--- /dev/null
+/*
+ * 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_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <dns/dns_all_api_h.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+
+#define vl_endianfun /* define message structures */
+#include <dns/dns_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <dns/dns_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number. */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <dns/dns_all_api_h.h>
+#undef vl_api_version
+
+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>
+
+#define foreach_standard_reply_retval_handler \
+_(dns_enable_disable_reply) \
+_(dns_name_server_add_del_reply)
+
+#define _(n) \
+ static void vl_api_##n##_t_handler \
+ (vl_api_##n##_t * mp) \
+ { \
+ vat_main_t * vam = dns_test_main.vat_main; \
+ i32 retval = (i32) clib_net_to_host_u32(mp->retval); \
+ if (vam->async_mode) { \
+ vam->async_errors += (retval < 0); \
+ } else { \
+ vam->retval = retval; \
+ vam->result_ready = 1; \
+ } \
+ }
+foreach_standard_reply_retval_handler;
+#undef _
+
+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;
+ }
+}
+
+/*
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg \
+_(DNS_ENABLE_DISABLE_REPLY, dns_enable_disable_reply) \
+_(DNS_NAME_SERVER_ADD_DEL_REPLY, dns_name_server_add_del_reply) \
+_(DNS_RESOLVE_NAME_REPLY, dns_resolve_name_reply) \
+_(DNS_RESOLVE_IP_REPLY, dns_resolve_ip_reply)
+
+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;
+}
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg \
+_(dns_enable_disable, "[enable][disable]") \
+_(dns_name_server_add_del, "<ip-address> [del]") \
+_(dns_resolve_name, "<hostname>") \
+_(dns_resolve_ip, "<ip4|ip6>") \
+_(dns_name_server_add_del, "<ip-address> [del]") \
+_(dns_resolve_name, "<hostname>")
+
+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;
+}
+
+static void
+dns_api_hookup (vat_main_t * vam)
+{
+ dns_test_main_t *dtmp = &dns_test_main;
+ /* Hook up handlers for replies from the data plane plug-in */
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + dtmp->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_reply_msg;
+#undef _
+
+ /* API messages we can send */
+#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
+ foreach_vpe_api_msg;
+#undef _
+
+ /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+ foreach_vpe_api_msg;
+#undef _
+}
+
+VAT_PLUGIN_REGISTER (dns);
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff