Swift Google protoc SSL GrpcServicesClient TodoWorld Example

main.swift

import Foundation
import GRPC
import NIO
import NIOSSL

do {

    let configuration = ClientConnection.Configuration(
        target: .hostAndPort("todoworld.servicestack.net", 50051),
        eventLoopGroup: MultiThreadedEventLoopGroup(numberOfThreads: 1),
        tls: .init(certificateChain: try NIOSSLCertificate.fromPEMFile("grpc.crt").map { .certificate($0) }, 
                   certificateVerification: .none) //TODO enable SSL verification
    )

    let client = GrpcServicesServiceClient(connection: ClientConnection(configuration: configuration))

    var request = Hello()
    request.name = "gRPC Swift"
    let response = try client.getHello(request).response.wait().result
    print(response)

} catch {
    print("ERROR\n\(error)")
}