main_mediaserver.cpp revision 0f11b51a57bc9062c4fe8af73747319cedabc5d6
189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2008, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1833df529414c248972587d97cbb2e3309e0a7eeffGlenn Kasten#define LOG_TAG "mediaserver" 19b4d307481960b6b348fae4b4e8edefd003c3d36cGlenn Kasten//#define LOG_NDEBUG 0 2033df529414c248972587d97cbb2e3309e0a7eeffGlenn Kasten 216f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten#include <fcntl.h> 226f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten#include <sys/prctl.h> 236f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten#include <sys/wait.h> 247562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IPCThreadState.h> 257562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/ProcessState.h> 267562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IServiceManager.h> 276f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten#include <cutils/properties.h> 2889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 29feb2179f15bde8241814c8c35f8dace13a923ee7Glenn Kasten#include "RegisterExtensions.h" 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31b4d307481960b6b348fae4b4e8edefd003c3d36cGlenn Kasten// from LOCAL_C_INCLUDES 32b4d307481960b6b348fae4b4e8edefd003c3d36cGlenn Kasten#include "AudioFlinger.h" 33b4d307481960b6b348fae4b4e8edefd003c3d36cGlenn Kasten#include "CameraService.h" 346f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten#include "MediaLogService.h" 35b4d307481960b6b348fae4b4e8edefd003c3d36cGlenn Kasten#include "MediaPlayerService.h" 36b4d307481960b6b348fae4b4e8edefd003c3d36cGlenn Kasten#include "AudioPolicyService.h" 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectusing namespace android; 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 400f11b51a57bc9062c4fe8af73747319cedabc5d6Glenn Kastenint main(int argc __unused, char** argv) 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42879d503a5d4460a4265279985c63af954afe4a2cGlenn Kasten signal(SIGPIPE, SIG_IGN); 436f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten char value[PROPERTY_VALUE_MAX]; 446f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten bool doLog = (property_get("ro.test_harness", value, "0") > 0) && (atoi(value) == 1); 456f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten pid_t childPid; 466f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten // FIXME The advantage of making the process containing media.log service the parent process of 476f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten // the process that contains all the other real services, is that it allows us to collect more 486f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten // detailed information such as signal numbers, stop and continue, resource usage, etc. 496f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten // But it is also more complex. Consider replacing this by independent processes, and using 506f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten // binder on death notification instead. 516f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten if (doLog && (childPid = fork()) != 0) { 526f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten // media.log service 536f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten //prctl(PR_SET_NAME, (unsigned long) "media.log", 0, 0, 0); 546f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten // unfortunately ps ignores PR_SET_NAME for the main thread, so use this ugly hack 556f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten strcpy(argv[0], "media.log"); 566f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten sp<ProcessState> proc(ProcessState::self()); 576f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten MediaLogService::instantiate(); 586f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten ProcessState::self()->startThreadPool(); 596f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten for (;;) { 606f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten siginfo_t info; 616f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten int ret = waitid(P_PID, childPid, &info, WEXITED | WSTOPPED | WCONTINUED); 626f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten if (ret == EINTR) { 636f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten continue; 646f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten } 656f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten if (ret < 0) { 666f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten break; 676f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten } 686f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten char buffer[32]; 696f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten const char *code; 706f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten switch (info.si_code) { 716f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten case CLD_EXITED: 726f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten code = "CLD_EXITED"; 736f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten break; 746f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten case CLD_KILLED: 756f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten code = "CLD_KILLED"; 766f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten break; 776f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten case CLD_DUMPED: 786f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten code = "CLD_DUMPED"; 796f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten break; 806f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten case CLD_STOPPED: 816f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten code = "CLD_STOPPED"; 826f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten break; 836f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten case CLD_TRAPPED: 846f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten code = "CLD_TRAPPED"; 856f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten break; 866f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten case CLD_CONTINUED: 876f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten code = "CLD_CONTINUED"; 886f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten break; 896f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten default: 906f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten snprintf(buffer, sizeof(buffer), "unknown (%d)", info.si_code); 916f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten code = buffer; 926f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten break; 936f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten } 946f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten struct rusage usage; 956f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten getrusage(RUSAGE_CHILDREN, &usage); 966f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten ALOG(LOG_ERROR, "media.log", "pid %d status %d code %s user %ld.%03lds sys %ld.%03lds", 976f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten info.si_pid, info.si_status, code, 986f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten usage.ru_utime.tv_sec, usage.ru_utime.tv_usec / 1000, 996f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten usage.ru_stime.tv_sec, usage.ru_stime.tv_usec / 1000); 1006f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten sp<IServiceManager> sm = defaultServiceManager(); 1016f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten sp<IBinder> binder = sm->getService(String16("media.log")); 1026f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten if (binder != 0) { 1036f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten Vector<String16> args; 1046f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten binder->dump(-1, args); 1056f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten } 1066f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten switch (info.si_code) { 1076f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten case CLD_EXITED: 1086f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten case CLD_KILLED: 1096f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten case CLD_DUMPED: { 1106f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten ALOG(LOG_INFO, "media.log", "exiting"); 1116f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten _exit(0); 1126f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten // not reached 1136f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten } 1146f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten default: 1156f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten break; 1166f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten } 1176f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten } 1186f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten } else { 1196f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten // all other services 1206f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten if (doLog) { 1216f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten prctl(PR_SET_PDEATHSIG, SIGKILL); // if parent media.log dies before me, kill me also 1226f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten setpgid(0, 0); // but if I die first, don't kill my parent 1236f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten } 1246f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten sp<ProcessState> proc(ProcessState::self()); 1256f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten sp<IServiceManager> sm = defaultServiceManager(); 1266f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten ALOGI("ServiceManager: %p", sm.get()); 1276f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten AudioFlinger::instantiate(); 1286f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten MediaPlayerService::instantiate(); 1296f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten CameraService::instantiate(); 1306f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten AudioPolicyService::instantiate(); 131feb2179f15bde8241814c8c35f8dace13a923ee7Glenn Kasten registerExtensions(); 1326f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten ProcessState::self()->startThreadPool(); 1336f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten IPCThreadState::self()->joinThreadPool(); 1346f1c1918d0dfece10f728711b055441e4d135c73Glenn Kasten } 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 136