Passenger gRPC Scala and Swift Example

This example implements a Swift client and Scala server with gRPC and Akka Streams.

Repository Structure

• Proto definition: api/proto/passenger.proto
• Generated gRPC objects Scala: api/scala
• Generated gRPC objects Swift: api/swift
• Scala Server: server/
• Swift Client: client/

Endpoints

The endpoint definition is part of the passenger.proto file. The following endpoints are implemented:

• TripBook (request-response): Client sends a booking request at which the server response with a successfull booking response
• TrackVehicle (server-push): After client is sending an initial request, the server responds every second with the current vehicle location
• Echo (bi-directional-streaming): Once the client has send a ping message, the server response with a pong message. This can occur several time over one TCP channel.

License

This code is open source software licensed under the Apache 2.0 license.