Subversion Repositories planix.SVN

#include "headers.h"

static char *hmsg = "headers";

int nbudphdrsize;

char *
nbudpannounce(ushort port, int *fdp)
{
        int data, ctl;
        char dir[64], datafile[64+6], addr[NETPATHLEN];

        snprint(addr, sizeof(addr), "udp!*!%d", port);
        /* get a udp port */
        ctl = announce(addr, dir);
        if(ctl < 0)
                return "can't announce on port";
        snprint(datafile, sizeof(datafile), "%s/data", dir);

        /* turn on header style interface */
        nbudphdrsize = Udphdrsize;
        if (write(ctl, hmsg, strlen(hmsg)) != strlen(hmsg))
                return "failed to turn on headers";
        data = open(datafile, ORDWR);
        if (data < 0) {
                close(ctl);
                return "failed to open data file";
        }
        close(ctl);
        *fdp = data;
        return nil;
}