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Implemented "server worlds ram <world>" command.

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Everything behind it works also, such as syncing to ram, and back
again, and creating appropriate links to RAM on startup.
This commit is contained in:
Marcus Whybrow 2012-05-24 05:12:58 +01:00
parent 5b8835f62a
commit a3fbaa8ee7
1 changed files with 59 additions and 4 deletions
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63
msm
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@ -141,7 +141,7 @@ log_line_get_time() {
# Moves a world to RAM
# $1: the ID of the world to move
world_to_ram() {
if $RAMDISK_STORAGE_PATH; then
if [ ! -z $RAMDISK_STORAGE_PATH ]; then
as_user ${server_user_name[${world_server_id[$1]}]} "mkdir -p ${world_ramdisk_path[$1]} && rsync -rt --exclude '$WORLD_FLAG_INRAM' \"${world_path[$1]}/\" \"${world_ramdisk_path[$1]}\""
fi
}
@ -152,12 +152,36 @@ world_to_disk() {
as_user ${server_user_name[${world_server_id[$1]}]} "rsync -rt --exclude '$WORLD_FLAG_INRAM' \"${world_ramdisk_path[$1]}/\" \"${world_path[$1]}\""
}
# Toggles a worlds ramdisk state
# $1: The ID of the world
world_toggle_ramdisk_state() {
if [ -e ${world_flag_inram[$1]} ]; then
echo -n "Removing RAM flag from world \"${world_name[$1]}\"... "
as_user ${server_user_name[${world_server_id[$1]}]} "rm -f \"${world_flag_inram[$1]}\""
echo "Done."
echo -n "Removing world \"${world_name[$1]}\" from RAM... "
as_user ${server_user_name[${world_server_id[$1]}]} "rm -r \"${world_ramdisk_path[$1]}\""
echo "Done."
else
echo -n "Adding RAM flag to world \"${world_name[$1]}\"... "
as_user ${server_user_name[${world_server_id[$1]}]} "touch \"${world_flag_inram[$1]}\""
echo "Done."
echo -n "Copying world to RAM... "
world_to_ram $1
echo "Done."
fi
echo "Changes will only take effect after server is restarted."
}
### Server Utility Functions
# Returns the ID for a server.
# An ID is given to a server when loaded into memory, and can be used to lookup
# config information for that server
# $1: The name of the server
server_get_id() {
local i=0
while [[ $i < $num_servers ]]; do
@ -172,6 +196,26 @@ server_get_id() {
return 1
}
# Returns the ID of a server's world.
# $1: The ID of the server
# $2: The name of the world
server_world_get_id() {
local i=${server_world_offset[$1]}
local max=$(( $i + ${server_num_worlds[$1]} ))
# For each of the servers worlds:
while [[ $i < $max ]]; do
if [[ "${world_name[$i]}" == "$2" ]]; then
echo $i
return 0
fi
i=$(( $i + 1 ))
done
return 1
}
# Returns 0 if the server $1 is running and 1 if not
# $1: The name of server
server_is_running() {
@ -242,7 +286,7 @@ server_ensure_links() {
# $1: The ID of the server
server_worlds_to_ram() {
# Only proceed if there is a ramdisk path set in config
if $RAMDISK_STORAGE_PATH; then
if [ ! -z $RAMDISK_STORAGE_PATH ]; then
echo -n "Synchronising flagged worlds on disk to RAM... "
local i=${server_world_offset[$1]}
local max=$(( $i + ${server_num_worlds[$1]} ))
@ -262,7 +306,7 @@ server_worlds_to_ram() {
# Moves a servers "in RAM" worlds back to disk
# $1: The ID of the server
server_worlds_to_disk() {
if $RAMDISK_STORAGE_PATH; then
if [ ! -z $RAMDISK_STORAGE_PATH ]; then
echo -n "Synchronising worlds in RAM to disk... "
local i=${server_world_offset[$1]}
local max=$(( $i + ${server_num_worlds[$1]} ))
@ -828,7 +872,7 @@ init() {
world_link[$j]="${server_path[$i]}/${world_name[$j]}"
world_flag_inram[$j]="${world_path[$j]}/$WORLD_FLAG_INRAM"
if $RAMDISK_STORAGE_PATH; then
if [ ! -z $RAMDISK_STORAGE_PATH ]; then
world_ramdisk_path[$j]="${RAMDISK_STORAGE_PATH}/${server_name[$i]}/${world_name[$j]}"
fi
@ -1153,6 +1197,17 @@ main() {
server_ensure_links $id
;;
ram)
if [ -z "$4" ]; then
echo "Invalid command."
else
world_id=$(server_world_get_id $id "$4")
if [ ! -z $world_id ]; then
world_toggle_ramdisk_state $world_id
else
echo "Server \"${server_name[$id]}\" has no world with that name."
fi
fi
;;
toram)
;;