Draft: Resolve "Create interfaces for internal data structure"

Closes #60 (closed)

nucleus/sbi-general.go

@@ -6,11 +6,12 @@ import (
 	"plugin"
 )
 
-type SBIGreeter interface {
-	SBIHello()
+type SBIInterface interface {
+	Hello() string
+	AddClient()
 }
 
-func SBILoader () {
+func SBILoader () error {
 	modPath := "/Users/mls/go/src/code.fbi.h-da.de/cocsn/byowsbi/byowsbi.o"
 
 	// open the so file that contains the SBI-plugin as step before loading the symbols
@@ -21,21 +22,23 @@ func SBILoader () {
 	}
 
 	// loading the symbols
-	sbiModule, err := plug.Lookup("SBIGreeter")
+	sbiModule, err := plug.Lookup("SBIInterface")
 	if err != nil {
 		fmt.Println(err)
 		os.Exit(1)
 	}
 
 	// Assert the loaded symbol
-	var sbigreeter SBIGreeter
-	sbigreeter, ok := sbiModule.(SBIGreeter)
+	var sbi SBIInterface
+	sbi, ok := sbiModule.(SBIInterface)
 	if !ok {
 		fmt.Println("unexpected type from module symbol")
+		fmt.Println(ok)
 		os.Exit(1)
 	}
 
 	// use me!
-	sbigreeter.SBIHello()
+	fmt.Print(sbi.Hello())
+	sbi.AddClient()
 }