[firefly] [PATCH 6/6] lib/ofp-print: add support for printing role status messages

[Alexandru Copot]

Signed-off-by: Alexandru Copot <alex.mihai.c at gmail.com>
---
 lib/ofp-print.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/lib/ofp-print.c b/lib/ofp-print.c
index 0feabe1..1894778 100644
--- a/lib/ofp-print.c
+++ b/lib/ofp-print.c
@@ -1886,6 +1886,56 @@ ofp_print_role_message(struct ds *string, const struct ofp_header *oh)
 }
 
 static void
+ofp_print_role_status_message(struct ds *string, const struct ofp_header *oh)
+{
+    struct ofputil_role_status rs;
+    enum ofperr error;
+
+    error = ofputil_decode_role_status(oh, &rs);
+    if (error) {
+        ofp_print_error(string, error);
+        return;
+    }
+
+    ds_put_cstr(string, "role=");
+
+    switch (rs.role) {
+    case OFPCR12_ROLE_NOCHANGE:
+        ds_put_cstr(string, "nochange");
+        break;
+    case OFPCR12_ROLE_EQUAL:
+        ds_put_cstr(string, "equal"); /* OF 1.2 wording */
+        break;
+    case OFPCR12_ROLE_MASTER:
+        ds_put_cstr(string, "master");
+        break;
+    case OFPCR12_ROLE_SLAVE:
+        ds_put_cstr(string, "slave");
+        break;
+    default:
+        NOT_REACHED();
+    }
+
+    ds_put_cstr(string, " reason=");
+
+    switch (rs.reason) {
+    case OFPCRR_MASTER_REQUEST:
+        ds_put_cstr(string, "master_request");
+        break;
+    case OFPCRR_CONFIG:
+        ds_put_cstr(string, "configuration_changed");
+        break;
+    case OFPCRR_EXPERIMENTER:
+        ds_put_cstr(string, "experimenter_data_changed");
+        break;
+    default:
+        NOT_REACHED();
+    }
+
+    ds_put_format(string, " generation_id=%"PRIu64, rs.generation_id);
+}
+
+static void
 ofp_print_nxt_flow_mod_table_id(struct ds *string,
                                 const struct nx_flow_mod_table_id *nfmti)
 {
@@ -2491,6 +2541,7 @@ ofp_to_string__(const struct ofp_header *oh, enum ofpraw raw,
         ofp_print_role_message(string, oh);
         break;
     case OFPTYPE_ROLE_STATUS:
+        ofp_print_role_status_message(string, oh);
         break;
 
     case OFPTYPE_METER_STATS_REQUEST:
-- 
1.8.4