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NETCONF Flow Rule Provider Check-in after modification.
Change-Id: I7b1b9953cfd44dc43fc932ca57cd5accd11bdb1b
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... | @@ -37,6 +37,11 @@ | ... | @@ -37,6 +37,11 @@ |
37 | <artifactId>onos-netconf-provider-device</artifactId> | 37 | <artifactId>onos-netconf-provider-device</artifactId> |
38 | <version>${project.version}</version> | 38 | <version>${project.version}</version> |
39 | </dependency> | 39 | </dependency> |
40 | + <dependency> | ||
41 | + <groupId>org.onosproject</groupId> | ||
42 | + <artifactId>onos-netconf-provider-flow</artifactId> | ||
43 | + <version>${project.version}</version> | ||
44 | + </dependency> | ||
40 | <!-- TODO: add other dependencies here as more bundles are added to the app --> | 45 | <!-- TODO: add other dependencies here as more bundles are added to the app --> |
41 | </dependencies> | 46 | </dependencies> |
42 | 47 | ... | ... |
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1 | +/* | ||
2 | + * Copyright 2015 Open Networking Laboratory | ||
3 | + * | ||
4 | + * Licensed under the Apache License, Version 2.0 (the "License"); | ||
5 | + * you may not use this file except in compliance with the License. | ||
6 | + * You may obtain a copy of the License at | ||
7 | + * | ||
8 | + * http://www.apache.org/licenses/LICENSE-2.0 | ||
9 | + * | ||
10 | + * Unless required by applicable law or agreed to in writing, software | ||
11 | + * distributed under the License is distributed on an "AS IS" BASIS, | ||
12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
13 | + * See the License for the specific language governing permissions and | ||
14 | + * limitations under the License. | ||
15 | + */ | ||
16 | +package org.onosproject.provider.netconf.flow.impl; | ||
17 | + | ||
18 | +import static org.onlab.util.Tools.delay; | ||
19 | +import static org.slf4j.LoggerFactory.getLogger; | ||
20 | + | ||
21 | +import java.io.IOException; | ||
22 | + | ||
23 | +import org.slf4j.Logger; | ||
24 | + | ||
25 | +import com.tailf.jnc.Capabilities; | ||
26 | +import com.tailf.jnc.JNCException; | ||
27 | +import com.tailf.jnc.SSHConnection; | ||
28 | +import com.tailf.jnc.SSHSession; | ||
29 | + | ||
30 | +/** | ||
31 | + * This is to carry necessary information to connect and execute NETCONF | ||
32 | + * operations. | ||
33 | + */ | ||
34 | +public class NetconfOperation { | ||
35 | + private final Logger log = getLogger(NetconfOperation.class); | ||
36 | + private static final int EVENTINTERVAL = 2000; | ||
37 | + private static final int CONNECTION_CHECK_INTERVAL = 3; | ||
38 | + private static final String INPUT_HELLO_XML_MSG = new StringBuilder( | ||
39 | + "<?xml version=\"1.0\" encoding=\"UTF-8\"?>") | ||
40 | + .append("<hello xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">") | ||
41 | + .append("<capabilities><capability>urn:ietf:params:netconf:base:1.0</capability>") | ||
42 | + .append("</capabilities></hello>").toString(); | ||
43 | + | ||
44 | + /** | ||
45 | + * This will send a Xml message to the device. | ||
46 | + */ | ||
47 | + protected void sendXmlMessage(String xmlMsg, String username, | ||
48 | + String password, String deviceIp, | ||
49 | + Integer devicePort) { | ||
50 | + SSHSession ssh = null; | ||
51 | + try { | ||
52 | + SSHConnection sshConnection = getConnection(username, password, | ||
53 | + deviceIp, devicePort); | ||
54 | + ssh = new SSHSession(sshConnection); | ||
55 | + executeMessage(ssh, INPUT_HELLO_XML_MSG); | ||
56 | + /* | ||
57 | + * execute acl message | ||
58 | + */ | ||
59 | + executeMessage(ssh, xmlMsg); | ||
60 | + | ||
61 | + } catch (IOException e) { | ||
62 | + log.error("Unable to send Hello Message to the device: ", e); | ||
63 | + } catch (JNCException e) { | ||
64 | + log.error("Authentication fail while sending Hello Message to the device: ", | ||
65 | + e); | ||
66 | + } catch (Exception e) { | ||
67 | + log.error("Unable to send Hello Message to the device: ", e); | ||
68 | + } finally { | ||
69 | + log.debug("Closing the session after successful execution"); | ||
70 | + ssh.close(); | ||
71 | + } | ||
72 | + } | ||
73 | + | ||
74 | + private void executeMessage(SSHSession ssh, String xmlMsg) | ||
75 | + throws IOException, JNCException { | ||
76 | + String helloRequestXML = xmlMsg.trim(); | ||
77 | + | ||
78 | + log.debug("Sending Hello"); | ||
79 | + ssh.print(helloRequestXML); | ||
80 | + ssh.flush(); | ||
81 | + String xmlResponse = null; | ||
82 | + int i = CONNECTION_CHECK_INTERVAL; | ||
83 | + while (!ssh.ready() && i > 0) { | ||
84 | + delay(EVENTINTERVAL); | ||
85 | + i--; | ||
86 | + } | ||
87 | + | ||
88 | + if (ssh.ready()) { | ||
89 | + StringBuffer readOne = ssh.readOne(); | ||
90 | + if (readOne == null) { | ||
91 | + log.error("The Hello Contains No Capabilites"); | ||
92 | + throw new JNCException( | ||
93 | + JNCException.SESSION_ERROR, | ||
94 | + "server does not support NETCONF base capability: " | ||
95 | + + Capabilities.NETCONF_BASE_CAPABILITY); | ||
96 | + } else { | ||
97 | + xmlResponse = readOne.toString().trim(); | ||
98 | + | ||
99 | + log.debug("Reading Capabilities: " | ||
100 | + + ssh.getSSHConnection().getGanymedConnection() | ||
101 | + .getHostname()); | ||
102 | + } | ||
103 | + } | ||
104 | + } | ||
105 | + | ||
106 | + /** | ||
107 | + * To establish SSH Connection. | ||
108 | + */ | ||
109 | + public SSHConnection getConnection(String username, String password, | ||
110 | + String sshHost, Integer sshPort) | ||
111 | + throws Exception { | ||
112 | + SSHConnection sshConnection; | ||
113 | + try { | ||
114 | + sshConnection = new SSHConnection(sshHost, sshPort); | ||
115 | + sshConnection.authenticateWithPassword(username, password); | ||
116 | + } catch (IOException e) { | ||
117 | + log.error("Unable to create a connection to the device: "); | ||
118 | + throw e; | ||
119 | + } catch (JNCException e) { | ||
120 | + log.error("Failed to connect to the device: "); | ||
121 | + throw e; | ||
122 | + } | ||
123 | + return sshConnection; | ||
124 | + } | ||
125 | + | ||
126 | +} |
providers/netconf/flow/src/main/java/org/onosproject/provider/netconf/flow/impl/XmlBuilder.java
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