49 lines
1.3 KiB
Java
49 lines
1.3 KiB
Java
import io.aeron.Aeron;
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import io.aeron.Publication;
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import io.aeron.driver.MediaDriver;
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import org.agrona.concurrent.UnsafeBuffer;
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import java.nio.ByteBuffer;
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import java.nio.charset.StandardCharsets;
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public class Publisher {
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public static void main(String[] args) throws Exception {
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MediaDriver driver = MediaDriver.launchEmbedded();
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Aeron.Context ctx = new Aeron.Context()
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.aeronDirectoryName(driver.aeronDirectoryName());
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Aeron aeron = Aeron.connect(ctx);
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String channel = "aeron:udp?endpoint=subscriber:40123";
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int streamId = 1001;
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Publication publication = aeron.addPublication(channel, streamId);
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UnsafeBuffer buffer = new UnsafeBuffer(ByteBuffer.allocateDirect(256));
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long counter = 0;
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System.out.println("Publisher ready");
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while (true) {
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long timestamp = System.currentTimeMillis();
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String msg = counter + "," + timestamp;
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buffer.setMemory(0, buffer.capacity(), (byte) 0);
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byte[] bytes = msg.getBytes(StandardCharsets.UTF_8);
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buffer.putBytes(0, bytes);
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long result;
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do {
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result = publication.offer(buffer, 0, bytes.length);
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if (result < 0)
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Thread.yield();
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} while (result < 0);
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System.out.println("Sent: " + msg);
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counter++;
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Thread.sleep(1000);
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}
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}
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}
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