service/instance.h

   1 /*
   2  * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
   3  * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU Lesser General Public License version 2.1
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef __PROCD_INSTANCE_H
  16 #define __PROCD_INSTANCE_H
  17
  18 #include <libubox/vlist.h>
  19 #include <libubox/uloop.h>
  20 #include <libubox/ustream.h>
  21 #include "../utils/utils.h"
  22
  23 #define RESPAWN_ERROR   (5 * 60)
  24
  25 struct jail {
  26         bool procfs;
  27         bool sysfs;
  28         bool ubus;
  29         bool log;
  30         bool ronly;
  31         char *name;
  32         char *hostname;
  33         struct blobmsg_list mount;
  34         int argc;
  35 };
  36
  37 struct service_instance {
  38         struct vlist_node node;
  39         struct service *srv;
  40         const char *name;
  41
  42         int8_t nice;
  43         bool valid;
  44
  45         char *user;
  46         uid_t uid;
  47         gid_t gid;
  48
  49         bool halt;
  50         bool restart;
  51         bool respawn;
  52         int respawn_count;
  53         int reload_signal;
  54         struct timespec start;
  55
  56         bool trace;
  57         bool has_jail;
  58         bool no_new_privs;
  59         struct jail jail;
  60         char *seccomp;
  61         char *pidfile;
  62
  63         uint32_t term_timeout;
  64         uint32_t respawn_timeout;
  65         uint32_t respawn_threshold;
  66         uint32_t respawn_retry;
  67
  68         struct blob_attr *config;
  69         struct uloop_process proc;
  70         struct uloop_timeout timeout;
  71         struct ustream_fd _stdout;
  72         struct ustream_fd _stderr;
  73
  74         struct blob_attr *command;
  75         struct blob_attr *trigger;
  76         struct blobmsg_list env;
  77         struct blobmsg_list data;
  78         struct blobmsg_list netdev;
  79         struct blobmsg_list file;
  80         struct blobmsg_list limits;
  81         struct blobmsg_list errors;
  82 };
  83
  84 void instance_start(struct service_instance *in);
  85 void instance_stop(struct service_instance *in, bool halt);
  86 void instance_update(struct service_instance *in, struct service_instance *in_new);
  87 void instance_init(struct service_instance *in, struct service *s, struct blob_attr *config);
  88 void instance_free(struct service_instance *in);
  89 void instance_dump(struct blob_buf *b, struct service_instance *in, int debug);
  90
  91 #endif