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