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3 changes: 3 additions & 0 deletions sdk-core/src/main/java/io/milvus/v2/client/ConnectConfig.java
Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,9 @@ public class ConnectConfig {
private long idleTimeoutMs = TimeUnit.MILLISECONDS.convert(24, TimeUnit.HOURS);

private SSLContext sslContext;
// clientRequestId maintains a map for different threads, each thread can assign a specific id.
// the specific id is passed to the server, from the access log we can know which client calls the interface
private ThreadLocal<String> clientRequestId;

public String getHost() {
io.milvus.utils.URLParser urlParser = new io.milvus.utils.URLParser(this.uri);
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42 changes: 31 additions & 11 deletions sdk-core/src/main/java/io/milvus/v2/utils/ClientUtils.java
Original file line number Diff line number Diff line change
Expand Up @@ -19,9 +19,7 @@

package io.milvus.v2.utils;

import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.*;
import io.grpc.netty.shaded.io.grpc.netty.GrpcSslContexts;
import io.grpc.netty.shaded.io.grpc.netty.NettyChannelBuilder;
import io.grpc.netty.shaded.io.netty.handler.ssl.ApplicationProtocolConfig;
Expand All @@ -33,11 +31,7 @@
import io.milvus.client.MilvusServiceClient;
import io.milvus.grpc.*;
import io.milvus.v2.client.ConnectConfig;
import io.grpc.HttpConnectProxiedSocketAddress;
import io.grpc.ProxiedSocketAddress;
import io.grpc.ProxyDetector;
import org.apache.commons.lang3.StringUtils;
import org.jetbrains.annotations.NotNull;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

Expand All @@ -47,7 +41,9 @@
import java.net.UnknownHostException;
import java.nio.charset.StandardCharsets;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Base64;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
Expand All @@ -66,6 +62,30 @@ public ManagedChannel getChannel(ConnectConfig connectConfig){
metadata.put(Metadata.Key.of("dbname", Metadata.ASCII_STRING_MARSHALLER), connectConfig.getDbName());
}

List<ClientInterceptor> clientInterceptors = new ArrayList<>();
clientInterceptors.add(MetadataUtils.newAttachHeadersInterceptor(metadata));
//client interceptor used to fetch client_request_id from threadlocal variable and set it for every grpc request
clientInterceptors.add(new ClientInterceptor() {
@Override
public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall(MethodDescriptor<ReqT, RespT> method, CallOptions callOptions, Channel next) {
return new ForwardingClientCall
.SimpleForwardingClientCall<ReqT, RespT>(next.newCall(method, callOptions)) {
@Override
public void start(ClientCall.Listener<RespT> responseListener, Metadata headers) {
String currentMs = String.valueOf(System.currentTimeMillis());
headers.put(Metadata.Key.of("client-request-unixmsec", Metadata.ASCII_STRING_MARSHALLER), currentMs);
if(connectConfig.getClientRequestId() != null) {
String clientID = connectConfig.getClientRequestId().get();
if (!StringUtils.isEmpty(clientID)) {
headers.put(Metadata.Key.of("client_request_id", Metadata.ASCII_STRING_MARSHALLER), clientID);
}
}
super.start(responseListener, headers);
}
};
}
});

try {
if (connectConfig.getSslContext() != null) {
// sslContext from connect config
Expand All @@ -77,7 +97,7 @@ public ManagedChannel getChannel(ConnectConfig connectConfig){
.keepAliveTimeout(connectConfig.getKeepAliveTimeoutMs(), TimeUnit.MILLISECONDS)
.keepAliveWithoutCalls(connectConfig.isKeepAliveWithoutCalls())
.idleTimeout(connectConfig.getIdleTimeoutMs(), TimeUnit.MILLISECONDS)
.intercept(MetadataUtils.newAttachHeadersInterceptor(metadata));
.intercept(clientInterceptors);

if (StringUtils.isNotEmpty(connectConfig.getProxyAddress())) {
configureProxy(builder, connectConfig.getProxyAddress());
Expand All @@ -104,7 +124,7 @@ public ManagedChannel getChannel(ConnectConfig connectConfig){
.keepAliveTimeout(connectConfig.getKeepAliveTimeoutMs(), TimeUnit.MILLISECONDS)
.keepAliveWithoutCalls(connectConfig.isKeepAliveWithoutCalls())
.idleTimeout(connectConfig.getIdleTimeoutMs(), TimeUnit.MILLISECONDS)
.intercept(MetadataUtils.newAttachHeadersInterceptor(metadata));
.intercept(clientInterceptors);

if (StringUtils.isNotEmpty(connectConfig.getProxyAddress())) {
configureProxy(builder, connectConfig.getProxyAddress());
Expand All @@ -130,7 +150,7 @@ public ManagedChannel getChannel(ConnectConfig connectConfig){
.keepAliveTimeout(connectConfig.getKeepAliveTimeoutMs(), TimeUnit.MILLISECONDS)
.keepAliveWithoutCalls(connectConfig.isKeepAliveWithoutCalls())
.idleTimeout(connectConfig.getIdleTimeoutMs(), TimeUnit.MILLISECONDS)
.intercept(MetadataUtils.newAttachHeadersInterceptor(metadata));
.intercept(clientInterceptors);

if (StringUtils.isNotEmpty(connectConfig.getProxyAddress())) {
configureProxy(builder, connectConfig.getProxyAddress());
Expand All @@ -152,7 +172,7 @@ public ManagedChannel getChannel(ConnectConfig connectConfig){
.keepAliveTimeout(connectConfig.getKeepAliveTimeoutMs(), TimeUnit.MILLISECONDS)
.keepAliveWithoutCalls(connectConfig.isKeepAliveWithoutCalls())
.idleTimeout(connectConfig.getIdleTimeoutMs(), TimeUnit.MILLISECONDS)
.intercept(MetadataUtils.newAttachHeadersInterceptor(metadata));
.intercept(clientInterceptors);
if (StringUtils.isNotEmpty(connectConfig.getProxyAddress())) {
configureProxy(builder, connectConfig.getProxyAddress());
}
Expand Down
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