/* * dns.c - skeleton vpp-api-test plug-in * * Copyright (c) <current-year> <your-organization> * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <vat/vat.h> #include <vlibapi/api.h> #include <vlibmemory/api.h> #include <vppinfra/error.h> #include <stdbool.h> #include <vnet/ip/ip.h> uword unformat_sw_if_index (unformat_input_t * input, va_list * args); /* Declare message IDs */ #include <dns/dns.api_enum.h> #include <dns/dns.api_types.h> typedef struct { /* API message ID base */ u16 msg_id_base; vat_main_t *vat_main; } dns_test_main_t; dns_test_main_t dns_test_main; #define __plugin_msg_base dns_test_main.msg_id_base #include <vlibapi/vat_helper_macros.h> static void vl_api_dns_resolve_name_reply_t_handler (vl_api_dns_resolve_name_reply_t * mp) { vat_main_t *vam = dns_test_main.vat_main; i32 retval = (i32) clib_net_to_host_u32 (mp->retval); if (retval == 0) { if (mp->ip4_set) clib_warning ("resolved: %U", format_ip4_address, mp->ip4_address); if (mp->ip6_set) clib_warning ("resolved: %U", format_ip6_address, mp->ip6_address); } if (vam->async_mode) vam->async_errors += (retval < 0); else { vam->retval = retval; vam->result_ready = 1; } } static void vl_api_dns_resolve_ip_reply_t_handler (vl_api_dns_resolve_ip_reply_t * mp) { vat_main_t *vam = dns_test_main.vat_main; i32 retval = (i32) clib_net_to_host_u32 (mp->retval); if (retval == 0) clib_warning ("resolved: %s", mp->name); if (vam->async_mode) vam->async_errors += (retval < 0); else { vam->retval = retval; vam->result_ready = 1; } } static int api_dns_enable_disable (vat_main_t * vam) { vl_api_dns_enable_disable_t *mp; unformat_input_t *i = vam->input; int enable = 1; int ret; /* Parse args required to build the message */ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "disable")) enable = 0; else if (unformat (i, "enable")) enable = 1; else break; } /* Construct the API message */ M (DNS_ENABLE_DISABLE, mp); mp->enable = enable; /* send it... */ S (mp); /* Wait for a reply... */ W (ret); return ret; } static int api_dns_resolve_name (vat_main_t * vam) { unformat_input_t *line_input = vam->input; vl_api_dns_resolve_name_t *mp; u8 *name = 0; int ret; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%s", &name)) ; else break; } if (vec_len (name) > 127) { errmsg ("name too long"); return -99; } /* Construct the API message */ M (DNS_RESOLVE_NAME, mp); memcpy (mp->name, name, vec_len (name)); vec_free (name); /* send it... */ S (mp); /* Wait for the reply */ W (ret); return ret; } static int api_dns_resolve_ip (vat_main_t * vam) { unformat_input_t *line_input = vam->input; vl_api_dns_resolve_ip_t *mp; int is_ip6 = -1; ip4_address_t addr4; ip6_address_t addr6; int ret; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U", unformat_ip6_address, &addr6)) is_ip6 = 1; else if (unformat (line_input, "%U", unformat_ip4_address, &addr4)) is_ip6 = 0; else break; } if (is_ip6 == -1) { errmsg ("missing address"); return -99; } /* Construct the API message */ M (DNS_RESOLVE_IP, mp); mp->is_ip6 = is_ip6; if (is_ip6) memcpy (mp->address, &addr6, sizeof (addr6)); else memcpy (mp->address, &addr4, sizeof (addr4)); /* send it... */ S (mp); /* Wait for the reply */ W (ret); return ret; } static int api_dns_name_server_add_del (vat_main_t * vam) { unformat_input_t *i = vam->input; vl_api_dns_name_server_add_del_t *mp; u8 is_add = 1; ip6_address_t ip6_server; ip4_address_t ip4_server; int ip6_set = 0; int ip4_set = 0; int ret = 0; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_ip6_address, &ip6_server)) ip6_set = 1; else if (unformat (i, "%U", unformat_ip4_address, &ip4_server)) ip4_set = 1; else if (unformat (i, "del")) is_add = 0; else { clib_warning ("parse error '%U'", format_unformat_error, i); return -99; } } if (ip4_set && ip6_set) { errmsg ("Only one server address allowed per message"); return -99; } if ((ip4_set + ip6_set) == 0) { errmsg ("Server address required"); return -99; } /* Construct the API message */ M (DNS_NAME_SERVER_ADD_DEL, mp); if (ip6_set) { memcpy (mp->server_address, &ip6_server, sizeof (ip6_address_t)); mp->is_ip6 = 1; } else { memcpy (mp->server_address, &ip4_server, sizeof (ip4_address_t)); mp->is_ip6 = 0; } mp->is_add = is_add; /* send it... */ S (mp); /* Wait for a reply, return good/bad news */ W (ret); return ret; } #include <dns/dns.api_test.c> /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */