API: Add service definitions for events and singleton messages.

Change-Id: I7de987c30b263d43521e6280c5273f30b5f6e11c
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/vpp-api/vapi/vapi_c_gen.py b/src/vpp-api/vapi/vapi_c_gen.py
index 4b7da6a1f15..60c54e4f031 100755
--- a/src/vpp-api/vapi/vapi_c_gen.py
+++ b/src/vpp-api/vapi/vapi_c_gen.py
@@ -70,6 +70,13 @@ class CStruct(Struct):
     def __init__(self, name, fields):
         super(CStruct, self).__init__(name, fields)
 
+    def duplicate_barrier(func):
+        def func_wrapper(self):
+            name = self.get_c_name()
+            return "#ifndef defined_{}\n#define defined_{}\n{}\n#endif".format(name, name, func(self))
+        return func_wrapper
+
+    @duplicate_barrier
     def get_c_def(self):
         return "\n".join([
             "typedef struct __attribute__((__packed__)) {",
@@ -271,6 +278,13 @@ class CMessage (Message):
             "}",
         ])
 
+    def duplicate_barrier(func):
+        def func_wrapper(self):
+            name = self.get_payload_struct_name()
+            return "#ifndef defined_{}\n#define defined_{}\n{}\n#endif".format(name, name, func(self))
+        return func_wrapper
+
+    @duplicate_barrier
     def get_c_def(self):
         if self.has_payload():
             return "\n".join([
@@ -585,9 +599,12 @@ def gen_json_unified_header(parser, logger, j, io, name):
     print("")
     function_attrs = "static inline "
     for t in parser.types_by_json[j].values():
+        print("#ifndef defined_inline_%s" % t.get_c_name())
+        print("#define defined_inline_%s" % t.get_c_name())
         print("%s%s" % (function_attrs, t.get_swap_to_be_func_def()))
         print("")
         print("%s%s" % (function_attrs, t.get_swap_to_host_func_def()))
+        print("#endif")
         print("")
     for m in parser.messages_by_json[j].values():
         if m.has_payload():