X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvpp-api%2Fvapi%2Fvapi_c_gen.py;h=60c54e4f031821cacd189a178b1636b580b50a54;hb=refs%2Fchanges%2F73%2F10973%2F1;hp=d7a7272adff999e3d3466b4eeddef82a7d5a0ba2;hpb=958b750ceaf6c20466bc4e5605da39b4490847d9;p=vpp.git

diff --git a/src/vpp-api/vapi/vapi_c_gen.py b/src/vpp-api/vapi/vapi_c_gen.py
index d7a7272adff..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([
@@ -504,11 +518,11 @@ class CMessage (Message):
             '    offsetof(%s, context),' % self.header.get_c_name()
             if has_context else '    0,',
             ('    offsetof(%s, payload),' % self.get_c_name())
-            if self.has_payload() else '    ~0,',
+            if self.has_payload() else '    INVALID_MSG_ID,',
             '    sizeof(%s),' % self.get_c_name(),
             '    (generic_swap_fn_t)%s,' % self.get_swap_to_be_func_name(),
             '    (generic_swap_fn_t)%s,' % self.get_swap_to_host_func_name(),
-            '    ~0,',
+            '    INVALID_MSG_ID,',
             '  };',
             '',
             '  %s = vapi_register_msg(&%s);' %
@@ -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():