package xmpp

// Code to generate unique IDs for outgoing messages.

import (

	"fmt"

)

var id <-chan string

func init() {

	// Start the unique id generator.

	idCh := make(chan string)

	id = idCh

	go func(ch chan<- string) {

		id := int64(1)

		for {

			str := fmt.Sprintf("id_%d", id)

			ch <- str

			id++

		}

	}(idCh)

}

// This function may be used as a convenient way to generate a unique

// id for an outgoing iq, message, or presence stanza.

func NextId() string {

	return <-id

}