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