fix(build): Allow creating multiple services in the same package (#173)

BREAKING CHANGE: Build will now generate each service client and server into their own modules.

tonic-interop/src/client.rs

@@ -1,4 +1,7 @@
-use crate::{pb::client::*, pb::*, test_assert, TestAssertion};
+use crate::{
+    pb::testservice_client::*, pb::unimplementedservice_client::*, pb::*, test_assert,
+    TestAssertion,
+};
 use futures_util::{future, stream, StreamExt};
 use tokio::sync::mpsc;
 use tonic::transport::Channel;

tonic-interop/src/server.rs

@@ -5,7 +5,8 @@ use std::pin::Pin;
 use std::time::Duration;
 use tonic::{Code, Request, Response, Status};
 
-pub use pb::server::{TestServiceServer, UnimplementedServiceServer};
+pub use pb::testservice_server::TestServiceServer;
+pub use pb::unimplementedservice_server::UnimplementedServiceServer;
 
 #[derive(Default, Clone)]
 pub struct TestService;
@@ -17,7 +18,7 @@ type Stream<T> = Pin<
 >;
 
 #[tonic::async_trait]
-impl pb::server::TestService for TestService {
+impl pb::testservice_server::TestService for TestService {
     async fn empty_call(&self, _request: Request<Empty>) -> Result<Empty> {
         Ok(Response::new(Empty {}))
     }
@@ -153,7 +154,7 @@ impl pb::server::TestService for TestService {
 pub struct UnimplementedService;
 
 #[tonic::async_trait]
-impl pb::server::UnimplementedService for UnimplementedService {
+impl pb::unimplementedservice_server::UnimplementedService for UnimplementedService {
     async fn unimplemented_call(&self, _req: Request<Empty>) -> Result<Empty> {
         Err(Status::unimplemented(""))
     }