-
Notifications
You must be signed in to change notification settings - Fork 1
/
Types.hs
45 lines (34 loc) · 1.48 KB
/
Types.hs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
{-
Copyright (C) 2005 John Goerzen <jgoerzen@complete.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
module Types where
import Control.Concurrent(ThreadId)
import Control.Concurrent.MVar(MVar)
import Data.List
import Data.Map(Map)
import Database.HDBC
type GASupply = MVar (Map ThreadId (String, Statement))
data State = NotVisited | VisitingNow | Visited | ErrorState | Excluded
deriving (Eq, Read, Show)
instance SqlType State where
toSql s = SqlString (show s)
fromSql (SqlString s) = read s
fromSql x = error $ "Cannot convert " ++ show x ++ " into gopherbot.State"
data GAddress = GAddress {host :: String, port :: Int, dtype :: Char,
path :: String}
deriving (Eq)
instance Show GAddress where
show a = concat . intersperse ":" $
[host a, show (port a), [dtype a], path a]
type Lock = MVar ThreadId