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
|
package com.juick.server;
import com.juick.server.xmpp.s2s.BasicXmppSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.xmlpull.v1.XmlPullParserException;
import rocks.xmpp.addr.Jid;
import rocks.xmpp.core.stanza.model.Stanza;
import rocks.xmpp.util.XmppUtils;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.inject.Inject;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.ExecutorService;
@Component
public class XMPPRouter implements StreamHandler {
private static final Logger logger = LoggerFactory.getLogger(XMPPRouter.class);
@Inject
private ExecutorService service;
private final List<StreamComponentServer> connections = Collections.synchronizedList(new ArrayList<>());
private ServerSocket listener;
@Inject
private BasicXmppSession session;
@Value("${router_port:5347}")
private int routerPort;
@PostConstruct
public void init() {
logger.info("component router initialized");
service.submit(() -> {
try {
listener = new ServerSocket(routerPort);
logger.info("component router listening on {}", routerPort);
while (!listener.isClosed()) {
if (Thread.currentThread().isInterrupted()) break;
Socket socket = listener.accept();
service.submit(() -> {
try {
StreamComponentServer client = new StreamComponentServer(socket.getInputStream(), socket.getOutputStream(), "secret");
addConnectionIn(client);
client.setHandler(this);
client.connect();
} catch (IOException e) {
logger.error("component error", e);
} catch (XmlPullParserException e) {
e.printStackTrace();
}
});
}
} catch (SocketException e) {
// shutdown
} catch (IOException e) {
logger.warn("io exception", e);
}
});
}
@PreDestroy
public void close() throws Exception {
if (!listener.isClosed()) {
listener.close();
}
synchronized (getConnections()) {
for (Iterator<StreamComponentServer> i = getConnections().iterator(); i.hasNext(); ) {
StreamComponentServer c = i.next();
c.logoff();
i.remove();
}
}
service.shutdown();
logger.info("XMPP router destroyed");
}
private void addConnectionIn(StreamComponentServer c) {
synchronized (getConnections()) {
getConnections().add(c);
}
}
private void sendOut(Stanza s) {
try {
StringWriter stanzaWriter = new StringWriter();
XMLStreamWriter xmppStreamWriter = XmppUtils.createXmppStreamWriter(
session.getConfiguration().getXmlOutputFactory().createXMLStreamWriter(stanzaWriter));
session.createMarshaller().marshal(s, xmppStreamWriter);
xmppStreamWriter.flush();
xmppStreamWriter.close();
String xml = stanzaWriter.toString();
logger.info("XMPPRouter (out): {}", xml);
sendOut(s.getTo().getDomain(), xml);
} catch (XMLStreamException | JAXBException e1) {
logger.info("jaxb exception", e1);
}
}
private void sendOut(String hostname, String xml) {
boolean haveAnyConn = false;
StreamComponentServer connOut = null;
synchronized (getConnections()) {
for (StreamComponentServer c : getConnections()) {
if (c.to != null && c.to.getDomain().equals(hostname)) {
if (c.isLoggedIn()) {
connOut = c;
break;
}
}
}
}
if (connOut != null) {
connOut.send(xml);
return;
}
logger.error("component unavailable: {}", hostname);
}
public List<StreamComponentServer> getConnections() {
return connections;
}
private Stanza parse(String xml) {
try {
Unmarshaller unmarshaller = session.createUnmarshaller();
return (Stanza)unmarshaller.unmarshal(new StringReader(xml));
} catch (JAXBException e) {
logger.error("JAXB exception", e);
}
return null;
}
@Override
public void stanzaReceived(String stanza) {
sendOut(parse(stanza));
}
@Override
public void ready() {
}
@Override
public void fail(Exception e) {
}
@Override
public boolean filter(Jid jid, Jid jid1) {
return false;
}
}
|
