[GR-17960] Java-based Socket implementation

PullRequest: graalpython/634

Author: timfel

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_socket.txt

@@ -0,0 +1,18 @@
+*GeneralModuleTests.testCrucialConstants
+*GeneralModuleTests.testGetServBy
+*GeneralModuleTests.testHostnameRes
+*GeneralModuleTests.testInterpreterCrash
+*GeneralModuleTests.testNewAttributes
+*GeneralModuleTests.testSendAfterClose
+*GeneralModuleTests.testSetSockOpt
+*GeneralModuleTests.testSockName
+*GeneralModuleTests.test_SocketType_is_socketobject
+*GeneralModuleTests.test_getnameinfo
+*GeneralModuleTests.test_host_resolution
+*GeneralModuleTests.test_host_resolution_bad_address
+*GeneralModuleTests.test_listen_backlog
+*GeneralModuleTests.test_makefile_invalid_mode
+*GeneralModuleTests.test_makefile_mode
+*GeneralModuleTests.test_repr
+*GeneralModuleTests.test_socket_consistent_sock_type
+*GeneralModuleTests.test_unusable_closed_socketio

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_socketserver.txt

@@ -150,6 +150,7 @@
 import com.oracle.graal.python.builtins.objects.set.FrozenSetBuiltins;
 import com.oracle.graal.python.builtins.objects.set.SetBuiltins;
 import com.oracle.graal.python.builtins.objects.slice.SliceBuiltins;
+import com.oracle.graal.python.builtins.objects.socket.SocketBuiltins;
 import com.oracle.graal.python.builtins.objects.str.StringBuiltins;
 import com.oracle.graal.python.builtins.objects.superobject.SuperBuiltins;
 import com.oracle.graal.python.builtins.objects.thread.LockBuiltins;
@@ -327,6 +328,7 @@ private static final PythonBuiltins[] initializeBuiltins() {
                         new AstModuleBuiltins(),
                         new SelectModuleBuiltins(),
                         new SocketModuleBuiltins(),
+                        new SocketBuiltins(),
                         new SignalModuleBuiltins(),
                         new TracebackBuiltins(),
                         new GcModuleBuiltins(),

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/Python3Core.java

@@ -113,6 +113,7 @@
 import com.oracle.graal.python.builtins.objects.ints.PInt;
 import com.oracle.graal.python.builtins.objects.list.PList;
 import com.oracle.graal.python.builtins.objects.module.PythonModule;
+import com.oracle.graal.python.builtins.objects.socket.PSocket;
 import com.oracle.graal.python.builtins.objects.str.PString;
 import com.oracle.graal.python.builtins.objects.tuple.PTuple;
 import com.oracle.graal.python.builtins.objects.type.LazyPythonClass;
@@ -509,11 +510,10 @@ Object setInheritableStd(@SuppressWarnings("unused") int fd, @SuppressWarnings("
         }
 
         @Specialization(guards = "fd > 2")
-        Object setInheritable(int fd, @SuppressWarnings("unused") Object inheritable) {
-            String path = getResources().getFilePath(fd);
-            TruffleFile f = getContext().getEnv().getPublicTruffleFile(path);
-            if (!f.exists()) {
-                throw raise(OSError, "No such file or directory: '%s'", path);
+        Object setInheritable(VirtualFrame frame, int fd, @SuppressWarnings("unused") Object inheritable) {
+            Channel ch = getResources().getFileChannel(fd);
+            if (ch == null || ch instanceof PSocket) {
+                throw raiseOSError(frame, OSErrorEnum.EBADF.getNumber());
             }
             // TODO: investigate how to map this to the truffle file api (if supported)
             return PNone.NONE;