-/* Copyright (c) 2011 Nicira Networks.
+/* Copyright (c) 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <stdlib.h>
#include "flow.h"
+#include "ofp-actions.h"
#include "ofpbuf.h"
#include "random.h"
return slave ? slave->enabled : false;
}
-static struct nx_action_bundle *
+static struct ofpact_bundle *
parse_bundle_actions(char *actions)
{
- struct nx_action_bundle *nab;
- struct ofpbuf b;
+ struct ofpact_bundle *bundle;
+ struct ofpbuf ofpacts;
+ struct ofpact *action;
- ofpbuf_init(&b, 0);
- bundle_parse(&b, actions);
- nab = ofpbuf_steal_data(&b);
- ofpbuf_uninit(&b);
+ ofpbuf_init(&ofpacts, 0);
+ bundle_parse_load(actions, &ofpacts);
+ action = ofpacts.data;
+ bundle = ofpact_get_BUNDLE(xmemdup(action, action->len));
+ ofpbuf_uninit(&ofpacts);
- if (ntohs(nab->n_slaves) > MAX_SLAVES) {
+ if (bundle->n_slaves > MAX_SLAVES) {
ovs_fatal(0, "At most %u slaves are supported", MAX_SLAVES);
}
- return nab;
+ return bundle;
}
static const char *
main(int argc, char *argv[])
{
bool ok = true;
- struct nx_action_bundle *nab;
+ struct ofpact_bundle *bundle;
struct flow *flows;
size_t i, n_permute, old_n_enabled;
struct slave_group sg;
+ int old_active;
set_program_name(argv[0]);
random_init();
ovs_fatal(0, "usage: %s bundle_action", program_name);
}
- nab = parse_bundle_actions(argv[1]);
+ bundle = parse_bundle_actions(argv[1]);
/* Generate 'slaves' array. */
sg.n_slaves = 0;
- for (i = 0; i < ntohs(nab->n_slaves); i++) {
- uint16_t slave_id = bundle_get_slave(nab, i);
+ for (i = 0; i < bundle->n_slaves; i++) {
+ uint16_t slave_id = bundle->slaves[i];
if (slave_lookup(&sg, slave_id)) {
ovs_fatal(0, "Redundant slaves are not supported. ");
flows = xmalloc(N_FLOWS * sizeof *flows);
for (i = 0; i < N_FLOWS; i++) {
random_bytes(&flows[i], sizeof flows[i]);
+ memset(flows[i].zeros, 0, sizeof flows[i].zeros);
+ flows[i].mpls_depth = 0;
flows[i].regs[0] = OFPP_NONE;
}
* skip it by starting at i = 1. We do one extra iteration to cover
* transitioning from the final state back to the initial state. */
old_n_enabled = 0;
+ old_active = -1;
n_permute = 1 << sg.n_slaves;
for (i = 1; i <= n_permute + 1; i++) {
struct slave *slave;
size_t j, n_enabled, changed;
double disruption, perfect;
uint8_t mask;
+ int active;
mask = i % n_permute;
}
}
+ active = -1;
+ for (j = 0; j < sg.n_slaves; j++) {
+ if (sg.slaves[j].enabled) {
+ active = j;
+ break;
+ }
+ }
+
changed = 0;
for (j = 0; j < N_FLOWS; j++) {
struct flow *flow = &flows[j];
- uint16_t old_slave_id;
+ uint16_t old_slave_id, ofp_port;
old_slave_id = flow->regs[0];
- flow->regs[0] = bundle_execute(nab, flow, slave_enabled_cb, &sg);
+ ofp_port = bundle_execute(bundle, flow, slave_enabled_cb, &sg);
+ flow->regs[0] = ofp_port;
- if (flow->regs[0] != OFPP_NONE) {
- slave_lookup(&sg, flow->regs[0])->flow_count++;
+ if (ofp_port != OFPP_NONE) {
+ slave_lookup(&sg, ofp_port)->flow_count++;
}
- if (old_slave_id != flow->regs[0]) {
+ if (old_slave_id != ofp_port) {
changed++;
}
}
- if (old_n_enabled || n_enabled) {
- perfect = 1.0 / MAX(old_n_enabled, n_enabled);
+ if (bundle->algorithm == NX_BD_ALG_ACTIVE_BACKUP) {
+ perfect = active == old_active ? 0.0 : 1.0;
} else {
- /* This will happen when 'sg.n_slaves' is 0. */
- perfect = 0;
+ if (old_n_enabled || n_enabled) {
+ perfect = 1.0 / MAX(old_n_enabled, n_enabled);
+ } else {
+ /* This will happen when 'sg.n_slaves' is 0. */
+ perfect = 0;
+ }
}
disruption = changed / (double)N_FLOWS;
- printf("%s: disruption=%.2f (perfect=%.2f) ",
+ printf("%s: disruption=%.2f (perfect=%.2f)",
mask_str(mask, sg.n_slaves), disruption, perfect);
for (j = 0 ; j < sg.n_slaves; j++) {
double flow_percent;
flow_percent = slave->flow_count / (double)N_FLOWS;
- printf("%.2f ", flow_percent);
+ printf( " %.2f", flow_percent);
if (slave->enabled) {
- double perfect_fp = 1.0 / n_enabled;
+ double perfect_fp;
+
+ if (bundle->algorithm == NX_BD_ALG_ACTIVE_BACKUP) {
+ perfect_fp = j == active ? 1.0 : 0.0;
+ } else {
+ perfect_fp = 1.0 / n_enabled;
+ }
if (fabs(flow_percent - perfect_fp) >= .01) {
fprintf(stderr, "%s: slave %d: flow_percentage=%.5f for"
ok = false;
}
+ old_active = active;
old_n_enabled = n_enabled;
}
- free(nab);
+ free(bundle);
free(flows);
return ok ? 0 : 1;
}