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1 /* //guest/hals/ril/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 <guest/hals/ril/libril/ril.h>
22 #include <telephony/ril_cdma_sms.h>
23 #include <cutils/sockets.h>
24 #include <cutils/jstring.h>
25 #include <telephony/record_stream.h>
26 #include <utils/Log.h>
27 #include <utils/SystemClock.h>
28 #include <pthread.h>
29 #include <cutils/jstring.h>
30 #include <sys/types.h>
31 #include <sys/limits.h>
32 #include <sys/system_properties.h>
33 #include <pwd.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <stdarg.h>
37 #include <string.h>
38 #include <unistd.h>
39 #include <fcntl.h>
40 #include <time.h>
41 #include <errno.h>
42 #include <assert.h>
43 #include <ctype.h>
44 #include <sys/un.h>
45 #include <assert.h>
46 #include <netinet/in.h>
47 #include <cutils/properties.h>
48 #include <RilSapSocket.h>
49 #include <guest/hals/ril/libril/ril_service.h>
50 #include <sap_service.h>
51 
52 extern "C" void
53 RIL_onRequestComplete(RIL_Token t, RIL_Errno e, void *response, size_t responselen);
54 
55 extern "C" void
56 RIL_onRequestAck(RIL_Token t);
57 namespace android {
58 
59 #define PHONE_PROCESS "radio"
60 #define BLUETOOTH_PROCESS "bluetooth"
61 
62 #define ANDROID_WAKE_LOCK_NAME "radio-interface"
63 
64 #define ANDROID_WAKE_LOCK_SECS 0
65 #define ANDROID_WAKE_LOCK_USECS 200000
66 
67 #define PROPERTY_RIL_IMPL "gsm.version.ril-impl"
68 
69 // match with constant in RIL.java
70 #define MAX_COMMAND_BYTES (8 * 1024)
71 
72 // Basically: memset buffers that the client library
73 // shouldn't be using anymore in an attempt to find
74 // memory usage issues sooner.
75 #define MEMSET_FREED 1
76 
77 #define NUM_ELEMS(a)     (sizeof (a) / sizeof (a)[0])
78 
79 /* Negative values for private RIL errno's */
80 #define RIL_ERRNO_INVALID_RESPONSE (-1)
81 #define RIL_ERRNO_NO_MEMORY (-12)
82 
83 // request, response, and unsolicited msg print macro
84 #define PRINTBUF_SIZE 8096
85 
86 enum WakeType {DONT_WAKE, WAKE_PARTIAL};
87 
88 typedef struct {
89     int requestNumber;
90     int (*responseFunction) (int slotId, int responseType, int token,
91             RIL_Errno e, void *response, size_t responselen);
92     WakeType wakeType;
93 } UnsolResponseInfo;
94 
95 typedef struct UserCallbackInfo {
96     RIL_TimedCallback p_callback;
97     void *userParam;
98     struct ril_event event;
99     struct UserCallbackInfo *p_next;
100 } UserCallbackInfo;
101 
102 extern "C" const char * failCauseToString(RIL_Errno);
103 extern "C" const char * callStateToString(RIL_CallState);
104 extern "C" const char * radioStateToString(RIL_RadioState);
105 extern "C" const char * rilSocketIdToString(RIL_SOCKET_ID socket_id);
106 
107 extern "C"
108 char ril_service_name_base[MAX_SERVICE_NAME_LENGTH] = RIL_SERVICE_NAME_BASE;
109 extern "C"
110 char ril_service_name[MAX_SERVICE_NAME_LENGTH] = RIL1_SERVICE_NAME;
111 /*******************************************************************/
112 
113 RIL_RadioFunctions s_callbacks = {0, NULL, NULL, NULL, NULL, NULL};
114 static int s_registerCalled = 0;
115 
116 static pthread_t s_tid_dispatch;
117 static int s_started = 0;
118 
119 static int s_fdWakeupRead;
120 static int s_fdWakeupWrite;
121 
122 int s_wakelock_count = 0;
123 
124 static struct ril_event s_wakeupfd_event;
125 
126 static pthread_mutex_t s_pendingRequestsMutex = PTHREAD_MUTEX_INITIALIZER;
127 static pthread_mutex_t s_wakeLockCountMutex = PTHREAD_MUTEX_INITIALIZER;
128 static RequestInfo *s_pendingRequests = NULL;
129 
130 #if (SIM_COUNT >= 2)
131 static pthread_mutex_t s_pendingRequestsMutex_socket2  = PTHREAD_MUTEX_INITIALIZER;
132 static RequestInfo *s_pendingRequests_socket2          = NULL;
133 #endif
134 
135 #if (SIM_COUNT >= 3)
136 static pthread_mutex_t s_pendingRequestsMutex_socket3  = PTHREAD_MUTEX_INITIALIZER;
137 static RequestInfo *s_pendingRequests_socket3          = NULL;
138 #endif
139 
140 #if (SIM_COUNT >= 4)
141 static pthread_mutex_t s_pendingRequestsMutex_socket4  = PTHREAD_MUTEX_INITIALIZER;
142 static RequestInfo *s_pendingRequests_socket4          = NULL;
143 #endif
144 
145 static const struct timeval TIMEVAL_WAKE_TIMEOUT = {ANDROID_WAKE_LOCK_SECS,ANDROID_WAKE_LOCK_USECS};
146 
147 
148 static pthread_mutex_t s_startupMutex = PTHREAD_MUTEX_INITIALIZER;
149 static pthread_cond_t s_startupCond = PTHREAD_COND_INITIALIZER;
150 
151 static UserCallbackInfo *s_last_wake_timeout_info = NULL;
152 
153 static void *s_lastNITZTimeData = NULL;
154 static size_t s_lastNITZTimeDataSize;
155 
156 #if RILC_LOG
157     static char printBuf[PRINTBUF_SIZE];
158 #endif
159 
160 /*******************************************************************/
161 static void grabPartialWakeLock();
162 void releaseWakeLock();
163 static void wakeTimeoutCallback(void *);
164 
165 #ifdef RIL_SHLIB
166 #if defined(ANDROID_MULTI_SIM)
167 extern "C" void RIL_onUnsolicitedResponse(int unsolResponse, const void *data,
168                                 size_t datalen, RIL_SOCKET_ID socket_id);
169 #else
170 extern "C" void RIL_onUnsolicitedResponse(int unsolResponse, const void *data,
171                                 size_t datalen);
172 #endif
173 #endif
174 
175 #if defined(ANDROID_MULTI_SIM)
176 #define RIL_UNSOL_RESPONSE(a, b, c, d) RIL_onUnsolicitedResponse((a), (b), (c), (d))
177 #else
178 #define RIL_UNSOL_RESPONSE(a, b, c, d) RIL_onUnsolicitedResponse((a), (b), (c))
179 #endif
180 
181 static UserCallbackInfo * internalRequestTimedCallback
182     (RIL_TimedCallback callback, void *param,
183         const struct timeval *relativeTime);
184 
185 /** Index == requestNumber */
186 static CommandInfo s_commands[] = {
187 #include "ril_commands.h"
188 };
189 
190 static UnsolResponseInfo s_unsolResponses[] = {
191 #include "ril_unsol_commands.h"
192 };
193 
RIL_getServiceName()194 char * RIL_getServiceName() {
195     return ril_service_name;
196 }
197 
198 RequestInfo *
addRequestToList(int serial,int slotId,int request)199 addRequestToList(int serial, int slotId, int request) {
200     RequestInfo *pRI;
201     int ret;
202     RIL_SOCKET_ID socket_id = (RIL_SOCKET_ID) slotId;
203     /* Hook for current context */
204     /* pendingRequestsMutextHook refer to &s_pendingRequestsMutex */
205     pthread_mutex_t* pendingRequestsMutexHook = &s_pendingRequestsMutex;
206     /* pendingRequestsHook refer to &s_pendingRequests */
207     RequestInfo**    pendingRequestsHook = &s_pendingRequests;
208 
209 #if (SIM_COUNT >= 2)
210     if (socket_id == RIL_SOCKET_2) {
211         pendingRequestsMutexHook = &s_pendingRequestsMutex_socket2;
212         pendingRequestsHook = &s_pendingRequests_socket2;
213     }
214 #if (SIM_COUNT >= 3)
215     else if (socket_id == RIL_SOCKET_3) {
216         pendingRequestsMutexHook = &s_pendingRequestsMutex_socket3;
217         pendingRequestsHook = &s_pendingRequests_socket3;
218     }
219 #endif
220 #if (SIM_COUNT >= 4)
221     else if (socket_id == RIL_SOCKET_4) {
222         pendingRequestsMutexHook = &s_pendingRequestsMutex_socket4;
223         pendingRequestsHook = &s_pendingRequests_socket4;
224     }
225 #endif
226 #endif
227 
228     pRI = (RequestInfo *)calloc(1, sizeof(RequestInfo));
229     if (pRI == NULL) {
230         RLOGE("Memory allocation failed for request %s", requestToString(request));
231         return NULL;
232     }
233 
234     pRI->token = serial;
235     pRI->pCI = &(s_commands[request]);
236     pRI->socket_id = socket_id;
237 
238     ret = pthread_mutex_lock(pendingRequestsMutexHook);
239     assert (ret == 0);
240 
241     pRI->p_next = *pendingRequestsHook;
242     *pendingRequestsHook = pRI;
243 
244     ret = pthread_mutex_unlock(pendingRequestsMutexHook);
245     assert (ret == 0);
246 
247     return pRI;
248 }
249 
triggerEvLoop()250 static void triggerEvLoop() {
251     int ret;
252     if (!pthread_equal(pthread_self(), s_tid_dispatch)) {
253         /* trigger event loop to wakeup. No reason to do this,
254          * if we're in the event loop thread */
255          do {
256             ret = write (s_fdWakeupWrite, " ", 1);
257          } while (ret < 0 && errno == EINTR);
258     }
259 }
260 
rilEventAddWakeup(struct ril_event * ev)261 static void rilEventAddWakeup(struct ril_event *ev) {
262     ril_event_add(ev);
263     triggerEvLoop();
264 }
265 
266 /**
267  * A write on the wakeup fd is done just to pop us out of select()
268  * We empty the buffer here and then ril_event will reset the timers on the
269  * way back down
270  */
processWakeupCallback(int fd,short flags,void * param)271 static void processWakeupCallback(int fd, short flags, void *param) {
272     char buff[16];
273     int ret;
274 
275     RLOGV("processWakeupCallback");
276 
277     /* empty our wakeup socket out */
278     do {
279         ret = read(s_fdWakeupRead, &buff, sizeof(buff));
280     } while (ret > 0 || (ret < 0 && errno == EINTR));
281 }
282 
resendLastNITZTimeData(RIL_SOCKET_ID socket_id)283 static void resendLastNITZTimeData(RIL_SOCKET_ID socket_id) {
284     if (s_lastNITZTimeData != NULL) {
285         int responseType = (s_callbacks.version >= 13)
286                            ? RESPONSE_UNSOLICITED_ACK_EXP
287                            : RESPONSE_UNSOLICITED;
288         // acquire read lock for the service before calling nitzTimeReceivedInd() since it reads
289         // nitzTimeReceived in ril_service
290         pthread_rwlock_t *radioServiceRwlockPtr = radio_1_4::getRadioServiceRwlock(
291                 (int) socket_id);
292         int rwlockRet = pthread_rwlock_rdlock(radioServiceRwlockPtr);
293         assert(rwlockRet == 0);
294 
295         int ret = radio_1_4::nitzTimeReceivedInd(
296             (int)socket_id, responseType, 0,
297             RIL_E_SUCCESS, s_lastNITZTimeData, s_lastNITZTimeDataSize);
298         if (ret == 0) {
299             free(s_lastNITZTimeData);
300             s_lastNITZTimeData = NULL;
301         }
302 
303         rwlockRet = pthread_rwlock_unlock(radioServiceRwlockPtr);
304         assert(rwlockRet == 0);
305     }
306 }
307 
onNewCommandConnect(RIL_SOCKET_ID socket_id)308 void onNewCommandConnect(RIL_SOCKET_ID socket_id) {
309     // Inform we are connected and the ril version
310     int rilVer = s_callbacks.version;
311     RIL_UNSOL_RESPONSE(RIL_UNSOL_RIL_CONNECTED,
312                                     &rilVer, sizeof(rilVer), socket_id);
313 
314     // implicit radio state changed
315     RIL_UNSOL_RESPONSE(RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED,
316                                     NULL, 0, socket_id);
317 
318     // Send last NITZ time data, in case it was missed
319     if (s_lastNITZTimeData != NULL) {
320         resendLastNITZTimeData(socket_id);
321     }
322 
323     // Get version string
324     if (s_callbacks.getVersion != NULL) {
325         const char *version;
326         version = s_callbacks.getVersion();
327         RLOGI("RIL Daemon version: %s\n", version);
328 
329         property_set(PROPERTY_RIL_IMPL, version);
330     } else {
331         RLOGI("RIL Daemon version: unavailable\n");
332         property_set(PROPERTY_RIL_IMPL, "unavailable");
333     }
334 
335 }
336 
userTimerCallback(int fd,short flags,void * param)337 static void userTimerCallback (int fd, short flags, void *param) {
338     UserCallbackInfo *p_info;
339 
340     p_info = (UserCallbackInfo *)param;
341 
342     p_info->p_callback(p_info->userParam);
343 
344 
345     // FIXME generalize this...there should be a cancel mechanism
346     if (s_last_wake_timeout_info != NULL && s_last_wake_timeout_info == p_info) {
347         s_last_wake_timeout_info = NULL;
348     }
349 
350     free(p_info);
351 }
352 
353 
354 static void *
eventLoop(void * param)355 eventLoop(void *param) {
356     int ret;
357     int filedes[2];
358 
359     ril_event_init();
360 
361     pthread_mutex_lock(&s_startupMutex);
362 
363     s_started = 1;
364     pthread_cond_broadcast(&s_startupCond);
365 
366     pthread_mutex_unlock(&s_startupMutex);
367 
368     ret = pipe(filedes);
369 
370     if (ret < 0) {
371         RLOGE("Error in pipe() errno:%d", errno);
372         return NULL;
373     }
374 
375     s_fdWakeupRead = filedes[0];
376     s_fdWakeupWrite = filedes[1];
377 
378     fcntl(s_fdWakeupRead, F_SETFL, O_NONBLOCK);
379 
380     ril_event_set (&s_wakeupfd_event, s_fdWakeupRead, true,
381                 processWakeupCallback, NULL);
382 
383     rilEventAddWakeup (&s_wakeupfd_event);
384 
385     // Only returns on error
386     ril_event_loop();
387     RLOGE ("error in event_loop_base errno:%d", errno);
388     // kill self to restart on error
389     kill(0, SIGKILL);
390 
391     return NULL;
392 }
393 
394 extern "C" void
RIL_startEventLoop(void)395 RIL_startEventLoop(void) {
396     /* spin up eventLoop thread and wait for it to get started */
397     s_started = 0;
398     pthread_mutex_lock(&s_startupMutex);
399 
400     pthread_attr_t attr;
401     pthread_attr_init(&attr);
402     pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
403 
404     int result = pthread_create(&s_tid_dispatch, &attr, eventLoop, NULL);
405     if (result != 0) {
406         RLOGE("Failed to create dispatch thread: %s", strerror(result));
407         goto done;
408     }
409 
410     while (s_started == 0) {
411         pthread_cond_wait(&s_startupCond, &s_startupMutex);
412     }
413 
414 done:
415     pthread_mutex_unlock(&s_startupMutex);
416 }
417 
418 // Used for testing purpose only.
RIL_setcallbacks(const RIL_RadioFunctions * callbacks)419 extern "C" void RIL_setcallbacks (const RIL_RadioFunctions *callbacks) {
420     memcpy(&s_callbacks, callbacks, sizeof (RIL_RadioFunctions));
421 }
422 
423 extern "C" void
RIL_register(const RIL_RadioFunctions * callbacks)424 RIL_register (const RIL_RadioFunctions *callbacks) {
425     RLOGI("SIM_COUNT: %d", SIM_COUNT);
426 
427     if (callbacks == NULL) {
428         RLOGE("RIL_register: RIL_RadioFunctions * null");
429         return;
430     }
431     if (callbacks->version < RIL_VERSION_MIN) {
432         RLOGE("RIL_register: version %d is to old, min version is %d",
433              callbacks->version, RIL_VERSION_MIN);
434         return;
435     }
436 
437     RLOGD("RIL_register: Vsoc RIL version %d", callbacks->version);
438 
439     if (s_registerCalled > 0) {
440         RLOGE("RIL_register has been called more than once. "
441                 "Subsequent call ignored");
442         return;
443     }
444 
445     memcpy(&s_callbacks, callbacks, sizeof (RIL_RadioFunctions));
446 
447     s_registerCalled = 1;
448 
449     RLOGI("s_registerCalled flag set, %d", s_started);
450     // Little self-check
451 
452     for (int i = 0; i < (int)NUM_ELEMS(s_commands); i++) {
453         assert(i == s_commands[i].requestNumber);
454     }
455 
456     for (int i = 0; i < (int)NUM_ELEMS(s_unsolResponses); i++) {
457         assert(i + RIL_UNSOL_RESPONSE_BASE
458                 == s_unsolResponses[i].requestNumber);
459     }
460 
461     radio_1_4::registerService(&s_callbacks, s_commands);
462     RLOGI("RILHIDL called registerService");
463 
464 }
465 
466 extern "C" void
RIL_register_socket(const RIL_RadioFunctions * (* Init)(const struct RIL_Env *,int,char **),RIL_SOCKET_TYPE socketType,int argc,char ** argv)467 RIL_register_socket (const RIL_RadioFunctions *(*Init)(const struct RIL_Env *, int, char **),
468         RIL_SOCKET_TYPE socketType, int argc, char **argv) {
469 
470     const RIL_RadioFunctions* UimFuncs = NULL;
471 
472     if(Init) {
473         UimFuncs = Init(&RilSapSocket::uimRilEnv, argc, argv);
474 
475         switch(socketType) {
476             case RIL_SAP_SOCKET:
477                 RilSapSocket::initSapSocket(RIL1_SERVICE_NAME, UimFuncs);
478 
479 #if (SIM_COUNT >= 2)
480                 RilSapSocket::initSapSocket(RIL2_SERVICE_NAME, UimFuncs);
481 #endif
482 
483 #if (SIM_COUNT >= 3)
484                 RilSapSocket::initSapSocket(RIL3_SERVICE_NAME, UimFuncs);
485 #endif
486 
487 #if (SIM_COUNT >= 4)
488                 RilSapSocket::initSapSocket(RIL4_SERVICE_NAME, UimFuncs);
489 #endif
490                 break;
491             default:;
492         }
493 
494         RLOGI("RIL_register_socket: calling registerService");
495         sap::registerService(UimFuncs);
496     }
497 }
498 
499 // Check and remove RequestInfo if its a response and not just ack sent back
500 static int
checkAndDequeueRequestInfoIfAck(struct RequestInfo * pRI,bool isAck)501 checkAndDequeueRequestInfoIfAck(struct RequestInfo *pRI, bool isAck) {
502     int ret = 0;
503     /* Hook for current context
504        pendingRequestsMutextHook refer to &s_pendingRequestsMutex */
505     pthread_mutex_t* pendingRequestsMutexHook = &s_pendingRequestsMutex;
506     /* pendingRequestsHook refer to &s_pendingRequests */
507     RequestInfo ** pendingRequestsHook = &s_pendingRequests;
508 
509     if (pRI == NULL) {
510         return 0;
511     }
512 
513 #if (SIM_COUNT >= 2)
514     if (pRI->socket_id == RIL_SOCKET_2) {
515         pendingRequestsMutexHook = &s_pendingRequestsMutex_socket2;
516         pendingRequestsHook = &s_pendingRequests_socket2;
517     }
518 #if (SIM_COUNT >= 3)
519         if (pRI->socket_id == RIL_SOCKET_3) {
520             pendingRequestsMutexHook = &s_pendingRequestsMutex_socket3;
521             pendingRequestsHook = &s_pendingRequests_socket3;
522         }
523 #endif
524 #if (SIM_COUNT >= 4)
525     if (pRI->socket_id == RIL_SOCKET_4) {
526         pendingRequestsMutexHook = &s_pendingRequestsMutex_socket4;
527         pendingRequestsHook = &s_pendingRequests_socket4;
528     }
529 #endif
530 #endif
531     pthread_mutex_lock(pendingRequestsMutexHook);
532 
533     for(RequestInfo **ppCur = pendingRequestsHook
534         ; *ppCur != NULL
535         ; ppCur = &((*ppCur)->p_next)
536     ) {
537         if (pRI == *ppCur) {
538             ret = 1;
539             if (isAck) { // Async ack
540                 if (pRI->wasAckSent == 1) {
541                     RLOGD("Ack was already sent for %s", requestToString(pRI->pCI->requestNumber));
542                 } else {
543                     pRI->wasAckSent = 1;
544                 }
545             } else {
546                 *ppCur = (*ppCur)->p_next;
547             }
548             break;
549         }
550     }
551 
552     pthread_mutex_unlock(pendingRequestsMutexHook);
553 
554     return ret;
555 }
556 
557 extern "C" void
RIL_onRequestAck(RIL_Token t)558 RIL_onRequestAck(RIL_Token t) {
559     RequestInfo *pRI;
560 
561     RIL_SOCKET_ID socket_id = RIL_SOCKET_1;
562 
563     pRI = (RequestInfo *)t;
564 
565     if (!checkAndDequeueRequestInfoIfAck(pRI, true)) {
566         RLOGE ("RIL_onRequestAck: invalid RIL_Token");
567         return;
568     }
569 
570     socket_id = pRI->socket_id;
571 
572 #if VDBG
573     RLOGD("Request Ack, %s", rilSocketIdToString(socket_id));
574 #endif
575 
576     appendPrintBuf("Ack [%04d]< %s", pRI->token, requestToString(pRI->pCI->requestNumber));
577 
578     if (pRI->cancelled == 0) {
579         pthread_rwlock_t *radioServiceRwlockPtr = radio_1_4::getRadioServiceRwlock(
580                 (int) socket_id);
581         int rwlockRet = pthread_rwlock_rdlock(radioServiceRwlockPtr);
582         assert(rwlockRet == 0);
583 
584         radio_1_4::acknowledgeRequest((int) socket_id, pRI->token);
585 
586         rwlockRet = pthread_rwlock_unlock(radioServiceRwlockPtr);
587         assert(rwlockRet == 0);
588     }
589 }
590 extern "C" void
RIL_onRequestComplete(RIL_Token t,RIL_Errno e,void * response,size_t responselen)591 RIL_onRequestComplete(RIL_Token t, RIL_Errno e, void *response, size_t responselen) {
592     RequestInfo *pRI;
593     int ret;
594     RIL_SOCKET_ID socket_id = RIL_SOCKET_1;
595 
596     pRI = (RequestInfo *)t;
597 
598     if (!checkAndDequeueRequestInfoIfAck(pRI, false)) {
599         RLOGE ("RIL_onRequestComplete: invalid RIL_Token");
600         return;
601     }
602 
603     socket_id = pRI->socket_id;
604 
605 #if VDBG
606     RLOGD("RequestComplete, %s", rilSocketIdToString(socket_id));
607 #endif
608 
609     if (pRI->local > 0) {
610         // Locally issued command...void only!
611         // response does not go back up the command socket
612         RLOGD("C[locl]< %s", requestToString(pRI->pCI->requestNumber));
613 
614         free(pRI);
615         return;
616     }
617 
618     appendPrintBuf("[%04d]< %s",
619         pRI->token, requestToString(pRI->pCI->requestNumber));
620 
621     if (pRI->cancelled == 0) {
622         int responseType;
623         if (s_callbacks.version >= 13 && pRI->wasAckSent == 1) {
624             // If ack was already sent, then this call is an asynchronous response. So we need to
625             // send id indicating that we expect an ack from RIL.java as we acquire wakelock here.
626             responseType = RESPONSE_SOLICITED_ACK_EXP;
627             grabPartialWakeLock();
628         } else {
629             responseType = RESPONSE_SOLICITED;
630         }
631 
632         // there is a response payload, no matter success or not.
633 #if VDBG
634         RLOGE ("Calling responseFunction() for token %d", pRI->token);
635 #endif
636 
637         pthread_rwlock_t *radioServiceRwlockPtr = radio_1_4::getRadioServiceRwlock((int) socket_id);
638         int rwlockRet = pthread_rwlock_rdlock(radioServiceRwlockPtr);
639         assert(rwlockRet == 0);
640 
641         ret = pRI->pCI->responseFunction((int) socket_id,
642                 responseType, pRI->token, e, response, responselen);
643 
644         rwlockRet = pthread_rwlock_unlock(radioServiceRwlockPtr);
645         assert(rwlockRet == 0);
646     }
647     free(pRI);
648 }
649 
650 static void
grabPartialWakeLock()651 grabPartialWakeLock() {
652     if (s_callbacks.version >= 13) {
653         int ret;
654         ret = pthread_mutex_lock(&s_wakeLockCountMutex);
655         assert(ret == 0);
656         acquire_wake_lock(PARTIAL_WAKE_LOCK, ANDROID_WAKE_LOCK_NAME);
657 
658         UserCallbackInfo *p_info =
659                 internalRequestTimedCallback(wakeTimeoutCallback, NULL, &TIMEVAL_WAKE_TIMEOUT);
660         if (p_info == NULL) {
661             release_wake_lock(ANDROID_WAKE_LOCK_NAME);
662         } else {
663             s_wakelock_count++;
664             if (s_last_wake_timeout_info != NULL) {
665                 s_last_wake_timeout_info->userParam = (void *)1;
666             }
667             s_last_wake_timeout_info = p_info;
668         }
669         ret = pthread_mutex_unlock(&s_wakeLockCountMutex);
670         assert(ret == 0);
671     } else {
672         acquire_wake_lock(PARTIAL_WAKE_LOCK, ANDROID_WAKE_LOCK_NAME);
673     }
674 }
675 
676 void
releaseWakeLock()677 releaseWakeLock() {
678     if (s_callbacks.version >= 13) {
679         int ret;
680         ret = pthread_mutex_lock(&s_wakeLockCountMutex);
681         assert(ret == 0);
682 
683         if (s_wakelock_count > 1) {
684             s_wakelock_count--;
685         } else {
686             s_wakelock_count = 0;
687             release_wake_lock(ANDROID_WAKE_LOCK_NAME);
688             if (s_last_wake_timeout_info != NULL) {
689                 s_last_wake_timeout_info->userParam = (void *)1;
690             }
691         }
692 
693         ret = pthread_mutex_unlock(&s_wakeLockCountMutex);
694         assert(ret == 0);
695     } else {
696         release_wake_lock(ANDROID_WAKE_LOCK_NAME);
697     }
698 }
699 
700 /**
701  * Timer callback to put us back to sleep before the default timeout
702  */
703 static void
wakeTimeoutCallback(void * param)704 wakeTimeoutCallback (void *param) {
705     // We're using "param != NULL" as a cancellation mechanism
706     if (s_callbacks.version >= 13) {
707         if (param == NULL) {
708             int ret;
709             ret = pthread_mutex_lock(&s_wakeLockCountMutex);
710             assert(ret == 0);
711             s_wakelock_count = 0;
712             release_wake_lock(ANDROID_WAKE_LOCK_NAME);
713             ret = pthread_mutex_unlock(&s_wakeLockCountMutex);
714             assert(ret == 0);
715         }
716     } else {
717         if (param == NULL) {
718             releaseWakeLock();
719         }
720     }
721 }
722 
723 #if defined(ANDROID_MULTI_SIM)
724 extern "C"
RIL_onUnsolicitedResponse(int unsolResponse,const void * data,size_t datalen,RIL_SOCKET_ID socket_id)725 void RIL_onUnsolicitedResponse(int unsolResponse, const void *data,
726                                 size_t datalen, RIL_SOCKET_ID socket_id)
727 #else
728 extern "C"
729 void RIL_onUnsolicitedResponse(int unsolResponse, const void *data,
730                                 size_t datalen)
731 #endif
732 {
733     int unsolResponseIndex;
734     int ret;
735     bool shouldScheduleTimeout = false;
736     RIL_SOCKET_ID soc_id = RIL_SOCKET_1;
737 
738 #if defined(ANDROID_MULTI_SIM)
739     soc_id = socket_id;
740 #endif
741 
742 
743     if (s_registerCalled == 0) {
744         // Ignore RIL_onUnsolicitedResponse before RIL_register
745         RLOGW("RIL_onUnsolicitedResponse called before RIL_register");
746         return;
747     }
748 
749     unsolResponseIndex = unsolResponse - RIL_UNSOL_RESPONSE_BASE;
750 
751     if ((unsolResponseIndex < 0)
752         || (unsolResponseIndex >= (int32_t)NUM_ELEMS(s_unsolResponses))) {
753         RLOGE("unsupported unsolicited response code %d", unsolResponse);
754         return;
755     }
756 
757     // Grab a wake lock if needed for this reponse,
758     // as we exit we'll either release it immediately
759     // or set a timer to release it later.
760     switch (s_unsolResponses[unsolResponseIndex].wakeType) {
761         case WAKE_PARTIAL:
762             grabPartialWakeLock();
763             shouldScheduleTimeout = true;
764         break;
765 
766         case DONT_WAKE:
767         default:
768             // No wake lock is grabed so don't set timeout
769             shouldScheduleTimeout = false;
770             break;
771     }
772 
773     appendPrintBuf("[UNSL]< %s", requestToString(unsolResponse));
774 
775     int responseType;
776     if (s_callbacks.version >= 13
777                 && s_unsolResponses[unsolResponseIndex].wakeType == WAKE_PARTIAL) {
778         responseType = RESPONSE_UNSOLICITED_ACK_EXP;
779     } else {
780         responseType = RESPONSE_UNSOLICITED;
781     }
782 
783     pthread_rwlock_t *radioServiceRwlockPtr = radio_1_4::getRadioServiceRwlock((int) soc_id);
784     int rwlockRet;
785 
786     if (unsolResponse == RIL_UNSOL_NITZ_TIME_RECEIVED) {
787         // get a write lock in caes of NITZ since setNitzTimeReceived() is called
788         rwlockRet = pthread_rwlock_wrlock(radioServiceRwlockPtr);
789         assert(rwlockRet == 0);
790         radio_1_4::setNitzTimeReceived((int) soc_id, android::elapsedRealtime());
791     } else {
792         rwlockRet = pthread_rwlock_rdlock(radioServiceRwlockPtr);
793         assert(rwlockRet == 0);
794     }
795 
796     if (s_unsolResponses[unsolResponseIndex].responseFunction) {
797         RLOGD("calling UNSOLICITED responseFunction for index %d", unsolResponseIndex);
798         ret = s_unsolResponses[unsolResponseIndex].responseFunction(
799                 (int) soc_id, responseType, 0, RIL_E_SUCCESS, const_cast<void*>(data),
800                 datalen);
801     } else {
802         RLOGW("No call responseFunction defined for UNSOLICITED");
803     }
804 
805     rwlockRet = pthread_rwlock_unlock(radioServiceRwlockPtr);
806     assert(rwlockRet == 0);
807 
808     if (s_callbacks.version < 13) {
809         if (shouldScheduleTimeout) {
810             UserCallbackInfo *p_info = internalRequestTimedCallback(wakeTimeoutCallback, NULL,
811                     &TIMEVAL_WAKE_TIMEOUT);
812 
813             if (p_info == NULL) {
814                 goto error_exit;
815             } else {
816                 // Cancel the previous request
817                 if (s_last_wake_timeout_info != NULL) {
818                     s_last_wake_timeout_info->userParam = (void *)1;
819                 }
820                 s_last_wake_timeout_info = p_info;
821             }
822         }
823     }
824 
825 #if VDBG
826     RLOGI("%s UNSOLICITED: %s length:%zu", rilSocketIdToString(soc_id),
827             requestToString(unsolResponse), datalen);
828 #endif
829 
830     if (ret != 0 && unsolResponse == RIL_UNSOL_NITZ_TIME_RECEIVED) {
831         // Unfortunately, NITZ time is not poll/update like everything
832         // else in the system. So, if the upstream client isn't connected,
833         // keep a copy of the last NITZ response (with receive time noted
834         // above) around so we can deliver it when it is connected
835 
836         if (s_lastNITZTimeData != NULL) {
837             free(s_lastNITZTimeData);
838             s_lastNITZTimeData = NULL;
839         }
840 
841         s_lastNITZTimeData = calloc(datalen, 1);
842         if (s_lastNITZTimeData == NULL) {
843             RLOGE("Memory allocation failed in RIL_onUnsolicitedResponse");
844             goto error_exit;
845         }
846         s_lastNITZTimeDataSize = datalen;
847         memcpy(s_lastNITZTimeData, data, datalen);
848     }
849 
850     // Normal exit
851     return;
852 
853 error_exit:
854     if (shouldScheduleTimeout) {
855         releaseWakeLock();
856     }
857 }
858 
859 /** FIXME generalize this if you track UserCAllbackInfo, clear it
860     when the callback occurs
861 */
862 static UserCallbackInfo *
internalRequestTimedCallback(RIL_TimedCallback callback,void * param,const struct timeval * relativeTime)863 internalRequestTimedCallback (RIL_TimedCallback callback, void *param,
864                                 const struct timeval *relativeTime)
865 {
866     struct timeval myRelativeTime;
867     UserCallbackInfo *p_info;
868 
869     p_info = (UserCallbackInfo *) calloc(1, sizeof(UserCallbackInfo));
870     if (p_info == NULL) {
871         RLOGE("Memory allocation failed in internalRequestTimedCallback");
872         return p_info;
873 
874     }
875 
876     p_info->p_callback = callback;
877     p_info->userParam = param;
878 
879     if (relativeTime == NULL) {
880         /* treat null parameter as a 0 relative time */
881         memset (&myRelativeTime, 0, sizeof(myRelativeTime));
882     } else {
883         /* FIXME I think event_add's tv param is really const anyway */
884         memcpy (&myRelativeTime, relativeTime, sizeof(myRelativeTime));
885     }
886 
887     ril_event_set(&(p_info->event), -1, false, userTimerCallback, p_info);
888 
889     ril_timer_add(&(p_info->event), &myRelativeTime);
890 
891     triggerEvLoop();
892     return p_info;
893 }
894 
895 
896 extern "C" void
RIL_requestTimedCallback(RIL_TimedCallback callback,void * param,const struct timeval * relativeTime)897 RIL_requestTimedCallback (RIL_TimedCallback callback, void *param,
898                                 const struct timeval *relativeTime) {
899     internalRequestTimedCallback (callback, param, relativeTime);
900 }
901 
902 const char *
failCauseToString(RIL_Errno e)903 failCauseToString(RIL_Errno e) {
904     switch(e) {
905         case RIL_E_SUCCESS: return "E_SUCCESS";
906         case RIL_E_RADIO_NOT_AVAILABLE: return "E_RADIO_NOT_AVAILABLE";
907         case RIL_E_GENERIC_FAILURE: return "E_GENERIC_FAILURE";
908         case RIL_E_PASSWORD_INCORRECT: return "E_PASSWORD_INCORRECT";
909         case RIL_E_SIM_PIN2: return "E_SIM_PIN2";
910         case RIL_E_SIM_PUK2: return "E_SIM_PUK2";
911         case RIL_E_REQUEST_NOT_SUPPORTED: return "E_REQUEST_NOT_SUPPORTED";
912         case RIL_E_CANCELLED: return "E_CANCELLED";
913         case RIL_E_OP_NOT_ALLOWED_DURING_VOICE_CALL: return "E_OP_NOT_ALLOWED_DURING_VOICE_CALL";
914         case RIL_E_OP_NOT_ALLOWED_BEFORE_REG_TO_NW: return "E_OP_NOT_ALLOWED_BEFORE_REG_TO_NW";
915         case RIL_E_SMS_SEND_FAIL_RETRY: return "E_SMS_SEND_FAIL_RETRY";
916         case RIL_E_SIM_ABSENT:return "E_SIM_ABSENT";
917         case RIL_E_ILLEGAL_SIM_OR_ME:return "E_ILLEGAL_SIM_OR_ME";
918 #ifdef FEATURE_MULTIMODE_ANDROID
919         case RIL_E_SUBSCRIPTION_NOT_AVAILABLE:return "E_SUBSCRIPTION_NOT_AVAILABLE";
920         case RIL_E_MODE_NOT_SUPPORTED:return "E_MODE_NOT_SUPPORTED";
921 #endif
922         case RIL_E_FDN_CHECK_FAILURE: return "E_FDN_CHECK_FAILURE";
923         case RIL_E_MISSING_RESOURCE: return "E_MISSING_RESOURCE";
924         case RIL_E_NO_SUCH_ELEMENT: return "E_NO_SUCH_ELEMENT";
925         case RIL_E_DIAL_MODIFIED_TO_USSD: return "E_DIAL_MODIFIED_TO_USSD";
926         case RIL_E_DIAL_MODIFIED_TO_SS: return "E_DIAL_MODIFIED_TO_SS";
927         case RIL_E_DIAL_MODIFIED_TO_DIAL: return "E_DIAL_MODIFIED_TO_DIAL";
928         case RIL_E_USSD_MODIFIED_TO_DIAL: return "E_USSD_MODIFIED_TO_DIAL";
929         case RIL_E_USSD_MODIFIED_TO_SS: return "E_USSD_MODIFIED_TO_SS";
930         case RIL_E_USSD_MODIFIED_TO_USSD: return "E_USSD_MODIFIED_TO_USSD";
931         case RIL_E_SS_MODIFIED_TO_DIAL: return "E_SS_MODIFIED_TO_DIAL";
932         case RIL_E_SS_MODIFIED_TO_USSD: return "E_SS_MODIFIED_TO_USSD";
933         case RIL_E_SUBSCRIPTION_NOT_SUPPORTED: return "E_SUBSCRIPTION_NOT_SUPPORTED";
934         case RIL_E_SS_MODIFIED_TO_SS: return "E_SS_MODIFIED_TO_SS";
935         case RIL_E_LCE_NOT_SUPPORTED: return "E_LCE_NOT_SUPPORTED";
936         case RIL_E_NO_MEMORY: return "E_NO_MEMORY";
937         case RIL_E_INTERNAL_ERR: return "E_INTERNAL_ERR";
938         case RIL_E_SYSTEM_ERR: return "E_SYSTEM_ERR";
939         case RIL_E_MODEM_ERR: return "E_MODEM_ERR";
940         case RIL_E_INVALID_STATE: return "E_INVALID_STATE";
941         case RIL_E_NO_RESOURCES: return "E_NO_RESOURCES";
942         case RIL_E_SIM_ERR: return "E_SIM_ERR";
943         case RIL_E_INVALID_ARGUMENTS: return "E_INVALID_ARGUMENTS";
944         case RIL_E_INVALID_SIM_STATE: return "E_INVALID_SIM_STATE";
945         case RIL_E_INVALID_MODEM_STATE: return "E_INVALID_MODEM_STATE";
946         case RIL_E_INVALID_CALL_ID: return "E_INVALID_CALL_ID";
947         case RIL_E_NO_SMS_TO_ACK: return "E_NO_SMS_TO_ACK";
948         case RIL_E_NETWORK_ERR: return "E_NETWORK_ERR";
949         case RIL_E_REQUEST_RATE_LIMITED: return "E_REQUEST_RATE_LIMITED";
950         case RIL_E_SIM_BUSY: return "E_SIM_BUSY";
951         case RIL_E_SIM_FULL: return "E_SIM_FULL";
952         case RIL_E_NETWORK_REJECT: return "E_NETWORK_REJECT";
953         case RIL_E_OPERATION_NOT_ALLOWED: return "E_OPERATION_NOT_ALLOWED";
954         case RIL_E_EMPTY_RECORD: return "E_EMPTY_RECORD";
955         case RIL_E_INVALID_SMS_FORMAT: return "E_INVALID_SMS_FORMAT";
956         case RIL_E_ENCODING_ERR: return "E_ENCODING_ERR";
957         case RIL_E_INVALID_SMSC_ADDRESS: return "E_INVALID_SMSC_ADDRESS";
958         case RIL_E_NO_SUCH_ENTRY: return "E_NO_SUCH_ENTRY";
959         case RIL_E_NETWORK_NOT_READY: return "E_NETWORK_NOT_READY";
960         case RIL_E_NOT_PROVISIONED: return "E_NOT_PROVISIONED";
961         case RIL_E_NO_SUBSCRIPTION: return "E_NO_SUBSCRIPTION";
962         case RIL_E_NO_NETWORK_FOUND: return "E_NO_NETWORK_FOUND";
963         case RIL_E_DEVICE_IN_USE: return "E_DEVICE_IN_USE";
964         case RIL_E_ABORTED: return "E_ABORTED";
965         case RIL_E_INVALID_RESPONSE: return "INVALID_RESPONSE";
966         case RIL_E_OEM_ERROR_1: return "E_OEM_ERROR_1";
967         case RIL_E_OEM_ERROR_2: return "E_OEM_ERROR_2";
968         case RIL_E_OEM_ERROR_3: return "E_OEM_ERROR_3";
969         case RIL_E_OEM_ERROR_4: return "E_OEM_ERROR_4";
970         case RIL_E_OEM_ERROR_5: return "E_OEM_ERROR_5";
971         case RIL_E_OEM_ERROR_6: return "E_OEM_ERROR_6";
972         case RIL_E_OEM_ERROR_7: return "E_OEM_ERROR_7";
973         case RIL_E_OEM_ERROR_8: return "E_OEM_ERROR_8";
974         case RIL_E_OEM_ERROR_9: return "E_OEM_ERROR_9";
975         case RIL_E_OEM_ERROR_10: return "E_OEM_ERROR_10";
976         case RIL_E_OEM_ERROR_11: return "E_OEM_ERROR_11";
977         case RIL_E_OEM_ERROR_12: return "E_OEM_ERROR_12";
978         case RIL_E_OEM_ERROR_13: return "E_OEM_ERROR_13";
979         case RIL_E_OEM_ERROR_14: return "E_OEM_ERROR_14";
980         case RIL_E_OEM_ERROR_15: return "E_OEM_ERROR_15";
981         case RIL_E_OEM_ERROR_16: return "E_OEM_ERROR_16";
982         case RIL_E_OEM_ERROR_17: return "E_OEM_ERROR_17";
983         case RIL_E_OEM_ERROR_18: return "E_OEM_ERROR_18";
984         case RIL_E_OEM_ERROR_19: return "E_OEM_ERROR_19";
985         case RIL_E_OEM_ERROR_20: return "E_OEM_ERROR_20";
986         case RIL_E_OEM_ERROR_21: return "E_OEM_ERROR_21";
987         case RIL_E_OEM_ERROR_22: return "E_OEM_ERROR_22";
988         case RIL_E_OEM_ERROR_23: return "E_OEM_ERROR_23";
989         case RIL_E_OEM_ERROR_24: return "E_OEM_ERROR_24";
990         case RIL_E_OEM_ERROR_25: return "E_OEM_ERROR_25";
991         default: return "<unknown error>";
992     }
993 }
994 
995 const char *
radioStateToString(RIL_RadioState s)996 radioStateToString(RIL_RadioState s) {
997     switch(s) {
998         case RADIO_STATE_OFF: return "RADIO_OFF";
999         case RADIO_STATE_UNAVAILABLE: return "RADIO_UNAVAILABLE";
1000         case RADIO_STATE_ON:return"RADIO_ON";
1001         default: return "<unknown state>";
1002     }
1003 }
1004 
1005 const char *
callStateToString(RIL_CallState s)1006 callStateToString(RIL_CallState s) {
1007     switch(s) {
1008         case RIL_CALL_ACTIVE : return "ACTIVE";
1009         case RIL_CALL_HOLDING: return "HOLDING";
1010         case RIL_CALL_DIALING: return "DIALING";
1011         case RIL_CALL_ALERTING: return "ALERTING";
1012         case RIL_CALL_INCOMING: return "INCOMING";
1013         case RIL_CALL_WAITING: return "WAITING";
1014         default: return "<unknown state>";
1015     }
1016 }
1017 
1018 const char *
requestToString(int request)1019 requestToString(int request) {
1020 /*
1021  cat guest/hals/ril/libril/ril_commands.h \
1022  | egrep "^ *{RIL_" \
1023  | sed -re 's/\{RIL_([^,]+),[^,]+,([^}]+).+/case RIL_\1: return "\1";/'
1024 
1025 
1026  cat guest/hals/ril/libril/ril_unsol_commands.h \
1027  | egrep "^ *{RIL_" \
1028  | sed -re 's/\{RIL_([^,]+),([^}]+).+/case RIL_\1: return "\1";/'
1029 
1030 */
1031     switch(request) {
1032         case RIL_REQUEST_GET_SIM_STATUS: return "GET_SIM_STATUS";
1033         case RIL_REQUEST_ENTER_SIM_PIN: return "ENTER_SIM_PIN";
1034         case RIL_REQUEST_ENTER_SIM_PUK: return "ENTER_SIM_PUK";
1035         case RIL_REQUEST_ENTER_SIM_PIN2: return "ENTER_SIM_PIN2";
1036         case RIL_REQUEST_ENTER_SIM_PUK2: return "ENTER_SIM_PUK2";
1037         case RIL_REQUEST_CHANGE_SIM_PIN: return "CHANGE_SIM_PIN";
1038         case RIL_REQUEST_CHANGE_SIM_PIN2: return "CHANGE_SIM_PIN2";
1039         case RIL_REQUEST_ENTER_NETWORK_DEPERSONALIZATION: return "ENTER_NETWORK_DEPERSONALIZATION";
1040         case RIL_REQUEST_GET_CURRENT_CALLS: return "GET_CURRENT_CALLS";
1041         case RIL_REQUEST_DIAL: return "DIAL";
1042         case RIL_REQUEST_GET_IMSI: return "GET_IMSI";
1043         case RIL_REQUEST_HANGUP: return "HANGUP";
1044         case RIL_REQUEST_HANGUP_WAITING_OR_BACKGROUND: return "HANGUP_WAITING_OR_BACKGROUND";
1045         case RIL_REQUEST_HANGUP_FOREGROUND_RESUME_BACKGROUND: return "HANGUP_FOREGROUND_RESUME_BACKGROUND";
1046         case RIL_REQUEST_SWITCH_WAITING_OR_HOLDING_AND_ACTIVE: return "SWITCH_WAITING_OR_HOLDING_AND_ACTIVE";
1047         case RIL_REQUEST_CONFERENCE: return "CONFERENCE";
1048         case RIL_REQUEST_UDUB: return "UDUB";
1049         case RIL_REQUEST_LAST_CALL_FAIL_CAUSE: return "LAST_CALL_FAIL_CAUSE";
1050         case RIL_REQUEST_SIGNAL_STRENGTH: return "SIGNAL_STRENGTH";
1051         case RIL_REQUEST_VOICE_REGISTRATION_STATE: return "VOICE_REGISTRATION_STATE";
1052         case RIL_REQUEST_DATA_REGISTRATION_STATE: return "DATA_REGISTRATION_STATE";
1053         case RIL_REQUEST_OPERATOR: return "OPERATOR";
1054         case RIL_REQUEST_RADIO_POWER: return "RADIO_POWER";
1055         case RIL_REQUEST_DTMF: return "DTMF";
1056         case RIL_REQUEST_SEND_SMS: return "SEND_SMS";
1057         case RIL_REQUEST_SEND_SMS_EXPECT_MORE: return "SEND_SMS_EXPECT_MORE";
1058         case RIL_REQUEST_SETUP_DATA_CALL: return "SETUP_DATA_CALL";
1059         case RIL_REQUEST_SIM_IO: return "SIM_IO";
1060         case RIL_REQUEST_SEND_USSD: return "SEND_USSD";
1061         case RIL_REQUEST_CANCEL_USSD: return "CANCEL_USSD";
1062         case RIL_REQUEST_GET_CLIR: return "GET_CLIR";
1063         case RIL_REQUEST_SET_CLIR: return "SET_CLIR";
1064         case RIL_REQUEST_QUERY_CALL_FORWARD_STATUS: return "QUERY_CALL_FORWARD_STATUS";
1065         case RIL_REQUEST_SET_CALL_FORWARD: return "SET_CALL_FORWARD";
1066         case RIL_REQUEST_QUERY_CALL_WAITING: return "QUERY_CALL_WAITING";
1067         case RIL_REQUEST_SET_CALL_WAITING: return "SET_CALL_WAITING";
1068         case RIL_REQUEST_SMS_ACKNOWLEDGE: return "SMS_ACKNOWLEDGE";
1069         case RIL_REQUEST_GET_IMEI: return "GET_IMEI";
1070         case RIL_REQUEST_GET_IMEISV: return "GET_IMEISV";
1071         case RIL_REQUEST_ANSWER: return "ANSWER";
1072         case RIL_REQUEST_DEACTIVATE_DATA_CALL: return "DEACTIVATE_DATA_CALL";
1073         case RIL_REQUEST_QUERY_FACILITY_LOCK: return "QUERY_FACILITY_LOCK";
1074         case RIL_REQUEST_SET_FACILITY_LOCK: return "SET_FACILITY_LOCK";
1075         case RIL_REQUEST_CHANGE_BARRING_PASSWORD: return "CHANGE_BARRING_PASSWORD";
1076         case RIL_REQUEST_QUERY_NETWORK_SELECTION_MODE: return "QUERY_NETWORK_SELECTION_MODE";
1077         case RIL_REQUEST_START_NETWORK_SCAN: return "RIL_REQUEST_START_NETWORK_SCAN";
1078         case RIL_REQUEST_START_NETWORK_SCAN4: return "RIL_REQUEST_START_NETWORK_SCAN4";
1079         case RIL_REQUEST_SET_NETWORK_SELECTION_AUTOMATIC: return "SET_NETWORK_SELECTION_AUTOMATIC";
1080         case RIL_REQUEST_SET_NETWORK_SELECTION_MANUAL: return "SET_NETWORK_SELECTION_MANUAL";
1081         case RIL_REQUEST_QUERY_AVAILABLE_NETWORKS: return "QUERY_AVAILABLE_NETWORKS";
1082         case RIL_REQUEST_DTMF_START: return "DTMF_START";
1083         case RIL_REQUEST_DTMF_STOP: return "DTMF_STOP";
1084         case RIL_REQUEST_BASEBAND_VERSION: return "BASEBAND_VERSION";
1085         case RIL_REQUEST_SEPARATE_CONNECTION: return "SEPARATE_CONNECTION";
1086         case RIL_REQUEST_SET_MUTE: return "SET_MUTE";
1087         case RIL_REQUEST_GET_MUTE: return "GET_MUTE";
1088         case RIL_REQUEST_QUERY_CLIP: return "QUERY_CLIP";
1089         case RIL_REQUEST_LAST_DATA_CALL_FAIL_CAUSE: return "LAST_DATA_CALL_FAIL_CAUSE";
1090         case RIL_REQUEST_DATA_CALL_LIST: return "DATA_CALL_LIST";
1091         case RIL_REQUEST_RESET_RADIO: return "RESET_RADIO";
1092         case RIL_REQUEST_OEM_HOOK_RAW: return "OEM_HOOK_RAW";
1093         case RIL_REQUEST_OEM_HOOK_STRINGS: return "OEM_HOOK_STRINGS";
1094         case RIL_REQUEST_SCREEN_STATE: return "SCREEN_STATE";
1095         case RIL_REQUEST_SET_SUPP_SVC_NOTIFICATION: return "SET_SUPP_SVC_NOTIFICATION";
1096         case RIL_REQUEST_WRITE_SMS_TO_SIM: return "WRITE_SMS_TO_SIM";
1097         case RIL_REQUEST_DELETE_SMS_ON_SIM: return "DELETE_SMS_ON_SIM";
1098         case RIL_REQUEST_SET_BAND_MODE: return "SET_BAND_MODE";
1099         case RIL_REQUEST_QUERY_AVAILABLE_BAND_MODE: return "QUERY_AVAILABLE_BAND_MODE";
1100         case RIL_REQUEST_STK_GET_PROFILE: return "STK_GET_PROFILE";
1101         case RIL_REQUEST_STK_SET_PROFILE: return "STK_SET_PROFILE";
1102         case RIL_REQUEST_STK_SEND_ENVELOPE_COMMAND: return "STK_SEND_ENVELOPE_COMMAND";
1103         case RIL_REQUEST_STK_SEND_TERMINAL_RESPONSE: return "STK_SEND_TERMINAL_RESPONSE";
1104         case RIL_REQUEST_STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM: return "STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM";
1105         case RIL_REQUEST_EXPLICIT_CALL_TRANSFER: return "EXPLICIT_CALL_TRANSFER";
1106         case RIL_REQUEST_SET_PREFERRED_NETWORK_TYPE: return "SET_PREFERRED_NETWORK_TYPE";
1107         case RIL_REQUEST_GET_PREFERRED_NETWORK_TYPE: return "GET_PREFERRED_NETWORK_TYPE";
1108         case RIL_REQUEST_GET_NEIGHBORING_CELL_IDS: return "GET_NEIGHBORING_CELL_IDS";
1109         case RIL_REQUEST_SET_LOCATION_UPDATES: return "SET_LOCATION_UPDATES";
1110         case RIL_REQUEST_CDMA_SET_SUBSCRIPTION_SOURCE: return "CDMA_SET_SUBSCRIPTION_SOURCE";
1111         case RIL_REQUEST_CDMA_SET_ROAMING_PREFERENCE: return "CDMA_SET_ROAMING_PREFERENCE";
1112         case RIL_REQUEST_CDMA_QUERY_ROAMING_PREFERENCE: return "CDMA_QUERY_ROAMING_PREFERENCE";
1113         case RIL_REQUEST_SET_TTY_MODE: return "SET_TTY_MODE";
1114         case RIL_REQUEST_QUERY_TTY_MODE: return "QUERY_TTY_MODE";
1115         case RIL_REQUEST_CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE: return "CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE";
1116         case RIL_REQUEST_CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE: return "CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE";
1117         case RIL_REQUEST_CDMA_FLASH: return "CDMA_FLASH";
1118         case RIL_REQUEST_CDMA_BURST_DTMF: return "CDMA_BURST_DTMF";
1119         case RIL_REQUEST_CDMA_VALIDATE_AND_WRITE_AKEY: return "CDMA_VALIDATE_AND_WRITE_AKEY";
1120         case RIL_REQUEST_CDMA_SEND_SMS: return "CDMA_SEND_SMS";
1121         case RIL_REQUEST_CDMA_SMS_ACKNOWLEDGE: return "CDMA_SMS_ACKNOWLEDGE";
1122         case RIL_REQUEST_GSM_GET_BROADCAST_SMS_CONFIG: return "GSM_GET_BROADCAST_SMS_CONFIG";
1123         case RIL_REQUEST_GSM_SET_BROADCAST_SMS_CONFIG: return "GSM_SET_BROADCAST_SMS_CONFIG";
1124         case RIL_REQUEST_GSM_SMS_BROADCAST_ACTIVATION: return "GSM_SMS_BROADCAST_ACTIVATION";
1125         case RIL_REQUEST_CDMA_GET_BROADCAST_SMS_CONFIG: return "CDMA_GET_BROADCAST_SMS_CONFIG";
1126         case RIL_REQUEST_CDMA_SET_BROADCAST_SMS_CONFIG: return "CDMA_SET_BROADCAST_SMS_CONFIG";
1127         case RIL_REQUEST_CDMA_SMS_BROADCAST_ACTIVATION: return "CDMA_SMS_BROADCAST_ACTIVATION";
1128         case RIL_REQUEST_CDMA_SUBSCRIPTION: return "CDMA_SUBSCRIPTION";
1129         case RIL_REQUEST_CDMA_WRITE_SMS_TO_RUIM: return "CDMA_WRITE_SMS_TO_RUIM";
1130         case RIL_REQUEST_CDMA_DELETE_SMS_ON_RUIM: return "CDMA_DELETE_SMS_ON_RUIM";
1131         case RIL_REQUEST_DEVICE_IDENTITY: return "DEVICE_IDENTITY";
1132         case RIL_REQUEST_EXIT_EMERGENCY_CALLBACK_MODE: return "EXIT_EMERGENCY_CALLBACK_MODE";
1133         case RIL_REQUEST_GET_SMSC_ADDRESS: return "GET_SMSC_ADDRESS";
1134         case RIL_REQUEST_SET_SMSC_ADDRESS: return "SET_SMSC_ADDRESS";
1135         case RIL_REQUEST_REPORT_SMS_MEMORY_STATUS: return "REPORT_SMS_MEMORY_STATUS";
1136         case RIL_REQUEST_REPORT_STK_SERVICE_IS_RUNNING: return "REPORT_STK_SERVICE_IS_RUNNING";
1137         case RIL_REQUEST_CDMA_GET_SUBSCRIPTION_SOURCE: return "CDMA_GET_SUBSCRIPTION_SOURCE";
1138         case RIL_REQUEST_ISIM_AUTHENTICATION: return "ISIM_AUTHENTICATION";
1139         case RIL_REQUEST_ACKNOWLEDGE_INCOMING_GSM_SMS_WITH_PDU: return "ACKNOWLEDGE_INCOMING_GSM_SMS_WITH_PDU";
1140         case RIL_REQUEST_STK_SEND_ENVELOPE_WITH_STATUS: return "STK_SEND_ENVELOPE_WITH_STATUS";
1141         case RIL_REQUEST_VOICE_RADIO_TECH: return "VOICE_RADIO_TECH";
1142         case RIL_REQUEST_GET_CELL_INFO_LIST: return "GET_CELL_INFO_LIST";
1143         case RIL_REQUEST_SET_UNSOL_CELL_INFO_LIST_RATE: return "SET_UNSOL_CELL_INFO_LIST_RATE";
1144         case RIL_REQUEST_SET_INITIAL_ATTACH_APN: return "SET_INITIAL_ATTACH_APN";
1145         case RIL_REQUEST_IMS_REGISTRATION_STATE: return "IMS_REGISTRATION_STATE";
1146         case RIL_REQUEST_IMS_SEND_SMS: return "IMS_SEND_SMS";
1147         case RIL_REQUEST_SIM_TRANSMIT_APDU_BASIC: return "SIM_TRANSMIT_APDU_BASIC";
1148         case RIL_REQUEST_SIM_OPEN_CHANNEL: return "SIM_OPEN_CHANNEL";
1149         case RIL_REQUEST_SIM_CLOSE_CHANNEL: return "SIM_CLOSE_CHANNEL";
1150         case RIL_REQUEST_SIM_TRANSMIT_APDU_CHANNEL: return "SIM_TRANSMIT_APDU_CHANNEL";
1151         case RIL_REQUEST_NV_READ_ITEM: return "NV_READ_ITEM";
1152         case RIL_REQUEST_NV_WRITE_ITEM: return "NV_WRITE_ITEM";
1153         case RIL_REQUEST_NV_WRITE_CDMA_PRL: return "NV_WRITE_CDMA_PRL";
1154         case RIL_REQUEST_NV_RESET_CONFIG: return "NV_RESET_CONFIG";
1155         case RIL_REQUEST_SET_UICC_SUBSCRIPTION: return "SET_UICC_SUBSCRIPTION";
1156         case RIL_REQUEST_ALLOW_DATA: return "ALLOW_DATA";
1157         case RIL_REQUEST_GET_HARDWARE_CONFIG: return "GET_HARDWARE_CONFIG";
1158         case RIL_REQUEST_SIM_AUTHENTICATION: return "SIM_AUTHENTICATION";
1159         case RIL_REQUEST_GET_DC_RT_INFO: return "GET_DC_RT_INFO";
1160         case RIL_REQUEST_SET_DC_RT_INFO_RATE: return "SET_DC_RT_INFO_RATE";
1161         case RIL_REQUEST_SET_DATA_PROFILE: return "SET_DATA_PROFILE";
1162         case RIL_REQUEST_SHUTDOWN: return "SHUTDOWN";
1163         case RIL_REQUEST_GET_RADIO_CAPABILITY: return "GET_RADIO_CAPABILITY";
1164         case RIL_REQUEST_SET_RADIO_CAPABILITY: return "SET_RADIO_CAPABILITY";
1165         case RIL_REQUEST_START_LCE: return "START_LCE";
1166         case RIL_REQUEST_STOP_LCE: return "STOP_LCE";
1167         case RIL_REQUEST_PULL_LCEDATA: return "PULL_LCEDATA";
1168         case RIL_REQUEST_GET_ACTIVITY_INFO: return "GET_ACTIVITY_INFO";
1169         case RIL_REQUEST_SET_CARRIER_RESTRICTIONS: return "SET_CARRIER_RESTRICTIONS";
1170         case RIL_REQUEST_SET_CARRIER_RESTRICTIONS_1_4: return "SET_CARRIER_RESTRICTIONS_1_4";
1171         case RIL_REQUEST_GET_CARRIER_RESTRICTIONS: return "GET_CARRIER_RESTRICTIONS";
1172         case RIL_REQUEST_GET_CARRIER_RESTRICTIONS_1_4: return "GET_CARRIER_RESTRICTIONS_1_4";
1173         case RIL_REQUEST_SET_CARRIER_INFO_IMSI_ENCRYPTION: return "SET_CARRIER_INFO_IMSI_ENCRYPTION";
1174         case RIL_RESPONSE_ACKNOWLEDGEMENT: return "RESPONSE_ACKNOWLEDGEMENT";
1175         case RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED: return "UNSOL_RESPONSE_RADIO_STATE_CHANGED";
1176         case RIL_UNSOL_RESPONSE_CALL_STATE_CHANGED: return "UNSOL_RESPONSE_CALL_STATE_CHANGED";
1177         case RIL_UNSOL_RESPONSE_VOICE_NETWORK_STATE_CHANGED: return "UNSOL_RESPONSE_VOICE_NETWORK_STATE_CHANGED";
1178         case RIL_UNSOL_RESPONSE_NEW_SMS: return "UNSOL_RESPONSE_NEW_SMS";
1179         case RIL_UNSOL_RESPONSE_NEW_SMS_STATUS_REPORT: return "UNSOL_RESPONSE_NEW_SMS_STATUS_REPORT";
1180         case RIL_UNSOL_RESPONSE_NEW_SMS_ON_SIM: return "UNSOL_RESPONSE_NEW_SMS_ON_SIM";
1181         case RIL_UNSOL_ON_USSD: return "UNSOL_ON_USSD";
1182         case RIL_UNSOL_ON_USSD_REQUEST: return "UNSOL_ON_USSD_REQUEST";
1183         case RIL_UNSOL_NITZ_TIME_RECEIVED: return "UNSOL_NITZ_TIME_RECEIVED";
1184         case RIL_UNSOL_SIGNAL_STRENGTH: return "UNSOL_SIGNAL_STRENGTH";
1185         case RIL_UNSOL_DATA_CALL_LIST_CHANGED: return "UNSOL_DATA_CALL_LIST_CHANGED";
1186         case RIL_UNSOL_SUPP_SVC_NOTIFICATION: return "UNSOL_SUPP_SVC_NOTIFICATION";
1187         case RIL_UNSOL_STK_SESSION_END: return "UNSOL_STK_SESSION_END";
1188         case RIL_UNSOL_STK_PROACTIVE_COMMAND: return "UNSOL_STK_PROACTIVE_COMMAND";
1189         case RIL_UNSOL_STK_EVENT_NOTIFY: return "UNSOL_STK_EVENT_NOTIFY";
1190         case RIL_UNSOL_STK_CALL_SETUP: return "UNSOL_STK_CALL_SETUP";
1191         case RIL_UNSOL_SIM_SMS_STORAGE_FULL: return "UNSOL_SIM_SMS_STORAGE_FULL";
1192         case RIL_UNSOL_SIM_REFRESH: return "UNSOL_SIM_REFRESH";
1193         case RIL_UNSOL_CALL_RING: return "UNSOL_CALL_RING";
1194         case RIL_UNSOL_RESPONSE_SIM_STATUS_CHANGED: return "UNSOL_RESPONSE_SIM_STATUS_CHANGED";
1195         case RIL_UNSOL_RESPONSE_CDMA_NEW_SMS: return "UNSOL_RESPONSE_CDMA_NEW_SMS";
1196         case RIL_UNSOL_RESPONSE_NEW_BROADCAST_SMS: return "UNSOL_RESPONSE_NEW_BROADCAST_SMS";
1197         case RIL_UNSOL_CDMA_RUIM_SMS_STORAGE_FULL: return "UNSOL_CDMA_RUIM_SMS_STORAGE_FULL";
1198         case RIL_UNSOL_RESTRICTED_STATE_CHANGED: return "UNSOL_RESTRICTED_STATE_CHANGED";
1199         case RIL_UNSOL_ENTER_EMERGENCY_CALLBACK_MODE: return "UNSOL_ENTER_EMERGENCY_CALLBACK_MODE";
1200         case RIL_UNSOL_CDMA_CALL_WAITING: return "UNSOL_CDMA_CALL_WAITING";
1201         case RIL_UNSOL_CDMA_OTA_PROVISION_STATUS: return "UNSOL_CDMA_OTA_PROVISION_STATUS";
1202         case RIL_UNSOL_CDMA_INFO_REC: return "UNSOL_CDMA_INFO_REC";
1203         case RIL_UNSOL_OEM_HOOK_RAW: return "UNSOL_OEM_HOOK_RAW";
1204         case RIL_UNSOL_RINGBACK_TONE: return "UNSOL_RINGBACK_TONE";
1205         case RIL_UNSOL_RESEND_INCALL_MUTE: return "UNSOL_RESEND_INCALL_MUTE";
1206         case RIL_UNSOL_CDMA_SUBSCRIPTION_SOURCE_CHANGED: return "UNSOL_CDMA_SUBSCRIPTION_SOURCE_CHANGED";
1207         case RIL_UNSOL_CDMA_PRL_CHANGED: return "UNSOL_CDMA_PRL_CHANGED";
1208         case RIL_UNSOL_EXIT_EMERGENCY_CALLBACK_MODE: return "UNSOL_EXIT_EMERGENCY_CALLBACK_MODE";
1209         case RIL_UNSOL_RIL_CONNECTED: return "UNSOL_RIL_CONNECTED";
1210         case RIL_UNSOL_VOICE_RADIO_TECH_CHANGED: return "UNSOL_VOICE_RADIO_TECH_CHANGED";
1211         case RIL_UNSOL_CELL_INFO_LIST: return "UNSOL_CELL_INFO_LIST";
1212         case RIL_UNSOL_RESPONSE_IMS_NETWORK_STATE_CHANGED: return "UNSOL_RESPONSE_IMS_NETWORK_STATE_CHANGED";
1213         case RIL_UNSOL_UICC_SUBSCRIPTION_STATUS_CHANGED: return "UNSOL_UICC_SUBSCRIPTION_STATUS_CHANGED";
1214         case RIL_UNSOL_SRVCC_STATE_NOTIFY: return "UNSOL_SRVCC_STATE_NOTIFY";
1215         case RIL_UNSOL_HARDWARE_CONFIG_CHANGED: return "UNSOL_HARDWARE_CONFIG_CHANGED";
1216         case RIL_UNSOL_DC_RT_INFO_CHANGED: return "UNSOL_DC_RT_INFO_CHANGED";
1217         case RIL_UNSOL_RADIO_CAPABILITY: return "UNSOL_RADIO_CAPABILITY";
1218         case RIL_UNSOL_MODEM_RESTART: return "UNSOL_MODEM_RESTART";
1219         case RIL_UNSOL_CARRIER_INFO_IMSI_ENCRYPTION: return "UNSOL_CARRIER_INFO_IMSI_ENCRYPTION";
1220         case RIL_UNSOL_ON_SS: return "UNSOL_ON_SS";
1221         case RIL_UNSOL_STK_CC_ALPHA_NOTIFY: return "UNSOL_STK_CC_ALPHA_NOTIFY";
1222         case RIL_UNSOL_LCEDATA_RECV: return "UNSOL_LCEDATA_RECV";
1223         case RIL_UNSOL_PCO_DATA: return "UNSOL_PCO_DATA";
1224         default: return "<unknown request>";
1225     }
1226 }
1227 
1228 const char *
rilSocketIdToString(RIL_SOCKET_ID socket_id)1229 rilSocketIdToString(RIL_SOCKET_ID socket_id)
1230 {
1231     switch(socket_id) {
1232         case RIL_SOCKET_1:
1233             return "RIL_SOCKET_1";
1234 #if (SIM_COUNT >= 2)
1235         case RIL_SOCKET_2:
1236             return "RIL_SOCKET_2";
1237 #endif
1238 #if (SIM_COUNT >= 3)
1239         case RIL_SOCKET_3:
1240             return "RIL_SOCKET_3";
1241 #endif
1242 #if (SIM_COUNT >= 4)
1243         case RIL_SOCKET_4:
1244             return "RIL_SOCKET_4";
1245 #endif
1246         default:
1247             return "not a valid RIL";
1248     }
1249 }
1250 
1251 } /* namespace android */
1252