RPC IDL

• Interface Description Languaue file
• Backward and forward compatibility
• Protobuf/Thrift

Sample

You can follow the detailed example below:

• Take pb as an example. First, define an example.proto file with the ServiceName as Example.
• The name of the rpc interface is Echo, with the input parameter as EchoRequest, and the output parameter as EchoResponse.
• EchoRequest consists of two strings: message and name.
• EchoResponse consists of one string: message.

syntax="proto2";
message EchoRequest {
    optional string message = 1;
    optional string name = 2;
};
message EchoResponse {
    optional string message = 1;
};
service Example {
     rpc Echo(EchoRequest) returns (EchoResponse);
};