tools/bpf/bpftool/netlink_dumper.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
   2 // Copyright (C) 2018 Facebook
   3
   4 #ifndef _NETLINK_DUMPER_H_
   5 #define _NETLINK_DUMPER_H_
   6
   7 #define NET_START_OBJECT                                \
   8 {                                                       \
   9         if (json_output)                                \
  10                 jsonw_start_object(json_wtr);           \
  11 }
  12
  13 #define NET_START_OBJECT_NESTED(name)                   \
  14 {                                                       \
  15         if (json_output) {                              \
  16                 jsonw_name(json_wtr, name);             \
  17                 jsonw_start_object(json_wtr);           \
  18         } else {                                        \
  19                 fprintf(stdout, "%s {", name);          \
  20         }                                               \
  21 }
  22
  23 #define NET_START_OBJECT_NESTED2                        \
  24 {                                                       \
  25         if (json_output)                                \
  26                 jsonw_start_object(json_wtr);           \
  27         else                                            \
  28                 fprintf(stdout, "{");                   \
  29 }
  30
  31 #define NET_END_OBJECT_NESTED                           \
  32 {                                                       \
  33         if (json_output)                                \
  34                 jsonw_end_object(json_wtr);             \
  35         else                                            \
  36                 fprintf(stdout, "}");                   \
  37 }
  38
  39 #define NET_END_OBJECT                                  \
  40 {                                                       \
  41         if (json_output)                                \
  42                 jsonw_end_object(json_wtr);             \
  43 }
  44
  45 #define NET_END_OBJECT_FINAL                            \
  46 {                                                       \
  47         if (json_output)                                \
  48                 jsonw_end_object(json_wtr);             \
  49         else                                            \
  50                 fprintf(stdout, "\n");                  \
  51 }
  52
  53 #define NET_START_ARRAY(name, fmt_str)                  \
  54 {                                                       \
  55         if (json_output) {                              \
  56                 jsonw_name(json_wtr, name);             \
  57                 jsonw_start_array(json_wtr);            \
  58         } else {                                        \
  59                 fprintf(stdout, fmt_str, name);         \
  60         }                                               \
  61 }
  62
  63 #define NET_END_ARRAY(endstr)                           \
  64 {                                                       \
  65         if (json_output)                                \
  66                 jsonw_end_array(json_wtr);              \
  67         else                                            \
  68                 fprintf(stdout, "%s", endstr);          \
  69 }
  70
  71 #define NET_DUMP_UINT(name, fmt_str, val)               \
  72 {                                                       \
  73         if (json_output)                                \
  74                 jsonw_uint_field(json_wtr, name, val);  \
  75         else                                            \
  76                 fprintf(stdout, fmt_str, val);          \
  77 }
  78
  79 #define NET_DUMP_STR(name, fmt_str, str)                \
  80 {                                                       \
  81         if (json_output)                                \
  82                 jsonw_string_field(json_wtr, name, str);\
  83         else                                            \
  84                 fprintf(stdout, fmt_str, str);          \
  85 }
  86
  87 #define NET_DUMP_STR_ONLY(str)                          \
  88 {                                                       \
  89         if (json_output)                                \
  90                 jsonw_string(json_wtr, str);            \
  91         else                                            \
  92                 fprintf(stdout, "%s ", str);            \
  93 }
  94
  95 #endif