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@@ -292,196 +292,141 @@ fn_stop_graceful_goldsrc() {
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fi
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}
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-# telnet command for sdtd graceful shutdown.
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-fn_stop_graceful_sdtd_telnet() {
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- if [ -z "${telnetpassword}" ] || [ "${telnetpassword}" == "NOT SET" ]; then
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- sdtdtelnetshutdown=$(expect -c '
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- proc abort {} {
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- puts "Timeout or EOF\n"
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- exit 1
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- }
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- spawn telnet '"${telnetip}"' '"${telnetport}"'
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- expect {
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- "session." { send "shutdown\r" }
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- default abort
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- }
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- expect { eof }
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- puts "Completed.\n"
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- ')
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- else
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- sdtdtelnetshutdown=$(expect -c '
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- proc abort {} {
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- puts "Timeout or EOF\n"
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- exit 1
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- }
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- spawn telnet '"${telnetip}"' '"${telnetport}"'
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- expect {
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- "password:" { send "'"${telnetpassword}"'\r" }
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- default abort
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- }
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- expect {
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- "session." { send "shutdown\r" }
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- default abort
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- }
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- expect { eof }
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- puts "Completed.\n"
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- ')
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+# Opens a telnet connection using bash /dev/tcp.
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+# Usage: fn_stop_telnet_open "ip"
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+fn_stop_telnet_open() {
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+ telnetoutput=""
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+ exec {telnetfd}<> "/dev/tcp/${1}/${telnetport}"
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+} 2> /dev/null
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+
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+# Closes the telnet connection.
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+fn_stop_telnet_close() {
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+ if [ -n "${telnetfd}" ]; then
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+ exec {telnetfd}>&-
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+ unset telnetfd
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fi
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}
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-# Attempts graceful shutdown of 7 Days To Die using telnet.
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-fn_stop_graceful_sdtd() {
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- fn_print_dots "Graceful: telnet"
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- fn_script_log_info "Graceful: telnet"
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- if [ "${telnetenabled}" == "false" ]; then
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- fn_print_info_nl "Graceful: telnet: DISABLED: Enable in ${servercfg}"
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- elif [ "$(command -v expect 2> /dev/null)" ]; then
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- # Tries to shutdown with both localhost and server IP.
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- for telnetip in 127.0.0.1 ${ip}; do
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- fn_print_dots "Graceful: telnet: ${telnetip}:${telnetport}"
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- fn_script_log_info "Graceful: telnet: ${telnetip}:${telnetport}"
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- fn_stop_graceful_sdtd_telnet
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- completed=$(echo -en "\n ${sdtdtelnetshutdown}" | grep "Completed.")
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- refused=$(echo -en "\n ${sdtdtelnetshutdown}" | grep "Timeout or EOF")
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- if [ "${refused}" ]; then
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- fn_print_error "Graceful: telnet: ${telnetip}:${telnetport} : "
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- fn_print_fail_eol_nl
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- fn_script_log_error "Graceful: telnet: ${telnetip}:${telnetport} : FAIL"
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- elif [ "${completed}" ]; then
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- break
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- fi
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- done
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+# Reads from the telnet connection until the text is received, ignoring case.
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+# Fails if the connection closes or nothing is received for the timeout.
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+# Usage: fn_stop_telnet_expect "text" "timeout_in_seconds"
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+fn_stop_telnet_expect() {
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+ local char
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+ while IFS= read -r -N 1 -t "${2:-10}" -u "${telnetfd}" char; do
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+ telnetoutput+="${char}"
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+ if [[ "${telnetoutput,,}" == *"${1,,}"* ]]; then
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+ return 0
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+ fi
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+ done
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+ return 1
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+}
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- # If telnet shutdown was successful will use telnet again to check
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- # the connection has closed, confirming that the tmux session can now be killed.
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- if [ "${completed}" ]; then
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- for seconds in {1..30}; do
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- fn_stop_graceful_sdtd_telnet
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- refused=$(echo -en "\n ${sdtdtelnetshutdown}" | grep "Timeout or EOF")
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- if [ "${refused}" ]; then
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- fn_print_ok "Graceful: telnet: ${telnetip}:${telnetport} : "
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- fn_print_ok_eol_nl
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- fn_script_log_pass "Graceful: telnet: ${telnetip}:${telnetport} : ${seconds} seconds"
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- if [ "${statusalert}" == "on" ] && [ "${firstcommandname}" == "STOP" ]; then
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- alert="stopped"
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- alert.sh
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- fi
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- break
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- fi
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- fn_sleep_time_1
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- fn_print_dots "Graceful: telnet: ${seconds}"
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- done
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- # If telnet shutdown fails tmux shutdown will be used, this risks loss of world save.
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- else
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- if [ "${refused}" ]; then
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- fn_print_error "Graceful: telnet: "
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- fn_print_fail_eol_nl
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- fn_script_log_error "Graceful: telnet: ${telnetip}:${telnetport} : FAIL"
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- else
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- fn_print_error_nl "Graceful: telnet: Unknown error"
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- fn_script_log_error "Graceful: telnet: Unknown error"
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- fi
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- echo -en "\n" | tee -a "${lgsmlog}"
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- echo -en "Telnet output:" | tee -a "${lgsmlog}"
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- echo -en "\n ${sdtdtelnetshutdown}" | tee -a "${lgsmlog}"
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- echo -en "\n\n" | tee -a "${lgsmlog}"
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+# Reads from the telnet connection until the server closes it.
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+fn_stop_telnet_read_to_close() {
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+ local char
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+ while IFS= read -r -N 1 -t 10 -u "${telnetfd}" char; do
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+ telnetoutput+="${char}"
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+ done
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+}
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+
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+# Sends a line to the telnet connection.
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+# Usage: fn_stop_telnet_send "text"
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+fn_stop_telnet_send() {
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+ (printf '%s\r\n' "${1}" >&"${telnetfd}") 2> /dev/null
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+}
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+
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+# Telnet session for 7 Days to Die graceful shutdown.
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+# Usage: fn_stop_graceful_sdtd_telnet "ip"
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+fn_stop_graceful_sdtd_telnet() {
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+ fn_stop_telnet_open "${1}" || return 1
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+ if [ -n "${telnetpassword}" ] && [ "${telnetpassword}" != "NOT SET" ]; then
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+ if ! fn_stop_telnet_expect "password:" || ! fn_stop_telnet_send "${telnetpassword}"; then
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+ fn_stop_telnet_close
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+ return 1
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fi
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- else
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- fn_print_warn "Graceful: telnet: expect not installed: "
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- fn_print_fail_eol_nl
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- fn_script_log_warn "Graceful: telnet: expect not installed: FAIL"
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fi
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+ if fn_stop_telnet_expect "session." && fn_stop_telnet_send "shutdown"; then
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+ fn_stop_telnet_read_to_close
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+ fn_stop_telnet_close
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+ return 0
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+ fi
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+ fn_stop_telnet_close
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+ return 1
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}
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-# Attempts graceful shutdown of Soulmask using telnet.
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-fn_stop_graceful_sm() {
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+# Telnet session for Soulmask graceful shutdown.
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+# Usage: fn_stop_graceful_sm_telnet "ip"
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+fn_stop_graceful_sm_telnet() {
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+ fn_stop_telnet_open "${1}" || return 1
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+ if fn_stop_telnet_send "saveworld 1" && fn_stop_telnet_expect "world is saved" 120 && fn_stop_telnet_send "quit 1"; then
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+ fn_stop_telnet_read_to_close
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+ fn_stop_telnet_close
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+ return 0
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+ fi
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+ fn_stop_telnet_close
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+ return 1
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+}
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+
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+# Attempts graceful shutdown using a telnet session.
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+# Tries localhost first, then the telnet and server IPs.
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+# Usage: fn_stop_graceful_telnet "session_function" "timeout_in_seconds"
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+# e.g.: fn_stop_graceful_telnet "fn_stop_graceful_sdtd_telnet" "60"
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+fn_stop_graceful_telnet() {
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fn_print_dots "Graceful: telnet"
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fn_script_log_info "Graceful: telnet"
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if [ "${telnetenabled}" == "false" ]; then
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fn_print_info_nl "Graceful: telnet: DISABLED: Enable in ${servercfg}"
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- elif [ "$(command -v expect 2> /dev/null)" ]; then
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- # Tries to shutdown with both localhost and server IP.
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- for telnetip in 127.0.0.1 ${ip}; do
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- fn_print_dots "Graceful: telnet: ${telnetip}:${telnetport}"
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- fn_script_log_info "Graceful: telnet: ${telnetip}:${telnetport}"
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- fn_stop_graceful_sm_telnet
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- completed=$(echo -en "\n ${smtelnetshutdown}" | grep "Completed.")
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- refused=$(echo -en "\n ${smtelnetshutdown}" | grep "Timeout or EOF")
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- if [ "${refused}" ]; then
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- fn_print_error "Graceful: telnet: ${telnetip}:${telnetport} : "
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- fn_print_fail_eol_nl
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- fn_script_log_error "Graceful: telnet: ${telnetip}:${telnetport} : FAIL"
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- elif [ "${completed}" ]; then
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- break
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- fi
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- done
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-
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- # If telnet shutdown was successful will use telnet again to check
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- # the connection has closed, confirming that the tmux session can now be killed.
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- if [ "${completed}" ]; then
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- for seconds in {1..30}; do
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- fn_stop_graceful_sm_telnet
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- refused=$(echo -en "\n ${smtelnetshutdown}" | grep "Timeout or EOF")
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- if [ "${refused}" ]; then
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- fn_print_ok "Graceful: telnet: ${telnetip}:${telnetport} : "
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- fn_print_ok_eol_nl
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- fn_script_log_pass "Graceful: telnet: ${telnetip}:${telnetport} : ${seconds} seconds"
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- if [ "${statusalert}" == "on" ] && [ "${firstcommandname}" == "STOP" ]; then
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- alert="stopped"
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- alert.sh
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- fi
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- break
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- fi
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- fn_sleep_time_1
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- fn_print_dots "Graceful: telnet: ${seconds}"
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- done
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- # If telnet shutdown fails, show it and stop
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- else
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- if [ "${refused}" ]; then
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- fn_print_error "Graceful: telnet: "
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- fn_print_fail_eol_nl
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- fn_script_log_error "Graceful: telnet: ${telnetip}:${telnetport} : FAIL"
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- else
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- fn_print_error_nl "Graceful: telnet: Unknown error"
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- fn_script_log_error "Graceful: telnet: Unknown error"
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+ fn_script_log_info "Graceful: telnet: DISABLED"
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+ return
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+ fi
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+ local telnetaddresses=("127.0.0.1")
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+ local telnetaddress telnetsent
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+ for telnetaddress in "${telnetip[@]}" ${ip}; do
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+ if [ -n "${telnetaddress}" ] && [[ " ${telnetaddresses[*]} " != *" ${telnetaddress} "* ]]; then
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+ telnetaddresses+=("${telnetaddress}")
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+ fi
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+ done
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+ for telnetaddress in "${telnetaddresses[@]}"; do
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+ fn_print_dots "Graceful: telnet: ${telnetaddress}:${telnetport}"
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+ fn_script_log_info "Graceful: telnet: ${telnetaddress}:${telnetport}"
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+ if "${1}" "${telnetaddress}"; then
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+ telnetsent=1
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+ break
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+ fi
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+ fn_print_error "Graceful: telnet: ${telnetaddress}:${telnetport}: "
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+ fn_print_fail_eol_nl
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+ fn_script_log_error "Graceful: telnet: ${telnetaddress}:${telnetport}: FAIL"
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+ if [ -n "${telnetoutput}" ]; then
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+ fn_script_log_error "Graceful: telnet: output: ${telnetoutput//$'\r'/}"
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+ fi
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+ done
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+ if [ -z "${telnetsent}" ]; then
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+ return
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+ fi
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+ # Waits up to ${seconds} seconds giving the server time to shutdown gracefully.
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+ for ((seconds = 1; seconds <= ${2}; seconds++)); do
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+ check_status.sh
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+ if [ "${status}" == "0" ]; then
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+ fn_print_ok "Graceful: telnet: ${telnetaddress}:${telnetport}: ${seconds}"
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+ fn_print_ok_eol_nl
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+ fn_script_log_pass "Graceful: telnet: ${telnetaddress}:${telnetport}: OK: ${seconds} seconds"
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+ if [ "${statusalert}" == "on" ] && [ "${firstcommandname}" == "STOP" ]; then
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+ alert="stopped"
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+ alert.sh
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fi
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- echo -en "\n" | tee -a "${lgsmlog}"
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- echo -en "Telnet output:" | tee -a "${lgsmlog}"
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- echo -en "\n ${smtelnetshutdown}" | tee -a "${lgsmlog}"
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- echo -en "\n\n" | tee -a "${lgsmlog}"
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+ break
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fi
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- else
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- fn_print_warn "Graceful: telnet: expect not installed: "
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+ fn_sleep_time_1
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+ fn_print_dots "Graceful: telnet: ${telnetaddress}:${telnetport}: ${seconds}"
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+ done
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+ check_status.sh
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+ if [ "${status}" != "0" ]; then
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+ fn_print_error "Graceful: telnet: ${telnetaddress}:${telnetport}: "
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fn_print_fail_eol_nl
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- fn_script_log_warn "Graceful: telnet: expect not installed: FAIL"
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+ fn_script_log_error "Graceful: telnet: ${telnetaddress}:${telnetport}: FAIL"
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fi
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}
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-# telnet command for soulmask graceful shutdown.
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-fn_stop_graceful_sm_telnet() {
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- smtelnetshutdown=$(expect -c '
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- proc abort {} {
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- puts "Timeout or EOF\n"
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- exit 1
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- }
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- spawn telnet '"${telnetip}"' '"${telnetport}"'
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- expect {
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- "Hello:" { send "saveworld 1\r" }
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- default abort
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- }
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- expect {
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- "the world is saved." { send "quit 1\r" }
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- default abort
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- }
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- expect {
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- "World is closing..." {}
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- default abort
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- }
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- expect { eof }
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- puts "Completed.\n"
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- ')
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-}
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-
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# Attempts graceful shutdown by sending /save /stop.
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fn_stop_graceful_avorion() {
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fn_print_dots "Graceful: /save /stop"
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@@ -575,7 +520,7 @@ fn_stop_graceful_select() {
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elif [ "${stopmode}" == "7" ]; then
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fn_stop_graceful_cmd "exit" 30
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elif [ "${stopmode}" == "8" ]; then
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- fn_stop_graceful_sdtd
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+ fn_stop_graceful_telnet "fn_stop_graceful_sdtd_telnet" "60"
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elif [ "${stopmode}" == "9" ]; then
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fn_stop_graceful_goldsrc
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elif [ "${stopmode}" == "10" ]; then
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@@ -585,7 +530,7 @@ fn_stop_graceful_select() {
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elif [ "${stopmode}" == "12" ]; then
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fn_stop_graceful_cmd "shutdown" 30
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elif [ "${stopmode}" == "13" ]; then
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- fn_stop_graceful_sm
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+ fn_stop_graceful_telnet "fn_stop_graceful_sm_telnet" "30"
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elif [ "${stopmode}" == "14" ]; then
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fn_stop_graceful_rwr
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elif [ "${stopmode}" == "15" ]; then
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Daniel Gibbs