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
|
/*
* 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.tuscany.sca.endpoint.hazelcast.client;
import java.net.BindException;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.ServerSocket;
import java.util.Enumeration;
import java.util.Map;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
import org.apache.tuscany.sca.endpoint.hazelcast.HazelcastEndpointRegistry;
import org.apache.tuscany.sca.endpoint.hazelcast.RegistryConfig;
import org.apache.tuscany.sca.runtime.RuntimeProperties;
import com.hazelcast.client.HazelcastClient;
import com.hazelcast.core.HazelcastInstance;
/**
* An EndpointRegistry using a Hazelcast Native Client
*/
public class HazelcastClientEndpointRegistry extends HazelcastEndpointRegistry {
HazelcastClient hazelcastClient;
public HazelcastClientEndpointRegistry(ExtensionPointRegistry registry,
Map<String, String> attributes,
String domainRegistryURI,
String domainURI) {
super(registry, attributes, domainRegistryURI, domainURI);
}
@Override
public void start() {
if (endpointMap != null) {
throw new IllegalStateException("The registry has already been started");
}
initHazelcastClientInstance();
endpointMap = hazelcastClient.getMap(domainURI + "/Endpoints");
endpointOwners = hazelcastClient.getMultiMap(domainURI + "/EndpointOwners");
}
@Override
public void stop() {
if (hazelcastClient != null) {
hazelcastClient.shutdown();
hazelcastClient = null;
endpointMap = null;
}
}
private void initHazelcastClientInstance() {
this.properties = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(RuntimeProperties.class).getProperties();
RegistryConfig rc = new RegistryConfig(properties);
if (rc.getWKAs().size() < 1) {
String ip = getDefaultWKA();
if (ip != null) {
rc.getWKAs().add(ip);
}
}
if (rc.getWKAs().size() < 1) {
throw new IllegalArgumentException("Must specify remote IP address(es) for domain");
}
this.domainURI = properties.getProperty("defaultDomainName", "default");
this.hazelcastClient = HazelcastClient.newHazelcastClient(rc.getUserid(), rc.getPassword(), rc.getWKAs().toArray(new String[0]));
}
@Override
public HazelcastInstance getHazelcastInstance() {
return hazelcastClient;
}
/**
* See if there's a local IP listening on port 14820
*/
protected static String getDefaultWKA() {
try {
Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
while (nis.hasMoreElements()) {
NetworkInterface ni = nis.nextElement();
Enumeration<InetAddress> ips = ni.getInetAddresses();
while (ips.hasMoreElements()) {
InetAddress addr = ips.nextElement();
ServerSocket ss = null;
try {
ss = new ServerSocket(14820, 0, addr);
} catch (BindException e) {
return addr.getHostAddress() + ":14820";
} finally {
if (ss != null) {
ss.close();
}
}
}
}
} catch (Exception e) {
}
return null;
}
}
|
