syntax = "proto3";
package pb;
// The Add service definition.
service Add {
// Sums two integers.
rpc Sum (SumRequest) returns (SumReply) {}
// Concatenates two strings
rpc Concat (ConcatRequest) returns (ConcatReply) {}
}
// The sum request contains two parameters.
message SumRequest {
int64 a = 1;
int64 b = 2;
}
// The sum response contains the result of the calculation.
message SumReply {
int64 v = 1;
string err = 2;
}
// The Concat request contains two parameters.
message ConcatRequest {
string a = 1;
string b = 2;
}
// The Concat response contains the result of the concatenation.
message ConcatReply {
string v = 1;
string err = 2;
}