Update to librdkafka 2.2.0 (#1033)

Author: GaryWilber

README.md

@@ -17,7 +17,7 @@ I am looking for *your* help to make this project even better! If you're interes
 
 The `node-rdkafka` library is a high-performance NodeJS client for [Apache Kafka](http://kafka.apache.org/) that wraps the native  [librdkafka](https://github.com/edenhill/librdkafka) library.  All the complexity of balancing writes across partitions and managing (possibly ever-changing) brokers should be encapsulated in the library.
 
-__This library currently uses `librdkafka` version `2.1.1`.__
+__This library currently uses `librdkafka` version `2.2.0`.__
 
 ## Reference Docs
 
@@ -60,7 +60,7 @@ Using Alpine Linux? Check out the [docs](https://github.com/Blizzard/node-rdkafk
 
 ### Windows
 
-Windows build **is not** compiled from `librdkafka` source but it is rather linked against the appropriate version of [NuGet librdkafka.redist](https://www.nuget.org/packages/librdkafka.redist/) static binary that gets downloaded from `https://globalcdn.nuget.org/packages/librdkafka.redist.2.1.1.nupkg` during installation. This download link can be changed using the environment variable `NODE_RDKAFKA_NUGET_BASE_URL` that defaults to `https://globalcdn.nuget.org/packages/` when it's no set.
+Windows build **is not** compiled from `librdkafka` source but it is rather linked against the appropriate version of [NuGet librdkafka.redist](https://www.nuget.org/packages/librdkafka.redist/) static binary that gets downloaded from `https://globalcdn.nuget.org/packages/librdkafka.redist.2.2.0.nupkg` during installation. This download link can be changed using the environment variable `NODE_RDKAFKA_NUGET_BASE_URL` that defaults to `https://globalcdn.nuget.org/packages/` when it's no set.
 
 Requirements:
  * [node-gyp for Windows](https://github.com/nodejs/node-gyp#on-windows)
@@ -97,7 +97,7 @@ const Kafka = require('node-rdkafka');
 
 ## Configuration
 
-You can pass many configuration options to `librdkafka`.  A full list can be found in `librdkafka`'s [Configuration.md](https://github.com/edenhill/librdkafka/blob/v2.1.1/CONFIGURATION.md)
+You can pass many configuration options to `librdkafka`.  A full list can be found in `librdkafka`'s [Configuration.md](https://github.com/edenhill/librdkafka/blob/v2.2.0/CONFIGURATION.md)
 
 Configuration keys that have the suffix `_cb` are designated as callbacks. Some
 of these keys are informational and you can choose to opt-in (for example, `dr_cb`). Others are callbacks designed to
@@ -132,7 +132,7 @@ You can also get the version of `librdkafka`
 const Kafka = require('node-rdkafka');
 console.log(Kafka.librdkafkaVersion);
 
-// #=> 2.1.1
+// #=> 2.2.0
 ```
 
 ## Sending Messages
@@ -145,7 +145,7 @@ const producer = new Kafka.Producer({
 });
 ```
 
-A `Producer` requires only `metadata.broker.list` (the Kafka brokers) to be created.  The values in this list are separated by commas.  For other configuration options, see the [Configuration.md](https://github.com/edenhill/librdkafka/blob/v2.1.1/CONFIGURATION.md) file described previously.
+A `Producer` requires only `metadata.broker.list` (the Kafka brokers) to be created.  The values in this list are separated by commas.  For other configuration options, see the [Configuration.md](https://github.com/edenhill/librdkafka/blob/v2.2.0/CONFIGURATION.md) file described previously.
 
 The following example illustrates a list with several `librdkafka` options set.
 

config.d.ts

@@ -1,4 +1,4 @@
-// ====== Generated from librdkafka 2.1.1 file CONFIGURATION.md ======
+// ====== Generated from librdkafka 2.2.0 file CONFIGURATION.md ======
 // Code that generated this is a derivative work of the code from Nam Nguyen
 // https://gist.github.com/ntgn81/066c2c8ec5b4238f85d1e9168a04e3fb
 
@@ -619,6 +619,13 @@ export interface GlobalConfig {
      */
     "client.rack"?: string;
 
+    /**
+     * Controls how the client uses DNS lookups. By default, when the lookup returns multiple IP addresses for a hostname, they will all be attempted for connection before the connection is considered failed. This applies to both bootstrap and advertised servers. If the value is set to `resolve_canonical_bootstrap_servers_only`, each entry will be resolved and expanded into a list of canonical names. NOTE: Default here is different from the Java client's default behavior, which connects only to the first IP address returned for a hostname.
+     *
+     * @default use_all_dns_ips
+     */
+    "client.dns.lookup"?: 'use_all_dns_ips' | 'resolve_canonical_bootstrap_servers_only';
+
     /**
      * Enables or disables `event.*` emitting.
      *
@@ -858,6 +865,13 @@ export interface ConsumerGlobalConfig extends GlobalConfig {
      */
     "fetch.wait.max.ms"?: number;
 
+    /**
+     * How long to postpone the next fetch request for a topic+partition in case the current fetch queue thresholds (queued.min.messages or queued.max.messages.kbytes) have been exceded. This property may need to be decreased if the queue thresholds are set low and the application is experiencing long (~1s) delays between messages. Low values may increase CPU utilization.
+     *
+     * @default 1000
+     */
+    "fetch.queue.backoff.ms"?: number;
+
     /**
      * Initial maximum number of bytes per topic+partition to request when fetching messages from the broker. If the client encounters a message larger than this value it will gradually try to increase it until the entire message can be fetched.
      *

deps/librdkafka

@@ -1,4 +1,4 @@
-// ====== Generated from librdkafka 2.1.1 file src-cpp/rdkafkacpp.h ======
+// ====== Generated from librdkafka 2.2.0 file src-cpp/rdkafkacpp.h ======
 export const CODES: { ERRORS: {
   /* Internal errors to rdkafka: */
   /** Begin internal error codes (**-200**) */

errors.d.ts

@@ -27,7 +27,7 @@ LibrdKafkaError.wrap = errorWrap;
  * @enum {number}
  * @constant
  */
-// ====== Generated from librdkafka 2.1.1 file src-cpp/rdkafkacpp.h ======
+// ====== Generated from librdkafka 2.2.0 file src-cpp/rdkafkacpp.h ======
 LibrdKafkaError.codes = {
 
   /* Internal errors to rdkafka: */

lib/error.js

@@ -1,8 +1,8 @@
 {
   "name": "node-rdkafka",
-  "version": "v2.16.1",
+  "version": "v2.17.0",
   "description": "Node.js bindings for librdkafka",
-  "librdkafka": "2.1.1",
+  "librdkafka": "2.2.0",
   "main": "lib/index.js",
   "scripts": {
     "configure": "node-gyp configure",
@@ -45,4 +45,4 @@
   "engines": {
     "node": ">=6.0.0"
   }
-}
+}

package-lock.json

@@ -15,21 +15,8 @@ using NodeKafka::KafkaConsumer;
 using NodeKafka::AdminClient;
 using NodeKafka::Topic;
 
-using node::AtExit;
 using RdKafka::ErrorCode;
 
-static void RdKafkaCleanup(void*) {  // NOLINT
-  /*
-   * Wait for RdKafka to decommission.
-   * This is not strictly needed but
-   * allows RdKafka to clean up all its resources before the application
-   * exits so that memory profilers such as valgrind wont complain about
-   * memory leaks.
-   */
-
-  RdKafka::wait_destroyed(5000);
-}
-
 NAN_METHOD(NodeRdKafkaErr2Str) {
   int points = Nan::To<int>(info[0]).FromJust();
   // Cast to error code
@@ -74,13 +61,6 @@ void ConstantsInit(v8::Local<v8::Object> exports) {
 }
 
 void Init(v8::Local<v8::Object> exports, v8::Local<v8::Value> m_, void* v_) {
-#if NODE_MAJOR_VERSION <= 9 || (NODE_MAJOR_VERSION == 10 && NODE_MINOR_VERSION <= 15)
-  AtExit(RdKafkaCleanup);
-#else
-  v8::Local<v8::Context> context = Nan::GetCurrentContext();
-  node::Environment* env = node::GetCurrentEnvironment(context);
-  AtExit(env, RdKafkaCleanup, NULL);
-#endif
   KafkaConsumer::Init(exports);
   Producer::Init(exports);
   AdminClient::Init(exports);