modemmanager: refactoring hotplug debug logging

The output of the hotplug is very chatty and floods the log with
messages that are not necessary in functioning operation.

So that the log can be filtered. A log level was added to each message
as the first opiton on mm_log function call.

In addition, the facility of the hotplug script has been set to daemon,
which in my view fits better than user.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
This commit is contained in:
Florian Eckert 2021-12-13 13:06:47 +01:00
parent dc7095baff
commit 45a56a8899

View file

@ -20,7 +20,8 @@ MODEMMANAGER_EVENTS_CACHE="${MODEMMANAGER_RUNDIR}/events.cache"
# Common logging # Common logging
mm_log() { mm_log() {
logger -t "ModemManager" "hotplug: $*" local level="$1"; shift
logger -p "daemon.${level}" -t "ModemManager[$$]" "hotplug: $*"
} }
################################################################################ ################################################################################
@ -169,7 +170,7 @@ mm_wait_for_modem() {
while [ $n -ge 0 ]; do while [ $n -ge 0 ]; do
[ -d "${sysfspath}" ] || { [ -d "${sysfspath}" ] || {
mm_log "error: ignoring modem detection request: no device at ${sysfspath}" mm_log "error" "ignoring modem detection request: no device at ${sysfspath}"
proto_set_available "${cfg}" 0 proto_set_available "${cfg}" 0
return 1 return 1
} }
@ -177,10 +178,10 @@ mm_wait_for_modem() {
# Check if the modem exists at the given sysfs path # Check if the modem exists at the given sysfs path
if ! mmcli -m "${sysfspath}" > /dev/null 2>&1 if ! mmcli -m "${sysfspath}" > /dev/null 2>&1
then then
mm_log "error: modem not detected at sysfs path" mm_log "error" "modem not detected at sysfs path"
else else
mm_log "modem exported successfully at ${sysfspath}" mm_log "info" "modem exported successfully at ${sysfspath}"
mm_log "setting interface '${cfg}' as available" mm_log "info" "setting interface '${cfg}' as available"
proto_set_available "${cfg}" 1 proto_set_available "${cfg}" 1
return 0 return 0
fi fi
@ -189,7 +190,7 @@ mm_wait_for_modem() {
n=$((n-step)) n=$((n-step))
done done
mm_log "error: timed out waiting for the modem to get exported at ${sysfspath}" mm_log "error" "timed out waiting for the modem to get exported at ${sysfspath}"
proto_set_available "${cfg}" 0 proto_set_available "${cfg}" 0
return 2 return 2
} }
@ -201,7 +202,7 @@ mm_report_modem_wait() {
parent_sysfspath=$(mm_find_physdev_sysfs_path "$sysfspath") parent_sysfspath=$(mm_find_physdev_sysfs_path "$sysfspath")
[ -n "${parent_sysfspath}" ] || { [ -n "${parent_sysfspath}" ] || {
mm_log "error: parent device sysfspath not found" mm_log "error" "parent device sysfspath not found"
return return
} }
@ -212,23 +213,23 @@ mm_report_modem_wait() {
cfg=$(mm_get_modem_config "${parent_sysfspath}") cfg=$(mm_get_modem_config "${parent_sysfspath}")
if [ -n "${cfg}" ]; then if [ -n "${cfg}" ]; then
mm_log "interface '${cfg}' is set to configure device '${parent_sysfspath}'" mm_log "info" "interface '${cfg}' is set to configure device '${parent_sysfspath}'"
mm_log "now waiting for modem at sysfs path ${parent_sysfspath}" mm_log "info" "now waiting for modem at sysfs path ${parent_sysfspath}"
mm_set_modem_wait_status "${parent_sysfspath}" "processed" mm_set_modem_wait_status "${parent_sysfspath}" "processed"
# Launch subshell for the explicit wait # Launch subshell for the explicit wait
( mm_wait_for_modem "${cfg}" "${parent_sysfspath}" ) > /dev/null 2>&1 & ( mm_wait_for_modem "${cfg}" "${parent_sysfspath}" ) > /dev/null 2>&1 &
else else
mm_log "no need to wait for modem at sysfs path ${parent_sysfspath}" mm_log "info" "no need to wait for modem at sysfs path ${parent_sysfspath}"
mm_set_modem_wait_status "${parent_sysfspath}" "ignored" mm_set_modem_wait_status "${parent_sysfspath}" "ignored"
fi fi
;; ;;
"processed") "processed")
mm_log "already waiting for modem at sysfs path ${parent_sysfspath}" mm_log "info" "already waiting for modem at sysfs path ${parent_sysfspath}"
;; ;;
"ignored") "ignored")
;; ;;
*) *)
mm_log "error: unknown status read for device at sysfs path ${parent_sysfspath}" mm_log "error" "unknown status read for device at sysfs path ${parent_sysfspath}"
;; ;;
esac esac
} }
@ -258,7 +259,7 @@ mm_cleanup_interface_by_sysfspath() {
cfg=$(mm_get_modem_config "$dev") cfg=$(mm_get_modem_config "$dev")
[ -n "${cfg}" ] || return [ -n "${cfg}" ] || return
mm_log "setting interface '$cfg' as unavailable" mm_log "info" "setting interface '$cfg' as unavailable"
proto_set_available "${cfg}" 0 proto_set_available "${cfg}" 0
} }
@ -286,7 +287,7 @@ mm_report_event() {
esac esac
# Report the event # Report the event
mm_log "event reported: action=${action}, name=${name}, subsystem=${subsystem}" mm_log "debug" "event reported: action=${action}, name=${name}, subsystem=${subsystem}"
mmcli --report-kernel-event="action=${action},name=${name},subsystem=${subsystem}" 1>/dev/null 2>&1 & mmcli --report-kernel-event="action=${action},name=${name},subsystem=${subsystem}" 1>/dev/null 2>&1 &
# Wait for added modem if a sysfspath is given # Wait for added modem if a sysfspath is given
@ -302,7 +303,7 @@ mm_report_event_from_cache_line() {
subsystem=$(echo "${event_line}" | awk -F ',' '{ print $3 }') subsystem=$(echo "${event_line}" | awk -F ',' '{ print $3 }')
sysfspath=$(echo "${event_line}" | awk -F ',' '{ print $4 }') sysfspath=$(echo "${event_line}" | awk -F ',' '{ print $4 }')
mm_log "cached event found: action=${action}, name=${name}, subsystem=${subsystem}, sysfspath=${sysfspath}" mm_log "debug" "cached event found: action=${action}, name=${name}, subsystem=${subsystem}, sysfspath=${sysfspath}"
mm_report_event "${action}" "${name}" "${subsystem}" "${sysfspath}" mm_report_event "${action}" "${name}" "${subsystem}" "${sysfspath}"
} }
@ -317,11 +318,11 @@ mm_report_events_from_cache() {
# Wait for ModemManager to be available in the bus # Wait for ModemManager to be available in the bus
while [ $n -ge 0 ]; do while [ $n -ge 0 ]; do
sleep $step sleep $step
mm_log "checking if ModemManager is available..." mm_log "info" "checking if ModemManager is available..."
if ! mmcli -L >/dev/null 2>&1 if ! mmcli -L >/dev/null 2>&1
then then
mm_log "ModemManager not yet available" mm_log "info" "ModemManager not yet available"
else else
mmrunning=1 mmrunning=1
break break
@ -330,7 +331,7 @@ mm_report_events_from_cache() {
done done
[ ${mmrunning} -eq 1 ] || { [ ${mmrunning} -eq 1 ] || {
mm_log "error: couldn't report initial kernel events: ModemManager not running" mm_log "error" "couldn't report initial kernel events: ModemManager not running"
return return
} }