static int
_print_volume_options(dict_t *d, char *k, data_t *v, void *tmp)
{
struct gf_printer *gp = tmp;
int ret = 0;
GPPRINTF(gp, " option %s %s\n", k, v->data);
return 0;
out:
/* means, it is a failure */
return -1;
}
static int
glusterfs_graph_print (struct gf_printer *gp, glusterfs_graph_t *graph)
{
#define GPPRINTF(gp, fmt, ...) do { \
ret = gpprintf (gp, fmt, ## __VA_ARGS__); \
if (ret == -1) \
goto out; \
else \
len += ret; \
} while (0)
xlator_t *trav = NULL;
data_pair_t *pair = NULL;
xlator_list_t *xch = NULL;
int ret = 0;
ssize_t len = 0;
if (!graph->first)
return 0;
for (trav = graph->first; trav->next; trav = trav->next);
for (; trav; trav = trav->prev) {
GPPRINTF (gp, "volume %s\n type %s\n", trav->name,
trav->type);
for (pair = trav->options->members_list; pair && pair->next;
pair = pair->next);
for (; pair; pair = pair->prev)
GPPRINTF (gp, " option %s %s\n", pair->key,
pair->value->data);
if (trav->children) {
GPPRINTF (gp, " subvolumes");
for (xch = trav->children; xch; xch = xch->next)
GPPRINTF (gp, " %s", xch->xlator->name);
GPPRINTF (gp, "\n");
}
GPPRINTF (gp, "end-volume\n");
if (trav != graph->first)
GPPRINTF (gp, "\n");
}
out:
if (ret == -1) {
gf_log ("graph-print", GF_LOG_ERROR, "printing failed");
return -1;
}
return len;
#undef GPPRINTF
}
static int
glusterfs_graph_print (struct gf_printer *gp, glusterfs_graph_t *graph)
{
xlator_t *trav = NULL;
xlator_list_t *xch = NULL;
int ret = 0;
ssize_t len = 0;
if (!graph->first)
return 0;
for (trav = graph->first; trav->next; trav = trav->next);
for (; trav; trav = trav->prev) {
GPPRINTF (gp, "volume %s\n type %s\n", trav->name,
trav->type);
ret = dict_foreach (trav->options, _print_volume_options, gp);
if (ret)
goto out;
if (trav->children) {
GPPRINTF (gp, " subvolumes");
for (xch = trav->children; xch; xch = xch->next)
GPPRINTF (gp, " %s", xch->xlator->name);
GPPRINTF (gp, "\n");
}
GPPRINTF (gp, "end-volume\n");
if (trav != graph->first)
GPPRINTF (gp, "\n");
}
out:
len = gp->len;
if (ret == -1) {
gf_msg ("graph-print", GF_LOG_ERROR, 0, LG_MSG_PRINT_FAILED,
"printing failed");
return -1;
}
return len;
#undef GPPRINTF
}
