Permalink
Fetching contributors…
Cannot retrieve contributors at this time
1247 lines (1204 sloc) 48.6 KB
// Copyright 2014 Google, Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file in the root of the source
// tree.
package layers
import (
"github.com/google/gopacket"
"net"
"reflect"
"testing"
)
// Test packet collected from live network. See the test below for contents
var SFlowTestPacket1 = []byte{
0x84, 0x2b, 0x2b, 0x16, 0x8b, 0x62, 0xf0, 0x50, 0x56, 0x85, 0x3a, 0xfd, 0x08, 0x00, 0x45, 0x00,
0x05, 0xbc, 0x9c, 0x04, 0x40, 0x00, 0xff, 0x11, 0xc7, 0x00, 0x0a, 0x01, 0xff, 0x0e, 0x0a, 0x01,
0x00, 0x1b, 0xc7, 0x57, 0x18, 0xc7, 0x05, 0xa8, 0x22, 0x3b, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00,
0x00, 0x01, 0x0a, 0x01, 0xf8, 0x16, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x9d, 0xfb, 0x40, 0x49,
0xc6, 0xcd, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xd0, 0x00, 0x26,
0x27, 0xe8, 0x00, 0x00, 0x02, 0x13, 0x00, 0x00, 0x3e, 0x80, 0x50, 0xbd, 0xe5, 0x80, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x02, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x05, 0xd2, 0x00, 0x00,
0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x3c, 0x8a, 0xb0, 0xe7, 0x54, 0x41, 0xb8, 0xca, 0x3a, 0x6d,
0xf0, 0x40, 0x08, 0x00, 0x45, 0x00, 0x05, 0xc0, 0x6b, 0xaa, 0x40, 0x00, 0x40, 0x06, 0x8f, 0x41,
0x0a, 0x01, 0x0e, 0x16, 0x36, 0xf0, 0xeb, 0x45, 0x76, 0xfd, 0x00, 0x50, 0xca, 0x77, 0xef, 0x96,
0xfc, 0x28, 0x63, 0x40, 0x50, 0x10, 0x00, 0x3c, 0x64, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00,
0xf4, 0x00, 0x00, 0x02, 0x77, 0x00, 0x00, 0x00, 0xfd, 0x3b, 0x8c, 0xe7, 0x04, 0x4a, 0x2d, 0xb2,
0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x01, 0x48, 0xcc, 0x11, 0x0d, 0xe3, 0x00,
0x26, 0x85, 0x30, 0x00, 0x00, 0x07, 0x66, 0x00, 0x02, 0xd0, 0x8a, 0x00, 0x02, 0xce, 0xf0, 0x00,
0x29, 0x7e, 0x80, 0x00, 0x02, 0xd0, 0x98, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x26, 0x85, 0x30, 0x00,
0x00, 0x00, 0xf4, 0x00, 0x00, 0x02, 0x00, 0x00, 0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0xd0, 0x01, 0x5e, 0x5c, 0x1e, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
0x07, 0xd0, 0xb1, 0x2f, 0xa2, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x05, 0xee, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x3c, 0x8a,
0xb0, 0xe7, 0x54, 0x41, 0xb8, 0xca, 0x3a, 0x6f, 0xbe, 0xd8, 0x08, 0x00, 0x45, 0x00, 0x05, 0xdc,
0x9f, 0xfd, 0x40, 0x00, 0x40, 0x06, 0x6a, 0xfa, 0x0a, 0x01, 0x0e, 0x10, 0x0a, 0x01, 0x08, 0x13,
0x23, 0x84, 0xb7, 0x22, 0x8a, 0xc9, 0x50, 0xb5, 0x4e, 0x10, 0x2a, 0x87, 0x80, 0x10, 0x06, 0x01,
0x10, 0xa6, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xef, 0x1f, 0xf4, 0x07, 0x99, 0x3a, 0xd8, 0x5b,
0x01, 0x46, 0x09, 0x00, 0x0c, 0x00, 0x0c, 0x3c, 0xac, 0x4a, 0x1b, 0x06, 0x04, 0x78, 0x78, 0x4e,
0xc2, 0x05, 0x46, 0x43, 0x06, 0x04, 0x78, 0x78, 0xee, 0x9c, 0x00, 0x41, 0xef, 0x05, 0x81, 0x32,
0x1b, 0x06, 0x04, 0x78, 0x78, 0x56, 0x72, 0x05, 0x4e, 0x92, 0x00, 0x96, 0x39, 0x00, 0xea, 0x3f,
0x01, 0x15, 0xa3, 0x08, 0x04, 0x42, 0x6a, 0x82, 0x87, 0x08, 0x05, 0xcc, 0x00, 0x04, 0x00, 0x00,
0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xd0, 0x01, 0x5a,
0xcd, 0xd0, 0x00, 0x00, 0x02, 0x55, 0x00, 0x00, 0x07, 0xd0, 0x95, 0x67, 0xe1, 0x30, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x02, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x04, 0x46, 0x00, 0x00,
0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x3c, 0x8a, 0xb0, 0xe7, 0x54, 0x41, 0xb8, 0xca, 0x3a, 0x6f,
0x11, 0x28, 0x08, 0x00, 0x45, 0x00, 0x04, 0x34, 0xdb, 0x36, 0x40, 0x00, 0x40, 0x06, 0x38, 0xac,
0x0a, 0x01, 0x0e, 0x11, 0x0a, 0x01, 0x00, 0xcf, 0x23, 0x84, 0xa0, 0x3f, 0x3c, 0xce, 0xd5, 0x4a,
0x72, 0x0b, 0x5d, 0x1a, 0x80, 0x10, 0x06, 0x01, 0x8a, 0x50, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a,
0xef, 0x1f, 0xa2, 0xba, 0xe6, 0xfa, 0xae, 0xb3, 0xfe, 0xcf, 0x00, 0x19, 0xcf, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0xb9, 0x79, 0xdd, 0x42, 0x00, 0x00, 0x02, 0x84, 0x9b, 0xa9, 0x02, 0xe2, 0x00,
0x00, 0x00, 0x00, 0x00, 0x06, 0x32, 0x39, 0x35, 0x34, 0x33, 0x36, 0x00, 0x00, 0x02, 0x70, 0xcd,
0x16, 0x40, 0xa6, 0x98, 0x88, 0x24, 0x06, 0x50, 0xb0, 0xf4, 0xee, 0x03, 0xa6, 0xfa, 0x87, 0xaf,
0xc1, 0x99, 0x52, 0x0d, 0x07, 0xa8, 0x00, 0x00, 0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x02, 0x00, 0x00, 0x00, 0xa8, 0x00, 0x00, 0x20, 0xf2, 0x00, 0x00, 0x02, 0x0a, 0x00, 0x00,
0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x58, 0x00, 0x00, 0x02, 0x0a, 0x00, 0x00,
0x00, 0x06, 0x00, 0x00, 0x00, 0x02, 0x54, 0x0b, 0xe4, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
0x00, 0x03, 0x00, 0x01, 0x29, 0x82, 0x6d, 0xb0, 0x6c, 0x0b, 0xcb, 0x0d, 0xdd, 0x96, 0x00, 0x06,
0xa8, 0xc6, 0x00, 0x00, 0x00, 0x7b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x34, 0x02, 0x35, 0x58, 0x7c, 0x9e, 0x56, 0x64, 0x25, 0x71, 0x00, 0x70,
0x5a, 0xc4, 0x00, 0x09, 0x08, 0xf1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0xd0, 0x01, 0x5e, 0x5c, 0x1f, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
0x07, 0xd0, 0xb1, 0x2f, 0xaa, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x05, 0xee, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x3c, 0x8a,
0xb0, 0xe7, 0x54, 0x41, 0xb8, 0xca, 0x3a, 0x6f, 0xbe, 0xd8, 0x08, 0x00, 0x45, 0x00, 0x05, 0xdc,
0x0f, 0xba, 0x40, 0x00, 0x40, 0x06, 0xf4, 0x3f, 0x0a, 0x01, 0x0e, 0x10, 0x0a, 0x01, 0x0f, 0x11,
0x23, 0x84, 0xcd, 0xc0, 0xf4, 0x0e, 0x90, 0x23, 0xd7, 0x32, 0x8b, 0x31, 0x80, 0x10, 0x00, 0x1d,
0x6b, 0x12, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xef, 0x1f, 0xf4, 0x28, 0xef, 0x1f, 0xec, 0x76,
0xaa, 0x25, 0x01, 0x04, 0xc0, 0xac, 0xfe, 0x25, 0x01, 0x8e, 0x25, 0x01, 0x16, 0xc7, 0x28, 0xfe,
0x7e, 0x70, 0xfe, 0x7e, 0x70, 0x52, 0x7e, 0x70, 0x15, 0x9b, 0xfe, 0x35, 0x01, 0xfe, 0x35, 0x01,
0x42, 0x35, 0x01, 0xfe, 0x95, 0x77, 0xfe, 0x95, 0x77, 0xfe, 0x95, 0x77, 0x52, 0x95, 0x77, 0x00,
0xd2, 0xfe, 0x70, 0x02, 0x92, 0x70, 0x02, 0x16, 0x60, 0x22, 0x00, 0x7e, 0xb2, 0x15, 0x00, 0x00,
0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xd0, 0x01, 0x5a,
0xcd, 0xd1, 0x00, 0x00, 0x02, 0x55, 0x00, 0x00, 0x07, 0xd0, 0x95, 0x67, 0xe9, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x02, 0x55, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x05, 0xee, 0x00, 0x00,
0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0xb8, 0xca, 0x3a, 0x6f, 0xbe, 0xd8, 0xb8, 0xca, 0x3a, 0x6f,
0x11, 0x28, 0x08, 0x00, 0x45, 0x00, 0x05, 0xdc, 0xfe, 0x05, 0x40, 0x00, 0x40, 0x06, 0x06, 0xf4,
0x0a, 0x01, 0x0e, 0x11, 0x0a, 0x01, 0x0e, 0x10, 0x23, 0x84, 0xfa, 0x29, 0xae, 0xd4, 0x95, 0x03,
0x99, 0xb8, 0x77, 0xd0, 0x80, 0x10, 0x00, 0x1d, 0x6f, 0x4f, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a,
0xef, 0x1f, 0xa2, 0xcc, 0xef, 0x1f, 0xf4, 0x2c, 0xfe, 0xdb, 0x05, 0xa1, 0xdb, 0x04, 0x9e, 0xc0,
0xfe, 0x30, 0x08, 0xb2, 0x30, 0x08, 0xda, 0x2b, 0xbd, 0xfe, 0x2a, 0x01, 0xfe, 0x2a, 0x01, 0x21,
0x2a, 0x00, 0xb2, 0xfe, 0x57, 0xb0, 0xb6, 0x57, 0xb0, 0x14, 0x74, 0xf4, 0xf0, 0x4c, 0x05, 0x68,
0xfe, 0x54, 0x02, 0xfe, 0x54, 0x02, 0xd2, 0x54, 0x02, 0x00, 0xbe, 0xfe, 0x32, 0x0f, 0xb6, 0x32,
0x0f, 0x14, 0x2e, 0x16, 0xaf, 0x47, 0x00, 0x00, 0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0x94, 0x01, 0x5e, 0x5c, 0x20, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
0x07, 0xd0, 0xb1, 0x2f, 0xb2, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0x46, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x42, 0x3c, 0x8a,
0xb0, 0xe7, 0x54, 0x41, 0xb8, 0xca, 0x3a, 0x6f, 0xbe, 0xd8, 0x08, 0x00, 0x45, 0x00, 0x00, 0x34,
0xa8, 0x23, 0x40, 0x00, 0x40, 0x06, 0x61, 0x7f, 0x0a, 0x01, 0x0e, 0x10, 0x0a, 0x01, 0x0f, 0x10,
0x97, 0x91, 0x23, 0x84, 0x24, 0xfa, 0x91, 0xf7, 0xb4, 0xe8, 0xf3, 0x2d, 0x80, 0x10, 0x00, 0xab,
0x7b, 0x7d, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xef, 0x1f, 0xf4, 0x36, 0xef, 0x1f, 0xdc, 0xde,
0x00, 0x00, 0x00, 0x00, 0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}
// Test collected from the SFlow reference agent. Contains dummy data for several record types
// that wern't available on an actual network for sampling.
var SFlowTestPacket2 = []byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
0x04, 0x88, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11, 0x38, 0x63, 0x7f, 0x00, 0x00, 0x01, 0x7f, 0x00,
0x00, 0x01, 0xdc, 0xb8, 0x18, 0xc7, 0x04, 0x74, 0x02, 0x88, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00,
0x00, 0x01, 0xc0, 0xa8, 0x5b, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb5, 0x3a, 0x00, 0x00,
0xcb, 0x20, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x54, 0x00, 0x02,
0x1f, 0x6e, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x1f, 0x6e, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x3f, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00,
0x03, 0xed, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x14, 0x68, 0x74,
0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x73, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x6f,
0x72, 0x67, 0x00, 0x00, 0x00, 0x0f, 0x68, 0x6f, 0x73, 0x74, 0x31, 0x2e, 0x73, 0x66, 0x6c, 0x6f,
0x77, 0x2e, 0x6f, 0x72, 0x67, 0x06, 0x00, 0x00, 0x03, 0xec, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00,
0x00, 0x6a, 0x00, 0x00, 0x00, 0x0b, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x20, 0x75, 0x73, 0x65,
0x72, 0xdc, 0x00, 0x00, 0x00, 0x6a, 0x00, 0x00, 0x00, 0x10, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e,
0x61, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x75, 0x73, 0x65, 0x72, 0x00, 0x00, 0x03, 0xeb, 0x00, 0x00,
0x00, 0x64, 0x00, 0x00, 0x00, 0x01, 0x0d, 0x0c, 0x0b, 0x0a, 0x00, 0x00, 0xfd, 0xe9, 0x00, 0x00,
0x00, 0x7b, 0x00, 0x00, 0x03, 0xe7, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
0x00, 0x03, 0x00, 0x00, 0x00, 0x7b, 0x00, 0x00, 0x01, 0xc8, 0x00, 0x00, 0x03, 0x15, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x2b, 0x67, 0x00, 0x00, 0x56, 0xce, 0x00, 0x00,
0x82, 0x35, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x09, 0x00, 0x00,
0x03, 0x78, 0x00, 0x00, 0x03, 0xe7, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
0x00, 0x0d, 0x00, 0x00, 0x01, 0xb0, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0x46, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x42, 0x00, 0x0c,
0x29, 0x67, 0xa0, 0xe5, 0x00, 0x50, 0x56, 0xc0, 0x00, 0x09, 0x08, 0x00, 0x45, 0x10, 0x00, 0x34,
0x92, 0xc3, 0x40, 0x00, 0x40, 0x06, 0x70, 0x8d, 0xc0, 0xa8, 0x5b, 0x01, 0xc0, 0xa8, 0x5b, 0x11,
0xd3, 0xdd, 0x00, 0x16, 0xe3, 0x2e, 0x84, 0x77, 0x13, 0x6d, 0xc5, 0x53, 0x80, 0x10, 0x1f, 0xf7,
0xe7, 0x7d, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x2e, 0xc6, 0x70, 0x3a, 0x00, 0x0f, 0x84, 0x7a,
0xbc, 0xd2, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x90, 0x00, 0x02, 0x1f, 0x6f, 0x00, 0x00,
0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x1f, 0x6f, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xff,
0xff, 0xff, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0xed, 0x00, 0x00,
0x00, 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x14, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f,
0x2f, 0x77, 0x77, 0x77, 0x2e, 0x73, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x6f, 0x72, 0x67, 0x00, 0x00,
0x00, 0x0f, 0x68, 0x6f, 0x73, 0x74, 0x31, 0x2e, 0x73, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x6f, 0x72,
0x67, 0x03, 0x00, 0x00, 0x03, 0xec, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x6a, 0x00, 0x00,
0x00, 0x0b, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x20, 0x75, 0x73, 0x65, 0x72, 0x77, 0x00, 0x00,
0x00, 0x6a, 0x00, 0x00, 0x00, 0x10, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f,
0x6e, 0x20, 0x75, 0x73, 0x65, 0x72, 0x00, 0x00, 0x03, 0xeb, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00,
0x00, 0x01, 0x0d, 0x0c, 0x0b, 0x0a, 0x00, 0x00, 0xfd, 0xe9, 0x00, 0x00, 0x00, 0x7b, 0x00, 0x00,
0x03, 0xe7, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x7b, 0x00, 0x00, 0x01, 0xc8, 0x00, 0x00, 0x03, 0x15, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
0x00, 0x03, 0x00, 0x00, 0x2b, 0x67, 0x00, 0x00, 0x56, 0xce, 0x00, 0x00, 0x82, 0x35, 0x00, 0x00,
0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x09, 0x00, 0x00, 0x03, 0x78, 0x00, 0x00,
0x03, 0xe7, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00,
0x01, 0xb0, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
0x01, 0x86, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x00, 0x50, 0x56, 0xc0, 0x00, 0x09,
0x00, 0x0c, 0x29, 0x67, 0xa0, 0xe5, 0x08, 0x00, 0x45, 0x10, 0x01, 0x74, 0xbb, 0xfa, 0x40, 0x00,
0x40, 0x06, 0x46, 0x16, 0xc0, 0xa8, 0x5b, 0x11, 0xc0, 0xa8, 0x5b, 0x01, 0x00, 0x16, 0xd3, 0xdd,
0x13, 0x6d, 0xc5, 0x53, 0xe3, 0x2e, 0x84, 0x77, 0x80, 0x18, 0x01, 0x10, 0x38, 0xca, 0x00, 0x00,
0x01, 0x01, 0x08, 0x0a, 0x00, 0x0f, 0x84, 0x7d, 0x2e, 0xc6, 0x70, 0x3a, 0xe3, 0x92, 0x97, 0x1a,
0x67, 0x3b, 0xac, 0xec, 0xfa, 0x43, 0x71, 0x5e, 0x36, 0xa1, 0x0a, 0xc6, 0x1a, 0x6a, 0xed, 0x08,
0xac, 0xf4, 0xbe, 0xd8, 0x36, 0x59, 0xf6, 0xe2, 0x3d, 0x34, 0x26, 0xf2, 0x42, 0xbd, 0x32, 0xd3,
0x37, 0x52, 0xb8, 0xf4, 0x38, 0xf0, 0xf4, 0xeb, 0x76, 0x3b, 0xda, 0x23, 0xf1, 0x92, 0x96, 0xca,
0xbb, 0x9c, 0x20, 0x0a, 0x38, 0x37, 0x6f, 0xd9, 0x26, 0xe6, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
0x01, 0x54, 0x00, 0x02, 0x1f, 0x70, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02,
0x1f, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x3f, 0xff, 0xff, 0xff, 0x00, 0x00,
0x00, 0x04, 0x00, 0x00, 0x03, 0xed, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
0x00, 0x14, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x73, 0x66, 0x6c,
0x6f, 0x77, 0x2e, 0x6f, 0x72, 0x67, 0x00, 0x00, 0x00, 0x0f, 0x68, 0x6f, 0x73, 0x74, 0x31, 0x2e,
0x73, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x6f, 0x72, 0x67, 0xff, 0x00, 0x00, 0x03, 0xec, 0x00, 0x00,
0x00, 0x2c, 0x00, 0x00, 0x00, 0x6a, 0x00, 0x00, 0x00, 0x0b, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65,
0x20, 0x75, 0x73, 0x65, 0x72, 0x77, 0x00, 0x00, 0x00, 0x6a, 0x00, 0x00, 0x00, 0x10, 0x64, 0x65,
0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x75, 0x73, 0x65, 0x72, 0x00, 0x00,
0x03, 0xeb, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x01, 0x0d, 0x0c, 0x0b, 0x0a, 0x00, 0x00,
0xfd, 0xe9, 0x00, 0x00, 0x00, 0x7b, 0x00, 0x00, 0x03, 0xe7, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00,
0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x7b, 0x00, 0x00, 0x01, 0xc8, 0x00, 0x00,
0x03, 0x15, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x2b, 0x67, 0x00, 0x00,
0x56, 0xce, 0x00, 0x00, 0x82, 0x35, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00,
0x03, 0x09, 0x00, 0x00, 0x03, 0x78, 0x00, 0x00, 0x03, 0xe7, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
0x00, 0x0c, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x01, 0xb0, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
0x00, 0x54, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x46, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00,
0x00, 0x42, 0x00, 0x0c, 0x29, 0x67, 0xa0, 0xe5, 0x00, 0x50, 0x56, 0xc0, 0x00, 0x09, 0x08, 0x00,
0x45, 0x10, 0x00, 0x34, 0x65, 0x7d, 0x40, 0x00, 0x40, 0x06, 0x9d, 0xd3, 0xc0, 0xa8, 0x5b, 0x01,
0xc0, 0xa8, 0x5b, 0x11, 0xd3, 0xdd, 0x00, 0x16, 0xe3, 0x2e, 0x84, 0x77, 0x13, 0x6d, 0xc6, 0x93,
0x80, 0x10, 0x1f, 0xec, 0xe6, 0x43, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x2e, 0xc6, 0x70, 0x3c,
0x00, 0x0f, 0x84, 0x7d, 0x00, 0x50,
}
// processor counter sample
var SFlowTestPacket3 = []byte{
0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01,
0x0a, 0x14, 0x04, 0x00, 0x00, 0x00, 0x00, 0x64,
0x00, 0x01, 0x78, 0xe0, 0x73, 0x03, 0x48, 0x78,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04,
0x00, 0x00, 0x00, 0x34, 0x00, 0x01, 0x78, 0xe0,
0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x03, 0xe9,
0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x05, 0xaa,
0x00, 0x00, 0x05, 0x5a, 0x00, 0x00, 0x05, 0x32,
0x00, 0x00, 0x00, 0x00, 0xe7, 0x8d, 0x70, 0x00,
0x00, 0x00, 0x00, 0x00, 0x55, 0xe7, 0x70, 0x00,
}
// expanded flow sample - extended switch flow record
var SFlowTestPacket4 = []byte{
0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01,
0xc0, 0xa8, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x02, 0x7e, 0x32, 0xe0, 0xe4, 0x7c,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x01, 0x23,
0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x01, 0x00,
0x00, 0x00, 0x03, 0x37, 0x00, 0x00, 0x56, 0x23,
0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x04,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x03, 0xe9,
0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x03,
0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x05,
0xff, 0xff, 0xff, 0xff,
}
// expanded flow sample - extended router flow record
var SFlowTestPacket5 = []byte{
0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01,
0xc0, 0xa8, 0x01, 0x12, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x02, 0x7e, 0x32, 0xe0, 0xe4, 0x7c,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x01, 0x23,
0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x01, 0x00,
0x00, 0x00, 0x03, 0x34, 0x00, 0x00, 0x56, 0x02,
0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x04,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x03, 0xea,
0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x01,
0xc0, 0xa8, 0x01, 0x21, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0x80,
}
// expanded flow sample - Ipv4 Tunnel Ingress record
var SFlowTestPacket6 = []byte{
0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01, 0x7f, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x72, 0x00, 0x01, 0xbd, 0x50,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x48,
0x00, 0x00, 0x00, 0x74, 0x02, 0x00, 0x03, 0xe8, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x74, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x80, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x04, 0x00,
0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2f,
0xc0, 0xa8, 0x00, 0x54, 0xc0, 0xa8, 0x00, 0x53, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}
// expanded flow sample - Ipv4 Tunnel Egress record
var SFlowTestPacket7 = []byte{
0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01, 0x7f, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x42, 0x68,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x48,
0x00, 0x00, 0x00, 0x12, 0x02, 0x00, 0x03, 0xe9, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c,
0x80, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8, 0x00, 0x54,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
}
// expanded flow sample - extended router flow record IPv6 next hop
var SFlowTestPacket8 = []byte{
0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01,
0xc0, 0xa8, 0x01, 0x12, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x02, 0x7e, 0x32, 0xe0, 0xe4, 0x7c,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x01, 0x23,
0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x01, 0x00,
0x00, 0x00, 0x03, 0x34, 0x00, 0x00, 0x56, 0x02,
0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x04,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x03, 0xea,
0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x02,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80,
}
func TestDecodeUDPSFlow(t *testing.T) {
p := gopacket.NewPacket(SFlowTestPacket1, LayerTypeEthernet, gopacket.Default)
if p.ErrorLayer() != nil {
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
}
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv4, LayerTypeUDP, LayerTypeSFlow}, t)
if got, ok := p.TransportLayer().(*UDP); ok {
want := &UDP{
BaseLayer: BaseLayer{SFlowTestPacket1[34:42], SFlowTestPacket1[42:]},
sPort: []byte{199, 87},
dPort: []byte{24, 199},
SrcPort: 51031,
DstPort: 6343,
Checksum: 8763,
Length: 1448,
}
if !reflect.DeepEqual(want, got) {
t.Errorf("UDP layer mismatch, \nwant %#v\ngot %#v\n", want, got)
}
} else {
t.Error("Transport layer packet not UDP")
}
}
func TestDecodeSFlowDatagram(t *testing.T) {
p := gopacket.NewPacket(SFlowTestPacket1, LayerTypeEthernet, gopacket.Default)
if p.ErrorLayer() != nil {
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
}
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv4, LayerTypeUDP, LayerTypeSFlow}, t)
if got, ok := p.ApplicationLayer().(*SFlowDatagram); ok {
want := &SFlowDatagram{
DatagramVersion: uint32(5),
AgentAddress: []byte{0xa, 0x1, 0xf8, 0x16},
SubAgentID: uint32(17),
SequenceNumber: uint32(40443),
AgentUptime: uint32(1078576845),
SampleCount: uint32(7),
FlowSamples: []SFlowFlowSample{
SFlowFlowSample{
EnterpriseID: 0x0,
Format: 0x1,
SampleLength: 0xd0,
SequenceNumber: 0x2627e8,
SourceIDClass: 0x0,
SourceIDIndex: 0x213,
SamplingRate: 0x3e80,
SamplePool: 0x50bde580,
Dropped: 0x0,
InputInterface: 0x213,
OutputInterface: 0x0,
RecordCount: 0x2,
Records: []SFlowRecord{
SFlowRawPacketFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x1,
FlowDataLength: 0x90,
},
HeaderProtocol: 0x1,
FrameLength: 0x5d2,
PayloadRemoved: 0x4,
HeaderLength: 0x80,
Header: gopacket.NewPacket(SFlowTestPacket1[134:262], LayerTypeEthernet, gopacket.Default),
},
SFlowExtendedSwitchFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x3e9,
FlowDataLength: 0x10,
},
IncomingVLAN: 0x202,
IncomingVLANPriority: 0x0,
OutgoingVLAN: 0x0,
OutgoingVLANPriority: 0x0,
},
},
},
SFlowFlowSample{
EnterpriseID: 0x0,
Format: 0x1,
SampleLength: 0xd0,
SequenceNumber: 0x15e5c1e,
SourceIDClass: 0x0,
SourceIDIndex: 0x257,
SamplingRate: 0x7d0,
SamplePool: 0xb12fa290,
Dropped: 0x0,
InputInterface: 0x257,
OutputInterface: 0x0,
RecordCount: 0x2,
Records: []SFlowRecord{
SFlowRawPacketFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x1,
FlowDataLength: 0x90,
},
HeaderProtocol: 0x1,
FrameLength: 0x5ee,
PayloadRemoved: 0x4,
HeaderLength: 0x80,
Header: gopacket.NewPacket(SFlowTestPacket1[350:478], LayerTypeEthernet, gopacket.Default),
},
SFlowExtendedSwitchFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x3e9,
FlowDataLength: 0x10,
},
IncomingVLAN: 0x202,
IncomingVLANPriority: 0x0,
OutgoingVLAN: 0x0,
OutgoingVLANPriority: 0x0,
},
},
},
SFlowFlowSample{
EnterpriseID: 0x0,
Format: 0x1,
SampleLength: 0xd0,
SequenceNumber: 0x15acdd0,
SourceIDClass: 0x0,
SourceIDIndex: 0x255,
SamplingRate: 0x7d0,
SamplePool: 0x9567e130,
Dropped: 0x0,
InputInterface: 0x255,
OutputInterface: 0x0,
RecordCount: 0x2,
Records: []SFlowRecord{
SFlowRawPacketFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x1,
FlowDataLength: 0x90,
},
HeaderProtocol: 0x1,
FrameLength: 0x446,
PayloadRemoved: 0x4,
HeaderLength: 0x80,
Header: gopacket.NewPacket(SFlowTestPacket1[566:694], LayerTypeEthernet, gopacket.Default),
},
SFlowExtendedSwitchFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x3e9,
FlowDataLength: 0x10,
},
IncomingVLAN: 0x202,
IncomingVLANPriority: 0x0,
OutgoingVLAN: 0x0,
OutgoingVLANPriority: 0x0,
},
},
},
SFlowFlowSample{
EnterpriseID: 0x0,
Format: 0x1,
SampleLength: 0xd0,
SequenceNumber: 0x15e5c1f,
SourceIDClass: 0x0,
SourceIDIndex: 0x257,
SamplingRate: 0x7d0,
SamplePool: 0xb12faa60,
Dropped: 0x0,
InputInterface: 0x257,
OutputInterface: 0x0,
RecordCount: 0x2,
Records: []SFlowRecord{
SFlowRawPacketFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x1,
FlowDataLength: 0x90,
},
HeaderProtocol: 0x1,
FrameLength: 0x5ee,
PayloadRemoved: 0x4,
HeaderLength: 0x80,
Header: gopacket.NewPacket(SFlowTestPacket1[958:1086], LayerTypeEthernet, gopacket.Default),
},
SFlowExtendedSwitchFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x3e9,
FlowDataLength: 0x10,
},
IncomingVLAN: 0x202,
IncomingVLANPriority: 0x0,
OutgoingVLAN: 0x0,
OutgoingVLANPriority: 0x0,
},
},
},
SFlowFlowSample{
EnterpriseID: 0x0,
Format: 0x1,
SampleLength: 0xd0,
SequenceNumber: 0x15acdd1,
SourceIDClass: 0x0,
SourceIDIndex: 0x255,
SamplingRate: 0x7d0,
SamplePool: 0x9567e900,
Dropped: 0x0,
InputInterface: 0x255,
OutputInterface: 0x257,
RecordCount: 0x2,
Records: []SFlowRecord{
SFlowRawPacketFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x1,
FlowDataLength: 0x90,
},
HeaderProtocol: 0x1,
FrameLength: 0x5ee,
PayloadRemoved: 0x4,
HeaderLength: 0x80,
Header: gopacket.NewPacket(SFlowTestPacket1[1174:1302], LayerTypeEthernet, gopacket.Default),
},
SFlowExtendedSwitchFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x3e9,
FlowDataLength: 0x10,
},
IncomingVLAN: 0x202,
IncomingVLANPriority: 0x0,
OutgoingVLAN: 0x202,
OutgoingVLANPriority: 0x0,
},
},
},
SFlowFlowSample{
EnterpriseID: 0x0,
Format: 0x1,
SampleLength: 0x94,
SequenceNumber: 0x15e5c20,
SourceIDClass: 0x0,
SourceIDIndex: 0x257,
SamplingRate: 0x7d0,
SamplePool: 0xb12fb230,
Dropped: 0x0,
InputInterface: 0x257,
OutputInterface: 0x0,
RecordCount: 0x2,
Records: []SFlowRecord{
SFlowRawPacketFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x1,
FlowDataLength: 0x54,
},
HeaderProtocol: 0x1,
FrameLength: 0x46,
PayloadRemoved: 0x4,
HeaderLength: 0x42,
Header: gopacket.NewPacket(SFlowTestPacket1[1390:1458], LayerTypeEthernet, gopacket.Default),
},
SFlowExtendedSwitchFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x3e9,
FlowDataLength: 0x10,
},
IncomingVLAN: 0x202,
IncomingVLANPriority: 0x0,
OutgoingVLAN: 0x0,
OutgoingVLANPriority: 0x0,
},
},
},
},
CounterSamples: []SFlowCounterSample{
SFlowCounterSample{
Format: 0x2,
SampleLength: 0xa8,
SequenceNumber: 0x20f2,
SourceIDClass: 0x0,
SourceIDIndex: 0x20a,
RecordCount: 0x2,
Records: []SFlowRecord{
SFlowGenericInterfaceCounters{
SFlowBaseCounterRecord: SFlowBaseCounterRecord{
EnterpriseID: 0x0,
Format: 0x1,
FlowDataLength: 0x58,
},
IfIndex: 0x20a,
IfType: 0x6,
IfSpeed: 0x2540be400,
IfDirection: 0x1,
IfStatus: 0x3,
IfInOctets: 0x129826db06c0b,
IfInUcastPkts: 0xcb0ddd96,
IfInMulticastPkts: 0x6a8c6,
IfInBroadcastPkts: 0x7b,
IfInDiscards: 0x0,
IfInErrors: 0x0,
IfInUnknownProtos: 0x0,
IfOutOctets: 0x340235587c9e,
IfOutUcastPkts: 0x56642571,
IfOutMulticastPkts: 0x705ac4,
IfOutBroadcastPkts: 0x908f1,
IfOutDiscards: 0x0,
IfOutErrors: 0x0,
IfPromiscuousMode: 0x0,
},
SFlowEthernetCounters{
SFlowBaseCounterRecord: SFlowBaseCounterRecord{
EnterpriseID: 0x0,
Format: 0x2,
FlowDataLength: 0x34,
},
AlignmentErrors: 0x0,
FCSErrors: 0x0,
SingleCollisionFrames: 0x0,
MultipleCollisionFrames: 0x0,
SQETestErrors: 0x0,
DeferredTransmissions: 0x0,
LateCollisions: 0x0,
ExcessiveCollisions: 0x0,
InternalMacTransmitErrors: 0x0,
CarrierSenseErrors: 0x0,
FrameTooLongs: 0x0,
InternalMacReceiveErrors: 0x0,
SymbolErrors: 0x0,
},
},
},
},
}
if !reflect.DeepEqual(want, got) {
t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
}
} else {
t.Error("Application layer packet not UDP")
}
}
func TestPacketPacket0(t *testing.T) {
p := gopacket.NewPacket(SFlowTestPacket2, LinkTypeEthernet, gopacket.Default)
if p.ErrorLayer() != nil {
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
}
checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv4, LayerTypeUDP, LayerTypeSFlow}, t)
if got, ok := p.ApplicationLayer().(*SFlowDatagram); ok {
want := &SFlowDatagram{
DatagramVersion: uint32(5),
AgentAddress: []byte{192, 168, 91, 17},
SubAgentID: uint32(0),
SequenceNumber: uint32(46394),
AgentUptime: uint32(52000),
SampleCount: uint32(3),
FlowSamples: []SFlowFlowSample{
SFlowFlowSample{
EnterpriseID: 0x0,
Format: 0x1,
SampleLength: 340,
SequenceNumber: 139118,
SourceIDClass: 0,
SourceIDIndex: 3,
SamplingRate: 1,
SamplePool: 139118,
Dropped: 0,
InputInterface: 3,
OutputInterface: 1073741823,
RecordCount: 4,
Records: []SFlowRecord{
SFlowExtendedURLRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0,
Format: 1005,
FlowDataLength: 48,
},
Direction: SFlowURLsrc,
URL: "http://www.sflow.org",
Host: "host1.sflow.org",
},
SFlowExtendedUserFlow{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0,
Format: 1004,
FlowDataLength: 44,
},
SourceCharSet: SFlowCSUTF8,
SourceUserID: "source user",
DestinationCharSet: SFlowCSUTF8,
DestinationUserID: "destination user",
},
SFlowExtendedGatewayFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0,
Format: 1003,
FlowDataLength: 100,
},
NextHop: []byte{0x0d, 0x0c, 0x0b, 0x0a},
AS: 65001,
SourceAS: 123,
PeerAS: 999,
ASPathCount: 3,
ASPath: []SFlowASDestination{
SFlowASDestination{
Type: SFlowASSequence,
Count: 3,
Members: []uint32{123, 456, 789},
},
SFlowASDestination{
Type: SFlowASSet,
Count: 3,
Members: []uint32{11111, 22222, 33333},
},
SFlowASDestination{
Type: SFlowASSequence,
Count: 3,
Members: []uint32{777, 888, 999},
},
},
Communities: []uint32{12, 13},
LocalPref: 432,
},
SFlowRawPacketFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x1,
FlowDataLength: 84,
},
HeaderProtocol: 1,
FrameLength: 70,
PayloadRemoved: 4,
HeaderLength: 0x42,
Header: gopacket.NewPacket(SFlowTestPacket2[350:418], LayerTypeEthernet, gopacket.Default),
},
},
},
SFlowFlowSample{
EnterpriseID: 0x0,
Format: 0x1,
SampleLength: 400,
SequenceNumber: 139119,
SourceIDClass: 0,
SourceIDIndex: 3,
SamplingRate: 1,
SamplePool: 139119,
Dropped: 0,
InputInterface: 1073741823,
OutputInterface: 3,
RecordCount: 4,
Records: []SFlowRecord{
SFlowExtendedURLRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0,
Format: 1005,
FlowDataLength: 48,
},
Direction: SFlowURLsrc,
URL: "http://www.sflow.org",
Host: "host1.sflow.org",
},
SFlowExtendedUserFlow{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0,
Format: 1004,
FlowDataLength: 44,
},
SourceCharSet: SFlowCSUTF8,
SourceUserID: "source user",
DestinationCharSet: SFlowCSUTF8,
DestinationUserID: "destination user",
},
SFlowExtendedGatewayFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0,
Format: 1003,
FlowDataLength: 100,
},
NextHop: []byte{0x0d, 0x0c, 0x0b, 0x0a},
AS: 65001,
SourceAS: 123,
PeerAS: 999,
ASPathCount: 3,
ASPath: []SFlowASDestination{
SFlowASDestination{
Type: SFlowASSequence,
Count: 3,
Members: []uint32{123, 456, 789},
},
SFlowASDestination{
Type: SFlowASSet,
Count: 3,
Members: []uint32{11111, 22222, 33333},
},
SFlowASDestination{
Type: SFlowASSequence,
Count: 3,
Members: []uint32{777, 888, 999},
},
},
Communities: []uint32{12, 13},
LocalPref: 432,
},
SFlowRawPacketFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x1,
FlowDataLength: 144,
},
HeaderProtocol: 1,
FrameLength: 390,
PayloadRemoved: 4,
HeaderLength: 0x80,
Header: gopacket.NewPacket(SFlowTestPacket2[698:826], LayerTypeEthernet, gopacket.Default),
},
},
},
SFlowFlowSample{
EnterpriseID: 0x0,
Format: 0x1,
SampleLength: 340,
SequenceNumber: 139120,
SourceIDClass: 0,
SourceIDIndex: 3,
SamplingRate: 1,
SamplePool: 139120,
Dropped: 0,
InputInterface: 3,
OutputInterface: 1073741823,
RecordCount: 4,
Records: []SFlowRecord{
SFlowExtendedURLRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0,
Format: 1005,
FlowDataLength: 48,
},
Direction: SFlowURLsrc,
URL: "http://www.sflow.org",
Host: "host1.sflow.org",
},
SFlowExtendedUserFlow{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0,
Format: 1004,
FlowDataLength: 44,
},
SourceCharSet: SFlowCSUTF8,
SourceUserID: "source user",
DestinationCharSet: SFlowCSUTF8,
DestinationUserID: "destination user",
},
SFlowExtendedGatewayFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0,
Format: 1003,
FlowDataLength: 100,
},
NextHop: []byte{0x0d, 0x0c, 0x0b, 0x0a},
AS: 65001,
SourceAS: 123,
PeerAS: 999,
ASPathCount: 3,
ASPath: []SFlowASDestination{
SFlowASDestination{
Type: SFlowASSequence,
Count: 3,
Members: []uint32{123, 456, 789},
},
SFlowASDestination{
Type: SFlowASSet,
Count: 3,
Members: []uint32{11111, 22222, 33333},
},
SFlowASDestination{
Type: SFlowASSequence,
Count: 3,
Members: []uint32{777, 888, 999},
},
},
Communities: []uint32{12, 13},
LocalPref: 432,
},
SFlowRawPacketFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: 0x1,
FlowDataLength: 84,
},
HeaderProtocol: 1,
FrameLength: 70,
PayloadRemoved: 4,
HeaderLength: 0x42,
Header: gopacket.NewPacket(SFlowTestPacket2[1106:1174], LayerTypeEthernet, gopacket.Default),
},
},
},
},
}
if !reflect.DeepEqual(want, got) {
t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
}
} else {
t.Error("Application layer packet not UDP")
}
}
func TestDecodeProcessorCounter(t *testing.T) {
p := gopacket.NewPacket(SFlowTestPacket3, LayerTypeSFlow, gopacket.Default)
if p.ErrorLayer() != nil {
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
}
checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
got := p.ApplicationLayer().(*SFlowDatagram)
want := &SFlowDatagram{
DatagramVersion: uint32(5),
AgentAddress: []byte{0x0a, 0x14, 0x04, 0x00},
SubAgentID: uint32(0x64),
SequenceNumber: uint32(96480),
AgentUptime: uint32(1929595000),
SampleCount: uint32(1),
CounterSamples: []SFlowCounterSample{
SFlowCounterSample{
Format: SFlowTypeExpandedCounterSample,
SampleLength: 0x34,
SequenceNumber: 0x0178e0,
SourceIDClass: 0x00,
SourceIDIndex: 0x01,
RecordCount: 0x01,
Records: []SFlowRecord{
SFlowProcessorCounters{
SFlowBaseCounterRecord: SFlowBaseCounterRecord{
EnterpriseID: 0x0,
Format: SFlowTypeProcessorCounters,
FlowDataLength: 0x1c,
},
FiveSecCpu: 0x05aa,
OneMinCpu: 0x055a,
FiveMinCpu: 0x0532,
TotalMemory: 0xe78d7000,
FreeMemory: 0x55e77000,
},
},
},
},
}
if !reflect.DeepEqual(want, got) {
t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
}
}
func TestDecodeExtendedSwitchFlow(t *testing.T) {
p := gopacket.NewPacket(SFlowTestPacket4, LayerTypeSFlow, gopacket.Default)
if p.ErrorLayer() != nil {
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
}
checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
got := p.ApplicationLayer().(*SFlowDatagram)
want := &SFlowDatagram{
DatagramVersion: uint32(5),
AgentAddress: []byte{0xc0, 0xa8, 0x01, 0x07},
SubAgentID: uint32(0x00),
SequenceNumber: uint32(0x027e),
AgentUptime: uint32(0x32e0e47c),
SampleCount: uint32(1),
FlowSamples: []SFlowFlowSample{
SFlowFlowSample{
Format: SFlowTypeFlowSample,
SampleLength: 0x38,
SequenceNumber: 0x123,
SourceIDClass: 0x00,
SourceIDIndex: 0x1d,
SamplingRate: 0x100,
SamplePool: 0x337,
Dropped: 0x5623,
InputInterfaceFormat: 0x00,
InputInterface: 0x1d,
OutputInterfaceFormat: 0x00,
OutputInterface: 0x04,
RecordCount: 0x01,
Records: []SFlowRecord{
SFlowExtendedSwitchFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: SFlowTypeExtendedSwitchFlow,
FlowDataLength: 0x10,
},
IncomingVLAN: 0x03,
IncomingVLANPriority: 0x02,
OutgoingVLAN: 0x05,
OutgoingVLANPriority: 0xffffffff,
},
},
},
},
}
if !reflect.DeepEqual(want, got) {
t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
}
}
func TestDecodeExtendedRouterFlow(t *testing.T) {
p := gopacket.NewPacket(SFlowTestPacket5, LayerTypeSFlow, gopacket.Default)
if p.ErrorLayer() != nil {
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
}
checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
got := p.ApplicationLayer().(*SFlowDatagram)
want := &SFlowDatagram{
DatagramVersion: uint32(5),
AgentAddress: []byte{0xc0, 0xa8, 0x01, 0x12},
SubAgentID: uint32(0x00),
SequenceNumber: uint32(0x027e),
AgentUptime: uint32(0x32e0e47c),
SampleCount: uint32(1),
FlowSamples: []SFlowFlowSample{
SFlowFlowSample{
Format: SFlowTypeFlowSample,
SampleLength: 0x34,
SequenceNumber: 0x123,
SourceIDClass: 0x00,
SourceIDIndex: 0x1d,
SamplingRate: 0x100,
SamplePool: 0x334,
Dropped: 0x5602,
InputInterfaceFormat: 0x00,
InputInterface: 0x1d,
OutputInterfaceFormat: 0x00,
OutputInterface: 0x04,
RecordCount: 0x01,
Records: []SFlowRecord{
SFlowExtendedRouterFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: SFlowTypeExtendedRouterFlow,
FlowDataLength: 0x10,
},
NextHop: []byte{0xc0, 0xa8, 0x01, 0x21},
NextHopSourceMask: 0xffffffff,
NextHopDestinationMask: 0xffffff80,
},
},
},
},
}
if !reflect.DeepEqual(want, got) {
t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
}
}
func TestDecodeExtendedRouterFlowIPv6(t *testing.T) {
p := gopacket.NewPacket(SFlowTestPacket8, LayerTypeSFlow, gopacket.Default)
if p.ErrorLayer() != nil {
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
}
checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
got := p.ApplicationLayer().(*SFlowDatagram)
want := &SFlowDatagram{
DatagramVersion: uint32(5),
AgentAddress: []byte{0xc0, 0xa8, 0x01, 0x12},
SubAgentID: uint32(0x00),
SequenceNumber: uint32(0x027e),
AgentUptime: uint32(0x32e0e47c),
SampleCount: uint32(1),
FlowSamples: []SFlowFlowSample{
SFlowFlowSample{
Format: SFlowTypeFlowSample,
SampleLength: 0x34,
SequenceNumber: 0x123,
SourceIDClass: 0x00,
SourceIDIndex: 0x1d,
SamplingRate: 0x100,
SamplePool: 0x334,
Dropped: 0x5602,
InputInterfaceFormat: 0x00,
InputInterface: 0x1d,
OutputInterfaceFormat: 0x00,
OutputInterface: 0x04,
RecordCount: 0x01,
Records: []SFlowRecord{
SFlowExtendedRouterFlowRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: SFlowTypeExtendedRouterFlow,
FlowDataLength: 0x1c,
},
NextHop: []byte{0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
NextHopSourceMask: 0xffffffff,
NextHopDestinationMask: 0xffffff80,
},
},
},
},
}
if !reflect.DeepEqual(want, got) {
t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
}
}
func TestDecodeExtendedIpv4TunnelIngressFlow(t *testing.T) {
p := gopacket.NewPacket(SFlowTestPacket6, LayerTypeSFlow, gopacket.Default)
if p.ErrorLayer() != nil {
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
}
checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
got := p.ApplicationLayer().(*SFlowDatagram)
want := &SFlowDatagram{
DatagramVersion: uint32(5),
AgentAddress: []byte{0x7f, 0x0, 0x0, 0x1},
SubAgentID: uint32(0),
SequenceNumber: uint32(0x72),
AgentUptime: uint32(0x1bd50),
SampleCount: uint32(1),
FlowSamples: []SFlowFlowSample{
SFlowFlowSample{
Format: SFlowTypeFlowSample,
SampleLength: 0x48,
SequenceNumber: 0x74,
SourceIDClass: 0x0,
SourceIDIndex: 0x20003e8,
SamplingRate: 0x1,
SamplePool: 0x74,
Dropped: 0x0,
InputInterfaceFormat: 0x0,
InputInterface: 0x0,
OutputInterfaceFormat: 0x0,
OutputInterface: 0x80000001,
RecordCount: 0x1,
Records: []SFlowRecord{
SFlowExtendedIpv4TunnelIngressRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: SFlowTypeExtendedIpv4TunnelIngressFlow,
FlowDataLength: 0x20,
},
SFlowIpv4Record: SFlowIpv4Record{
Length: 0x0,
Protocol: 0x2f,
IPSrc: net.IP{0xc0, 0xa8, 0x0, 0x54},
IPDst: net.IP{0xc0, 0xa8, 0x0, 0x53},
PortSrc: 0x0,
PortDst: 0x0,
TCPFlags: 0x0,
TOS: 0x0,
},
},
},
},
},
}
if !reflect.DeepEqual(want, got) {
t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
}
}
func TestDecodeExtendedIpv4TunnelEgressFlow(t *testing.T) {
p := gopacket.NewPacket(SFlowTestPacket7, LayerTypeSFlow, gopacket.Default)
if p.ErrorLayer() != nil {
t.Error("Failed to decode packet:", p.ErrorLayer().Error())
}
checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
got := p.ApplicationLayer().(*SFlowDatagram)
want := &SFlowDatagram{
DatagramVersion: uint32(5),
AgentAddress: []byte{0x7f, 0x0, 0x0, 0x1},
SubAgentID: uint32(1),
SequenceNumber: uint32(0x12),
AgentUptime: uint32(0x4268),
SampleCount: uint32(1),
FlowSamples: []SFlowFlowSample{
SFlowFlowSample{
Format: SFlowTypeFlowSample,
SampleLength: 0x48,
SequenceNumber: 0x12,
SourceIDClass: 0x0,
SourceIDIndex: 0x20003e9,
SamplingRate: 0x1,
SamplePool: 0x12,
Dropped: 0x0,
InputInterfaceFormat: 0x0,
InputInterface: 0x6c,
OutputInterfaceFormat: 0x0,
OutputInterface: 0x80000001,
RecordCount: 0x1,
Records: []SFlowRecord{
SFlowExtendedIpv4TunnelEgressRecord{
SFlowBaseFlowRecord: SFlowBaseFlowRecord{
EnterpriseID: 0x0,
Format: SFlowTypeExtendedIpv4TunnelEgressFlow,
FlowDataLength: 0x20,
},
SFlowIpv4Record: SFlowIpv4Record{
Length: 0x0,
Protocol: 0x0,
IPSrc: net.IP{0x0, 0x0, 0x0, 0x0},
IPDst: net.IP{0xc0, 0xa8, 0x0, 0x54},
PortSrc: 0x0,
PortDst: 0x0,
TCPFlags: 0x0,
TOS: 0x0,
},
},
},
},
},
}
if !reflect.DeepEqual(want, got) {
t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
}
}
func BenchmarkDecodeSFlowPacket1(b *testing.B) {
for i := 0; i < b.N; i++ {
gopacket.NewPacket(SFlowTestPacket1, LinkTypeEthernet, gopacket.NoCopy)
}
}
func BenchmarkDecodeSFlowPacket2(b *testing.B) {
for i := 0; i < b.N; i++ {
gopacket.NewPacket(SFlowTestPacket2, LinkTypeEthernet, gopacket.NoCopy)
}
}
func BenchmarkDecodeSFlowPacket3(b *testing.B) {
for i := 0; i < b.N; i++ {
gopacket.NewPacket(SFlowTestPacket3, LinkTypeEthernet, gopacket.NoCopy)
}
}
func BenchmarkDecodeSFlowPacket4(b *testing.B) {
for i := 0; i < b.N; i++ {
gopacket.NewPacket(SFlowTestPacket4, LinkTypeEthernet, gopacket.NoCopy)
}
}
func BenchmarkDecodeSFlowLayerPacket1(b *testing.B) {
var sflow SFlowDatagram
for i := 0; i < b.N; i++ {
sflow.DecodeFromBytes(SFlowTestPacket1[ /*eth*/ 14+ /*ipv4*/ 20+ /*udp*/ 8:], gopacket.NilDecodeFeedback)
}
}
func BenchmarkDecodeSFlowLayerPacket2(b *testing.B) {
var sflow SFlowDatagram
for i := 0; i < b.N; i++ {
sflow.DecodeFromBytes(SFlowTestPacket2[ /*eth*/ 14+ /*ipv4*/ 20+ /*udp*/ 8:], gopacket.NilDecodeFeedback)
}
}