init.h revision ebc6ff105a114ff5b5465e64fa0f3889730da19d
110d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat/* 210d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * Copyright (C) 2007 The Android Open Source Project 310d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * 410d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * Licensed under the Apache License, Version 2.0 (the "License"); 510d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * you may not use this file except in compliance with the License. 610d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * You may obtain a copy of the License at 710d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * 810d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * http://www.apache.org/licenses/LICENSE-2.0 910d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * 1010d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * Unless required by applicable law or agreed to in writing, software 1110d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * distributed under the License is distributed on an "AS IS" BASIS, 1210d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1310d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * See the License for the specific language governing permissions and 1410d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat * limitations under the License. 1510d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat */ 1610d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 1710d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#ifndef _INIT_INIT_H 1810d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define _INIT_INIT_H 1910d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 2010d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehatvoid handle_control_message(const char *msg, const char *arg); 2110d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 2210d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehatvoid log_init(void); 2310d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehatvoid log_set_level(int level); 2410d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehatvoid log_close(void); 2510d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehatvoid log_write(int level, const char *fmt, ...) 2610d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat __attribute__ ((format(printf, 2, 3))); 2710d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 2810d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define ERROR(x...) log_write(3, "<3>init: " x) 2910d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define NOTICE(x...) log_write(5, "<5>init: " x) 3010d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define INFO(x...) log_write(6, "<6>init: " x) 3110d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 3210d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define LOG_DEFAULT_LEVEL 3 /* messages <= this level are logged */ 3310d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define LOG_UEVENTS 0 /* log uevent messages if 1. verbose */ 3410d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 3510d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehatstruct listnode 3610d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat{ 3710d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat struct listnode *next; 3810d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat struct listnode *prev; 3910d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat}; 4010d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 4110d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define node_to_item(node, container, member) \ 4210d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat (container *) (((char*) (node)) - offsetof(container, member)) 43e2fe261d1ac775e9e6501bf976cd4fef4c1cf5ddSan Mehat 4410d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define list_declare(name) \ 4510d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat struct listnode name = { \ 4610d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat .next = &name, \ 47e2fe261d1ac775e9e6501bf976cd4fef4c1cf5ddSan Mehat .prev = &name, \ 4810d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat } 4910d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 5010d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define list_for_each(node, list) \ 5110d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat for (node = (list)->next; node != (list); node = node->next) 52e2fe261d1ac775e9e6501bf976cd4fef4c1cf5ddSan Mehat 5310d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehatvoid list_init(struct listnode *list); 5410d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehatvoid list_add_tail(struct listnode *list, struct listnode *item); 5510d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehatvoid list_remove(struct listnode *item); 5610d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 5710d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define list_empty(list) ((list) == (list)->next) 5810d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define list_head(list) ((list)->next) 5910d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat#define list_tail(list) ((list)->prev) 6010d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 61e2fe261d1ac775e9e6501bf976cd4fef4c1cf5ddSan Mehatstruct command 62e2fe261d1ac775e9e6501bf976cd4fef4c1cf5ddSan Mehat{ 63e2fe261d1ac775e9e6501bf976cd4fef4c1cf5ddSan Mehat /* list of commands in an action */ 64e2fe261d1ac775e9e6501bf976cd4fef4c1cf5ddSan Mehat struct listnode clist; 6510d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat 6610d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat int (*func)(int nargs, char **args); 6710d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat int nargs; 6810d469bff9031e857c7a290dae7d6ccf7b3a18f8San Mehat char *args[1]; 69}; 70 71struct action { 72 /* node in list of all actions */ 73 struct listnode alist; 74 /* node in the queue of pending actions */ 75 struct listnode qlist; 76 /* node in list of actions for a trigger */ 77 struct listnode tlist; 78 79 unsigned hash; 80 const char *name; 81 82 struct listnode commands; 83 struct command *current; 84}; 85 86struct socketinfo { 87 struct socketinfo *next; 88 const char *name; 89 const char *type; 90 uid_t uid; 91 gid_t gid; 92 int perm; 93}; 94 95struct svcenvinfo { 96 struct svcenvinfo *next; 97 const char *name; 98 const char *value; 99}; 100 101#define SVC_DISABLED 0x01 /* do not autostart with class */ 102#define SVC_ONESHOT 0x02 /* do not restart on exit */ 103#define SVC_RUNNING 0x04 /* currently active */ 104#define SVC_RESTARTING 0x08 /* waiting to restart */ 105#define SVC_CONSOLE 0x10 /* requires console */ 106#define SVC_CRITICAL 0x20 /* will reboot into recovery if keeps crashing */ 107 108#define NR_SVC_SUPP_GIDS 12 /* twelve supplementary groups */ 109 110#define SVC_MAXARGS 64 111 112#define COMMAND_RETRY_TIMEOUT 5 113 114struct service { 115 /* list of all services */ 116 struct listnode slist; 117 118 const char *name; 119 const char *classname; 120 121 unsigned flags; 122 pid_t pid; 123 time_t time_started; /* time of last start */ 124 time_t time_crashed; /* first crash within inspection window */ 125 int nr_crashed; /* number of times crashed within window */ 126 127 uid_t uid; 128 gid_t gid; 129 gid_t supp_gids[NR_SVC_SUPP_GIDS]; 130 size_t nr_supp_gids; 131 132 struct socketinfo *sockets; 133 struct svcenvinfo *envvars; 134 135 struct action onrestart; /* Actions to execute on restart. */ 136 137 /* keycodes for triggering this service via /dev/keychord */ 138 int *keycodes; 139 int nkeycodes; 140 int keychord_id; 141 142 int ioprio_class; 143 int ioprio_pri; 144 145 int nargs; 146 /* "MUST BE AT THE END OF THE STRUCT" */ 147 char *args[1]; 148}; /* ^-------'args' MUST be at the end of this struct! */ 149 150int parse_config_file(const char *fn); 151 152void notify_service_state(const char *name, const char *state); 153 154struct service *service_find_by_name(const char *name); 155struct service *service_find_by_pid(pid_t pid); 156struct service *service_find_by_keychord(int keychord_id); 157void service_for_each(void (*func)(struct service *svc)); 158void service_for_each_class(const char *classname, 159 void (*func)(struct service *svc)); 160void service_for_each_flags(unsigned matchflags, 161 void (*func)(struct service *svc)); 162void service_stop(struct service *svc); 163void service_start(struct service *svc, const char *dynamic_args); 164void property_changed(const char *name, const char *value); 165 166#define INIT_IMAGE_FILE "/initlogo.rle" 167 168int load_565rle_image( char *file_name ); 169 170#endif /* _INIT_INIT_H */ 171