An upcoming commit will make use of this.
Signed-off-by: Ben Pfaff <b...@nicira.com>
---
build-aux/extract-ofp-msgs | 9 +++++++++
lib/ofp-msgs.c | 9 ++++++++-
lib/ofp-msgs.h | 5 ++++-
3 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/build-aux/extract-ofp-msgs b/build-aux/extract-ofp-msgs
index 0ccd64e..b00039d 100755
--- a/build-aux/extract-ofp-msgs
+++ b/build-aux/extract-ofp-msgs
@@ -246,6 +246,7 @@ def extract_ofp_msgs(output_file_name):
if re.match('enum ofptype', line):
break
+ all_types = []
while True:
get_line()
if re.match(r'\s*/?\*', line) or line.isspace():
@@ -280,6 +281,8 @@ def extract_ofp_msgs(output_file_name):
% (raw, all_raws[raw]["ofptype"]))
all_raws[raw]["ofptype"] = ofptype
+ all_types.append(all_raws[raws[0]]["human_name"])
+
input_file.close()
if n_errors:
@@ -346,6 +349,12 @@ def extract_ofp_msgs(output_file_name):
% r["human_name"])
output.append("};")
+ output.append("");
+ output.append("static const char *type_names[] = {");
+ for t in all_types:
+ output.append(" \"%s\"," % t)
+ output.append("};")
+
if n_errors:
sys.exit(1)
diff --git a/lib/ofp-msgs.c b/lib/ofp-msgs.c
index 4d14ff9..3a120e2 100644
--- a/lib/ofp-msgs.c
+++ b/lib/ofp-msgs.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2012, 2013, 2014 Nicira, Inc.
+ * Copyright (c) 2012, 2013, 2014, 2015 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -824,6 +824,13 @@ ofptype_from_ofpraw(enum ofpraw raw)
{
return raw_info_get(raw)->type;
}
+
+const char *
+ofptype_get_name(enum ofptype type)
+{
+ ovs_assert(type < ARRAY_SIZE(type_names));
+ return type_names[type];
+}
/* Updates the 'length' field of the OpenFlow message in 'buf' to
* 'buf->size'. */
diff --git a/lib/ofp-msgs.h b/lib/ofp-msgs.h
index 29729c0..3d9fedf 100644
--- a/lib/ofp-msgs.h
+++ b/lib/ofp-msgs.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2012, 2013, 2014 Nicira, Inc.
+ * Copyright (c) 2012, 2013, 2014, 2015 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -653,6 +653,9 @@ enum ofptype {
enum ofperr ofptype_decode(enum ofptype *, const struct ofp_header *);
enum ofperr ofptype_pull(enum ofptype *, struct ofpbuf *);
enum ofptype ofptype_from_ofpraw(enum ofpraw);
+
+/* Information about OFTYPE_* values. */
+const char *ofptype_get_name(enum ofptype);
/* OpenFlow message properties. */
void ofpmsg_update_length(struct ofpbuf *);
--
2.1.3
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