Created
January 26, 2018 18:16
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| package main | |
| import ( | |
| "log" | |
| "net/rpc" | |
| "github.com/techwo/rpc-server/service" | |
| ) | |
| // Calculator stands for the RPC client implementation. | |
| type Calculator struct { | |
| Client *rpc.Client | |
| } | |
| func main() { | |
| // Connecting to the server | |
| client, err := rpc.DialHTTP("tcp", "127.0.0.1:8767") | |
| if err != nil { | |
| log.Fatal("Dialing:", err) | |
| } | |
| c := &Calculator{Client: client} | |
| result, err := c.addition(5.6, 3.1) | |
| if err != nil { | |
| log.Println("Addition error: " + err.Error()) | |
| } else { | |
| log.Printf("Addition result: %f", result) | |
| } | |
| result, err = c.subtraction(7.8, 11) | |
| if err != nil { | |
| log.Println("Subtraction error: " + err.Error()) | |
| } else { | |
| log.Printf("Subtraction result: %f", result) | |
| } | |
| } | |
| // addition calls the Addition remote method from the calculator service. | |
| func (c *Calculator) addition(a, b float64) (float64, error) { | |
| args := service.Request{A: a, B: b} | |
| var response service.Response | |
| err := c.Client.Call("Calculator.Addition", args, &response) | |
| return response.Result, err | |
| } | |
| // subtraction calls the Subtraction remote method from the calculator service. | |
| func (c *Calculator) subtraction(a, b float64) (float64, error) { | |
| args := service.Request{A: a, B: b} | |
| var response service.Response | |
| err := c.Client.Call("Calculator.Subtraction", args, &response) | |
| return response.Result, err | |
| } |
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