6310285782

Committed 26 Sep 2023 08:47AM UTC coverage: 36.367% (-0.5%) from 36.866%

Build # 6310285782

Build Type

Pull #658

github

Committed by

dkfellows

Commit Message

Merge branch 'master' into java-17

Pull Request Pull Request #658: Update Java version to 17 and JEE to 9

Run Details

1675 of 1675 new or added lines in 266 files covered. (100.0%)

8368 of 23010 relevant lines covered (36.37%)

0.36 hits per line

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0.0

/SpiNNaker-comms/src/main/java/uk/ac/manchester/spinnaker/connections/IPAddressConnection.java

/*
 * Copyright (c) 2018 The University of Manchester
 *
 * Licensed 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
 *
 *     https://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 uk.ac.manchester.spinnaker.connections;

import static uk.ac.manchester.spinnaker.messages.Constants.UDP_BOOT_CONNECTION_DEFAULT_PORT;

import java.io.IOException;
import java.net.InetAddress;

/**
 * A connection that detects any UDP packet that is transmitted by SpiNNaker
 * boards prior to boot. Note that pre-boot messages contain no useful payload.
 */
public class IPAddressConnection extends UDPConnection<InetAddress> {
        /** Matches SPINN_PORT in spinnaker_bootROM. */
        private static final int BOOTROM_SPINN_PORT = 54321;

        /**
         * Create a connection listening on the default SpiNNaker pre-boot broadcast
         * port.
         *
         * @throws IOException
         *             If setting up the network fails.
         */
        public IPAddressConnection() throws IOException {
                this(null, UDP_BOOT_CONNECTION_DEFAULT_PORT);
        }

        /**
         * Create a connection listening on the default SpiNNaker pre-boot broadcast
         * port.
         *
         * @param localHost
         *            Local hostname to bind to.
         * @throws IOException
         *             If setting up the network fails.
         */
        public IPAddressConnection(InetAddress localHost) throws IOException {
                this(localHost, UDP_BOOT_CONNECTION_DEFAULT_PORT);
        }

        /**
         * Create a connection.
         *
         * @param localHost
         *            Local hostname to bind to.
         * @param localPort
         *            Local port to bind to.
         * @throws IOException
         *             If setting up the network fails.
         */
        public IPAddressConnection(InetAddress localHost, int localPort)
                        throws IOException {
                super(localHost, localPort, null, null, null);
        }

        /**
         * @return The IP address, or {@code null} if none was forthcoming.
         */
        @Override
        public final InetAddress receiveMessage() {
                return receiveMessage(Integer.MAX_VALUE);
        }

        /**
         * @param timeout
         *            How long to wait for an IP address; {@code null} for forever.
         * @return The IP address, or {@code null} if none was forthcoming.
         */
        @Override
        public InetAddress receiveMessage(int timeout) {
                try {
                        var packet = receiveWithAddress(timeout);
                        var addr = packet.address();
                        if (addr.getPort() == BOOTROM_SPINN_PORT) {
                                return addr.getAddress();
                        }
                } catch (IOException e) {
                        // Do nothing
                }
                return null;
        }
}

1	/*
2	* Copyright (c) 2018 The University of Manchester
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	* https://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 uk.ac.manchester.spinnaker.connections;
17
18	import static uk.ac.manchester.spinnaker.messages.Constants.UDP_BOOT_CONNECTION_DEFAULT_PORT;
19
20	import java.io.IOException;
21	import java.net.InetAddress;
22
23	/**
24	* A connection that detects any UDP packet that is transmitted by SpiNNaker
25	* boards prior to boot. Note that pre-boot messages contain no useful payload.
26	*/
27	public class IPAddressConnection extends UDPConnection<InetAddress> {
28	/** Matches SPINN_PORT in spinnaker_bootROM. */
29	private static final int BOOTROM_SPINN_PORT = 54321;
30
31	/**
32	* Create a connection listening on the default SpiNNaker pre-boot broadcast
33	* port.
34	*
35	* @throws IOException
36	* If setting up the network fails.
37	*/
38	public IPAddressConnection() throws IOException {
39	this(null, UDP_BOOT_CONNECTION_DEFAULT_PORT);	×
40	}	×
41
42	/**
43	* Create a connection listening on the default SpiNNaker pre-boot broadcast
44	* port.
45	*
46	* @param localHost
47	* Local hostname to bind to.
48	* @throws IOException
49	* If setting up the network fails.
50	*/
51	public IPAddressConnection(InetAddress localHost) throws IOException {
52	this(localHost, UDP_BOOT_CONNECTION_DEFAULT_PORT);	×
53	}	×
54
55	/**
56	* Create a connection.
57	*
58	* @param localHost
59	* Local hostname to bind to.
60	* @param localPort
61	* Local port to bind to.
62	* @throws IOException
63	* If setting up the network fails.
64	*/
65	public IPAddressConnection(InetAddress localHost, int localPort)
66	throws IOException {
67	super(localHost, localPort, null, null, null);	×
68	}	×
69
70	/**
71	* @return The IP address, or {@code null} if none was forthcoming.
72	*/
73	@Override
74	public final InetAddress receiveMessage() {
75	return receiveMessage(Integer.MAX_VALUE);	×
76	}
77
78	/**
79	* @param timeout
80	* How long to wait for an IP address; {@code null} for forever.
81	* @return The IP address, or {@code null} if none was forthcoming.
82	*/
83	@Override
84	public InetAddress receiveMessage(int timeout) {
85	try {
86	var packet = receiveWithAddress(timeout);	×
87	var addr = packet.address();	×
88	if (addr.getPort() == BOOTROM_SPINN_PORT) {	×
89	return addr.getAddress();	×
90	}
91	} catch (IOException e) {	×
92	// Do nothing
93	}	×
94	return null;	×
95	}
96	}

SpiNNakerManchester / JavaSpiNNaker / 6310285782

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