handle_call({register, IP, Port, Name, Enable, Maxuser, Pid, Fun}, _From, State) ->
io:format("register server ~p ~n",[Name]),
tcp_server:stop(Port),
Client = #client{
server_name = Name,
server_port = Port,
server_ip = IP,
server = self()
},
{_, SocketPid} = case Enable of
true ->
F = fun(Sock) ->
?MODULE:loop(Sock, Client, Fun) end,
tcp_server:start_raw_server(Port, F, Maxuser, 2048);
Other ->
{ok, none}
end,
case db:search(qlc:q([ServerData || ServerData <- mnesia:table(server),
ServerData#server.name =:= Name,
ServerData#server.port =:= Port,
ServerData#server.ip =:= IP
])) of
{atomic, [] } ->
io:format("new server~n",[]),
Server = #server {
id = counter:bump(server),
ip = IP,
port = Port,
name = Name,
enable = Enable,
maxuser = Maxuser,
curuser = 0,
pid = Pid,
socketpid = SocketPid
},
mnesia:transaction(fun() ->
mnesia:write(Server), Server#server.id end),
ets:insert(State#state.serverstate, {SocketPid, Server});
{atomic, [Server2]} ->
Server = Server2#server {
ip = IP,
port = Port,
name = Name,
enable = Enable,
maxuser = Maxuser,
curuser = 0,
pid = Pid,
socketpid = SocketPid
},
mnesia:transaction(fun() ->
mnesia:write(Server), Server#server.id end),
ets:insert(State#state.serverstate, {SocketPid, Server}),
router:call({send_to_players, qlc:q([Player#player.id || Player <- mnesia:table(player),
Player#player.socket /= none,
Player#player.server_pid =:= none]),{?PP_SERVERLIST,[state({name,Name}, State)]}})
end,
{reply, ok, State};
该函数进行服务器的注册，对于在server.erl的全局接口来说，是server:registerserver。它首先停止正在运行在该端口上的进程，然后启动新的（Enable为true的情况下），然后再写入数据库中。你可以使用类似下面的语句来进行批量添加服务器：
server:registerserver([{"test1", true, 3, 5000}, {"test1", true, 3, 5001}, {"test1", true, 3, 5002}, {"test2", true, 3, 5003}]).
上面的语句将启动两组服务器，test1有3个端口支持，test2只有一个端口支持。
使用下面的函数可以查看当前启动的服务器状态：
state({name, Name}, State) ->
case db:search(qlc:q([ServerDat#server.socketpid || ServerDat <- mnesia:table(server),
ServerDat#server.name =:= Name,
ServerDat#server.socketpid /= none])) of
{atomic, []} ->
{ok, Name, {{notrunning, {0, 0}},[]}};
{atomic, ServerDat1}->
{ok, Name, {{running, serverstate(ServerDat1, State, {0, 0})},serverstate1(ServerDat1, State)}}
end.
serverstate函数和serverstate1函数分别统计服务器的简要信息和详细信息。简要信息仅包含服务器是否运行和当前及最大用户数，详细信息在简要信息的基础上添加了服务器IP和端口值。相对上面启动的服务器，调用下面的语句可以查看所有服务器的状态：
server:serverstate(["test1", "test2"]).
或者：
server:serverstate(serverstate:servernames()).
serverstate:servernames函数从数据库中获得所有的服务器名称（可能包括已经被彻底关闭的），动态的停止一个服务器，则是通过调用下面的实现：