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ThroughputTest: Datagram tests may timeout on macOS
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Dump exception to stderr if datagram tests timeout, but do not throw
exception -- this is a throughput test only.
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@kohlschuetter
kohlschuetter committed Feb 8, 2023
1 parent 1ca9653 commit 3c63011
Showing 1 changed file with 103 additions and 78 deletions.
181 changes: 103 additions & 78 deletions junixsocket-common/src/test/java/org/newsclub/net/unix/ThroughputTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@
import org.junit.jupiter.api.MethodOrderer;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestMethodOrder;
import org.junit.platform.commons.JUnitException;

import com.kohlschutter.annotations.compiletime.SuppressFBWarnings;
import com.kohlschutter.util.SystemPropertyUtil;
Expand Down Expand Up @@ -301,123 +302,147 @@ protected void handleConnection(Socket sock) throws IOException {
@Test
@SuppressWarnings("PMD.CognitiveComplexity")
public void testDatagramPacket() throws Exception {
assertTimeoutPreemptively(Duration.ofSeconds(NUM_SECONDS + 5), () -> {
SocketAddress dsAddr = newTempAddressForDatagram();
SocketAddress dcAddr = newTempAddressForDatagram();
try {
assertTimeoutPreemptively(Duration.ofSeconds(NUM_SECONDS + 5), () -> {
SocketAddress dsAddr = newTempAddressForDatagram();
SocketAddress dcAddr = newTempAddressForDatagram();

try (DatagramSocket ds = newDatagramSocket(); DatagramSocket dc = newDatagramSocket()) {
if (!ds.isBound()) {
ds.bind(dsAddr);
}
if (!dc.isBound()) {
dc.bind(dcAddr);
}
try (DatagramSocket ds = newDatagramSocket(); DatagramSocket dc = newDatagramSocket()) {
if (!ds.isBound()) {
ds.bind(dsAddr);
}
if (!dc.isBound()) {
dc.bind(dcAddr);
}

dsAddr = ds.getLocalSocketAddress();
dcAddr = dc.getLocalSocketAddress();
dsAddr = ds.getLocalSocketAddress();
dcAddr = dc.getLocalSocketAddress();

assertNotEquals(dsAddr, dcAddr);
assertNotEquals(dsAddr, dcAddr);

dc.connect(dsAddr);
dc.connect(dsAddr);

AtomicBoolean keepRunning = new AtomicBoolean(true);
Executors.newSingleThreadScheduledExecutor().schedule(() -> {
keepRunning.set(false);
}, NUM_MILLISECONDS, TimeUnit.MILLISECONDS);
AtomicBoolean keepRunning = new AtomicBoolean(true);
Executors.newSingleThreadScheduledExecutor().schedule(() -> {
keepRunning.set(false);
}, NUM_MILLISECONDS, TimeUnit.MILLISECONDS);

AtomicLong readTotal = new AtomicLong();
long sentTotal = 0;
AtomicLong readTotal = new AtomicLong();
long sentTotal = 0;

new Thread() {
final DatagramPacket dp = new DatagramPacket(new byte[PAYLOAD_SIZE], PAYLOAD_SIZE);
new Thread() {
final DatagramPacket dp = new DatagramPacket(new byte[PAYLOAD_SIZE], PAYLOAD_SIZE);

@Override
public void run() {
try {
while (!Thread.interrupted() && !ds.isClosed()) {
try {
ds.receive(dp);
} catch (SocketTimeoutException e) {
continue;
@Override
public void run() {
try {
while (!Thread.interrupted() && !ds.isClosed()) {
try {
ds.receive(dp);
} catch (SocketTimeoutException e) {
continue;
}
int read = dp.getLength();
if (read != PAYLOAD_SIZE && read != 0) {
throw new IOException("Unexpected response length: " + read);
}
readTotal.addAndGet(dp.getLength());
}
int read = dp.getLength();
if (read != PAYLOAD_SIZE && read != 0) {
throw new IOException("Unexpected response length: " + read);
} catch (SocketException e) {
if (keepRunning.get()) {
e.printStackTrace();
}
readTotal.addAndGet(dp.getLength());
}
} catch (SocketException e) {
if (keepRunning.get()) {
} catch (IOException e) {
e.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}.start();

long time = System.currentTimeMillis();
}.start();

DatagramPacket dp = new DatagramPacket(new byte[PAYLOAD_SIZE], PAYLOAD_SIZE);
byte[] data = dp.getData();
for (int i = 0; i < data.length; i++) {
data[i] = (byte) i;
}
long time = System.currentTimeMillis();

while (keepRunning.get()) {
try {
dc.send(dp);
} catch (PortUnreachableException e) {
e.addSuppressed(new Exception(dp.getSocketAddress().toString()));
throw e;
DatagramPacket dp = new DatagramPacket(new byte[PAYLOAD_SIZE], PAYLOAD_SIZE);
byte[] data = dp.getData();
for (int i = 0; i < data.length; i++) {
data[i] = (byte) i;
}
sentTotal += PAYLOAD_SIZE;
}
time = System.currentTimeMillis() - time;
keepRunning.set(false);
ds.close(); // terminate server

long readTotal0 = readTotal.get();
while (keepRunning.get()) {
try {
dc.send(dp);
} catch (PortUnreachableException e) {
e.addSuppressed(new Exception(dp.getSocketAddress().toString()));
throw e;
}
sentTotal += PAYLOAD_SIZE;
}
time = System.currentTimeMillis() - time;
keepRunning.set(false);
ds.close(); // terminate server

reportResults(stbTestType() + " DatagramPacket", ((1000f * readTotal0 / time) / 1000f
/ 1000f) + " MB/s for payload size " + PAYLOAD_SIZE + "; " + String.format(
Locale.ENGLISH, "%.1f%% packet loss", 100 * (1 - (readTotal0
/ (float) sentTotal))));
}
});
long readTotal0 = readTotal.get();

reportResults(stbTestType() + " DatagramPacket", ((1000f * readTotal0 / time) / 1000f
/ 1000f) + " MB/s for payload size " + PAYLOAD_SIZE + "; " + String.format(
Locale.ENGLISH, "%.1f%% packet loss", 100 * (1 - (readTotal0
/ (float) sentTotal))));
}
});
} catch (JUnitException e) {
// Ignore timeout failure (this is a throughput test only)
e.printStackTrace();
}
}

@Test
@AFSocketCapabilityRequirement(AFSocketCapability.CAPABILITY_UNIX_DATAGRAMS)
public void testDatagramChannel() throws Exception {
assertTimeoutPreemptively(Duration.ofSeconds(NUM_SECONDS + 10), () -> {
testDatagramChannel(false, true);
});
try {
assertTimeoutPreemptively(Duration.ofSeconds(NUM_SECONDS + 5), () -> {
testDatagramChannel(false, true);
});
} catch (JUnitException e) {
// Ignore timeout failure (this is a throughput test only)
e.printStackTrace();
}
}

@Test
@AFSocketCapabilityRequirement(AFSocketCapability.CAPABILITY_UNIX_DATAGRAMS)
public void testDatagramChannelDirect() throws Exception {
assertTimeoutPreemptively(Duration.ofSeconds(NUM_SECONDS + 10), () -> {
testDatagramChannel(true, true);
});
try {
assertTimeoutPreemptively(Duration.ofSeconds(NUM_SECONDS + 5), () -> {
testDatagramChannel(true, true);
});
} catch (JUnitException e) {
// Ignore timeout failure (this is a throughput test only)
e.printStackTrace();
}
}

@Test
@AFSocketCapabilityRequirement(AFSocketCapability.CAPABILITY_UNIX_DATAGRAMS)
public void testDatagramChannelNonBlocking() throws Exception {
assertTimeoutPreemptively(Duration.ofSeconds(NUM_SECONDS + 10), () -> {
testDatagramChannel(false, false);
});
try {
assertTimeoutPreemptively(Duration.ofSeconds(NUM_SECONDS + 5), () -> {
testDatagramChannel(false, false);
});
} catch (JUnitException e) {
// Ignore timeout failure (this is a throughput test only)
e.printStackTrace();
}
}

@Test
@AFSocketCapabilityRequirement(AFSocketCapability.CAPABILITY_UNIX_DATAGRAMS)
public void testDatagramChannelNonBlockingDirect() throws Exception {
assertTimeoutPreemptively(Duration.ofSeconds(NUM_SECONDS + 10), () -> {
testDatagramChannel(true, false);
});
try {
assertTimeoutPreemptively(Duration.ofSeconds(NUM_SECONDS + 5), () -> {
testDatagramChannel(true, false);
});
} catch (JUnitException e) {
// Ignore timeout failure (this is a throughput test only)
e.printStackTrace();
}
}

private void testDatagramChannel(boolean direct, boolean blocking) throws Exception {
Expand Down

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