// ValidateAddPeer is the validation function for AddPeer to invoke the rpc
// server call
func ValidateAddPeer(p *peer.PeerAddRequest) (*services.RPCPeerAddResp, error) {
args := &services.RPCPeerAddReq{Name: new(string), Addresses: p.Addresses}
*args.Name = p.Name
rsp := new(services.RPCPeerAddResp)
//TODO : port 9876 is hardcoded for now, can be made configurable
remoteAddress := fmt.Sprintf("%s:%s", p.Name, "9876")
rpcConn, e := net.Dial("tcp", remoteAddress)
if e != nil {
log.WithField("error", e).Error("net.Dial() call failed")
opRet = -1
opError = e.Error()
rsp.OpRet = &opRet
rsp.OpError = &opError
return rsp, e
}
client := rpc.NewClientWithCodec(pbcodec.NewClientCodec(rpcConn))
defer client.Close()
e = client.Call("PeerService.ValidateAdd", args, rsp)
if e != nil {
log.Error("Failed to execute PeerService.Validate() rpc call")
opRet = -1
opError = e.Error()
rsp.OpRet = &opRet
rsp.OpError = &opError
return rsp, e
}
return rsp, nil
}
func main() {
args := &calc.CalcReq{Op: new(int32), A: new(int32), B: new(int32)}
*args.Op = 100
*args.A = 100
*args.B = 3
rsp := new(calc.CalcRsp)
c, e := net.Dial("tcp", "localhost:9876")
if e != nil {
panic(e)
}
client := rpc.NewClientWithCodec(pbcodec.NewClientCodec(c))
e = client.Call("Calculator.Calculate", args, rsp)
if e == nil {
log.Println("Result: ", *rsp.Ret)
} else {
log.Print("error calling Calculate ", e)
}
client.Close()
}