104536cd21
BREAKING CHANGE: This will require a reinstall of crowsnest Signed-off-by: Stephan Wendel <me@stephanwe.de>
129 lines
3.1 KiB
Bash
Executable File
129 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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#### Core library
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#### crowsnest - A webcam Service for multiple Cams and Stream Services.
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####
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#### Written by Stephan Wendel aka KwadFan <me@stephanwe.de>
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#### Copyright 2021
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#### https://github.com/mainsail-crew/crowsnest
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####
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#### This File is distributed under GPLv3
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####
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# shellcheck enable=require-variable-braces
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# Exit upon Errors
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set -Ee
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## Version of crowsnest
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function self_version {
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pushd "${BASE_CN_PATH}" &> /dev/null
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git describe --always --tags
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popd &> /dev/null
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}
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# Init Traps
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trap 'shutdown' 1 2 3 15
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trap 'err_exit $? $LINENO' ERR
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# Behavior of traps
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# log_msg, see libs/logging.sh L#46
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# Print Error Code and Line to Log
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# and kill running jobs
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function err_exit {
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if [ "${1}" != "0" ]; then
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log_msg "ERROR: Error ${1} occured on line ${2}"
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log_msg "ERROR: Stopping $(basename "$0")."
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log_msg "Goodbye..."
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fi
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if [ -n "$(jobs -pr)" ]; then
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jobs -pr | while IFS='' read -r job_id; do
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kill "${job_id}"
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done
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fi
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exit 1
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}
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# Print Goodbye Message
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# and kill running jobs
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function shutdown {
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log_msg "Shutdown or Killed by User!"
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log_msg "Please come again :)"
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if [ -n "$(jobs -pr)" ]; then
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jobs -pr | while IFS='' read -r job_id; do
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kill "${job_id}"
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done
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fi
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log_msg "Goodbye..."
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exit 0
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}
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## Sanity Checks
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# Dependency Check
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# call check_dep <programm>, ex.: check_dep vim
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function check_dep {
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local dep
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dep="$(whereis "${1}" | awk '{print $2}')"
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if [ -z "${dep}" ]; then
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log_msg "Dependency: '${1}' not found. Exiting!"
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exit 1
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else
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log_msg "Dependency: '${1}' found in ${dep}."
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fi
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}
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function check_apps {
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local paths
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paths=(
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bin/ustreamer/ustreamer
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bin/rtsp-simple-server/rtsp-simple-server
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)
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for chk in "${paths[@]}"; do
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if [ -x "${BASE_CN_PATH}/${chk}" ]; then
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log_msg "Dependency: '$(echo "${chk}" | cut -d '/' -f3)' found in ${chk}."
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else
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log_msg "Dependency: '$(echo "${chk}" | cut -d '/' -f3)' not found. Exiting!"
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exit 1
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fi
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done
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}
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# checks availability of OpenMax IL feature on host and in apps.
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# 0 = false / 1 = true
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function check_omx {
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if [ -d "/opt/vc/include" ] &&
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[ ! "$(ffmpeg -hide_banner -buildconf | grep -c 'omx')" = "0" ] &&
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[ "$("${BASE_CN_PATH}"/bin/ustreamer/ustreamer --features | grep -c '\+ WITH_OMX')" = "1" ]; then
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echo "1"
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else
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echo "0"
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fi
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}
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# Check all needed Dependencies
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# If pass print your set configfile to log.
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# print_cfg, see libs/logging.sh L#75
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# pint_cams, see libs/logging.sh L#84
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function initial_check {
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log_msg "INFO: Checking Dependencys"
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check_dep "crudini"
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check_dep "find"
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check_dep "logger"
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check_dep "xargs"
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check_dep "ffmpeg"
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check_apps
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versioncontrol
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# print cfg if ! log_level: quiet
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if [ -z "$(check_cfg "${CROWSNEST_CFG}")" ]; then
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if [ "$(log_level)" != "quiet" ]; then
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print_cfg
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fi
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fi
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# in systemd show always config file
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logger -t crowsnest -f "${CROWSNEST_CFG}"
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log_msg "INFO: Detect available Devices"
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print_cams
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}
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