CDE

Task/Distributed-programming/Go/distributed-programming-1.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+    "errors"
+    "log"
+    "net"
+    "net/http"
+    "net/rpc"
+)
+
+type TaxComputer float64
+
+func (taxRate TaxComputer) Tax(x float64, r *float64) error {
+    if x < 0 {
+        return errors.New("Negative values not allowed")
+    }
+    *r = x * float64(taxRate)
+    return nil
+}
+
+func main() {
+    c := TaxComputer(.05)
+    rpc.Register(c)
+    rpc.HandleHTTP()
+    listener, err := net.Listen("tcp", ":1234")
+    if err != nil {
+        log.Fatal(err)
+    }
+    http.Serve(listener, nil)
+}

Task/Distributed-programming/Go/distributed-programming-2.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+    "fmt"
+    "log"
+    "net/rpc"
+)
+
+func main() {
+    client, err := rpc.DialHTTP("tcp", "localhost:1234")
+    if err != nil {
+        fmt.Println(err)
+        return
+    }
+
+    amount := 3.
+    var tax float64
+    err = client.Call("TaxComputer.Tax", amount, &tax)
+    if err != nil {
+        log.Fatal(err)
+    }
+    fmt.Printf("Tax on %.2f: %.2f\n", amount, tax)
+}