From d1c3af4f92f169853262dcc7f6c58bdd287c21ca Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Wed, 13 Oct 2010 15:03:09 +0200
Subject: some progress

---
 client/client.erl     | 31 +++++++++++++++++++++++++++++++
 server/client.erl     |  8 +++++++-
 server/dispatcher.erl | 10 +++++-----
 3 files changed, 43 insertions(+), 6 deletions(-)
 create mode 100644 client/client.erl

diff --git a/client/client.erl b/client/client.erl
new file mode 100644
index 0000000..9781b74
--- /dev/null
+++ b/client/client.erl
@@ -0,0 +1,31 @@
+-module(client).
+-export([register/3, login/3, list/0, logged_in/1]).
+
+register(Server, Name, Password) ->
+    rpc:call(Server, client, register, [self(), {Name, Password}]),
+    receive
+	{_, ok, Msg} ->
+	    Msg;
+	{_, error, Msg} ->
+	    Msg
+    end.
+
+login(Server, Name, Password) ->
+    rpc:call(Server, client, login, [self(), {Name, Password}]),
+    receive
+	{_, ok, {ok, {logged_in, Client}}} ->
+	    register(cli, spawn(client, logged_in, [Client]));
+	{_, error, Msg} ->
+	    Msg
+    end.
+
+list() ->
+    cli ! {list}.
+
+logged_in(Client) ->
+    receive
+	{list} ->
+	    Client ! {list};
+	_ ->
+	    logged_in(Client)
+    end.
diff --git a/server/client.erl b/server/client.erl
index 72658b7..7139e67 100644
--- a/server/client.erl
+++ b/server/client.erl
@@ -1,5 +1,5 @@
 -module(client).
--export([start/1, loop/1]).
+-export([start/1, loop/1, register/2, login/2]).
 
 start(Client) ->
     spawn(client, loop, Client).
@@ -13,3 +13,9 @@ loop(Client) ->
 	    Client ! {error, unknown_command},
 	    loop(Client)
     end.
+
+register(Client, {Name, Password}) ->
+    dis ! {Client, {register, {Name, Password}}}.
+
+login(Client, {Name, Password}) ->
+    dis ! {Client, {login, {Name, Password}}}.
diff --git a/server/dispatcher.erl b/server/dispatcher.erl
index 86b2627..a296c78 100644
--- a/server/dispatcher.erl
+++ b/server/dispatcher.erl
@@ -8,18 +8,18 @@ init() ->
     dict:new().
 
 handle(_, {register, {User, Password}}, Dict) ->
-    case dict:find(User) of
-	{ok, _} ->
+    case dict:find(User, Dict) of
+	{ok, _}->
 	    {{error, duplicated_user}, Dict};
-	true ->
+	_ ->
 	    {{ok, user_created}, dict:store(User, Password, Dict)}
     end;
 
 handle(From, {login, {User, Password}}, Dict) ->
-    case dict:find(User) of
+    case dict:find(User, Dict) of
 	{ok, Password} ->
 	    {{ok, {logged_in, client:start(From)}}, Dict};
-	true ->
+	_ ->
 	    {{error, user_or_password_invalid}, Dict}
     end;
 
-- 
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