lib/ofp-version-opt.c

   1 #include <config.h>
   2 #include "ofp-util.h"
   3 #include "ofp-version-opt.h"
   4 #include "ovs-thread.h"
   5 #include "vlog.h"
   6 #include "dynamic-string.h"
   7
   8 VLOG_DEFINE_THIS_MODULE(ofp_version);
   9
  10 static uint32_t allowed_versions = 0;
  11
  12 uint32_t
  13 get_allowed_ofp_versions(void)
  14 {
  15     return allowed_versions ? allowed_versions : OFPUTIL_DEFAULT_VERSIONS;
  16 }
  17
  18 void
  19 set_allowed_ofp_versions(const char *string)
  20 {
  21     assert_single_threaded();
  22     allowed_versions = ofputil_versions_from_string(string);
  23 }
  24
  25 void
  26 mask_allowed_ofp_versions(uint32_t bitmap)
  27 {
  28     assert_single_threaded();
  29     allowed_versions &= bitmap;
  30 }
  31
  32 void
  33 ofp_version_usage(void)
  34 {
  35     struct ds msg = DS_EMPTY_INITIALIZER;
  36
  37     ofputil_format_version_bitmap_names(&msg, OFPUTIL_DEFAULT_VERSIONS);
  38     printf(
  39         "\nOpen Flow Version options:\n"
  40         "  -V, --version           display version information\n"
  41         "  -O, --protocols         set allowed Open Flow versions\n"
  42         "                          (default: %s)\n",
  43         ds_cstr(&msg));
  44     ds_destroy(&msg);
  45 }