cbornet commented on a change in pull request #3032: Add gRPC proxy
URL: https://github.com/apache/pulsar/pull/3032#discussion_r235540990
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File path: pulsar-grpc/src/main/java/org/apache/pulsar/grpc/TestClient.java
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@@ -0,0 +1,72 @@
+package org.apache.pulsar.grpc;
+
+import com.google.protobuf.ByteString;
+import io.grpc.ManagedChannel;
+import io.grpc.ManagedChannelBuilder;
+import io.grpc.Metadata;
+import io.grpc.stub.MetadataUtils;
+import io.grpc.stub.StreamObserver;
+import org.apache.pulsar.grpc.proto.ConsumerAck;
+import org.apache.pulsar.grpc.proto.ConsumerMessage;
+import org.apache.pulsar.grpc.proto.PulsarGrpc;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.LinkedBlockingQueue;
+
+import static io.grpc.Metadata.ASCII_STRING_MARSHALLER;
+
+public class TestClient {
+
+ public static void main(String[] args) throws Exception {
+ ManagedChannel channel = ManagedChannelBuilder.forAddress("localhost",
50051)
+ .usePlaintext()
+ .build();
+
+ Metadata headers = new Metadata();
+ headers.put(Metadata.Key.of("pulsar-topic", ASCII_STRING_MARSHALLER),
"persistent://public/default/my-topic12");
+ headers.put(Metadata.Key.of("pulsar-subscription",
ASCII_STRING_MARSHALLER), "my-subscription");
+ headers.put(Metadata.Key.of("pulsar-subscription-type",
ASCII_STRING_MARSHALLER), "Shared");
+ headers.put(Metadata.Key.of("pulsar-max-redeliver-count",
ASCII_STRING_MARSHALLER), "3");
+ headers.put(Metadata.Key.of("pulsar-ack-timeout-millis",
ASCII_STRING_MARSHALLER), "2000");
+ headers.put(Metadata.Key.of("pulsar-consumer-name",
ASCII_STRING_MARSHALLER), "test");
+
+ PulsarGrpc.PulsarStub asyncStub =
MetadataUtils.attachHeaders(PulsarGrpc.newStub(channel), headers);
Review comment:
Yes that's attached to every request done from this stub. In this test code
(that I will remove eventually. or move elsewhere), I only do one request so
it's no big deal. Note that only one request is done, and then the data is
passed as streams. A bit like websockets.
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