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path: root/src/resolve-host/resolve-host.c
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Diffstat (limited to 'src/resolve-host/resolve-host.c')
-rw-r--r--src/resolve-host/resolve-host.c265
1 files changed, 219 insertions, 46 deletions
diff --git a/src/resolve-host/resolve-host.c b/src/resolve-host/resolve-host.c
index 3e4b52a3a9..67c93c2618 100644
--- a/src/resolve-host/resolve-host.c
+++ b/src/resolve-host/resolve-host.c
@@ -33,6 +33,7 @@
#include "parse-util.h"
#include "resolved-def.h"
#include "resolved-dns-packet.h"
+#include "terminal-util.h"
#define DNS_CALL_TIMEOUT_USEC (45*USEC_PER_SEC)
@@ -42,7 +43,14 @@ static uint16_t arg_type = 0;
static uint16_t arg_class = 0;
static bool arg_legend = true;
static uint64_t arg_flags = 0;
-static bool arg_resolve_service = false;
+
+static enum {
+ MODE_RESOLVE_HOST,
+ MODE_RESOLVE_RECORD,
+ MODE_RESOLVE_SERVICE,
+ MODE_STATISTICS,
+ MODE_RESET_STATISTICS,
+} arg_mode = MODE_RESOLVE_HOST;
static void print_source(uint64_t flags, usec_t rtt) {
char rtt_str[FORMAT_TIMESTAMP_MAX];
@@ -368,7 +376,7 @@ static int resolve_record(sd_bus *bus, const char *name) {
while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
_cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
_cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
- _cleanup_free_ char *s = NULL;
+ const char *s;
uint16_t c, t;
int ifindex;
const void *d;
@@ -399,15 +407,13 @@ static int resolve_record(sd_bus *bus, const char *name) {
return log_oom();
r = dns_packet_read_rr(p, &rr, NULL, NULL);
- if (r < 0) {
- log_error("Failed to parse RR.");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse RR.");
- r = dns_resource_record_to_string(rr, &s);
- if (r < 0) {
+ s = dns_resource_record_to_string(rr);
+ if (!s) {
log_error("Failed to format RR.");
- return r;
+ return -ENOMEM;
}
ifname[0] = 0;
@@ -639,6 +645,121 @@ static int resolve_service(sd_bus *bus, const char *name, const char *type, cons
return 0;
}
+static int show_statistics(sd_bus *bus) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ uint64_t n_current_transactions, n_total_transactions,
+ cache_size, n_cache_hit, n_cache_miss,
+ n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
+ int r;
+
+ assert(bus);
+
+ r = sd_bus_get_property(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "TransactionStatistics",
+ &error,
+ &reply,
+ "(tt)");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "(tt)",
+ &n_current_transactions,
+ &n_total_transactions);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ printf("%sTransactions%s\n"
+ "Current Transactions: %" PRIu64 "\n"
+ " Total Transactions: %" PRIu64 "\n",
+ ansi_highlight(),
+ ansi_normal(),
+ n_current_transactions,
+ n_total_transactions);
+
+ reply = sd_bus_message_unref(reply);
+
+ r = sd_bus_get_property(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "CacheStatistics",
+ &error,
+ &reply,
+ "(ttt)");
+
+ r = sd_bus_message_read(reply, "(ttt)",
+ &cache_size,
+ &n_cache_hit,
+ &n_cache_miss);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ printf("\n%sCache%s\n"
+ " Current Cache Size: %" PRIu64 "\n"
+ " Cache Hits: %" PRIu64 "\n"
+ " Cache Misses: %" PRIu64 "\n",
+ ansi_highlight(),
+ ansi_normal(),
+ cache_size,
+ n_cache_hit,
+ n_cache_miss);
+
+ reply = sd_bus_message_unref(reply);
+
+ r = sd_bus_get_property(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "DNSSECStatistics",
+ &error,
+ &reply,
+ "(tttt)");
+
+ r = sd_bus_message_read(reply, "(tttt)",
+ &n_dnssec_secure,
+ &n_dnssec_insecure,
+ &n_dnssec_bogus,
+ &n_dnssec_indeterminate);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ printf("\n%sDNSSEC%s\n"
+ " Secure RRsets: %" PRIu64 "\n"
+ " Insecure RRsets: %" PRIu64 "\n"
+ " Bogus RRsets: %" PRIu64 "\n"
+ "Indeterminate RRsets: %" PRIu64 "\n",
+ ansi_highlight(),
+ ansi_normal(),
+ n_dnssec_secure,
+ n_dnssec_insecure,
+ n_dnssec_bogus,
+ n_dnssec_indeterminate);
+
+ return 0;
+}
+
+static int reset_statistics(sd_bus *bus) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.resolve1",
+ "/org/freedesktop/resolve1",
+ "org.freedesktop.resolve1.Manager",
+ "ResetStatistics",
+ &error,
+ NULL,
+ NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
static void help_dns_types(void) {
int i;
const char *t;
@@ -683,6 +804,8 @@ static void help(void) {
" --cname=BOOL Do [not] follow CNAME redirects\n"
" --search=BOOL Do [not] use search domains\n"
" --legend=BOOL Do [not] print column headers\n"
+ " --statistics Show resolver statistics\n"
+ " --reset-statistics Reset resolver statistics\n"
, program_invocation_short_name, program_invocation_short_name);
}
@@ -695,20 +818,24 @@ static int parse_argv(int argc, char *argv[]) {
ARG_SERVICE_ADDRESS,
ARG_SERVICE_TXT,
ARG_SEARCH,
+ ARG_STATISTICS,
+ ARG_RESET_STATISTICS,
};
static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "type", required_argument, NULL, 't' },
- { "class", required_argument, NULL, 'c' },
- { "legend", required_argument, NULL, ARG_LEGEND },
- { "protocol", required_argument, NULL, 'p' },
- { "cname", required_argument, NULL, ARG_CNAME },
- { "service", no_argument, NULL, ARG_SERVICE },
- { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
- { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
- { "search", required_argument, NULL, ARG_SEARCH },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "type", required_argument, NULL, 't' },
+ { "class", required_argument, NULL, 'c' },
+ { "legend", required_argument, NULL, ARG_LEGEND },
+ { "protocol", required_argument, NULL, 'p' },
+ { "cname", required_argument, NULL, ARG_CNAME },
+ { "service", no_argument, NULL, ARG_SERVICE },
+ { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
+ { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
+ { "search", required_argument, NULL, ARG_SEARCH },
+ { "statistics", no_argument, NULL, ARG_STATISTICS, },
+ { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
{}
};
@@ -765,6 +892,7 @@ static int parse_argv(int argc, char *argv[]) {
arg_type = (uint16_t) r;
assert((int) arg_type == r);
+ arg_mode = MODE_RESOLVE_RECORD;
break;
case 'c':
@@ -808,7 +936,7 @@ static int parse_argv(int argc, char *argv[]) {
break;
case ARG_SERVICE:
- arg_resolve_service = true;
+ arg_mode = MODE_RESOLVE_SERVICE;
break;
case ARG_CNAME:
@@ -851,6 +979,14 @@ static int parse_argv(int argc, char *argv[]) {
arg_flags &= ~SD_RESOLVED_NO_SEARCH;
break;
+ case ARG_STATISTICS:
+ arg_mode = MODE_STATISTICS;
+ break;
+
+ case ARG_RESET_STATISTICS:
+ arg_mode = MODE_RESET_STATISTICS;
+ break;
+
case '?':
return -EINVAL;
@@ -863,7 +999,7 @@ static int parse_argv(int argc, char *argv[]) {
return -EINVAL;
}
- if (arg_type != 0 && arg_resolve_service) {
+ if (arg_type != 0 && arg_mode != MODE_RESOLVE_RECORD) {
log_error("--service and --type= may not be combined.");
return -EINVAL;
}
@@ -885,20 +1021,57 @@ int main(int argc, char **argv) {
if (r <= 0)
goto finish;
- if (optind >= argc) {
- log_error("No arguments passed");
- r = -EINVAL;
- goto finish;
- }
-
r = sd_bus_open_system(&bus);
if (r < 0) {
log_error_errno(r, "sd_bus_open_system: %m");
goto finish;
}
- if (arg_resolve_service) {
+ switch (arg_mode) {
+ case MODE_RESOLVE_HOST:
+ if (optind >= argc) {
+ log_error("No arguments passed");
+ r = -EINVAL;
+ goto finish;
+ }
+
+ while (argv[optind]) {
+ int family, ifindex, k;
+ union in_addr_union a;
+
+ k = parse_address(argv[optind], &family, &a, &ifindex);
+ if (k >= 0)
+ k = resolve_address(bus, family, &a, ifindex);
+ else
+ k = resolve_host(bus, argv[optind]);
+
+ if (r == 0)
+ r = k;
+
+ optind++;
+ }
+ break;
+
+ case MODE_RESOLVE_RECORD:
+ if (optind >= argc) {
+ log_error("No arguments passed");
+ r = -EINVAL;
+ goto finish;
+ }
+
+ while (argv[optind]) {
+ int k;
+
+ k = resolve_record(bus, argv[optind]);
+ if (r == 0)
+ r = k;
+
+ optind++;
+ }
+ break;
+
+ case MODE_RESOLVE_SERVICE:
if (argc < optind + 1) {
log_error("Domain specification required.");
r = -EINVAL;
@@ -916,27 +1089,27 @@ int main(int argc, char **argv) {
goto finish;
}
- goto finish;
- }
-
- while (argv[optind]) {
- int family, ifindex, k;
- union in_addr_union a;
+ break;
- if (arg_type != 0)
- k = resolve_record(bus, argv[optind]);
- else {
- k = parse_address(argv[optind], &family, &a, &ifindex);
- if (k >= 0)
- k = resolve_address(bus, family, &a, ifindex);
- else
- k = resolve_host(bus, argv[optind]);
+ case MODE_STATISTICS:
+ if (argc > optind) {
+ log_error("Too many arguments.");
+ r = -EINVAL;
+ goto finish;
}
- if (r == 0)
- r = k;
+ r = show_statistics(bus);
+ break;
+
+ case MODE_RESET_STATISTICS:
+ if (argc > optind) {
+ log_error("Too many arguments.");
+ r = -EINVAL;
+ goto finish;
+ }
- optind++;
+ r = reset_statistics(bus);
+ break;
}
finish:
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-30 10:35:18 +0000