Here is the gRPC Proto file:
// Service exposing Notifications from a Messenger Library Notification Server
// https://www.vipm.io/package/ni_lib_labview_grpc_library/
// https://www.vipm.io/package/drjdpowell_lib_messenging/
// Also uses JSONtext: https://www.vipm.io/package/jdp_science_jsontext/
// James Powell, 2022
syntax = "proto3";
package MessengerLibrary;
// Interface exported by the server.
service Notification {
// Register to get standard Messenger Library Notifications
rpc RegisterByLabels_JSON(RegistrationByLabels) returns (stream Notification_String) {}
rpc RegisterByLabel_JSON(RegistrationByLabel) returns (stream Notification_String) {}
rpc RegisterByLabel_DBL(RegistrationByLabel) returns (stream Notification_DBL) {}
// Messenger Library Request-Reply
rpc RequestReply_DBL(RequestReply_DBL) returns (Notification_DBL) {}
}
// Registration messages
message RegistrationByLabels {
repeated string Labels = 1;
string Prefix = 2; // Optional Prefix to add to Label
}
message RegistrationByLabel {
string Label = 1;
string Relabel = 2; // Optional different label coming back
}
// Notification messages
message Notification_String {
string Label = 1;
string Value_String = 2;
}
message Notification_DBL {
string Label = 1;
double Value_DBL = 2;
}
// Requests (aka Commands)
message RequestReply_DBL {
string Label = 1;
string ReplyLabel = 2; // Optional different label coming back
double RequestData = 3; // Optional Data
}
