logd: create log directory for log_file
[openwrt/openwrt.git] / package / system / ubox / files / log.init
1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2013 OpenWrt.org
3
4 # start after and stop before networking
5 START=12
6 STOP=89
7 PIDCOUNT=0
8
9 USE_PROCD=1
10 PROG=/sbin/logread
11
12 validate_log_section()
13 {
14 uci_validate_section system system "${1}" \
15 'log_file:string' \
16 'log_size:uinteger' \
17 'log_hostname:string' \
18 'log_ip:ipaddr' \
19 'log_remote:bool:1' \
20 'log_port:port:514' \
21 'log_proto:or("tcp", "udp"):udp' \
22 'log_trailer_null:bool:0' \
23 'log_prefix:string'
24 }
25
26 validate_log_daemon()
27 {
28 uci_validate_section system system "${1}" \
29 'log_size:uinteger:0' \
30 'log_buffer_size:uinteger:0'
31 }
32
33 start_service_daemon()
34 {
35 local log_buffer_size log_size
36 validate_log_daemon "${1}"
37 [ $log_buffer_size -eq 0 -a $log_size -gt 0 ] && log_buffer_size=$log_size
38 [ $log_buffer_size -eq 0 ] && log_buffer_size=64
39 procd_open_instance
40 procd_set_param command "/sbin/logd"
41 procd_append_param command -S "${log_buffer_size}"
42 procd_set_param respawn 5 1 -1
43 procd_close_instance
44 }
45
46 start_service_file()
47 {
48 PIDCOUNT="$(( ${PIDCOUNT} + 1))"
49 local pid_file="/var/run/logread.${PIDCOUNT}.pid"
50 local log_file log_size
51
52 validate_log_section "${1}" || {
53 echo "validation failed"
54 return 1
55 }
56 [ -z "${log_file}" ] && return
57
58 mkdir -p "$(dirname "${log_file}")"
59
60 procd_open_instance
61 procd_set_param command "$PROG" -f -F "$log_file" -p "$pid_file"
62 [ -n "${log_size}" ] && procd_append_param command -S "$log_size"
63 procd_close_instance
64 }
65
66 start_service_remote()
67 {
68 PIDCOUNT="$(( ${PIDCOUNT} + 1))"
69 local pid_file="/var/run/logread.${PIDCOUNT}.pid"
70 local log_ip log_port log_proto log_prefix log_remote log_trailer_null log_hostname
71
72 validate_log_section "${1}" || {
73 echo "validation failed"
74 return 1
75 }
76 [ "${log_remote}" -ne 0 ] || return
77 [ -z "${log_ip}" ] && return
78 [ -z "${log_hostname}" ] && log_hostname=$(cat /proc/sys/kernel/hostname)
79
80 procd_open_instance
81 procd_set_param command "$PROG" -f -h "$log_hostname" -r "$log_ip" "${log_port}" -p "$pid_file"
82 case "${log_proto}" in
83 "udp") procd_append_param command -u;;
84 "tcp") [ "${log_trailer_null}" -eq 1 ] && procd_append_param command -0;;
85 esac
86 [ -z "${log_prefix}" ] || procd_append_param command -P "${log_prefix}"
87 procd_close_instance
88 }
89
90 service_triggers()
91 {
92 procd_add_reload_trigger "system"
93 procd_add_validation validate_log_section
94 }
95
96 start_service()
97 {
98 config_load system
99 config_foreach start_service_daemon system
100 config_foreach start_service_file system
101 config_foreach start_service_remote system
102 }