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#!/bin/bash
####################
# Helper functions #
####################
SELF="$0"
function error {
tput setaf 9
tput bold
printf "%s: ERROR: " "$0"
printf "$@"
tput sgr0
exit 1
}
function debug {
if [ "$DEBUG" -ne 1 ]; then
return
fi
tput setaf 12
printf "[DEBUG] "
printf "$@"
tput sgr0
}
function check_file {
[ -e "$1" ] || error "'%s' doesn't exist\n" "$1"
[ -d "$1" ] && error "'%s' is a directory, not a file\n" "$1"
[ -f "$1" ] || error "'%s' exists but isn't a file\n" "$1"
}
function check_dir {
[ -e "$1" ] || error "'%s' doesn't exist\n" "$1"
[ -f "$1" ] && error "'%s' is a file, not a directory\n" "$1"
[ -d "$1" ] || error "'%s' exists but isn't a directory\n" "$1"
}
function ensure_link {
if [ -L "$2" ]; then
debug "ensure_link: '%s' already exists\n" "$2"
if [ `readlink "$2"` == "$1" ]; then
return
fi
debug "ensure_link: ...and points at '%s' instead of '%s'\n" `readlink "$2"` "$1"
unlink "$2" || error "couldn't unlink '%s'\n" "$2"
fi
mkdir -p `dirname "$2"` || error
ln -s "$1" "$2" || error "linking failed\n"
debug "ensure_link: linked '%s' -> '%s'\n" "$2" "$1"
}
#################
# Configuration #
#################
# Load the script configuration and set some defaults.
source run-instance.local.sh || error "missing config\n"
[ -z "$PREFIX" ] && error "PREFIX is not set\n"
# fs_basepath, fs_overpath, fs_homepath and fs_game.
true ${COMMON:="$PREFIX/common"}
true ${OVER_PREFIX:="$PREFIX/over@"}
true ${HOME_PREFIX:="$PREFIX/home@"}
true ${FS_GAME:="slacker"}
# Config directory: as seen by tremded's vfs and the absolute path, respectively.
true ${CONFIG_LOCAL:="config"}
true ${CONFIG_GLOBAL:="$PREFIX/$CONFIG_LOCAL"}
# Executables.
true ${GDB_WRAPPER:="$PREFIX/bin/gdb-wrapper2.sh"}
true ${TREMDED_PREFIX:="$PREFIX/bin/tremded@"}
# Debugging
true ${DEBUG:=1}
true ${NO_DEBUGGER:=0}
if [ "$NO_DEBUGGER" -ne 0 ]; then
GDB_WRAPPER="exec"
fi
###################
# The entry point #
###################
# Check the argument.
[ -z "$1" ] && error "instance name is missing\nusage: %s [INSTANCE]\n" "$SELF"
# Figure out all the instance-specific paths.
I="$1"
TREMDED="$TREMDED_PREFIX$I"
OVER="$OVER_PREFIX$I"
HOME="$HOME_PREFIX$I"
CONFIG_COMMON="$CONFIG_GLOBAL/common.cfg"
CONFIG_INST="$CONFIG_GLOBAL/$I.cfg"
# Do some integrity checks.
[ "$NO_DEBUGGER" -eq 0 ] && check_file "$GDB_WRAPPER"
check_file "$TREMDED"
check_dir "$COMMON"
check_file "$COMMON/base/data-1.1.0.pk3"
check_dir "$OVER"
check_dir "$OVER/$FS_GAME"
check_file "$OVER/$FS_GAME/game.so"
check_dir "$HOME"
check_dir "$HOME/$FS_GAME"
check_file "$CONFIG_COMMON"
check_file "$CONFIG_INST"
ensure_link "$CONFIG_GLOBAL" "$HOME/$FS_GAME/$CONFIG_LOCAL"
# Server configuration is done by overwiting the autogen.
cat "$CONFIG_COMMON" "$CONFIG_INST" > "$HOME/$FS_GAME/autogen_server.cfg" \
|| error "couldn't overwrite the autogen\n"
# cd to HOME (that's where cores will appear) and start the server.
cd "$HOME" || error "cannot chdir to %s\n" "$HOME"
"$GDB_WRAPPER" "$TREMDED" \
+set fs_basepath "$COMMON" \
+set fs_overpath "$OVER" \
+set fs_homepath "$HOME" \
+set fs_game "$FS_GAME" \
+set com_pipefile "pipe" \
+set dedicated 2 \
+map "atcs" \
+nocurses \
"$@" || error "couldn't start the server\n"
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