Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <auth.h>
#include <fcall.h>
#include "../boot/boot.h"

static Fcall    hdr;

static void
rpc(int fd, int type)
{
        int n, l;
        char buf[128], *p;

        hdr.type = type;
        hdr.tag = NOTAG;
        n = convS2M(&hdr, buf);
        if(write(fd, buf, n) != n)
                fatal("write rpc");

        print("...");
        p = buf;
        l = 0;
        while(l < 3) {
                n = read(fd, p, 3);
                if(n <= 0)
                        fatal("read rpc");
                if(n == 2 && l == 0 && buf[0] == 'O' && buf[1] == 'K')
                        continue;
                p += n;
                l += n;
        }
        if(convM2S(buf, &hdr, n) == 0){
                print("%ux %ux %ux\n", buf[0], buf[1], buf[2]);
                fatal("rpc format");
        }
        if(hdr.tag != NOTAG)
                fatal("rpc tag not NOTAG");
        if(hdr.type == Rerror){
                print("error %s;", hdr.ename);
                fatal("remote error");
        }
        if(hdr.type != type+1)
                fatal("not reply");
}

void
nop(int fd)
{
        print("nop");
        rpc(fd, Tnop);
}