1 files changed, 32 insertions, 0 deletions

diff --git a/Presence/ClientState.hs b/Presence/ClientState.hs
new file mode 100644
index 00000000..44d81b4f
--- /dev/null
+++ b/Presence/ClientState.hs
@@ -0,0 +1,32 @@
+module ClientState where
+
+import Control.Concurrent.STM
+import Data.Text ( Text )
+import Data.Int  ( Int8 )
+import Data.Bits ( (.&.) )
+
+import UTmp       ( ProcessID )
+import XMPPServer ( Stanza )
+
+data ClientState = ClientState
+    { clientResource :: Text
+    , clientUser :: Text
+    , clientPid :: Maybe ProcessID
+    , clientStatus :: TVar (Maybe Stanza)
+    , clientFlags :: TVar Int8
+    }
+
+cf_available :: Int8
+cf_available = 0x1
+cf_interested :: Int8
+cf_interested = 0x2
+
+-- | True if the client has sent an initial presence
+clientIsAvailable c  = do
+    flgs <- readTVar (clientFlags c)
+    return $ flgs .&. cf_available /= 0
+
+-- | True if the client has requested a roster
+clientIsInterested c = do
+    flgs <- readTVar (clientFlags c)
+    return $ flgs .&. cf_interested /= 0