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
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.messagebus.network;
import com.yahoo.jrt.slobrok.api.IMirror;
import com.yahoo.messagebus.Message;
import com.yahoo.messagebus.Protocol;
import com.yahoo.messagebus.routing.RoutingNode;
import com.yahoo.messagebus.test.SimpleMessage;
import com.yahoo.messagebus.test.SimpleProtocol;
import com.yahoo.text.Utf8Array;
import com.yahoo.text.Utf8String;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author jonmv
*/
public class NetworkMultiplexerTest {
@Test
void testShared() {
MockNetwork net = new MockNetwork();
MockOwner owner1 = new MockOwner();
MockOwner owner2 = new MockOwner();
NetworkMultiplexer shared = NetworkMultiplexer.shared(net);
assertEquals(Set.of(shared), net.attached);
assertEquals(Set.of(), net.registered);
assertFalse(net.shutDown.get());
shared.attach(owner1);
shared.registerSession("s1", owner1, true);
try {
shared.registerSession("s1", owner1, true);
fail("Illegal to register same session multiple times with the same owner");
}
catch (IllegalArgumentException expected) {
assertEquals("Session 's1' with owner 'mock owner' already registered with network multiplexer with owners: [mock owner], sessions: {s1=[mock owner]} and destructible: false",
expected.getMessage());
}
assertEquals(Set.of("s1"), net.registered);
shared.attach(owner2);
shared.registerSession("s2", owner2, true);
shared.registerSession("s3", owner2, false);
assertEquals(Set.of("s1", "s2"), net.registered);
Utf8String name = new Utf8String("protocol");
Protocol protocol1 = new SimpleProtocol();
Protocol protocol2 = new SimpleProtocol();
owner1.protocols.put(name, protocol1);
assertEquals(protocol1, shared.getProtocol(name));
owner2.protocols.put(name, protocol2);
assertEquals(protocol2, shared.getProtocol(name));
Message message1 = new SimpleMessage("one");
Message message2 = new SimpleMessage("two");
Message message3 = new SimpleMessage("three");
Message message4 = new SimpleMessage("four");
Message message5 = new SimpleMessage("five");
shared.deliverMessage(message1, "s1");
shared.deliverMessage(message2, "s2");
// New "s1" owner connects, and should have new requests.
shared.registerSession("s1", owner2, true);
shared.deliverMessage(message3, "s1");
shared.deliverMessage(message4, "s3");
shared.unregisterSession("s1", owner1, true);
shared.deliverMessage(message5, "s1");
assertEquals(Map.of("s1", List.of(message1)), owner1.messages);
assertEquals(Map.of("s2", List.of(message2), "s1", List.of(message3, message5), "s3", List.of(message4)), owner2.messages);
shared.detach(owner1);
assertEquals(protocol2, shared.getProtocol(name));
shared.detach(owner2);
assertFalse(net.shutDown.get());
shared.attach(owner2);
shared.disown();
assertFalse(net.shutDown.get());
shared.detach(owner2);
assertTrue(net.shutDown.get());
}
@Test
void testDedicated() {
MockNetwork net = new MockNetwork();
MockOwner owner = new MockOwner();
NetworkMultiplexer dedicated = NetworkMultiplexer.dedicated(net);
assertEquals(Set.of(dedicated), net.attached);
assertEquals(Set.of(), net.registered);
assertFalse(net.shutDown.get());
dedicated.attach(owner);
dedicated.detach(owner);
assertTrue(net.shutDown.get());
}
static class MockOwner implements NetworkOwner {
final Map<Utf8Array, Protocol> protocols = new HashMap<>();
final Map<String, List<Message>> messages = new HashMap<>();
@Override
public Protocol getProtocol(Utf8Array name) {
return protocols.get(name);
}
@Override
public void deliverMessage(Message message, String session) {
messages.computeIfAbsent(session, __ -> new ArrayList<>()).add(message);
}
@Override
public String toString() {
return "mock owner";
}
}
static class MockNetwork implements Network {
final Set<NetworkOwner> attached = new HashSet<>();
final Set<String> registered = new HashSet<>();
final AtomicBoolean shutDown = new AtomicBoolean();
@Override
public boolean waitUntilReady(double seconds) {
throw new UnsupportedOperationException();
}
@Override
public void attach(NetworkOwner owner) {
assertTrue(attached.add(owner));
}
@Override
public void registerSession(String session) {
assertTrue(registered.add(session));
}
@Override
public void unregisterSession(String session) {
assertTrue(registered.remove(session));
}
@Override
public boolean allocServiceAddress(RoutingNode recipient) {
throw new UnsupportedOperationException();
}
@Override
public void freeServiceAddress(RoutingNode recipient) {
throw new UnsupportedOperationException();
}
@Override
public void send(Message msg, List<RoutingNode> recipients) {
throw new UnsupportedOperationException();
}
@Override
public void sync() {
throw new UnsupportedOperationException();
}
@Override
public void shutdown() {
assertFalse(shutDown.getAndSet(true));
}
@Override
public String getConnectionSpec() {
throw new UnsupportedOperationException();
}
@Override
public IMirror getMirror() {
throw new UnsupportedOperationException();
}
}
}
|
