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SingleCoreIOReactor: Add support for Unix domain sockets #523

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Merged
rschmitt merged 1 commit into from
May 29, 2025
Merged

SingleCoreIOReactor: Add support for Unix domain sockets #523

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16 changes: 15 additions & 1 deletion httpcore5/src/main/java/org/apache/hc/core5/reactor/SingleCoreIOReactor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,9 +29,11 @@

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ProtocolFamily;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketOption;
import java.net.StandardProtocolFamily;
import java.net.StandardSocketOptions;
import java.net.UnknownHostException;
import java.nio.channels.CancelledKeyException;
Expand Down Expand Up @@ -346,7 +348,7 @@ private void processPendingConnectionRequests() {
if (!sessionRequest.isCancelled()) {
final SocketChannel socketChannel;
try {
socketChannel = SocketChannel.open();
socketChannel = openSocketFor(sessionRequest.remoteAddress);
} catch (final IOException ex) {
sessionRequest.failed(ex);
return;
Expand All @@ -361,6 +363,18 @@ private void processPendingConnectionRequests() {
}
}

private static SocketChannel openSocketFor(final SocketAddress remoteAddress) throws IOException {
if (remoteAddress instanceof InetSocketAddress) {
return SocketChannel.open();
}
try {
return (SocketChannel) SocketChannel.class.getMethod("open", ProtocolFamily.class)
.invoke(null, StandardProtocolFamily.valueOf("UNIX"));
} catch (final ReflectiveOperationException e) {
throw new UnsupportedOperationException("UNIX-family socket channels not supported", e);
}
}

private void processConnectionRequest(final SocketChannel socketChannel, final IOSessionRequest sessionRequest) throws IOException {
socketChannel.configureBlocking(false);
prepareSocket(socketChannel);
Expand Down