| /* |
| * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.jdi; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import com.sun.jdi.Bootstrap; |
| import com.sun.jdi.VirtualMachine; |
| import com.sun.jdi.connect.Connector; |
| import com.sun.jdi.connect.IllegalConnectorArgumentsException; |
| import com.sun.jdi.connect.ListeningConnector; |
| import com.sun.jdi.connect.Transport; |
| import com.sun.jdi.connect.spi.Connection; |
| import com.sun.jdi.connect.spi.TransportService; |
| |
| /* |
| * A ListeningConnector to listen for connections from target VM |
| * using the configured transport service |
| */ |
| public class GenericListeningConnector |
| extends ConnectorImpl implements ListeningConnector |
| { |
| static final String ARG_ADDRESS = "address"; |
| static final String ARG_TIMEOUT = "timeout"; |
| |
| Map<Map<String,? extends Connector.Argument>, TransportService.ListenKey> listenMap; |
| TransportService transportService; |
| Transport transport; |
| |
| /** |
| * Initialize a new instance of this connector. The connector |
| * encapsulates a transport service, has a "timeout" connector argument, |
| * and optionally an "address" connector argument. |
| */ |
| private GenericListeningConnector(TransportService ts, |
| boolean addAddressArgument) |
| { |
| transportService = ts; |
| transport = new Transport() { |
| public String name() { |
| return transportService.name(); |
| } |
| }; |
| |
| if (addAddressArgument) { |
| addStringArgument( |
| ARG_ADDRESS, |
| getString("generic_listening.address.label"), |
| getString("generic_listening.address"), |
| "", |
| false); |
| } |
| |
| addIntegerArgument( |
| ARG_TIMEOUT, |
| getString("generic_listening.timeout.label"), |
| getString("generic_listening.timeout"), |
| "", |
| false, |
| 0, Integer.MAX_VALUE); |
| |
| listenMap = new HashMap<Map<String, ? extends Connector.Argument>, TransportService.ListenKey>(10); |
| } |
| |
| /** |
| * Initialize a new instance of this connector. This constructor is used |
| * when sub-classing - the resulting connector will a "timeout" connector |
| * argument. |
| */ |
| protected GenericListeningConnector(TransportService ts) { |
| this(ts, false); |
| } |
| |
| /** |
| * Create an instance of this Connector. The resulting ListeningConnector will |
| * have "address" and "timeout" connector arguments. |
| */ |
| public static GenericListeningConnector create(TransportService ts) { |
| return new GenericListeningConnector(ts, true); |
| } |
| |
| public String startListening(String address, Map<String,? extends Connector.Argument> args) |
| throws IOException, IllegalConnectorArgumentsException |
| { |
| TransportService.ListenKey listener = listenMap.get(args); |
| if (listener != null) { |
| throw new IllegalConnectorArgumentsException("Already listening", |
| new ArrayList<>(args.keySet())); |
| } |
| |
| listener = transportService.startListening(address); |
| listenMap.put(args, listener); |
| return listener.address(); |
| } |
| |
| public String |
| startListening(Map<String, ? extends Connector.Argument> args) |
| throws IOException, IllegalConnectorArgumentsException |
| { |
| String address = argument(ARG_ADDRESS, args).value(); |
| return startListening(address, args); |
| } |
| |
| public void stopListening(Map<String, ? extends Connector.Argument> args) |
| throws IOException, IllegalConnectorArgumentsException |
| { |
| TransportService.ListenKey listener = listenMap.get(args); |
| if (listener == null) { |
| throw new IllegalConnectorArgumentsException("Not listening", |
| new ArrayList<>(args.keySet())); |
| } |
| transportService.stopListening(listener); |
| listenMap.remove(args); |
| } |
| |
| public VirtualMachine |
| accept(Map<String, ? extends Connector.Argument> args) |
| throws IOException, IllegalConnectorArgumentsException |
| { |
| String ts = argument(ARG_TIMEOUT, args).value(); |
| int timeout = 0; |
| if (ts.length() > 0) { |
| timeout = Integer.decode(ts).intValue(); |
| } |
| |
| TransportService.ListenKey listener = listenMap.get(args); |
| Connection connection; |
| if (listener != null) { |
| connection = transportService.accept(listener, timeout, 0); |
| } else { |
| /* |
| * Keep compatibility with previous releases - if the |
| * debugger hasn't called startListening then we do a |
| * once-off accept |
| */ |
| startListening(args); |
| listener = listenMap.get(args); |
| assert listener != null; |
| connection = transportService.accept(listener, timeout, 0); |
| stopListening(args); |
| } |
| return Bootstrap.virtualMachineManager().createVirtualMachine(connection); |
| } |
| |
| public boolean supportsMultipleConnections() { |
| return transportService.capabilities().supportsMultipleConnections(); |
| } |
| |
| public String name() { |
| return transport.name() + "Listen"; |
| } |
| |
| public String description() { |
| return transportService.description(); |
| } |
| |
| public Transport transport() { |
| return transport; |
| } |
| } |