# procd_set_param(type, [value...])
# Available types:
# command: command line (array).
-# respawn info: array with 3 values $restart_timeout $fail_hreshold $max_fail
+# respawn info: array with 3 values $fail_threshold $restart_timeout $max_fail
# env: environment variable (passed to the process)
# data: arbitrary name/value pairs for detecting config changes (table)
# file: configuration files (array)
# netdev: bound network device (detects ifindex changes)
+# limits: resource limits (passed to the process)
+# user: $username to run service as
+# group: $groupname to run service as
+# pidfile: file name to write pid into
+# stdout: boolean whether to redirect commands stdout to syslog (default: 0)
+# stderr: boolean whether to redirect commands stderr to syslog (default: 0)
+# facility: syslog facility used when logging to syslog (default: daemon)
#
# No space separation is done for arrays/tables - use one function argument per command line argument
#
# procd_close_instance():
# Complete the instance being prepared
#
+# procd_running(service, [instance]):
+# Checks if service/instance is currently running
+#
# procd_kill(service, [instance]):
# Kill a service instance (or all instances)
#
+# procd_send_signal(service, [instance], [signal])
+# Send a signal to a service instance (or all instances)
+#
-. $IPKG_INSTROOT/usr/share/libubox/jshn.sh
+. "$IPKG_INSTROOT/usr/share/libubox/jshn.sh"
+PROCD_RELOAD_DELAY=1000
_PROCD_SERVICE=
+procd_lock() {
+ local basescript=$(readlink "$initscript")
+ local service_name="$(basename ${basescript:-$initscript})"
+
+ flock -n 1000 &> /dev/null
+ if [ "$?" != "0" ]; then
+ exec 1000>"$IPKG_INSTROOT/var/lock/procd_${service_name}.lock"
+ flock 1000
+ if [ "$?" != "0" ]; then
+ logger "warning: procd flock for $service_name failed"
+ fi
+ fi
+}
+
_procd_call() {
local old_cb
}
_procd_wrapper() {
+ procd_lock
while [ -n "$1" ]; do
eval "$1() { _procd_call _$1 \"\$@\"; }"
shift
_procd_ubus_call() {
local cmd="$1"
+ [ -n "$PROCD_DEBUG" ] && json_dump >&2
ubus call service "$cmd" "$(json_dump)"
json_cleanup
}
_procd_open_trigger
service_triggers
_procd_close_trigger
- _procd_ubus_call set
+ _procd_open_data
+ service_data
+ _procd_close_data
+ _procd_ubus_call ${1:-set}
}
_procd_add_array_data() {
- while [ -n "$1" ]; do
+ while [ "$#" -gt 0 ]; do
json_add_string "" "$1"
shift
done
while [ -n "$1" ]; do
local var="${1%%=*}"
local val="${1#*=}"
- [[ "$1" == "$val" ]] && val=
+ [ "$1" = "$val" ] && val=
json_add_string "$var" "$val"
shift
done
_PROCD_INSTANCE_SEQ="$(($_PROCD_INSTANCE_SEQ + 1))"
name="${name:-instance$_PROCD_INSTANCE_SEQ}"
json_add_object "$name"
+ [ -n "$TRACE_SYSCALLS" ] && json_add_boolean trace "1"
}
_procd_open_trigger() {
+ let '_procd_trigger_open = _procd_trigger_open + 1'
+ [ "$_procd_trigger_open" -gt 1 ] && return
json_add_array "triggers"
}
+_procd_close_trigger() {
+ let '_procd_trigger_open = _procd_trigger_open - 1'
+ [ "$_procd_trigger_open" -lt 1 ] || return
+ json_close_array
+}
+
+_procd_open_data() {
+ let '_procd_data_open = _procd_data_open + 1'
+ [ "$_procd_data_open" -gt 1 ] && return
+ json_add_object "data"
+}
+
+_procd_close_data() {
+ let '_procd_data_open = _procd_data_open - 1'
+ [ "$_procd_data_open" -lt 1 ] || return
+ json_close_object
+}
+
+_procd_open_validate() {
+ json_select ..
+ json_add_array "validate"
+}
+
+_procd_close_validate() {
+ json_close_array
+ json_select triggers
+}
+
+_procd_add_jail() {
+ json_add_object "jail"
+ json_add_string name "$1"
+
+ shift
+
+ for a in $@; do
+ case $a in
+ log) json_add_boolean "log" "1";;
+ ubus) json_add_boolean "ubus" "1";;
+ procfs) json_add_boolean "procfs" "1";;
+ sysfs) json_add_boolean "sysfs" "1";;
+ ronly) json_add_boolean "ronly" "1";;
+ esac
+ done
+ json_add_object "mount"
+ json_close_object
+ json_close_object
+}
+
+_procd_add_jail_mount() {
+ local _json_no_warning=1
+
+ json_select "jail"
+ [ $? = 0 ] || return
+ json_select "mount"
+ [ $? = 0 ] || {
+ json_select ..
+ return
+ }
+ for a in $@; do
+ json_add_string "$a" "0"
+ done
+ json_select ..
+ json_select ..
+}
+
+_procd_add_jail_mount_rw() {
+ local _json_no_warning=1
+
+ json_select "jail"
+ [ $? = 0 ] || return
+ json_select "mount"
+ [ $? = 0 ] || {
+ json_select ..
+ return
+ }
+ for a in $@; do
+ json_add_string "$a" "1"
+ done
+ json_select ..
+ json_select ..
+}
+
_procd_set_param() {
local type="$1"; shift
case "$type" in
- env|data)
+ env|data|limits)
_procd_add_table "$type" "$@"
;;
- command|netdev|file|respawn)
+ command|netdev|file|respawn|watch)
_procd_add_array "$type" "$@"
;;
- nice)
+ error)
+ json_add_array "$type"
+ json_add_string "" "$@"
+ json_close_array
+ ;;
+ nice|term_timeout)
json_add_int "$type" "$1"
;;
+ reload_signal)
+ json_add_int "$type" $(kill -l "$1")
+ ;;
+ pidfile|user|group|seccomp|capabilities|facility)
+ json_add_string "$type" "$1"
+ ;;
+ stdout|stderr|no_new_privs)
+ json_add_boolean "$type" "$1"
+ ;;
esac
}
-_procd_add_config_trigger() {
+_procd_add_timeout() {
+ [ "$PROCD_RELOAD_DELAY" -gt 0 ] && json_add_int "" "$PROCD_RELOAD_DELAY"
+ return 0
+}
+
+_procd_add_interface_trigger() {
json_add_array
- _procd_add_array_data "config.change"
+ _procd_add_array_data "$1"
+ shift
json_add_array
_procd_add_array_data "if"
json_add_array
- _procd_add_array_data "eq" "package" "$1"
+ _procd_add_array_data "eq" "interface" "$1"
shift
json_close_array
json_close_array
json_close_array
-
+ _procd_add_timeout
json_close_array
}
-_procd_add_reload_trigger() {
+_procd_add_reload_interface_trigger() {
local script=$(readlink "$initscript")
local name=$(basename ${script:-$initscript})
- _procd_add_config_trigger $1 /etc/init.d/$name reload
+ _procd_open_trigger
+ _procd_add_interface_trigger "interface.*" $1 /etc/init.d/$name reload
+ _procd_close_trigger
+}
+
+_procd_add_config_trigger() {
+ json_add_array
+ _procd_add_array_data "$1"
+ shift
+
+ json_add_array
+ _procd_add_array_data "if"
+
+ json_add_array
+ _procd_add_array_data "eq" "package" "$1"
+ shift
+ json_close_array
+
+ json_add_array
+ _procd_add_array_data "run_script" "$@"
+ json_close_array
+
+ json_close_array
+ _procd_add_timeout
+ json_close_array
+}
+
+_procd_add_raw_trigger() {
+ json_add_array
+ _procd_add_array_data "$1"
+ shift
+ local timeout=$1
+ shift
+
+ json_add_array
+ json_add_array
+ _procd_add_array_data "run_script" "$@"
+ json_close_array
+ json_close_array
+
+ json_add_int "" "$timeout"
+
+ json_close_array
}
_procd_add_reload_trigger() {
local script=$(readlink "$initscript")
local name=$(basename ${script:-$initscript})
+ local file
- _procd_add_config_trigger $1 /etc/init.d/$name reload
+ _procd_open_trigger
+ for file in "$@"; do
+ _procd_add_config_trigger "config.change" "$file" /etc/init.d/$name reload
+ done
+ _procd_close_trigger
+}
+
+_procd_add_validation() {
+ _procd_open_validate
+ $@
+ _procd_close_validate
}
_procd_append_param() {
local type="$1"; shift
+ local _json_no_warning=1
json_select "$type"
+ [ $? = 0 ] || {
+ _procd_set_param "$type" "$@"
+ return
+ }
case "$type" in
- env|data)
+ env|data|limits)
_procd_add_table_data "$@"
;;
- command|netdev|file|respawn)
+ command|netdev|file|respawn|watch)
_procd_add_array_data "$@"
;;
+ error)
+ json_add_string "" "$@"
+ ;;
esac
json_select ..
}
_procd_close_instance() {
- json_close_object
-}
+ local respawn_vals
+ _json_no_warning=1
+ if json_select respawn ; then
+ json_get_values respawn_vals
+ if [ -z "$respawn_vals" ]; then
+ local respawn_threshold=$(uci_get system.@service[0].respawn_threshold)
+ local respawn_timeout=$(uci_get system.@service[0].respawn_timeout)
+ local respawn_retry=$(uci_get system.@service[0].respawn_retry)
+ _procd_add_array_data ${respawn_threshold:-3600} ${respawn_timeout:-5} ${respawn_retry:-5}
+ fi
+ json_select ..
+ fi
-_procd_close_trigger() {
- json_close_array
+ json_close_object
}
_procd_add_instance() {
_procd_close_instance
}
+procd_running() {
+ local service="$1"
+ local instance="${2:-instance1}"
+ local running
+
+ json_init
+ json_add_string name "$service"
+ running=$(_procd_ubus_call list | jsonfilter -e "@.$service.instances.${instance}.running")
+
+ [ "$running" = "true" ]
+}
+
_procd_kill() {
local service="$1"
local instance="$2"
_procd_ubus_call delete
}
+_procd_send_signal() {
+ local service="$1"
+ local instance="$2"
+ local signal="$3"
+
+ case "$signal" in
+ [A-Z]*) signal="$(kill -l "$signal" 2>/dev/null)" || return 1;;
+ esac
+
+ json_init
+ json_add_string name "$service"
+ [ -n "$instance" -a "$instance" != "*" ] && json_add_string instance "$instance"
+ [ -n "$signal" ] && json_add_int signal "$signal"
+ _procd_ubus_call signal
+}
+
+_procd_status() {
+ local service="$1"
+ local instance="$2"
+ local data
+
+ json_init
+ [ -n "$service" ] && json_add_string name "$service"
+
+ data=$(_procd_ubus_call list | jsonfilter -e '@["'"$service"'"]')
+ [ -z "$data" ] && { echo "inactive"; return 3; }
+
+ data=$(echo "$data" | jsonfilter -e '$.instances')
+ if [ -z "$data" ]; then
+ [ -z "$instance" ] && { echo "active with no instances"; return 0; }
+ data="[]"
+ fi
+
+ [ -n "$instance" ] && instance="\"$instance\"" || instance='*'
+ if [ -z "$(echo "$data" | jsonfilter -e '$['"$instance"']')" ]; then
+ echo "unknown instance $instance"; return 4
+ else
+ echo "running"; return 0
+ fi
+}
+
+procd_open_data() {
+ local name="$1"
+ json_set_namespace procd __procd_old_cb
+ json_add_object data
+}
+
+procd_close_data() {
+ json_close_object
+ json_set_namespace $__procd_old_cb
+}
+
+_procd_set_config_changed() {
+ local package="$1"
+
+ json_init
+ json_add_string type config.change
+ json_add_object data
+ json_add_string package "$package"
+ json_close_object
+
+ ubus call service event "$(json_dump)"
+}
+
+procd_add_mdns_service() {
+ local service proto port
+ service=$1; shift
+ proto=$1; shift
+ port=$1; shift
+ json_add_object "${service}_$port"
+ json_add_string "service" "_$service._$proto.local"
+ json_add_int port "$port"
+ [ -n "$1" ] && {
+ json_add_array txt
+ for txt in "$@"; do json_add_string "" "$txt"; done
+ json_select ..
+ }
+ json_select ..
+}
+
+procd_add_mdns() {
+ procd_open_data
+ json_add_object "mdns"
+ procd_add_mdns_service "$@"
+ json_close_object
+ procd_close_data
+}
+
+uci_validate_section()
+{
+ local _package="$1"
+ local _type="$2"
+ local _name="$3"
+ local _result
+ local _error
+ shift; shift; shift
+ _result=`/sbin/validate_data "$_package" "$_type" "$_name" "$@" 2> /dev/null`
+ _error=$?
+ eval "$_result"
+ [ "$_error" = "0" ] || `/sbin/validate_data "$_package" "$_type" "$_name" "$@" 1> /dev/null`
+ return $_error
+}
+
+uci_load_validate() {
+ local _package="$1"
+ local _type="$2"
+ local _name="$3"
+ local _function="$4"
+ local _option
+ local _result
+ shift; shift; shift; shift
+ for _option in "$@"; do
+ eval "local ${_option%%:*}"
+ done
+ uci_validate_section "$_package" "$_type" "$_name" "$@"
+ _result=$?
+ [ -n "$_function" ] || return $_result
+ eval "$_function \"\$_name\" \"\$_result\""
+}
+
_procd_wrapper \
procd_open_service \
procd_close_service \
procd_add_instance \
+ procd_add_raw_trigger \
procd_add_config_trigger \
+ procd_add_interface_trigger \
procd_add_reload_trigger \
+ procd_add_reload_interface_trigger \
procd_open_trigger \
procd_close_trigger \
procd_open_instance \
procd_close_instance \
+ procd_open_validate \
+ procd_close_validate \
+ procd_add_jail \
+ procd_add_jail_mount \
+ procd_add_jail_mount_rw \
procd_set_param \
procd_append_param \
- procd_kill
+ procd_add_validation \
+ procd_set_config_changed \
+ procd_kill \
+ procd_send_signal
projects / openwrt / openwrt.git / blobdiff