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245 lines
8.2 KiB
245 lines
8.2 KiB
#!/bin/bash
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# LinuxGSM command_monitor.sh module
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# Author: Daniel Gibbs
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# Contributors: http://linuxgsm.com/contrib
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# Website: https://linuxgsm.com
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# Description: Monitors server by checking for running processes
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# then passes to gamedig and gsquery.
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commandname="MONITOR"
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commandaction="Monitoring"
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functionselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"
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fn_firstcommand_set
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fn_monitor_check_lockfile() {
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# Monitor does not run it lockfile is not found.
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if [ ! -f "${lockdir}/${selfname}.lock" ]; then
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fn_print_dots "Checking lockfile: "
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fn_print_checking_eol
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fn_script_log_info "Checking lockfile: CHECKING"
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fn_print_error "Checking lockfile: No lockfile found: "
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fn_print_error_eol_nl
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fn_script_log_error "Checking lockfile: No lockfile found: ERROR"
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echo -e "* Start ${selfname} to run monitor."
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core_exit.sh
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fi
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# Fix if lockfile is not unix time or contains letters
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if [ -f "${lockdir}/${selfname}.lock" ] && [[ "$(head -n 1 "${lockdir}/${selfname}.lock")" =~ [A-Za-z] ]]; then
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date '+%s' > "${lockdir}/${selfname}.lock"
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echo "${version}" >> "${lockdir}/${selfname}.lock"
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echo "${port}" >> "${lockdir}/${selfname}.lock"
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fi
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}
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fn_monitor_check_update() {
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# Monitor will check if update is already running.
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if [ "$(pgrep "${selfname} update" | wc -l)" != "0" ]; then
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fn_print_dots "Checking active updates: "
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fn_print_checking_eol
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fn_script_log_info "Checking active updates: CHECKING"
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fn_print_error_nl "Checking active updates: SteamCMD is currently checking for updates: "
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fn_print_error_eol
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fn_script_log_error "Checking active updates: SteamCMD is currently checking for updates: ERROR"
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core_exit.sh
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fi
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}
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fn_monitor_check_session() {
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fn_print_dots "Checking session: "
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fn_print_checking_eol
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fn_script_log_info "Checking session: CHECKING"
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# uses status var from check_status.sh
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if [ "${status}" != "0" ]; then
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fn_print_ok "Checking session: "
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fn_print_ok_eol_nl
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fn_script_log_pass "Checking session: OK"
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else
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fn_print_error "Checking session: "
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fn_print_fail_eol_nl
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fn_script_log_fatal "Checking session: FAIL"
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alert="restart"
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alert.sh
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fn_script_log_info "Checking session: Monitor is restarting ${selfname}"
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command_restart.sh
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core_exit.sh
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fi
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}
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fn_monitor_check_queryport() {
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# Monitor will check queryport is set before continuing.
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if [ -z "${queryport}" ] || [ "${queryport}" == "0" ]; then
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fn_print_dots "Checking port: "
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fn_print_checking_eol
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fn_script_log_info "Checking port: CHECKING"
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if [ -n "${rconenabled}" ] && [ "${rconenabled}" != "true" ] && [ ${shortname} == "av" ]; then
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fn_print_warn "Checking port: Unable to query, rcon is not enabled"
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fn_script_log_warn "Checking port: Unable to query, rcon is not enabled"
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else
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fn_print_error "Checking port: Unable to query, queryport is not set"
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fn_script_log_error "Checking port: Unable to query, queryport is not set"
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fi
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core_exit.sh
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fi
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}
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fn_query_gsquery() {
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if [ ! -f "${functionsdir}/query_gsquery.py" ]; then
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fn_fetch_file_github "lgsm/functions" "query_gsquery.py" "${functionsdir}" "chmodx" "norun" "noforce" "nohash"
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fi
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"${functionsdir}"/query_gsquery.py -a "${queryip}" -p "${queryport}" -e "${querytype}" > /dev/null 2>&1
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querystatus="$?"
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}
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fn_query_tcp() {
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bash -c 'exec 3<> /dev/tcp/'${queryip}'/'${queryport}'' > /dev/null 2>&1
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querystatus="$?"
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}
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fn_monitor_query() {
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# Will loop and query up to 5 times every 15 seconds.
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# Query will wait up to 60 seconds to confirm server is down as server can become non-responsive during map changes.
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totalseconds=0
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for queryattempt in {1..5}; do
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for queryip in "${queryips[@]}"; do
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fn_print_dots "Querying port: ${querymethod}: ${queryip}:${queryport} : ${totalseconds}/${queryattempt}: "
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fn_print_querying_eol
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fn_script_log_info "Querying port: ${querymethod}: ${queryip}:${queryport} : ${queryattempt} : QUERYING"
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# querydelay
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if [ "$(head -n 1 "${lockdir}/${selfname}.lock")" -gt "$(date "+%s" -d "${querydelay} mins ago")" ]; then
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fn_print_ok "Querying port: ${querymethod}: ${ip}:${queryport} : ${totalseconds}/${queryattempt}: "
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fn_print_delay_eol_nl
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fn_script_log_info "Querying port: ${querymethod}: ${ip}:${queryport} : ${queryattempt} : DELAY"
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fn_script_log_info "Query bypassed: ${gameservername} started less than ${querydelay} minutes ago"
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fn_script_log_info "Server started: $(date -d @$(head -n 1 "${lockdir}/${selfname}.lock"))"
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fn_script_log_info "Current time: $(date)"
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monitorpass=1
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core_exit.sh
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# will use query method selected in fn_monitor_loop
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# gamedig
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elif [ "${querymethod}" == "gamedig" ]; then
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query_gamedig.sh
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# gsquery
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elif [ "${querymethod}" == "gsquery" ]; then
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fn_query_gsquery
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#tcp query
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elif [ "${querymethod}" == "tcp" ]; then
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fn_query_tcp
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fi
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if [ "${querystatus}" == "0" ]; then
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# Server query OK.
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fn_print_ok "Querying port: ${querymethod}: ${queryip}:${queryport} : ${totalseconds}/${queryattempt}: "
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fn_print_ok_eol_nl
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fn_script_log_pass "Querying port: ${querymethod}: ${queryip}:${queryport} : ${queryattempt}: OK"
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monitorpass=1
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if [ "${querystatus}" == "0" ]; then
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# Add query data to log.
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if [ "${gdname}" ]; then
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fn_script_log_info "Server name: ${gdname}"
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fi
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if [ "${gdplayers}" ]; then
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fn_script_log_info "Players: ${gdplayers}/${gdmaxplayers}"
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fi
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if [ "${gdbots}" ]; then
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fn_script_log_info "Bots: ${gdbots}"
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fi
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if [ "${gdmap}" ]; then
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fn_script_log_info "Map: ${gdmap}"
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fi
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if [ "${gdgamemode}" ]; then
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fn_script_log_info "Game Mode: ${gdgamemode}"
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fi
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# send LinuxGSM stats if monitor is OK.
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if [ "${stats}" == "on" ] || [ "${stats}" == "y" ]; then
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info_stats.sh
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fi
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fi
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core_exit.sh
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else
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# Server query FAIL.
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fn_print_fail "Querying port: ${querymethod}: ${queryip}:${queryport} : ${totalseconds}/${queryattempt}: "
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fn_print_fail_eol
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fn_script_log_warn "Querying port: ${querymethod}: ${queryip}:${queryport} : ${queryattempt}: FAIL"
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# Monitor will try gamedig (if supported) for first 30s then gsquery before restarting.
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# gsquery will fail if longer than 60s
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if [ "${totalseconds}" -ge "59" ]; then
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# Monitor will FAIL if over 60s and trigger gane server reboot.
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fn_print_fail "Querying port: ${querymethod}: ${queryip}:${queryport} : ${totalseconds}/${queryattempt}: "
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fn_print_fail_eol_nl
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fn_script_log_warn "Querying port: ${querymethod}: ${queryip}:${queryport} : ${queryattempt}: FAIL"
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# Send alert if enabled.
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alert="restartquery"
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alert.sh
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command_restart.sh
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fn_firstcommand_reset
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core_exit.sh
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fi
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fi
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done
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# Second counter will wait for 15s before breaking loop.
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for seconds in {1..15}; do
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fn_print_fail "Querying port: ${querymethod}: ${ip}:${queryport} : ${totalseconds}/${queryattempt}: ${cyan}WAIT${default}"
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sleep 0.5
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totalseconds=$((totalseconds + 1))
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if [ "${seconds}" == "15" ]; then
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break
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fi
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done
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done
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}
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fn_monitor_loop() {
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# loop though query methods selected by querymode.
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totalseconds=0
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if [ "${querymode}" == "2" ]; then
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local query_methods_array=(gamedig gsquery)
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elif [ "${querymode}" == "3" ]; then
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local query_methods_array=(gamedig)
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elif [ "${querymode}" == "4" ]; then
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local query_methods_array=(gsquery)
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elif [ "${querymode}" == "5" ]; then
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local query_methods_array=(tcp)
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fi
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for querymethod in "${query_methods_array[@]}"; do
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# Will check if gamedig is installed and bypass if not.
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if [ "${querymethod}" == "gamedig" ]; then
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if [ "$(command -v gamedig 2> /dev/null)" ] && [ "$(command -v jq 2> /dev/null)" ]; then
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if [ -z "${monitorpass}" ]; then
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fn_monitor_query
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fi
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else
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fn_script_log_info "gamedig is not installed"
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fn_script_log_info "https://docs.linuxgsm.com/requirements/gamedig"
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fi
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else
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# will not query if query already passed.
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if [ -z "${monitorpass}" ]; then
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fn_monitor_query
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fi
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fi
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done
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}
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monitorflag=1
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check.sh
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core_logs.sh
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info_game.sh
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# query pre-checks
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fn_monitor_check_lockfile
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fn_monitor_check_update
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fn_monitor_check_session
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# Monitor will not continue if session only check.
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if [ "${querymode}" != "1" ]; then
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fn_monitor_check_queryport
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# Add a querydelay of 1 min if var missing.
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if [ -z "${querydelay}" ]; then
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querydelay="1"
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fi
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fn_monitor_loop
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fi
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core_exit.sh
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