main.cpp revision f1b736bc5605e92e917ab27f5abf3ba839be2270
1f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat/* 2f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Copyright (C) 2008 The Android Open Source Project 3f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 4f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Licensed under the Apache License, Version 2.0 (the "License"); 5f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * you may not use this file except in compliance with the License. 6f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * You may obtain a copy of the License at 7f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 8f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * http://www.apache.org/licenses/LICENSE-2.0 9f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 10f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Unless required by applicable law or agreed to in writing, software 11f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * distributed under the License is distributed on an "AS IS" BASIS, 12f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * See the License for the specific language governing permissions and 14f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * limitations under the License. 15f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat */ 16f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 17f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <stdio.h> 18f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <stdlib.h> 19f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <errno.h> 20f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <string.h> 21f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 22f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#define LOG_TAG "Vold" 23f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 24f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "cutils/log.h" 25f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 26f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "VolumeManager.h" 27f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "CommandListener.h" 28f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "NetlinkManager.h" 29f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "DeviceVolume.h" 30f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 31f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatstatic int process_config(VolumeManager *vm); 32f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 33f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatint main() { 34f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 35f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat VolumeManager *vm; 36f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat CommandListener *cl; 37f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat NetlinkManager *nm; 38f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 39f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGI("Vold 2.0 firing up"); 40f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 41f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat /* Create our singleton managers */ 42f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!(vm = VolumeManager::Instance())) { 43f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Unable to create VolumeManager"); 44f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat exit(1); 45f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat }; 46f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 47f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!(nm = NetlinkManager::Instance())) { 48f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Unable to create NetlinkManager"); 49f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat exit(1); 50f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat }; 51f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 52f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat cl = new CommandListener(); 53f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat vm->setBroadcaster((SocketListener *) cl); 54f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat nm->setBroadcaster((SocketListener *) cl); 55f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 56f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (vm->start()) { 57f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Unable to start VolumeManager (%s)", strerror(errno)); 58f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat exit(1); 59f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 61f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (process_config(vm)) { 62f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Error reading configuration (%s)", strerror(errno)); 63f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat exit(1); 64f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 65f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 66f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (nm->start()) { 67f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Unable to start NetlinkManager (%s)", strerror(errno)); 68f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat exit(1); 69f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 70f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 71f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat /* 72f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Now that we're up, we can respond to commands 73f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat */ 74f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (cl->startListener()) { 75f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Unable to start CommandListener (%s)", strerror(errno)); 76f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat exit(1); 77f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 78f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 79f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat // Eventually we'll become the monitoring thread 80f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat while(1) { 81f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat sleep(1000); 82f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 83f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 84f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGI("Vold exiting"); 85f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat exit(0); 86f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 87f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 88f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatstatic int process_config(VolumeManager *vm) { 89f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat FILE *fp; 90f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int n = 0; 91f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char line[255]; 92f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 93f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!(fp = fopen("/etc/vold.fstab", "r"))) { 94f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return -1; 95f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 96f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 97f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat while(fgets(line, sizeof(line), fp)) { 98f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *next = line; 99f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *type, *label, *mount_point; 100f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 101f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat n++; 102f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat line[strlen(line)-1] = '\0'; 103f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 104f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (line[0] == '#' || line[0] == '\0') 105f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat continue; 106f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 107f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!(type = strsep(&next, " \t"))) { 108f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Error parsing type"); 109f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat goto out_syntax; 110f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 111f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!(label = strsep(&next, " \t"))) { 112f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Error parsing label"); 113f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat goto out_syntax; 114f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 115f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!(mount_point = strsep(&next, " \t"))) { 116f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Error parsing mount point"); 117f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat goto out_syntax; 118f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 119f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 120f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!strcmp(type, "dev_mount")) { 121f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat DeviceVolume *dv = NULL; 122f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat char *part, *sysfs_path; 123f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 124f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (!(part = strsep(&next, " \t"))) { 125f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Error parsing partition"); 126f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat goto out_syntax; 127f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 128f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (strcmp(part, "auto") && atoi(part) == 0) { 129f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Partition must either be 'auto' or 1 based index instead of '%s'", part); 130f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat goto out_syntax; 131f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 132f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 133f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat dv = new DeviceVolume(label, mount_point, atoi(part)); 134f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 135f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat while((sysfs_path = strsep(&next, " \t"))) { 136f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat if (dv->addPath(sysfs_path)) { 137f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Failed to add devpath %s to volume %s", sysfs_path, 138f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat label); 139f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat goto out_fail; 140f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 141f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 142f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat vm->addVolume(dv); 143f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } else if (!strcmp(type, "map_mount")) { 144f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } else { 145f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Unknown type '%s'", type); 146f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat goto out_syntax; 147f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 148f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat } 149f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 150f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat fclose(fp); 151f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return 0; 152f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 153f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatout_syntax: 154f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat LOGE("Syntax error on config line %d", n); 155f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat errno = -EINVAL; 156f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatout_fail: 157f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat fclose(fp); 158f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat return -1; 159f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat} 160