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/*
 * @test
 * @bug 8312065
 * @summary Socket.connect does not timeout as expected when profiling (i.e. keep receiving signal)
 * @requires (os.family != "windows")
 * @library /test/lib
 * @build jtreg.SkippedException
 * @compile NativeThread.java
 * @run main/othervm/native/timeout=120 -Djdk.net.usePlainSocketImpl B8312065
 */

import sun.misc.Signal;

import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketTimeoutException;
import java.util.concurrent.TimeUnit;

import jtreg.SkippedException;

public class B8312065 {
    public static void main(String[] args) throws Exception {
        System.loadLibrary("NativeThread");

        // Setup SIGPIPE handler
        Signal.handle(new Signal("PIPE"), System.out::println);

        long osThreadId = NativeThread.getID();

        int timeoutMillis = 2000;
        int n = 10;
        Thread t = new Thread(() -> {
            // Send SIGPIPE to the thread every second
            for (int i = 0; i < n; i++) {
                if (NativeThread.signal(osThreadId, NativeThread.SIGPIPE) != 0) {
                    System.out.println("Test FAILED: failed to send signal");
                    System.exit(1);
                }
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    System.out.println("Test FAILED: unexpected interrupt");
                    System.exit(1);
                }
            }
            System.out.println("Test FAILED: Socket.connect blocked " + n + " seconds, " +
                    "expected around " + timeoutMillis / 1000 + " seconds");
            System.exit(1);
        });
        t.setDaemon(true);
        t.start();

        long startTime = System.nanoTime();

        try {
            Socket socket = new Socket();
            // There is no good way to mock SocketTimeoutException, just assume 192.168.255.255 is not in use
            socket.connect(new InetSocketAddress("192.168.255.255", 8080), timeoutMillis);
        } catch (SocketTimeoutException e) {
            long duration = TimeUnit.MILLISECONDS.convert(System.nanoTime() - startTime, TimeUnit.NANOSECONDS);
            if (duration >= timeoutMillis) {
                System.out.println("Test passed");
            } else {
                System.out.println("Test FAILED: duration " + duration + " ms, expected >= " + timeoutMillis + " ms");
                System.exit(1);
            }
        } catch (java.net.ConnectException e) {
            throw new SkippedException("Network setup issue, skip this test", e);
        }
    }
}
