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
|
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
package org.apache.qpid.server.protocol;
import org.apache.commons.configuration.XMLConfiguration;
import org.apache.qpid.protocol.ServerProtocolEngine;
import org.apache.qpid.server.configuration.ServerConfiguration;
import org.apache.qpid.server.registry.ApplicationRegistry;
import org.apache.qpid.server.util.TestApplicationRegistry;
import org.apache.qpid.test.utils.QpidTestCase;
import org.apache.qpid.transport.TestNetworkConnection;
import java.nio.ByteBuffer;
import java.util.EnumSet;
import java.util.Set;
public class MultiVersionProtocolEngineFactoryTest extends QpidTestCase
{
protected void setUp() throws Exception
{
super.setUp();
//the factory needs a registry instance
ApplicationRegistry.initialise(new TestApplicationRegistry(new ServerConfiguration(new XMLConfiguration())));
}
protected void tearDown()
{
//the factory opens a registry instance
ApplicationRegistry.remove();
}
private static final byte[] AMQP_0_8_HEADER =
new byte[] { (byte) 'A',
(byte) 'M',
(byte) 'Q',
(byte) 'P',
(byte) 1,
(byte) 1,
(byte) 8,
(byte) 0
};
private static final byte[] AMQP_0_9_HEADER =
new byte[] { (byte) 'A',
(byte) 'M',
(byte) 'Q',
(byte) 'P',
(byte) 1,
(byte) 1,
(byte) 0,
(byte) 9
};
private static final byte[] AMQP_0_9_1_HEADER =
new byte[] { (byte) 'A',
(byte) 'M',
(byte) 'Q',
(byte) 'P',
(byte) 0,
(byte) 0,
(byte) 9,
(byte) 1
};
private static final byte[] AMQP_0_10_HEADER =
new byte[] { (byte) 'A',
(byte) 'M',
(byte) 'Q',
(byte) 'P',
(byte) 1,
(byte) 1,
(byte) 0,
(byte) 10
};
private byte[] getAmqpHeader(final AmqpProtocolVersion version)
{
switch(version)
{
case v0_8:
return AMQP_0_8_HEADER;
case v0_9:
return AMQP_0_9_HEADER;
case v0_9_1:
return AMQP_0_9_1_HEADER;
case v0_10:
return AMQP_0_10_HEADER;
default:
fail("unknown AMQP version, appropriate header must be added for new protocol version");
return null;
}
}
/**
* Test to verify that connections established using a MultiVersionProtocolEngine are assigned
* IDs from a common sequence, independent of the protocol version under use.
*/
public void testDifferentProtocolVersionsShareCommonIDNumberingSequence()
{
Set<AmqpProtocolVersion> versions = EnumSet.allOf(AmqpProtocolVersion.class);
MultiVersionProtocolEngineFactory factory =
new MultiVersionProtocolEngineFactory(versions, null);
//create a dummy to retrieve the 'current' ID number
long previousId = factory.newProtocolEngine().getConnectionId();
//create a protocol engine and send the AMQP header for all supported AMQP verisons,
//ensuring the ID assigned increases as expected
for(AmqpProtocolVersion version : versions)
{
long expectedID = previousId + 1;
byte[] header = getAmqpHeader(version);
assertNotNull("protocol header should not be null", header);
ServerProtocolEngine engine = factory.newProtocolEngine();
TestNetworkConnection conn = new TestNetworkConnection();
engine.setNetworkConnection(conn, conn.getSender());
assertEquals("ID did not increment as expected", expectedID, engine.getConnectionId());
//actually feed in the AMQP header for this protocol version, and ensure the ID remains consistent
engine.received(ByteBuffer.wrap(header));
assertEquals("ID was not as expected following receipt of the AMQP version header", expectedID, engine.getConnectionId());
previousId = expectedID;
}
}
/**
* Test to verify that when requesting a ProtocolEngineFactory to produce engines having a default reply to unsupported
* version initiations, there is enforcement that the default reply is itself a supported protocol version.
*/
public void testUnsupportedDefaultReplyCausesIllegalArgumentException()
{
Set<AmqpProtocolVersion> versions = EnumSet.allOf(AmqpProtocolVersion.class);
versions.remove(AmqpProtocolVersion.v0_9);
try
{
new MultiVersionProtocolEngineFactory(versions, AmqpProtocolVersion.v0_9);
fail("should not have been allowed to create the factory");
}
catch(IllegalArgumentException iae)
{
//expected
}
}
}
|
