1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
|
/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2004-2021. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
import com.ericsson.otp.erlang.OtpErlangAtom;
import com.ericsson.otp.erlang.OtpErlangExit;
import com.ericsson.otp.erlang.OtpErlangLong;
import com.ericsson.otp.erlang.OtpErlangObject;
import com.ericsson.otp.erlang.OtpErlangPid;
import com.ericsson.otp.erlang.OtpErlangTuple;
import com.ericsson.otp.erlang.OtpMbox;
import com.ericsson.otp.erlang.OtpNode;
class MboxLinkUnlink {
/*
Implements test case jinterface_SUITE:mbox_link_unlink/1
*/
private static final int java_link_and_exit = 1;
private static final int erl_link_and_exit = 2;
private static final int erl_link_java_exit = 3;
private static final int java_link_erl_exit = 4;
private static final int internal_link_linking_exits = 5;
private static final int internal_link_linked_exits = 6;
private static final int internal_unlink_linking_exits = 7;
private static final int internal_unlink_linked_exits = 8;
private static final int normal_exit = 9;
private static final int kill_mbox = 10;
private static final int kill_erl_proc_from_java = 11;
private static final int kill_mbox_from_erlang = 12;
private static final int erl_exit_with_reason_any_term = 13;
private static final int java_exit_with_reason_any_term = 14;
private static final int erl_link_unlink_link_and_exit = 15;
private static final int erl_link_java_unlink_link_and_exit = 16;
private static final int simultaneous_erl_link_java_link_unlink = 17;
private static final int simultaneous_erl_link_unlink_java_link = 18;
private static boolean dbg = true;
public static void main(String argv[]) {
//String cookie = argv[0];
String erlNode = argv[1];
OtpErlangObject expected = null;
boolean waiting = false;
try { //
OtpNode node = new OtpNode("javanode");
OtpMbox mainMbox = node.createMbox();
try {
// Initiate and set up connection to erlang process
OtpMbox mbox = node.createMbox();
OtpMbox mbox2;
OtpErlangObject[] msg = {mainMbox.self(),mbox.self()};
mbox.send("erl_link_server", erlNode, new OtpErlangTuple(msg));
OtpErlangObject o = mbox.receive(1000);
if (o == null) {
System.exit(1);
return;
}
OtpErlangTuple tuple = (OtpErlangTuple)o;
int tag = (int)((OtpErlangLong)tuple.elementAt(0)).longValue();
switch (tag) {
case java_exit_with_reason_any_term:
case java_link_and_exit:
dbg("Java got \"java_link_and_exit\" or " +
"\"java_exit_with_reason_any_term\"");
mbox.link((OtpErlangPid)tuple.elementAt(1));
mbox.send((OtpErlangPid)tuple.elementAt(1),
new OtpErlangAtom("ok"));
mbox.exit(tuple.elementAt(2));
break;
case erl_exit_with_reason_any_term:
case erl_link_and_exit:
case erl_link_unlink_link_and_exit:
dbg("Java got \"erl_link_and_exit\" or " +
"\"erl_exit_with_reason_any_term\" or " +
"\"erl_link_unlink_link_and_exit\"");
if (!is_linked(mbox, (OtpErlangPid)tuple.elementAt(1)))
System.exit(17);
mbox.send((OtpErlangPid)tuple.elementAt(1),
new OtpErlangAtom("ok"));
waiting = true;
expected = tuple.elementAt(2);
mbox.receive(1000);
System.exit(2);
break;
case erl_link_java_unlink_link_and_exit:
dbg("Java got \"erl_link_java_unlink_link_and_exit\"");
mbox.unlink((OtpErlangPid)tuple.elementAt(1));
mbox.unlink((OtpErlangPid)tuple.elementAt(1));
mbox.link((OtpErlangPid)tuple.elementAt(1));
if (!is_linked(mbox, (OtpErlangPid)tuple.elementAt(1)))
System.exit(16);
mbox.send((OtpErlangPid)tuple.elementAt(1),
new OtpErlangAtom("ok"));
waiting = true;
expected = tuple.elementAt(2);
mbox.receive(1000);
System.exit(2);
break;
case simultaneous_erl_link_java_link_unlink: {
dbg("Java got \"simultaneous_erl_link_java_link_unlink\"");
OtpErlangPid remote = (OtpErlangPid) tuple.elementAt(1);
long go_time = ((OtpErlangLong) tuple.elementAt(2)).longValue();
spin_wait_until(go_time);
mbox.link(remote);
mbox.unlink(remote);
OtpErlangAtom check_link = new OtpErlangAtom("check_link");
mbox.send(remote, check_link);
OtpErlangObject chk_msg = mbox.receive(2000);
if (chk_msg == null)
System.exit(14);
else if (!((OtpErlangAtom) chk_msg).equals(check_link))
System.exit(15);
mbox.send(remote, new OtpErlangAtom(is_linked(mbox, remote)
? "linked"
: "not_linked"));
mbox.close();
break;
}
case simultaneous_erl_link_unlink_java_link: {
dbg("Java got \"simultaneous_erl_link_unlink_java_link\"");
OtpErlangPid remote = (OtpErlangPid) tuple.elementAt(1);
long go_time = ((OtpErlangLong) tuple.elementAt(2)).longValue();
spin_wait_until(go_time);
mbox.link(remote);
OtpErlangAtom check_link = new OtpErlangAtom("check_link");
OtpErlangObject chk_msg = mbox.receive(2000);
if (chk_msg == null)
System.exit(14);
else if (!((OtpErlangAtom) chk_msg).equals(check_link))
System.exit(15);
// We now know the unlink should have reached us and we
// should have sent the unlink ack...
mbox.send(remote, check_link);
mbox.send(remote, new OtpErlangAtom(is_linked(mbox, remote)
? "linked"
: "not_linked"));
mbox.close();
break;
}
case erl_link_java_exit:
dbg("Java got \"erl_link_java_exit\"");
mbox.exit(tuple.elementAt(2));
break;
case java_link_erl_exit:
dbg("Java got \"java_link_erl_exit\"");
mbox.link((OtpErlangPid)tuple.elementAt(1));
mbox.send((OtpErlangPid)tuple.elementAt(1),
new OtpErlangAtom("ok"));
waiting = true;
expected = tuple.elementAt(2);
mbox.receive(1000);
System.exit(3);
break;
case internal_link_linking_exits:
dbg("Java got \"internal_link_linking_exits\"");
mbox2 = node.createMbox();
mbox.link(mbox2.self());
mbox.exit(tuple.elementAt(2));
waiting = true;
expected = tuple.elementAt(2);
mbox2.receive(1000); // hanging waiting for exit
System.exit(4); // got someting other than exit
break;
case internal_link_linked_exits:
dbg("Java got \"internal_link_linked_exits\"");
mbox2 = node.createMbox();
mbox.link(mbox2.self());
mbox2.exit(tuple.elementAt(2));
waiting = true;
expected = tuple.elementAt(2);
mbox.receive(1000); // hanging waiting for exit
System.exit(5); // got someting other than exit
break;
case internal_unlink_linking_exits:
dbg("Java got \"internal_unlink_linking_exits\"");
mbox2 = node.createMbox();
mbox.link(mbox2.self());
mbox.unlink(mbox2.self());
mbox.link(mbox2.self());
mbox2.unlink(mbox.self());
mbox2.exit(tuple.elementAt(2));
if (mbox.receive(500)!=null) System.exit(6);
break;
case internal_unlink_linked_exits:
dbg("Java got \"internal_unlink_linked_exits\"");
mbox2 = node.createMbox();
mbox.link(mbox2.self());
mbox.unlink(mbox2.self());
mbox.link(mbox2.self());
mbox2.unlink(mbox.self());
mbox.exit(tuple.elementAt(2));
if (mbox2.receive(500)!=null) System.exit(7);
break;
case normal_exit:
dbg("Java got \"normal_exit\"");
mbox.close();
break;
case kill_mbox:
dbg("Java got \"kill_mbox\"");
mbox.exit("kill");
break;
case kill_erl_proc_from_java:
dbg("Java got \"kill_erl_proc_from_java\"");
mbox.exit((OtpErlangPid)tuple.elementAt(1),"kill");
break;
case kill_mbox_from_erlang:
dbg("Java got \"kill_mbox_from_erlang\"");
/* This will make the testcase successful, but it is
not the correct way to do it...
Mbox should probably just die when the kill signal is
received from erlang (or other mbox).
try {
mbox.receive(1000);
System.exit(8);
}
catch (OtpErlangExit exit) {
if(!(exit.reason().equals(new OtpErlangAtom("kill"))))
System.exit(9);
mbox.exit("killed");
}
*/
break;
}
}
catch (OtpErlangExit exit) {
dbg("Java got exit: " + exit.reason());
if(!(waiting && exit.reason().equals(expected)))
System.exit(10);
}
OtpErlangAtom done = new OtpErlangAtom("done");
mainMbox.send("erl_link_server", erlNode, done);
OtpErlangObject o = mainMbox.receive(1000);
if (o == null) System.exit(11);
else if (!((OtpErlangAtom)o).equals(done))
System.exit(12);
}
catch (Exception e) {
System.out.println("EXCEPTION: " + e);
System.exit(13);
}
}
private static void dbg(String str) {
if (dbg) System.out.println(str);
}
private static void spin_wait_until(final long ms) {
long time;
do {
time = System.currentTimeMillis();
} while (time < ms);
}
private static boolean is_linked(OtpMbox mbox, OtpErlangPid pid) {
final OtpErlangPid[] linked = mbox.linked();
if (linked != null) {
final int len = linked.length;
for (int i = 0; i < len; i++) {
if (pid.equals(linked[i]))
return true;
}
}
return false;
}
}
|
