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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package jdk.jfr.internal.instrument;

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

import jdk.jfr.events.SocketReadEvent;

See JITracer for an explanation of this code.
/** * See {@link JITracer} for an explanation of this code. */
@JIInstrumentationTarget("java.net.SocketInputStream") @JITypeMapping(from = "jdk.jfr.internal.instrument.SocketInputStreamInstrumentor$AbstractPlainSocketImpl", to = "java.net.AbstractPlainSocketImpl") final class SocketInputStreamInstrumentor { private SocketInputStreamInstrumentor() { } @SuppressWarnings("deprecation") @JIInstrumentationMethod int read(byte b[], int off, int length, int timeout) throws IOException { SocketReadEvent event = SocketReadEvent.EVENT.get(); if (!event.isEnabled()) { return read(b, off, length, timeout); } int bytesRead = 0; try { event.begin(); bytesRead = read(b, off, length, timeout); } finally { event.end(); if (event.shouldCommit()) { String hostString = impl.address.toString(); int delimiterIndex = hostString.lastIndexOf('/'); event.host = hostString.substring(0, delimiterIndex); event.address = hostString.substring(delimiterIndex + 1); event.port = impl.port; if (bytesRead < 0) { event.endOfStream = true; } else { event.bytesRead = bytesRead; } event.timeout = timeout; event.commit(); event.reset(); } } return bytesRead; } private AbstractPlainSocketImpl impl = null; void silenceFindBugsUnwrittenField(InetAddress dummy) { impl.address = dummy; } static class AbstractPlainSocketImpl { InetAddress address; int port; } }