com_android_server_AlarmManagerService.cpp revision 25ba5b6564224dceefa086b5c439ef28dad530ca
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* //device/libs/android_runtime/android_server_AlarmManagerService.cpp 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2006, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** you may not use this file except in compliance with the License. 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "AlarmManagerService" 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "jni.h" 2225ba5b6564224dceefa086b5c439ef28dad530caMathias Agopian#include <utils/Log.h> 2325ba5b6564224dceefa086b5c439ef28dad530caMathias Agopian#include <utils/misc.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdio.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <string.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/socket.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <arpa/inet.h> 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <netinet/in.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdlib.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <errno.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <unistd.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if HAVE_ANDROID_OS 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <linux/ioctl.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <linux/android_alarm.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define ONE_NANOSECOND 1000000000LL 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define NANOSECONDS_TO_SECONDS(x) (x / ONE_NANOSECOND) 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define SECONDS_TO_NANOSECONDS(x) (x * ONE_NANOSECOND) 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_server_AlarmManagerService_setKernelTimezone(JNIEnv* env, jobject obj, jint fd, jint minswest) 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if HAVE_ANDROID_OS 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timezone tz; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tz.tz_minuteswest = minswest; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tz.tz_dsttime = 0; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int result = settimeofday(NULL, &tz); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (result < 0) { 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Unable to set kernel timezone to %d: %s\n", minswest, strerror(errno)); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGD("Kernel timezone updated to %d minutes west of GMT\n", minswest); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -ENOSYS; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_server_AlarmManagerService_init(JNIEnv* env, jobject obj) 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if HAVE_ANDROID_OS 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return open("/dev/alarm", O_RDWR); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_server_AlarmManagerService_close(JNIEnv* env, jobject obj, jint fd) 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if HAVE_ANDROID_OS 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_server_AlarmManagerService_set(JNIEnv* env, jobject obj, jint fd, jint type, jlong nanoseconds) 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if HAVE_ANDROID_OS 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ts.tv_sec = NANOSECONDS_TO_SECONDS(nanoseconds); 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ts.tv_nsec = nanoseconds - SECONDS_TO_NANOSECONDS(ts.tv_sec); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int result = ioctl(fd, ANDROID_ALARM_SET(type), &ts); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (result < 0) 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Unable to set alarm to %lld: %s\n", nanoseconds, strerror(errno)); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_server_AlarmManagerService_waitForAlarm(JNIEnv* env, jobject obj, jint fd) 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if HAVE_ANDROID_OS 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int result = 0; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = ioctl(fd, ANDROID_ALARM_WAIT); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (result < 0 && errno == EINTR); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (result < 0) 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Unable to wait on alarm: %s\n", strerror(errno)); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod sMethods[] = { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* name, signature, funcPtr */ 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"init", "()I", (void*)android_server_AlarmManagerService_init}, 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"close", "(I)V", (void*)android_server_AlarmManagerService_close}, 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"set", "(IIJ)V", (void*)android_server_AlarmManagerService_set}, 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"waitForAlarm", "(I)I", (void*)android_server_AlarmManagerService_waitForAlarm}, 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setKernelTimezone", "(II)I", (void*)android_server_AlarmManagerService_setKernelTimezone}, 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_server_AlarmManagerService(JNIEnv* env) 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->FindClass("com/android/server/AlarmManagerService"); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clazz == NULL) 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find com/android/server/AlarmManagerService"); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return jniRegisterNativeMethods(env, "com/android/server/AlarmManagerService", 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sMethods, NELEM(sMethods)); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} /* namespace android */ 144