This commit adds a new commmand "ovs-ofctl parse-ofpraw" to ovs.
It allows user to parse undecoded raw OpenFlow messages into human
readable form. It can parse the output log of "ovs-appctl log/controller"
command.
Signed-off-by: Alex Wang <al...@nicira.com>
---
utilities/ovs-ofctl.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/utilities/ovs-ofctl.c b/utilities/ovs-ofctl.c
index 68b73bf..9f904e3 100644
--- a/utilities/ovs-ofctl.c
+++ b/utilities/ovs-ofctl.c
@@ -2911,6 +2911,34 @@ ofctl_encode_hello(int argc OVS_UNUSED, char *argv[])
ofpbuf_delete(hello);
}
+/* "parse-ofpraw file|-": Parses the undecoded raw OpenFlow message
+ * to human readable format. The argument is the file that contains
+ * the raw message or "-" for standard input. */
+static void
+ofctl_parse_ofpraw(int argc OVS_UNUSED, char *argv[])
+{
+ int line_number;
+ FILE *file;
+ struct ds s;
+
+ file = !strcmp(argv[1], "-") ? stdin : fopen(argv[1], "r");
+ if (file == NULL) {
+ fprintf(stderr, "%s: open failed (%s)",
+ argv[1], ovs_strerror(errno));
+ }
+
+ ds_init(&s);
+ line_number = 0;
+ while (!ds_get_preprocessed_line(&s, file, &line_number)) {
+ ofp_print(stdout, ds_cstr(&s), s.length, verbosity + 2);
+ }
+
+ ds_destroy(&s);
+ if (file != stdin) {
+ fclose(file);
+ }
+}
+
static const struct command all_commands[] = {
{ "show", 1, 1, ofctl_show },
{ "monitor", 1, 3, ofctl_monitor },
@@ -2948,6 +2976,7 @@ static const struct command all_commands[] = {
{ "parse-ofp11-match", 0, 0, ofctl_parse_ofp11_match },
{ "parse-ofp11-actions", 0, 0, ofctl_parse_ofp11_actions },
{ "parse-ofp11-instructions", 0, 0, ofctl_parse_ofp11_instructions },
+ { "parse-ofpraw", 1, 1, ofctl_parse_ofpraw },
{ "check-vlan", 2, 2, ofctl_check_vlan },
{ "print-error", 1, 1, ofctl_print_error },
{ "encode-error-reply", 2, 2, ofctl_encode_error_reply },
--
1.7.9.5
_______________________________________________
dev mailing list
dev@openvswitch.org
http://openvswitch.org/mailman/listinfo/dev
