150 lines
4.2 KiB
C++
150 lines
4.2 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "storaged"
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#define KLOG_LEVEL 6
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#include <fcntl.h>
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#include <getopt.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <vector>
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#include <android-base/macros.h>
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#include <android-base/logging.h>
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#include <android-base/stringprintf.h>
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#include <binder/ProcessState.h>
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#include <binder/IServiceManager.h>
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#include <binder/IPCThreadState.h>
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#include <cutils/android_get_control_file.h>
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#include <cutils/sched_policy.h>
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#include <private/android_filesystem_config.h>
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#include <storaged.h>
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#include <storaged_service.h>
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#include <storaged_utils.h>
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sp<storaged_t> storaged;
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// Function of storaged's main thread
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void* storaged_main(void* /* unused */) {
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storaged = new storaged_t();
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storaged->init_battery_service();
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storaged->report_storage_info();
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LOG_TO(SYSTEM, INFO) << "storaged: Start";
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for (;;) {
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storaged->event_checked();
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storaged->pause();
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}
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return NULL;
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}
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static void help_message(void) {
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printf("usage: storaged [OPTION]\n");
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printf(" -u --uid Dump uid I/O usage to stdout\n");
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printf(" -s --start Start storaged (default)\n");
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fflush(stdout);
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}
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int main(int argc, char** argv) {
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int flag_main_service = 0;
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int flag_dump_uid = 0;
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int opt;
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for (;;) {
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int opt_idx = 0;
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static struct option long_options[] = {
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{"start", no_argument, 0, 's'},
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{"kill", no_argument, 0, 'k'},
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{"uid", no_argument, 0, 'u'},
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{"help", no_argument, 0, 'h'}
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};
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opt = getopt_long(argc, argv, ":skdhu0", long_options, &opt_idx);
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if (opt == -1) {
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break;
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}
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switch (opt) {
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case 's':
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flag_main_service = 1;
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break;
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case 'u':
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flag_dump_uid = 1;
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break;
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case 'h':
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help_message();
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return 0;
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case '?':
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default:
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fprintf(stderr, "no supported option\n");
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help_message();
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return -1;
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}
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}
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if (argc == 1) {
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flag_main_service = 1;
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}
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if (flag_main_service && flag_dump_uid) {
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fprintf(stderr, "Invalid arguments. Option \"start\" and \"dump\" cannot be used together.\n");
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help_message();
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return -1;
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}
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if (flag_main_service) { // start main thread
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// Start the main thread of storaged
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pthread_t storaged_main_thread;
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errno = pthread_create(&storaged_main_thread, NULL, storaged_main, NULL);
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if (errno != 0) {
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PLOG_TO(SYSTEM, ERROR) << "Failed to create main thread";
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return -1;
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}
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defaultServiceManager()->addService(String16("storaged"), new Storaged());
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android::ProcessState::self()->startThreadPool();
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IPCThreadState::self()->joinThreadPool();
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pthread_join(storaged_main_thread, NULL);
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return 0;
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}
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if (flag_dump_uid) {
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sp<IStoraged> storaged_service = get_storaged_service();
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if (storaged_service == NULL) {
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fprintf(stderr, "Cannot find storaged service.\nMaybe run storaged --start first?\n");
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return -1;
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}
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std::vector<struct uid_info> res = storaged_service->dump_uids(NULL);
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if (res.size() == 0) {
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fprintf(stderr, "UID I/O is not readable in this version of kernel.\n");
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return 0;
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}
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sort_running_uids_info(res);
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log_console_running_uids_info(res);
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return 0;
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}
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return 0;
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}
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