OVS_VSWITCHD_STOP
AT_CLEANUP
+dnl Test that sFlow samples packets correctly.
+AT_SETUP([ofproto-dpif - sFlow packet sampling])
+AT_CHECK([perl $srcdir/choose-port.pl], [0], [stdout])
+SFLOW_PORT=`cat stdout`
+OVS_VSWITCHD_START([set Bridge br0 fail-mode=standalone])
+
+ovs-appctl time/stop
+
+ADD_OF_PORTS([br0], 1, 2)
+ovs-vsctl \
+ set Interface br0 options:ifindex=1002 -- \
+ set Interface p1 options:ifindex=1004 -- \
+ set Interface p2 options:ifindex=1003 -- \
+ set Bridge br0 sflow=@sf -- \
+ --id=@sf create sflow targets=\"127.0.0.1:$SFLOW_PORT\" \
+ header=128 sampling=1 polling=1
+ON_EXIT([kill `cat test-sflow.pid`])
+AT_CHECK([test-sflow --detach --no-chdir --pidfile $SFLOW_PORT:127.0.0.1 > sflow.log])
+AT_CAPTURE_FILE([sflow.log])
+
+dnl open with ARP packets to seed the bridge-learning. The output
+dnl ifIndex numbers should be reported predictably after that.
+dnl Since we set sampling=1 we should see all of these packets
+dnl reported. Sorting the output by data-source and seqNo makes
+dnl it deterministic. Ensuring that we send at least two packets
+dnl into each port means we get to check the seq nos are
+dnl incrementing correctly.
+
+ovs-appctl netdev-dummy/receive p1 'in_port(2),eth(src=50:54:00:00:00:05,dst=FF:FF:FF:FF:FF:FF),eth_type(0x0806),arp(sip=192.168.0.2,tip=192.168.0.1,op=1,sha=50:54:00:00:00:05,tha=00:00:00:00:00:00)'
+ovs-appctl netdev-dummy/receive p2 'in_port(1),eth(src=50:54:00:00:00:07,dst=FF:FF:FF:FF:FF:FF),eth_type(0x0806),arp(sip=192.168.0.1,tip=192.168.0.2,op=1,sha=50:54:00:00:00:07,tha=00:00:00:00:00:00)'
+ovs-appctl netdev-dummy/receive p1 'in_port(2),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'
+ovs-appctl netdev-dummy/receive p2 'in_port(1),eth(src=50:54:00:00:00:07,dst=50:54:00:00:00:05),eth_type(0x0800),ipv4(src=192.168.0.2,dst=192.168.0.1,proto=1,tos=0,ttl=64,frag=no),icmp(type=0,code=0)'
+ovs-appctl netdev-dummy/receive p2 'in_port(1),eth(src=50:54:00:00:00:07,dst=50:54:00:00:00:05),eth_type(0x86dd),ipv6(src=fe80::1,dst=fe80::2,label=0,proto=10,tclass=0x70,hlimit=128,frag=no)'
+
+dnl sleep long enough to get more than one counter sample
+dnl from each datasource so we can check sequence numbers
+for i in `seq 1 30`; do
+ ovs-appctl time/warp 100
+done
+OVS_VSWITCHD_STOP
+ovs-appctl -t test-sflow exit
+
+AT_CHECK([[sort sflow.log | $EGREP 'HEADER|ERROR' | sed 's/ /\
+ /g']], [0], [dnl
+HEADER
+ dgramSeqNo=1
+ ds=127.0.0.1>0:1003
+ fsSeqNo=1
+ in_vlan=0
+ in_priority=0
+ out_vlan=0
+ out_priority=0
+ meanSkip=1
+ samplePool=1
+ dropEvents=0
+ in_ifindex=1003
+ in_format=0
+ out_ifindex=2
+ out_format=2
+ hdr_prot=1
+ pkt_len=64
+ stripped=4
+ hdr_len=60
+ hdr=FF-FF-FF-FF-FF-FF-50-54-00-00-00-07-08-06-00-01-08-00-06-04-00-01-50-54-00-00-00-07-C0-A8-00-01-00-00-00-00-00-00-C0-A8-00-02-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
+HEADER
+ dgramSeqNo=1
+ ds=127.0.0.1>0:1003
+ fsSeqNo=2
+ in_vlan=0
+ in_priority=0
+ out_vlan=0
+ out_priority=0
+ meanSkip=1
+ samplePool=2
+ dropEvents=0
+ in_ifindex=1003
+ in_format=0
+ out_ifindex=1004
+ out_format=0
+ hdr_prot=1
+ pkt_len=64
+ stripped=4
+ hdr_len=60
+ hdr=50-54-00-00-00-05-50-54-00-00-00-07-08-00-45-00-00-1C-00-00-00-00-40-01-F9-8D-C0-A8-00-02-C0-A8-00-01-00-00-FF-FF-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
+HEADER
+ dgramSeqNo=1
+ ds=127.0.0.1>0:1003
+ fsSeqNo=3
+ in_vlan=0
+ in_priority=0
+ out_vlan=0
+ out_priority=0
+ meanSkip=1
+ samplePool=3
+ dropEvents=0
+ in_ifindex=1003
+ in_format=0
+ out_ifindex=1004
+ out_format=0
+ hdr_prot=1
+ pkt_len=64
+ stripped=4
+ hdr_len=60
+ hdr=50-54-00-00-00-05-50-54-00-00-00-07-86-DD-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
+HEADER
+ dgramSeqNo=1
+ ds=127.0.0.1>0:1004
+ fsSeqNo=1
+ in_vlan=0
+ in_priority=0
+ out_vlan=0
+ out_priority=0
+ meanSkip=1
+ samplePool=1
+ dropEvents=0
+ in_ifindex=1004
+ in_format=0
+ out_ifindex=2
+ out_format=2
+ hdr_prot=1
+ pkt_len=64
+ stripped=4
+ hdr_len=60
+ hdr=FF-FF-FF-FF-FF-FF-50-54-00-00-00-05-08-06-00-01-08-00-06-04-00-01-50-54-00-00-00-05-C0-A8-00-02-00-00-00-00-00-00-C0-A8-00-01-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
+HEADER
+ dgramSeqNo=1
+ ds=127.0.0.1>0:1004
+ fsSeqNo=2
+ in_vlan=0
+ in_priority=0
+ out_vlan=0
+ out_priority=0
+ meanSkip=1
+ samplePool=2
+ dropEvents=0
+ in_ifindex=1004
+ in_format=0
+ out_ifindex=1003
+ out_format=0
+ hdr_prot=1
+ pkt_len=64
+ stripped=4
+ hdr_len=60
+ hdr=50-54-00-00-00-07-50-54-00-00-00-05-08-00-45-00-00-1C-00-00-00-00-40-01-F9-8D-C0-A8-00-01-C0-A8-00-02-08-00-F7-FF-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
+])
+
+AT_CHECK([[sort sflow.log | $EGREP 'IFCOUNTERS|ERROR' | head -6 | sed 's/ /\
+ /g']], [0], [dnl
+IFCOUNTERS
+ dgramSeqNo=2
+ ds=127.0.0.1>0:1002
+ csSeqNo=1
+ ifindex=1002
+ type=6
+ ifspeed=100000000
+ direction=0
+ status=3
+ in_octets=0
+ in_unicasts=0
+ in_multicasts=0
+ in_broadcasts=4294967295
+ in_discards=0
+ in_errors=0
+ in_unknownprotos=4294967295
+ out_octets=120
+ out_unicasts=2
+ out_multicasts=4294967295
+ out_broadcasts=4294967295
+ out_discards=0
+ out_errors=0
+ promiscuous=0
+IFCOUNTERS
+ dgramSeqNo=2
+ ds=127.0.0.1>0:1003
+ csSeqNo=1
+ ifindex=1003
+ type=6
+ ifspeed=100000000
+ direction=0
+ status=0
+ in_octets=98
+ in_unicasts=3
+ in_multicasts=0
+ in_broadcasts=4294967295
+ in_discards=0
+ in_errors=0
+ in_unknownprotos=4294967295
+ out_octets=120
+ out_unicasts=2
+ out_multicasts=4294967295
+ out_broadcasts=4294967295
+ out_discards=0
+ out_errors=0
+ promiscuous=0
+IFCOUNTERS
+ dgramSeqNo=2
+ ds=127.0.0.1>0:1004
+ csSeqNo=1
+ ifindex=1004
+ type=6
+ ifspeed=100000000
+ direction=0
+ status=0
+ in_octets=84
+ in_unicasts=2
+ in_multicasts=0
+ in_broadcasts=4294967295
+ in_discards=0
+ in_errors=0
+ in_unknownprotos=4294967295
+ out_octets=180
+ out_unicasts=3
+ out_multicasts=4294967295
+ out_broadcasts=4294967295
+ out_discards=0
+ out_errors=0
+ promiscuous=0
+IFCOUNTERS
+ dgramSeqNo=3
+ ds=127.0.0.1>0:1002
+ csSeqNo=2
+ ifindex=1002
+ type=6
+ ifspeed=100000000
+ direction=0
+ status=3
+ in_octets=0
+ in_unicasts=0
+ in_multicasts=0
+ in_broadcasts=4294967295
+ in_discards=0
+ in_errors=0
+ in_unknownprotos=4294967295
+ out_octets=120
+ out_unicasts=2
+ out_multicasts=4294967295
+ out_broadcasts=4294967295
+ out_discards=0
+ out_errors=0
+ promiscuous=0
+IFCOUNTERS
+ dgramSeqNo=3
+ ds=127.0.0.1>0:1003
+ csSeqNo=2
+ ifindex=1003
+ type=6
+ ifspeed=100000000
+ direction=0
+ status=0
+ in_octets=98
+ in_unicasts=3
+ in_multicasts=0
+ in_broadcasts=4294967295
+ in_discards=0
+ in_errors=0
+ in_unknownprotos=4294967295
+ out_octets=120
+ out_unicasts=2
+ out_multicasts=4294967295
+ out_broadcasts=4294967295
+ out_discards=0
+ out_errors=0
+ promiscuous=0
+IFCOUNTERS
+ dgramSeqNo=3
+ ds=127.0.0.1>0:1004
+ csSeqNo=2
+ ifindex=1004
+ type=6
+ ifspeed=100000000
+ direction=0
+ status=0
+ in_octets=84
+ in_unicasts=2
+ in_multicasts=0
+ in_broadcasts=4294967295
+ in_discards=0
+ in_errors=0
+ in_unknownprotos=4294967295
+ out_octets=180
+ out_unicasts=3
+ out_multicasts=4294967295
+ out_broadcasts=4294967295
+ out_discards=0
+ out_errors=0
+ promiscuous=0
+])
+AT_CLEANUP
+
+
+
dnl Test that basic NetFlow reports flow statistics correctly:
dnl - The initial packet of a flow are correctly accounted.
dnl - Later packets within a flow are correctly accounted.
--- /dev/null
+/*
+ * Copyright (c) 2011, 2012 Nicira, Inc.
+ * Copyright (c) 2013 InMon Corp.
+ *
+ * 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 <errno.h>
+#include <getopt.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <setjmp.h>
+
+#include "command-line.h"
+#include "daemon.h"
+#include "dynamic-string.h"
+#include "netflow.h"
+#include "ofpbuf.h"
+#include "packets.h"
+#include "poll-loop.h"
+#include "socket-util.h"
+#include "unixctl.h"
+#include "util.h"
+#include "vlog.h"
+
+static void usage(void) NO_RETURN;
+static void parse_options(int argc, char *argv[]);
+
+static unixctl_cb_func test_sflow_exit;
+
+/* Datagram. */
+#define SFLOW_VERSION_5 5
+#define SFLOW_MIN_LEN 36
+#define SFLOW_MAX_AGENTIP_STRLEN 64
+
+/* Sample tag numbers. */
+#define SFLOW_FLOW_SAMPLE 1
+#define SFLOW_COUNTERS_SAMPLE 2
+#define SFLOW_FLOW_SAMPLE_EXPANDED 3
+#define SFLOW_COUNTERS_SAMPLE_EXPANDED 4
+
+/* Structure element tag numbers. */
+#define SFLOW_TAG_CTR_IFCOUNTERS 1
+#define SFLOW_TAG_PKT_HEADER 1
+#define SFLOW_TAG_PKT_SWITCH 1001
+
+struct sflow_addr {
+ enum {
+ SFLOW_ADDRTYPE_undefined = 0,
+ SFLOW_ADDRTYPE_IP4,
+ SFLOW_ADDRTYPE_IP6
+ } type;
+
+ union {
+ ovs_be32 ip4;
+ ovs_be32 ip6[4];
+ } a;
+};
+
+struct sflow_xdr {
+ /* Exceptions. */
+ jmp_buf env;
+ int errline;
+
+ /* Cursor. */
+ ovs_be32 *datap;
+ uint32_t i;
+ uint32_t quads;
+
+ /* Agent. */
+ struct sflow_addr agentAddr;
+ char agentIPStr[SFLOW_MAX_AGENTIP_STRLEN];
+ uint32_t subAgentId;
+ uint32_t uptime_mS;
+
+ /* Datasource. */
+ uint32_t dsClass;
+ uint32_t dsIndex;
+
+ /* Sequence numbers. */
+ uint32_t dgramSeqNo;
+ uint32_t fsSeqNo;
+ uint32_t csSeqNo;
+
+ /* Structure offsets. */
+ struct {
+ uint32_t HEADER;
+ uint32_t SWITCH;
+ uint32_t IFCOUNTERS;
+ } offset;
+
+ /* Flow sample fields. */
+ uint32_t meanSkipCount;
+ uint32_t samplePool;
+ uint32_t dropEvents;
+ uint32_t inputPortFormat;
+ uint32_t inputPort;
+ uint32_t outputPortFormat;
+ uint32_t outputPort;
+};
+
+#define SFLOWXDR_try(x) ((x->errline = setjmp(x->env)) == 0)
+#define SFLOWXDR_throw(x) longjmp(x->env, __LINE__)
+#define SFLOWXDR_assert(x, t) if (!(t)) SFLOWXDR_throw(x)
+
+static void
+sflowxdr_init(struct sflow_xdr *x, void *buf, size_t len)
+{
+ x->datap = buf;
+ x->quads = len >> 2;
+}
+
+static uint32_t
+sflowxdr_next(struct sflow_xdr *x)
+{
+ return ntohl(x->datap[x->i++]);
+}
+
+static ovs_be32
+sflowxdr_next_n(struct sflow_xdr *x)
+{
+ return x->datap[x->i++];
+}
+
+static bool
+sflowxdr_more(const struct sflow_xdr *x, uint32_t q)
+{
+ return q + x->i <= x->quads;
+}
+
+static void
+sflowxdr_skip(struct sflow_xdr *x, uint32_t q)
+{
+ x->i += q;
+}
+
+static uint32_t
+sflowxdr_mark(const struct sflow_xdr *x, uint32_t q)
+{
+ return x->i + q;
+}
+
+static bool
+sflowxdr_mark_ok(const struct sflow_xdr *x, uint32_t m)
+{
+ return m == x->i;
+}
+
+static void
+sflowxdr_mark_unique(struct sflow_xdr *x, uint32_t *pi)
+{
+ if (*pi) {
+ SFLOWXDR_throw(x);
+ }
+ *pi = x->i;
+}
+
+static void
+sflowxdr_setc(struct sflow_xdr *x, uint32_t j)
+{
+ x->i = j;
+}
+
+static const char *
+sflowxdr_str(const struct sflow_xdr *x)
+{
+ return (const char *) (x->datap + x->i);
+}
+
+static uint64_t
+sflowxdr_next_int64(struct sflow_xdr *x)
+{
+ uint64_t scratch;
+ scratch = sflowxdr_next(x);
+ scratch <<= 32;
+ scratch += sflowxdr_next(x);
+ return scratch;
+}
+
+static void
+process_counter_sample(struct sflow_xdr *x)
+{
+ if (x->offset.IFCOUNTERS) {
+ sflowxdr_setc(x, x->offset.IFCOUNTERS);
+ printf("IFCOUNTERS");
+ printf(" dgramSeqNo=%"PRIu32, x->dgramSeqNo);
+ printf(" ds=%s>%"PRIu32":%"PRIu32,
+ x->agentIPStr, x->dsClass, x->dsIndex);
+ printf(" csSeqNo=%"PRIu32, x->csSeqNo);
+ printf(" ifindex=%"PRIu32, sflowxdr_next(x));
+ printf(" type=%"PRIu32, sflowxdr_next(x));
+ printf(" ifspeed=%"PRIu64, sflowxdr_next_int64(x));
+ printf(" direction=%"PRIu32, sflowxdr_next(x));
+ printf(" status=%"PRIu32, sflowxdr_next(x));
+ printf(" in_octets=%"PRIu64, sflowxdr_next_int64(x));
+ printf(" in_unicasts=%"PRIu32, sflowxdr_next(x));
+ printf(" in_multicasts=%"PRIu32, sflowxdr_next(x));
+ printf(" in_broadcasts=%"PRIu32, sflowxdr_next(x));
+ printf(" in_discards=%"PRIu32, sflowxdr_next(x));
+ printf(" in_errors=%"PRIu32, sflowxdr_next(x));
+ printf(" in_unknownprotos=%"PRIu32, sflowxdr_next(x));
+ printf(" out_octets=%"PRIu64, sflowxdr_next_int64(x));
+ printf(" out_unicasts=%"PRIu32, sflowxdr_next(x));
+ printf(" out_multicasts=%"PRIu32, sflowxdr_next(x));
+ printf(" out_broadcasts=%"PRIu32, sflowxdr_next(x));
+ printf(" out_discards=%"PRIu32, sflowxdr_next(x));
+ printf(" out_errors=%"PRIu32, sflowxdr_next(x));
+ printf(" promiscuous=%"PRIu32, sflowxdr_next(x));
+ printf("\n");
+ }
+}
+
+static char
+bin_to_hex(int hexit)
+{
+ return "0123456789ABCDEF"[hexit];
+}
+
+static int
+print_hex(const char *a, int len, char *buf, int bufLen)
+{
+ unsigned char nextByte;
+ int b = 0;
+ int i;
+
+ for (i = 0; i < len; i++) {
+ if (b > bufLen - 10) {
+ break;
+ }
+ nextByte = a[i];
+ buf[b++] = bin_to_hex(nextByte >> 4);
+ buf[b++] = bin_to_hex(nextByte & 0x0f);
+ if (i < len - 1) {
+ buf[b++] = '-';
+ }
+ }
+ buf[b] = '\0';
+ return b;
+}
+
+#define SFLOW_HEX_SCRATCH 1024
+
+static void
+process_flow_sample(struct sflow_xdr *x)
+{
+ if (x->offset.HEADER) {
+ uint32_t headerLen;
+ char scratch[SFLOW_HEX_SCRATCH];
+
+ printf("HEADER");
+ printf(" dgramSeqNo=%"PRIu32, x->dgramSeqNo);
+ printf(" ds=%s>%"PRIu32":%"PRIu32,
+ x->agentIPStr, x->dsClass, x->dsIndex);
+ printf(" fsSeqNo=%"PRIu32, x->fsSeqNo);
+
+ if (x->offset.SWITCH) {
+ sflowxdr_setc(x, x->offset.SWITCH);
+ printf(" in_vlan=%"PRIu32, sflowxdr_next(x));
+ printf(" in_priority=%"PRIu32, sflowxdr_next(x));
+ printf(" out_vlan=%"PRIu32, sflowxdr_next(x));
+ printf(" out_priority=%"PRIu32, sflowxdr_next(x));
+ }
+
+ sflowxdr_setc(x, x->offset.HEADER);
+ printf(" meanSkip=%"PRIu32, x->meanSkipCount);
+ printf(" samplePool=%"PRIu32, x->samplePool);
+ printf(" dropEvents=%"PRIu32, x->dropEvents);
+ printf(" in_ifindex=%"PRIu32, x->inputPort);
+ printf(" in_format=%"PRIu32, x->inputPortFormat);
+ printf(" out_ifindex=%"PRIu32, x->outputPort);
+ printf(" out_format=%"PRIu32, x->outputPortFormat);
+ printf(" hdr_prot=%"PRIu32, sflowxdr_next(x));
+ printf(" pkt_len=%"PRIu32, sflowxdr_next(x));
+ printf(" stripped=%"PRIu32, sflowxdr_next(x));
+ headerLen = sflowxdr_next(x);
+ printf(" hdr_len=%"PRIu32, headerLen);
+ print_hex(sflowxdr_str(x), headerLen, scratch, SFLOW_HEX_SCRATCH);
+ printf(" hdr=%s", scratch);
+ printf("\n");
+ }
+}
+
+static void
+process_datagram(struct sflow_xdr *x)
+{
+ uint32_t samples, s;
+
+ SFLOWXDR_assert(x, (sflowxdr_next(x) == SFLOW_VERSION_5));
+
+ /* Read the sFlow header. */
+ x->agentAddr.type = sflowxdr_next(x);
+ switch (x->agentAddr.type) {
+ case SFLOW_ADDRTYPE_IP4:
+ x->agentAddr.a.ip4 = sflowxdr_next_n(x);
+ break;
+
+ case SFLOW_ADDRTYPE_IP6:
+ x->agentAddr.a.ip6[0] = sflowxdr_next_n(x);
+ x->agentAddr.a.ip6[1] = sflowxdr_next_n(x);
+ x->agentAddr.a.ip6[2] = sflowxdr_next_n(x);
+ x->agentAddr.a.ip6[3] = sflowxdr_next_n(x);
+ break;
+
+ case SFLOW_ADDRTYPE_undefined:
+ default:
+ SFLOWXDR_throw(x);
+ break;
+ }
+ x->subAgentId = sflowxdr_next(x);
+ x->dgramSeqNo = sflowxdr_next(x);
+ x->uptime_mS = sflowxdr_next(x);
+
+ /* Store the agent address as a string. */
+ if (x->agentAddr.type == SFLOW_ADDRTYPE_IP6) {
+ snprintf(x->agentIPStr, SFLOW_MAX_AGENTIP_STRLEN,
+ "%04x:%04x:%04x:%04x",
+ x->agentAddr.a.ip6[0],
+ x->agentAddr.a.ip6[1],
+ x->agentAddr.a.ip6[2],
+ x->agentAddr.a.ip6[3]);
+ } else {
+ snprintf(x->agentIPStr, SFLOW_MAX_AGENTIP_STRLEN,
+ IP_FMT, IP_ARGS(x->agentAddr.a.ip4));
+ }
+
+ /* Array of flow/counter samples. */
+ samples = sflowxdr_next(x);
+ for (s = 0; s < samples; s++) {
+ uint32_t sType = sflowxdr_next(x);
+ uint32_t sQuads = sflowxdr_next(x) >> 2;
+ uint32_t sMark = sflowxdr_mark(x, sQuads);
+ SFLOWXDR_assert(x, sflowxdr_more(x, sQuads));
+
+ switch (sType) {
+ case SFLOW_COUNTERS_SAMPLE_EXPANDED:
+ case SFLOW_COUNTERS_SAMPLE:
+ {
+ uint32_t csElements, e;
+ uint32_t ceTag, ceQuads, ceMark, csEnd;
+
+ x->csSeqNo = sflowxdr_next(x);
+ if (sType == SFLOW_COUNTERS_SAMPLE_EXPANDED) {
+ x->dsClass = sflowxdr_next(x);
+ x->dsIndex = sflowxdr_next(x);
+ } else {
+ uint32_t dsCombined = sflowxdr_next(x);
+ x->dsClass = dsCombined >> 24;
+ x->dsIndex = dsCombined & 0x00FFFFFF;
+ }
+
+ csElements = sflowxdr_next(x);
+ for (e = 0; e < csElements; e++) {
+ SFLOWXDR_assert(x, sflowxdr_more(x,2));
+ ceTag = sflowxdr_next(x);
+ ceQuads = sflowxdr_next(x) >> 2;
+ ceMark = sflowxdr_mark(x, ceQuads);
+ SFLOWXDR_assert(x, sflowxdr_more(x,ceQuads));
+ /* Only care about selected structures. Just record their
+ * offsets here. We'll read the fields out later. */
+ switch (ceTag) {
+ case SFLOW_TAG_CTR_IFCOUNTERS:
+ sflowxdr_mark_unique(x, &x->offset.IFCOUNTERS);
+ break;
+
+ /* Add others here... */
+ }
+
+ sflowxdr_skip(x, ceQuads);
+ SFLOWXDR_assert(x, sflowxdr_mark_ok(x, ceMark));
+ }
+
+ csEnd = sflowxdr_mark(x, 0);
+ process_counter_sample(x);
+ /* Make sure we pick up the decoding where we left off. */
+ sflowxdr_setc(x, csEnd);
+
+ /* Clear the offsets for the next sample. */
+ memset(&x->offset, 0, sizeof x->offset);
+ }
+ break;
+
+ case SFLOW_FLOW_SAMPLE:
+ case SFLOW_FLOW_SAMPLE_EXPANDED:
+ {
+ uint32_t fsElements, e;
+ uint32_t feTag, feQuads, feMark, fsEnd;
+ x->fsSeqNo = sflowxdr_next(x);
+ if (sType == SFLOW_FLOW_SAMPLE_EXPANDED) {
+ x->dsClass = sflowxdr_next(x);
+ x->dsIndex = sflowxdr_next(x);
+ } else {
+ uint32_t dsCombined = sflowxdr_next(x);
+ x->dsClass = dsCombined >> 24;
+ x->dsIndex = dsCombined & 0x00FFFFFF;
+ }
+ x->meanSkipCount = sflowxdr_next(x);
+ x->samplePool = sflowxdr_next(x);
+ x->dropEvents = sflowxdr_next(x);
+ if (sType == SFLOW_FLOW_SAMPLE_EXPANDED) {
+ x->inputPortFormat = sflowxdr_next(x);
+ x->inputPort = sflowxdr_next(x);
+ x->outputPortFormat = sflowxdr_next(x);
+ x->outputPort = sflowxdr_next(x);
+ } else {
+ uint32_t inp, outp;
+
+ inp = sflowxdr_next(x);
+ outp = sflowxdr_next(x);
+ x->inputPortFormat = inp >> 30;
+ x->inputPort = inp & 0x3fffffff;
+ x->outputPortFormat = outp >> 30;
+ x->outputPort = outp & 0x3fffffff;
+ }
+ fsElements = sflowxdr_next(x);
+ for (e = 0; e < fsElements; e++) {
+ SFLOWXDR_assert(x, sflowxdr_more(x,2));
+ feTag = sflowxdr_next(x);
+ feQuads = sflowxdr_next(x) >> 2;
+ feMark = sflowxdr_mark(x, feQuads);
+ SFLOWXDR_assert(x, sflowxdr_more(x,feQuads));
+ /* Only care about selected structures. Just record their
+ * offsets here. We'll read the fields out below. */
+ switch (feTag) {
+ case SFLOW_TAG_PKT_HEADER:
+ sflowxdr_mark_unique(x, &x->offset.HEADER);
+ break;
+
+ case SFLOW_TAG_PKT_SWITCH:
+ sflowxdr_mark_unique(x, &x->offset.SWITCH);
+ break;
+
+ /* Add others here... */
+ }
+
+ sflowxdr_skip(x, feQuads);
+ SFLOWXDR_assert(x, sflowxdr_mark_ok(x, feMark));
+ }
+
+ fsEnd = sflowxdr_mark(x, 0);
+ process_flow_sample(x);
+ /* Make sure we pick up the decoding where we left off. */
+ sflowxdr_setc(x, fsEnd);
+
+ /* Clear the offsets for the next counter/flow sample. */
+ memset(&x->offset, 0, sizeof x->offset);
+ }
+ break;
+
+ default:
+ /* Skip other sample types. */
+ sflowxdr_skip(x, sQuads);
+ }
+ SFLOWXDR_assert(x, sflowxdr_mark_ok(x, sMark));
+ }
+}
+
+static void
+print_sflow(struct ofpbuf *buf)
+{
+ char *dgram_buf;
+ int dgram_len = buf->size;
+ struct sflow_xdr xdrDatagram;
+ struct sflow_xdr *x = &xdrDatagram;
+
+ memset(x, 0, sizeof *x);
+ if (SFLOWXDR_try(x)) {
+ SFLOWXDR_assert(x, (dgram_buf = ofpbuf_try_pull(buf, buf->size)));
+ sflowxdr_init(x, dgram_buf, dgram_len);
+ SFLOWXDR_assert(x, dgram_len >= SFLOW_MIN_LEN);
+ process_datagram(x);
+ } else {
+ // CATCH
+ printf("\n>>>>> ERROR in " __FILE__ " at line %u\n", x->errline);
+ }
+}
+
+int
+main(int argc, char *argv[])
+{
+ struct unixctl_server *server;
+ enum { MAX_RECV = 1500 };
+ const char *target;
+ struct ofpbuf buf;
+ bool exiting = false;
+ int error;
+ int sock;
+
+ proctitle_init(argc, argv);
+ set_program_name(argv[0]);
+ parse_options(argc, argv);
+
+ if (argc - optind != 1) {
+ ovs_fatal(0, "exactly one non-option argument required "
+ "(use --help for help)");
+ }
+ target = argv[optind];
+
+ sock = inet_open_passive(SOCK_DGRAM, target, 0, NULL, 0);
+ if (sock < 0) {
+ ovs_fatal(0, "%s: failed to open (%s)", argv[1], strerror(-sock));
+ }
+
+ daemon_save_fd(STDOUT_FILENO);
+ daemonize_start();
+
+ error = unixctl_server_create(NULL, &server);
+ if (error) {
+ ovs_fatal(error, "failed to create unixctl server");
+ }
+ unixctl_command_register("exit", "", 0, 0, test_sflow_exit, &exiting);
+
+ daemonize_complete();
+
+ ofpbuf_init(&buf, MAX_RECV);
+ for (;;) {
+ int retval;
+
+ unixctl_server_run(server);
+
+ ofpbuf_clear(&buf);
+ do {
+ retval = read(sock, buf.data, buf.allocated);
+ } while (retval < 0 && errno == EINTR);
+ if (retval > 0) {
+ ofpbuf_put_uninit(&buf, retval);
+ print_sflow(&buf);
+ fflush(stdout);
+ }
+
+ if (exiting) {
+ break;
+ }
+
+ poll_fd_wait(sock, POLLIN);
+ unixctl_server_wait(server);
+ poll_block();
+ }
+
+ return 0;
+}
+
+static void
+parse_options(int argc, char *argv[])
+{
+ enum {
+ DAEMON_OPTION_ENUMS
+ };
+ static struct option long_options[] = {
+ {"verbose", optional_argument, NULL, 'v'},
+ {"help", no_argument, NULL, 'h'},
+ DAEMON_LONG_OPTIONS,
+ {NULL, 0, NULL, 0},
+ };
+ char *short_options = long_options_to_short_options(long_options);
+
+ for (;;) {
+ int c = getopt_long(argc, argv, short_options, long_options, NULL);
+ if (c == -1) {
+ break;
+ }
+
+ switch (c) {
+ case 'h':
+ usage();
+
+ case 'v':
+ vlog_set_verbosity(optarg);
+ break;
+
+ DAEMON_OPTION_HANDLERS
+
+ case '?':
+ exit(EXIT_FAILURE);
+
+ default:
+ abort();
+ }
+ }
+ free(short_options);
+}
+
+static void
+usage(void)
+{
+ printf("%s: sflow collector test utility\n"
+ "usage: %s [OPTIONS] PORT[:IP]\n"
+ "where PORT is the UDP port to listen on and IP is optionally\n"
+ "the IP address to listen on.\n",
+ program_name, program_name);
+ daemon_usage();
+ vlog_usage();
+ printf("\nOther options:\n"
+ " -h, --help display this help message\n");
+ exit(EXIT_SUCCESS);
+}
+
+static void
+test_sflow_exit(struct unixctl_conn *conn,
+ int argc OVS_UNUSED, const char *argv[] OVS_UNUSED,
+ void *exiting_)
+{
+ bool *exiting = exiting_;
+ *exiting = true;
+ unixctl_command_reply(conn, NULL);
+}
git://git.onelab.eu / sliver-openvswitch.git / commitdiff