1 /* //device/libs/telephony/ril.cpp
2 **
3 ** Copyright 2006, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 **     http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17 
18 #define LOG_TAG "RILC"
19 
20 #include <hardware_legacy/power.h>
21 #include <telephony/ril.h>
22 #include <telephony/ril_cdma_sms.h>
23 #include <cutils/sockets.h>
24 #include <telephony/record_stream.h>
25 #include <utils/Log.h>
26 #include <utils/SystemClock.h>
27 #include <pthread.h>
28 #include <sys/types.h>
29 #include <sys/limits.h>
30 #include <sys/system_properties.h>
31 #include <pwd.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <stdarg.h>
35 #include <string.h>
36 #include <unistd.h>
37 #include <fcntl.h>
38 #include <time.h>
39 #include <errno.h>
40 #include <assert.h>
41 #include <ctype.h>
42 #include <sys/un.h>
43 #include <assert.h>
44 #include <netinet/in.h>
45 #include <cutils/properties.h>
46 #include <RilSapSocket.h>
47 #include <ril_service.h>
48 #include <sap_service.h>
49 
50 extern "C" void
51 RIL_onRequestComplete(RIL_Token t, RIL_Errno e, void *response, size_t responselen);
52 
53 extern "C" void
54 RIL_onRequestAck(RIL_Token t);
55 namespace android {
56 
57 #define PHONE_PROCESS "radio"
58 #define BLUETOOTH_PROCESS "bluetooth"
59 
60 #define ANDROID_WAKE_LOCK_NAME "radio-interface"
61 
62 #define ANDROID_WAKE_LOCK_SECS 0
63 #define ANDROID_WAKE_LOCK_USECS 200000
64 
65 #define PROPERTY_RIL_IMPL "gsm.version.ril-impl"
66 
67 // match with constant in RIL.java
68 #define MAX_COMMAND_BYTES (8 * 1024)
69 
70 // Basically: memset buffers that the client library
71 // shouldn't be using anymore in an attempt to find
72 // memory usage issues sooner.
73 #define MEMSET_FREED 1
74 
75 #define NUM_ELEMS(a)     (sizeof (a) / sizeof (a)[0])
76 
77 /* Negative values for private RIL errno's */
78 #define RIL_ERRNO_INVALID_RESPONSE (-1)
79 #define RIL_ERRNO_NO_MEMORY (-12)
80 
81 // request, response, and unsolicited msg print macro
82 #define PRINTBUF_SIZE 8096
83 
84 enum WakeType {DONT_WAKE, WAKE_PARTIAL};
85 
86 typedef struct {
87     int requestNumber;
88     int (*responseFunction) (int slotId, int responseType, int token,
89             RIL_Errno e, void *response, size_t responselen);
90     WakeType wakeType;
91 } UnsolResponseInfo;
92 
93 typedef struct UserCallbackInfo {
94     RIL_TimedCallback p_callback;
95     void *userParam;
96     struct ril_event event;
97     struct UserCallbackInfo *p_next;
98 } UserCallbackInfo;
99 
100 extern "C" const char * failCauseToString(RIL_Errno);
101 extern "C" const char * callStateToString(RIL_CallState);
102 extern "C" const char * radioStateToString(RIL_RadioState);
103 extern "C" const char * rilSocketIdToString(RIL_SOCKET_ID socket_id);
104 
105 extern "C"
106 char ril_service_name_base[MAX_SERVICE_NAME_LENGTH] = RIL_SERVICE_NAME_BASE;
107 extern "C"
108 char ril_service_name[MAX_SERVICE_NAME_LENGTH] = RIL1_SERVICE_NAME;
109 /*******************************************************************/
110 
111 RIL_RadioFunctions s_callbacks = {0, NULL, NULL, NULL, NULL, NULL};
112 static int s_registerCalled = 0;
113 
114 static pthread_t s_tid_dispatch;
115 static int s_started = 0;
116 
117 static int s_fdWakeupRead;
118 static int s_fdWakeupWrite;
119 
120 int s_wakelock_count = 0;
121 
122 static struct ril_event s_wakeupfd_event;
123 
124 static pthread_mutex_t s_pendingRequestsMutex = PTHREAD_MUTEX_INITIALIZER;
125 static pthread_mutex_t s_wakeLockCountMutex = PTHREAD_MUTEX_INITIALIZER;
126 static RequestInfo *s_pendingRequests = NULL;
127 
128 #if (SIM_COUNT >= 2)
129 static pthread_mutex_t s_pendingRequestsMutex_socket2  = PTHREAD_MUTEX_INITIALIZER;
130 static RequestInfo *s_pendingRequests_socket2          = NULL;
131 #endif
132 
133 #if (SIM_COUNT >= 3)
134 static pthread_mutex_t s_pendingRequestsMutex_socket3  = PTHREAD_MUTEX_INITIALIZER;
135 static RequestInfo *s_pendingRequests_socket3          = NULL;
136 #endif
137 
138 #if (SIM_COUNT >= 4)
139 static pthread_mutex_t s_pendingRequestsMutex_socket4  = PTHREAD_MUTEX_INITIALIZER;
140 static RequestInfo *s_pendingRequests_socket4          = NULL;
141 #endif
142 
143 static const struct timeval TIMEVAL_WAKE_TIMEOUT = {ANDROID_WAKE_LOCK_SECS,ANDROID_WAKE_LOCK_USECS};
144 
145 
146 static pthread_mutex_t s_startupMutex = PTHREAD_MUTEX_INITIALIZER;
147 static pthread_cond_t s_startupCond = PTHREAD_COND_INITIALIZER;
148 
149 static UserCallbackInfo *s_last_wake_timeout_info = NULL;
150 
151 static void *s_lastNITZTimeData = NULL;
152 static size_t s_lastNITZTimeDataSize;
153 
154 #if RILC_LOG
155     static char printBuf[PRINTBUF_SIZE];
156 #endif
157 
158 /*******************************************************************/
159 static void grabPartialWakeLock();
160 void releaseWakeLock();
161 static void wakeTimeoutCallback(void *);
162 
163 #ifdef RIL_SHLIB
164 #if defined(ANDROID_MULTI_SIM)
165 extern "C" void RIL_onUnsolicitedResponse(int unsolResponse, const void *data,
166                                 size_t datalen, RIL_SOCKET_ID socket_id);
167 #else
168 extern "C" void RIL_onUnsolicitedResponse(int unsolResponse, const void *data,
169                                 size_t datalen);
170 #endif
171 #endif
172 
173 #if defined(ANDROID_MULTI_SIM)
174 #define RIL_UNSOL_RESPONSE(a, b, c, d) RIL_onUnsolicitedResponse((a), (b), (c), (d))
175 #else
176 #define RIL_UNSOL_RESPONSE(a, b, c, d) RIL_onUnsolicitedResponse((a), (b), (c))
177 #endif
178 
179 static UserCallbackInfo * internalRequestTimedCallback
180     (RIL_TimedCallback callback, void *param,
181         const struct timeval *relativeTime);
182 
183 /** Index == requestNumber */
184 static CommandInfo s_commands[] = {
185 #include "ril_commands.h"
186 };
187 
188 static UnsolResponseInfo s_unsolResponses[] = {
189 #include "ril_unsol_commands.h"
190 };
191 
RIL_getServiceName()192 char * RIL_getServiceName() {
193     return ril_service_name;
194 }
195 
196 RequestInfo *
addRequestToList(int serial,int slotId,int request)197 addRequestToList(int serial, int slotId, int request) {
198     RequestInfo *pRI;
199     int ret;
200     RIL_SOCKET_ID socket_id = (RIL_SOCKET_ID) slotId;
201     /* Hook for current context */
202     /* pendingRequestsMutextHook refer to &s_pendingRequestsMutex */
203     pthread_mutex_t* pendingRequestsMutexHook = &s_pendingRequestsMutex;
204     /* pendingRequestsHook refer to &s_pendingRequests */
205     RequestInfo**    pendingRequestsHook = &s_pendingRequests;
206 
207 #if (SIM_COUNT >= 2)
208     if (socket_id == RIL_SOCKET_2) {
209         pendingRequestsMutexHook = &s_pendingRequestsMutex_socket2;
210         pendingRequestsHook = &s_pendingRequests_socket2;
211     }
212 #if (SIM_COUNT >= 3)
213     else if (socket_id == RIL_SOCKET_3) {
214         pendingRequestsMutexHook = &s_pendingRequestsMutex_socket3;
215         pendingRequestsHook = &s_pendingRequests_socket3;
216     }
217 #endif
218 #if (SIM_COUNT >= 4)
219     else if (socket_id == RIL_SOCKET_4) {
220         pendingRequestsMutexHook = &s_pendingRequestsMutex_socket4;
221         pendingRequestsHook = &s_pendingRequests_socket4;
222     }
223 #endif
224 #endif
225 
226     pRI = (RequestInfo *)calloc(1, sizeof(RequestInfo));
227     if (pRI == NULL) {
228         RLOGE("Memory allocation failed for request %s", requestToString(request));
229         return NULL;
230     }
231 
232     pRI->token = serial;
233     pRI->pCI = &(s_commands[request]);
234     pRI->socket_id = socket_id;
235 
236     ret = pthread_mutex_lock(pendingRequestsMutexHook);
237     assert (ret == 0);
238 
239     pRI->p_next = *pendingRequestsHook;
240     *pendingRequestsHook = pRI;
241 
242     ret = pthread_mutex_unlock(pendingRequestsMutexHook);
243     assert (ret == 0);
244 
245     return pRI;
246 }
247 
triggerEvLoop()248 static void triggerEvLoop() {
249     int ret;
250     if (!pthread_equal(pthread_self(), s_tid_dispatch)) {
251         /* trigger event loop to wakeup. No reason to do this,
252          * if we're in the event loop thread */
253          do {
254             ret = write (s_fdWakeupWrite, " ", 1);
255          } while (ret < 0 && errno == EINTR);
256     }
257 }
258 
rilEventAddWakeup(struct ril_event * ev)259 static void rilEventAddWakeup(struct ril_event *ev) {
260     ril_event_add(ev);
261     triggerEvLoop();
262 }
263 
264 /**
265  * A write on the wakeup fd is done just to pop us out of select()
266  * We empty the buffer here and then ril_event will reset the timers on the
267  * way back down
268  */
processWakeupCallback(int fd,short flags,void * param)269 static void processWakeupCallback(int fd, short flags, void *param) {
270     char buff[16];
271     int ret;
272 
273     RLOGV("processWakeupCallback");
274 
275     /* empty our wakeup socket out */
276     do {
277         ret = read(s_fdWakeupRead, &buff, sizeof(buff));
278     } while (ret > 0 || (ret < 0 && errno == EINTR));
279 }
280 
resendLastNITZTimeData(RIL_SOCKET_ID socket_id)281 static void resendLastNITZTimeData(RIL_SOCKET_ID socket_id) {
282     if (s_lastNITZTimeData != NULL) {
283         int responseType = (s_callbacks.version >= 13)
284                            ? RESPONSE_UNSOLICITED_ACK_EXP
285                            : RESPONSE_UNSOLICITED;
286         // acquire read lock for the service before calling nitzTimeReceivedInd() since it reads
287         // nitzTimeReceived in ril_service
288         pthread_rwlock_t *radioServiceRwlockPtr = radio::getRadioServiceRwlock(
289                 (int) socket_id);
290         int rwlockRet = pthread_rwlock_rdlock(radioServiceRwlockPtr);
291         assert(rwlockRet == 0);
292 
293         int ret = radio::nitzTimeReceivedInd(
294             (int)socket_id, responseType, 0,
295             RIL_E_SUCCESS, s_lastNITZTimeData, s_lastNITZTimeDataSize);
296         if (ret == 0) {
297             free(s_lastNITZTimeData);
298             s_lastNITZTimeData = NULL;
299         }
300 
301         rwlockRet = pthread_rwlock_unlock(radioServiceRwlockPtr);
302         assert(rwlockRet == 0);
303     }
304 }
305 
onNewCommandConnect(RIL_SOCKET_ID socket_id)306 void onNewCommandConnect(RIL_SOCKET_ID socket_id) {
307     // Inform we are connected and the ril version
308     int rilVer = s_callbacks.version;
309     RIL_UNSOL_RESPONSE(RIL_UNSOL_RIL_CONNECTED,
310                                     &rilVer, sizeof(rilVer), socket_id);
311 
312     // implicit radio state changed
313     RIL_UNSOL_RESPONSE(RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED,
314                                     NULL, 0, socket_id);
315 
316     // Send last NITZ time data, in case it was missed
317     if (s_lastNITZTimeData != NULL) {
318         resendLastNITZTimeData(socket_id);
319     }
320 
321     // Get version string
322     if (s_callbacks.getVersion != NULL) {
323         const char *version;
324         version = s_callbacks.getVersion();
325         RLOGI("RIL Daemon version: %s\n", version);
326 
327         property_set(PROPERTY_RIL_IMPL, version);
328     } else {
329         RLOGI("RIL Daemon version: unavailable\n");
330         property_set(PROPERTY_RIL_IMPL, "unavailable");
331     }
332 
333 }
334 
userTimerCallback(int fd,short flags,void * param)335 static void userTimerCallback (int fd, short flags, void *param) {
336     UserCallbackInfo *p_info;
337 
338     p_info = (UserCallbackInfo *)param;
339 
340     p_info->p_callback(p_info->userParam);
341 
342 
343     // FIXME generalize this...there should be a cancel mechanism
344     if (s_last_wake_timeout_info != NULL && s_last_wake_timeout_info == p_info) {
345         s_last_wake_timeout_info = NULL;
346     }
347 
348     free(p_info);
349 }
350 
351 
352 static void *
eventLoop(void * param)353 eventLoop(void *param) {
354     int ret;
355     int filedes[2];
356 
357     ril_event_init();
358 
359     pthread_mutex_lock(&s_startupMutex);
360 
361     s_started = 1;
362     pthread_cond_broadcast(&s_startupCond);
363 
364     pthread_mutex_unlock(&s_startupMutex);
365 
366     ret = pipe(filedes);
367 
368     if (ret < 0) {
369         RLOGE("Error in pipe() errno:%d", errno);
370         return NULL;
371     }
372 
373     s_fdWakeupRead = filedes[0];
374     s_fdWakeupWrite = filedes[1];
375 
376     fcntl(s_fdWakeupRead, F_SETFL, O_NONBLOCK);
377 
378     ril_event_set (&s_wakeupfd_event, s_fdWakeupRead, true,
379                 processWakeupCallback, NULL);
380 
381     rilEventAddWakeup (&s_wakeupfd_event);
382 
383     // Only returns on error
384     ril_event_loop();
385     RLOGE ("error in event_loop_base errno:%d", errno);
386     // kill self to restart on error
387     kill(0, SIGKILL);
388 
389     return NULL;
390 }
391 
392 extern "C" void
RIL_startEventLoop(void)393 RIL_startEventLoop(void) {
394     /* spin up eventLoop thread and wait for it to get started */
395     s_started = 0;
396     pthread_mutex_lock(&s_startupMutex);
397 
398     pthread_attr_t attr;
399     pthread_attr_init(&attr);
400     pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
401 
402     int result = pthread_create(&s_tid_dispatch, &attr, eventLoop, NULL);
403     if (result != 0) {
404         RLOGE("Failed to create dispatch thread: %s", strerror(result));
405         goto done;
406     }
407 
408     while (s_started == 0) {
409         pthread_cond_wait(&s_startupCond, &s_startupMutex);
410     }
411 
412 done:
413     pthread_mutex_unlock(&s_startupMutex);
414 }
415 
416 // Used for testing purpose only.
RIL_setcallbacks(const RIL_RadioFunctions * callbacks)417 extern "C" void RIL_setcallbacks (const RIL_RadioFunctions *callbacks) {
418     memcpy(&s_callbacks, callbacks, sizeof (RIL_RadioFunctions));
419 }
420 
421 extern "C" void
RIL_register(const RIL_RadioFunctions * callbacks)422 RIL_register (const RIL_RadioFunctions *callbacks) {
423     RLOGI("SIM_COUNT: %d", SIM_COUNT);
424 
425     if (callbacks == NULL) {
426         RLOGE("RIL_register: RIL_RadioFunctions * null");
427         return;
428     }
429     if (callbacks->version < RIL_VERSION_MIN) {
430         RLOGE("RIL_register: version %d is to old, min version is %d",
431              callbacks->version, RIL_VERSION_MIN);
432         return;
433     }
434 
435     RLOGE("RIL_register: RIL version %d", callbacks->version);
436 
437     if (s_registerCalled > 0) {
438         RLOGE("RIL_register has been called more than once. "
439                 "Subsequent call ignored");
440         return;
441     }
442 
443     memcpy(&s_callbacks, callbacks, sizeof (RIL_RadioFunctions));
444 
445     s_registerCalled = 1;
446 
447     RLOGI("s_registerCalled flag set, %d", s_started);
448     // Little self-check
449 
450     for (int i = 0; i < (int)NUM_ELEMS(s_commands); i++) {
451         assert(i == s_commands[i].requestNumber);
452     }
453 
454     for (int i = 0; i < (int)NUM_ELEMS(s_unsolResponses); i++) {
455         assert(i + RIL_UNSOL_RESPONSE_BASE
456                 == s_unsolResponses[i].requestNumber);
457     }
458 
459     radio::registerService(&s_callbacks, s_commands);
460     RLOGI("RILHIDL called registerService");
461 
462 }
463 
464 extern "C" void
RIL_register_socket(const RIL_RadioFunctions * (* Init)(const struct RIL_Env *,int,char **),RIL_SOCKET_TYPE socketType,int argc,char ** argv)465 RIL_register_socket (const RIL_RadioFunctions *(*Init)(const struct RIL_Env *, int, char **),
466         RIL_SOCKET_TYPE socketType, int argc, char **argv) {
467 
468     const RIL_RadioFunctions* UimFuncs = NULL;
469 
470     if(Init) {
471         UimFuncs = Init(&RilSapSocket::uimRilEnv, argc, argv);
472 
473         switch(socketType) {
474             case RIL_SAP_SOCKET:
475                 RilSapSocket::initSapSocket(RIL1_SERVICE_NAME, UimFuncs);
476 
477 #if (SIM_COUNT >= 2)
478                 RilSapSocket::initSapSocket(RIL2_SERVICE_NAME, UimFuncs);
479 #endif
480 
481 #if (SIM_COUNT >= 3)
482                 RilSapSocket::initSapSocket(RIL3_SERVICE_NAME, UimFuncs);
483 #endif
484 
485 #if (SIM_COUNT >= 4)
486                 RilSapSocket::initSapSocket(RIL4_SERVICE_NAME, UimFuncs);
487 #endif
488                 break;
489             default:;
490         }
491 
492         RLOGI("RIL_register_socket: calling registerService");
493         sap::registerService(UimFuncs);
494     }
495 }
496 
497 // Check and remove RequestInfo if its a response and not just ack sent back
498 static int
checkAndDequeueRequestInfoIfAck(struct RequestInfo * pRI,bool isAck)499 checkAndDequeueRequestInfoIfAck(struct RequestInfo *pRI, bool isAck) {
500     int ret = 0;
501     /* Hook for current context
502        pendingRequestsMutextHook refer to &s_pendingRequestsMutex */
503     pthread_mutex_t* pendingRequestsMutexHook = &s_pendingRequestsMutex;
504     /* pendingRequestsHook refer to &s_pendingRequests */
505     RequestInfo ** pendingRequestsHook = &s_pendingRequests;
506 
507     if (pRI == NULL) {
508         return 0;
509     }
510 
511 #if (SIM_COUNT >= 2)
512     if (pRI->socket_id == RIL_SOCKET_2) {
513         pendingRequestsMutexHook = &s_pendingRequestsMutex_socket2;
514         pendingRequestsHook = &s_pendingRequests_socket2;
515     }
516 #if (SIM_COUNT >= 3)
517         if (pRI->socket_id == RIL_SOCKET_3) {
518             pendingRequestsMutexHook = &s_pendingRequestsMutex_socket3;
519             pendingRequestsHook = &s_pendingRequests_socket3;
520         }
521 #endif
522 #if (SIM_COUNT >= 4)
523     if (pRI->socket_id == RIL_SOCKET_4) {
524         pendingRequestsMutexHook = &s_pendingRequestsMutex_socket4;
525         pendingRequestsHook = &s_pendingRequests_socket4;
526     }
527 #endif
528 #endif
529     pthread_mutex_lock(pendingRequestsMutexHook);
530 
531     for(RequestInfo **ppCur = pendingRequestsHook
532         ; *ppCur != NULL
533         ; ppCur = &((*ppCur)->p_next)
534     ) {
535         if (pRI == *ppCur) {
536             ret = 1;
537             if (isAck) { // Async ack
538                 if (pRI->wasAckSent == 1) {
539                     RLOGD("Ack was already sent for %s", requestToString(pRI->pCI->requestNumber));
540                 } else {
541                     pRI->wasAckSent = 1;
542                 }
543             } else {
544                 *ppCur = (*ppCur)->p_next;
545             }
546             break;
547         }
548     }
549 
550     pthread_mutex_unlock(pendingRequestsMutexHook);
551 
552     return ret;
553 }
554 
555 extern "C" void
RIL_onRequestAck(RIL_Token t)556 RIL_onRequestAck(RIL_Token t) {
557     RequestInfo *pRI;
558 
559     RIL_SOCKET_ID socket_id = RIL_SOCKET_1;
560 
561     pRI = (RequestInfo *)t;
562 
563     if (!checkAndDequeueRequestInfoIfAck(pRI, true)) {
564         RLOGE ("RIL_onRequestAck: invalid RIL_Token");
565         return;
566     }
567 
568     socket_id = pRI->socket_id;
569 
570 #if VDBG
571     RLOGD("Request Ack, %s", rilSocketIdToString(socket_id));
572 #endif
573 
574     appendPrintBuf("Ack [%04d]< %s", pRI->token, requestToString(pRI->pCI->requestNumber));
575 
576     if (pRI->cancelled == 0) {
577         pthread_rwlock_t *radioServiceRwlockPtr = radio::getRadioServiceRwlock(
578                 (int) socket_id);
579         int rwlockRet = pthread_rwlock_rdlock(radioServiceRwlockPtr);
580         assert(rwlockRet == 0);
581 
582         radio::acknowledgeRequest((int) socket_id, pRI->token);
583 
584         rwlockRet = pthread_rwlock_unlock(radioServiceRwlockPtr);
585         assert(rwlockRet == 0);
586     }
587 }
588 extern "C" void
RIL_onRequestComplete(RIL_Token t,RIL_Errno e,void * response,size_t responselen)589 RIL_onRequestComplete(RIL_Token t, RIL_Errno e, void *response, size_t responselen) {
590     RequestInfo *pRI;
591     int ret;
592     RIL_SOCKET_ID socket_id = RIL_SOCKET_1;
593 
594     pRI = (RequestInfo *)t;
595 
596     if (!checkAndDequeueRequestInfoIfAck(pRI, false)) {
597         RLOGE ("RIL_onRequestComplete: invalid RIL_Token");
598         return;
599     }
600 
601     socket_id = pRI->socket_id;
602 #if VDBG
603     RLOGD("RequestComplete, %s", rilSocketIdToString(socket_id));
604 #endif
605 
606     if (pRI->local > 0) {
607         // Locally issued command...void only!
608         // response does not go back up the command socket
609         RLOGD("C[locl]< %s", requestToString(pRI->pCI->requestNumber));
610 
611         free(pRI);
612         return;
613     }
614 
615     appendPrintBuf("[%04d]< %s",
616         pRI->token, requestToString(pRI->pCI->requestNumber));
617 
618     if (pRI->cancelled == 0) {
619         int responseType;
620         if (s_callbacks.version >= 13 && pRI->wasAckSent == 1) {
621             // If ack was already sent, then this call is an asynchronous response. So we need to
622             // send id indicating that we expect an ack from RIL.java as we acquire wakelock here.
623             responseType = RESPONSE_SOLICITED_ACK_EXP;
624             grabPartialWakeLock();
625         } else {
626             responseType = RESPONSE_SOLICITED;
627         }
628 
629         // there is a response payload, no matter success or not.
630 #if VDBG
631         RLOGE ("Calling responseFunction() for token %d", pRI->token);
632 #endif
633 
634         pthread_rwlock_t *radioServiceRwlockPtr = radio::getRadioServiceRwlock((int) socket_id);
635         int rwlockRet = pthread_rwlock_rdlock(radioServiceRwlockPtr);
636         assert(rwlockRet == 0);
637 
638         ret = pRI->pCI->responseFunction((int) socket_id,
639                 responseType, pRI->token, e, response, responselen);
640 
641         rwlockRet = pthread_rwlock_unlock(radioServiceRwlockPtr);
642         assert(rwlockRet == 0);
643     }
644     free(pRI);
645 }
646 
647 static void
grabPartialWakeLock()648 grabPartialWakeLock() {
649     if (s_callbacks.version >= 13) {
650         int ret;
651         ret = pthread_mutex_lock(&s_wakeLockCountMutex);
652         assert(ret == 0);
653         acquire_wake_lock(PARTIAL_WAKE_LOCK, ANDROID_WAKE_LOCK_NAME);
654 
655         UserCallbackInfo *p_info =
656                 internalRequestTimedCallback(wakeTimeoutCallback, NULL, &TIMEVAL_WAKE_TIMEOUT);
657         if (p_info == NULL) {
658             release_wake_lock(ANDROID_WAKE_LOCK_NAME);
659         } else {
660             s_wakelock_count++;
661             if (s_last_wake_timeout_info != NULL) {
662                 s_last_wake_timeout_info->userParam = (void *)1;
663             }
664             s_last_wake_timeout_info = p_info;
665         }
666         ret = pthread_mutex_unlock(&s_wakeLockCountMutex);
667         assert(ret == 0);
668     } else {
669         acquire_wake_lock(PARTIAL_WAKE_LOCK, ANDROID_WAKE_LOCK_NAME);
670     }
671 }
672 
673 void
releaseWakeLock()674 releaseWakeLock() {
675     if (s_callbacks.version >= 13) {
676         int ret;
677         ret = pthread_mutex_lock(&s_wakeLockCountMutex);
678         assert(ret == 0);
679 
680         if (s_wakelock_count > 1) {
681             s_wakelock_count--;
682         } else {
683             s_wakelock_count = 0;
684             release_wake_lock(ANDROID_WAKE_LOCK_NAME);
685             if (s_last_wake_timeout_info != NULL) {
686                 s_last_wake_timeout_info->userParam = (void *)1;
687             }
688         }
689 
690         ret = pthread_mutex_unlock(&s_wakeLockCountMutex);
691         assert(ret == 0);
692     } else {
693         release_wake_lock(ANDROID_WAKE_LOCK_NAME);
694     }
695 }
696 
697 /**
698  * Timer callback to put us back to sleep before the default timeout
699  */
700 static void
wakeTimeoutCallback(void * param)701 wakeTimeoutCallback (void *param) {
702     // We're using "param != NULL" as a cancellation mechanism
703     if (s_callbacks.version >= 13) {
704         if (param == NULL) {
705             int ret;
706             ret = pthread_mutex_lock(&s_wakeLockCountMutex);
707             assert(ret == 0);
708             s_wakelock_count = 0;
709             release_wake_lock(ANDROID_WAKE_LOCK_NAME);
710             ret = pthread_mutex_unlock(&s_wakeLockCountMutex);
711             assert(ret == 0);
712         }
713     } else {
714         if (param == NULL) {
715             releaseWakeLock();
716         }
717     }
718 }
719 
720 #if defined(ANDROID_MULTI_SIM)
721 extern "C"
RIL_onUnsolicitedResponse(int unsolResponse,const void * data,size_t datalen,RIL_SOCKET_ID socket_id)722 void RIL_onUnsolicitedResponse(int unsolResponse, const void *data,
723                                 size_t datalen, RIL_SOCKET_ID socket_id)
724 #else
725 extern "C"
726 void RIL_onUnsolicitedResponse(int unsolResponse, const void *data,
727                                 size_t datalen)
728 #endif
729 {
730     int unsolResponseIndex;
731     int ret;
732     bool shouldScheduleTimeout = false;
733     RIL_SOCKET_ID soc_id = RIL_SOCKET_1;
734 
735 #if defined(ANDROID_MULTI_SIM)
736     soc_id = socket_id;
737 #endif
738 
739 
740     if (s_registerCalled == 0) {
741         // Ignore RIL_onUnsolicitedResponse before RIL_register
742         RLOGW("RIL_onUnsolicitedResponse called before RIL_register");
743         return;
744     }
745 
746     unsolResponseIndex = unsolResponse - RIL_UNSOL_RESPONSE_BASE;
747 
748     if ((unsolResponseIndex < 0)
749         || (unsolResponseIndex >= (int32_t)NUM_ELEMS(s_unsolResponses))) {
750         RLOGE("unsupported unsolicited response code %d", unsolResponse);
751         return;
752     }
753 
754     // Grab a wake lock if needed for this reponse,
755     // as we exit we'll either release it immediately
756     // or set a timer to release it later.
757     switch (s_unsolResponses[unsolResponseIndex].wakeType) {
758         case WAKE_PARTIAL:
759             grabPartialWakeLock();
760             shouldScheduleTimeout = true;
761         break;
762 
763         case DONT_WAKE:
764         default:
765             // No wake lock is grabed so don't set timeout
766             shouldScheduleTimeout = false;
767             break;
768     }
769 
770     appendPrintBuf("[UNSL]< %s", requestToString(unsolResponse));
771 
772     int responseType;
773     if (s_callbacks.version >= 13
774                 && s_unsolResponses[unsolResponseIndex].wakeType == WAKE_PARTIAL) {
775         responseType = RESPONSE_UNSOLICITED_ACK_EXP;
776     } else {
777         responseType = RESPONSE_UNSOLICITED;
778     }
779 
780     pthread_rwlock_t *radioServiceRwlockPtr = radio::getRadioServiceRwlock((int) soc_id);
781     int rwlockRet;
782 
783     if (unsolResponse == RIL_UNSOL_NITZ_TIME_RECEIVED) {
784         // get a write lock in caes of NITZ since setNitzTimeReceived() is called
785         rwlockRet = pthread_rwlock_wrlock(radioServiceRwlockPtr);
786         assert(rwlockRet == 0);
787         radio::setNitzTimeReceived((int) soc_id, android::elapsedRealtime());
788     } else {
789         rwlockRet = pthread_rwlock_rdlock(radioServiceRwlockPtr);
790         assert(rwlockRet == 0);
791     }
792 
793     if (s_unsolResponses[unsolResponseIndex].responseFunction) {
794         ret = s_unsolResponses[unsolResponseIndex].responseFunction(
795                 (int) soc_id, responseType, 0, RIL_E_SUCCESS, const_cast<void*>(data),
796                 datalen);
797     }
798 
799     rwlockRet = pthread_rwlock_unlock(radioServiceRwlockPtr);
800     assert(rwlockRet == 0);
801 
802     if (s_callbacks.version < 13) {
803         if (shouldScheduleTimeout) {
804             UserCallbackInfo *p_info = internalRequestTimedCallback(wakeTimeoutCallback, NULL,
805                     &TIMEVAL_WAKE_TIMEOUT);
806 
807             if (p_info == NULL) {
808                 goto error_exit;
809             } else {
810                 // Cancel the previous request
811                 if (s_last_wake_timeout_info != NULL) {
812                     s_last_wake_timeout_info->userParam = (void *)1;
813                 }
814                 s_last_wake_timeout_info = p_info;
815             }
816         }
817     }
818 
819 #if VDBG
820     RLOGI("%s UNSOLICITED: %s length:%zu", rilSocketIdToString(soc_id),
821             requestToString(unsolResponse), datalen);
822 #endif
823 
824     if (ret != 0 && unsolResponse == RIL_UNSOL_NITZ_TIME_RECEIVED) {
825         // Unfortunately, NITZ time is not poll/update like everything
826         // else in the system. So, if the upstream client isn't connected,
827         // keep a copy of the last NITZ response (with receive time noted
828         // above) around so we can deliver it when it is connected
829 
830         if (s_lastNITZTimeData != NULL) {
831             free(s_lastNITZTimeData);
832             s_lastNITZTimeData = NULL;
833         }
834 
835         s_lastNITZTimeData = calloc(datalen, 1);
836         if (s_lastNITZTimeData == NULL) {
837             RLOGE("Memory allocation failed in RIL_onUnsolicitedResponse");
838             goto error_exit;
839         }
840         s_lastNITZTimeDataSize = datalen;
841         memcpy(s_lastNITZTimeData, data, datalen);
842     }
843 
844     // Normal exit
845     return;
846 
847 error_exit:
848     if (shouldScheduleTimeout) {
849         releaseWakeLock();
850     }
851 }
852 
853 /** FIXME generalize this if you track UserCAllbackInfo, clear it
854     when the callback occurs
855 */
856 static UserCallbackInfo *
internalRequestTimedCallback(RIL_TimedCallback callback,void * param,const struct timeval * relativeTime)857 internalRequestTimedCallback (RIL_TimedCallback callback, void *param,
858                                 const struct timeval *relativeTime)
859 {
860     struct timeval myRelativeTime;
861     UserCallbackInfo *p_info;
862 
863     p_info = (UserCallbackInfo *) calloc(1, sizeof(UserCallbackInfo));
864     if (p_info == NULL) {
865         RLOGE("Memory allocation failed in internalRequestTimedCallback");
866         return p_info;
867 
868     }
869 
870     p_info->p_callback = callback;
871     p_info->userParam = param;
872 
873     if (relativeTime == NULL) {
874         /* treat null parameter as a 0 relative time */
875         memset (&myRelativeTime, 0, sizeof(myRelativeTime));
876     } else {
877         /* FIXME I think event_add's tv param is really const anyway */
878         memcpy (&myRelativeTime, relativeTime, sizeof(myRelativeTime));
879     }
880 
881     ril_event_set(&(p_info->event), -1, false, userTimerCallback, p_info);
882 
883     ril_timer_add(&(p_info->event), &myRelativeTime);
884 
885     triggerEvLoop();
886     return p_info;
887 }
888 
889 
890 extern "C" void
RIL_requestTimedCallback(RIL_TimedCallback callback,void * param,const struct timeval * relativeTime)891 RIL_requestTimedCallback (RIL_TimedCallback callback, void *param,
892                                 const struct timeval *relativeTime) {
893     internalRequestTimedCallback (callback, param, relativeTime);
894 }
895 
896 const char *
failCauseToString(RIL_Errno e)897 failCauseToString(RIL_Errno e) {
898     switch(e) {
899         case RIL_E_SUCCESS: return "E_SUCCESS";
900         case RIL_E_RADIO_NOT_AVAILABLE: return "E_RADIO_NOT_AVAILABLE";
901         case RIL_E_GENERIC_FAILURE: return "E_GENERIC_FAILURE";
902         case RIL_E_PASSWORD_INCORRECT: return "E_PASSWORD_INCORRECT";
903         case RIL_E_SIM_PIN2: return "E_SIM_PIN2";
904         case RIL_E_SIM_PUK2: return "E_SIM_PUK2";
905         case RIL_E_REQUEST_NOT_SUPPORTED: return "E_REQUEST_NOT_SUPPORTED";
906         case RIL_E_CANCELLED: return "E_CANCELLED";
907         case RIL_E_OP_NOT_ALLOWED_DURING_VOICE_CALL: return "E_OP_NOT_ALLOWED_DURING_VOICE_CALL";
908         case RIL_E_OP_NOT_ALLOWED_BEFORE_REG_TO_NW: return "E_OP_NOT_ALLOWED_BEFORE_REG_TO_NW";
909         case RIL_E_SMS_SEND_FAIL_RETRY: return "E_SMS_SEND_FAIL_RETRY";
910         case RIL_E_SIM_ABSENT:return "E_SIM_ABSENT";
911         case RIL_E_ILLEGAL_SIM_OR_ME:return "E_ILLEGAL_SIM_OR_ME";
912 #ifdef FEATURE_MULTIMODE_ANDROID
913         case RIL_E_SUBSCRIPTION_NOT_AVAILABLE:return "E_SUBSCRIPTION_NOT_AVAILABLE";
914         case RIL_E_MODE_NOT_SUPPORTED:return "E_MODE_NOT_SUPPORTED";
915 #endif
916         case RIL_E_FDN_CHECK_FAILURE: return "E_FDN_CHECK_FAILURE";
917         case RIL_E_MISSING_RESOURCE: return "E_MISSING_RESOURCE";
918         case RIL_E_NO_SUCH_ELEMENT: return "E_NO_SUCH_ELEMENT";
919         case RIL_E_DIAL_MODIFIED_TO_USSD: return "E_DIAL_MODIFIED_TO_USSD";
920         case RIL_E_DIAL_MODIFIED_TO_SS: return "E_DIAL_MODIFIED_TO_SS";
921         case RIL_E_DIAL_MODIFIED_TO_DIAL: return "E_DIAL_MODIFIED_TO_DIAL";
922         case RIL_E_USSD_MODIFIED_TO_DIAL: return "E_USSD_MODIFIED_TO_DIAL";
923         case RIL_E_USSD_MODIFIED_TO_SS: return "E_USSD_MODIFIED_TO_SS";
924         case RIL_E_USSD_MODIFIED_TO_USSD: return "E_USSD_MODIFIED_TO_USSD";
925         case RIL_E_SS_MODIFIED_TO_DIAL: return "E_SS_MODIFIED_TO_DIAL";
926         case RIL_E_SS_MODIFIED_TO_USSD: return "E_SS_MODIFIED_TO_USSD";
927         case RIL_E_SUBSCRIPTION_NOT_SUPPORTED: return "E_SUBSCRIPTION_NOT_SUPPORTED";
928         case RIL_E_SS_MODIFIED_TO_SS: return "E_SS_MODIFIED_TO_SS";
929         case RIL_E_LCE_NOT_SUPPORTED: return "E_LCE_NOT_SUPPORTED";
930         case RIL_E_NO_MEMORY: return "E_NO_MEMORY";
931         case RIL_E_INTERNAL_ERR: return "E_INTERNAL_ERR";
932         case RIL_E_SYSTEM_ERR: return "E_SYSTEM_ERR";
933         case RIL_E_MODEM_ERR: return "E_MODEM_ERR";
934         case RIL_E_INVALID_STATE: return "E_INVALID_STATE";
935         case RIL_E_NO_RESOURCES: return "E_NO_RESOURCES";
936         case RIL_E_SIM_ERR: return "E_SIM_ERR";
937         case RIL_E_INVALID_ARGUMENTS: return "E_INVALID_ARGUMENTS";
938         case RIL_E_INVALID_SIM_STATE: return "E_INVALID_SIM_STATE";
939         case RIL_E_INVALID_MODEM_STATE: return "E_INVALID_MODEM_STATE";
940         case RIL_E_INVALID_CALL_ID: return "E_INVALID_CALL_ID";
941         case RIL_E_NO_SMS_TO_ACK: return "E_NO_SMS_TO_ACK";
942         case RIL_E_NETWORK_ERR: return "E_NETWORK_ERR";
943         case RIL_E_REQUEST_RATE_LIMITED: return "E_REQUEST_RATE_LIMITED";
944         case RIL_E_SIM_BUSY: return "E_SIM_BUSY";
945         case RIL_E_SIM_FULL: return "E_SIM_FULL";
946         case RIL_E_NETWORK_REJECT: return "E_NETWORK_REJECT";
947         case RIL_E_OPERATION_NOT_ALLOWED: return "E_OPERATION_NOT_ALLOWED";
948         case RIL_E_EMPTY_RECORD: return "E_EMPTY_RECORD";
949         case RIL_E_INVALID_SMS_FORMAT: return "E_INVALID_SMS_FORMAT";
950         case RIL_E_ENCODING_ERR: return "E_ENCODING_ERR";
951         case RIL_E_INVALID_SMSC_ADDRESS: return "E_INVALID_SMSC_ADDRESS";
952         case RIL_E_NO_SUCH_ENTRY: return "E_NO_SUCH_ENTRY";
953         case RIL_E_NETWORK_NOT_READY: return "E_NETWORK_NOT_READY";
954         case RIL_E_NOT_PROVISIONED: return "E_NOT_PROVISIONED";
955         case RIL_E_NO_SUBSCRIPTION: return "E_NO_SUBSCRIPTION";
956         case RIL_E_NO_NETWORK_FOUND: return "E_NO_NETWORK_FOUND";
957         case RIL_E_DEVICE_IN_USE: return "E_DEVICE_IN_USE";
958         case RIL_E_ABORTED: return "E_ABORTED";
959         case RIL_E_INVALID_RESPONSE: return "INVALID_RESPONSE";
960         case RIL_E_OEM_ERROR_1: return "E_OEM_ERROR_1";
961         case RIL_E_OEM_ERROR_2: return "E_OEM_ERROR_2";
962         case RIL_E_OEM_ERROR_3: return "E_OEM_ERROR_3";
963         case RIL_E_OEM_ERROR_4: return "E_OEM_ERROR_4";
964         case RIL_E_OEM_ERROR_5: return "E_OEM_ERROR_5";
965         case RIL_E_OEM_ERROR_6: return "E_OEM_ERROR_6";
966         case RIL_E_OEM_ERROR_7: return "E_OEM_ERROR_7";
967         case RIL_E_OEM_ERROR_8: return "E_OEM_ERROR_8";
968         case RIL_E_OEM_ERROR_9: return "E_OEM_ERROR_9";
969         case RIL_E_OEM_ERROR_10: return "E_OEM_ERROR_10";
970         case RIL_E_OEM_ERROR_11: return "E_OEM_ERROR_11";
971         case RIL_E_OEM_ERROR_12: return "E_OEM_ERROR_12";
972         case RIL_E_OEM_ERROR_13: return "E_OEM_ERROR_13";
973         case RIL_E_OEM_ERROR_14: return "E_OEM_ERROR_14";
974         case RIL_E_OEM_ERROR_15: return "E_OEM_ERROR_15";
975         case RIL_E_OEM_ERROR_16: return "E_OEM_ERROR_16";
976         case RIL_E_OEM_ERROR_17: return "E_OEM_ERROR_17";
977         case RIL_E_OEM_ERROR_18: return "E_OEM_ERROR_18";
978         case RIL_E_OEM_ERROR_19: return "E_OEM_ERROR_19";
979         case RIL_E_OEM_ERROR_20: return "E_OEM_ERROR_20";
980         case RIL_E_OEM_ERROR_21: return "E_OEM_ERROR_21";
981         case RIL_E_OEM_ERROR_22: return "E_OEM_ERROR_22";
982         case RIL_E_OEM_ERROR_23: return "E_OEM_ERROR_23";
983         case RIL_E_OEM_ERROR_24: return "E_OEM_ERROR_24";
984         case RIL_E_OEM_ERROR_25: return "E_OEM_ERROR_25";
985         default: return "<unknown error>";
986     }
987 }
988 
989 const char *
radioStateToString(RIL_RadioState s)990 radioStateToString(RIL_RadioState s) {
991     switch(s) {
992         case RADIO_STATE_OFF: return "RADIO_OFF";
993         case RADIO_STATE_UNAVAILABLE: return "RADIO_UNAVAILABLE";
994         case RADIO_STATE_ON:return"RADIO_ON";
995         default: return "<unknown state>";
996     }
997 }
998 
999 const char *
callStateToString(RIL_CallState s)1000 callStateToString(RIL_CallState s) {
1001     switch(s) {
1002         case RIL_CALL_ACTIVE : return "ACTIVE";
1003         case RIL_CALL_HOLDING: return "HOLDING";
1004         case RIL_CALL_DIALING: return "DIALING";
1005         case RIL_CALL_ALERTING: return "ALERTING";
1006         case RIL_CALL_INCOMING: return "INCOMING";
1007         case RIL_CALL_WAITING: return "WAITING";
1008         default: return "<unknown state>";
1009     }
1010 }
1011 
1012 const char *
requestToString(int request)1013 requestToString(int request) {
1014 /*
1015  cat libs/telephony/ril_commands.h \
1016  | egrep "^ *{RIL_" \
1017  | sed -re 's/\{RIL_([^,]+),[^,]+,([^}]+).+/case RIL_\1: return "\1";/'
1018 
1019 
1020  cat libs/telephony/ril_unsol_commands.h \
1021  | egrep "^ *{RIL_" \
1022  | sed -re 's/\{RIL_([^,]+),([^}]+).+/case RIL_\1: return "\1";/'
1023 
1024 */
1025     switch(request) {
1026         case RIL_REQUEST_GET_SIM_STATUS: return "GET_SIM_STATUS";
1027         case RIL_REQUEST_ENTER_SIM_PIN: return "ENTER_SIM_PIN";
1028         case RIL_REQUEST_ENTER_SIM_PUK: return "ENTER_SIM_PUK";
1029         case RIL_REQUEST_ENTER_SIM_PIN2: return "ENTER_SIM_PIN2";
1030         case RIL_REQUEST_ENTER_SIM_PUK2: return "ENTER_SIM_PUK2";
1031         case RIL_REQUEST_CHANGE_SIM_PIN: return "CHANGE_SIM_PIN";
1032         case RIL_REQUEST_CHANGE_SIM_PIN2: return "CHANGE_SIM_PIN2";
1033         case RIL_REQUEST_ENTER_NETWORK_DEPERSONALIZATION: return "ENTER_NETWORK_DEPERSONALIZATION";
1034         case RIL_REQUEST_GET_CURRENT_CALLS: return "GET_CURRENT_CALLS";
1035         case RIL_REQUEST_DIAL: return "DIAL";
1036         case RIL_REQUEST_GET_IMSI: return "GET_IMSI";
1037         case RIL_REQUEST_HANGUP: return "HANGUP";
1038         case RIL_REQUEST_HANGUP_WAITING_OR_BACKGROUND: return "HANGUP_WAITING_OR_BACKGROUND";
1039         case RIL_REQUEST_HANGUP_FOREGROUND_RESUME_BACKGROUND: return "HANGUP_FOREGROUND_RESUME_BACKGROUND";
1040         case RIL_REQUEST_SWITCH_WAITING_OR_HOLDING_AND_ACTIVE: return "SWITCH_WAITING_OR_HOLDING_AND_ACTIVE";
1041         case RIL_REQUEST_CONFERENCE: return "CONFERENCE";
1042         case RIL_REQUEST_UDUB: return "UDUB";
1043         case RIL_REQUEST_LAST_CALL_FAIL_CAUSE: return "LAST_CALL_FAIL_CAUSE";
1044         case RIL_REQUEST_SIGNAL_STRENGTH: return "SIGNAL_STRENGTH";
1045         case RIL_REQUEST_VOICE_REGISTRATION_STATE: return "VOICE_REGISTRATION_STATE";
1046         case RIL_REQUEST_DATA_REGISTRATION_STATE: return "DATA_REGISTRATION_STATE";
1047         case RIL_REQUEST_OPERATOR: return "OPERATOR";
1048         case RIL_REQUEST_RADIO_POWER: return "RADIO_POWER";
1049         case RIL_REQUEST_DTMF: return "DTMF";
1050         case RIL_REQUEST_SEND_SMS: return "SEND_SMS";
1051         case RIL_REQUEST_SEND_SMS_EXPECT_MORE: return "SEND_SMS_EXPECT_MORE";
1052         case RIL_REQUEST_SETUP_DATA_CALL: return "SETUP_DATA_CALL";
1053         case RIL_REQUEST_SIM_IO: return "SIM_IO";
1054         case RIL_REQUEST_SEND_USSD: return "SEND_USSD";
1055         case RIL_REQUEST_CANCEL_USSD: return "CANCEL_USSD";
1056         case RIL_REQUEST_GET_CLIR: return "GET_CLIR";
1057         case RIL_REQUEST_SET_CLIR: return "SET_CLIR";
1058         case RIL_REQUEST_QUERY_CALL_FORWARD_STATUS: return "QUERY_CALL_FORWARD_STATUS";
1059         case RIL_REQUEST_SET_CALL_FORWARD: return "SET_CALL_FORWARD";
1060         case RIL_REQUEST_QUERY_CALL_WAITING: return "QUERY_CALL_WAITING";
1061         case RIL_REQUEST_SET_CALL_WAITING: return "SET_CALL_WAITING";
1062         case RIL_REQUEST_SMS_ACKNOWLEDGE: return "SMS_ACKNOWLEDGE";
1063         case RIL_REQUEST_GET_IMEI: return "GET_IMEI";
1064         case RIL_REQUEST_GET_IMEISV: return "GET_IMEISV";
1065         case RIL_REQUEST_ANSWER: return "ANSWER";
1066         case RIL_REQUEST_DEACTIVATE_DATA_CALL: return "DEACTIVATE_DATA_CALL";
1067         case RIL_REQUEST_QUERY_FACILITY_LOCK: return "QUERY_FACILITY_LOCK";
1068         case RIL_REQUEST_SET_FACILITY_LOCK: return "SET_FACILITY_LOCK";
1069         case RIL_REQUEST_CHANGE_BARRING_PASSWORD: return "CHANGE_BARRING_PASSWORD";
1070         case RIL_REQUEST_QUERY_NETWORK_SELECTION_MODE: return "QUERY_NETWORK_SELECTION_MODE";
1071         case RIL_REQUEST_SET_NETWORK_SELECTION_AUTOMATIC: return "SET_NETWORK_SELECTION_AUTOMATIC";
1072         case RIL_REQUEST_SET_NETWORK_SELECTION_MANUAL: return "SET_NETWORK_SELECTION_MANUAL";
1073         case RIL_REQUEST_QUERY_AVAILABLE_NETWORKS: return "QUERY_AVAILABLE_NETWORKS";
1074         case RIL_REQUEST_DTMF_START: return "DTMF_START";
1075         case RIL_REQUEST_DTMF_STOP: return "DTMF_STOP";
1076         case RIL_REQUEST_BASEBAND_VERSION: return "BASEBAND_VERSION";
1077         case RIL_REQUEST_SEPARATE_CONNECTION: return "SEPARATE_CONNECTION";
1078         case RIL_REQUEST_SET_MUTE: return "SET_MUTE";
1079         case RIL_REQUEST_GET_MUTE: return "GET_MUTE";
1080         case RIL_REQUEST_QUERY_CLIP: return "QUERY_CLIP";
1081         case RIL_REQUEST_LAST_DATA_CALL_FAIL_CAUSE: return "LAST_DATA_CALL_FAIL_CAUSE";
1082         case RIL_REQUEST_DATA_CALL_LIST: return "DATA_CALL_LIST";
1083         case RIL_REQUEST_RESET_RADIO: return "RESET_RADIO";
1084         case RIL_REQUEST_OEM_HOOK_RAW: return "OEM_HOOK_RAW";
1085         case RIL_REQUEST_OEM_HOOK_STRINGS: return "OEM_HOOK_STRINGS";
1086         case RIL_REQUEST_SCREEN_STATE: return "SCREEN_STATE";
1087         case RIL_REQUEST_SET_SUPP_SVC_NOTIFICATION: return "SET_SUPP_SVC_NOTIFICATION";
1088         case RIL_REQUEST_WRITE_SMS_TO_SIM: return "WRITE_SMS_TO_SIM";
1089         case RIL_REQUEST_DELETE_SMS_ON_SIM: return "DELETE_SMS_ON_SIM";
1090         case RIL_REQUEST_SET_BAND_MODE: return "SET_BAND_MODE";
1091         case RIL_REQUEST_QUERY_AVAILABLE_BAND_MODE: return "QUERY_AVAILABLE_BAND_MODE";
1092         case RIL_REQUEST_STK_GET_PROFILE: return "STK_GET_PROFILE";
1093         case RIL_REQUEST_STK_SET_PROFILE: return "STK_SET_PROFILE";
1094         case RIL_REQUEST_STK_SEND_ENVELOPE_COMMAND: return "STK_SEND_ENVELOPE_COMMAND";
1095         case RIL_REQUEST_STK_SEND_TERMINAL_RESPONSE: return "STK_SEND_TERMINAL_RESPONSE";
1096         case RIL_REQUEST_STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM: return "STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM";
1097         case RIL_REQUEST_EXPLICIT_CALL_TRANSFER: return "EXPLICIT_CALL_TRANSFER";
1098         case RIL_REQUEST_SET_PREFERRED_NETWORK_TYPE: return "SET_PREFERRED_NETWORK_TYPE";
1099         case RIL_REQUEST_GET_PREFERRED_NETWORK_TYPE: return "GET_PREFERRED_NETWORK_TYPE";
1100         case RIL_REQUEST_GET_NEIGHBORING_CELL_IDS: return "GET_NEIGHBORING_CELL_IDS";
1101         case RIL_REQUEST_SET_LOCATION_UPDATES: return "SET_LOCATION_UPDATES";
1102         case RIL_REQUEST_CDMA_SET_SUBSCRIPTION_SOURCE: return "CDMA_SET_SUBSCRIPTION_SOURCE";
1103         case RIL_REQUEST_CDMA_SET_ROAMING_PREFERENCE: return "CDMA_SET_ROAMING_PREFERENCE";
1104         case RIL_REQUEST_CDMA_QUERY_ROAMING_PREFERENCE: return "CDMA_QUERY_ROAMING_PREFERENCE";
1105         case RIL_REQUEST_SET_TTY_MODE: return "SET_TTY_MODE";
1106         case RIL_REQUEST_QUERY_TTY_MODE: return "QUERY_TTY_MODE";
1107         case RIL_REQUEST_CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE: return "CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE";
1108         case RIL_REQUEST_CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE: return "CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE";
1109         case RIL_REQUEST_CDMA_FLASH: return "CDMA_FLASH";
1110         case RIL_REQUEST_CDMA_BURST_DTMF: return "CDMA_BURST_DTMF";
1111         case RIL_REQUEST_CDMA_VALIDATE_AND_WRITE_AKEY: return "CDMA_VALIDATE_AND_WRITE_AKEY";
1112         case RIL_REQUEST_CDMA_SEND_SMS: return "CDMA_SEND_SMS";
1113         case RIL_REQUEST_CDMA_SMS_ACKNOWLEDGE: return "CDMA_SMS_ACKNOWLEDGE";
1114         case RIL_REQUEST_GSM_GET_BROADCAST_SMS_CONFIG: return "GSM_GET_BROADCAST_SMS_CONFIG";
1115         case RIL_REQUEST_GSM_SET_BROADCAST_SMS_CONFIG: return "GSM_SET_BROADCAST_SMS_CONFIG";
1116         case RIL_REQUEST_GSM_SMS_BROADCAST_ACTIVATION: return "GSM_SMS_BROADCAST_ACTIVATION";
1117         case RIL_REQUEST_CDMA_GET_BROADCAST_SMS_CONFIG: return "CDMA_GET_BROADCAST_SMS_CONFIG";
1118         case RIL_REQUEST_CDMA_SET_BROADCAST_SMS_CONFIG: return "CDMA_SET_BROADCAST_SMS_CONFIG";
1119         case RIL_REQUEST_CDMA_SMS_BROADCAST_ACTIVATION: return "CDMA_SMS_BROADCAST_ACTIVATION";
1120         case RIL_REQUEST_CDMA_SUBSCRIPTION: return "CDMA_SUBSCRIPTION";
1121         case RIL_REQUEST_CDMA_WRITE_SMS_TO_RUIM: return "CDMA_WRITE_SMS_TO_RUIM";
1122         case RIL_REQUEST_CDMA_DELETE_SMS_ON_RUIM: return "CDMA_DELETE_SMS_ON_RUIM";
1123         case RIL_REQUEST_DEVICE_IDENTITY: return "DEVICE_IDENTITY";
1124         case RIL_REQUEST_EXIT_EMERGENCY_CALLBACK_MODE: return "EXIT_EMERGENCY_CALLBACK_MODE";
1125         case RIL_REQUEST_GET_SMSC_ADDRESS: return "GET_SMSC_ADDRESS";
1126         case RIL_REQUEST_SET_SMSC_ADDRESS: return "SET_SMSC_ADDRESS";
1127         case RIL_REQUEST_REPORT_SMS_MEMORY_STATUS: return "REPORT_SMS_MEMORY_STATUS";
1128         case RIL_REQUEST_REPORT_STK_SERVICE_IS_RUNNING: return "REPORT_STK_SERVICE_IS_RUNNING";
1129         case RIL_REQUEST_CDMA_GET_SUBSCRIPTION_SOURCE: return "CDMA_GET_SUBSCRIPTION_SOURCE";
1130         case RIL_REQUEST_ISIM_AUTHENTICATION: return "ISIM_AUTHENTICATION";
1131         case RIL_REQUEST_ACKNOWLEDGE_INCOMING_GSM_SMS_WITH_PDU: return "ACKNOWLEDGE_INCOMING_GSM_SMS_WITH_PDU";
1132         case RIL_REQUEST_STK_SEND_ENVELOPE_WITH_STATUS: return "STK_SEND_ENVELOPE_WITH_STATUS";
1133         case RIL_REQUEST_VOICE_RADIO_TECH: return "VOICE_RADIO_TECH";
1134         case RIL_REQUEST_GET_CELL_INFO_LIST: return "GET_CELL_INFO_LIST";
1135         case RIL_REQUEST_SET_UNSOL_CELL_INFO_LIST_RATE: return "SET_UNSOL_CELL_INFO_LIST_RATE";
1136         case RIL_REQUEST_SET_INITIAL_ATTACH_APN: return "SET_INITIAL_ATTACH_APN";
1137         case RIL_REQUEST_IMS_REGISTRATION_STATE: return "IMS_REGISTRATION_STATE";
1138         case RIL_REQUEST_IMS_SEND_SMS: return "IMS_SEND_SMS";
1139         case RIL_REQUEST_SIM_TRANSMIT_APDU_BASIC: return "SIM_TRANSMIT_APDU_BASIC";
1140         case RIL_REQUEST_SIM_OPEN_CHANNEL: return "SIM_OPEN_CHANNEL";
1141         case RIL_REQUEST_SIM_CLOSE_CHANNEL: return "SIM_CLOSE_CHANNEL";
1142         case RIL_REQUEST_SIM_TRANSMIT_APDU_CHANNEL: return "SIM_TRANSMIT_APDU_CHANNEL";
1143         case RIL_REQUEST_NV_READ_ITEM: return "NV_READ_ITEM";
1144         case RIL_REQUEST_NV_WRITE_ITEM: return "NV_WRITE_ITEM";
1145         case RIL_REQUEST_NV_WRITE_CDMA_PRL: return "NV_WRITE_CDMA_PRL";
1146         case RIL_REQUEST_NV_RESET_CONFIG: return "NV_RESET_CONFIG";
1147         case RIL_REQUEST_SET_UICC_SUBSCRIPTION: return "SET_UICC_SUBSCRIPTION";
1148         case RIL_REQUEST_ALLOW_DATA: return "ALLOW_DATA";
1149         case RIL_REQUEST_GET_HARDWARE_CONFIG: return "GET_HARDWARE_CONFIG";
1150         case RIL_REQUEST_SIM_AUTHENTICATION: return "SIM_AUTHENTICATION";
1151         case RIL_REQUEST_GET_DC_RT_INFO: return "GET_DC_RT_INFO";
1152         case RIL_REQUEST_SET_DC_RT_INFO_RATE: return "SET_DC_RT_INFO_RATE";
1153         case RIL_REQUEST_SET_DATA_PROFILE: return "SET_DATA_PROFILE";
1154         case RIL_REQUEST_SHUTDOWN: return "SHUTDOWN";
1155         case RIL_REQUEST_GET_RADIO_CAPABILITY: return "GET_RADIO_CAPABILITY";
1156         case RIL_REQUEST_SET_RADIO_CAPABILITY: return "SET_RADIO_CAPABILITY";
1157         case RIL_REQUEST_START_LCE: return "START_LCE";
1158         case RIL_REQUEST_STOP_LCE: return "STOP_LCE";
1159         case RIL_REQUEST_PULL_LCEDATA: return "PULL_LCEDATA";
1160         case RIL_REQUEST_GET_ACTIVITY_INFO: return "GET_ACTIVITY_INFO";
1161         case RIL_REQUEST_SET_CARRIER_RESTRICTIONS: return "SET_CARRIER_RESTRICTIONS";
1162         case RIL_REQUEST_GET_CARRIER_RESTRICTIONS: return "GET_CARRIER_RESTRICTIONS";
1163         case RIL_REQUEST_SET_CARRIER_INFO_IMSI_ENCRYPTION: return "SET_CARRIER_INFO_IMSI_ENCRYPTION";
1164         case RIL_RESPONSE_ACKNOWLEDGEMENT: return "RESPONSE_ACKNOWLEDGEMENT";
1165         case RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED: return "UNSOL_RESPONSE_RADIO_STATE_CHANGED";
1166         case RIL_UNSOL_RESPONSE_CALL_STATE_CHANGED: return "UNSOL_RESPONSE_CALL_STATE_CHANGED";
1167         case RIL_UNSOL_RESPONSE_VOICE_NETWORK_STATE_CHANGED: return "UNSOL_RESPONSE_VOICE_NETWORK_STATE_CHANGED";
1168         case RIL_UNSOL_RESPONSE_NEW_SMS: return "UNSOL_RESPONSE_NEW_SMS";
1169         case RIL_UNSOL_RESPONSE_NEW_SMS_STATUS_REPORT: return "UNSOL_RESPONSE_NEW_SMS_STATUS_REPORT";
1170         case RIL_UNSOL_RESPONSE_NEW_SMS_ON_SIM: return "UNSOL_RESPONSE_NEW_SMS_ON_SIM";
1171         case RIL_UNSOL_ON_USSD: return "UNSOL_ON_USSD";
1172         case RIL_UNSOL_ON_USSD_REQUEST: return "UNSOL_ON_USSD_REQUEST";
1173         case RIL_UNSOL_NITZ_TIME_RECEIVED: return "UNSOL_NITZ_TIME_RECEIVED";
1174         case RIL_UNSOL_SIGNAL_STRENGTH: return "UNSOL_SIGNAL_STRENGTH";
1175         case RIL_UNSOL_DATA_CALL_LIST_CHANGED: return "UNSOL_DATA_CALL_LIST_CHANGED";
1176         case RIL_UNSOL_SUPP_SVC_NOTIFICATION: return "UNSOL_SUPP_SVC_NOTIFICATION";
1177         case RIL_UNSOL_STK_SESSION_END: return "UNSOL_STK_SESSION_END";
1178         case RIL_UNSOL_STK_PROACTIVE_COMMAND: return "UNSOL_STK_PROACTIVE_COMMAND";
1179         case RIL_UNSOL_STK_EVENT_NOTIFY: return "UNSOL_STK_EVENT_NOTIFY";
1180         case RIL_UNSOL_STK_CALL_SETUP: return "UNSOL_STK_CALL_SETUP";
1181         case RIL_UNSOL_SIM_SMS_STORAGE_FULL: return "UNSOL_SIM_SMS_STORAGE_FULL";
1182         case RIL_UNSOL_SIM_REFRESH: return "UNSOL_SIM_REFRESH";
1183         case RIL_UNSOL_CALL_RING: return "UNSOL_CALL_RING";
1184         case RIL_UNSOL_RESPONSE_SIM_STATUS_CHANGED: return "UNSOL_RESPONSE_SIM_STATUS_CHANGED";
1185         case RIL_UNSOL_RESPONSE_CDMA_NEW_SMS: return "UNSOL_RESPONSE_CDMA_NEW_SMS";
1186         case RIL_UNSOL_RESPONSE_NEW_BROADCAST_SMS: return "UNSOL_RESPONSE_NEW_BROADCAST_SMS";
1187         case RIL_UNSOL_CDMA_RUIM_SMS_STORAGE_FULL: return "UNSOL_CDMA_RUIM_SMS_STORAGE_FULL";
1188         case RIL_UNSOL_RESTRICTED_STATE_CHANGED: return "UNSOL_RESTRICTED_STATE_CHANGED";
1189         case RIL_UNSOL_ENTER_EMERGENCY_CALLBACK_MODE: return "UNSOL_ENTER_EMERGENCY_CALLBACK_MODE";
1190         case RIL_UNSOL_CDMA_CALL_WAITING: return "UNSOL_CDMA_CALL_WAITING";
1191         case RIL_UNSOL_CDMA_OTA_PROVISION_STATUS: return "UNSOL_CDMA_OTA_PROVISION_STATUS";
1192         case RIL_UNSOL_CDMA_INFO_REC: return "UNSOL_CDMA_INFO_REC";
1193         case RIL_UNSOL_OEM_HOOK_RAW: return "UNSOL_OEM_HOOK_RAW";
1194         case RIL_UNSOL_RINGBACK_TONE: return "UNSOL_RINGBACK_TONE";
1195         case RIL_UNSOL_RESEND_INCALL_MUTE: return "UNSOL_RESEND_INCALL_MUTE";
1196         case RIL_UNSOL_CDMA_SUBSCRIPTION_SOURCE_CHANGED: return "UNSOL_CDMA_SUBSCRIPTION_SOURCE_CHANGED";
1197         case RIL_UNSOL_CDMA_PRL_CHANGED: return "UNSOL_CDMA_PRL_CHANGED";
1198         case RIL_UNSOL_EXIT_EMERGENCY_CALLBACK_MODE: return "UNSOL_EXIT_EMERGENCY_CALLBACK_MODE";
1199         case RIL_UNSOL_RIL_CONNECTED: return "UNSOL_RIL_CONNECTED";
1200         case RIL_UNSOL_VOICE_RADIO_TECH_CHANGED: return "UNSOL_VOICE_RADIO_TECH_CHANGED";
1201         case RIL_UNSOL_CELL_INFO_LIST: return "UNSOL_CELL_INFO_LIST";
1202         case RIL_UNSOL_RESPONSE_IMS_NETWORK_STATE_CHANGED: return "UNSOL_RESPONSE_IMS_NETWORK_STATE_CHANGED";
1203         case RIL_UNSOL_UICC_SUBSCRIPTION_STATUS_CHANGED: return "UNSOL_UICC_SUBSCRIPTION_STATUS_CHANGED";
1204         case RIL_UNSOL_SRVCC_STATE_NOTIFY: return "UNSOL_SRVCC_STATE_NOTIFY";
1205         case RIL_UNSOL_HARDWARE_CONFIG_CHANGED: return "UNSOL_HARDWARE_CONFIG_CHANGED";
1206         case RIL_UNSOL_DC_RT_INFO_CHANGED: return "UNSOL_DC_RT_INFO_CHANGED";
1207         case RIL_UNSOL_RADIO_CAPABILITY: return "UNSOL_RADIO_CAPABILITY";
1208         case RIL_UNSOL_MODEM_RESTART: return "UNSOL_MODEM_RESTART";
1209         case RIL_UNSOL_CARRIER_INFO_IMSI_ENCRYPTION: return "UNSOL_CARRIER_INFO_IMSI_ENCRYPTION";
1210         case RIL_UNSOL_ON_SS: return "UNSOL_ON_SS";
1211         case RIL_UNSOL_STK_CC_ALPHA_NOTIFY: return "UNSOL_STK_CC_ALPHA_NOTIFY";
1212         case RIL_UNSOL_LCEDATA_RECV: return "UNSOL_LCEDATA_RECV";
1213         case RIL_UNSOL_PCO_DATA: return "UNSOL_PCO_DATA";
1214         default: return "<unknown request>";
1215     }
1216 }
1217 
1218 const char *
rilSocketIdToString(RIL_SOCKET_ID socket_id)1219 rilSocketIdToString(RIL_SOCKET_ID socket_id)
1220 {
1221     switch(socket_id) {
1222         case RIL_SOCKET_1:
1223             return "RIL_SOCKET_1";
1224 #if (SIM_COUNT >= 2)
1225         case RIL_SOCKET_2:
1226             return "RIL_SOCKET_2";
1227 #endif
1228 #if (SIM_COUNT >= 3)
1229         case RIL_SOCKET_3:
1230             return "RIL_SOCKET_3";
1231 #endif
1232 #if (SIM_COUNT >= 4)
1233         case RIL_SOCKET_4:
1234             return "RIL_SOCKET_4";
1235 #endif
1236         default:
1237             return "not a valid RIL";
1238     }
1239 }
1240 
1241 } /* namespace android */
1242