{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}
module Main (main) where
import Control.Arrow (first)
import Control.Concurrent
import Control.Exception
import Control.Monad
import Control.Monad.Except
import Control.Monad.Reader
import Control.Monad.State
import Control.Monad.Trans.Maybe
import Crypto.Random
import qualified Data.ByteString.Char8 as BC
import qualified Data.ByteString.Lazy as BL
import Data.Char
import Data.List
import Data.Maybe
import Data.Ord
import Data.Text (Text)
import Data.Text qualified as T
import Data.Text.Encoding qualified as T
import Data.Text.IO qualified as T
import Data.Time.LocalTime
import Data.Typeable
import Network.Socket
import System.Console.GetOpt
import System.Console.Haskeline
import System.Environment
import System.Exit
import System.IO
import Erebos.Attach
import Erebos.Contact
import Erebos.Conversation
#ifdef ENABLE_ICE_SUPPORT
import Erebos.Discovery
import Erebos.ICE
#endif
import Erebos.Identity
import Erebos.Message hiding (formatMessage)
import Erebos.Network
import Erebos.PubKey
import Erebos.Service
import Erebos.Set
import Erebos.State
import Erebos.Storage
import Erebos.Storage.Merge
import Erebos.Sync
import Test
import Version
data Options = Options
{ optServer :: ServerOptions
, optServices :: [ServiceOption]
, optDmBotEcho :: Maybe Text
, optShowHelp :: Bool
, optShowVersion :: Bool
}
data ServiceOption = ServiceOption
{ soptName :: String
, soptService :: SomeService
, soptEnabled :: Bool
, soptDescription :: String
}
defaultOptions :: Options
defaultOptions = Options
{ optServer = defaultServerOptions
, optServices = availableServices
, optDmBotEcho = Nothing
, optShowHelp = False
, optShowVersion = False
}
availableServices :: [ServiceOption]
availableServices =
[ ServiceOption "attach" (someService @AttachService Proxy)
True "attach (to) other devices"
, ServiceOption "sync" (someService @SyncService Proxy)
True "synchronization with attached devices"
, ServiceOption "contact" (someService @ContactService Proxy)
True "create contacts with network peers"
, ServiceOption "dm" (someService @DirectMessage Proxy)
True "direct messages"
#ifdef ENABLE_ICE_SUPPORT
, ServiceOption "discovery" (someService @DiscoveryService Proxy)
True "peer discovery"
#endif
]
options :: [OptDescr (Options -> Options)]
options =
[ Option ['p'] ["port"]
(ReqArg (\p -> so $ \opts -> opts { serverPort = read p }) "<port>")
"local port to bind"
, Option ['s'] ["silent"]
(NoArg (so $ \opts -> opts { serverLocalDiscovery = False }))
"do not send announce packets for local discovery"
, Option [] ["dm-bot-echo"]
(ReqArg (\prefix -> \opts -> opts { optDmBotEcho = Just (T.pack prefix) }) "<prefix>")
"automatically reply to direct messages with the same text prefixed with <prefix>"
, Option ['h'] ["help"]
(NoArg $ \opts -> opts { optShowHelp = True })
"show this help and exit"
, Option ['V'] ["version"]
(NoArg $ \opts -> opts { optShowVersion = True })
"show version and exit"
]
where so f opts = opts { optServer = f $ optServer opts }
servicesOptions :: [OptDescr (Options -> Options)]
servicesOptions = concatMap helper $ "all" : map soptName availableServices
where
helper name =
[ Option [] ["enable-" <> name] (NoArg $ so $ change name $ \sopt -> sopt { soptEnabled = True }) ""
, Option [] ["disable-" <> name] (NoArg $ so $ change name $ \sopt -> sopt { soptEnabled = False }) ""
]
so f opts = opts { optServices = f $ optServices opts }
change :: String -> (ServiceOption -> ServiceOption) -> [ServiceOption] -> [ServiceOption]
change name f (s : ss)
| soptName s == name || name == "all"
= f s : change name f ss
| otherwise = s : change name f ss
change _ _ [] = []
main :: IO ()
main = do
st <- liftIO $ openStorage . fromMaybe "./.erebos" =<< lookupEnv "EREBOS_DIR"
getArgs >>= \case
["cat-file", sref] -> do
readRef st (BC.pack sref) >>= \case
Nothing -> error "ref does not exist"
Just ref -> BL.putStr $ lazyLoadBytes ref
("cat-file" : objtype : srefs@(_:_)) -> do
sequence <$> (mapM (readRef st . BC.pack) srefs) >>= \case
Nothing -> error "ref does not exist"
Just refs -> case objtype of
"signed" -> forM_ refs $ \ref -> do
let signed = load ref :: Signed Object
BL.putStr $ lazyLoadBytes $ storedRef $ signedData signed
forM_ (signedSignature signed) $ \sig -> do
putStr $ "SIG "
BC.putStrLn $ showRef $ storedRef $ sigKey $ fromStored sig
"identity" -> case validateIdentityF (wrappedLoad <$> refs) of
Just identity -> do
let disp :: Identity m -> IO ()
disp idt = do
maybe (return ()) (T.putStrLn . (T.pack "Name: " `T.append`)) $ idName idt
BC.putStrLn . (BC.pack "KeyId: " `BC.append`) . showRefDigest . refDigest . storedRef $ idKeyIdentity idt
BC.putStrLn . (BC.pack "KeyMsg: " `BC.append`) . showRefDigest . refDigest . storedRef $ idKeyMessage idt
case idOwner idt of
Nothing -> return ()
Just owner -> do
mapM_ (putStrLn . ("OWNER " ++) . BC.unpack . showRefDigest . refDigest . storedRef) $ idDataF owner
disp owner
disp identity
Nothing -> putStrLn $ "Identity verification failed"
_ -> error $ "unknown object type '" ++ objtype ++ "'"
["show-generation", sref] -> readRef st (BC.pack sref) >>= \case
Nothing -> error "ref does not exist"
Just ref -> print $ storedGeneration (wrappedLoad ref :: Stored Object)
["update-identity"] -> either fail return <=< runExceptT $ do
runReaderT updateSharedIdentity =<< loadLocalStateHead st
("update-identity" : srefs) -> do
sequence <$> mapM (readRef st . BC.pack) srefs >>= \case
Nothing -> error "ref does not exist"
Just refs
| Just idt <- validateIdentityF $ map wrappedLoad refs -> do
BC.putStrLn . showRefDigest . refDigest . storedRef . idData =<<
(either fail return <=< runExceptT $ runReaderT (interactiveIdentityUpdate idt) st)
| otherwise -> error "invalid identity"
["test"] -> runTestTool st
args -> case getOpt Permute (options ++ servicesOptions) args of
(o, [], []) -> do
let opts = foldl (flip id) defaultOptions o
header = "Usage: erebos [OPTION...]"
serviceDesc ServiceOption {..} = padService (" " <> soptName) <> soptDescription
padTo n str = str <> replicate (n - length str) ' '
padOpt = padTo 37
padService = padTo 16
if | optShowHelp opts -> putStr $ usageInfo header options <> unlines
(
[ padOpt " --enable-<service>" <> "enable network service <service>"
, padOpt " --disable-<service>" <> "disable network service <service>"
, padOpt " --enable-all" <> "enable all network services"
, padOpt " --disable-all" <> "disable all network services"
, ""
, "Available network services:"
] ++ map serviceDesc availableServices
)
| optShowVersion opts -> putStrLn versionLine
| otherwise -> interactiveLoop st opts
(_, _, errs) -> do
progName <- getProgName
hPutStrLn stderr $ concat errs <> "Try `" <> progName <> " --help' for more information."
exitFailure
inputSettings :: Settings IO
inputSettings = setComplete commandCompletion $ defaultSettings
interactiveLoop :: Storage -> Options -> IO ()
interactiveLoop st opts = runInputT inputSettings $ do
erebosHead <- liftIO $ loadLocalStateHead st
outputStrLn $ T.unpack $ displayIdentity $ headLocalIdentity erebosHead
tui <- haveTerminalUI
extPrint <- getExternalPrint
let extPrintLn str = extPrint $ case reverse str of ('\n':_) -> str
_ -> str ++ "\n";
let getInputLinesTui eprompt = do
prompt <- case eprompt of
Left cstate -> do
pname <- case csContext cstate of
NoContext -> return ""
SelectedPeer peer -> peerIdentity peer >>= return . \case
PeerIdentityFull pid -> maybe "<unnamed>" T.unpack $ idName $ finalOwner pid
PeerIdentityRef wref _ -> "<" ++ BC.unpack (showRefDigest $ wrDigest wref) ++ ">"
PeerIdentityUnknown _ -> "<unknown>"
SelectedContact contact -> return $ T.unpack $ contactName contact
SelectedConversation conv -> return $ T.unpack $ conversationName conv
return $ pname ++ "> "
Right prompt -> return prompt
Just input <- lift $ getInputLine prompt
case reverse input of
_ | all isSpace input -> getInputLinesTui eprompt
'\\':rest -> (reverse ('\n':rest) ++) <$> getInputLinesTui (Right ">> ")
_ -> return input
getInputCommandTui cstate = do
input <- getInputLinesTui cstate
let (CommandM cmd, line) = case input of
'/':rest -> let (scmd, args) = dropWhile isSpace <$> span (\c -> isAlphaNum c || c == '-') rest
in if not (null scmd) && all isDigit scmd
then (cmdSelectContext, scmd)
else (fromMaybe (cmdUnknown scmd) $ lookup scmd commands, args)
_ -> (cmdSend, input)
return (cmd, line)
getInputLinesPipe = do
lift (getInputLine "") >>= \case
Just input -> return input
Nothing -> liftIO $ forever $ threadDelay 100000000
getInputCommandPipe _ = do
input <- getInputLinesPipe
let (scmd, args) = dropWhile isSpace <$> span (\c -> isAlphaNum c || c == '-') input
let (CommandM cmd, line) = (fromMaybe (cmdUnknown scmd) $ lookup scmd commands, args)
return (cmd, line)
let getInputCommand = if tui then getInputCommandTui . Left
else getInputCommandPipe
_ <- liftIO $ do
tzone <- getCurrentTimeZone
watchReceivedMessages erebosHead $ \smsg -> do
let msg = fromStored smsg
extPrintLn $ formatDirectMessage tzone msg
case optDmBotEcho opts of
Nothing -> return ()
Just prefix -> do
res <- runExceptT $ flip runReaderT erebosHead $ sendDirectMessage (msgFrom msg) (prefix <> msgText msg)
case res of
Right reply -> extPrintLn $ formatDirectMessage tzone $ fromStored reply
Left err -> extPrintLn $ "Failed to send dm echo: " <> err
server <- liftIO $ do
startServer (optServer opts) erebosHead extPrintLn $
map soptService $ filter soptEnabled $ optServices opts
peers <- liftIO $ newMVar []
contextOptions <- liftIO $ newMVar []
void $ liftIO $ forkIO $ void $ forever $ do
peer <- getNextPeerChange server
peerIdentity peer >>= \case
pid@(PeerIdentityFull _) -> do
dropped <- isPeerDropped peer
let shown = showPeer pid $ peerAddress peer
let update [] = ([(peer, shown)], (Nothing, "NEW"))
update ((p,s):ps)
| p == peer && dropped = (ps, (Nothing, "DEL"))
| p == peer = ((peer, shown) : ps, (Just s, "UPD"))
| otherwise = first ((p,s):) $ update ps
let ctxUpdate n [] = ([SelectedPeer peer], n)
ctxUpdate n (ctx:ctxs)
| SelectedPeer p <- ctx, p == peer = (ctx:ctxs, n)
| otherwise = first (ctx:) $ ctxUpdate (n + 1) ctxs
(op, updateType) <- modifyMVar peers (return . update)
let updateType' = if dropped then "DEL" else updateType
idx <- modifyMVar contextOptions (return . ctxUpdate (1 :: Int))
when (Just shown /= op) $ extPrintLn $ "[" <> show idx <> "] PEER " <> updateType' <> " " <> shown
_ -> return ()
let process :: CommandState -> MaybeT (InputT IO) CommandState
process cstate = do
(cmd, line) <- getInputCommand cstate
h <- liftIO (reloadHead $ csHead cstate) >>= \case
Just h -> return h
Nothing -> do lift $ lift $ extPrintLn "current head deleted"
mzero
res <- liftIO $ runExceptT $ flip execStateT cstate { csHead = h } $ runReaderT cmd CommandInput
{ ciServer = server
, ciLine = line
, ciPrint = extPrintLn
, ciPeers = liftIO $ modifyMVar peers $ \ps -> do
ps' <- filterM (fmap not . isPeerDropped . fst) ps
return (ps', ps')
, ciContextOptions = liftIO $ readMVar contextOptions
, ciSetContextOptions = \ctxs -> liftIO $ modifyMVar_ contextOptions $ const $ return ctxs
}
case res of
Right cstate'
| csQuit cstate' -> mzero
| otherwise -> return cstate'
Left err -> do
lift $ lift $ extPrintLn $ "Error: " ++ err
return cstate
let loop (Just cstate) = runMaybeT (process cstate) >>= loop
loop Nothing = return ()
loop $ Just $ CommandState
{ csHead = erebosHead
, csContext = NoContext
#ifdef ENABLE_ICE_SUPPORT
, csIceSessions = []
#endif
, csIcePeer = Nothing
, csQuit = False
}
data CommandInput = CommandInput
{ ciServer :: Server
, ciLine :: String
, ciPrint :: String -> IO ()
, ciPeers :: CommandM [(Peer, String)]
, ciContextOptions :: CommandM [CommandContext]
, ciSetContextOptions :: [CommandContext] -> Command
}
data CommandState = CommandState
{ csHead :: Head LocalState
, csContext :: CommandContext
#ifdef ENABLE_ICE_SUPPORT
, csIceSessions :: [IceSession]
#endif
, csIcePeer :: Maybe Peer
, csQuit :: Bool
}
data CommandContext = NoContext
| SelectedPeer Peer
| SelectedContact Contact
| SelectedConversation Conversation
newtype CommandM a = CommandM (ReaderT CommandInput (StateT CommandState (ExceptT String IO)) a)
deriving (Functor, Applicative, Monad, MonadReader CommandInput, MonadState CommandState, MonadError String)
instance MonadFail CommandM where
fail = throwError
instance MonadIO CommandM where
liftIO act = CommandM (liftIO (try act)) >>= \case
Left (e :: SomeException) -> throwError (show e)
Right x -> return x
instance MonadRandom CommandM where
getRandomBytes = liftIO . getRandomBytes
instance MonadStorage CommandM where
getStorage = gets $ headStorage . csHead
instance MonadHead LocalState CommandM where
updateLocalHead f = do
h <- gets csHead
(Just h', x) <- maybe (fail "failed to reload head") (flip updateHead f) =<< reloadHead h
modify $ \s -> s { csHead = h' }
return x
type Command = CommandM ()
getSelectedPeer :: CommandM Peer
getSelectedPeer = gets csContext >>= \case
SelectedPeer peer -> return peer
_ -> throwError "no peer selected"
getSelectedConversation :: CommandM Conversation
getSelectedConversation = gets csContext >>= \case
SelectedPeer peer -> peerIdentity peer >>= \case
PeerIdentityFull pid -> directMessageConversation $ finalOwner pid
_ -> throwError "incomplete peer identity"
SelectedContact contact -> case contactIdentity contact of
Just cid -> directMessageConversation cid
Nothing -> throwError "contact without erebos identity"
SelectedConversation conv -> reloadConversation conv
_ -> throwError "no contact, peer or conversation selected"
commands :: [(String, Command)]
commands =
[ ("history", cmdHistory)
, ("peers", cmdPeers)
, ("peer-add", cmdPeerAdd)
, ("peer-add-public", cmdPeerAddPublic)
, ("peer-drop", cmdPeerDrop)
, ("send", cmdSend)
, ("update-identity", cmdUpdateIdentity)
, ("attach", cmdAttach)
, ("attach-accept", cmdAttachAccept)
, ("attach-reject", cmdAttachReject)
, ("contacts", cmdContacts)
, ("contact-add", cmdContactAdd)
, ("contact-accept", cmdContactAccept)
, ("contact-reject", cmdContactReject)
, ("conversations", cmdConversations)
, ("details", cmdDetails)
#ifdef ENABLE_ICE_SUPPORT
, ("discovery-init", cmdDiscoveryInit)
, ("discovery", cmdDiscovery)
, ("ice-create", cmdIceCreate)
, ("ice-destroy", cmdIceDestroy)
, ("ice-show", cmdIceShow)
, ("ice-connect", cmdIceConnect)
, ("ice-send", cmdIceSend)
#endif
, ("select", cmdSelectContext)
, ("quit", cmdQuit)
]
commandCompletion :: CompletionFunc IO
commandCompletion = completeWordWithPrev Nothing [ ' ', '\t', '\n', '\r' ] $ curry $ \case
([], '/':pref) -> return . map (simpleCompletion . ('/':)) . filter (pref `isPrefixOf`) $ sortedCommandNames
_ -> return []
where
sortedCommandNames = sort $ map fst commands
cmdUnknown :: String -> Command
cmdUnknown cmd = liftIO $ putStrLn $ "Unknown command: " ++ cmd
cmdPeers :: Command
cmdPeers = do
peers <- join $ asks ciPeers
set <- asks ciSetContextOptions
set $ map (SelectedPeer . fst) peers
forM_ (zip [1..] peers) $ \(i :: Int, (_, name)) -> do
liftIO $ putStrLn $ "[" ++ show i ++ "] " ++ name
cmdPeerAdd :: Command
cmdPeerAdd = void $ do
server <- asks ciServer
(hostname, port) <- (words <$> asks ciLine) >>= \case
hostname:p:_ -> return (hostname, p)
[hostname] -> return (hostname, show discoveryPort)
[] -> throwError "missing peer address"
addr:_ <- liftIO $ getAddrInfo (Just $ defaultHints { addrSocketType = Datagram }) (Just hostname) (Just port)
liftIO $ serverPeer server (addrAddress addr)
cmdPeerAddPublic :: Command
cmdPeerAddPublic = do
server <- asks ciServer
addr:_ <- liftIO $ getAddrInfo (Just $ defaultHints { addrSocketType = Datagram }) (Just "discovery1.erebosprotocol.net") (Just (show discoveryPort))
void $ liftIO $ serverPeer server (addrAddress addr)
cmdPeerDrop :: Command
cmdPeerDrop = do
dropPeer =<< getSelectedPeer
modify $ \s -> s { csContext = NoContext }
showPeer :: PeerIdentity -> PeerAddress -> String
showPeer pidentity paddr =
let name = case pidentity of
PeerIdentityUnknown _ -> "<noid>"
PeerIdentityRef wref _ -> "<" ++ BC.unpack (showRefDigest $ wrDigest wref) ++ ">"
PeerIdentityFull pid -> T.unpack $ displayIdentity pid
in name ++ " [" ++ show paddr ++ "]"
cmdSelectContext :: Command
cmdSelectContext = do
n <- read <$> asks ciLine
join (asks ciContextOptions) >>= \ctxs -> if
| n > 0, (ctx : _) <- drop (n - 1) ctxs -> modify $ \s -> s { csContext = ctx }
| otherwise -> throwError "invalid index"
cmdSend :: Command
cmdSend = void $ do
text <- asks ciLine
conv <- getSelectedConversation
msg <- sendMessage conv $ T.pack text
tzone <- liftIO $ getCurrentTimeZone
liftIO $ putStrLn $ formatMessage tzone msg
cmdHistory :: Command
cmdHistory = void $ do
conv <- getSelectedConversation
case conversationHistory conv of
thread@(_:_) -> do
tzone <- liftIO $ getCurrentTimeZone
liftIO $ mapM_ (putStrLn . formatMessage tzone) $ reverse $ take 50 thread
[] -> do
liftIO $ putStrLn $ "<empty history>"
cmdUpdateIdentity :: Command
cmdUpdateIdentity = void $ do
runReaderT updateSharedIdentity =<< gets csHead
cmdAttach :: Command
cmdAttach = attachToOwner =<< getSelectedPeer
cmdAttachAccept :: Command
cmdAttachAccept = attachAccept =<< getSelectedPeer
cmdAttachReject :: Command
cmdAttachReject = attachReject =<< getSelectedPeer
cmdContacts :: Command
cmdContacts = do
args <- words <$> asks ciLine
ehead <- gets csHead
let contacts = fromSetBy (comparing contactName) $ lookupSharedValue $ lsShared $ headObject ehead
verbose = "-v" `elem` args
set <- asks ciSetContextOptions
set $ map SelectedContact contacts
forM_ (zip [1..] contacts) $ \(i :: Int, c) -> liftIO $ do
T.putStrLn $ T.concat
[ "[", T.pack (show i), "] ", contactName c
, case contactIdentity c of
Just idt | cname <- displayIdentity idt
, cname /= contactName c
-> " (" <> cname <> ")"
_ -> ""
, if verbose then " " <> (T.unwords $ map (T.decodeUtf8 . showRef . storedRef) $ maybe [] idDataF $ contactIdentity c)
else ""
]
cmdContactAdd :: Command
cmdContactAdd = contactRequest =<< getSelectedPeer
cmdContactAccept :: Command
cmdContactAccept = contactAccept =<< getSelectedPeer
cmdContactReject :: Command
cmdContactReject = contactReject =<< getSelectedPeer
cmdConversations :: Command
cmdConversations = do
conversations <- lookupConversations
set <- asks ciSetContextOptions
set $ map SelectedConversation conversations
forM_ (zip [1..] conversations) $ \(i :: Int, conv) -> do
liftIO $ putStrLn $ "[" ++ show i ++ "] " ++ T.unpack (conversationName conv)
cmdDetails :: Command
cmdDetails = do
gets csContext >>= \case
SelectedPeer peer -> do
liftIO $ putStr $ unlines
[ "Network peer:"
, " " <> show (peerAddress peer)
]
peerIdentity peer >>= \case
PeerIdentityUnknown _ -> liftIO $ do
putStrLn $ "unknown identity"
PeerIdentityRef wref _ -> liftIO $ do
putStrLn $ "Identity ref:"
putStrLn $ " " <> BC.unpack (showRefDigest $ wrDigest wref)
PeerIdentityFull pid -> printContactOrIdentityDetails pid
SelectedContact contact -> do
printContactDetails contact
SelectedConversation conv -> do
case conversationPeer conv of
Just pid -> printContactOrIdentityDetails pid
Nothing -> liftIO $ putStrLn $ "(conversation without peer)"
NoContext -> liftIO $ putStrLn "nothing selected"
where
printContactOrIdentityDetails cid = do
contacts <- fromSetBy (comparing contactName) . lookupSharedValue . lsShared . fromStored <$> getLocalHead
case find (maybe False (sameIdentity cid) . contactIdentity) contacts of
Just contact -> printContactDetails contact
Nothing -> printIdentityDetails cid
printContactDetails contact = liftIO $ do
putStrLn $ "Contact:"
prefix <- case contactCustomName contact of
Just name -> do
putStrLn $ " " <> T.unpack name
return $ Just "alias of"
Nothing -> do
return $ Nothing
case contactIdentity contact of
Just cid -> do
printIdentityDetailsBody prefix cid
Nothing -> do
putStrLn $ " (without erebos identity)"
printIdentityDetails identity = liftIO $ do
putStrLn $ "Identity:"
printIdentityDetailsBody Nothing identity
printIdentityDetailsBody prefix identity = do
forM_ (zip (False : repeat True) $ unfoldOwners identity) $ \(owned, cpid) -> do
putStrLn $ unwords $ concat
[ [ " " ]
, if owned then [ "owned by" ] else maybeToList prefix
, [ maybe "<unnamed>" T.unpack (idName cpid) ]
, map (BC.unpack . showRefDigest . refDigest . storedRef) $ idExtDataF cpid
]
#ifdef ENABLE_ICE_SUPPORT
cmdDiscoveryInit :: Command
cmdDiscoveryInit = void $ do
server <- asks ciServer
(hostname, port) <- (words <$> asks ciLine) >>= return . \case
hostname:p:_ -> (hostname, p)
[hostname] -> (hostname, show discoveryPort)
[] -> ("discovery.erebosprotocol.net", show discoveryPort)
addr:_ <- liftIO $ getAddrInfo (Just $ defaultHints { addrSocketType = Datagram }) (Just hostname) (Just port)
peer <- liftIO $ serverPeer server (addrAddress addr)
sendToPeer peer $ DiscoverySelf (T.pack "ICE") 0
modify $ \s -> s { csIcePeer = Just peer }
cmdDiscovery :: Command
cmdDiscovery = void $ do
Just peer <- gets csIcePeer
st <- getStorage
sref <- asks ciLine
eprint <- asks ciPrint
liftIO $ readRef st (BC.pack sref) >>= \case
Nothing -> error "ref does not exist"
Just ref -> do
res <- runExceptT $ sendToPeer peer $ DiscoverySearch ref
case res of
Right _ -> return ()
Left err -> eprint err
cmdIceCreate :: Command
cmdIceCreate = do
role <- asks ciLine >>= return . \case
'm':_ -> PjIceSessRoleControlling
's':_ -> PjIceSessRoleControlled
_ -> PjIceSessRoleUnknown
eprint <- asks ciPrint
sess <- liftIO $ iceCreate role $ eprint <=< iceShow
modify $ \s -> s { csIceSessions = sess : csIceSessions s }
cmdIceDestroy :: Command
cmdIceDestroy = do
s:ss <- gets csIceSessions
modify $ \st -> st { csIceSessions = ss }
liftIO $ iceDestroy s
cmdIceShow :: Command
cmdIceShow = do
sess <- gets csIceSessions
eprint <- asks ciPrint
liftIO $ forM_ (zip [1::Int ..] sess) $ \(i, s) -> do
eprint $ "[" ++ show i ++ "]"
eprint =<< iceShow s
cmdIceConnect :: Command
cmdIceConnect = do
s:_ <- gets csIceSessions
server <- asks ciServer
let loadInfo = BC.getLine >>= \case line | BC.null line -> return []
| otherwise -> (line:) <$> loadInfo
Right remote <- liftIO $ do
st <- memoryStorage
pst <- derivePartialStorage st
rbytes <- (BL.fromStrict . BC.unlines) <$> loadInfo
copyRef st =<< storeRawBytes pst (BL.fromChunks [ BC.pack "rec ", BC.pack (show (BL.length rbytes)), BC.singleton '\n' ] `BL.append` rbytes)
liftIO $ iceConnect s (load remote) $ void $ serverPeerIce server s
cmdIceSend :: Command
cmdIceSend = void $ do
s:_ <- gets csIceSessions
server <- asks ciServer
liftIO $ serverPeerIce server s
#endif
cmdQuit :: Command
cmdQuit = modify $ \s -> s { csQuit = True }