@@ -20,12 +20,10 @@ module Language.Javascript.JSaddle.WebSockets (
20 , jsaddleApp
20 , jsaddleApp
21 , jsaddleWithAppOr
21 , jsaddleWithAppOr
22 , jsaddleAppWithJs
22 , jsaddleAppWithJs
24 , jsaddleAppPartial
23 , jsaddleAppPartial
25 , jsaddleJs
24 , jsaddleJs
26 , jsaddleJs'
25 , jsaddleJs'
29 , debugWrapper
27 , debugWrapper
@@ -60,57 +58,45 @@ import qualified Data.Map as M (empty, insert, lookup)
60import Data.IORef
58import Data.IORef
61 (readIORef, newIORef, atomicModifyIORef')
59 (readIORef, newIORef, atomicModifyIORef')
62import Data.ByteString.Lazy (ByteString)
60import Data.ByteString.Lazy (ByteString)
63−import qualified Data.ByteString.Lazy as LBS
61+import qualified Data.ByteString.Lazy as LBS (stripPrefix)
64− (toStrict, stripPrefix)
65import Control.Concurrent.MVar
62import Control.Concurrent.MVar
66 (tryTakeMVar, MVar, tryPutMVar, modifyMVar_, putMVar, takeMVar,
63 (tryTakeMVar, MVar, tryPutMVar, modifyMVar_, putMVar, takeMVar,
67 readMVar, newMVar, newEmptyMVar, modifyMVar)
64 readMVar, newMVar, newEmptyMVar, modifyMVar)
68import Network.Wai.Handler.Warp
65import Network.Wai.Handler.Warp
69 (defaultSettings, setTimeout, setPort, runSettings)
66 (defaultSettings, setTimeout, setPort, runSettings)
70−import Foreign.Store (readStore, lookupStore, writeStore, Store(..))
67+import Foreign.Store (newStore, readStore, lookupStore, writeStore, Store(..))
71import Language.Javascript.JSaddle (askJSM)
68import Language.Javascript.JSaddle (askJSM)
72import Control.Monad.IO.Class (MonadIO(..))
69import Control.Monad.IO.Class (MonadIO(..))
74import Language.Javascript.JSaddle.WebSockets.Compat (getTextMessageByteString)
71import Language.Javascript.JSaddle.WebSockets.Compat (getTextMessageByteString)
75−import qualified Data.Text.Encoding as T (decodeUtf8)
77jsaddleOr :: ConnectionOptions -> JSM () -> Application -> IO Application
73jsaddleOr :: ConnectionOptions -> JSM () -> Application -> IO Application
78jsaddleOr opts entryPoint otherApp = do
74jsaddleOr opts entryPoint otherApp = do
79 syncHandlers <- newIORef M.empty
75 syncHandlers <- newIORef M.empty
80− asyncHandlers <- newIORef M.empty
81 let wsApp :: ServerApp
76 let wsApp :: ServerApp
82 wsApp pending_conn = do
77 wsApp pending_conn = do
83 conn <- acceptRequest pending_conn
78 conn <- acceptRequest pending_conn
84− initMsg <- receiveDataMessage conn
85− case getTextMessageByteString initMsg of
87− rec (processResult, processSyncResult, start) <- runJavaScript (sendTextData conn . encode) $ do
79+ rec (processResult, processSyncResult, start) <- runJavaScript (sendTextData conn . encode) $ do
88− syncKey <- T.pack . show . contextId <$> askJSM
80+ syncKey <- T.pack . show . contextId <$> askJSM
89− liftIO $ atomicModifyIORef' syncHandlers (\m -> (M.insert syncKey processSyncResult m, ()))
81+ liftIO $ atomicModifyIORef' syncHandlers (\m -> (M.insert syncKey processSyncResult m, ()))
90− liftIO $ atomicModifyIORef' asyncHandlers (\m -> (M.insert syncKey processResult m, ()))
91− liftIO $ sendTextData conn (encode syncKey)
82+ liftIO $ sendTextData conn (encode syncKey)
92− entryPoint
83+ entryPoint
96− M.lookup (T.decodeUtf8 $ LBS.toStrict syncKey) <$> readIORef syncHandlers >>= \case
97− Nothing -> error "jsaddle missing sync message handler"
98− Just processResult ->
99− forever $
84+ _ <- forkIO . forever $
100− receiveDataMessage conn >>= \msg -> case getTextMessageByteString msg of
85+ receiveDataMessage conn >>= \msg -> case getTextMessageByteString msg of
101− Just t ->
86+ Just t ->
102− case decode t of
87+ case decode t of
103− Nothing -> error $ "jsaddle Results decode failed : " <> show t
88+ Nothing -> error $ "jsaddle Results decode failed : " <> show t
104− Just r -> processResult r
89+ Just r -> processResult r
105− _ -> error "jsaddle WebSocket unexpected binary data"
90+ _ -> error "jsaddle WebSocket unexpected binary data"
106− _ -> error "jsaddle WebSocket unexpected binary data"
91+ start
108 -- Based on Network.WebSocket.forkPingThread
94 -- Based on Network.WebSocket.forkPingThread
109 waitTillClosed conn = ignore `handle` go 1
95 waitTillClosed conn = ignore `handle` go 1
111 go :: Int -> IO ()
97 go :: Int -> IO ()
112 go i = do
98 go i = do
113− threadDelay (10 * 1000 * 1000)
99+ threadDelay (1 * 1000 * 1000)
114 sendPing conn (T.pack $ show i)
100 sendPing conn (T.pack $ show i)
115 go (i + 1)
101 go (i + 1)
@@ -143,14 +129,9 @@ jsaddleApp = jsaddleAppWithJs $ jsaddleJs False
144jsaddleAppWithJs :: ByteString -> Application
130jsaddleAppWithJs :: ByteString -> Application
145jsaddleAppWithJs js req sendResponse =
131jsaddleAppWithJs js req sendResponse =
146− jsaddleAppWithJsOr js
132+ fromMaybe
147− (\_ _ -> sendResponse $ W.responseLBS H.status403 [("Content-Type", "text/plain")] "Forbidden")
133+ (sendResponse $ W.responseLBS H.status403 [("Content-Type", "text/plain")] "Forbidden")
150−jsaddleAppWithJsOr :: ByteString -> Application -> Application
151−jsaddleAppWithJsOr js otherApp req sendResponse =
152− fromMaybe (otherApp req sendResponse)
153− (jsaddleAppPartialWithJs js req sendResponse)
134+ (jsaddleAppPartialWithJs js req sendResponse)
155jsaddleWithAppOr :: ConnectionOptions -> JSM () -> Application -> IO Application
136jsaddleWithAppOr :: ConnectionOptions -> JSM () -> Application -> IO Application
156jsaddleWithAppOr opts entryPoint otherApp = jsaddleOr opts entryPoint $ \req sendResponse ->
137jsaddleWithAppOr opts entryPoint otherApp = jsaddleOr opts entryPoint $ \req sendResponse ->
@@ -176,7 +157,7 @@ jsaddleJs = jsaddleJs' Nothing
176-- sed -e 's|\\|\\\\|g' -e 's|^| \\|' -e 's|$|\\n\\|' -e 's|"|\\"|g' data/jsaddle.js | pbcopy
157-- sed -e 's|\\|\\\\|g' -e 's|^| \\|' -e 's|$|\\n\\|' -e 's|"|\\"|g' data/jsaddle.js | pbcopy
177jsaddleJs' :: Maybe ByteString -> Bool -> ByteString
158jsaddleJs' :: Maybe ByteString -> Bool -> ByteString
178jsaddleJs' jsaddleUri refreshOnLoad = "\
159jsaddleJs' jsaddleUri refreshOnLoad = "\
179− \if(typeof global !== \"undefined\" && typeof require === \"function\") {\n\
160+ \if(typeof global !== \"undefined\") {\n\
180 \ global.window = global;\n\
161 \ global.window = global;\n\
181 \ global.WebSocket = require('ws');\n\
162 \ global.WebSocket = require('ws');\n\
@@ -188,30 +169,20 @@ jsaddleJs' jsaddleUri refreshOnLoad = "\
188 (jsaddleUri >>= LBS.stripPrefix "http")
169 (jsaddleUri >>= LBS.stripPrefix "http")
191− \ var ws0 = new WebSocket(wsaddress);\n\
172+ \ var ws = new WebSocket(wsaddress);\n\
192 \ var syncKey = \"\";\n\
173 \ var syncKey = \"\";\n\
194− \ ws0.onopen = function(e) {\n\
175+ \ ws.onopen = function(e) {\n\
195− \ ws0.send(\"\");\n\
196− \ var initialResults = [];\n\
197− \ var ws = {send: function(m) {initialResults.push(m);}};\n\
198 \ " <> initState <> "\n\
176 \ " <> initState <> "\n\
200− \ ws0.onmessage = function(e) {\n\
178+ \ ws.onmessage = function(e) {\n\
201 \ var batch = JSON.parse(e.data);\n\
179 \ var batch = JSON.parse(e.data);\n\
202 \ if(inCallback > 0) {\n\
180 \ if(inCallback > 0) {\n\
203 \ asyncBatch = batch;\n\
181 \ asyncBatch = batch;\n\
204 \ return;\n\
182 \ return;\n\
206 \ if(typeof batch === \"string\") {\n\
184 \ if(typeof batch === \"string\") {\n\
207− \ syncKey = batch;\n\
185+ \ syncKey = batch;\n" <>
208− \ var ws1 = new WebSocket(wsaddress);\n\
209− \ ws1.onopen = function(e) {\n\
210− \ ws1.send(syncKey);\n\
211− \ initialResults.forEach(function(m){ ws1.send(m); });\n\
212− \ initialResults = null;\n\
215 (if refreshOnLoad
186 (if refreshOnLoad
216 then " var xhr = new XMLHttpRequest();\n\
187 then " var xhr = new XMLHttpRequest();\n\
217 \ xhr.open('POST', '/reload/'+syncKey, true);\n\
188 \ xhr.open('POST', '/reload/'+syncKey, true);\n\
@@ -233,7 +204,7 @@ jsaddleJs' jsaddleUri refreshOnLoad = "\
233 \ return JSON.parse(xhr.response);})()")) <> "\
204 \ return JSON.parse(xhr.response);})()")) <> "\
236− \ ws0.onerror = function() {\n\
207+ \ ws.onerror = function() {\n\
237 \ setTimeout(connect, 1000);\n\
208 \ setTimeout(connect, 1000);\n\
@@ -252,13 +223,6 @@ debug port f = do
252 jsaddleOr defaultConnectionOptions (registerContext >> f >> syncPoint) (withRefresh $ jsaddleAppWithJs $ jsaddleJs True)
223 jsaddleOr defaultConnectionOptions (registerContext >> f >> syncPoint) (withRefresh $ jsaddleAppWithJs $ jsaddleJs True)
253 putStrLn $ "<a href=\"http://localhost:" <> show port <> "\">run</a>"
224 putStrLn $ "<a href=\"http://localhost:" <> show port <> "\">run</a>"
255−debugOr :: Int -> JSM () -> Application -> IO ()
256−debugOr port f b = do
257− debugWrapper $ \withRefresh registerContext ->
258− runSettings (setPort port (setTimeout 3600 defaultSettings)) =<<
259− jsaddleOr defaultConnectionOptions (registerContext >> f >> syncPoint) (withRefresh $ jsaddleAppWithJsOr (jsaddleJs True) b)
260− putStrLn $ "<a href=\"http://localhost:" <> show port <> "\">run</a>"
262refreshMiddleware :: ((Response -> IO ResponseReceived) -> IO ResponseReceived) -> Middleware
226refreshMiddleware :: ((Response -> IO ResponseReceived) -> IO ResponseReceived) -> Middleware
263refreshMiddleware refresh otherApp req sendResponse = case (W.requestMethod req, W.pathInfo req) of
227refreshMiddleware refresh otherApp req sendResponse = case (W.requestMethod req, W.pathInfo req) of
264 ("POST", ["reload", _syncKey]) -> refresh sendResponse
228 ("POST", ["reload", _syncKey]) -> refresh sendResponse