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 #define SIGNALLED_OFFSET 128
  25
  26 struct jail {
  27         bool procfs;
  28         bool sysfs;
  29         bool ubus;
  30         bool log;
  31         bool ronly;
  32         bool netns;
  33         char *name;
  34         char *hostname;
  35         struct blobmsg_list mount;
  36         int argc;
  37 };
  38
  39 struct service_instance {
  40         struct vlist_node node;
  41         struct service *srv;
  42         const char *name;
  43
  44         int8_t nice;
  45         bool valid;
  46
  47         char *user;
  48         uid_t uid;
  49         gid_t pw_gid;
  50         char *group;
  51         gid_t gr_gid;
  52
  53         bool halt;
  54         bool restart;
  55         bool respawn;
  56         int respawn_count;
  57         int reload_signal;
  58         struct timespec start;
  59
  60         bool trace;
  61         bool has_jail;
  62         bool require_jail;
  63         bool no_new_privs;
  64         struct jail jail;
  65         char *seccomp;
  66         char *pidfile;
  67         int syslog_facility;
  68         int exit_code;
  69
  70         uint32_t term_timeout;
  71         uint32_t respawn_timeout;
  72         uint32_t respawn_threshold;
  73         uint32_t respawn_retry;
  74
  75         struct blob_attr *config;
  76         struct uloop_process proc;
  77         struct uloop_timeout timeout;
  78         struct ustream_fd _stdout;
  79         struct ustream_fd _stderr;
  80
  81         struct blob_attr *command;
  82         struct blob_attr *trigger;
  83         struct blobmsg_list env;
  84         struct blobmsg_list data;
  85         struct blobmsg_list netdev;
  86         struct blobmsg_list file;
  87         struct blobmsg_list limits;
  88         struct blobmsg_list errors;
  89 };
  90
  91 void instance_start(struct service_instance *in);
  92 void instance_stop(struct service_instance *in, bool halt);
  93 void instance_update(struct service_instance *in, struct service_instance *in_new);
  94 void instance_init(struct service_instance *in, struct service *s, struct blob_attr *config);
  95 void instance_free(struct service_instance *in);
  96 void instance_dump(struct blob_buf *b, struct service_instance *in, int debug);
  97
  98 #endif