Add message ID and token flags

Author: dborovcanin

README.md

@@ -6,14 +6,15 @@ Simple CoAP cli client written in Go.
 When running, please provide following format:
 `go run` or, if compiled, `./binary_name` followed by method code (`get`, `put`, `post`, `delete`) and CoAP URL. After that, you can pass following flags:
 
-| Flag | Description                    | Default value |
-|------|--------------------------------|---------------|
-| ACK  | Acknowledgement                | false         |
-| C    | Confirmable                    | false         |
-| NC   | Non-Confirmable                | false         |
-| O    | Observe                        | false         |
-| d    | Data to be sent in POST or PUT | ""            |
-
+| Flag  | Description                    | Default value                          |
+|-------|--------------------------------|----------------------------------------|
+| ACK   | Acknowledgement                | false                                  |
+| C     | Confirmable                    | false                                  |
+| NC    | Non-Confirmable                | false                                  |
+| O     | Observe                        | false                                  |
+| d     | Data to be sent in POST or PUT | ""                                     |
+| id    | Message ID                     | 0                                      |
+| token | Token                          | Byte array of empty string: [49 50 51] |
 # Examples:
 
 ```bash

cmd/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"errors"
 	"flag"
+	"fmt"
 	"log"
 	"net/url"
 	"os"
@@ -60,8 +61,8 @@ func checkType(c, n, a, r *bool) (gocoap.COAPType, error) {
 
 func printMsg(m *gocoap.Message) {
 	if m != nil {
-		log.Printf("Type: %d\nCode: %d\nMessageID: %d\nToken: %s\nPayload: %s\n",
-			m.Type, m.Code, m.MessageID, m.Token, m.Payload)
+		log.Printf("Type: %d\nCode: %s\nMessageID: %d\nToken: %s\nPayload: %s\n",
+			m.Type, m.Code.String(), m.MessageID, m.Token, m.Payload)
 	}
 }
 
@@ -84,10 +85,12 @@ func main() {
 	a := flag.Bool("ACK", false, "Acknowledgement")
 	r := flag.Bool("RST", false, "Reset")
 	o := flag.Bool("O", false, "Observe")
-
-	cf := flag.Int("CF", 0, "Content format")
-
+	// Default type is JSON.
+	cf := flag.Int("CF", 50, "Content format")
 	d := flag.String("d", "", "Message data")
+	id := flag.Uint("id", 0, "Message ID")
+	token := flag.String("token", "", "Message data")
+
 	flag.Parse()
 
 	t, err := checkType(c, n, a, r)
@@ -117,7 +120,9 @@ func main() {
 		})
 	}
 
-	res, err := client.Send(t, code, 12, nil, []byte(*d), opts)
+	fmt.Println("sasa", []byte(*token))
+
+	res, err := client.Send(t, code, uint16(*id), []byte(*token), []byte(*d), opts)
 	if err != nil {
 		log.Fatal("ERROR: ", err)
 	}