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the morpho server is now updated and works with the current GF. the sources are moved in directory server

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This commit is contained in:
krasimir
2009-06-04 16:26:52 +00:00
parent 6a263f05aa
commit f2a968b6d5
16 changed files with 235 additions and 596 deletions
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141
src/morpho-server/FastCGIUtils.hs
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@@ -1,141 +0,0 @@
{-# LANGUAGE DeriveDataTypeable #-}
module FastCGIUtils (initFastCGI, loopFastCGI,
DataRef, newDataRef, getData,
throwCGIError, handleCGIErrors) where
import Control.Concurrent
import Control.Exception
import Control.Monad
import Data.Dynamic
import Data.IORef
import Prelude hiding (catch)
import System.Directory
import System.Environment
import System.Exit
import System.IO
import System.IO.Unsafe
import System.Posix
import System.Time
import Network.FastCGI
initFastCGI :: IO ()
initFastCGI = installSignalHandlers
loopFastCGI :: CGI CGIResult -> IO ()
loopFastCGI f =
do (do runOneFastCGI f
exitIfToldTo
restartIfModified)
`catchAborted` logError "Request aborted"
loopFastCGI f
-- Signal handling for FastCGI programs.
installSignalHandlers :: IO ()
installSignalHandlers =
do t <- myThreadId
installHandler sigUSR1 (Catch gracefulExit) Nothing
installHandler sigTERM (Catch gracelessExit) Nothing
installHandler sigPIPE (Catch (requestAborted t)) Nothing
return ()
{-# NOINLINE shouldExit #-}
shouldExit :: IORef Bool
shouldExit = unsafePerformIO $ newIORef False
catchAborted :: IO a -> IO a -> IO a
catchAborted x y = x `catch` \e -> case e of
ErrorCall "**aborted**" -> y
_ -> throw e
requestAborted :: ThreadId -> IO ()
requestAborted t = throwTo t (ErrorCall "**aborted**")
gracelessExit :: IO ()
gracelessExit = do logError "Graceless exit"
exitWith ExitSuccess
gracefulExit :: IO ()
gracefulExit =
do logError "Graceful exit"
writeIORef shouldExit True
exitIfToldTo :: IO ()
exitIfToldTo =
do b <- readIORef shouldExit
when b $ do logError "Exiting..."
exitWith ExitSuccess
-- Restart handling for FastCGI programs.
{-# NOINLINE myModTimeRef #-}
myModTimeRef :: IORef EpochTime
myModTimeRef = unsafePerformIO (getProgModTime >>= newIORef)
-- FIXME: doesn't get directory
myProgPath :: IO FilePath
myProgPath = getProgName
getProgModTime :: IO EpochTime
getProgModTime = liftM modificationTime (myProgPath >>= getFileStatus)
needsRestart :: IO Bool
needsRestart = liftM2 (/=) (readIORef myModTimeRef) getProgModTime
exitIfModified :: IO ()
exitIfModified =
do restart <- needsRestart
when restart $ exitWith ExitSuccess
restartIfModified :: IO ()
restartIfModified =
do restart <- needsRestart
when restart $ do prog <- myProgPath
args <- getArgs
hPutStrLn stderr $ prog ++ " has been modified, restarting ..."
-- FIXME: setCurrentDirectory?
executeFile prog False args Nothing
-- Utilities for getting and caching read-only data from disk.
-- The data is reloaded when the file on disk has been modified.
type DataRef a = IORef (Maybe (ClockTime, a))
newDataRef :: MonadIO m => m (DataRef a)
newDataRef = liftIO $ newIORef Nothing
getData :: MonadIO m => (FilePath -> m a) -> DataRef a -> FilePath -> m a
getData loadData ref file =
do t' <- liftIO $ getModificationTime file
m <- liftIO $ readIORef ref
case m of
Just (t,x) | t' == t -> return x
_ -> do logCGI $ "Loading " ++ show file ++ "..."
x <- loadData file
liftIO $ writeIORef ref (Just (t',x))
return x
-- Logging
logError :: String -> IO ()
logError s = hPutStrLn stderr s
-- * General CGI Error exception mechanism
data CGIError = CGIError { cgiErrorCode :: Int, cgiErrorMessage :: String, cgiErrorText :: [String] }
deriving Typeable
throwCGIError :: Int -> String -> [String] -> CGI a
throwCGIError c m t = throwCGI $ DynException $ toDyn $ CGIError c m t
handleCGIErrors :: CGI CGIResult -> CGI CGIResult
handleCGIErrors x = x `catchCGI` \e -> case e of
DynException d -> case fromDynamic d of
Nothing -> throw e
Just (CGIError c m t) -> outputError c m t
_ -> throw e

340
src/morpho-server/LICENSE
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@@ -1,340 +0,0 @@
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10
src/morpho-server/Makefile
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@@ -1,10 +0,0 @@
.PHONY: gf-morpho.fcgi clean
gf-morpho.fcgi:
ghc -i.. --make -o $@ MorphoServer.hs
# cabal configure
# cabal build
# cp dist/build/$@/$@ .
clean:
cabal clean

21
src/morpho-server/README
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@@ -1,21 +0,0 @@
Note, some paths are still hardcoded in MorphoServer.hs, you have to
change them before compiling.
See ../server/README for requirements and installation instructions
(replace gf.fcgi with gf-morpho.fcgi).
To build (doesn't yet use Cabal, since it needs some modules not yet in
the gf Cabal package):
$ make
When installed, try for example (change URL as appropriate):
http://localhost/~bringert/morpho-server/gf-morpho.fcgi/eval?term=mkN+%22talo%22
This will output a JSON representation of the resulting inflection table.
The JSON representation should be changed, I've noticed that it's much nicer
to have fixed object field names in JSON when using GWT. Perhaps the format
should be:
[[key, value]]

18
src/morpho-server/URLEncoding.hs
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@@ -1,18 +0,0 @@
module URLEncoding where
import Data.Bits (shiftL, (.|.))
import Data.Char (chr,digitToInt,isHexDigit)
urlDecodeUnicode :: String -> String
urlDecodeUnicode [] = ""
urlDecodeUnicode ('%':'u':x1:x2:x3:x4:s)
| all isHexDigit [x1,x2,x3,x4] =
chr ( digitToInt x1 `shiftL` 12
.|. digitToInt x2 `shiftL` 8
.|. digitToInt x3 `shiftL` 4
.|. digitToInt x4) : urlDecodeUnicode s
urlDecodeUnicode ('%':x1:x2:s) | isHexDigit x1 && isHexDigit x2 =
chr ( digitToInt x1 `shiftL` 4
.|. digitToInt x2) : urlDecodeUnicode s
urlDecodeUnicode (c:s) = c : urlDecodeUnicode s

22
src/morpho-server/gf-morpho-server.cabal
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@@ -1,22 +0,0 @@
name: gf-morpho-server
version: 1.0
cabal-version: >= 1.2
build-type: Simple
license: GPL
license-file: LICENSE
synopsis: FastCGI Morphology Server for Grammatical Framework
executable gf-morpho.fcgi
build-depends: base,
old-time,
unix,
directory,
containers,
gf,
cgi,
fastcgi,
json,
utf8-string
main-is: MorphoServer.hs
other-modules:
FastCGIUtils

31
src/morpho-server/MorphoServer.hs → src/server/MorphoService.hs
View File

@@ -1,6 +1,7 @@
import GF.Compile
import GF.Data.Operations
import GF.Grammar.API
import GF.Grammar.Parser
import GF.Grammar.Grammar (Term)
import GF.Grammar.PrGrammar (prTermTabular)
import GF.Infra.Option
@@ -10,35 +11,37 @@ import GF.Text.UTF8
import Network.FastCGI
import Text.JSON
import qualified Codec.Binary.UTF8.String as UTF8 (encodeString)
import Data.ByteString.Char8 as BS
import Control.Monad
import System.Environment
import System.FilePath
import Cache
import FastCGIUtils
import URLEncoding
-- FIXME !!!!!!
grammarFile :: IO FilePath
grammarFile = return "/Users/bringert/Projects/gf/lib/alltenses/ParadigmsFin.gfo"
grammarFile :: FilePath
grammarFile = "/usr/local/share/gf-3.0/lib/alltenses/ParadigmsFin.gfo"
grammarPath :: FilePath
grammarPath = "/Users/bringert/Projects/gf/lib/prelude"
grammarPath = "/usr/local/share/gf-3.0/lib/prelude"
main :: IO ()
main = do initFastCGI
r <- newDataRef
r <- newCache readGrammar
loopFastCGI (handleErrors (handleCGIErrors (fcgiMain r)))
fcgiMain :: DataRef Grammar -> CGI CGIResult
fcgiMain ref = liftIO grammarFile >>= getData readGrammar ref >>= cgiMain
fcgiMain :: Cache Grammar -> CGI CGIResult
fcgiMain cache = liftIO (readCache cache grammarFile) >>= cgiMain
readGrammar :: FilePath -> CGI Grammar
readGrammar :: FilePath -> IO Grammar
readGrammar file =
do let opts = concatOptions [modifyFlags $ \fs -> fs { optVerbosity = Quiet },
modifyModuleFlags $ \fs -> fs { optLibraryPath = [grammarPath] }]
mgr <- liftIO $ appIOE $ batchCompile opts [file]
err (throwCGIError 500 "Grammar loading error" . (:[])) return mgr
modifyFlags $ \fs -> fs { optLibraryPath = [grammarPath] }]
mgr <- appIOE $ batchCompile opts [file]
err (fail "Grammar loading error") return mgr
cgiMain :: Grammar -> CGI CGIResult
cgiMain sgr =
@@ -56,12 +59,14 @@ cgiMain sgr =
doEval :: Grammar -> String -> Err JSValue
doEval sgr t = liftM termToJSValue $ eval sgr t
-- FIXME
termToJSValue :: Term -> JSValue
termToJSValue = showJSON . toJSObject . prTermTabular
termToJSValue t = showJSON [toJSObject [("name", name), ("value",value)] | (name,value) <- prTermTabular t]
eval :: Grammar -> String -> Err Term
eval sgr t = pTerm t >>= checkTerm sgr >>= computeTerm sgr
eval sgr t =
case runP pExp (BS.pack t) of
Right e -> checkTerm sgr e >>= computeTerm sgr
Left (_,msg) -> fail msg
-- * General CGI and JSON stuff

6
src/server/Setup.hs Normal file
View File

@@ -0,0 +1,6 @@
module Main where
import Distribution.Simple
main :: IO ()
main = defaultMainWithHooks simpleUserHooks

57
src/server/gf-server.cabal Normal file
View File

@@ -0,0 +1,57 @@
name: gf-server
version: 1.0
cabal-version: >= 1.2
build-type: Simple
license: GPL
license-file: LICENSE
synopsis: FastCGI Server for Grammatical Framework
executable pgf-server
build-depends: base,
old-time,
directory,
filepath,
containers,
gf >= 3.0,
cgi >= 3001.1.7.0,
fastcgi >= 3001.0.2.1,
json >= 0.3.3,
utf8-string >= 0.3.1.1
if !os(windows)
build-depends: unix
main-is: PGFService.hs
other-modules:
FastCGIUtils
Cache
URLEncoding
ghc-options: -threaded
if os(windows)
ghc-options: -optl-mwindows
executable morpho-server
build-depends: base,
old-time,
directory,
filepath,
containers,
gf >= 3.0,
cgi >= 3001.1.7.0,
fastcgi >= 3001.0.2.1,
json >= 0.3.3,
utf8-string >= 0.3.1.1,
bytestring,
pretty,
array,
process,
mtl,
random
if !os(windows)
build-depends: unix
main-is: MorphoService.hs
other-modules:
FastCGIUtils
Cache
URLEncoding
hs-source-dirs: .. . ../../dist/build/autogen
if os(windows)
ghc-options: -optl-mwindows

19
src/server/gwt/Morpho-compile Normal file
View File

@@ -0,0 +1,19 @@
#!/bin/sh
APPDIR=`dirname $0`;
if [ -z "$GWT_CLASSPATH" ]; then
echo 'ERROR: $GWT_CLASSPATH is not set'
echo 'Set $GWT_CLASSPATH to point to the GWT JAR files. For example:'
echo 'export GWT_DIR="/Users/bringert/src/gwt-mac-1.5.2"'
echo 'export GWT_CLASSPATH="$GWT_DIR/gwt-user.jar:$GWT_DIR/gwt-dev-mac.jar"'
exit 1
fi
if [ `uname` = "Darwin" ]; then
GWT_JAVA_OPTS=-XstartOnFirstThread
fi
LIBS=$APPDIR/lib/gwt-dnd-2.5.6.jar
java $GWT_JAVA_OPTS -Xmx256M -cp "$APPDIR/src:$APPDIR/bin:$LIBS:$GWT_CLASSPATH" com.google.gwt.dev.GWTCompiler -out "$APPDIR/www/morpho" "$@" se.chalmers.cs.gf.gwt.MorphoApp;

24
src/server/gwt/src/se/chalmers/cs/gf/gwt/MorphoApp.gwt.xml Normal file
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@@ -0,0 +1,24 @@
<module>
<!-- Inherit the core Web Toolkit stuff. -->
<inherits name="com.google.gwt.user.User" />
<inherits name="com.google.gwt.xml.XML" />
<!-- Inherit the default GWT style sheet. You can change -->
<!-- the theme of your GWT application by uncommenting -->
<!-- any one of the following lines. -->
<inherits name="com.google.gwt.user.theme.standard.Standard"/>
<!-- <inherits name="com.google.gwt.user.theme.chrome.Chrome"/> -->
<!-- <inherits name="com.google.gwt.user.theme.dark.Dark"/> -->
<!-- Other module inherits -->
<inherits name='com.allen_sauer.gwt.dnd.gwt-dnd'/>
<!-- Specify the app entry point class. -->
<entry-point class="se.chalmers.cs.gf.gwt.client.MorphoApp" />
<!-- Specify the application specific style sheet. -->
<stylesheet src="Morpho.css" />
</module>

63
src/server/gwt/src/se/chalmers/cs/gf/gwt/client/MorphoApp.java Normal file
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@@ -0,0 +1,63 @@
package se.chalmers.cs.gf.gwt.client;
import java.util.*;
import com.google.gwt.core.client.*;
import com.google.gwt.user.client.ui.*;
import com.google.gwt.core.client.JavaScriptObject;
public class MorphoApp implements EntryPoint {
private TextBox lemmaBox = new TextBox();
private Button submitButton = new Button("Submit");
private Grid outputGrid = new Grid(2,0);
public void onModuleLoad() {
HorizontalPanel inputPanel = new HorizontalPanel();
inputPanel.add(lemmaBox);
inputPanel.add(submitButton);
submitButton.addClickListener(new ClickListener() {
public void onClick(Widget sender) {
String url = "http://localhost:41296/morpho/morpho.fcgi/eval";
List<JSONRequestBuilder.Arg> args = new ArrayList<JSONRequestBuilder.Arg>();
args.add(new JSONRequestBuilder.Arg("term", lemmaBox.getText()));
JSONRequestBuilder.sendRequest(url, args, new TableCallback() {
public void onResult (IterableJsArray<InflectionForm> table)
{
outputGrid.resize(table.length(),2);
int row = 0;
for (InflectionForm form : table.iterable()) {
outputGrid.setText(row,0,form.getName());
outputGrid.setText(row,1,form.getValue());
row++;
}
}
public void onError (Throwable e)
{
outputGrid.resize(1,1);
outputGrid.setText(0,0,e.toString());
}
});
}
});
VerticalPanel mainPanel = new VerticalPanel();
mainPanel.add(inputPanel);
mainPanel.add(outputGrid);
RootPanel.get().add(mainPanel);
}
public interface TableCallback extends JSONCallback<IterableJsArray<InflectionForm>> { }
public static class InflectionForm extends JavaScriptObject {
protected InflectionForm() { }
public final native String getName() /*-{ return this.name; }-*/;
public final native String getValue() /*-{ return this.value; }-*/;
}
}

36
src/server/gwt/www/morpho/index.html Normal file
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@@ -0,0 +1,36 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<!-- The HTML 4.01 Transitional DOCTYPE declaration-->
<!-- above set at the top of the file will set -->
<!-- the browser's rendering engine into -->
<!-- "Quirks Mode". Replacing this declaration -->
<!-- with a "Standards Mode" doctype is supported, -->
<!-- but may lead to some differences in layout. -->
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!-- -->
<!-- Any title is fine -->
<!-- -->
<title>Morpho</title>
<!-- -->
<!-- This script loads your compiled module. -->
<!-- If you add any GWT meta tags, they must -->
<!-- be added before this line. -->
<!-- -->
<script type="text/javascript" language="javascript" src="se.chalmers.cs.gf.gwt.MorphoApp/se.chalmers.cs.gf.gwt.MorphoApp.nocache.js"></script>
</head>
<!-- -->
<!-- The body can have arbitrary html, or -->
<!-- you can leave the body empty if you want -->
<!-- to create a completely dynamic UI. -->
<!-- -->
<body>
<!-- OPTIONAL: include this if you want history support -->
<iframe src="javascript:''" id="__gwt_historyFrame" tabIndex='-1' style="position:absolute;width:0;height:0;border:0"></iframe>
</body>
</html>

1
src/server/gwt/www/morpho/morpho.fcgi Normal file
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@@ -0,0 +1 @@

13
src/server/lighttpd.conf
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@@ -47,7 +47,7 @@ $HTTP["host"] =~ "^(.*)$" {
}
fastcgi.debug = 0
fastcgi.server = ( ".pgf" =>
fastcgi.server = (".pgf" =>
((
"socket" => basedir + "/" + var.PID + "-pgf.socket",
"bin-path" => basedir + "/dist/build/pgf-server/pgf-server",
@@ -58,10 +58,19 @@ fastcgi.server = ( ".pgf" =>
"max-procs" => 1,
"broken-scriptfilename" => "disable",
"check-local" => "disable"
)),
".fcgi" =>
((
"socket" => basedir + "/" + var.PID + "-morpho.socket",
"bin-path" => basedir + "/dist/build/morpho-server/morpho-server",
"bin-environment" => ("GHCRTS" => "-M512M"),
"min-procs" => 1,
"max-procs" => 1,
"broken-scriptfilename" => "disable",
"check-local" => "disable"
))
)
## deny access the file-extensions
#
# ~ is for backupfiles from vi, emacs, joe, ...

29
src/server/pgf-server.cabal
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@@ -1,29 +0,0 @@
name: pgf-server
version: 1.0
cabal-version: >= 1.2
build-type: Simple
license: GPL
license-file: LICENSE
synopsis: FastCGI Server for Grammatical Framework
executable pgf-server
build-depends: base,
old-time,
directory,
filepath,
containers,
gf >= 3.0,
cgi >= 3001.1.7.0,
fastcgi >= 3001.0.2.1,
json >= 0.3.3,
utf8-string >= 0.3.1.1
if !os(windows)
build-depends: unix
main-is: PGFService.hs
other-modules:
FastCGIUtils
Cache
URLEncoding
ghc-options: -threaded
if os(windows)
ghc-options: -optl-mwindows