From 9b5db7ab37a4a2527d523ff39bb0c5525553119e Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Thu, 14 Oct 2010 02:56:32 +0200
Subject: progress

server is working somehow...
---
 server/client.erl     | 25 +++++++++++++++++--------
 server/dispatcher.erl | 18 +++++++++++++-----
 2 files changed, 30 insertions(+), 13 deletions(-)

(limited to 'server')

diff --git a/server/client.erl b/server/client.erl
index 9d778f0..31d382f 100644
--- a/server/client.erl
+++ b/server/client.erl
@@ -1,23 +1,32 @@
 -module(client).
 -export([start/1, loop/1, register/2, login/2]).
 
-start(Client) ->
+start(Node) ->
     process_flag(trap_exit, true),
-    spawn(client, loop, [Client]).
+    {Client, Ref} = server:start_on_node(Node, client, undef),
+    link(Client),
+    Server = spawn_link(client, loop, [{Client, Ref}]),
+
+    case server:rpc({Client, Ref}, {change_state, Server}) of
+	{ok} ->
+	    {ok, {Client, Ref}};
+	_ ->
+	    {error, unknown_error}
+    end.
 
 loop(Client) ->
     receive
-	{list} ->
-	    Client ! {ok, foo},
+	list ->
+	    server:send(Client, {ok, {foo}}),
 	    loop(Client);
 
-	true ->
-	    Client ! {error, unknown_command},
+	Cmd ->
+	    server:send(Client, {error, {unknown_command, Cmd}}),
 	    loop(Client)
     end.
 
 register(Client, {Name, Password}) ->
     dis ! {Client, {register, {Name, Password}}}.
 
-login(Client, {Name, Password}) ->
-    dis ! {Client, {login, {Name, Password}}}.
+login(Client, {Node, Name, Password}) ->
+    dis ! {Client, {login, {Node, Name, Password}}}.
diff --git a/server/dispatcher.erl b/server/dispatcher.erl
index 390f9e5..4f1f58b 100644
--- a/server/dispatcher.erl
+++ b/server/dispatcher.erl
@@ -1,5 +1,5 @@
 -module(dispatcher).
--export([start/0, init/0, handle/3]).
+-export([start/0, init/0, handle/2]).
 
 start() ->
     code:purge(server),
@@ -17,7 +17,7 @@ start() ->
 init() ->
     dict:new().
 
-handle(_, {register, {User, Password}}, Dict) ->
+handle({register, {User, Password}}, Dict) ->
     case dict:find(User, Dict) of
 	{ok, _}->
 	    {{error, duplicated_user}, Dict};
@@ -26,13 +26,21 @@ handle(_, {register, {User, Password}}, Dict) ->
 	    {{ok, user_created}, dict:store(User, Password, Dict)}
     end;
 
-handle(From, {login, {User, Password}}, Dict) ->
+handle({login, {Node, User, Password}}, Dict) ->
     case dict:find(User, Dict) of
 	{ok, Password} ->
-	    {{ok, {logged_in, client:start(From)}}, Dict};
+	    case client:start(Node) of
+		{ok, Pid} ->
+		    {{ok, {logged_in, Pid}}, Dict};
+		_ ->
+		    {{error, unable_to_login}, Dict}
+	    end;
 	_ ->
 	    {{error, user_or_password_invalid}, Dict}
     end;
 
-handle(_, _, Dict) ->
+handle({'EXIT', _, _}, Dict) ->
+    Dict;
+
+handle(_, Dict) ->
     {{error, unknown_command}, Dict}.
-- 
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