emqx4.3/apps/emqx_exhook

emqx_exhook

The emqx_exhook extremly enhance the extensibility for EMQX. It allow using an others programming language to mount the hooks intead of erlang.

Feature

• Based on gRPC, it brings a very wide range of applicability
• Allows you to use the return value to extend emqx behavior.

Architecture

EMQX                                      Third-party Runtime
+========================+                 +========+==========+
|    ExHook              |                 |        |          |
|   +----------------+   |      gRPC       | gRPC   |  User's  |
|   |   gPRC Client  | ------------------> | Server |  Codes   |
|   +----------------+   |    (HTTP/2)     |        |          |
|                        |                 |        |          |
+========================+                 +========+==========+

Usage

gRPC service

See: priv/protos/exhook.proto

CLI

Example

Recommended gRPC Framework

See: https://github.com/grpc-ecosystem/awesome-grpc

Thanks

• grpcbox