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ovs/lib/ofp-print.c
Ben Pfaff e8fa940e4a ofp-print: Slightly extend ofp_print_bit_names(). 
In an upcoming commit I want to print comma-separated, not space-separated,
names for a set of bits.

Signed-off-by: Ben Pfaff <blp@nicira.com>
2012-07-12 14:12:56 -07:00

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/*
* Copyright (c) 2008, 2009, 2010, 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.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#include "ofp-print.h"
#include <errno.h>
#include <inttypes.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <sys/wait.h>
#include <stdarg.h>
#include <stdlib.h>
#include <ctype.h>
#include "bundle.h"
#include "byte-order.h"
#include "compiler.h"
#include "dynamic-string.h"
#include "flow.h"
#include "learn.h"
#include "multipath.h"
#include "meta-flow.h"
#include "netdev.h"
#include "nx-match.h"
#include "ofp-actions.h"
#include "ofp-errors.h"
#include "ofp-util.h"
#include "ofpbuf.h"
#include "openflow/openflow.h"
#include "openflow/nicira-ext.h"
#include "packets.h"
#include "pcap.h"
#include "type-props.h"
#include "unaligned.h"
#include "util.h"
static void ofp_print_queue_name(struct ds *string, uint32_t port);
static void ofp_print_error(struct ds *, enum ofperr);
/* Returns a string that represents the contents of the Ethernet frame in the
* 'len' bytes starting at 'data'. The caller must free the returned string.*/
char *
ofp_packet_to_string(const void *data, size_t len)
{
struct ds ds = DS_EMPTY_INITIALIZER;
struct ofpbuf buf;
struct flow flow;
ofpbuf_use_const(&buf, data, len);
flow_extract(&buf, 0, 0, 0, &flow);
flow_format(&ds, &flow);
if (buf.l7) {
if (flow.nw_proto == IPPROTO_TCP) {
struct tcp_header *th = buf.l4;
ds_put_format(&ds, " tcp_csum:%"PRIx16,
ntohs(th->tcp_csum));
} else if (flow.nw_proto == IPPROTO_UDP) {
struct udp_header *uh = buf.l4;
ds_put_format(&ds, " udp_csum:%"PRIx16,
ntohs(uh->udp_csum));
}
}
ds_put_char(&ds, '\n');
return ds_cstr(&ds);
}
static void
ofp_print_packet_in(struct ds *string, const struct ofp_header *oh,
int verbosity)
{
struct ofputil_packet_in pin;
int error;
int i;
error = ofputil_decode_packet_in(&pin, oh);
if (error) {
ofp_print_error(string, error);
return;
}
if (pin.table_id) {
ds_put_format(string, " table_id=%"PRIu8, pin.table_id);
}
if (pin.cookie) {
ds_put_format(string, " cookie=0x%"PRIx64, ntohll(pin.cookie));
}
ds_put_format(string, " total_len=%"PRIu16" in_port=", pin.total_len);
ofputil_format_port(pin.fmd.in_port, string);
if (pin.fmd.tun_id_mask) {
ds_put_format(string, " tun_id=0x%"PRIx64, ntohll(pin.fmd.tun_id));
if (pin.fmd.tun_id_mask != htonll(UINT64_MAX)) {
ds_put_format(string, "/0x%"PRIx64, ntohll(pin.fmd.tun_id_mask));
}
}
if (pin.fmd.metadata_mask) {
ds_put_format(string, " metadata=0x%"PRIx64, ntohll(pin.fmd.metadata));
if (pin.fmd.metadata_mask != htonll(UINT64_MAX)) {
ds_put_format(string, "/0x%"PRIx64, ntohll(pin.fmd.metadata_mask));
}
}
for (i = 0; i < FLOW_N_REGS; i++) {
if (pin.fmd.reg_masks[i]) {
ds_put_format(string, " reg%d=0x%"PRIx32, i, pin.fmd.regs[i]);
if (pin.fmd.reg_masks[i] != UINT32_MAX) {
ds_put_format(string, "/0x%"PRIx32, pin.fmd.reg_masks[i]);
}
}
}
ds_put_format(string, " (via %s)",
ofputil_packet_in_reason_to_string(pin.reason));
ds_put_format(string, " data_len=%zu", pin.packet_len);
if (pin.buffer_id == UINT32_MAX) {
ds_put_format(string, " (unbuffered)");
if (pin.total_len != pin.packet_len) {
ds_put_format(string, " (***total_len != data_len***)");
}
} else {
ds_put_format(string, " buffer=0x%08"PRIx32, pin.buffer_id);
if (pin.total_len < pin.packet_len) {
ds_put_format(string, " (***total_len < data_len***)");
}
}
ds_put_char(string, '\n');
if (verbosity > 0) {
char *packet = ofp_packet_to_string(pin.packet, pin.packet_len);
ds_put_cstr(string, packet);
free(packet);
}
}
static void
ofp_print_packet_out(struct ds *string, const struct ofp_packet_out *opo,
int verbosity)
{
struct ofputil_packet_out po;
struct ofpbuf ofpacts;
enum ofperr error;
ofpbuf_init(&ofpacts, 64);
error = ofputil_decode_packet_out(&po, opo, &ofpacts);
if (error) {
ofpbuf_uninit(&ofpacts);
ofp_print_error(string, error);
return;
}
ds_put_cstr(string, " in_port=");
ofputil_format_port(po.in_port, string);
ds_put_char(string, ' ');
ofpacts_format(po.ofpacts, po.ofpacts_len, string);
if (po.buffer_id == UINT32_MAX) {
ds_put_format(string, " data_len=%zu", po.packet_len);
if (verbosity > 0 && po.packet_len > 0) {
char *packet = ofp_packet_to_string(po.packet, po.packet_len);
ds_put_char(string, '\n');
ds_put_cstr(string, packet);
free(packet);
}
} else {
ds_put_format(string, " buffer=0x%08"PRIx32, po.buffer_id);
}
ds_put_char(string, '\n');
ofpbuf_uninit(&ofpacts);
}
/* qsort comparison function. */
static int
compare_ports(const void *a_, const void *b_)
{
const struct ofputil_phy_port *a = a_;
const struct ofputil_phy_port *b = b_;
uint16_t ap = a->port_no;
uint16_t bp = b->port_no;
return ap < bp ? -1 : ap > bp;
}
static void
ofp_print_bit_names(struct ds *string, uint32_t bits,
const char *(*bit_to_name)(uint32_t bit),
char separator)
{
int n = 0;
int i;
if (!bits) {
ds_put_cstr(string, "0");
return;
}
for (i = 0; i < 32; i++) {
uint32_t bit = UINT32_C(1) << i;
if (bits & bit) {
const char *name = bit_to_name(bit);
if (name) {
if (n++) {
ds_put_char(string, separator);
}
ds_put_cstr(string, name);
bits &= ~bit;
}
}
}
if (bits) {
if (n) {
ds_put_char(string, separator);
}
ds_put_format(string, "0x%"PRIx32, bits);
}
}
static const char *
netdev_feature_to_name(uint32_t bit)
{
enum netdev_features f = bit;
switch (f) {
case NETDEV_F_10MB_HD: return "10MB-HD";
case NETDEV_F_10MB_FD: return "10MB-FD";
case NETDEV_F_100MB_HD: return "100MB-HD";
case NETDEV_F_100MB_FD: return "100MB-FD";
case NETDEV_F_1GB_HD: return "1GB-HD";
case NETDEV_F_1GB_FD: return "1GB-FD";
case NETDEV_F_10GB_FD: return "10GB-FD";
case NETDEV_F_40GB_FD: return "40GB-FD";
case NETDEV_F_100GB_FD: return "100GB-FD";
case NETDEV_F_1TB_FD: return "1TB-FD";
case NETDEV_F_OTHER: return "OTHER";
case NETDEV_F_COPPER: return "COPPER";
case NETDEV_F_FIBER: return "FIBER";
case NETDEV_F_AUTONEG: return "AUTO_NEG";
case NETDEV_F_PAUSE: return "AUTO_PAUSE";
case NETDEV_F_PAUSE_ASYM: return "AUTO_PAUSE_ASYM";
}
return NULL;
}
static void
ofp_print_port_features(struct ds *string, enum netdev_features features)
{
ofp_print_bit_names(string, features, netdev_feature_to_name, ' ');
ds_put_char(string, '\n');
}
static const char *
ofputil_port_config_to_name(uint32_t bit)
{
enum ofputil_port_config pc = bit;
switch (pc) {
case OFPUTIL_PC_PORT_DOWN: return "PORT_DOWN";
case OFPUTIL_PC_NO_STP: return "NO_STP";
case OFPUTIL_PC_NO_RECV: return "NO_RECV";
case OFPUTIL_PC_NO_RECV_STP: return "NO_RECV_STP";
case OFPUTIL_PC_NO_FLOOD: return "NO_FLOOD";
case OFPUTIL_PC_NO_FWD: return "NO_FWD";
case OFPUTIL_PC_NO_PACKET_IN: return "NO_PACKET_IN";
}
return NULL;
}
static void
ofp_print_port_config(struct ds *string, enum ofputil_port_config config)
{
ofp_print_bit_names(string, config, ofputil_port_config_to_name, ' ');
ds_put_char(string, '\n');
}
static const char *
ofputil_port_state_to_name(uint32_t bit)
{
enum ofputil_port_state ps = bit;
switch (ps) {
case OFPUTIL_PS_LINK_DOWN: return "LINK_DOWN";
case OFPUTIL_PS_BLOCKED: return "BLOCKED";
case OFPUTIL_PS_LIVE: return "LIVE";
case OFPUTIL_PS_STP_LISTEN:
case OFPUTIL_PS_STP_LEARN:
case OFPUTIL_PS_STP_FORWARD:
case OFPUTIL_PS_STP_BLOCK:
/* Handled elsewhere. */
return NULL;
}
return NULL;
}
static void
ofp_print_port_state(struct ds *string, enum ofputil_port_state state)
{
enum ofputil_port_state stp_state;
/* The STP state is a 2-bit field so it doesn't fit in with the bitmask
* pattern. We have to special case it.
*
* OVS doesn't support STP, so this field will always be 0 if we are
* talking to OVS, so we'd always print STP_LISTEN in that case.
* Therefore, we don't print anything at all if the value is STP_LISTEN, to
* avoid confusing users. */
stp_state = state & OFPUTIL_PS_STP_MASK;
if (stp_state) {
ds_put_cstr(string,
(stp_state == OFPUTIL_PS_STP_LEARN ? "STP_LEARN"
: stp_state == OFPUTIL_PS_STP_FORWARD ? "STP_FORWARD"
: "STP_BLOCK"));
state &= ~OFPUTIL_PS_STP_MASK;
if (state) {
ofp_print_bit_names(string, state, ofputil_port_state_to_name,
' ');
}
} else {
ofp_print_bit_names(string, state, ofputil_port_state_to_name, ' ');
}
ds_put_char(string, '\n');
}
static void
ofp_print_phy_port(struct ds *string, const struct ofputil_phy_port *port)
{
char name[sizeof port->name];
int j;
memcpy(name, port->name, sizeof name);
for (j = 0; j < sizeof name - 1; j++) {
if (!isprint((unsigned char) name[j])) {
break;
}
}
name[j] = '\0';
ds_put_char(string, ' ');
ofputil_format_port(port->port_no, string);
ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT"\n",
name, ETH_ADDR_ARGS(port->hw_addr));
ds_put_cstr(string, " config: ");
ofp_print_port_config(string, port->config);
ds_put_cstr(string, " state: ");
ofp_print_port_state(string, port->state);
if (port->curr) {
ds_put_format(string, " current: ");
ofp_print_port_features(string, port->curr);
}
if (port->advertised) {
ds_put_format(string, " advertised: ");
ofp_print_port_features(string, port->advertised);
}
if (port->supported) {
ds_put_format(string, " supported: ");
ofp_print_port_features(string, port->supported);
}
if (port->peer) {
ds_put_format(string, " peer: ");
ofp_print_port_features(string, port->peer);
}
ds_put_format(string, " speed: %"PRIu32" Mbps now, "
"%"PRIu32" Mbps max\n",
port->curr_speed / UINT32_C(1000),
port->max_speed / UINT32_C(1000));
}
/* Given a buffer 'b' that contains an array of OpenFlow ports of type
* 'ofp_version', writes a detailed description of each port into
* 'string'. */
static void
ofp_print_phy_ports(struct ds *string, uint8_t ofp_version,
struct ofpbuf *b)
{
size_t n_ports;
struct ofputil_phy_port *ports;
enum ofperr error;
size_t i;
n_ports = ofputil_count_phy_ports(ofp_version, b);
ports = xmalloc(n_ports * sizeof *ports);
for (i = 0; i < n_ports; i++) {
error = ofputil_pull_phy_port(ofp_version, b, &ports[i]);
if (error) {
ofp_print_error(string, error);
goto exit;
}
}
qsort(ports, n_ports, sizeof *ports, compare_ports);
for (i = 0; i < n_ports; i++) {
ofp_print_phy_port(string, &ports[i]);
}
exit:
free(ports);
}
static const char *
ofputil_capabilities_to_name(uint32_t bit)
{
enum ofputil_capabilities capabilities = bit;
switch (capabilities) {
case OFPUTIL_C_FLOW_STATS: return "FLOW_STATS";
case OFPUTIL_C_TABLE_STATS: return "TABLE_STATS";
case OFPUTIL_C_PORT_STATS: return "PORT_STATS";
case OFPUTIL_C_IP_REASM: return "IP_REASM";
case OFPUTIL_C_QUEUE_STATS: return "QUEUE_STATS";
case OFPUTIL_C_ARP_MATCH_IP: return "ARP_MATCH_IP";
case OFPUTIL_C_STP: return "STP";
case OFPUTIL_C_GROUP_STATS: return "GROUP_STATS";
}
return NULL;
}
static const char *
ofputil_action_bitmap_to_name(uint32_t bit)
{
enum ofputil_action_bitmap action = bit;
switch (action) {
case OFPUTIL_A_OUTPUT: return "OUTPUT";
case OFPUTIL_A_SET_VLAN_VID: return "SET_VLAN_VID";
case OFPUTIL_A_SET_VLAN_PCP: return "SET_VLAN_PCP";
case OFPUTIL_A_STRIP_VLAN: return "STRIP_VLAN";
case OFPUTIL_A_SET_DL_SRC: return "SET_DL_SRC";
case OFPUTIL_A_SET_DL_DST: return "SET_DL_DST";
case OFPUTIL_A_SET_NW_SRC: return "SET_NW_SRC";
case OFPUTIL_A_SET_NW_DST: return "SET_NW_DST";
case OFPUTIL_A_SET_NW_ECN: return "SET_NW_ECN";
case OFPUTIL_A_SET_NW_TOS: return "SET_NW_TOS";
case OFPUTIL_A_SET_TP_SRC: return "SET_TP_SRC";
case OFPUTIL_A_SET_TP_DST: return "SET_TP_DST";
case OFPUTIL_A_ENQUEUE: return "ENQUEUE";
case OFPUTIL_A_COPY_TTL_OUT: return "COPY_TTL_OUT";
case OFPUTIL_A_COPY_TTL_IN: return "COPY_TTL_IN";
case OFPUTIL_A_SET_MPLS_LABEL: return "SET_MPLS_LABEL";
case OFPUTIL_A_SET_MPLS_TC: return "SET_MPLS_TC";
case OFPUTIL_A_SET_MPLS_TTL: return "SET_MPLS_TTL";
case OFPUTIL_A_DEC_MPLS_TTL: return "DEC_MPLS_TTL";
case OFPUTIL_A_PUSH_VLAN: return "PUSH_VLAN";
case OFPUTIL_A_POP_VLAN: return "POP_VLAN";
case OFPUTIL_A_PUSH_MPLS: return "PUSH_MPLS";
case OFPUTIL_A_POP_MPLS: return "POP_MPLS";
case OFPUTIL_A_SET_QUEUE: return "SET_QUEUE";
case OFPUTIL_A_GROUP: return "GROUP";
case OFPUTIL_A_SET_NW_TTL: return "SET_NW_TTL";
case OFPUTIL_A_DEC_NW_TTL: return "DEC_NW_TTL";
}
return NULL;
}
static void
ofp_print_switch_features(struct ds *string,
const struct ofp_switch_features *osf)
{
struct ofputil_switch_features features;
enum ofperr error;
struct ofpbuf b;
error = ofputil_decode_switch_features(osf, &features, &b);
if (error) {
ofp_print_error(string, error);
return;
}
ds_put_format(string, " dpid:%016"PRIx64"\n", features.datapath_id);
ds_put_format(string, "n_tables:%"PRIu8", n_buffers:%"PRIu32"\n",
features.n_tables, features.n_buffers);
ds_put_cstr(string, "capabilities: ");
ofp_print_bit_names(string, features.capabilities,
ofputil_capabilities_to_name, ' ');
ds_put_char(string, '\n');
ds_put_cstr(string, "actions: ");
ofp_print_bit_names(string, features.actions,
ofputil_action_bitmap_to_name, ' ');
ds_put_char(string, '\n');
ofp_print_phy_ports(string, osf->header.version, &b);
}
static void
ofp_print_switch_config(struct ds *string, const struct ofp_switch_config *osc)
{
enum ofp_config_flags flags;
flags = ntohs(osc->flags);
ds_put_format(string, " frags=%s", ofputil_frag_handling_to_string(flags));
flags &= ~OFPC_FRAG_MASK;
if (flags & OFPC_INVALID_TTL_TO_CONTROLLER) {
ds_put_format(string, " invalid_ttl_to_controller");
flags &= ~OFPC_INVALID_TTL_TO_CONTROLLER;
}
if (flags) {
ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
}
ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
}
static void print_wild(struct ds *string, const char *leader, int is_wild,
int verbosity, const char *format, ...)
__attribute__((format(printf, 5, 6)));
static void print_wild(struct ds *string, const char *leader, int is_wild,
int verbosity, const char *format, ...)
{
if (is_wild && verbosity < 2) {
return;
}
ds_put_cstr(string, leader);
if (!is_wild) {
va_list args;
va_start(args, format);
ds_put_format_valist(string, format, args);
va_end(args);
} else {
ds_put_char(string, '*');
}
ds_put_char(string, ',');
}
static void
print_ip_netmask(struct ds *string, const char *leader, ovs_be32 ip,
uint32_t wild_bits, int verbosity)
{
if (wild_bits >= 32 && verbosity < 2) {
return;
}
ds_put_cstr(string, leader);
if (wild_bits < 32) {
ds_put_format(string, IP_FMT, IP_ARGS(&ip));
if (wild_bits) {
ds_put_format(string, "/%d", 32 - wild_bits);
}
} else {
ds_put_char(string, '*');
}
ds_put_char(string, ',');
}
void
ofp10_match_print(struct ds *f, const struct ofp10_match *om, int verbosity)
{
char *s = ofp10_match_to_string(om, verbosity);
ds_put_cstr(f, s);
free(s);
}
char *
ofp10_match_to_string(const struct ofp10_match *om, int verbosity)
{
struct ds f = DS_EMPTY_INITIALIZER;
uint32_t w = ntohl(om->wildcards);
bool skip_type = false;
bool skip_proto = false;
if (!(w & OFPFW10_DL_TYPE)) {
skip_type = true;
if (om->dl_type == htons(ETH_TYPE_IP)) {
if (!(w & OFPFW10_NW_PROTO)) {
skip_proto = true;
if (om->nw_proto == IPPROTO_ICMP) {
ds_put_cstr(&f, "icmp,");
} else if (om->nw_proto == IPPROTO_TCP) {
ds_put_cstr(&f, "tcp,");
} else if (om->nw_proto == IPPROTO_UDP) {
ds_put_cstr(&f, "udp,");
} else {
ds_put_cstr(&f, "ip,");
skip_proto = false;
}
} else {
ds_put_cstr(&f, "ip,");
}
} else if (om->dl_type == htons(ETH_TYPE_ARP)) {
ds_put_cstr(&f, "arp,");
} else {
skip_type = false;
}
}
print_wild(&f, "in_port=", w & OFPFW10_IN_PORT, verbosity,
"%d", ntohs(om->in_port));
print_wild(&f, "dl_vlan=", w & OFPFW10_DL_VLAN, verbosity,
"%d", ntohs(om->dl_vlan));
print_wild(&f, "dl_vlan_pcp=", w & OFPFW10_DL_VLAN_PCP, verbosity,
"%d", om->dl_vlan_pcp);
print_wild(&f, "dl_src=", w & OFPFW10_DL_SRC, verbosity,
ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src));
print_wild(&f, "dl_dst=", w & OFPFW10_DL_DST, verbosity,
ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst));
if (!skip_type) {
print_wild(&f, "dl_type=", w & OFPFW10_DL_TYPE, verbosity,
"0x%04x", ntohs(om->dl_type));
}
print_ip_netmask(&f, "nw_src=", om->nw_src,
(w & OFPFW10_NW_SRC_MASK) >> OFPFW10_NW_SRC_SHIFT,
verbosity);
print_ip_netmask(&f, "nw_dst=", om->nw_dst,
(w & OFPFW10_NW_DST_MASK) >> OFPFW10_NW_DST_SHIFT,
verbosity);
if (!skip_proto) {
if (om->dl_type == htons(ETH_TYPE_ARP)) {
print_wild(&f, "arp_op=", w & OFPFW10_NW_PROTO, verbosity,
"%u", om->nw_proto);
} else {
print_wild(&f, "nw_proto=", w & OFPFW10_NW_PROTO, verbosity,
"%u", om->nw_proto);
}
}
print_wild(&f, "nw_tos=", w & OFPFW10_NW_TOS, verbosity,
"%u", om->nw_tos);
if (om->nw_proto == IPPROTO_ICMP) {
print_wild(&f, "icmp_type=", w & OFPFW10_ICMP_TYPE, verbosity,
"%d", ntohs(om->tp_src));
print_wild(&f, "icmp_code=", w & OFPFW10_ICMP_CODE, verbosity,
"%d", ntohs(om->tp_dst));
} else {
print_wild(&f, "tp_src=", w & OFPFW10_TP_SRC, verbosity,
"%d", ntohs(om->tp_src));
print_wild(&f, "tp_dst=", w & OFPFW10_TP_DST, verbosity,
"%d", ntohs(om->tp_dst));
}
if (ds_last(&f) == ',') {
f.length--;
}
return ds_cstr(&f);
}
static void
ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh,
enum ofputil_msg_code code, int verbosity)
{
struct ofputil_flow_mod fm;
struct ofpbuf ofpacts;
bool need_priority;
enum ofperr error;
ofpbuf_init(&ofpacts, 64);
error = ofputil_decode_flow_mod(&fm, oh, OFPUTIL_P_OF10_TID, &ofpacts);
if (error) {
ofpbuf_uninit(&ofpacts);
ofp_print_error(s, error);
return;
}
ds_put_char(s, ' ');
switch (fm.command) {
case OFPFC_ADD:
ds_put_cstr(s, "ADD");
break;
case OFPFC_MODIFY:
ds_put_cstr(s, "MOD");
break;
case OFPFC_MODIFY_STRICT:
ds_put_cstr(s, "MOD_STRICT");
break;
case OFPFC_DELETE:
ds_put_cstr(s, "DEL");
break;
case OFPFC_DELETE_STRICT:
ds_put_cstr(s, "DEL_STRICT");
break;
default:
ds_put_format(s, "cmd:%d", fm.command);
}
if (fm.table_id != 0) {
ds_put_format(s, " table:%d", fm.table_id);
}
ds_put_char(s, ' ');
if (verbosity >= 3 && code == OFPUTIL_OFPT_FLOW_MOD) {
const struct ofp_flow_mod *ofm = (const struct ofp_flow_mod *) oh;
ofp10_match_print(s, &ofm->match, verbosity);
/* ofp_print_match() doesn't print priority. */
need_priority = true;
} else if (verbosity >= 3 && code == OFPUTIL_NXT_FLOW_MOD) {
const struct nx_flow_mod *nfm = (const struct nx_flow_mod *) oh;
const void *nxm = nfm + 1;
char *nxm_s;
nxm_s = nx_match_to_string(nxm, ntohs(nfm->match_len));
ds_put_cstr(s, nxm_s);
free(nxm_s);
/* nx_match_to_string() doesn't print priority. */
need_priority = true;
} else {
cls_rule_format(&fm.cr, s);
/* cls_rule_format() does print priority. */
need_priority = false;
}
if (ds_last(s) != ' ') {
ds_put_char(s, ' ');
}
if (fm.new_cookie != htonll(0)) {
ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.new_cookie));
}
if (fm.cookie_mask != htonll(0)) {
ds_put_format(s, "cookie:0x%"PRIx64"/0x%"PRIx64" ",
ntohll(fm.cookie), ntohll(fm.cookie_mask));
}
if (fm.idle_timeout != OFP_FLOW_PERMANENT) {
ds_put_format(s, "idle:%"PRIu16" ", fm.idle_timeout);
}
if (fm.hard_timeout != OFP_FLOW_PERMANENT) {
ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout);
}
if (fm.cr.priority != OFP_DEFAULT_PRIORITY && need_priority) {
ds_put_format(s, "pri:%"PRIu16" ", fm.cr.priority);
}
if (fm.buffer_id != UINT32_MAX) {
ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id);
}
if (fm.out_port != OFPP_NONE) {
ds_put_format(s, "out_port:");
ofputil_format_port(fm.out_port, s);
ds_put_char(s, ' ');
}
if (fm.flags != 0) {
uint16_t flags = fm.flags;
if (flags & OFPFF_SEND_FLOW_REM) {
ds_put_cstr(s, "send_flow_rem ");
}
if (flags & OFPFF_CHECK_OVERLAP) {
ds_put_cstr(s, "check_overlap ");
}
if (flags & OFPFF_EMERG) {
ds_put_cstr(s, "emerg ");
}
flags &= ~(OFPFF_SEND_FLOW_REM | OFPFF_CHECK_OVERLAP | OFPFF_EMERG);
if (flags) {
ds_put_format(s, "flags:0x%"PRIx16" ", flags);
}
}
ofpacts_format(fm.ofpacts, fm.ofpacts_len, s);
ofpbuf_uninit(&ofpacts);
}
static void
ofp_print_duration(struct ds *string, unsigned int sec, unsigned int nsec)
{
ds_put_format(string, "%u", sec);
if (nsec > 0) {
ds_put_format(string, ".%09u", nsec);
while (string->string[string->length - 1] == '0') {
string->length--;
}
}
ds_put_char(string, 's');
}
static const char *
ofp_flow_removed_reason_to_string(enum ofp_flow_removed_reason reason)
{
static char s[32];
switch (reason) {
case OFPRR_IDLE_TIMEOUT:
return "idle";
case OFPRR_HARD_TIMEOUT:
return "hard";
case OFPRR_DELETE:
return "delete";
case OFPRR_GROUP_DELETE:
return "group_delete";
default:
sprintf(s, "%d", (int) reason);
return s;
}
}
static void
ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
{
struct ofputil_flow_removed fr;
enum ofperr error;
error = ofputil_decode_flow_removed(&fr, oh);
if (error) {
ofp_print_error(string, error);
return;
}
ds_put_char(string, ' ');
cls_rule_format(&fr.rule, string);
ds_put_format(string, " reason=%s",
ofp_flow_removed_reason_to_string(fr.reason));
if (fr.cookie != htonll(0)) {
ds_put_format(string, " cookie:0x%"PRIx64, ntohll(fr.cookie));
}
ds_put_cstr(string, " duration");
ofp_print_duration(string, fr.duration_sec, fr.duration_nsec);
ds_put_format(string, " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n",
fr.idle_timeout, fr.packet_count, fr.byte_count);
}
static void
ofp_print_port_mod(struct ds *string, const struct ofp_header *oh)
{
struct ofputil_port_mod pm;
enum ofperr error;
error = ofputil_decode_port_mod(oh, &pm);
if (error) {
ofp_print_error(string, error);
return;
}
ds_put_format(string, "port: %"PRIu16": addr:"ETH_ADDR_FMT"\n",
pm.port_no, ETH_ADDR_ARGS(pm.hw_addr));
ds_put_format(string, " config: ");
ofp_print_port_config(string, pm.config);
ds_put_format(string, " mask: ");
ofp_print_port_config(string, pm.mask);
ds_put_format(string, " advertise: ");
if (pm.advertise) {
ofp_print_port_features(string, pm.advertise);
} else {
ds_put_format(string, "UNCHANGED\n");
}
}
static void
ofp_print_error(struct ds *string, enum ofperr error)
{
if (string->length) {
ds_put_char(string, ' ');
}
ds_put_format(string, "***decode error: %s***\n", ofperr_get_name(error));
}
static void
ofp_print_error_msg(struct ds *string, const struct ofp_error_msg *oem)
{
size_t len = ntohs(oem->header.length);
size_t payload_ofs, payload_len;
const void *payload;
enum ofperr error;
char *s;
error = ofperr_decode_msg(&oem->header, &payload_ofs);
if (!error) {
ds_put_cstr(string, "***decode error***");
ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true);
return;
}
ds_put_format(string, " %s\n", ofperr_get_name(error));
payload = (const uint8_t *) oem + payload_ofs;
payload_len = len - payload_ofs;
if (error == OFPERR_OFPHFC_INCOMPATIBLE || error == OFPERR_OFPHFC_EPERM) {
ds_put_printable(string, payload, payload_len);
} else {
s = ofp_to_string(payload, payload_len, 1);
ds_put_cstr(string, s);
free(s);
}
}
static void
ofp_print_port_status(struct ds *string, const struct ofp_port_status *ops)
{
struct ofputil_port_status ps;
enum ofperr error;
error = ofputil_decode_port_status(ops, &ps);
if (error) {
ofp_print_error(string, error);
return;
}
if (ps.reason == OFPPR_ADD) {
ds_put_format(string, " ADD:");
} else if (ps.reason == OFPPR_DELETE) {
ds_put_format(string, " DEL:");
} else if (ps.reason == OFPPR_MODIFY) {
ds_put_format(string, " MOD:");
}
ofp_print_phy_port(string, &ps.desc);
}
static void
ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_desc_stats *ods)
{
ds_put_char(string, '\n');
ds_put_format(string, "Manufacturer: %.*s\n",
(int) sizeof ods->mfr_desc, ods->mfr_desc);
ds_put_format(string, "Hardware: %.*s\n",
(int) sizeof ods->hw_desc, ods->hw_desc);
ds_put_format(string, "Software: %.*s\n",
(int) sizeof ods->sw_desc, ods->sw_desc);
ds_put_format(string, "Serial Num: %.*s\n",
(int) sizeof ods->serial_num, ods->serial_num);
ds_put_format(string, "DP Description: %.*s\n",
(int) sizeof ods->dp_desc, ods->dp_desc);
}
static void
ofp_print_flow_stats_request(struct ds *string,
const struct ofp_stats_msg *osm)
{
struct ofputil_flow_stats_request fsr;
enum ofperr error;
error = ofputil_decode_flow_stats_request(&fsr, &osm->header);
if (error) {
ofp_print_error(string, error);
return;
}
if (fsr.table_id != 0xff) {
ds_put_format(string, " table=%"PRIu8, fsr.table_id);
}
if (fsr.out_port != OFPP_NONE) {
ds_put_cstr(string, " out_port=");
ofputil_format_port(fsr.out_port, string);
}
/* A flow stats request doesn't include a priority, but cls_rule_format()
* will print one unless it is OFP_DEFAULT_PRIORITY. */
fsr.match.priority = OFP_DEFAULT_PRIORITY;
ds_put_char(string, ' ');
cls_rule_format(&fsr.match, string);
}
void
ofp_print_flow_stats(struct ds *string, struct ofputil_flow_stats *fs)
{
ds_put_format(string, " cookie=0x%"PRIx64", duration=",
ntohll(fs->cookie));
ofp_print_duration(string, fs->duration_sec, fs->duration_nsec);
ds_put_format(string, ", table=%"PRIu8", ", fs->table_id);
ds_put_format(string, "n_packets=%"PRIu64", ", fs->packet_count);
ds_put_format(string, "n_bytes=%"PRIu64", ", fs->byte_count);
if (fs->idle_timeout != OFP_FLOW_PERMANENT) {
ds_put_format(string, "idle_timeout=%"PRIu16", ", fs->idle_timeout);
}
if (fs->hard_timeout != OFP_FLOW_PERMANENT) {
ds_put_format(string, "hard_timeout=%"PRIu16", ", fs->hard_timeout);
}
if (fs->idle_age >= 0) {
ds_put_format(string, "idle_age=%d, ", fs->idle_age);
}
if (fs->hard_age >= 0 && fs->hard_age != fs->duration_sec) {
ds_put_format(string, "hard_age=%d, ", fs->hard_age);
}
cls_rule_format(&fs->rule, string);
if (string->string[string->length - 1] != ' ') {
ds_put_char(string, ' ');
}
ofpacts_format(fs->ofpacts, fs->ofpacts_len, string);
}
static void
ofp_print_flow_stats_reply(struct ds *string, const struct ofp_header *oh)
{
struct ofpbuf ofpacts;
struct ofpbuf b;
ofpbuf_use_const(&b, oh, ntohs(oh->length));
ofpbuf_init(&ofpacts, 64);
for (;;) {
struct ofputil_flow_stats fs;
int retval;
retval = ofputil_decode_flow_stats_reply(&fs, &b, true, &ofpacts);
if (retval) {
if (retval != EOF) {
ds_put_cstr(string, " ***parse error***");
}
break;
}
ds_put_char(string, '\n');
ofp_print_flow_stats(string, &fs);
}
}
static void
ofp_print_ofpst_aggregate_reply(struct ds *string,
const struct ofp_aggregate_stats_reply *asr)
{
ds_put_format(string, " packet_count=%"PRIu64,
ntohll(get_32aligned_be64(&asr->packet_count)));
ds_put_format(string, " byte_count=%"PRIu64,
ntohll(get_32aligned_be64(&asr->byte_count)));
ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count));
}
static void
ofp_print_nxst_aggregate_reply(struct ds *string,
const struct nx_aggregate_stats_reply *nasr)
{
ds_put_format(string, " packet_count=%"PRIu64, ntohll(nasr->packet_count));
ds_put_format(string, " byte_count=%"PRIu64, ntohll(nasr->byte_count));
ds_put_format(string, " flow_count=%"PRIu32, ntohl(nasr->flow_count));
}
static void print_port_stat(struct ds *string, const char *leader,
const ovs_32aligned_be64 *statp, int more)
{
uint64_t stat = ntohll(get_32aligned_be64(statp));
ds_put_cstr(string, leader);
if (stat != UINT64_MAX) {
ds_put_format(string, "%"PRIu64, stat);
} else {
ds_put_char(string, '?');
}
if (more) {
ds_put_cstr(string, ", ");
} else {
ds_put_cstr(string, "\n");
}
}
static void
ofp_print_ofpst_port_request(struct ds *string,
const struct ofp_port_stats_request *psr)
{
ds_put_format(string, " port_no=%"PRIu16, ntohs(psr->port_no));
}
static void
ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
int verbosity)
{
const struct ofp_port_stats *ps = ofputil_stats_body(oh);
size_t n = ofputil_stats_body_len(oh) / sizeof *ps;
ds_put_format(string, " %zu ports\n", n);
if (verbosity < 1) {
return;
}
for (; n--; ps++) {
ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no));
ds_put_cstr(string, "rx ");
print_port_stat(string, "pkts=", &ps->rx_packets, 1);
print_port_stat(string, "bytes=", &ps->rx_bytes, 1);
print_port_stat(string, "drop=", &ps->rx_dropped, 1);
print_port_stat(string, "errs=", &ps->rx_errors, 1);
print_port_stat(string, "frame=", &ps->rx_frame_err, 1);
print_port_stat(string, "over=", &ps->rx_over_err, 1);
print_port_stat(string, "crc=", &ps->rx_crc_err, 0);
ds_put_cstr(string, " tx ");
print_port_stat(string, "pkts=", &ps->tx_packets, 1);
print_port_stat(string, "bytes=", &ps->tx_bytes, 1);
print_port_stat(string, "drop=", &ps->tx_dropped, 1);
print_port_stat(string, "errs=", &ps->tx_errors, 1);
print_port_stat(string, "coll=", &ps->collisions, 0);
}
}
static void
ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh,
int verbosity)
{
const struct ofp_table_stats *ts = ofputil_stats_body(oh);
size_t n = ofputil_stats_body_len(oh) / sizeof *ts;
ds_put_format(string, " %zu tables\n", n);
if (verbosity < 1) {
return;
}
for (; n--; ts++) {
char name[OFP_MAX_TABLE_NAME_LEN + 1];
ovs_strlcpy(name, ts->name, sizeof name);
ds_put_format(string, " %d: %-8s: ", ts->table_id, name);
ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards));
ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
ds_put_cstr(string, " ");
ds_put_format(string, "lookup=%"PRIu64", ",
ntohll(get_32aligned_be64(&ts->lookup_count)));
ds_put_format(string, "matched=%"PRIu64"\n",
ntohll(get_32aligned_be64(&ts->matched_count)));
}
}
static void
ofp_print_queue_name(struct ds *string, uint32_t queue_id)
{
if (queue_id == OFPQ_ALL) {
ds_put_cstr(string, "ALL");
} else {
ds_put_format(string, "%"PRIu32, queue_id);
}
}
static void
ofp_print_ofpst_queue_request(struct ds *string,
const struct ofp_queue_stats_request *qsr)
{
ds_put_cstr(string, "port=");
ofputil_format_port(ntohs(qsr->port_no), string);
ds_put_cstr(string, " queue=");
ofp_print_queue_name(string, ntohl(qsr->queue_id));
}
static void
ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
int verbosity)
{
const struct ofp_queue_stats *qs = ofputil_stats_body(oh);
size_t n = ofputil_stats_body_len(oh) / sizeof *qs;
ds_put_format(string, " %zu queues\n", n);
if (verbosity < 1) {
return;
}
for (; n--; qs++) {
ds_put_cstr(string, " port ");
ofputil_format_port(ntohs(qs->port_no), string);
ds_put_cstr(string, " queue ");
ofp_print_queue_name(string, ntohl(qs->queue_id));
ds_put_cstr(string, ": ");
print_port_stat(string, "bytes=", &qs->tx_bytes, 1);
print_port_stat(string, "pkts=", &qs->tx_packets, 1);
print_port_stat(string, "errors=", &qs->tx_errors, 0);
}
}
static void
ofp_print_ofpst_port_desc_reply(struct ds *string,
const struct ofp_header *oh)
{
struct ofpbuf b;
ofpbuf_use_const(&b, oh, ntohs(oh->length));
ofpbuf_pull(&b, sizeof(struct ofp_stats_msg));
ds_put_char(string, '\n');
ofp_print_phy_ports(string, oh->version, &b);
}
static void
ofp_print_stats_request(struct ds *string, const struct ofp_header *oh)
{
const struct ofp_stats_msg *srq = (const struct ofp_stats_msg *) oh;
if (srq->flags) {
ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***",
ntohs(srq->flags));
}
}
static void
ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh)
{
const struct ofp_stats_msg *srp = (const struct ofp_stats_msg *) oh;
if (srp->flags) {
uint16_t flags = ntohs(srp->flags);
ds_put_cstr(string, " flags=");
if (flags & OFPSF_REPLY_MORE) {
ds_put_cstr(string, "[more]");
flags &= ~OFPSF_REPLY_MORE;
}
if (flags) {
ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
flags);
}
}
}
static void
ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
{
size_t len = ntohs(oh->length);
ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh);
if (verbosity > 1) {
ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
}
}
static void
ofp_print_nxt_role_message(struct ds *string,
const struct nx_role_request *nrr)
{
unsigned int role = ntohl(nrr->role);
ds_put_cstr(string, " role=");
if (role == NX_ROLE_OTHER) {
ds_put_cstr(string, "other");
} else if (role == NX_ROLE_MASTER) {
ds_put_cstr(string, "master");
} else if (role == NX_ROLE_SLAVE) {
ds_put_cstr(string, "slave");
} else {
ds_put_format(string, "%u", role);
}
}
static void
ofp_print_nxt_flow_mod_table_id(struct ds *string,
const struct nx_flow_mod_table_id *nfmti)
{
ds_put_format(string, " %s", nfmti->set ? "enable" : "disable");
}
static void
ofp_print_nxt_set_flow_format(struct ds *string,
const struct nx_set_flow_format *nsff)
{
uint32_t format = ntohl(nsff->format);
ds_put_cstr(string, " format=");
if (ofputil_nx_flow_format_is_valid(format)) {
ds_put_cstr(string, ofputil_nx_flow_format_to_string(format));
} else {
ds_put_format(string, "%"PRIu32, format);
}
}
static void
ofp_print_nxt_set_packet_in_format(struct ds *string,
const struct nx_set_packet_in_format *nspf)
{
uint32_t format = ntohl(nspf->format);
ds_put_cstr(string, " format=");
if (ofputil_packet_in_format_is_valid(format)) {
ds_put_cstr(string, ofputil_packet_in_format_to_string(format));
} else {
ds_put_format(string, "%"PRIu32, format);
}
}
static const char *
ofp_port_reason_to_string(enum ofp_port_reason reason)
{
static char s[32];
switch (reason) {
case OFPPR_ADD:
return "add";
case OFPPR_DELETE:
return "delete";
case OFPPR_MODIFY:
return "modify";
default:
sprintf(s, "%d", (int) reason);
return s;
}
}
static void
ofp_print_nxt_set_async_config(struct ds *string,
const struct nx_async_config *nac)
{
int i;
for (i = 0; i < 2; i++) {
int j;
ds_put_format(string, "\n %s:\n", i == 0 ? "master" : "slave");
ds_put_cstr(string, " PACKET_IN:");
for (j = 0; j < 32; j++) {
if (nac->packet_in_mask[i] & htonl(1u << j)) {
ds_put_format(string, " %s",
ofputil_packet_in_reason_to_string(j));
}
}
if (!nac->packet_in_mask[i]) {
ds_put_cstr(string, " (off)");
}
ds_put_char(string, '\n');
ds_put_cstr(string, " PORT_STATUS:");
for (j = 0; j < 32; j++) {
if (nac->port_status_mask[i] & htonl(1u << j)) {
ds_put_format(string, " %s", ofp_port_reason_to_string(j));
}
}
if (!nac->port_status_mask[i]) {
ds_put_cstr(string, " (off)");
}
ds_put_char(string, '\n');
ds_put_cstr(string, " FLOW_REMOVED:");
for (j = 0; j < 32; j++) {
if (nac->flow_removed_mask[i] & htonl(1u << j)) {
ds_put_format(string, " %s",
ofp_flow_removed_reason_to_string(j));
}
}
if (!nac->flow_removed_mask[i]) {
ds_put_cstr(string, " (off)");
}
ds_put_char(string, '\n');
}
}
static void
ofp_print_nxt_set_controller_id(struct ds *string,
const struct nx_controller_id *nci)
{
ds_put_format(string, " id=%"PRIu16, ntohs(nci->controller_id));
}
void
ofp_print_version(const struct ofp_header *oh,
struct ds *string)
{
switch (oh->version) {
case OFP10_VERSION:
break;
case OFP11_VERSION:
ds_put_cstr(string, " (OF1.1)");
break;
case OFP12_VERSION:
ds_put_cstr(string, " (OF1.2)");
break;
default:
ds_put_format(string, " (OF 0x%02"PRIx8")", oh->version);
break;
}
ds_put_format(string, " (xid=0x%"PRIx32"):", ntohl(oh->xid));
}
static void
ofp_to_string__(const struct ofp_header *oh,
const struct ofputil_msg_type *type, struct ds *string,
int verbosity)
{
enum ofputil_msg_code code;
const void *msg = oh;
ds_put_cstr(string, ofputil_msg_type_name(type));
ofp_print_version(oh, string);
code = ofputil_msg_type_code(type);
switch (code) {
case OFPUTIL_MSG_INVALID:
break;
case OFPUTIL_OFPT_HELLO:
ds_put_char(string, '\n');
ds_put_hex_dump(string, oh + 1, ntohs(oh->length) - sizeof *oh,
0, true);
break;
case OFPUTIL_OFPT_ERROR:
ofp_print_error_msg(string, msg);
break;
case OFPUTIL_OFPT_ECHO_REQUEST:
case OFPUTIL_OFPT_ECHO_REPLY:
ofp_print_echo(string, oh, verbosity);
break;
case OFPUTIL_OFPT_FEATURES_REQUEST:
break;
case OFPUTIL_OFPT_FEATURES_REPLY:
ofp_print_switch_features(string, msg);
break;
case OFPUTIL_OFPT_GET_CONFIG_REQUEST:
break;
case OFPUTIL_OFPT_GET_CONFIG_REPLY:
case OFPUTIL_OFPT_SET_CONFIG:
ofp_print_switch_config(string, msg);
break;
case OFPUTIL_OFPT_PACKET_IN:
case OFPUTIL_NXT_PACKET_IN:
ofp_print_packet_in(string, msg, verbosity);
break;
case OFPUTIL_OFPT_FLOW_REMOVED:
case OFPUTIL_NXT_FLOW_REMOVED:
ofp_print_flow_removed(string, msg);
break;
case OFPUTIL_OFPT_PORT_STATUS:
ofp_print_port_status(string, msg);
break;
case OFPUTIL_OFPT_PACKET_OUT:
ofp_print_packet_out(string, msg, verbosity);
break;
case OFPUTIL_OFPT_FLOW_MOD:
case OFPUTIL_NXT_FLOW_MOD:
ofp_print_flow_mod(string, msg, code, verbosity);
break;
case OFPUTIL_OFPT_PORT_MOD:
ofp_print_port_mod(string, msg);
break;
case OFPUTIL_OFPT_BARRIER_REQUEST:
case OFPUTIL_OFPT_BARRIER_REPLY:
break;
case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REQUEST:
case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REPLY:
/* XXX */
break;
case OFPUTIL_OFPST_DESC_REQUEST:
case OFPUTIL_OFPST_PORT_DESC_REQUEST:
ofp_print_stats_request(string, oh);
break;
case OFPUTIL_OFPST_FLOW_REQUEST:
case OFPUTIL_NXST_FLOW_REQUEST:
case OFPUTIL_OFPST_AGGREGATE_REQUEST:
case OFPUTIL_NXST_AGGREGATE_REQUEST:
ofp_print_stats_request(string, oh);
ofp_print_flow_stats_request(string, msg);
break;
case OFPUTIL_OFPST_TABLE_REQUEST:
ofp_print_stats_request(string, oh);
break;
case OFPUTIL_OFPST_PORT_REQUEST:
ofp_print_stats_request(string, oh);
ofp_print_ofpst_port_request(string, msg);
break;
case OFPUTIL_OFPST_QUEUE_REQUEST:
ofp_print_stats_request(string, oh);
ofp_print_ofpst_queue_request(string, msg);
break;
case OFPUTIL_OFPST_DESC_REPLY:
ofp_print_stats_reply(string, oh);
ofp_print_ofpst_desc_reply(string, msg);
break;
case OFPUTIL_OFPST_FLOW_REPLY:
case OFPUTIL_NXST_FLOW_REPLY:
ofp_print_stats_reply(string, oh);
ofp_print_flow_stats_reply(string, oh);
break;
case OFPUTIL_OFPST_QUEUE_REPLY:
ofp_print_stats_reply(string, oh);
ofp_print_ofpst_queue_reply(string, oh, verbosity);
break;
case OFPUTIL_OFPST_PORT_REPLY:
ofp_print_stats_reply(string, oh);
ofp_print_ofpst_port_reply(string, oh, verbosity);
break;
case OFPUTIL_OFPST_TABLE_REPLY:
ofp_print_stats_reply(string, oh);
ofp_print_ofpst_table_reply(string, oh, verbosity);
break;
case OFPUTIL_OFPST_AGGREGATE_REPLY:
ofp_print_stats_reply(string, oh);
ofp_print_ofpst_aggregate_reply(string, msg);
break;
case OFPUTIL_OFPST_PORT_DESC_REPLY:
ofp_print_stats_reply(string, oh);
ofp_print_ofpst_port_desc_reply(string, oh);
break;
case OFPUTIL_NXT_ROLE_REQUEST:
case OFPUTIL_NXT_ROLE_REPLY:
ofp_print_nxt_role_message(string, msg);
break;
case OFPUTIL_NXT_FLOW_MOD_TABLE_ID:
ofp_print_nxt_flow_mod_table_id(string, msg);
break;
case OFPUTIL_NXT_SET_FLOW_FORMAT:
ofp_print_nxt_set_flow_format(string, msg);
break;
case OFPUTIL_NXT_SET_PACKET_IN_FORMAT:
ofp_print_nxt_set_packet_in_format(string, msg);
break;
case OFPUTIL_NXT_FLOW_AGE:
break;
case OFPUTIL_NXT_SET_CONTROLLER_ID:
ofp_print_nxt_set_controller_id(string, msg);
break;
case OFPUTIL_NXT_SET_ASYNC_CONFIG:
ofp_print_nxt_set_async_config(string, msg);
break;
case OFPUTIL_NXST_AGGREGATE_REPLY:
ofp_print_stats_reply(string, oh);
ofp_print_nxst_aggregate_reply(string, msg);
break;
}
}
/* Composes and returns a string representing the OpenFlow packet of 'len'
* bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of
* verbosity and higher numbers increase verbosity. The caller is responsible
* for freeing the string. */
char *
ofp_to_string(const void *oh_, size_t len, int verbosity)
{
struct ds string = DS_EMPTY_INITIALIZER;
const struct ofp_header *oh = oh_;
if (!len) {
ds_put_cstr(&string, "OpenFlow message is empty\n");
} else if (len < sizeof(struct ofp_header)) {
ds_put_format(&string, "OpenFlow packet too short (only %zu bytes):\n",
len);
} else if (ntohs(oh->length) > len) {
ds_put_format(&string,
"(***truncated to %zu bytes from %"PRIu16"***)\n",
len, ntohs(oh->length));
} else if (ntohs(oh->length) < len) {
ds_put_format(&string,
"(***only uses %"PRIu16" bytes out of %zu***)\n",
ntohs(oh->length), len);
} else {
const struct ofputil_msg_type *type;
enum ofperr error;
error = ofputil_decode_msg_type(oh, &type);
if (!error) {
ofp_to_string__(oh, type, &string, verbosity);
if (verbosity >= 5) {
if (ds_last(&string) != '\n') {
ds_put_char(&string, '\n');
}
ds_put_hex_dump(&string, oh, len, 0, true);
}
if (ds_last(&string) != '\n') {
ds_put_char(&string, '\n');
}
return ds_steal_cstr(&string);
}
ofp_print_error(&string, error);
}
ds_put_hex_dump(&string, oh, len, 0, true);
return ds_steal_cstr(&string);
}
static void
print_and_free(FILE *stream, char *string)
{
fputs(string, stream);
free(string);
}
/* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the
* given 'verbosity' level. 0 is a minimal amount of verbosity and higher
* numbers increase verbosity. */
void
ofp_print(FILE *stream, const void *oh, size_t len, int verbosity)
{
print_and_free(stream, ofp_to_string(oh, len, verbosity));
}
/* Dumps the contents of the Ethernet frame in the 'len' bytes starting at
* 'data' to 'stream'. */
void
ofp_print_packet(FILE *stream, const void *data, size_t len)
{
print_and_free(stream, ofp_packet_to_string(data, len));
}
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