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8308995: Update Network IO JFR events to be static mirror events

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Reviewed-by: egahlin, alanb
This commit is contained in:
Tim Prinzing 2023-09-20 12:34:08 +00:00 • committed by Alan Bateman
parent e1870d360e
commit b275bdd9b5
13 changed files with 527 additions and 387 deletions
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38
src/java.base/share/classes/java/net/Socket.java
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@ -25,6 +25,8 @@
package java.net;
import jdk.internal.event.SocketReadEvent;
import jdk.internal.event.SocketWriteEvent;
import sun.security.util.SecurityConstants;
import java.io.InputStream;
@ -1073,9 +1075,6 @@ public class Socket implements java.io.Closeable {
/**
* An InputStream that delegates read/available operations to an underlying
* input stream. The close method is overridden to close the Socket.
*
* This class is instrumented by Java Flight Recorder (JFR) to get socket
* I/O events.
*/
private static class SocketInputStream extends InputStream {
private final Socket parent;
@ -1092,6 +1091,16 @@ public class Socket implements java.io.Closeable {
}
@Override
public int read(byte[] b, int off, int len) throws IOException {
if (!SocketReadEvent.enabled()) {
return implRead(b, off, len);
}
long start = SocketReadEvent.timestamp();
int nbytes = implRead(b, off, len);
SocketReadEvent.offer(start, nbytes, parent.getRemoteSocketAddress(), getSoTimeout());
return nbytes;
}
private int implRead(byte[] b, int off, int len) throws IOException {
try {
return in.read(b, off, len);
} catch (SocketTimeoutException e) {
@ -1105,6 +1114,16 @@ public class Socket implements java.io.Closeable {
throw e;
}
}
private int getSoTimeout() {
try {
return parent.getSoTimeout();
} catch (SocketException e) {
// ignored - avoiding exceptions in jfr event data gathering
}
return 0;
}
@Override
public int available() throws IOException {
return in.available();
@ -1169,9 +1188,6 @@ public class Socket implements java.io.Closeable {
/**
* An OutputStream that delegates write operations to an underlying output
* stream. The close method is overridden to close the Socket.
*
* This class is instrumented by Java Flight Recorder (JFR) to get socket
* I/O events.
*/
private static class SocketOutputStream extends OutputStream {
private final Socket parent;
@ -1187,6 +1203,16 @@ public class Socket implements java.io.Closeable {
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
if (!SocketWriteEvent.enabled()) {
implWrite(b, off, len);
return;
}
long start = SocketWriteEvent.timestamp();
implWrite(b, off, len);
SocketWriteEvent.offer(start, len, parent.getRemoteSocketAddress());
}
private void implWrite(byte[] b, int off, int len) throws IOException {
try {
out.write(b, off, len);
} catch (InterruptedIOException e) {