api: improve api string safety
[vpp.git] / src / plugins / ioam / lib-pot / pot_api.c
index 04c2aaa..31ddf9d 100644 (file)
 
 #include <vlibapi/api.h>
 #include <vlibmemory/api.h>
-#include <vlibsocket/api.h>
 
 /* define message IDs */
-#include <ioam/lib-pot/pot_msg_enum.h>
+#include <ioam/lib-pot/pot.api_enum.h>
+#include <ioam/lib-pot/pot.api_types.h>
 
-/* define message structures */
-#define vl_typedefs
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_printfun
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_api_version
-
-/* 
- * A handy macro to set up a message reply.
- * Assumes that the following variables are available:
- * mp - pointer to request message
- * rmp - pointer to reply message type
- * rv - return value
- */
-
-#define REPLY_MACRO(t)                                          \
-do {                                                            \
-    unix_shared_memory_queue_t * q =                            \
-    vl_api_client_index_to_input_queue (mp->client_index);      \
-    if (!q)                                                     \
-        return;                                                 \
-                                                                \
-    rmp = vl_msg_api_alloc (sizeof (*rmp));                     \
-    rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base);               \
-    rmp->context = mp->context;                                 \
-    rmp->retval = ntohl(rv);                                    \
-                                                                \
-    vl_msg_api_send_shmem (q, (u8 *)&rmp);                      \
-} while(0);
-
-#define REPLY_MACRO2(t, body)                                   \
-do {                                                            \
-    unix_shared_memory_queue_t * q;                             \
-    rv = vl_msg_api_pd_handler (mp, rv);                        \
-    q = vl_api_client_index_to_input_queue (mp->client_index);  \
-    if (!q)                                                     \
-        return;                                                 \
-                                                                \
-    rmp = vl_msg_api_alloc (sizeof (*rmp));                     \
-    rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base);               \
-    rmp->context = mp->context;                                 \
-    rmp->retval = ntohl(rv);                                    \
-    do {body;} while (0);                                       \
-    vl_msg_api_send_shmem (q, (u8 *)&rmp);                      \
-} while(0);
-
-/* List of message types that this plugin understands */
-
-#define foreach_pot_plugin_api_msg                                      \
-_(POT_PROFILE_ADD, pot_profile_add)                                     \
-_(POT_PROFILE_ACTIVATE, pot_profile_activate)                           \
-_(POT_PROFILE_DEL, pot_profile_del)                                     \
-_(POT_PROFILE_SHOW_CONFIG_DUMP, pot_profile_show_config_dump)                                     \
+#define REPLY_MSG_ID_BASE sm->msg_id_base
+#include <vlibapi/api_helper_macros.h>
 
 static void vl_api_pot_profile_add_t_handler
 (vl_api_pot_profile_add_t *mp)
@@ -108,8 +43,7 @@ static void vl_api_pot_profile_add_t_handler
     pot_profile *profile = NULL;
     u8 *name = 0;
 
-    if (mp->list_name_len)
-        name = format(0, "%s", mp->list_name);
+    name = vl_api_from_api_to_new_vec(&mp->list_name);
 
     pot_profile_list_init(name);
     id = mp->id;
@@ -187,8 +121,7 @@ static void vl_api_pot_profile_activate_t_handler
     u8 id;
     u8 *name = NULL;
 
-    if (mp->list_name_len)
-        name = format(0, "%s", mp->list_name);
+    name = vl_api_from_api_to_new_vec(&mp->list_name);
     if (!pot_profile_list_is_enabled(name)) {
         rv = -1;
     } else {
@@ -213,43 +146,10 @@ static void vl_api_pot_profile_del_t_handler
     REPLY_MACRO(VL_API_POT_PROFILE_DEL_REPLY);
 }
 
-/* Set up the API message handling tables */
-static clib_error_t *
-pot_plugin_api_hookup (vlib_main_t *vm)
-{
-  pot_main_t * sm = &pot_main;
-#define _(N,n)                                                  \
-    vl_msg_api_set_handlers((VL_API_##N + sm->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_pot_plugin_api_msg;
-#undef _
-
-    return 0;
-}
-
-#define vl_msg_name_crc_list
-#include <ioam/lib-pot/pot_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (pot_main_t * sm, api_main_t * am)
-{
-#define _(id,n,crc) \
-  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
-  foreach_vl_msg_name_crc_pot;
-#undef _
-}
-
+#include <ioam/lib-pot/pot.api.c>
 static clib_error_t * pot_init (vlib_main_t * vm)
 {
   pot_main_t * sm = &pot_main;
-  clib_error_t * error = 0;
-  u8 * name;
 
   bzero(sm, sizeof(pot_main));
   (void)pot_util_init();
@@ -257,20 +157,10 @@ static clib_error_t * pot_init (vlib_main_t * vm)
   sm->vlib_main = vm;
   sm->vnet_main = vnet_get_main();
 
-  name = format (0, "ioam_pot_%08x%c", api_version, 0);
-
   /* Ask for a correctly-sized block of API message decode slots */
-  sm->msg_id_base = vl_msg_api_get_msg_ids 
-      ((char *) name, VL_MSG_FIRST_AVAILABLE);
-
-  error = pot_plugin_api_hookup (vm);
-
-  /* Add our API messages to the global name_crc hash table */
-  setup_message_id_table (sm, &api_main);
-
-  vec_free(name);
+  sm->msg_id_base = setup_message_id_table ();
 
-  return error;
+  return 0;
 }
 
 VLIB_INIT_FUNCTION (pot_init);