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ofproto: Better abstract aggregate stats encoding and decoding.

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This commit is contained in:
Ben Pfaff
2011-05-26 16:02:56 -07:00
parent 63f2140a55
commit 76c93b2274
4 changed files with 69 additions and 93 deletions
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31
lib/ofp-util.c
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@@ -1231,6 +1231,37 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs,
return 0;
}
/* Converts abstract ofputil_aggregate_stats 'stats' into an OFPST_AGGREGATE or
* NXST_AGGREGATE reply according to 'flow_format', and returns the message. */
struct ofpbuf *
ofputil_encode_aggregate_stats_reply(
const struct ofputil_aggregate_stats *stats,
const struct ofp_stats_msg *request)
{
struct ofpbuf *msg;
if (request->type == htons(OFPST_AGGREGATE)) {
struct ofp_aggregate_stats_reply *asr;
asr = ofputil_make_stats_reply(sizeof *asr, request, &msg);
put_32aligned_be64(&asr->packet_count, htonll(stats->packet_count));
put_32aligned_be64(&asr->byte_count, htonll(stats->byte_count));
asr->flow_count = htonl(stats->flow_count);
} else if (request->type == htons(OFPST_VENDOR)) {
struct nx_aggregate_stats_reply *nasr;
nasr = ofputil_make_stats_reply(sizeof *nasr, request, &msg);
assert(nasr->nsm.subtype == htonl(NXST_AGGREGATE));
nasr->packet_count = htonll(stats->packet_count);
nasr->byte_count = htonll(stats->byte_count);
nasr->flow_count = htonl(stats->flow_count);
} else {
NOT_REACHED();
}
return msg;
}
/* Converts an OFPT_FLOW_REMOVED or NXT_FLOW_REMOVED message 'oh' into an
* abstract ofputil_flow_removed in 'fr'. Returns 0 if successful, otherwise
* an OpenFlow error code. */