hello.proto

syntax = "proto3";

option java_multiple_files = true;
option java_package = "io.grpc.examples.helloworld";
option java_outer_classname = "HelloWorldProto";
option objc_class_prefix = "HLW";

package simple_service;

service SimpleService{
  // Sends a greeting
  rpc SayHello (HelloRequest) returns (HelloReply) {}
  // Sends the area of the rectangle
  rpc CalcArea (stream RequestArea) returns (ReplyArea) {}
  // Sends the stream of bus stops according to the specific bus name
  rpc StopsInfo (BusNameRequest) returns (stream StopNameReply) {}
  // Sends the stream of bus stops according to the specific stream 
  // of the buses from client
  rpc StopsInfoBi (stream BusNameRequestBi) returns (stream StopNameReplyBi) {}
}

// The request message containing the user's name.
message HelloRequest {
  string name = 1;
}

// The response message containing the greetings
message HelloReply {
  string message = 1;
}

//----------------------------------------------------------------------------
//----------------------------------------------------------------------------

// Represents the point's coordinates
message Vector{
  float x = 1;
  float y = 2;
}

// The request message containing the stream of the rectangle's coordinates
message RequestArea{
  Vector pos = 1;
}

message ReplyArea{
  float area = 1;
}

//----------------------------------------------------------------------------
//----------------------------------------------------------------------------

// Represenst the request with bus name to get all stops for this bus
message BusNameRequest{
  string bus_name = 1;
}

message StopNameReply{
  string stop_name = 1;
}

//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
message BusNameRequestBi{
  repeated string arr_bus_names = 1; 
}

message StopNameReplyBi{
  repeated string arr_stop_names = 1;
}