Defining an Interface Definition Language File

Let’s learn how to define an interface definition language file.

We'll cover the following

The gRPC service that we are developing is going to support the following functionality:

  • The server should return its date and time to the client.

  • The server should return a randomly generated password of a given length to the client.

  • The server should return random integers to the client.

Before we begin developing the gRPC client and server for our service, we need to define the IDL file. We need a separate GitHub repository to host the files related to the IDL file, which is going to be https://github.com/Educative-Content/protoapi.

The structure of the IDL file

Next, we are going to present the IDL file, which is called protoapi.proto:

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