| 1 |
# Copyright 1999-2004 Gentoo Foundation |
| 2 |
# Distributed under the terms of the GNU General Public License v2 |
| 3 |
|
| 4 |
# RC Dependency and misc service functions |
| 5 |
RC_GOT_SERVICES="yes" |
| 6 |
|
| 7 |
[[ ${RC_GOT_FUNCTIONS} != "yes" ]] && source /sbin/functions.sh |
| 8 |
|
| 9 |
if [[ ${RC_GOT_DEPTREE_INFO} != "yes" ]] ; then |
| 10 |
# Only try and update if we are root |
| 11 |
if [[ ${EUID} == "0" ]] && ! /sbin/depscan.sh ; then |
| 12 |
echo |
| 13 |
eerror "Error running '/sbin/depscan.sh'!" |
| 14 |
eerror "Please correct any problems above." |
| 15 |
exit 1 |
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fi |
| 17 |
|
| 18 |
source "${svcdir}/deptree" |
| 19 |
if [[ ${RC_GOT_DEPTREE_INFO} != "yes" ]] ; then |
| 20 |
echo |
| 21 |
eerror "Dependency info is missing! Please run" |
| 22 |
eerror " # /sbin/depscan.sh" |
| 23 |
eerror "to fix this." |
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exit 1 |
| 25 |
fi |
| 26 |
fi |
| 27 |
|
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##################### |
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# Internal variables |
| 30 |
##################### |
| 31 |
|
| 32 |
# The name of the service whose dependency info we currently have |
| 33 |
rc_name= |
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# The index of the service whose dependency info we currently have |
| 35 |
rc_index=0 |
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# Our dependency types ... |
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rc_ineed= |
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rc_needsme= |
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rc_iuse= |
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rc_usesme= |
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rc_ibefore= |
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rc_iafter= |
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rc_broken= |
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rc_mtime= |
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|
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############ |
| 47 |
# Functions |
| 48 |
############ |
| 49 |
|
| 50 |
# bool get_service_index(service, index) |
| 51 |
# |
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# Print the index of 'service'. 'index' is the current index. |
| 53 |
# |
| 54 |
get_service_index() { |
| 55 |
if [[ -z $1 || -z $2 ]] ; then |
| 56 |
echo "0" |
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return 1 |
| 58 |
fi |
| 59 |
|
| 60 |
local x myservice="$1" index="$2" |
| 61 |
|
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# Do we already have the index? |
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if [[ -n ${index} && ${index} -gt 0 \ |
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&& ${myservice} == "${RC_DEPEND_TREE[${index}]}" ]] ; then |
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echo "${index}" |
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return 0 |
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fi |
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|
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for (( x=1; x<=${RC_DEPEND_TREE[0]}; x++ )); do |
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index="$(( ${x} * ${rc_index_scale} ))" |
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if [[ ${myservice} == "${RC_DEPEND_TREE[${index}]}" ]] ; then |
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echo "${index}" |
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return 0 |
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fi |
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done |
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|
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echo "0" |
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return 1 |
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} |
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|
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# bool get_dep_info(service) |
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# |
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# Set the Dependency variables to contain data for 'service' |
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# |
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get_dep_info() { |
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[[ -z $1 ]] && return 1 |
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|
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local myservice="$1" |
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|
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# We already have the right stuff ... |
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[[ ${myservice} == "${rc_name}" && -n ${rc_mtime} ]] && return 0 |
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|
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rc_index="$(get_service_index "${myservice}" "${rc_index}")" |
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rc_mtime="${RC_DEPEND_TREE[$((${rc_index} + ${rc_type_mtime}))]}" |
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|
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# Verify that we have the correct index (rc_index) ... |
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# [[ ${rc_index} == "0" ]] && return 1 |
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|
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rc_name="${RC_DEPEND_TREE[${rc_index}]}" |
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rc_ineed="${RC_DEPEND_TREE[$((${rc_index} + ${rc_type_ineed}))]}" |
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rc_needsme="${RC_DEPEND_TREE[$((${rc_index} + ${rc_type_needsme}))]}" |
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rc_iuse="${RC_DEPEND_TREE[$((${rc_index} + ${rc_type_iuse}))]}" |
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rc_usesme="${RC_DEPEND_TREE[$((${rc_index} + ${rc_type_usesme}))]}" |
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rc_ibefore="${RC_DEPEND_TREE[$((${rc_index} + ${rc_type_ibefore}))]}" |
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rc_iafter="${RC_DEPEND_TREE[$((${rc_index} + ${rc_type_iafter}))]}" |
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rc_broken="${RC_DEPEND_TREE[$((${rc_index} + ${rc_type_broken}))]}" |
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rc_mtime="${RC_DEPEND_TREE[$((${rc_index} + ${rc_type_mtime}))]}" |
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return 0 |
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} |
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|
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# string check_dependency(deptype, service1) |
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# |
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# List all the services that depend on 'service1' of dependency |
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# type 'deptype' |
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# |
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# bool check_dependency(deptype, -t, service1, service2) |
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# |
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# Returns true if 'service2' is a dependency of type 'deptype' |
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# of 'service1' |
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# |
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check_dependency() { |
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[[ -z $1 || -z $2 ]] && return 1 |
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|
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local x myservice deps |
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|
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# Set the dependency variables to relate to 'service1' |
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if [[ $2 == "-t" ]] ; then |
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[[ -z $3 || -z $4 ]] && return 1 |
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myservice="$3" |
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else |
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myservice="$2" |
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fi |
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|
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if ! get_dep_info "${myservice}" >/dev/null ; then |
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eerror "Could not get dependency info for ${myservice}!" > /dev/stderr |
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eerror "Please run:" > /dev/stderr |
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eerror " # /sbin/depscan.sh" > /dev/stderr |
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eerror "to try and fix this." > /dev/stderr |
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return 1 |
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fi |
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|
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# Do we have valid info for 'deptype' ? |
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deps="rc_$1" |
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[[ -z ${!deps} ]] && return 1 |
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|
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if [[ $2 == "-t" && -n $4 ]]; then |
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# Check if 'service1' have 'deptype' dependency on 'service2' |
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for x in ${!deps} ; do |
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[[ ${x} == "$4" ]] && return 0 |
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done |
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return 1 |
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else |
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# Just list all services that 'service1' have 'deptype' dependency on. |
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echo "${!deps}" |
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return 0 |
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fi |
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} |
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|
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# Same as for check_dependency, except 'deptype' is set to |
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# 'ineed'. It will return all the services 'service1' NEED's. |
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ineed() { |
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check_dependency ineed "$@" |
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} |
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|
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# Same as for check_dependency, except 'deptype' is set to |
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# 'needsme'. It will return all the services that NEED 'service1'. |
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needsme() { |
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check_dependency needsme "$@" |
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} |
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|
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# Same as for check_dependency, except 'deptype' is set to |
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# 'iuse'. It will return all the services 'service1' USE's. |
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iuse() { |
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check_dependency iuse "$@" |
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} |
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|
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# Same as for check_dependency, except 'deptype' is set to |
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# 'usesme'. It will return all the services that USE 'service1'. |
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usesme() { |
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check_dependency usesme "$@" |
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} |
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|
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# Same as for check_dependency, except 'deptype' is set to |
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# 'ibefore'. It will return all the services that are started |
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# *after* 'service1' (iow, it will start 'service1' before the |
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# list of services returned). |
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ibefore() { |
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check_dependency ibefore "$@" |
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} |
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|
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# Same as for check_dependency, except 'deptype' is set to |
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# 'iafter'. It will return all the services that are started |
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# *before* 'service1' (iow, it will start 'service1' after the |
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# list of services returned). |
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iafter() { |
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check_dependency iafter "$@" |
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} |
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|
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# Same as for check_dependency, except 'deptype' is set to |
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# 'broken'. It will return all the services that 'service1' |
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# NEED, but are not present. |
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broken() { |
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check_dependency broken "$@" |
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} |
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|
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# bool is_fake_service(service, runlevel) |
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# |
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# Returns ture if 'service' is a fake service in 'runlevel'. |
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# |
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is_fake_service() { |
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local x fake_services |
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|
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[[ -z $1 || -z $2 ]] && return 1 |
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|
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[[ $2 != "${BOOTLEVEL}" && -e /etc/runlevels/"${BOOTLEVEL}"/.fake ]] && \ |
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fake_services="$( < /etc/runlevels/"${BOOTLEVEL}"/.fake )" |
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|
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[[ -e /etc/runlevels/"$2"/.fake ]] && \ |
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fake_services="${fake_services} $( < /etc/runlevels/"$2"/.fake )" |
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|
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for x in ${fake_services} ; do |
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[[ $1 == "${x##*/}" ]] && return 0 |
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done |
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|
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return 1 |
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} |
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|
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# bool in_runlevel(service, runlevel) |
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# |
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# Returns true if 'service' is in runlevel 'runlevel'. |
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# |
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in_runlevel() { |
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[[ -z $1 || -z $2 ]] && return 1 |
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|
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[[ -L "/etc/runlevels/$2/$1" ]] && return 0 |
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|
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return 1 |
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} |
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|
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# bool is_runlevel_start() |
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# |
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# Returns true if it is a runlevel change, and we are busy |
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# starting services. |
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# |
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is_runlevel_start() { |
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[[ -d "${svcdir}/softscripts.old" ]] |
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} |
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|
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# bool is_runlevel_stop() |
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# |
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# Returns true if it is a runlevel change, and we are busy |
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# stopping services. |
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# |
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is_runlevel_stop() { |
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[[ -d "${svcdir}/softscripts.new" ]] |
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} |
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|
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# void save_options(char *option, char *optstring) |
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# |
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# save the settings ("optstring") for "option" |
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# |
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save_options() { |
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local myopts="$1" |
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|
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shift |
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if [[ ! -d "${svcdir}/options/${SVCNAME}" ]] ; then |
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mkdir -p -m 0755 "${svcdir}/options/${SVCNAME}" |
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fi |
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|
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echo "$*" > "${svcdir}/options/${SVCNAME}/${myopts}" |
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} |
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|
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# char *get_options(char *option) |
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# |
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# get the "optstring" for "option" that was saved |
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# by calling the save_options function |
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# |
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get_options() { |
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local svc="${SVCNAME}" |
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[[ -n $2 ]] && svc="$2" |
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|
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if [[ -f "${svcdir}/options/${svc}/$1" ]] ; then |
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echo "$(< ${svcdir}/options/${svc}/$1)" |
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fi |
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} |
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|
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# void sevice_message([char *type] char *message) |
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# |
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# Print out a service message if we are on parallel |
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service_message() { |
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[[ ${RC_PARALLEL_STARTUP} != "yes" || ${RC_QUIET} == "yes" ]] && return |
| 292 |
|
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local cmd="einfo" |
| 294 |
case "$1" in |
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1|error|eerror) |
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cmd="eerror" |
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shift |
| 298 |
;; |
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ewarn) |
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cmd="ewarn" |
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shift |
| 302 |
;; |
| 303 |
esac |
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|
| 305 |
local r="${RC_QUIET_STDOUT}" |
| 306 |
RC_QUIET_STDOUT="no" |
| 307 |
${cmd} "$@" |
| 308 |
RC_QUIET_STDOUT="${r}" |
| 309 |
} |
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|
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# bool begin_service( service ) |
| 312 |
# |
| 313 |
# atomically marks the service as being executed |
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# use like this: |
| 315 |
# |
| 316 |
# if begin_service service ; then |
| 317 |
# whatever is in here can only be executed by one process |
| 318 |
# end_service service |
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# fi |
| 320 |
begin_service() { |
| 321 |
local service="$1" |
| 322 |
[[ -z ${service} ]] && return 1 |
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|
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[[ ${START_CRITICAL} == "yes" || ${STOP_CRITICAL} == "yes" ]] && return 0 |
| 325 |
|
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mkfifo "${svcdir}/exclusive/${service}" 2> /dev/null |
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} |
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|
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# void end_service(service, exitcode) |
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# |
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# stops executing a exclusive region and |
| 332 |
# wakes up anybody who is waiting for the exclusive region |
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# |
| 334 |
end_service() { |
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local service="$1" exitstatus="$2" |
| 336 |
[[ -z ${service} ]] && return |
| 337 |
|
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# if we are doing critical services, there is no fifo |
| 339 |
[[ ${START_CRITICAL} == "yes" || ${STOP_CRITICAL} == "yes" ]] && return |
| 340 |
|
| 341 |
if [[ -n ${exitstatus} ]] ; then |
| 342 |
echo "${exitstatus}" > "${svcdir}/exitcodes/${service}" |
| 343 |
fi |
| 344 |
|
| 345 |
# move the fifo to a unique name so no-one is waiting for it |
| 346 |
local fifo="${svcdir}/exclusive/${service}" |
| 347 |
if [[ -e ${fifo} ]] ; then |
| 348 |
local tempname="${fifo}.$$" |
| 349 |
mv -f "${fifo}" "${tempname}" |
| 350 |
|
| 351 |
# wake up anybody that was waiting for the fifo |
| 352 |
touch "${tempname}" |
| 353 |
|
| 354 |
# We dont need the fifo anymore |
| 355 |
rm -f "${tempname}" |
| 356 |
fi |
| 357 |
} |
| 358 |
|
| 359 |
# int wait_service(service) |
| 360 |
# |
| 361 |
# If a service has started, or a fifo does not exist return 0 |
| 362 |
# Otherwise, wait until we get an exit code via the fifo and return |
| 363 |
# that instead. |
| 364 |
wait_service() { |
| 365 |
local service="$1" |
| 366 |
local fifo="${svcdir}/exclusive/${service}" |
| 367 |
|
| 368 |
[[ ${START_CRITICAL} == "yes" || ${STOP_CRITICAL} == "yes" ]] && return 0 |
| 369 |
[[ ! -e ${fifo} ]] && return 0 |
| 370 |
|
| 371 |
# This will block until the service fifo is touched |
| 372 |
# Otheriwse we don't block |
| 373 |
# We need to use cat instead of the bash inbuilt < so we don't see errors |
| 374 |
local tmp="$( cat "${fifo}" 2>/dev/null )" |
| 375 |
local exitstatus="$( < "${svcdir}/exitcodes/${service}" )" |
| 376 |
|
| 377 |
return "${exitstatus}" |
| 378 |
} |
| 379 |
|
| 380 |
# int start_service(service) |
| 381 |
# |
| 382 |
# Start 'service' if it is not already running. |
| 383 |
# |
| 384 |
start_service() { |
| 385 |
local service="$1" |
| 386 |
[[ -z ${service} ]] && return 1 |
| 387 |
|
| 388 |
if [[ ! -e "/etc/init.d/${service}" ]] ; then |
| 389 |
mark_service_stopped "${service}" |
| 390 |
return 1 |
| 391 |
fi |
| 392 |
|
| 393 |
service_starting "${service}" && return 0 |
| 394 |
service_started "${service}" && return 0 |
| 395 |
service_inactive "${service}" && return 1 |
| 396 |
|
| 397 |
if is_fake_service "${service}" "${SOFTLEVEL}" ; then |
| 398 |
mark_service_started "${service}" |
| 399 |
splash "svc_start" "${service}" |
| 400 |
splash "svc_started" "${service}" "0" |
| 401 |
return 0 |
| 402 |
fi |
| 403 |
|
| 404 |
begin_service "${service}" || return 0 |
| 405 |
splash "svc_start" "${service}" |
| 406 |
if [[ ${RC_PARALLEL_STARTUP} != "yes" || \ |
| 407 |
${START_CRITICAL} == "yes" ]] ; then |
| 408 |
# if we can not start the services in parallel |
| 409 |
# then just start it and return the exit status |
| 410 |
( "/etc/init.d/${service}" start ) |
| 411 |
service_started "${service}" || service_inactive "${service}" |
| 412 |
retval=$? |
| 413 |
end_service "${service}" "${retval}" |
| 414 |
splash "svc_started" "${service}" "${retval}" |
| 415 |
return "${retval}" |
| 416 |
else |
| 417 |
# if parallel startup is allowed, start it in background |
| 418 |
( |
| 419 |
"/etc/init.d/${service}" start |
| 420 |
service_started "${service}" || service_inactive "${service}" |
| 421 |
retval=$? |
| 422 |
end_service "${service}" "${retval}" |
| 423 |
splash "svc_started" "${service}" "${retval}" |
| 424 |
) & |
| 425 |
return 0 |
| 426 |
fi |
| 427 |
} |
| 428 |
|
| 429 |
# int stop_service(service) |
| 430 |
# |
| 431 |
# Stop 'service' if it is not already running. |
| 432 |
# |
| 433 |
stop_service() { |
| 434 |
local service="$1" |
| 435 |
[[ -z ${service} ]] && return 1 |
| 436 |
|
| 437 |
if [[ ! -e "/etc/init.d/${service}" ]] ; then |
| 438 |
mark_service_stopped "${service}" |
| 439 |
return 0 |
| 440 |
fi |
| 441 |
|
| 442 |
service_stopping "${service}" && return 0 |
| 443 |
service_stopped "${service}" && return 0 |
| 444 |
|
| 445 |
local level="${SOFTLEVEL}" |
| 446 |
is_runlevel_stop && level="${OLDSOFTLEVEL}" |
| 447 |
|
| 448 |
if is_fake_service "${service}" "${level}" ; then |
| 449 |
splash "svc_stop" "${service}" |
| 450 |
mark_service_stopped "${service}" |
| 451 |
splash "svc_stopped" "${service}" "0" |
| 452 |
return 0 |
| 453 |
fi |
| 454 |
|
| 455 |
begin_service "${service}" || return 0 |
| 456 |
|
| 457 |
splash "svc_stop" "${service}" |
| 458 |
if [[ ${RC_PARALLEL_STARTUP} != "yes" || \ |
| 459 |
${STOP_CRITICAL} == "yes" ]] ; then |
| 460 |
# if we can not start the services in parallel |
| 461 |
# then just start it and return the exit status |
| 462 |
( "/etc/init.d/${service}" stop ) |
| 463 |
service_stopped "${service}" |
| 464 |
retval=$? |
| 465 |
end_service "${service}" "${retval}" |
| 466 |
splash "svc_stopped" "${service}" "${retval}" |
| 467 |
return "${retval}" |
| 468 |
else |
| 469 |
# if parallel startup is allowed, start it in background |
| 470 |
( |
| 471 |
( "/etc/init.d/${service}" stop ) |
| 472 |
service_stopped "${service}" |
| 473 |
retval=$? |
| 474 |
end_service "${service}" "${retval}" |
| 475 |
splash "svc_stopped" "${service}" "${retval}" |
| 476 |
) & |
| 477 |
return 0 |
| 478 |
fi |
| 479 |
} |
| 480 |
|
| 481 |
# bool mark_service_coldplugged(service) |
| 482 |
# |
| 483 |
# Mark 'service' as coldplugged. |
| 484 |
# |
| 485 |
mark_service_coldplugged() { |
| 486 |
[[ -z $1 ]] && return 1 |
| 487 |
|
| 488 |
ln -snf "/etc/init.d/$1" "${svcdir}/coldplugged/$1" |
| 489 |
return 0 |
| 490 |
} |
| 491 |
|
| 492 |
# bool mark_service_starting(service) |
| 493 |
# |
| 494 |
# Mark 'service' as starting. |
| 495 |
# |
| 496 |
mark_service_starting() { |
| 497 |
[[ -z $1 ]] && return 1 |
| 498 |
|
| 499 |
ln -sn "/etc/init.d/$1" "${svcdir}/starting/$1" 2>/dev/null || return 1 |
| 500 |
|
| 501 |
[[ -f "${svcdir}/started/$1" ]] && rm -f "${svcdir}/started/$1" |
| 502 |
[[ -f "${svcdir}/inactive/$1" ]] \ |
| 503 |
&& mv "${svcdir}/inactive/$1" "${svcdir}/wasinactive/$1" |
| 504 |
return 0 |
| 505 |
} |
| 506 |
|
| 507 |
# bool mark_service_started(service) |
| 508 |
# |
| 509 |
# Mark 'service' as started. |
| 510 |
# |
| 511 |
mark_service_started() { |
| 512 |
[[ -z $1 ]] && return 1 |
| 513 |
|
| 514 |
ln -snf "/etc/init.d/$1" "${svcdir}/started/$1" |
| 515 |
|
| 516 |
rm -f "${svcdir}/starting/$1" "${svcdir}/inactive/$1" \ |
| 517 |
"${svcdir}/wasinactive/$1" "${svcdir}/stopping/$1" \ |
| 518 |
"${svcdir}"/scheduled/*/"$1" |
| 519 |
|
| 520 |
return 0 |
| 521 |
} |
| 522 |
|
| 523 |
# bool mark_service_inactive(service) |
| 524 |
# |
| 525 |
# Mark service as inactive |
| 526 |
# |
| 527 |
mark_service_inactive() { |
| 528 |
[[ -z $1 ]] && return 1 |
| 529 |
|
| 530 |
ln -snf "/etc/init.d/$1" "${svcdir}/inactive/$1" |
| 531 |
|
| 532 |
rm -f "${svcdir}/started/$1" "${svcdir}/wasinactive/$1" \ |
| 533 |
"${svcdir}/starting/$1" "${svcdir}/stopping/$1" |
| 534 |
|
| 535 |
return 0 |
| 536 |
} |
| 537 |
|
| 538 |
# bool mark_service_stopping(service) |
| 539 |
# |
| 540 |
# Mark 'service' as stopping. |
| 541 |
# |
| 542 |
mark_service_stopping() { |
| 543 |
[[ -z $1 ]] && return 1 |
| 544 |
|
| 545 |
ln -sn "/etc/init.d/$1" "${svcdir}/stopping/$1" 2>/dev/null || return 1 |
| 546 |
|
| 547 |
rm -f "${svcdir}/started/$1" |
| 548 |
[[ -f "${svcdir}/inactive/$1" ]] \ |
| 549 |
&& mv "${svcdir}/inactive/$1" "${svcdir}/wasinactive/$1" |
| 550 |
|
| 551 |
return 0 |
| 552 |
} |
| 553 |
|
| 554 |
# bool mark_service_stopped(service) |
| 555 |
# |
| 556 |
# Mark 'service' as stopped. |
| 557 |
# |
| 558 |
mark_service_stopped() { |
| 559 |
[[ -z $1 ]] && return 1 |
| 560 |
|
| 561 |
rm -Rf "${svcdir}/daemons/$1" "${svcdir}/starting/$1" \ |
| 562 |
"${svcdir}/started/$1" "${svcdir}/inactive/$1" \ |
| 563 |
"${svcdir}/wasinactive/$1" "${svcdir}/stopping/$1" \ |
| 564 |
"${svcdir}/scheduled/$1" "${svcdir}/options/$1" \ |
| 565 |
"${svcdir}/coldplugged/$1" |
| 566 |
|
| 567 |
return 0 |
| 568 |
} |
| 569 |
|
| 570 |
# bool test_service_state(char *service, char *state) |
| 571 |
# |
| 572 |
# Returns 0 if the service link exists and points to a file, otherwise 1 |
| 573 |
# If 1 then the link is erased if it exists |
| 574 |
test_service_state() { |
| 575 |
[[ -z $1 || -z $2 ]] && return 1 |
| 576 |
|
| 577 |
local f="${svcdir}/$2/$1" |
| 578 |
|
| 579 |
# Service is in the state requested |
| 580 |
[[ -L ${f} ]] && return 0 |
| 581 |
|
| 582 |
[[ ! -e ${f} ]] && rm -f "${f}" |
| 583 |
return 1 |
| 584 |
} |
| 585 |
|
| 586 |
# bool service_coldplugged(service) |
| 587 |
# |
| 588 |
# Returns true if 'service' is coldplugged |
| 589 |
# |
| 590 |
service_coldplugged() { |
| 591 |
test_service_state "$1" "coldplugged" |
| 592 |
} |
| 593 |
|
| 594 |
# bool service_starting(service) |
| 595 |
# |
| 596 |
# Returns true if 'service' is starting |
| 597 |
# |
| 598 |
service_starting() { |
| 599 |
test_service_state "$1" "starting" |
| 600 |
} |
| 601 |
|
| 602 |
# bool service_started(service) |
| 603 |
# |
| 604 |
# Returns true if 'service' is started |
| 605 |
# |
| 606 |
service_started() { |
| 607 |
test_service_state "$1" "started" |
| 608 |
} |
| 609 |
|
| 610 |
# bool service_inactive(service) |
| 611 |
# |
| 612 |
# Returns true if 'service' is inactive |
| 613 |
# |
| 614 |
service_inactive() { |
| 615 |
test_service_state "$1" "inactive" |
| 616 |
} |
| 617 |
|
| 618 |
# bool service_wasinactive(service) |
| 619 |
# |
| 620 |
# Returns true if 'service' is inactive |
| 621 |
# |
| 622 |
service_wasinactive() { |
| 623 |
test_service_state "$1" "wasinactive" |
| 624 |
} |
| 625 |
|
| 626 |
# bool service_stopping(service) |
| 627 |
# |
| 628 |
# Returns true if 'service' is stopping |
| 629 |
# |
| 630 |
service_stopping() { |
| 631 |
test_service_state "$1" "stopping" |
| 632 |
} |
| 633 |
|
| 634 |
# bool service_stopped(service) |
| 635 |
# |
| 636 |
# Returns true if 'service' is stopped |
| 637 |
# |
| 638 |
service_stopped() { |
| 639 |
[[ -z $1 ]] && return 1 |
| 640 |
|
| 641 |
service_starting "$1" && return 1 |
| 642 |
service_started "$1" && return 1 |
| 643 |
service_stopping "$1" && return 1 |
| 644 |
service_inactive "$1" && return 1 |
| 645 |
|
| 646 |
return 0 |
| 647 |
} |
| 648 |
|
| 649 |
# bool mark_service_failed(service) |
| 650 |
# |
| 651 |
# Mark service as failed for current runlevel. Note that |
| 652 |
# this is only valid on runlevel change ... |
| 653 |
# |
| 654 |
mark_service_failed() { |
| 655 |
[[ -z $1 || ! -d "${svcdir}/failed" ]] && return 1 |
| 656 |
|
| 657 |
ln -snf "/etc/init.d/$1" "${svcdir}/failed/$1" |
| 658 |
} |
| 659 |
|
| 660 |
# bool service_failed(service) |
| 661 |
# |
| 662 |
# Return true if 'service' have failed during this runlevel. |
| 663 |
# |
| 664 |
service_failed() { |
| 665 |
[[ -n $1 && -L "${svcdir}/failed/$1" ]] |
| 666 |
} |
| 667 |
|
| 668 |
# bool service_started_daemon(char *interface, char *daemon, int index) |
| 669 |
# Returns 0 if the service started the given daemon |
| 670 |
# via start-stop-daemon, otherwise 1. |
| 671 |
# If index is emtpy, then we don't care what the first daemon launched |
| 672 |
# was, otherwise the daemon must also be at that index |
| 673 |
service_started_daemon() { |
| 674 |
local service="$1" daemon="$2" index="${3:-[0-9]*}" |
| 675 |
local daemonfile="${svcdir}/daemons/${service}" |
| 676 |
|
| 677 |
[[ ! -e ${daemonfile} ]] && return 1 |
| 678 |
grep -q '^RC_DAEMONS\['"${index}"'\]="'${daemon}'"$' "${daemonfile}" |
| 679 |
} |
| 680 |
|
| 681 |
# bool net_service(service) |
| 682 |
# |
| 683 |
# Returns true if 'service' is a service controlling a network interface |
| 684 |
# |
| 685 |
net_service() { |
| 686 |
[[ -n $1 && ${1%%.*} == "net" && ${1#*.} != "$1" ]] |
| 687 |
} |
| 688 |
|
| 689 |
# bool is_net_up() |
| 690 |
# |
| 691 |
# Return true if service 'net' is considered up, else false. |
| 692 |
# |
| 693 |
# Notes for RC_NET_STRICT_CHECKING values: |
| 694 |
# none net is up without checking anything - usefull for vservers |
| 695 |
# lo Interface 'lo' is counted and if only it is up, net is up. |
| 696 |
# no Interface 'lo' is not counted, and net is down even with it up, |
| 697 |
# so there have to be at least one other interface up. |
| 698 |
# yes All interfaces must be up. |
| 699 |
is_net_up() { |
| 700 |
local netcount=0 |
| 701 |
|
| 702 |
case "${RC_NET_STRICT_CHECKING}" in |
| 703 |
none) |
| 704 |
return 0 |
| 705 |
;; |
| 706 |
lo) |
| 707 |
netcount="$(ls -1 "${svcdir}"/started/net.* 2> /dev/null | \ |
| 708 |
egrep -c "\/net\..*$")" |
| 709 |
;; |
| 710 |
*) |
| 711 |
netcount="$(ls -1 "${svcdir}"/started/net.* 2> /dev/null | \ |
| 712 |
grep -v 'net\.lo' | egrep -c "\/net\..*$")" |
| 713 |
;; |
| 714 |
esac |
| 715 |
|
| 716 |
# Only worry about net.* services if this is the last one running, |
| 717 |
# or if RC_NET_STRICT_CHECKING is set ... |
| 718 |
if [[ ${netcount} -lt 1 || ${RC_NET_STRICT_CHECKING} == "yes" ]] ; then |
| 719 |
return 1 |
| 720 |
fi |
| 721 |
|
| 722 |
return 0 |
| 723 |
} |
| 724 |
|
| 725 |
# bool dependon(service1, service2) |
| 726 |
# |
| 727 |
# Does service1 depend (NEED or USE) on service2 ? |
| 728 |
# |
| 729 |
dependon() { |
| 730 |
ineed -t "$1" "$2" || iuse -t "$1" "$2" |
| 731 |
} |
| 732 |
|
| 733 |
# string validi(use/after, service) |
| 734 |
# |
| 735 |
# This is the main code for valid_after and valid_iuse |
| 736 |
# No point in writing it twice! |
| 737 |
valid_i() { |
| 738 |
local x |
| 739 |
# Just set to dummy for now (don't know if $svcdir/softlevel exists yet). |
| 740 |
local mylevel="${BOOTLEVEL}" |
| 741 |
|
| 742 |
[[ $1 != "after" && $1 != "use" ]] && return 1 |
| 743 |
|
| 744 |
# Cannot be SOFTLEVEL, as we need to know current runlevel |
| 745 |
[[ -f "${svcdir}/softlevel" ]] && mylevel=$( < "${svcdir}/softlevel" ) |
| 746 |
|
| 747 |
for x in $( i$1 "$2" ) ; do |
| 748 |
[[ -e "/etc/runlevels/${BOOTLEVEL}/${x}" || \ |
| 749 |
-e "/etc/runlevels/${mylevel}/${x}" || \ |
| 750 |
${x} == "net" ]] \ |
| 751 |
&& echo "${x}" |
| 752 |
done |
| 753 |
return 0 |
| 754 |
} |
| 755 |
|
| 756 |
# string valid_iuse(service) |
| 757 |
# |
| 758 |
# This will only give the valid use's for the service |
| 759 |
# (they must be in the boot or current runlevel) |
| 760 |
# |
| 761 |
valid_iuse() { |
| 762 |
valid_i "use" "$1" |
| 763 |
} |
| 764 |
|
| 765 |
#string valid_iafter(service) |
| 766 |
# |
| 767 |
# Valid services for current or boot rc level that should start |
| 768 |
# before 'service' |
| 769 |
# |
| 770 |
valid_iafter() { |
| 771 |
valid_i "after" "$1" |
| 772 |
} |
| 773 |
|
| 774 |
# string trace_dependencies(service[s]) |
| 775 |
# |
| 776 |
# Get and sort the dependencies of given service[s]. |
| 777 |
# |
| 778 |
trace_dependencies() { |
| 779 |
local -a services=( "$@" ) net_deps=() |
| 780 |
local i= j= net_services= x= |
| 781 |
|
| 782 |
if [[ $1 == -* ]]; then |
| 783 |
deptype="${1/-/}" |
| 784 |
if net_service "${SVCNAME}" ; then |
| 785 |
services=( "net" "${SVCNAME}" ) |
| 786 |
else |
| 787 |
services=( "${SVCNAME}" ) |
| 788 |
fi |
| 789 |
fi |
| 790 |
|
| 791 |
if is_net_up || is_runlevel_stop ; then |
| 792 |
for x in $(dolisting "${svcdir}/started/net.*") \ |
| 793 |
$(dolisting "${svcdir}/inactive/net.*") ; do |
| 794 |
net_services="${net_services} ${x##*/}" |
| 795 |
done |
| 796 |
else |
| 797 |
for x in $(dolisting "/etc/runlevels/${BOOTLEVEL}/net.*") \ |
| 798 |
$(dolisting "/etc/runlevels/${SOFTLEVEL}/net.*") ; do |
| 799 |
net_services="${net_services} ${x##*/}" |
| 800 |
done |
| 801 |
fi |
| 802 |
|
| 803 |
# Cache the generic "net" depends |
| 804 |
net_deps=( $( ineed net ) $( valid_iuse net ) ) |
| 805 |
if is_runlevel_start || is_runlevel_stop ; then |
| 806 |
net_deps=( "${net_deps[@]}" $( valid_iafter net ) ) |
| 807 |
fi |
| 808 |
|
| 809 |
# OK, this is a topological sort |
| 810 |
# The bonus about doing it in bash is that we can calculate our sort |
| 811 |
# order as we calculate our dependencies |
| 812 |
local -a visited sorted |
| 813 |
visit_service() { |
| 814 |
local service="$1" dep x |
| 815 |
local -a deps |
| 816 |
|
| 817 |
[[ " ${visited[@]} " == *" ${service} "* ]] && return |
| 818 |
visited=( "${visited[@]}" "${service}" ) |
| 819 |
|
| 820 |
if [[ -n ${deptype} ]] ; then |
| 821 |
deps=( $( "${deptype}" "${service}" ) ) |
| 822 |
else |
| 823 |
deps=( $( ineed "${service}" ) $( valid_iuse "${service}" ) ) |
| 824 |
if is_runlevel_start || is_runlevel_stop ; then |
| 825 |
deps=( "${deps[@]}" $( valid_iafter "${service}" ) ) |
| 826 |
fi |
| 827 |
|
| 828 |
# If we're a net service, we have to get deps for ourself |
| 829 |
# and the net service as we're both |
| 830 |
net_service "${service}" && deps=( "${deps[@]}" "${net_deps[@]}" ) |
| 831 |
|
| 832 |
x=" ${deps[@]} " |
| 833 |
deps=( "${deps[@]}" ${x// net / ${net_services} } ) |
| 834 |
fi |
| 835 |
|
| 836 |
services=( "${services[@]}" "${deps[@]}" ) |
| 837 |
for dep in ${deps[@]}; do |
| 838 |
visit_service "${dep}" |
| 839 |
done |
| 840 |
sorted=( "${sorted[@]}" "${service}" ) |
| 841 |
} |
| 842 |
|
| 843 |
for (( i=0; i<${#services[@]}; i++)); do |
| 844 |
visit_service "${services[i]}" |
| 845 |
done |
| 846 |
|
| 847 |
services=( "${sorted[@]}" ) |
| 848 |
|
| 849 |
if [[ -n ${deptype} ]] ; then |
| 850 |
# If deptype is set, we do not want the name of this service |
| 851 |
x=" ${services[@]} " |
| 852 |
services=( ${x// ${SVCNAME} / } ) |
| 853 |
|
| 854 |
# If its a net service, do not include "net" |
| 855 |
if net_service "${SVCNAME}" ; then |
| 856 |
x=" ${services[@]} " |
| 857 |
sorted=( ${services// net / } ) |
| 858 |
fi |
| 859 |
fi |
| 860 |
|
| 861 |
echo "${services[@]}" |
| 862 |
} |
| 863 |
|
| 864 |
# bool query_before(service1, service2) |
| 865 |
# |
| 866 |
# Return true if 'service2' should be started *before* |
| 867 |
# service1. |
| 868 |
# |
| 869 |
query_before() { |
| 870 |
local x list |
| 871 |
local netservice="no" |
| 872 |
|
| 873 |
[[ -z $1 || -z $2 ]] && return 1 |
| 874 |
|
| 875 |
list="$( trace_dependencies "$1" )" |
| 876 |
|
| 877 |
net_service "$2" && netservice="yes" |
| 878 |
|
| 879 |
for x in ${list} ; do |
| 880 |
[[ ${x} == "$2" ]] && return 0 |
| 881 |
|
| 882 |
# Also match "net" if this is a network service ... |
| 883 |
[[ ${netservice} == "yes" && ${x} == "net" ]] && return 0 |
| 884 |
done |
| 885 |
|
| 886 |
return 1 |
| 887 |
} |
| 888 |
|
| 889 |
# vim:ts=4 |
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