_NETWORK_TYPE: return "GET_PREFERRED_NETWORK_TYPE";  
57.         case RIL_REQUEST_GET_NEIGHBORING_CELL_IDS: return "GET_NEIGHBORING_CELL_IDS";  
58.         case RIL_REQUEST_SET_MUTE: return "SET_MUTE";  
59.         case RIL_REQUEST_GET_MUTE: return "GET_MUTE";  
60.         case RIL_REQUEST_QUERY_CLIP: return "QUERY_CLIP";  
61.         case RIL_REQUEST_LAST_DATA_CALL_FAIL_CAUSE: return "LAST_DATA_CALL_FAIL_CAUSE";  
62.         case RIL_REQUEST_DATA_CALL_LIST: return "DATA_CALL_LIST";  
63.         case RIL_REQUEST_RESET_RADIO: return "RESET_RADIO";  
64.         case RIL_REQUEST_OEM_HOOK_RAW: return "OEM_HOOK_RAW";  
65.         case RIL_REQUEST_OEM_HOOK_STRINGS: return "OEM_HOOK_STRINGS";  
66.         case RIL_REQUEST_SET_BAND_MODE: return "SET_BAND_MODE";  
67.         case RIL_REQUEST_QUERY_AVAILABLE_BAND_MODE: return "QUERY_AVAILABLE_BAND_MODE";  
68.         case RIL_REQUEST_STK_GET_PROFILE: return "STK_GET_PROFILE";  
69.         case RIL_REQUEST_STK_SET_PROFILE: return "STK_SET_PROFILE";  
70.         case RIL_REQUEST_STK_SEND_ENVELOPE_COMMAND: return "STK_SEND_ENVELOPE_COMMAND";  
71.         case RIL_REQUEST_STK_SEND_TERMINAL_RESPONSE: return "STK_SEND_TERMINAL_RESPONSE";  
72.         case RIL_REQUEST_STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM: return "STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM";  
73.         case RIL_REQUEST_SCREEN_STATE: return "SCREEN_STATE";  
74.         case RIL_REQUEST_EXPLICIT_CALL_TRANSFER: return "EXPLICIT_CALL_TRANSFER";  
75.         case RIL_REQUEST_SET_LOCATION_UPDATES: return "SET_LOCATION_UPDATES";  
76.         case RIL_REQUEST_CDMA_SET_SUBSCRIPTION:return"CDMA_SET_SUBSCRIPTION";  
77.         case RIL_REQUEST_CDMA_SET_ROAMING_PREFERENCE:return"CDMA_SET_ROAMING_PREFERENCE";  
78.         case RIL_REQUEST_CDMA_QUERY_ROAMING_PREFERENCE:return"CDMA_QUERY_ROAMING_PREFERENCE";  
79.         case RIL_REQUEST_SET_TTY_MODE:return"SET_TTY_MODE";  
80.         case RIL_REQUEST_QUERY_TTY_MODE:return"QUERY_TTY_MODE";  
81.         case RIL_REQUEST_CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE:return"CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE";  
82.         case RIL_REQUEST_CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE:return"CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE";  
83.         case RIL_REQUEST_CDMA_FLASH:return"CDMA_FLASH";  
84.         case RIL_REQUEST_CDMA_BURST_DTMF:return"CDMA_BURST_DTMF";  
85.         case RIL_REQUEST_CDMA_SEND_SMS:return"CDMA_SEND_SMS";  
86.         case RIL_REQUEST_CDMA_SMS_ACKNOWLEDGE:return"CDMA_SMS_ACKNOWLEDGE";  
87.         case RIL_REQUEST_GSM_GET_BROADCAST_SMS_CONFIG:return"GSM_GET_BROADCAST_SMS_CONFIG";  
88.         case RIL_REQUEST_GSM_SET_BROADCAST_SMS_CONFIG:return"GSM_SET_BROADCAST_SMS_CONFIG";  
89.         case RIL_REQUEST_CDMA_GET_BROADCAST_SMS_CONFIG:return "CDMA_GET_BROADCAST_SMS_CONFIG";  
90.         case RIL_REQUEST_CDMA_SET_BROADCAST_SMS_CONFIG:return "CDMA_SET_BROADCAST_SMS_CONFIG";  
91.         case RIL_REQUEST_CDMA_SMS_BROADCAST_ACTIVATION:return "CDMA_SMS_BROADCAST_ACTIVATION";  
92.         case RIL_REQUEST_CDMA_VALIDATE_AND_WRITE_AKEY: return"CDMA_VALIDATE_AND_WRITE_AKEY";  
93.         case RIL_REQUEST_CDMA_SUBSCRIPTION: return"CDMA_SUBSCRIPTION";  
94.         case RIL_REQUEST_CDMA_WRITE_SMS_TO_RUIM: return "CDMA_WRITE_SMS_TO_RUIM";  
95.         case RIL_REQUEST_CDMA_DELETE_SMS_ON_RUIM: return "CDMA_DELETE_SMS_ON_RUIM";  
96.         case RIL_REQUEST_DEVICE_IDENTITY: return "DEVICE_IDENTITY";  
97.         case RIL_REQUEST_EXIT_EMERGENCY_CALLBACK_MODE: return "EXIT_EMERGENCY_CALLBACK_MODE";  
98.         case RIL_REQUEST_GET_SMSC_ADDRESS: return "GET_SMSC_ADDRESS";  
99.         case RIL_REQUEST_SET_SMSC_ADDRESS: return "SET_SMSC_ADDRESS";  
100.         case RIL_REQUEST_REPORT_SMS_MEMORY_STATUS: return "REPORT_SMS_MEMORY_STATUS";  
101.         case RIL_REQUEST_REPORT_STK_SERVICE_IS_RUNNING: return "REPORT_STK_SERVICE_IS_RUNNING";  
102.         case RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED: return "UNSOL_RESPONSE_RADIO_STATE_CHANGED";  
103.         case RIL_UNSOL_RESPONSE_CALL_STATE_CHANGED: return "UNSOL_RESPONSE_CALL_STATE_CHANGED";  
104.         case RIL_UNSOL_RESPONSE_NETWORK_STATE_CHANGED: return "UNSOL_RESPONSE_NETWORK_STATE_CHANGED";  
105.         case RIL_UNSOL_RESPONSE_NEW_SMS: return "UNSOL_RESPONSE_NEW_SMS";  
106.         case RIL_UNSOL_RESPONSE_NEW_SMS_STATUS_REPORT: return "UNSOL_RESPONSE_NEW_SMS_STATUS_REPORT";  
107.         case RIL_UNSOL_RESPONSE_NEW_SMS_ON_SIM: return "UNSOL_RESPONSE_NEW_SMS_ON_SIM";  
108.         case RIL_UNSOL_ON_USSD: return "UNSOL_ON_USSD";  
109.         case RIL_UNSOL_ON_USSD_REQUEST: return "UNSOL_ON_USSD_REQUEST(obsolete)";  
110.         case RIL_UNSOL_NITZ_TIME_RECEIVED: return "UNSOL_NITZ_TIME_RECEIVED";  
111.         case RIL_UNSOL_SIGNAL_STRENGTH: return "UNSOL_SIGNAL_STRENGTH";  
112.         case RIL_UNSOL_STK_SESSION_END: return "UNSOL_STK_SESSION_END";  
113.         case RIL_UNSOL_STK_PROACTIVE_COMMAND: return "UNSOL_STK_PROACTIVE_COMMAND";  
114.         case RIL_UNSOL_STK_EVENT_NOTIFY: return "UNSOL_STK_EVENT_NOTIFY";  
115.         case RIL_UNSOL_STK_CALL_SETUP: return "UNSOL_STK_CALL_SETUP";  
116.         case RIL_UNSOL_SIM_SMS_STORAGE_FULL: return "UNSOL_SIM_SMS_STORAGE_FUL";  
117.         case RIL_UNSOL_SIM_REFRESH: return "UNSOL_SIM_REFRESH";  
118.         case RIL_UNSOL_DATA_CALL_LIST_CHANGED: return "UNSOL_DATA_CALL_LIST_CHANGED";  
119.         case RIL_UNSOL_CALL_RING: return "UNSOL_CALL_RING";  
120.         case RIL_UNSOL_RESPONSE_SIM_STATUS_CHANGED: return "UNSOL_RESPONSE_SIM_STATUS_CHANGED";  
121.         case RIL_UNSOL_RESPONSE_CDMA_NEW_SMS: return "UNSOL_NEW_CDMA_SMS";  
122.         case RIL_UNSOL_RESPONSE_NEW_BROADCAST_SMS: return "UNSOL_NEW_BROADCAST_SMS";  
123.         case RIL_UNSOL_CDMA_RUIM_SMS_STORAGE_FULL: return "UNSOL_CDMA_RUIM_SMS_STORAGE_FULL";  
124.         case RIL_UNSOL_RESTRICTED_STATE_CHANGED: return "UNSOL_RESTRICTED_STATE_CHANGED";  
125.         case RIL_UNSOL_ENTER_EMERGENCY_CALLBACK_MODE: return "UNSOL_ENTER_EMERGENCY_CALLBACK_MODE";  
126.         case RIL_UNSOL_CDMA_CALL_WAITING: return "UNSOL_CDMA_CALL_WAITING";  
127.         case RIL_UNSOL_CDMA_OTA_PROVISION_STATUS: return "UNSOL_CDMA_OTA_PROVISION_STATUS";  
128.         case RIL_UNSOL_CDMA_INFO_REC: return "UNSOL_CDMA_INFO_REC";  
129.         case RIL_UNSOL_OEM_HOOK_RAW: return "UNSOL_OEM_HOOK_RAW";  
130.         case RIL_UNSOL_RINGBACK_TONE: return "UNSOL_RINGBACK_TONE";  
131.         case RIL_UNSOL_RESEND_INCALL_MUTE: return "UNSOL_RESEND_INCALL_MUTE";  
132.         default: return "<unknown request>";  
133.     }  
134. }