Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2016 Cisco and/or its affiliates.
       3             :  * Licensed under the Apache License, Version 2.0 (the "License");
       4             :  * you may not use this file except in compliance with the License.
       5             :  * You may obtain a copy of the License at:
       6             :  *
       7             :  *     http://www.apache.org/licenses/LICENSE-2.0
       8             :  *
       9             :  * Unless required by applicable law or agreed to in writing, software
      10             :  * distributed under the License is distributed on an "AS IS" BASIS,
      11             :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             :  * See the License for the specific language governing permissions and
      13             :  * limitations under the License.
      14             :  */
      15             : /*
      16             :  *------------------------------------------------------------------
      17             :  * trace_api.c - iOAM Trace related APIs to create
      18             :  *               and maintain profiles
      19             :  *------------------------------------------------------------------
      20             :  */
      21             : 
      22             : #include <vnet/vnet.h>
      23             : #include <vnet/plugin/plugin.h>
      24             : #include <ioam/lib-trace/trace_util.h>
      25             : #include <ioam/lib-trace/trace_config.h>
      26             : #include <vlibapi/api_helper_macros.h>
      27             : #include <vlibapi/api.h>
      28             : #include <vlibmemory/api.h>
      29             : 
      30             : /* define message IDs */
      31             : #include <ioam/lib-trace/trace.api_enum.h>
      32             : #include <ioam/lib-trace/trace.api_types.h>
      33             : 
      34           0 : static void vl_api_trace_profile_add_t_handler
      35             :   (vl_api_trace_profile_add_t * mp)
      36             : {
      37           0 :   int rv = 0;
      38             :   vl_api_trace_profile_add_reply_t *rmp;
      39           0 :   trace_profile *profile = NULL;
      40             : 
      41           0 :   profile = trace_profile_find ();
      42           0 :   if (profile)
      43             :     {
      44             :       rv =
      45           0 :         trace_profile_create (profile, mp->trace_type, mp->num_elts,
      46           0 :                               mp->trace_tsp, ntohl (mp->node_id),
      47             :                               ntohl (mp->app_data));
      48           0 :       if (rv != 0)
      49           0 :         goto ERROROUT;
      50             :     }
      51             :   else
      52             :     {
      53           0 :       rv = -3;
      54             :     }
      55           0 : ERROROUT:
      56           0 :   REPLY_MACRO (VL_API_TRACE_PROFILE_ADD_REPLY);
      57             : }
      58             : 
      59             : 
      60           0 : static void vl_api_trace_profile_del_t_handler
      61             :   (vl_api_trace_profile_del_t * mp)
      62             : {
      63           0 :   int rv = 0;
      64             :   vl_api_trace_profile_del_reply_t *rmp;
      65             : 
      66           0 :   clear_trace_profiles ();
      67             : 
      68           0 :   REPLY_MACRO (VL_API_TRACE_PROFILE_DEL_REPLY);
      69             : }
      70             : 
      71           0 : static void vl_api_trace_profile_show_config_t_handler
      72             :   (vl_api_trace_profile_show_config_t * mp)
      73             : {
      74             :   vl_api_trace_profile_show_config_reply_t *rmp;
      75           0 :   int rv = 0;
      76           0 :   trace_profile *profile = trace_profile_find ();
      77           0 :   if (profile->valid)
      78             :     {
      79           0 :       REPLY_MACRO2 (VL_API_TRACE_PROFILE_SHOW_CONFIG_REPLY,
      80             :                     rmp->trace_type = profile->trace_type;
      81             :                     rmp->num_elts = profile->num_elts;
      82             :                     rmp->trace_tsp = profile->trace_tsp;
      83             :                     rmp->node_id = htonl (profile->node_id);
      84             :                     rmp->app_data = htonl (profile->app_data);
      85             :         );
      86             :     }
      87             :   else
      88             :     {
      89           0 :       REPLY_MACRO2 (VL_API_TRACE_PROFILE_SHOW_CONFIG_REPLY,
      90             :                     rmp->trace_type = 0;
      91             :                     rmp->num_elts = 0; rmp->trace_tsp = 0;
      92             :                     rmp->node_id = 0; rmp->app_data = 0;
      93             :         );
      94             :     }
      95             : }
      96             : 
      97             : #include <ioam/lib-trace/trace.api.c>
      98             : static clib_error_t *
      99         575 : trace_init (vlib_main_t * vm)
     100             : {
     101         575 :   trace_main_t *sm = &trace_main;
     102             : 
     103         575 :   bzero (sm, sizeof (trace_main));
     104         575 :   (void) trace_util_init ();
     105             : 
     106         575 :   sm->vlib_main = vm;
     107         575 :   sm->vnet_main = vnet_get_main ();
     108             : 
     109             :   /* Ask for a correctly-sized block of API message decode slots */
     110         575 :   sm->msg_id_base = setup_message_id_table ();
     111             : 
     112         575 :   return 0;
     113             : }
     114             : 
     115        2879 : VLIB_INIT_FUNCTION (trace_init);
     116             : 
     117             : /*
     118             :  * fd.io coding-style-patch-verification: ON
     119             :  *
     120             :  * Local Variables:
     121             :  * eval: (c-set-style "gnu")
     122             :  * End:
     123             :  */