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-rwxr-xr-xsrc/tools/vppapigen/vppapigen_c.py68
1 files changed, 21 insertions, 47 deletions
diff --git a/src/tools/vppapigen/vppapigen_c.py b/src/tools/vppapigen/vppapigen_c.py
index b55066db366..c2e1e7da7b7 100755
--- a/src/tools/vppapigen/vppapigen_c.py
+++ b/src/tools/vppapigen/vppapigen_c.py
@@ -1143,20 +1143,14 @@ ENDIAN_STRINGS = {
}
-def get_endian_string(o, type):
+def get_endian_string(o, fieldtype):
"""Return proper endian string conversion function"""
- try:
- if o.to_network:
- return ENDIAN_STRINGS[type].replace("net_to_host", "host_to_net")
- except:
- pass
- return ENDIAN_STRINGS[type]
+ return ENDIAN_STRINGS[fieldtype]
def endianfun_array(o):
"""Generate endian functions for arrays"""
forloop = """\
- {comment}
ASSERT((u32){length} <= (u32)VL_API_MAX_ARRAY_SIZE);
for (i = 0; i < {length}; i++) {{
a->{name}[i] = {format}(a->{name}[i]);
@@ -1165,31 +1159,26 @@ def endianfun_array(o):
forloop_format = """\
for (i = 0; i < {length}; i++) {{
- {type}_endian(&a->{name}[i]);
+ {type}_endian(&a->{name}[i], to_net);
}}
"""
- to_network_comment = ""
- try:
- if o.to_network:
- to_network_comment = """/*
- * Array fields processed first to handle variable length arrays and size
- * field endian conversion in the proper order for to-network messages.
- * Message fields have been sorted by type in the code generator, thus fields
- * in this generated code may be converted in a different order than specified
- * in the *.api file.
- */"""
- except:
- pass
-
output = ""
if o.fieldtype == "u8" or o.fieldtype == "string" or o.fieldtype == "bool":
output += " /* a->{n} = a->{n} (no-op) */\n".format(n=o.fieldname)
else:
lfield = "a->" + o.lengthfield if o.lengthfield else o.length
+ if o.lengthfield:
+ output += (
+ f" u32 count = to_net ? clib_host_to_net_u32(a->{o.lengthfield}) : "
+ f"a->{o.lengthfield};\n"
+ )
+ lfield = "count"
+ else:
+ lfield = o.length
+
if o.fieldtype in ENDIAN_STRINGS:
output += forloop.format(
- comment=to_network_comment,
length=lfield,
format=get_endian_string(o, o.fieldtype),
name=o.fieldname,
@@ -1222,7 +1211,7 @@ def endianfun_obj(o):
name=o.fieldname, format=get_endian_string(o, o.fieldtype)
)
elif o.fieldtype.startswith("vl_api_"):
- output += " {type}_endian(&a->{name});\n".format(
+ output += " {type}_endian(&a->{name}, to_net);\n".format(
type=o.fieldtype, name=o.fieldname
)
else:
@@ -1254,19 +1243,12 @@ def endianfun(objs, modulename):
output = output.format(module=modulename)
signature = """\
-static inline void vl_api_{name}_t_endian (vl_api_{name}_t *a)
+static inline void vl_api_{name}_t_endian (vl_api_{name}_t *a, bool to_net)
{{
int i __attribute__((unused));
"""
for t in objs:
- # Outbound (to network) messages are identified by message nomenclature
- # i.e. message names ending with these suffixes are 'to network'
- if t.name.endswith("_reply") or t.name.endswith("_details"):
- t.to_network = True
- else:
- t.to_network = False
-
if t.__class__.__name__ == "Enum" or t.__class__.__name__ == "EnumFlag":
output += signature.format(name=t.name)
if t.enumtype in ENDIAN_STRINGS:
@@ -1300,15 +1282,7 @@ static inline void vl_api_{name}_t_endian (vl_api_{name}_t *a)
output += signature.format(name=t.name)
- # For outbound (to network) messages:
- # some arrays have dynamic length -- iterate over
- # them before changing endianness for the length field
- # by making the Array types show up first
- if t.to_network:
- t.block.sort(key=lambda x: x.type)
-
for o in t.block:
- o.to_network = t.to_network
output += endianfun_obj(o)
output += "}\n\n"
@@ -1852,7 +1826,7 @@ api_{n} (cJSON *o)
}}
mp->_vl_msg_id = vac_get_msg_index(VL_API_{N}_CRC);
- vl_api_{n}_t_endian(mp);
+ vl_api_{n}_t_endian(mp, 1);
vac_write((char *)mp, len);
cJSON_free(mp);
@@ -1867,7 +1841,7 @@ api_{n} (cJSON *o)
return 0;
}}
vl_api_{r}_t *rmp = (vl_api_{r}_t *)p;
- vl_api_{r}_t_endian(rmp);
+ vl_api_{r}_t_endian(rmp, 0);
return vl_api_{r}_t_tojson(rmp);
}}
@@ -1885,7 +1859,7 @@ api_{n} (cJSON *o)
return 0;
}}
mp->_vl_msg_id = msg_id;
- vl_api_{n}_t_endian(mp);
+ vl_api_{n}_t_endian(mp, 1);
vac_write((char *)mp, len);
cJSON_free(mp);
@@ -1919,7 +1893,7 @@ api_{n} (cJSON *o)
return 0;
}}
vl_api_{r}_t *rmp = (vl_api_{r}_t *)p;
- vl_api_{r}_t_endian(rmp);
+ vl_api_{r}_t_endian(rmp, 0);
cJSON_AddItemToArray(reply, vl_api_{r}_t_tojson(rmp));
}}
}}
@@ -1941,7 +1915,7 @@ api_{n} (cJSON *o)
}}
mp->_vl_msg_id = msg_id;
- vl_api_{n}_t_endian(mp);
+ vl_api_{n}_t_endian(mp, 1);
vac_write((char *)mp, len);
cJSON_free(mp);
@@ -1962,14 +1936,14 @@ api_{n} (cJSON *o)
u16 msg_id = ntohs(*((u16 *)p));
if (msg_id == reply_msg_id) {{
vl_api_{r}_t *rmp = (vl_api_{r}_t *)p;
- vl_api_{r}_t_endian(rmp);
+ vl_api_{r}_t_endian(rmp, 0);
cJSON_AddItemToArray(reply, vl_api_{r}_t_tojson(rmp));
break;
}}
if (msg_id == details_msg_id) {{
vl_api_{d}_t *rmp = (vl_api_{d}_t *)p;
- vl_api_{d}_t_endian(rmp);
+ vl_api_{d}_t_endian(rmp, 0);
cJSON_AddItemToArray(reply, vl_api_{d}_t_tojson(rmp));
}}
}}