#include <ESP8266WiFi.h>
#include <WiFiUdp.h>

WiFiUDP graphitesock;

#define CARBON_HOST "carbon.hostedgraphite.com"
#define CARBON_PORT 2003
#define PREFIX "your-hosted-graphite-api-key-here"

// Place this inside 'main'
//    graphitesock.begin(random(40000, 60000));

bool graphiteudp(char *host, int port, char *format, ...)
{
    char *buf = (char *) malloc(MAX_PACKET_SIZE);
    va_list args;
    va_start(args, format);
    vsnprintf(buf, MAX_PACKET_SIZE, format, args);
    va_end(args);

    graphitesock.beginPacket(host, port);
    graphitesock.write(buf);
    int retval = graphitesock.endPacket();

    free(buf);
    return retval == 1;
}