CreatBotCrowsnest/libs/logging.sh
Stephan Wendel b96c2bd86a
BUGFIX: Typo in shellcheck directive
* 'requires' instead of 'require'

Signed-off-by: Stephan Wendel <me@stephanwe.de>
2021-12-17 22:02:00 +01:00

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2.8 KiB
Bash
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#!/bin/bash
#### Logging library
#### webcamd - A webcam Service for multiple Cams and Stream Services.
####
#### written by Stephan Wendel aka KwadFan
#### Copyright 2021
#### https://github.com/mainsail-crew/crowsnest
####
#### This File is distributed under GPLv3
####
# shellcheck enable=require-variable-braces
# Exit upon Errors
set -e
## Logging
function init_log_entry {
log_msg "webcamd - A webcam Service for multiple Cams and Stream Services."
log_msg "Version: $(self_version)"
log_msg "Prepare Startup ..."
}
function log_level {
local loglevel
loglevel="$(get_param webcamd log_level 2> /dev/null)"
# Set default log_level to quiet
if [ -z "${loglevel}" ] || [[ "${loglevel}" != @(quiet|verbose|debug) ]];
then
echo "quiet"
else
echo "${loglevel}"
fi
}
function delete_log {
local devel logfile
logfile="$(get_param "webcamd" log_path | sed "s#^~#$HOME#gi")"
devel="$(get_param "webcamd" delete_log 2> /dev/null)"
if [ "${devel}" = "true" ]; then
rm -rf "${logfile}"
fi
}
function log_msg {
local msg logfile prefix
msg="${1}"
prefix="$(date +'[%D %T]') webcamd:"
#Workaround sed ~ to BASH VAR $HOME
logfile="$(get_param webcamd log_path | sed "s#^~#$HOME#gi")"
#Workaround: Make Dir if not exist
if [ ! -d "${logfile}" ]; then
mkdir -p "$(dirname "${logfile}")"
fi
echo -e "${prefix} ${msg}" | tr -s ' ' >> "${logfile}" 2>&1
echo -e "${msg}" | logger -t webcamd
}
#call '| log_output "<prefix>"'
function log_output {
local prefix
prefix="DEBUG: ${1}"
while read -r line; do
if [ "$(log_level)" == "debug" ]; then
log_msg "${prefix}: ${line}"
fi
if [ -n "${line}" ]; then
# needed to prettify ustreamers output
echo "${line//^--/ustreamer}" | logger -t webcamd
fi
done
}
function print_cfg {
local prefix
prefix="\t\t"
log_msg "INFO: Print Configfile: '${WEBCAMD_CFG}'"
while read -r line; do
log_msg "${prefix}${line}"
done < "${WEBCAMD_CFG}"
}
function print_cams {
local count raspicam total
count="$(find /dev/v4l/by-id/ 2> /dev/null | sed '1d;1~2d' | wc -l)"
total="$((count+$(detect_raspicam)))"
if [ "${total}" -eq 0 ]; then
log_msg "ERROR: No usable Cameras Found. Stopping $(basename "${0}")."
exit 1
else
log_msg "INFO: Found ${total} available Camera(s)"
fi
if [ -d "/dev/v4l/by-id/" ]; then
detect_avail_cams
fi
if [ "$(detect_raspicam)" -ne 0 ]; then
raspicam="$(v4l2-ctl --list-devices | grep -A1 -e 'mmal' | \
awk 'NR==2 {print $1}')"
log_msg "Detected 'Raspicam' Device -> ${raspicam}"
if [ ! "$(log_level)" = "quiet" ]; then
list_cam_formats "${raspicam}"
fi
fi
}