static gfarm_error_t
name2_op_result(struct gfm_connection *conn, struct gfp_xdr_context *ctx,
void *closure)
{
gfarm_error_t e;
/*
gfarm_ino_t ino;
gfarm_uint64_t gen;
gfarm_mode_t mode;
*/
struct op_closure *c = (struct op_closure *)closure;
assert(conn);
assert(closure);
c->result++;
if ((e = gfm_client_get_fd_result(conn, ctx, &c->f2.fd))
!= GFARM_ERR_NO_ERROR)
return (e);
if ((e = get_inonum_result(conn, ctx, &c->f2, 0, 1))
!= GFARM_ERR_NO_ERROR)
return (e);
if ((e = gfm_client_restore_fd_result(conn, ctx))
!= GFARM_ERR_NO_ERROR)
return (e);
if ((e != gfm_client_get_fd_result(conn, ctx, &c->f1.fd))
!= GFARM_ERR_NO_ERROR)
return (e);
if ((e = get_inonum_result(conn, ctx, &c->f1, c->is_stat_or_open, 0))
!= GFARM_ERR_NO_ERROR)
return (e);
if ((e = gfm_client_save_fd_result(conn, ctx))
!= GFARM_ERR_NO_ERROR)
return (e);
return (gfm_client_open_root_result(conn, ctx));
/*return (gfm_client_open_result(conn, ctx, &ino, &gen, &mode));*/
}
gfarm_error_t
gfs_link(const char *src, const char *dst)
{
gfarm_error_t e, e_save;
int retry = 0;
struct gfm_connection *sgfmd, *dgfmd;
const char *spath, *dpath, *dbase;
for (;;) {
e_save = GFARM_ERR_NO_ERROR;
spath = src;
dpath = dst;
if ((e = gfarm_url_parse_metadb(&spath, &sgfmd))
!= GFARM_ERR_NO_ERROR) {
gflog_warning(GFARM_MSG_1000118,
"url_parse_metadb(%s): %s", src,
gfarm_error_string(e));
return (e);
} else if ((e = gfarm_url_parse_metadb(&dpath, &dgfmd))
!= GFARM_ERR_NO_ERROR) {
gflog_warning(GFARM_MSG_1000119,
"url_parse_metadb(%s): %s", dst,
gfarm_error_string(e));
gfm_client_connection_free(sgfmd);
return (e);
} else if (sgfmd != dgfmd) {
gfm_client_connection_free(dgfmd);
gfm_client_connection_free(sgfmd);
return (GFARM_ERR_CROSS_DEVICE_LINK);
}
if ((e = gfm_tmp_open_request(sgfmd, spath, GFARM_FILE_LOOKUP))
!= GFARM_ERR_NO_ERROR) {
gflog_warning(GFARM_MSG_1000120,
"tmp_open(%s) request: %s", src,
gfarm_error_string(e));
} else if ((e = gfm_client_save_fd_request(sgfmd))
!= GFARM_ERR_NO_ERROR) {
gflog_warning(GFARM_MSG_1000121, "save_fd request: %s",
gfarm_error_string(e));
} else if ((e = gfm_lookup_dir_request(dgfmd, dpath, &dbase))
!= GFARM_ERR_NO_ERROR) {
gflog_warning(GFARM_MSG_1000122,
"lookup_dir(%s) request: %s", dst,
gfarm_error_string(e));
} else if (dbase[0] == '/' && dbase[1] == '\0') {
/* "/" is special */
e_save = GFARM_ERR_OPERATION_NOT_PERMITTED;
} else if ((e = gfm_client_flink_request(dgfmd, dbase))
!= GFARM_ERR_NO_ERROR) {
gflog_warning(GFARM_MSG_1000123, "flink request: %s",
gfarm_error_string(e));
}
if (e != GFARM_ERR_NO_ERROR)
break;
if ((e = gfm_client_compound_end_request(sgfmd))
!= GFARM_ERR_NO_ERROR) {
gflog_warning(GFARM_MSG_1000124,
"compound_end request: %s",
gfarm_error_string(e));
} else if ((e = gfm_tmp_open_result(sgfmd, spath, NULL))
!= GFARM_ERR_NO_ERROR) {
if (gfm_client_is_connection_error(e) && ++retry <= 1){
gfm_client_connection_free(dgfmd);
gfm_client_connection_free(sgfmd);
continue;
}
#if 0 /* DEBUG */
gflog_debug(GFARM_MSG_1000125,
"tmp_open(%s) result: %s", src,
gfarm_error_string(e));
#endif
} else if ((e = gfm_client_save_fd_result(sgfmd))
!= GFARM_ERR_NO_ERROR) {
gflog_warning(GFARM_MSG_1000126, "save_fd result: %s",
gfarm_error_string(e));
} else if ((e = gfm_lookup_dir_result(dgfmd, dpath, &dbase))
!= GFARM_ERR_NO_ERROR) {
#if 0 /* DEBUG */
gflog_debug(GFARM_MSG_1000127,
"lookup_dir(%s) result: %s", dst,
gfarm_error_string(e));
#endif
} else if (dbase[0] == '/' && dbase[1] == '\0') {
/* "/" is special */
e_save = GFARM_ERR_OPERATION_NOT_PERMITTED;
} else if ((e = gfm_client_flink_result(dgfmd))
!= GFARM_ERR_NO_ERROR) {
#if 0 /* DEBUG */
gflog_debug(GFARM_MSG_1000128, "flink result: %s",
gfarm_error_string(e));
#endif
}
if (e != GFARM_ERR_NO_ERROR)
break;
if ((e = gfm_client_compound_end_result(sgfmd))
!= GFARM_ERR_NO_ERROR) {
gflog_warning(GFARM_MSG_1000129,
"compound_end result: %s",
gfarm_error_string(e));
}
break;
}
gfm_client_connection_free(dgfmd);
gfm_client_connection_free(sgfmd);
/* NOTE: the opened descriptor is automatically closed by gfmd */
return (e_save != GFARM_ERR_NO_ERROR ? e_save : e);
}
