void
threadmain(int argc, char **argv)
{
int i;
Path *p;
fmtinstall('H', encodefmt);
fmtinstall('P', pathfmt);
fmtinstall('R', rpcfmt);
fmtinstall('$', statfmt);
fmtinstall('V', vtimefmt);
ARGBEGIN{
case 'D':
debug |= dbglevel(EARGF(usage()));
break;
case 'V':
traversion();
default:
usage();
}ARGEND
if(argc < 1)
usage();
startclient();
repl = dialreplica(argv[0]);
argc--;
argv++;
fprint(2, "scan...");
if(argc == 0){
fprint(2, "%P...", nil);
if(rpcstat(repl, nil) == nil)
sysfatal("rpcstat: %s", rpcerror());
}else{
for(i=0; i<argc; i++){
p = strtopath(argv[i]);
fprint(2, "%P...", p);
if(rpcstat(repl, p) == nil)
sysfatal("rpcstat: %s", rpcerror());
}
}
fprint(2, "hangup...");
rpchangup(repl);
fprint(2, "close...");
replclose(repl);
fprint(2, "exit\n");
threadexitsall(nil);
}
void
chord::dispatch (ptr<asrv> s, svccb *sbp)
{
if (!sbp) {
s->setcb (NULL);
return;
}
(*nrcv)++;
dorpc_arg *arg = sbp->Xtmpl getarg<dorpc_arg> ();
switch (sbp->proc ()) {
case TRANSPORTPROC_NULL:
sbp->reply (NULL);
break;
case TRANSPORTPROC_DORPC:
{
chordID v = make_chordID (arg->dest);
vnode *vnodep = vnodes[v];
if (!vnodep) {
trace << "unknown vnode " << v << " for procedure "
<< sbp->proc ()
<< " (" << arg->progno << "." << arg->procno << ").\n";
sbp->replyref (rpcstat (DORPC_UNKNOWNNODE));
return;
}
//find the program
const rpc_program *prog = get_program (arg->progno);
if (!prog) {
sbp->replyref (rpcstat (DORPC_NOHANDLER));
return;
}
//unmarshall the args
char *arg_base = (char *)(arg->args.base ());
int arg_len = arg->args.size ();
xdrmem x (arg_base, arg_len, XDR_DECODE);
xdrproc_t proc = prog->tbl[arg->procno].xdr_arg;
assert (proc);
void *unmarshalled_args = prog->tbl[arg->procno].alloc_arg ();
if (!proc (x.xdrp (), unmarshalled_args)) {
warn << "dispatch: error unmarshalling arguments: "
<< arg->progno << "." << arg->procno
<< " from " << v <<"\n";
xdr_delete (prog->tbl[arg->procno].xdr_arg, unmarshalled_args);
sbp->replyref (rpcstat (DORPC_MARSHALLERR));
return;
}
//call the handler
user_args *ua = New user_args (sbp, unmarshalled_args,
prog, arg->procno, arg->send_time);
vnodep->fill_user_args (ua);
if (!vnodep->progHandled (arg->progno)) {
trace << "dispatch to vnode " << v << " doesn't handle "
<< arg->progno << "." << arg->procno << "\n";
ua->replyref (chordstat (CHORD_NOHANDLER));
} else {
cbdispatch_t dispatch = vnodep->getHandler(arg->progno);
(dispatch)(ua);
}
}
break;
default:
warn << "Transport procedure " << sbp->proc () << " not handled\n";
}
}
