* add server_handle_rehash to Lua

* function in Lua to save GHost state when rehash

lua/ghost/ghost.lua

@@ -0,0 +1,29 @@
+--[[
+	Copyright (C) 2014 HarpyWar (harpywar@gmail.com)
+	
+	This file is a part of the PvPGN Project http://pvpgn.pro
+	Licensed under the same terms as Lua itself.
+]]--
+
+
+function gh_load()
+	local filename = gh_directory() .. "/users.dmp"
+
+	if not file_exists(filename) then
+		return
+	end
+	
+	-- load ghost state
+	gh_load_userbot(filename)
+	
+	DEBUG("Loaded GHost state from " .. filename)
+end
+
+
+function gh_unload()
+	-- save ghost state
+	local filename = gh_directory() .. "/users.dmp"
+	gh_save_userbot(filename)
+	
+	DEBUG("Saved GHost state to " .. filename)
+end

lua/ghost/helper.lua

@@ -29,6 +29,18 @@ end
 function gh_del_userbot(username)
 	user2bot[username] = nil
 end
+-- save table to file
+function gh_save_userbot(filename)
+	-- do not save empty table
+	if not next(gh_user2bot) then return end
+	
+	table.save(gh_user2bot, filename)
+end
+-- load table from file
+function gh_load_userbot(filename)
+	gh_user2bot = table.load(filename)
+end
+
 
 
 
@@ -48,6 +60,11 @@ function gh_read_silentping(username)
 end
 
 
+-- Get path to GHost directory
+function gh_directory()
+	return config.scriptdir .. "/ghost"
+end
+
 
 
 -- is user owner of bot in current game

lua/handle_server.lua

@@ -15,3 +15,12 @@ function handle_server_mainloop()
 	
 	-- DEBUG(os.time())
 end
+
+
+-- When restart Lua VM
+function handle_server_rehash()
+	if (config.ghost) then
+		gh_unload()
+	end
+
+end

lua/main.lua

@@ -9,9 +9,12 @@
 -- Executes after preload all the lua files
 function main()
 	
-	-- start antihack
 	if (config.ah) then
+		-- start antihack
 		ah_init()
 	end
-
+	
+	if (config.ghost) then
+		gh_load()
+	end
 end

src/bnetd/luainterface.cpp

@@ -316,7 +316,7 @@ namespace pvpgn
 			switch (luaevent)
 			{
 			case luaevent_command:
-				func_name = "handle_command_before";
+				func_name = "handle_command";
 				break;
 			case luaevent_command_before:
 				func_name = "handle_command_before";
@@ -584,6 +584,9 @@ namespace pvpgn
 			case luaevent_server_mainloop:
 				func_name = "handle_server_mainloop"; // one time per second
 				break;
+			case luaevent_server_rehash:
+				func_name = "handle_server_rehash"; // when restart Lua VM
+				break;
 			default:
 				return;
 			}

src/bnetd/luainterface.h

@@ -57,6 +57,7 @@ namespace pvpgn
 			luaevent_user_disconnect,
 
 			luaevent_server_start,
+			luaevent_server_rehash,
 			luaevent_server_mainloop,
 
 			luaevent_client_readmemory

src/bnetd/server.cpp

@@ -1483,6 +1483,8 @@ namespace pvpgn
 #ifdef WITH_LUA
 					if (do_restart == restart_mode_all || do_restart == restart_mode_lua)
 					{
+						lua_handle_server(luaevent_server_rehash);
+
 						lua_unload();
 						lua_load(prefs_get_scriptdir());
 					}