| /* Copyright (c) 2009,2011 Code Aurora Forum. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of Code Aurora Forum, Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #define LOG_NDDEBUG 0 |
| #define LOG_TAG "LocSvc_eng" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <sys/time.h> |
| #include <pthread.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <ctype.h> |
| #include <unistd.h> |
| #include <time.h> |
| |
| #include <loc_eng.h> |
| |
| #include "log_util.h" |
| |
| /*============================================================================= |
| * |
| * DATA DECLARATION |
| * |
| *============================================================================*/ |
| |
| /*============================================================================= |
| * |
| * FUNCTION DECLARATIONS |
| * |
| *============================================================================*/ |
| static void* ni_thread_proc(void *args); |
| |
| /*=========================================================================== |
| |
| FUNCTION loc_eng_ni_request_handler |
| |
| DESCRIPTION |
| Displays the NI request and awaits user input. If a previous request is |
| in session, it is ignored. |
| |
| RETURN VALUE |
| none |
| |
| ===========================================================================*/ |
| void loc_eng_ni_request_handler(loc_eng_data_s_type &loc_eng_data, |
| const GpsNiNotification *notif, |
| const void* passThrough) |
| { |
| ENTRY_LOG(); |
| char lcs_addr[32]; // Decoded LCS address for UMTS CP NI |
| loc_eng_ni_data_s_type* loc_eng_ni_data_p = &loc_eng_data.loc_eng_ni_data; |
| |
| if (NULL == loc_eng_data.ni_notify_cb) { |
| EXIT_LOG(%s, "loc_eng_ni_init hasn't happened yet."); |
| return; |
| } |
| |
| /* If busy, use default or deny */ |
| if (NULL != loc_eng_ni_data_p->rawRequest) |
| { |
| /* XXX Consider sending a NO RESPONSE reply or queue the request */ |
| LOC_LOGW("loc_eng_ni_request_handler, notification in progress, new NI request ignored, type: %d", |
| notif->ni_type); |
| if (NULL != passThrough) { |
| free((void*)passThrough); |
| } |
| } |
| else { |
| /* Save request */ |
| loc_eng_ni_data_p->rawRequest = (void*)passThrough; |
| |
| /* Fill in notification */ |
| ((GpsNiNotification*)notif)->notification_id = loc_eng_ni_data_p->reqID; |
| |
| if (notif->notify_flags == GPS_NI_PRIVACY_OVERRIDE) |
| { |
| loc_eng_mute_one_session(loc_eng_data); |
| } |
| |
| /* Log requestor ID and text for debugging */ |
| LOC_LOGI("Notification: notif_type: %d, timeout: %d, default_resp: %d", notif->ni_type, notif->timeout, notif->default_response); |
| LOC_LOGI(" requestor_id: %s (encoding: %d)", notif->requestor_id, notif->requestor_id_encoding); |
| LOC_LOGI(" text: %s text (encoding: %d)", notif->text, notif->text_encoding); |
| if (notif->extras[0]) |
| { |
| LOC_LOGI(" extras: %s", notif->extras); |
| } |
| |
| /* For robustness, spawn a thread at this point to timeout to clear up the notification status, even though |
| * the OEM layer in java does not do so. |
| **/ |
| loc_eng_ni_data_p->respTimeLeft = 5 + (notif->timeout != 0 ? notif->timeout : LOC_NI_NO_RESPONSE_TIME); |
| LOC_LOGI("Automatically sends 'no response' in %d seconds (to clear status)\n", loc_eng_ni_data_p->respTimeLeft); |
| |
| int rc = 0; |
| rc = pthread_create(&loc_eng_ni_data_p->thread, NULL, ni_thread_proc, &loc_eng_data); |
| if (rc) |
| { |
| LOC_LOGE("Loc NI thread is not created.\n"); |
| } |
| rc = pthread_detach(loc_eng_ni_data_p->thread); |
| if (rc) |
| { |
| LOC_LOGE("Loc NI thread is not detached.\n"); |
| } |
| |
| CALLBACK_LOG_CALLFLOW("ni_notify_cb - id", %d, notif->notification_id); |
| loc_eng_data.ni_notify_cb((GpsNiNotification*)notif); |
| } |
| EXIT_LOG(%s, VOID_RET); |
| } |
| |
| /*=========================================================================== |
| |
| FUNCTION ni_thread_proc |
| |
| ===========================================================================*/ |
| static void* ni_thread_proc(void *args) |
| { |
| ENTRY_LOG(); |
| |
| loc_eng_data_s_type* loc_eng_data_p = (loc_eng_data_s_type*)args; |
| loc_eng_ni_data_s_type* loc_eng_ni_data_p = &loc_eng_data_p->loc_eng_ni_data; |
| int rc = 0; /* return code from pthread calls */ |
| |
| struct timeval present_time; |
| struct timespec expire_time; |
| |
| LOC_LOGD("Starting Loc NI thread...\n"); |
| pthread_mutex_lock(&loc_eng_ni_data_p->tLock); |
| /* Calculate absolute expire time */ |
| gettimeofday(&present_time, NULL); |
| expire_time.tv_sec = present_time.tv_sec + loc_eng_ni_data_p->respTimeLeft; |
| expire_time.tv_nsec = present_time.tv_usec * 1000; |
| LOC_LOGD("ni_thread_proc-Time out set for abs time %ld with delay %d sec\n", |
| (long) expire_time.tv_sec, loc_eng_ni_data_p->respTimeLeft ); |
| |
| while (!loc_eng_ni_data_p->respRecvd) |
| { |
| rc = pthread_cond_timedwait(&loc_eng_ni_data_p->tCond, |
| &loc_eng_ni_data_p->tLock, |
| &expire_time); |
| if (rc == ETIMEDOUT) |
| { |
| loc_eng_ni_data_p->resp = GPS_NI_RESPONSE_NORESP; |
| LOC_LOGD("ni_thread_proc-Thread time out after valting for specified time. Ret Val %d\n",rc ); |
| break; |
| } |
| } |
| LOC_LOGD("ni_thread_proc-Java layer has sent us a user response and return value from " |
| "pthread_cond_timedwait = %d\n",rc ); |
| loc_eng_ni_data_p->respRecvd = FALSE; /* Reset the user response flag for the next session*/ |
| |
| // adding this check to support modem restart, in which case, we need the thread |
| // to exit without calling sending data to loc_eng_msg_q. We made sure that |
| // rawRequest is NULL in loc_eng_ni_reset_on_engine_restart() |
| loc_eng_msg_inform_ni_response *msg = NULL; |
| |
| if (NULL != loc_eng_ni_data_p->rawRequest) { |
| loc_eng_data_s_type *loc_eng_data_p = (loc_eng_data_s_type*)args; |
| msg = new loc_eng_msg_inform_ni_response(loc_eng_data_p, |
| loc_eng_ni_data_p->resp, |
| loc_eng_ni_data_p->rawRequest); |
| loc_eng_ni_data_p->rawRequest = NULL; |
| } |
| pthread_mutex_unlock(&loc_eng_ni_data_p->tLock); |
| |
| loc_eng_ni_data_p->respTimeLeft = 0; |
| loc_eng_ni_data_p->reqID++; |
| |
| if (NULL != msg) { |
| loc_eng_msg_sender(loc_eng_data_p, msg); |
| } |
| |
| EXIT_LOG(%s, VOID_RET); |
| return NULL; |
| } |
| |
| void loc_eng_ni_reset_on_engine_restart(loc_eng_data_s_type &loc_eng_data) |
| { |
| ENTRY_LOG(); |
| loc_eng_ni_data_s_type* loc_eng_ni_data_p = &loc_eng_data.loc_eng_ni_data; |
| |
| if (NULL == loc_eng_data.ni_notify_cb) { |
| EXIT_LOG(%s, "loc_eng_ni_init hasn't happened yet."); |
| return; |
| } |
| |
| // only if modem has requested but then died. |
| if (NULL != loc_eng_ni_data_p->rawRequest) { |
| free(loc_eng_ni_data_p->rawRequest); |
| loc_eng_ni_data_p->rawRequest = NULL; |
| |
| pthread_mutex_lock(&loc_eng_ni_data_p->tLock); |
| // the goal is to wake up ni_thread_proc |
| // and let it exit. |
| loc_eng_ni_data_p->respRecvd = TRUE; |
| pthread_cond_signal(&loc_eng_ni_data_p->tCond); |
| pthread_mutex_unlock(&loc_eng_ni_data_p->tLock); |
| } |
| |
| EXIT_LOG(%s, VOID_RET); |
| } |
| |
| /*=========================================================================== |
| FUNCTION loc_eng_ni_init |
| |
| DESCRIPTION |
| This function initializes the NI interface |
| |
| DEPENDENCIES |
| NONE |
| |
| RETURN VALUE |
| None |
| |
| SIDE EFFECTS |
| N/A |
| |
| ===========================================================================*/ |
| void loc_eng_ni_init(loc_eng_data_s_type &loc_eng_data, GpsNiCallbacks *callbacks) |
| { |
| ENTRY_LOG_CALLFLOW(); |
| |
| if (NULL == callbacks->notify_cb) { |
| EXIT_LOG(%s, "loc_eng_ni_init: failed, no cb."); |
| } else if (NULL != loc_eng_data.ni_notify_cb) { |
| EXIT_LOG(%s, "loc_eng_ni_init: already inited."); |
| } else { |
| loc_eng_ni_data_s_type* loc_eng_ni_data_p = &loc_eng_data.loc_eng_ni_data; |
| loc_eng_ni_data_p->respTimeLeft = 0; |
| loc_eng_ni_data_p->respRecvd = FALSE; |
| loc_eng_ni_data_p->rawRequest = NULL; |
| loc_eng_ni_data_p->reqID = 0; |
| pthread_cond_init(&loc_eng_ni_data_p->tCond, NULL); |
| pthread_mutex_init(&loc_eng_ni_data_p->tLock, NULL); |
| |
| loc_eng_data.ni_notify_cb = callbacks->notify_cb; |
| EXIT_LOG(%s, VOID_RET); |
| } |
| } |
| |
| /*=========================================================================== |
| FUNCTION loc_eng_ni_respond |
| |
| DESCRIPTION |
| This function receives user response from upper layer framework |
| |
| DEPENDENCIES |
| NONE |
| |
| RETURN VALUE |
| None |
| |
| SIDE EFFECTS |
| N/A |
| |
| ===========================================================================*/ |
| void loc_eng_ni_respond(loc_eng_data_s_type &loc_eng_data, |
| int notif_id, GpsUserResponseType user_response) |
| { |
| ENTRY_LOG_CALLFLOW(); |
| loc_eng_ni_data_s_type* loc_eng_ni_data_p = &loc_eng_data.loc_eng_ni_data; |
| |
| if (NULL == loc_eng_data.ni_notify_cb) { |
| EXIT_LOG(%s, "loc_eng_ni_init hasn't happened yet."); |
| return; |
| } |
| |
| if (notif_id == loc_eng_ni_data_p->reqID && |
| NULL != loc_eng_ni_data_p->rawRequest) |
| { |
| LOC_LOGI("loc_eng_ni_respond: send user response %d for notif %d", user_response, notif_id); |
| pthread_mutex_lock(&loc_eng_ni_data_p->tLock); |
| loc_eng_ni_data_p->resp = user_response; |
| loc_eng_ni_data_p->respRecvd = TRUE; |
| pthread_cond_signal(&loc_eng_ni_data_p->tCond); |
| pthread_mutex_unlock(&loc_eng_ni_data_p->tLock); |
| } |
| else { |
| LOC_LOGE("loc_eng_ni_respond: reqID %d and notif_id %d mismatch or rawRequest %p, response: %d", |
| loc_eng_ni_data_p->reqID, notif_id, loc_eng_ni_data_p->rawRequest, user_response); |
| } |
| |
| EXIT_LOG(%s, VOID_RET); |
| } |