author | rfield |
Tue, 22 Nov 2016 19:24:02 -0800 | |
changeset 42272 | 82e273c4f2b3 |
parent 41995 | 1ac75bf2dc3a |
child 42969 | a48d4f74d322 |
permissions | -rw-r--r-- |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
1 |
/* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
2 |
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
4 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. Oracle designates this |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
8 |
* particular file as subject to the "Classpath" exception as provided |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
9 |
* by Oracle in the LICENSE file that accompanied this code. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
10 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
15 |
* accompanied this code). |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
16 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
17 |
* You should have received a copy of the GNU General Public License version |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
20 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
22 |
* or visit www.oracle.com if you need additional information or have any |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
23 |
* questions. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
24 |
*/ |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
25 |
package jdk.jshell.execution; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
26 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
27 |
import java.io.IOException; |
40767 | 28 |
import java.io.InputStream; |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
29 |
import java.io.ObjectInput; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
30 |
import java.io.ObjectOutput; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
31 |
import java.io.OutputStream; |
41994
e43f670394ca
8145838: JShell: restrict RemoteAgent connection socket to localhost
jlahoda
parents:
41941
diff
changeset
|
32 |
import java.net.InetAddress; |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
33 |
import java.net.ServerSocket; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
34 |
import java.net.Socket; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
35 |
import java.util.ArrayList; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
36 |
import java.util.HashMap; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
37 |
import java.util.List; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
38 |
import java.util.Map; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
39 |
import java.util.function.Consumer; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
40 |
import com.sun.jdi.BooleanValue; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
41 |
import com.sun.jdi.ClassNotLoadedException; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
42 |
import com.sun.jdi.Field; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
43 |
import com.sun.jdi.IncompatibleThreadStateException; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
44 |
import com.sun.jdi.InvalidTypeException; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
45 |
import com.sun.jdi.ObjectReference; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
46 |
import com.sun.jdi.StackFrame; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
47 |
import com.sun.jdi.ThreadReference; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
48 |
import com.sun.jdi.VMDisconnectedException; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
49 |
import com.sun.jdi.VirtualMachine; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
50 |
import jdk.jshell.spi.ExecutionControl; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
51 |
import jdk.jshell.spi.ExecutionEnv; |
40767 | 52 |
import static jdk.jshell.execution.Util.remoteInputOutput; |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
53 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
54 |
/** |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
55 |
* The implementation of {@link jdk.jshell.spi.ExecutionControl} that the |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
56 |
* JShell-core uses by default. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
57 |
* Launches a remote process -- the "remote agent". |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
58 |
* Interfaces to the remote agent over a socket and via JDI. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
59 |
* Designed to work with {@link RemoteExecutionControl}. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
60 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
61 |
* @author Robert Field |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
62 |
* @author Jan Lahoda |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
63 |
*/ |
41941
a935ac3f5274
8161983: JShell API: Clean-up following 8160127 et. al.
rfield
parents:
40767
diff
changeset
|
64 |
public class JdiDefaultExecutionControl extends JdiExecutionControl { |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
65 |
|
42272
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
66 |
/** |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
67 |
* Default time-out expressed in milliseconds. |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
68 |
*/ |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
69 |
private static final int DEFAULT_TIMEOUT = 5000; |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
70 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
71 |
private VirtualMachine vm; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
72 |
private Process process; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
73 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
74 |
private final Object STOP_LOCK = new Object(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
75 |
private boolean userCodeRunning = false; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
76 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
77 |
/** |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
78 |
* Creates an ExecutionControl instance based on a JDI |
42272
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
79 |
* {@code LaunchingConnector}. Same as |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
80 |
* {@code JdiDefaultExecutionControl.create(defaultRemoteAgent(), true, null, defaultTimeout())}. |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
81 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
82 |
* @return the generator |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
83 |
*/ |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
84 |
public static ExecutionControl.Generator launch() { |
42272
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
85 |
return create(defaultRemoteAgent(), true, null, defaultTimeout()); |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
86 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
87 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
88 |
/** |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
89 |
* Creates an ExecutionControl instance based on a JDI |
42272
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
90 |
* {@code ListeningConnector}. Same as |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
91 |
* {@code JdiDefaultExecutionControl.create(defaultRemoteAgent(), false, host, defaultTimeout())}. |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
92 |
* |
40764
29ded021f809
8164518: JShell: Add failover case of explicitly listening to "localhost"
rfield
parents:
39807
diff
changeset
|
93 |
* @param host explicit hostname to use, if null use discovered |
29ded021f809
8164518: JShell: Add failover case of explicitly listening to "localhost"
rfield
parents:
39807
diff
changeset
|
94 |
* hostname, applies to listening only (!isLaunch) |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
95 |
* @return the generator |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
96 |
*/ |
40764
29ded021f809
8164518: JShell: Add failover case of explicitly listening to "localhost"
rfield
parents:
39807
diff
changeset
|
97 |
public static ExecutionControl.Generator listen(String host) { |
42272
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
98 |
return create(defaultRemoteAgent(), false, host, defaultTimeout()); |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
99 |
} |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
100 |
|
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
101 |
/** |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
102 |
* Creates a JDI based ExecutionControl instance. |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
103 |
* |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
104 |
* @param remoteAgent the remote agent to launch |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
105 |
* @param isLaunch does JDI do the launch? That is, LaunchingConnector, |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
106 |
* otherwise we start explicitly and use ListeningConnector |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
107 |
* @param host explicit hostname to use, if null use discovered |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
108 |
* hostname, applies to listening only (!isLaunch) |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
109 |
* @param timeout the start-up time-out in milliseconds |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
110 |
* @return the generator |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
111 |
*/ |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
112 |
public static ExecutionControl.Generator create(String remoteAgent, |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
113 |
boolean isLaunch, String host, int timeout) { |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
114 |
return env -> create(env, remoteAgent, isLaunch, host, timeout); |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
115 |
} |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
116 |
|
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
117 |
/** |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
118 |
* Default remote agent. |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
119 |
* |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
120 |
* @return the name of the standard remote agent |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
121 |
*/ |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
122 |
public static String defaultRemoteAgent() { |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
123 |
return RemoteExecutionControl.class.getName(); |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
124 |
} |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
125 |
|
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
126 |
/** |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
127 |
* Default remote connection time-out |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
128 |
* |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
129 |
* @return time to wait for connection before failing, expressed in milliseconds. |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
130 |
*/ |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
131 |
public static int defaultTimeout() { |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
132 |
return DEFAULT_TIMEOUT; |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
133 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
134 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
135 |
/** |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
136 |
* Creates an ExecutionControl instance based on a JDI |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
137 |
* {@code ListeningConnector} or {@code LaunchingConnector}. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
138 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
139 |
* Initialize JDI and use it to launch the remote JVM. Set-up a socket for |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
140 |
* commands and results. This socket also transports the user |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
141 |
* input/output/error. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
142 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
143 |
* @param env the context passed by |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
144 |
* {@link jdk.jshell.spi.ExecutionControl#start(jdk.jshell.spi.ExecutionEnv) } |
42272
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
145 |
* @param remoteAgent the remote agent to launch |
40764
29ded021f809
8164518: JShell: Add failover case of explicitly listening to "localhost"
rfield
parents:
39807
diff
changeset
|
146 |
* @param isLaunch does JDI do the launch? That is, LaunchingConnector, |
29ded021f809
8164518: JShell: Add failover case of explicitly listening to "localhost"
rfield
parents:
39807
diff
changeset
|
147 |
* otherwise we start explicitly and use ListeningConnector |
29ded021f809
8164518: JShell: Add failover case of explicitly listening to "localhost"
rfield
parents:
39807
diff
changeset
|
148 |
* @param host explicit hostname to use, if null use discovered |
29ded021f809
8164518: JShell: Add failover case of explicitly listening to "localhost"
rfield
parents:
39807
diff
changeset
|
149 |
* hostname, applies to listening only (!isLaunch) |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
150 |
* @return the channel |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
151 |
* @throws IOException if there are errors in set-up |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
152 |
*/ |
42272
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
153 |
private static ExecutionControl create(ExecutionEnv env, String remoteAgent, |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
154 |
boolean isLaunch, String host, int timeout) throws IOException { |
41994
e43f670394ca
8145838: JShell: restrict RemoteAgent connection socket to localhost
jlahoda
parents:
41941
diff
changeset
|
155 |
try (final ServerSocket listener = new ServerSocket(0, 1, InetAddress.getLoopbackAddress())) { |
42272
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
156 |
// timeout on I/O-socket |
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
157 |
listener.setSoTimeout(timeout); |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
158 |
int port = listener.getLocalPort(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
159 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
160 |
// Set-up the JDI connection |
41941
a935ac3f5274
8161983: JShell API: Clean-up following 8160127 et. al.
rfield
parents:
40767
diff
changeset
|
161 |
JdiInitiator jdii = new JdiInitiator(port, |
42272
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
162 |
env.extraRemoteVMOptions(), remoteAgent, isLaunch, host, timeout); |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
163 |
VirtualMachine vm = jdii.vm(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
164 |
Process process = jdii.process(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
165 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
166 |
List<Consumer<String>> deathListeners = new ArrayList<>(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
167 |
deathListeners.add(s -> env.closeDown()); |
41941
a935ac3f5274
8161983: JShell API: Clean-up following 8160127 et. al.
rfield
parents:
40767
diff
changeset
|
168 |
Util.detectJdiExitEvent(vm, s -> { |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
169 |
for (Consumer<String> h : deathListeners) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
170 |
h.accept(s); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
171 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
172 |
}); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
173 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
174 |
// Set-up the commands/reslts on the socket. Piggy-back snippet |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
175 |
// output. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
176 |
Socket socket = listener.accept(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
177 |
// out before in -- match remote creation so we don't hang |
40767 | 178 |
OutputStream out = socket.getOutputStream(); |
179 |
Map<String, OutputStream> outputs = new HashMap<>(); |
|
180 |
outputs.put("out", env.userOut()); |
|
181 |
outputs.put("err", env.userErr()); |
|
182 |
Map<String, InputStream> input = new HashMap<>(); |
|
183 |
input.put("in", env.userIn()); |
|
41995
1ac75bf2dc3a
8169599: Several JShell tests are failing on Solaris after JDK-8145838
jlahoda
parents:
41994
diff
changeset
|
184 |
return remoteInputOutput(socket.getInputStream(), out, outputs, input, (objIn, objOut) -> new JdiDefaultExecutionControl(objOut, objIn, vm, process, deathListeners)); |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
185 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
186 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
187 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
188 |
/** |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
189 |
* Create an instance. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
190 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
191 |
* @param cmdout the output for commands |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
192 |
* @param cmdin the input for responses |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
193 |
*/ |
41941
a935ac3f5274
8161983: JShell API: Clean-up following 8160127 et. al.
rfield
parents:
40767
diff
changeset
|
194 |
private JdiDefaultExecutionControl(ObjectOutput cmdout, ObjectInput cmdin, |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
195 |
VirtualMachine vm, Process process, List<Consumer<String>> deathListeners) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
196 |
super(cmdout, cmdin); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
197 |
this.vm = vm; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
198 |
this.process = process; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
199 |
deathListeners.add(s -> disposeVM()); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
200 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
201 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
202 |
@Override |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
203 |
public String invoke(String classname, String methodname) |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
204 |
throws RunException, |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
205 |
EngineTerminationException, InternalException { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
206 |
String res; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
207 |
synchronized (STOP_LOCK) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
208 |
userCodeRunning = true; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
209 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
210 |
try { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
211 |
res = super.invoke(classname, methodname); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
212 |
} finally { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
213 |
synchronized (STOP_LOCK) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
214 |
userCodeRunning = false; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
215 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
216 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
217 |
return res; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
218 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
219 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
220 |
/** |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
221 |
* Interrupts a running remote invoke by manipulating remote variables |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
222 |
* and sending a stop via JDI. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
223 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
224 |
* @throws EngineTerminationException the execution engine has terminated |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
225 |
* @throws InternalException an internal problem occurred |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
226 |
*/ |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
227 |
@Override |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
228 |
public void stop() throws EngineTerminationException, InternalException { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
229 |
synchronized (STOP_LOCK) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
230 |
if (!userCodeRunning) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
231 |
return; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
232 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
233 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
234 |
vm().suspend(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
235 |
try { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
236 |
OUTER: |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
237 |
for (ThreadReference thread : vm().allThreads()) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
238 |
// could also tag the thread (e.g. using name), to find it easier |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
239 |
for (StackFrame frame : thread.frames()) { |
42272
82e273c4f2b3
8169519: JShell: Handle start-up failures and hangs gracefully
rfield
parents:
41995
diff
changeset
|
240 |
if (defaultRemoteAgent().equals(frame.location().declaringType().name()) && |
39807
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
241 |
( "invoke".equals(frame.location().method().name()) |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
242 |
|| "varValue".equals(frame.location().method().name()))) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
243 |
ObjectReference thiz = frame.thisObject(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
244 |
Field inClientCode = thiz.referenceType().fieldByName("inClientCode"); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
245 |
Field expectingStop = thiz.referenceType().fieldByName("expectingStop"); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
246 |
Field stopException = thiz.referenceType().fieldByName("stopException"); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
247 |
if (((BooleanValue) thiz.getValue(inClientCode)).value()) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
248 |
thiz.setValue(expectingStop, vm().mirrorOf(true)); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
249 |
ObjectReference stopInstance = (ObjectReference) thiz.getValue(stopException); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
250 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
251 |
vm().resume(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
252 |
debug("Attempting to stop the client code...\n"); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
253 |
thread.stop(stopInstance); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
254 |
thiz.setValue(expectingStop, vm().mirrorOf(false)); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
255 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
256 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
257 |
break OUTER; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
258 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
259 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
260 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
261 |
} catch (ClassNotLoadedException | IncompatibleThreadStateException | InvalidTypeException ex) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
262 |
throw new InternalException("Exception on remote stop: " + ex); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
263 |
} finally { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
264 |
vm().resume(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
265 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
266 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
267 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
268 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
269 |
@Override |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
270 |
public void close() { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
271 |
super.close(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
272 |
disposeVM(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
273 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
274 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
275 |
private synchronized void disposeVM() { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
276 |
try { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
277 |
if (vm != null) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
278 |
vm.dispose(); // This could NPE, so it is caught below |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
279 |
vm = null; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
280 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
281 |
} catch (VMDisconnectedException ex) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
282 |
// Ignore if already closed |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
283 |
} catch (Throwable ex) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
284 |
debug(ex, "disposeVM"); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
285 |
} finally { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
286 |
if (process != null) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
287 |
process.destroy(); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
288 |
process = null; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
289 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
290 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
291 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
292 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
293 |
@Override |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
294 |
protected synchronized VirtualMachine vm() throws EngineTerminationException { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
295 |
if (vm == null) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
296 |
throw new EngineTerminationException("VM closed"); |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
297 |
} else { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
298 |
return vm; |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
299 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
300 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
301 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
302 |
/** |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
303 |
* Log debugging information. Arguments as for {@code printf}. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
304 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
305 |
* @param format a format string as described in Format string syntax |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
306 |
* @param args arguments referenced by the format specifiers in the format |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
307 |
* string. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
308 |
*/ |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
309 |
private static void debug(String format, Object... args) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
310 |
// Reserved for future logging |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
311 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
312 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
313 |
/** |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
314 |
* Log a serious unexpected internal exception. |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
315 |
* |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
316 |
* @param ex the exception |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
317 |
* @param where a description of the context of the exception |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
318 |
*/ |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
319 |
private static void debug(Throwable ex, String where) { |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
320 |
// Reserved for future logging |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
321 |
} |
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
322 |
|
ba0ff343d241
8160127: JShell API: extract abstract JDI and abstract streaming implementations of ExecutionControl
rfield
parents:
diff
changeset
|
323 |
} |