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Increase the probability for requests to Docker daemon to be executed consequently #1491

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tejksat wants to merge 1 commit into from
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Increase the probability for requests to Docker daemon to be executed consequently #1491

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12 changes: 12 additions & 0 deletions docker-java-core/src/main/java/com/github/dockerjava/core/DefaultInvocationBuilder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.Objects;
import java.util.concurrent.CountDownLatch;
import java.util.function.Consumer;

class DefaultInvocationBuilder implements InvocationBuilder {
Expand Down Expand Up @@ -264,7 +265,11 @@ protected <T> void executeAndStream(
ResultCallback<T> callback,
Consumer<DockerHttpClient.Response> sourceConsumer
) {
CountDownLatch threadStarted = new CountDownLatch(1);

Thread thread = new Thread(() -> {
threadStarted.countDown();

Thread streamingThread = Thread.currentThread();
try (DockerHttpClient.Response response = execute(request)) {
callback.onStart(() -> {
Expand All @@ -281,6 +286,13 @@ protected <T> void executeAndStream(
thread.setDaemon(true);

thread.start();

try {
// wait while the thread is actually started to let the request a better chances to be executed prior to a next request
threadStarted.await();
} catch (InterruptedException ignored) {
Thread.currentThread().interrupt();
}
}

private InputStream encode(Object entity) {
Expand Down