Npsrv*
np_srv_create(int nwthread, int flags)
{
Npsrv *srv = NULL;
np_uerror (0);
if (!(srv = malloc(sizeof(*srv)))) {
np_uerror (ENOMEM);
goto error;
}
memset (srv, 0, sizeof (*srv));
pthread_mutex_init(&srv->lock, NULL);
pthread_cond_init(&srv->conncountcond, NULL);
srv->msize = 8216;
srv->flags = flags;
srv->netroot = np_net_make_root();
if (srv->netroot == 0)
goto error;
if (np_usercache_create (srv) < 0)
goto error;
srv->nwthread = nwthread;
if (!(srv->tpool = np_tpool_create (srv, "default")))
goto error;
np_tpool_incref (srv->tpool);
np_assert_srv = srv;
return srv;
error:
if (srv)
np_srv_destroy (srv);
return NULL;
}
void
np_tpool_select (Npreq *req)
{
Npsrv *srv = req->conn->srv;
Nptpool *tp;
if ((srv->flags & SRV_FLAGS_TPOOL_SINGLE))
return;
if (!req->fid || !req->fid->aname || *req->fid->aname != '/')
return;
if (req->fid->tpool)
return;
xpthread_mutex_lock (&srv->lock);
for (tp = srv->tpool; tp != NULL; tp = tp->next) {
if (!strcmp (req->fid->aname, tp->name))
break;
}
if (!tp) {
tp = np_tpool_create(srv, req->fid->aname);
if (tp) {
assert (srv->tpool); /* default tpool */
tp->next = srv->tpool->next;
srv->tpool->next = tp;
} else
np_logerr (srv, "np_tpool_create %s", req->fid->aname);
}
if (tp) {
np_tpool_incref (tp);
req->fid->tpool = tp;
}
xpthread_mutex_unlock (&srv->lock);
}
Npsrv*
np_srv_create(int nwthread, int flags)
{
Npsrv *srv = NULL;
np_uerror (0);
if (!(srv = malloc(sizeof(*srv)))) {
np_uerror (ENOMEM);
goto error;
}
memset (srv, 0, sizeof (*srv));
pthread_mutex_init(&srv->lock, NULL);
pthread_cond_init(&srv->conncountcond, NULL);
srv->msize = 8216;
srv->flags = flags;
if (np_ctl_initialize (srv) < 0)
goto error;
if (!np_ctl_addfile (srv->ctlroot, "version", _ctl_get_version, NULL))
goto error;
if (!np_ctl_addfile (srv->ctlroot, "connections",
_ctl_get_connections, srv))
goto error;
if (!np_ctl_addfile (srv->ctlroot, "tpools", _ctl_get_tpools, srv))
goto error;
if (!np_ctl_addfile (srv->ctlroot, "requests", _ctl_get_requests, srv))
goto error;
if (np_usercache_create (srv) < 0)
goto error;
srv->nwthread = nwthread;
if (!(srv->tpool = np_tpool_create (srv, "default")))
goto error;
np_tpool_incref (srv->tpool);
return srv;
error:
if (srv)
np_srv_destroy (srv);
return NULL;
}
Npfcall *
np_walk(Npreq *req, Npfcall *tc)
{
int i;
Npconn *conn = req->conn;
Npfid *fid = req->fid;
Npfid *newfid = NULL;
Npfcall *rc = NULL;
Npqid wqids[P9_MAXWELEM];
if (!fid) {
np_uerror (EIO);
goto done;
}
#if 0
if (!(fid->type & P9_QTDIR)) {
np_uerror(ENOTDIR);
goto done;
}
#endif
/* FIXME: error if fid has been opened */
if (tc->u.twalk.nwname > P9_MAXWELEM) {
np_uerror(EIO);
goto done;
}
if (tc->u.twalk.fid != tc->u.twalk.newfid) {
newfid = np_fid_find(conn, tc->u.twalk.newfid);
if (newfid) {
np_uerror(EIO);
goto done;
}
newfid = np_fid_create(conn, tc->u.twalk.newfid, NULL);
if (!newfid)
goto done;
if (fid->type & P9_QTTMP) {
if (!np_ctl_clone (fid, newfid))
goto done;
} else {
if (!conn->srv->clone)
goto done;
if (!(*conn->srv->clone)(fid, newfid))
goto done;
}
np_user_incref(fid->user);
newfid->user = fid->user;
np_tpool_incref(fid->tpool);
newfid->tpool = fid->tpool;
newfid->type = fid->type;
if (!(newfid->aname = strdup (fid->aname))) {
np_uerror (ENOMEM);
goto done;
}
} else
newfid = fid;
np_fid_incref(newfid);
if (!(newfid->type & P9_QTTMP)) {
if (np_setfsid (req, newfid->user, -1) < 0)
goto done;
}
for(i = 0; i < tc->u.twalk.nwname;) {
if (newfid->type & P9_QTTMP) {
if (!np_ctl_walk (newfid, &tc->u.twalk.wnames[i],
&wqids[i]))
break;
} else {
if (!conn->srv->walk) {
np_uerror (ENOSYS);
break;
}
if (!(*conn->srv->walk)(newfid, &tc->u.twalk.wnames[i],
&wqids[i]))
break;
}
newfid->type = wqids[i].type;
i++;
if (i<(tc->u.twalk.nwname) && !(newfid->type & P9_QTDIR))
break;
}
if (i==0 && tc->u.twalk.nwname!=0)
goto done;
np_uerror(0);
if (tc->u.twalk.fid != tc->u.twalk.newfid)
np_fid_incref(newfid);
rc = np_create_rwalk(i, wqids);
done:
np_fid_decref(newfid);
return rc;
}
