static void dump_kern_db(FILE *fp)
{
json_writer_t *jw = json_output ? jsonw_new(fp) : NULL;
struct ifstat_ent *n;
if (jw) {
jsonw_start_object(jw);
jsonw_pretty(jw, pretty);
jsonw_name(jw, info_source);
jsonw_start_object(jw);
} else
print_head(fp);
for (n = kern_db; n; n = n->next) {
if (!match(n->name))
continue;
if (jw)
print_one_json(jw, n, n->val);
else
print_one_if(fp, n, n->val);
}
if (json_output)
fprintf(fp, "\n} }\n");
}
static int vlan_show(int argc, char **argv)
{
char *filter_dev = NULL;
while (argc > 0) {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
if (filter_dev)
duparg("dev", *argv);
filter_dev = *argv;
} else if (strcmp(*argv, "vid") == 0) {
NEXT_ARG();
if (filter_vlan)
duparg("vid", *argv);
filter_vlan = atoi(*argv);
}
argc--; argv++;
}
if (filter_dev) {
if ((filter_index = if_nametoindex(filter_dev)) == 0) {
fprintf(stderr, "Cannot find device \"%s\"\n",
filter_dev);
return -1;
}
}
if (rtnl_wilddump_req_filter(&rth, PF_BRIDGE, RTM_GETLINK,
(compress_vlans ?
RTEXT_FILTER_BRVLAN_COMPRESSED :
RTEXT_FILTER_BRVLAN)) < 0) {
perror("Cannont send dump request");
exit(1);
}
if (json_output) {
jw_global = jsonw_new(stdout);
if (!jw_global) {
fprintf(stderr, "Error allocation json object\n");
exit(1);
}
jsonw_start_object(jw_global);
} else {
printf("port\tvlan ids\n");
}
if (rtnl_dump_filter(&rth, print_vlan, stdout) < 0) {
fprintf(stderr, "Dump ternminated\n");
exit(1);
}
if (jw_global) {
jsonw_end_object(jw_global);
jsonw_destroy(&jw_global);
}
return 0;
}
static void dump_raw_db(FILE *fp, int to_hist)
{
json_writer_t *jw = json_output ? jsonw_new(fp) : NULL;
struct ifstat_ent *n, *h;
h = hist_db;
if (jw) {
jsonw_start_object(jw);
jsonw_pretty(jw, pretty);
jsonw_name(jw, info_source);
jsonw_start_object(jw);
} else
fprintf(fp, "#%s\n", info_source);
for (n = kern_db; n; n = n->next) {
int i;
unsigned long long *vals = n->val;
double *rates = n->rate;
if (!match(n->name)) {
struct ifstat_ent *h1;
if (!to_hist)
continue;
for (h1 = h; h1; h1 = h1->next) {
if (h1->ifindex == n->ifindex) {
vals = h1->val;
rates = h1->rate;
h = h1->next;
break;
}
}
}
if (jw) {
jsonw_name(jw, n->name);
jsonw_start_object(jw);
for (i = 0; i < MAXS && stats[i]; i++)
jsonw_uint_field(jw, stats[i], vals[i]);
jsonw_end_object(jw);
} else {
fprintf(fp, "%d %s ", n->ifindex, n->name);
for (i = 0; i < MAXS; i++)
fprintf(fp, "%llu %u ", vals[i],
(unsigned int)rates[i]);
fprintf(fp, "\n");
}
}
if (jw) {
jsonw_end_object(jw);
jsonw_end_object(jw);
jsonw_destroy(&jw);
}
}
static json_writer_t *get_btf_writer(void)
{
json_writer_t *jw = jsonw_new(stdout);
if (!jw)
return NULL;
jsonw_pretty(jw, true);
return jw;
}
void new_json_obj(int json)
{
if (json) {
_jw = jsonw_new(stdout);
if (!_jw) {
perror("json object");
exit(1);
}
jsonw_pretty(_jw, true);
jsonw_start_array(_jw);
}
}
int main(int argc, char **argv)
{
json_writer_t *wr = jsonw_new(stdout);
jsonw_start_object(wr);
jsonw_pretty(wr, true);
jsonw_name(wr, "Vyatta");
jsonw_start_object(wr);
jsonw_string_field(wr, "url", "http://vyatta.com");
jsonw_uint_field(wr, "downloads", 2000000ul);
jsonw_float_field(wr, "stock", 8.16);
jsonw_name(wr, "ARGV");
jsonw_start_array(wr);
while (--argc)
jsonw_string(wr, *++argv);
jsonw_end_array(wr);
jsonw_name(wr, "empty");
jsonw_start_array(wr);
jsonw_end_array(wr);
jsonw_name(wr, "NIL");
jsonw_start_object(wr);
jsonw_end_object(wr);
jsonw_null_field(wr, "my_null");
jsonw_name(wr, "special chars");
jsonw_start_array(wr);
jsonw_string_field(wr, "slash", "/");
jsonw_string_field(wr, "newline", "\n");
jsonw_string_field(wr, "tab", "\t");
jsonw_string_field(wr, "ff", "\f");
jsonw_string_field(wr, "quote", "\"");
jsonw_string_field(wr, "tick", "\'");
jsonw_string_field(wr, "backslash", "\\");
jsonw_end_array(wr);
jsonw_end_object(wr);
jsonw_end_object(wr);
jsonw_destroy(&wr);
return 0;
}
static void dump_incr_db(FILE *fp)
{
struct ifstat_ent *n, *h;
json_writer_t *jw = json_output ? jsonw_new(fp) : NULL;
h = hist_db;
if (jw) {
jsonw_start_object(jw);
jsonw_pretty(jw, pretty);
jsonw_name(jw, info_source);
jsonw_start_object(jw);
} else
print_head(fp);
for (n = kern_db; n; n = n->next) {
int i;
unsigned long long vals[MAXS];
struct ifstat_ent *h1;
memcpy(vals, n->val, sizeof(vals));
for (h1 = h; h1; h1 = h1->next) {
if (h1->ifindex == n->ifindex) {
for (i = 0; i < MAXS; i++)
vals[i] -= h1->val[i];
h = h1->next;
break;
}
}
if (!match(n->name))
continue;
if (jw)
print_one_json(jw, n, n->val);
else
print_one_if(fp, n, vals);
}
if (jw) {
jsonw_end_object(jw);
jsonw_end_object(jw);
jsonw_destroy(&jw);
}
}
int main(int argc, char **argv)
{
static const struct option options[] = {
{ "json", no_argument, NULL, 'j' },
{ "help", no_argument, NULL, 'h' },
{ "pretty", no_argument, NULL, 'p' },
{ "version", no_argument, NULL, 'V' },
{ "bpffs", no_argument, NULL, 'f' },
{ "mapcompat", no_argument, NULL, 'm' },
{ "nomount", no_argument, NULL, 'n' },
{ 0 }
};
int opt, ret;
last_do_help = do_help;
pretty_output = false;
json_output = false;
show_pinned = false;
block_mount = false;
bin_name = argv[0];
hash_init(prog_table.table);
hash_init(map_table.table);
opterr = 0;
while ((opt = getopt_long(argc, argv, "Vhpjfmn",
options, NULL)) >= 0) {
switch (opt) {
case 'V':
return do_version(argc, argv);
case 'h':
return do_help(argc, argv);
case 'p':
pretty_output = true;
/* fall through */
case 'j':
if (!json_output) {
json_wtr = jsonw_new(stdout);
if (!json_wtr) {
p_err("failed to create JSON writer");
return -1;
}
json_output = true;
}
jsonw_pretty(json_wtr, pretty_output);
break;
case 'f':
show_pinned = true;
break;
case 'm':
bpf_flags = MAPS_RELAX_COMPAT;
break;
case 'n':
block_mount = true;
break;
default:
p_err("unrecognized option '%s'", argv[optind - 1]);
if (json_output)
clean_and_exit(-1);
else
usage();
}
}
argc -= optind;
argv += optind;
if (argc < 0)
usage();
ret = cmd_select(cmds, argc, argv, do_help);
if (json_output)
jsonw_destroy(&json_wtr);
if (show_pinned) {
delete_pinned_obj_table(&prog_table);
delete_pinned_obj_table(&map_table);
}
return ret;
}
