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/*
* (C) 2007-21 - ntop.org and contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>
*
*/
#include "n2n.h"
#define DURATION 2.5 // test duration per algorithm
#define PACKETS_BEFORE_GETTIME 2047 // do not check time after every packet but after (2 ^ n - 1)
/* heap allocation for compression as per lzo example doc */
#define HEAP_ALLOC(var,size) lzo_align_t __LZO_MMODEL var [ ((size) + (sizeof(lzo_align_t) - 1)) / sizeof(lzo_align_t) ]
static HEAP_ALLOC(wrkmem, LZO1X_1_MEM_COMPRESS);
uint8_t PKT_CONTENT[]={
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 };
/* Prototypes */
static ssize_t do_encode_packet( uint8_t * pktbuf, size_t bufsize, const n2n_community_t c );
static void run_transop_benchmark(const char *op_name, n2n_trans_op_t *op_fn, n2n_edge_conf_t *conf, uint8_t *pktbuf);
static void init_compression_for_benchmark(void);
static void deinit_compression_for_benchmark(void);
static void run_compression_benchmark(void);
static void run_hashing_benchmark(void);
static void run_ecc_benchmark(void);
int main(int argc, char * argv[]) {
uint8_t pktbuf[N2N_PKT_BUF_SIZE];
n2n_trans_op_t transop_null, transop_tf;
n2n_trans_op_t transop_aes;
n2n_trans_op_t transop_cc20;
n2n_trans_op_t transop_speck;
n2n_edge_conf_t conf;
print_n2n_version();
/* Init configuration */
edge_init_conf_defaults(&conf);
strncpy((char*)conf.community_name, "abc123def456", sizeof(conf.community_name));
conf.encrypt_key = "SoMEVer!S$cUREPassWORD";
pearson_hash_init();
/* Init transopts */
n2n_transop_null_init(&conf, &transop_null);
n2n_transop_tf_init(&conf, &transop_tf);
n2n_transop_aes_init(&conf, &transop_aes);
n2n_transop_cc20_init(&conf, &transop_cc20);
n2n_transop_speck_init(&conf, &transop_speck);
/* Run the tests */
run_transop_benchmark("null", &transop_null, &conf, pktbuf);
run_transop_benchmark("tf", &transop_tf, &conf, pktbuf);
run_transop_benchmark("aes", &transop_aes, &conf, pktbuf);
run_transop_benchmark("cc20", &transop_cc20, &conf, pktbuf);
run_transop_benchmark("speck", &transop_speck, &conf, pktbuf);
run_ecc_benchmark();
/* Also for compression (init moved here for ciphers get run before in case of lzo init error) */
init_compression_for_benchmark();
run_compression_benchmark();
run_hashing_benchmark();
/* Cleanup */
transop_null.deinit(&transop_null);
transop_tf.deinit(&transop_tf);
transop_aes.deinit(&transop_aes);
transop_cc20.deinit(&transop_cc20);
transop_speck.deinit(&transop_speck);
deinit_compression_for_benchmark();
return 0;
}
// --- compression benchmark --------------------------------------------------------------
static void init_compression_for_benchmark(void) {
if(lzo_init() != LZO_E_OK) {
traceEvent(TRACE_ERROR, "LZO compression init error");
exit(1);
}
#ifdef N2N_HAVE_ZSTD
// zstd does not require initialization. if it were required, this would be a good place
#endif
}
static void deinit_compression_for_benchmark(void) {
// lzo1x does not require de-initialization. if it were required, this would be a good place
#ifdef N2N_HAVE_ZSTD
// zstd does not require de-initialization. if it were required, this would be a good place
#endif
}
static void run_compression_benchmark() {
const float target_sec = DURATION;
struct timeval t1;
struct timeval t2;
ssize_t target_usec = target_sec * 1e6;
ssize_t tdiff; // microseconds
size_t num_packets;
float mpps;
uint8_t compression_buffer[N2N_PKT_BUF_SIZE]; // size allows enough of a reserve required for compression
lzo_uint compression_len = N2N_PKT_BUF_SIZE;
uint8_t deflation_buffer[N2N_PKT_BUF_SIZE];
int64_t deflated_len;
// compression
printf("{%s}\t%s\t%.1f sec\t(%u bytes)",
"lzo1x", "compr", target_sec, (unsigned int)sizeof(PKT_CONTENT));
fflush(stdout);
tdiff = 0;
num_packets = 0;
gettimeofday( &t1, NULL );
while(tdiff < target_usec) {
compression_len = N2N_PKT_BUF_SIZE;
if(lzo1x_1_compress(PKT_CONTENT, sizeof(PKT_CONTENT), compression_buffer, &compression_len, wrkmem) != LZO_E_OK) {
printf("\n\t compression error\n");
exit(1);
}
num_packets++;
if (!(num_packets & PACKETS_BEFORE_GETTIME)) {
gettimeofday( &t2, NULL );
tdiff = ((t2.tv_sec - t1.tv_sec) * 1000000) + (t2.tv_usec - t1.tv_usec);
}
}
mpps = num_packets / (tdiff / 1e6) / 1e6;
printf(" ---> (%u bytes)\t%12u packets\t%8.1f Kpps\t%8.1f MB/s\n",
(unsigned int)compression_len, (unsigned int)num_packets, mpps * 1e3, mpps * sizeof(PKT_CONTENT));
// decompression
printf("\t%s\t%.1f sec\t(%u bytes)",
"decompr", target_sec, (unsigned int)sizeof(PKT_CONTENT));
fflush(stdout);
tdiff = 0;
num_packets = 0;
gettimeofday( &t1, NULL );
while(tdiff < target_usec) {
deflated_len = N2N_PKT_BUF_SIZE;
lzo1x_decompress (compression_buffer, compression_len, deflation_buffer, (lzo_uint*)&deflated_len, NULL);
num_packets++;
if (!(num_packets & PACKETS_BEFORE_GETTIME)) {
gettimeofday( &t2, NULL );
tdiff = ((t2.tv_sec - t1.tv_sec) * 1000000) + (t2.tv_usec - t1.tv_usec);
}
}
mpps = num_packets / (tdiff / 1e6) / 1e6;
printf(" <--- (%u bytes)\t%12u packets\t%8.1f Kpps\t%8.1f MB/s\n",
(unsigned int)compression_len, (unsigned int)num_packets, mpps * 1e3, mpps * sizeof(PKT_CONTENT));
if(memcmp(deflation_buffer, PKT_CONTENT, sizeof(PKT_CONTENT)) != 0)
printf("\n\tdecompression error\n");
printf ("\n");
#ifdef N2N_HAVE_ZSTD
// compression
printf("{%s}\t%s\t%.1f sec\t(%u bytes)",
"zstd", "compr", target_sec, (unsigned int)sizeof(PKT_CONTENT));
fflush(stdout);
tdiff = 0;
num_packets = 0;
gettimeofday( &t1, NULL );
while(tdiff < target_usec) {
compression_len = N2N_PKT_BUF_SIZE;
compression_len = ZSTD_compress(compression_buffer, compression_len, PKT_CONTENT, sizeof(PKT_CONTENT), ZSTD_COMPRESSION_LEVEL) ;
if(ZSTD_isError(compression_len)) {
printf("\n\t compression error\n");
exit(1);
}
num_packets++;
if (!(num_packets & PACKETS_BEFORE_GETTIME)) {
gettimeofday( &t2, NULL );
tdiff = ((t2.tv_sec - t1.tv_sec) * 1000000) + (t2.tv_usec - t1.tv_usec);
}
}
mpps = num_packets / (tdiff / 1e6) / 1e6;
printf(" ---> (%u bytes)\t%12u packets\t%8.1f Kpps\t%8.1f MB/s\n",
(unsigned int)compression_len, (unsigned int)num_packets, mpps * 1e3, mpps * sizeof(PKT_CONTENT));
// decompression
printf("\t%s\t%.1f sec\t(%u bytes)",
"decompr", target_sec, (unsigned int)sizeof(PKT_CONTENT));
fflush(stdout);
tdiff = 0;
num_packets = 0;
gettimeofday( &t1, NULL );
while(tdiff < target_usec) {
deflated_len = N2N_PKT_BUF_SIZE;
deflated_len = (int32_t)ZSTD_decompress (deflation_buffer, deflated_len, compression_buffer, compression_len);
if(ZSTD_isError(deflated_len)) {
printf("\n\tdecompression error '%s'\n",
ZSTD_getErrorName(deflated_len));
exit(1);
}
num_packets++;
if (!(num_packets & PACKETS_BEFORE_GETTIME)) {
gettimeofday( &t2, NULL );
tdiff = ((t2.tv_sec - t1.tv_sec) * 1000000) + (t2.tv_usec - t1.tv_usec);
}
}
mpps = num_packets / (tdiff / 1e6) / 1e6;
printf(" <--- (%u bytes)\t%12u packets\t%8.1f Kpps\t%8.1f MB/s\n",
(unsigned int)compression_len, (unsigned int)num_packets, mpps * 1e3, mpps * sizeof(PKT_CONTENT));
if(memcmp(deflation_buffer, PKT_CONTENT, sizeof(PKT_CONTENT)) != 0)
printf("\n\tdecompression error\n");
printf ("\n");
#endif
}
// --- hashing benchmark ------------------------------------------------------------------
static void run_hashing_benchmark(void) {
const float target_sec = DURATION;
struct timeval t1;
struct timeval t2;
ssize_t nw;
ssize_t target_usec = target_sec * 1e6;
ssize_t tdiff = 0; // microseconds
size_t num_packets = 0;
uint64_t hash;
printf("(%s)\t%s\t%.1f sec\t(%u bytes)",
"prs64", "hash", target_sec, (unsigned int)sizeof(PKT_CONTENT));
fflush(stdout);
gettimeofday( &t1, NULL );
nw = 8;
while(tdiff < target_usec) {
hash = pearson_hash_64(PKT_CONTENT, sizeof(PKT_CONTENT));
hash++; // clever compiler finds out that we do no use the variable
num_packets++;
if (!(num_packets & PACKETS_BEFORE_GETTIME)) {
gettimeofday( &t2, NULL );
tdiff = ((t2.tv_sec - t1.tv_sec) * 1000000) + (t2.tv_usec - t1.tv_usec);
}
}
float mpps = num_packets / (tdiff / 1e6) / 1e6;
printf(" ---> (%u bytes)\t%12u packets\t%8.1f Kpps\t%8.1f MB/s\n",
(unsigned int)nw, (unsigned int)num_packets, mpps * 1e3, mpps * sizeof(PKT_CONTENT));
printf("\n");
}
// --- ecc benchmark ----------------------------------------------------------------------
static void run_ecc_benchmark(void) {
const float target_sec = DURATION;
struct timeval t1;
struct timeval t2;
ssize_t nw;
ssize_t target_usec = target_sec * 1e6;
ssize_t tdiff = 0; // microseconds
size_t num_packets = 0;
unsigned char b[32];
unsigned char k[32];
memset(b, 0x00, 31);
b[31] = 9;
memset(k, 0x55, 32);
printf("[%s]\t%s\t%.1f sec\t(%u bytes) ",
"curve", "25519", target_sec, 32);
fflush(stdout);
gettimeofday( &t1, NULL );
nw = 32;
while(tdiff < target_usec) {
curve25519(b, k, b);
num_packets++;
gettimeofday( &t2, NULL );
tdiff = ((t2.tv_sec - t1.tv_sec) * 1000000) + (t2.tv_usec - t1.tv_usec);
}
float mpps = num_packets / (tdiff / 1e6) / 1e6;
printf(" ---> (%u bytes)\t%12u ops\t%8.1f Kops/s\n",
(unsigned int)nw, (unsigned int)num_packets, mpps * 1e3);
printf("\n");
}
// --- cipher benchmark -------------------------------------------------------------------
static void run_transop_benchmark(const char *op_name, n2n_trans_op_t *op_fn, n2n_edge_conf_t *conf, uint8_t *pktbuf) {
n2n_common_t cmn;
n2n_PACKET_t pkt;
n2n_mac_t mac_buf;
uint8_t decodebuf[N2N_PKT_BUF_SIZE];
const float target_sec = DURATION;
struct timeval t1;
struct timeval t2;
size_t idx;
size_t rem;
size_t nw;
ssize_t target_usec = target_sec * 1e6;
ssize_t tdiff; // microseconds
size_t num_packets;
float mpps;
// encryption
printf("[%s]\t%s\t%.1f sec\t(%u bytes)",
op_name, "encrypt" , target_sec, (unsigned int)sizeof(PKT_CONTENT));
fflush(stdout);
memset(mac_buf, 0, sizeof(mac_buf));
num_packets = 0;
tdiff = 0;
gettimeofday( &t1, NULL );
while(tdiff < target_usec) {
nw = do_encode_packet( pktbuf, N2N_PKT_BUF_SIZE, conf->community_name);
nw += op_fn->fwd(op_fn,
pktbuf+nw, N2N_PKT_BUF_SIZE-nw,
PKT_CONTENT, sizeof(PKT_CONTENT), mac_buf);
num_packets++;
if (!(num_packets & PACKETS_BEFORE_GETTIME)) {
gettimeofday( &t2, NULL );
tdiff = ((t2.tv_sec - t1.tv_sec) * 1000000) + (t2.tv_usec - t1.tv_usec);
}
}
mpps = num_packets / (tdiff / 1e6) / 1e6;
printf(" ---> (%u bytes)\t%12u packets\t%8.1f Kpps\t%8.1f MB/s\n",
(unsigned int)nw, (unsigned int)num_packets, mpps * 1e3, mpps * sizeof(PKT_CONTENT));
// decrpytion
printf("\t%s\t%.1f sec\t(%u bytes)",
"decrypt" , target_sec, (unsigned int)sizeof(PKT_CONTENT));
fflush(stdout);
num_packets = 0;
tdiff = 0;
gettimeofday( &t1, NULL );
while(tdiff < target_usec) {
idx=0;
rem=nw;
decode_common( &cmn, pktbuf, &rem, &idx);
decode_PACKET( &pkt, &cmn, pktbuf, &rem, &idx );
op_fn->rev(op_fn, decodebuf, N2N_PKT_BUF_SIZE, pktbuf+idx, rem, 0);
num_packets++;
if (!(num_packets & PACKETS_BEFORE_GETTIME)) {
gettimeofday( &t2, NULL );
tdiff = ((t2.tv_sec - t1.tv_sec) * 1000000) + (t2.tv_usec - t1.tv_usec);
}
}
mpps = num_packets / (tdiff / 1e6) / 1e6;
printf(" <--- (%u bytes)\t%12u packets\t%8.1f Kpps\t%8.1f MB/s\n",
(unsigned int)nw, (unsigned int)num_packets, mpps * 1e3, mpps * sizeof(PKT_CONTENT));
if(memcmp(decodebuf, PKT_CONTENT, sizeof(PKT_CONTENT)) != 0)
printf("\tpayload decryption failed!\n");
printf("\n");
}
static ssize_t do_encode_packet( uint8_t * pktbuf, size_t bufsize, const n2n_community_t c )
{
n2n_mac_t destMac={0,1,2,3,4,5};
n2n_common_t cmn;
n2n_PACKET_t pkt;
size_t idx;
memset( &cmn, 0, sizeof(cmn) );
cmn.ttl = N2N_DEFAULT_TTL;
cmn.pc = n2n_packet;
cmn.flags=0; /* no options, not from supernode, no socket */
memcpy( cmn.community, c, N2N_COMMUNITY_SIZE );
memset( &pkt, 0, sizeof(pkt) );
memcpy( pkt.srcMac, destMac, N2N_MAC_SIZE);
memcpy( pkt.dstMac, destMac, N2N_MAC_SIZE);
pkt.sock.family=0; /* do not encode sock */
idx=0;
encode_PACKET( pktbuf, &idx, &cmn, &pkt );
traceEvent( TRACE_DEBUG, "encoded PACKET header of size=%u", (unsigned int)idx );
return idx;
}