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authorBenoît Ganne <bganne@cisco.com>2022-06-08 10:23:43 +0200
committerFlorin Coras <florin.coras@gmail.com>2022-06-08 16:28:29 +0000
commitb3559cef7759e323c2a495c0613124058ed652d2 (patch)
treebb3bf7ff4391c13238beb78f6c9c40d05e1277de /src/vnet/udp
parent42928beec9f4dc87dcf61332a39801a454c1d7bc (diff)
udp: add cli to dump registered ports
Type: improvement Change-Id: Ic949e3136a7cf27011d098a50e91920f83226ea9 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vnet/udp')
-rw-r--r--src/vnet/udp/udp_cli.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/src/vnet/udp/udp_cli.c b/src/vnet/udp/udp_cli.c
index 97760f4c4f8..3b7bb380c89 100644
--- a/src/vnet/udp/udp_cli.c
+++ b/src/vnet/udp/udp_cli.c
@@ -13,6 +13,9 @@
* limitations under the License.
*/
+#include <vppinfra/error.h>
+#include <vppinfra/format.h>
+#include <vppinfra/format_table.h>
#include <vnet/udp/udp.h>
#include <vnet/session/session_types.h>
@@ -171,6 +174,96 @@ VLIB_CLI_COMMAND (show_tcp_punt_command, static) =
};
/* *INDENT-ON* */
+static void
+table_format_udp_port_ (vlib_main_t *vm, udp_main_t *um, table_t *t, int *c,
+ int port, int bind, int is_ip4)
+{
+ const udp_dst_port_info_t *pi = udp_get_dst_port_info (um, port, is_ip4);
+ if (!pi)
+ return;
+ if (bind && ~0 == pi->node_index)
+ return;
+ table_format_cell (t, *c, 0, "%d", pi->dst_port);
+ table_format_cell (t, *c, 1, is_ip4 ? "ip4" : "ip6");
+ table_format_cell (t, *c, 2, ~0 == pi->node_index ? "none" : "%U",
+ format_vlib_node_name, vm, pi->node_index);
+ table_format_cell (t, *c, 3, "%s", pi->name);
+ (*c)++;
+}
+
+static void
+table_format_udp_port (vlib_main_t *vm, udp_main_t *um, table_t *t, int *c,
+ int port, int bind, int ip4, int ip6)
+{
+ if (ip4)
+ table_format_udp_port_ (vm, um, t, c, port, bind, 1 /* is_ip4 */);
+ if (ip6)
+ table_format_udp_port_ (vm, um, t, c, port, bind, 0 /* is_ip4 */);
+}
+
+static clib_error_t *
+show_udp_ports (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ table_t table = {}, *t = &table;
+ udp_main_t *um = &udp_main;
+ clib_error_t *err = 0;
+ int ip4 = 1, ip6 = 1;
+ int port = -1;
+ int bind = 1;
+ int c = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "ip4"))
+ ip6 = 0;
+ else if (unformat (input, "ip6"))
+ ip4 = 0;
+ else if (unformat (input, "bind"))
+ bind = 1;
+ else if (unformat (input, "all"))
+ bind = 0;
+ else if (unformat (input, "%d", &port))
+ ;
+ else
+ {
+ err = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ goto out;
+ }
+ }
+
+ table_add_header_col (t, 4, "port", "proto", "node", "desc");
+
+ if (port > 65535)
+ {
+ err = clib_error_return (0, "wrong port %d", port);
+ goto out;
+ }
+ else if (port < 0)
+ {
+ for (port = 0; port < 65536; port++)
+ table_format_udp_port (vm, um, t, &c, port, bind, ip4, ip6);
+ }
+ else
+ {
+ table_format_udp_port (vm, um, t, &c, port, bind, ip4, ip6);
+ }
+
+ vlib_cli_output (vm, "%U", format_table, t);
+
+out:
+ table_free (t);
+ return err;
+}
+
+VLIB_CLI_COMMAND (show_udp_ports_cmd, static) = {
+ .path = "show udp ports",
+ .function = show_udp_ports,
+ .short_help = "show udp ports [ip4|ip6] [bind|all|<port>]",
+ .is_mp_safe = 1,
+};
+
/*
* fd.io coding-style-patch-verification: ON
*