43 lines
740 B
Go
43 lines
740 B
Go
package main
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import (
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"context"
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"errors"
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"net/http"
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httpRPC "github.com/neonxp/jsonrpc2/http"
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"github.com/neonxp/jsonrpc2/rpc"
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)
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func main() {
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s := httpRPC.New()
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s.Register("multiply", rpc.Wrap(Multiply))
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s.Register("divide", rpc.Wrap(Divide))
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http.ListenAndServe(":8000", s)
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}
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func Multiply(ctx context.Context, args *Args) (int, error) {
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return args.A * args.B, nil
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}
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func Divide(ctx context.Context, args *Args) (*Quotient, error) {
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if args.B == 0 {
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return nil, errors.New("divide by zero")
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}
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quo := new(Quotient)
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quo.Quo = args.A / args.B
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quo.Rem = args.A % args.B
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return quo, nil
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}
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type Args struct {
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A int `json:"a"`
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B int `json:"b"`
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}
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type Quotient struct {
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Quo int `json:"quo"`
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Rem int `json:"rem"`
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}
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