Parallel Request Controller

Simple backend component to control parallel requests.

The main use case for this component is to impose limits on parallel requests when using multiple web servers for horizontal scaling.

Compilation

In order to compile the project, navigate to the server folder and run the Golang compiler:

go build .

The build command will create a binary in the current directory, called server, or server.exe if you are using Windows.

Docker Image

You can find the docker image for this project available in Docker Hub: https://hub.docker.com/r/asanrom/parallel-request-controller

To pull it type:

docker pull asanrom/parallel-request-controller

Server configuration

You can configure the server using environment variables. You can set up a .env file in the current working directory in order to set them in an easy way.

Here is a list with all the available configuration variables for the server.

General

Variable	Description
PORT	The listening port for the server. By default: 8080
BIND_ADDRESS	Bind address for the server. By default it binds to all network interfaces.
AUTH_TOKEN	Authentication token the clients must send in order to connect to the server.

TLS

Variable	Description
TLS_ENABLED	Can be YES or NO. If YES, TLS will be enabled for the server, and client must connect with the wss: protocol.
TLS_CERTIFICATE	Path to the certificate file to load (PEM format).
TLS_PRIVATE_KEY	Path to the private key file to load (PEM format).

Logs

Variable	Description
LOG_INFO	Can be YES or NO. If YES, it will log information messages to the standard output. Default: YES
LOG_DEBUG	Bind address for the server. By default it binds to all network interfaces.

Clients

• Go client
• Javascript client

Documentation

• Protocol

License

This project is under the MIT License.