syntax = "proto3";

option csharp_namespace = "HuaweiWifiSms.Grpc";

package sms;

service SmsSender {
  // Sends a single SMS to a single recipient.
  rpc SendSms (SmsRequest) returns (SmsResponse);
}

message SmsRequest {
  // required
  optional string recipient_phone_number = 1;
  // required
  optional string content = 2;
}

message SmsResponse {
  // required
  optional SmsStatus status = 1;
}

enum SmsStatus {
  Unknown = 0;
  Success = 1;
  Failure = 2;
}