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SocketUtils considers port range including maxPort

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Issue: SPR-14211
This commit is contained in:
Juergen Hoeller
2016-04-26 17:03:00 +02:00
parent 9bf5a5cbcb
commit bf7b475267
2 changed files with 43 additions and 41 deletions
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58
spring-core/src/test/java/org/springframework/util/SocketUtilsTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -35,19 +35,7 @@ import static org.springframework.util.SocketUtils.*;
*/
public class SocketUtilsTests {
private void assertPortInRange(int port, int minPort, int maxPort) {
assertTrue("port [" + port + "] >= " + minPort, port >= minPort);
assertTrue("port [" + port + "] <= " + maxPort, port <= maxPort);
}
private void assertAvailablePorts(SortedSet<Integer> ports, int numRequested, int minPort, int maxPort) {
assertEquals("number of ports requested", numRequested, ports.size());
for (int port : ports) {
assertPortInRange(port, minPort, maxPort);
}
}
// --- TCP -----------------------------------------------------------------
// TCP
@Test(expected = IllegalArgumentException.class)
public void findAvailableTcpPortWithZeroMinPort() {
@@ -70,8 +58,7 @@ public class SocketUtilsTests {
int port = SocketUtils.findAvailableTcpPort();
ServerSocket socket = ServerSocketFactory.getDefault().createServerSocket(port, 1, InetAddress.getByName("localhost"));
try {
// will only look for the exact port, since random.nextInt(1) always returns 0
SocketUtils.findAvailableTcpPort(port, port + 1);
SocketUtils.findAvailableTcpPort(port, port);
}
finally {
socket.close();
@@ -117,17 +104,8 @@ public class SocketUtilsTests {
findAvailableTcpPorts(50, 45000, 45010);
}
private void findAvailableTcpPorts(int numRequested) {
SortedSet<Integer> ports = SocketUtils.findAvailableTcpPorts(numRequested);
assertAvailablePorts(ports, numRequested, PORT_RANGE_MIN, PORT_RANGE_MAX);
}
private void findAvailableTcpPorts(int numRequested, int minPort, int maxPort) {
SortedSet<Integer> ports = SocketUtils.findAvailableTcpPorts(numRequested, minPort, maxPort);
assertAvailablePorts(ports, numRequested, minPort, maxPort);
}
// --- UDP -----------------------------------------------------------------
// UDP
@Test(expected = IllegalArgumentException.class)
public void findAvailableUdpPortWithZeroMinPort() {
@@ -150,8 +128,8 @@ public class SocketUtilsTests {
int port = SocketUtils.findAvailableUdpPort();
DatagramSocket socket = new DatagramSocket(port, InetAddress.getByName("localhost"));
try {
// will only look for the exact port, since random.nextInt(1) always returns 0
SocketUtils.findAvailableUdpPort(port, port + 1);
// will only look for the exact port
SocketUtils.findAvailableUdpPort(port, port);
}
finally {
socket.close();
@@ -197,6 +175,19 @@ public class SocketUtilsTests {
findAvailableUdpPorts(50, 45000, 45010);
}
// Helpers
private void findAvailableTcpPorts(int numRequested) {
SortedSet<Integer> ports = SocketUtils.findAvailableTcpPorts(numRequested);
assertAvailablePorts(ports, numRequested, PORT_RANGE_MIN, PORT_RANGE_MAX);
}
private void findAvailableTcpPorts(int numRequested, int minPort, int maxPort) {
SortedSet<Integer> ports = SocketUtils.findAvailableTcpPorts(numRequested, minPort, maxPort);
assertAvailablePorts(ports, numRequested, minPort, maxPort);
}
private void findAvailableUdpPorts(int numRequested) {
SortedSet<Integer> ports = SocketUtils.findAvailableUdpPorts(numRequested);
assertAvailablePorts(ports, numRequested, PORT_RANGE_MIN, PORT_RANGE_MAX);
@@ -206,5 +197,16 @@ public class SocketUtilsTests {
SortedSet<Integer> ports = SocketUtils.findAvailableUdpPorts(numRequested, minPort, maxPort);
assertAvailablePorts(ports, numRequested, minPort, maxPort);
}
private void assertPortInRange(int port, int minPort, int maxPort) {
assertTrue("port [" + port + "] >= " + minPort, port >= minPort);
assertTrue("port [" + port + "] <= " + maxPort, port <= maxPort);
}
private void assertAvailablePorts(SortedSet<Integer> ports, int numRequested, int minPort, int maxPort) {
assertEquals("number of ports requested", numRequested, ports.size());
for (int port : ports) {
assertPortInRange(port, minPort, maxPort);
}
}
}