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valheim-server
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valheim-server
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#!/bin/bash
# valheim-server starts the Valheim server
# binary either vanilla from /opt/valheim/server
# or if VALHEIM_PLUS=true with the ValheimPlus mod
# from /opt/valheim/plus
# Include defaults and common functions
. /usr/local/etc/valheim/defaults
. /usr/local/etc/valheim/common
export SteamAppId=892970
valheim_server_pid=-1
timeout=29
kill_signal=TERM
password_args=(-password "$SERVER_PASS")
mod_name=none
if [ "$VALHEIM_PLUS" = true ]; then
cd "$vp_install_path" || fatal "Could not cd $vp_install_path"
rm -rf "$vp_install_path.old"
export DOORSTOP_ENABLE=TRUE
export DOORSTOP_INVOKE_DLL_PATH="./BepInEx/core/BepInEx.Preloader.dll"
export DOORSTOP_CORLIB_OVERRIDE_PATH="./unstripped_corlib"
export LD_LIBRARY_PATH="$vp_install_path/linux64/:$vp_install_path/doorstop_libs/"
SERVER_LD_PRELOAD=libdoorstop_x64.so
valheim_server="$vp_install_path/valheim_server.x86_64"
if [ -z "$SERVER_PASS" ]; then
password_args=()
fi
mod_name="ValheimPlus"
elif [ "$BEPINEX" = true ]; then
cd "$bepinex_install_path" || fatal "Could not cd $bepinex_install_path"
rm -rf "$bepinex_install_path.old"
export DOORSTOP_ENABLE=TRUE
export DOORSTOP_INVOKE_DLL_PATH="./BepInEx/core/BepInEx.Preloader.dll"
export DOORSTOP_CORLIB_OVERRIDE_PATH="./unstripped_corlib"
export LD_LIBRARY_PATH="$bepinex_install_path/linux64/:$bepinex_install_path/doorstop_libs/"
SERVER_LD_PRELOAD=libdoorstop_x64.so
valheim_server="$bepinex_install_path/valheim_server.x86_64"
if [ -z "$SERVER_PASS" ]; then
password_args=()
fi
mod_name="BepInEx"
else
cd "$valheim_install_path" || fatal "Could not cd $valheim_install_path"
export LD_LIBRARY_PATH="$valheim_install_path/linux64/"
SERVER_LD_PRELOAD=""
valheim_server="$valheim_install_path/valheim_server.x86_64"
fi
main() {
wait_for_server_download
run_server
}
wait_for_server_download() {
while :; do
if [ -f "$valheim_server" ]; then
break
else
debug "Valheim Server is not yet downloaded - waiting"
sleep 7
fi
done
}
# This runs after server start and waits for the
# config files to either exist or for the server
# to create them so their access permissions can
# be adjusted to the proper values.
ensure_permissions_after_start() {
while :; do
if [ -f "/config/adminlist.txt" ]; then
ensure_permissions
break
else
sleep 4
fi
done
}
wait_for_server_listening() {
pre_server_listening_hook
while :; do
if server_is_listening; then
update_server_status running
debug "Server is now listening on UDP port $SERVER_PORT"
post_server_listening_hook
break
else
debug "Waiting for server to listen on UDP port $SERVER_PORT"
sleep 5
fi
done
}
run_server() {
pre_server_run_hook
info "Running Valheim Server"
debug "Server config is name: $SERVER_NAME, port: $SERVER_PORT/udp, world: $WORLD_NAME, public: $SERVER_PUBLIC, mod: $mod_name"
update_server_status starting
chmod +x "$valheim_server"
# shellcheck disable=SC2086
LD_PRELOAD=$SERVER_LD_PRELOAD "$valheim_server" -nographics -batchmode -name "$SERVER_NAME" -port "$SERVER_PORT" -world "$WORLD_NAME" -public "$SERVER_PUBLIC" "${password_args[@]}" $SERVER_ARGS > >(filter) 2>&1 &
valheim_server_pid=$!
unset LD_LIBRARY_PATH
unset LD_PRELOAD
echo $valheim_server_pid > "$valheim_server_pidfile"
ensure_permissions_after_start &
permissions_wait_pid=$!
wait_for_server_listening &
wait_for_server_listening_pid=$!
wait $valheim_server_pid
debug "Valheim server with PID $valheim_server_pid stopped"
update_server_status stopped
post_server_run_hook
cleanup
post_server_shutdown_hook
info "Shutdown complete"
exit 0
}
cleanup() {
if [ -n "${permissions_wait_pid:-}" ] && [ -d "/proc/$permissions_wait_pid" ]; then
kill -TERM $permissions_wait_pid
fi
if [ -n "${wait_for_server_listening_pid:-}" ] && [ -d "/proc/$wait_for_server_listening_pid" ]; then
kill -TERM $wait_for_server_listening_pid
fi
clear_lock "$valheim_server_pidfile"
}
# This function gets the servers stdout/stderr
# output piped into. It allows for filtering
# of unwanted debug log messages.
filter() {
unset LD_LIBRARY_PATH
unset LD_PRELOAD
"$cmd_valheim_logfilter" -logtostderr -v "$VALHEIM_LOG_FILTER_VERBOSE"
}
pre_server_run_hook() {
if [ -n "$PRE_SERVER_RUN_HOOK" ]; then
info "Running pre server run hook: $PRE_SERVER_RUN_HOOK"
eval "$PRE_SERVER_RUN_HOOK"
fi
}
post_server_run_hook() {
if [ -n "$POST_SERVER_RUN_HOOK" ]; then
info "Running post server run hook: $POST_SERVER_RUN_HOOK"
eval "$POST_SERVER_RUN_HOOK"
fi
}
pre_server_listening_hook() {
if [ -n "$PRE_SERVER_LISTENING_HOOK" ]; then
info "Running pre server listening hook: $PRE_SERVER_LISTENING_HOOK"
eval "$PRE_SERVER_LISTENING_HOOK"
fi
}
post_server_listening_hook() {
if [ -n "$POST_SERVER_LISTENING_HOOK" ]; then
info "Running post server listening hook: $POST_SERVER_LISTENING_HOOK"
eval "$POST_SERVER_LISTENING_HOOK"
fi
}
shutdown() {
debug "Received signal to shut down valheim-server"
update_server_status stopping
if [ $valheim_server_pid -eq -1 ]; then
debug "Valheim server is not running yet - aborting startup"
update_server_status stopped
exit
fi
pre_server_shutdown_hook
info "Shutting down Valheim server with PID $valheim_server_pid"
kill -INT $valheim_server_pid
shutdown_timeout=$(($(date +%s)+timeout))
while [ -d "/proc/$valheim_server_pid" ]; do
if [ "$(date +%s)" -gt $shutdown_timeout ]; then
shutdown_timeout=$(($(date +%s)+timeout))
warn "Timeout while waiting for server to shut down - sending SIG$kill_signal to PID $valheim_server_pid"
kill -$kill_signal $valheim_server_pid
case "$kill_signal" in
INT)
kill_signal=TERM
;;
*)
kill_signal=KILL
esac
fi
debug "Waiting for Valheim Server with PID $valheim_server_pid to shut down"
sleep 6
done
}
pre_server_shutdown_hook() {
if [ -n "$PRE_SERVER_SHUTDOWN_HOOK" ]; then
info "Running pre server shutdown hook: $PRE_SERVER_SHUTDOWN_HOOK"
eval "$PRE_SERVER_SHUTDOWN_HOOK"
fi
}
post_server_shutdown_hook() {
if [ -n "$POST_SERVER_SHUTDOWN_HOOK" ]; then
info "Running post server shutdown hook: $POST_SERVER_SHUTDOWN_HOOK"
eval "$POST_SERVER_SHUTDOWN_HOOK"
fi
}
trap shutdown SIGINT SIGTERM
main