int main(int argc, char **argv) {
lnf_file_t *filep;
lnf_rec_t *recp;
lnf_mem_t *memp;
lnf_mem_cursor_t *cursor;
lnf_brec1_t brec;
int i = 0;
int print = 1;
int printa = 1;
char *filename = FILENAME;
char c;
while ((c = getopt (argc, argv, "pPAf:")) != -1) {
switch (c) {
case 'p':
print = 0;
break;
case 'P':
print = 0;
break;
case 'f':
filename = optarg;
break;
case 'A':
printa = 0;
break;
case '?':
printf("Usage: %s [ -P ] [ -A ] [ -f <input file name> ] \n", argv[0]);
printf(" -P : do not print input records to stdout\n");
printf(" -A : do not aggregated records to stdout\n");
exit(1);
}
}
if (lnf_open(&filep, filename, LNF_READ, NULL) != LNF_OK) {
fprintf(stderr, "Can not open file %s\n", filename);
exit(1);
}
lnf_rec_init(&recp);
lnf_mem_init(&memp);
/* set rules for aggregation srcip/24,srcport,dstas */
lnf_mem_fadd(memp, LNF_FLD_SRCADDR, LNF_AGGR_KEY|LNF_SORT_DESC, 24, 64);
lnf_mem_fadd(memp, LNF_FLD_SRCPORT, LNF_AGGR_KEY, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_DSTAS, LNF_AGGR_KEY, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_FIRST, LNF_AGGR_MIN, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_LAST, LNF_AGGR_MAX, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_TCP_FLAGS, LNF_AGGR_OR, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_DOCTETS, LNF_AGGR_SUM, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_DPKTS, LNF_AGGR_SUM, 0, 0);
while (lnf_read(filep, recp) != LNF_EOF) {
i++;
/* add to memory heap */
lnf_mem_write(memp,recp);
if (print) {
char sbuf[INET6_ADDRSTRLEN];
char dbuf[INET6_ADDRSTRLEN];
lnf_rec_fget(recp, LNF_FLD_BREC1, &brec);
inet_ntop(AF_INET6, &brec.srcaddr, sbuf, INET6_ADDRSTRLEN);
inet_ntop(AF_INET6, &brec.dstaddr, dbuf, INET6_ADDRSTRLEN);
printf(" %s :%d -> %s :%d %llu %llu %llu\n",
sbuf, brec.srcport,
dbuf, brec.dstport,
(LLUI)brec.first, (LLUI)brec.bytes, (LLUI)brec.pkts);
}
}
printf("Total input records: %d\n", i);
i = 0;
printf("First read\n");
lnf_mem_first_c(memp, &cursor);
while (cursor != NULL) {
i++;
lnf_mem_read_c(memp, cursor, recp);
if (printa) {
char sbuf[INET6_ADDRSTRLEN];
char dbuf[INET6_ADDRSTRLEN];
lnf_rec_fget(recp, LNF_FLD_BREC1, &brec);
inet_ntop(AF_INET6, &brec.srcaddr, sbuf, INET6_ADDRSTRLEN);
inet_ntop(AF_INET6, &brec.dstaddr, dbuf, INET6_ADDRSTRLEN);
printf(" %s :%d -> %s :%d %llu %llu %llu\n",
sbuf, brec.srcport,
dbuf, brec.dstport,
(LLUI)brec.first, (LLUI)brec.bytes, (LLUI)brec.pkts);
}
lnf_mem_next_c(memp, &cursor);
}
printf("Second read\n");
lnf_mem_first_c(memp, &cursor);
while (cursor != NULL) {
i++;
lnf_mem_read_c(memp, cursor, recp);
if (printa) {
char sbuf[INET6_ADDRSTRLEN];
char dbuf[INET6_ADDRSTRLEN];
lnf_rec_fget(recp, LNF_FLD_BREC1, &brec);
inet_ntop(AF_INET6, &brec.srcaddr, sbuf, INET6_ADDRSTRLEN);
inet_ntop(AF_INET6, &brec.dstaddr, dbuf, INET6_ADDRSTRLEN);
printf(" %s :%d -> %s :%d %llu %llu %llu\n",
sbuf, brec.srcport,
dbuf, brec.dstport,
(LLUI)brec.first, (LLUI)brec.bytes, (LLUI)brec.pkts);
}
lnf_mem_next_c(memp, &cursor);
}
printf("Total aggregated records: %d\n", i);
lnf_mem_free(memp);
lnf_rec_free(recp);
lnf_close(filep);
return 0;
}
int main(int argc, char **argv) {
lnf_file_t *filep;
lnf_rec_t *recp;
lnf_mem_t *memp1;
lnf_mem_t *memp2;
lnf_mem_cursor_t *cursor;
lnf_brec1_t brec;
int i = 0;
int print = 1;
int printa = 1;
char *filename = FILENAME;
int c;
char buff[LNF_MAX_RAW_LEN];
int datasize;
while ((c = getopt (argc, argv, "pPAf:")) != -1) {
switch (c) {
case 'p':
print = 0;
break;
case 'P':
print = 0;
break;
case 'f':
filename = optarg;
break;
case 'A':
printa = 0;
break;
case '?':
printf("Usage: %s [ -P ] [ -A ] [ -f <input file name> ] \n", argv[0]);
printf(" -P : do not print input records to stdout\n");
printf(" -A : do not aggregated records to stdout\n");
exit(1);
}
}
if (lnf_open(&filep, filename, LNF_READ, NULL) != LNF_OK) {
fprintf(stderr, "Can not open file %s\n", filename);
exit(1);
}
lnf_rec_init(&recp);
lnf_mem_init(&memp1);
lnf_mem_init(&memp2);
lnf_mem_fastaggr(memp1, LNF_FAST_AGGR_BASIC);
lnf_mem_fastaggr(memp2, LNF_FAST_AGGR_BASIC);
/* set rules for aggregation srcip/24,srcport,dstas */
lnf_mem_fadd(memp1, LNF_FLD_SRCADDR, LNF_AGGR_KEY|LNF_SORT_DESC, 24, 64);
lnf_mem_fadd(memp2, LNF_FLD_SRCADDR, LNF_AGGR_KEY|LNF_SORT_DESC, 24, 64);
while (lnf_read(filep, recp) != LNF_EOF) {
i++;
/* add to memory heap */
lnf_mem_write(memp1, recp);
if (print) {
char sbuf[INET6_ADDRSTRLEN];
char dbuf[INET6_ADDRSTRLEN];
lnf_rec_fget(recp, LNF_FLD_BREC1, &brec);
inet_ntop(AF_INET6, &brec.srcaddr, sbuf, INET6_ADDRSTRLEN);
inet_ntop(AF_INET6, &brec.dstaddr, dbuf, INET6_ADDRSTRLEN);
printf(" %s :%d -> %s :%d %llu %llu %llu\n",
sbuf, brec.srcport,
dbuf, brec.dstport,
(LLUI)brec.first, (LLUI)brec.bytes, (LLUI)brec.pkts);
}
}
printf("Total input records: %d\n", i);
/* transfer data from memp1 to memp2 */
lnf_mem_first_c(memp1, &cursor);
while (cursor != NULL) {
lnf_mem_read_raw_c(memp1, cursor, buff, &datasize, LNF_MAX_RAW_LEN);
lnf_mem_write_raw(memp2, buff, datasize);
lnf_mem_next_c(memp1, &cursor);
}
/* all data are now in memp2) */
i = 0;
lnf_mem_first_c(memp2, &cursor);
while (cursor != NULL) {
i++;
lnf_mem_read_c(memp2, cursor, recp);
if (printa) {
char sbuf[INET6_ADDRSTRLEN];
char dbuf[INET6_ADDRSTRLEN];
lnf_rec_fget(recp, LNF_FLD_BREC1, &brec);
inet_ntop(AF_INET6, &brec.srcaddr, sbuf, INET6_ADDRSTRLEN);
inet_ntop(AF_INET6, &brec.dstaddr, dbuf, INET6_ADDRSTRLEN);
printf(" %s :%d -> %s :%d %llu %llu %llu\n",
sbuf, brec.srcport,
dbuf, brec.dstport,
(LLUI)brec.first, (LLUI)brec.bytes, (LLUI)brec.pkts);
}
lnf_mem_next_c(memp2, &cursor);
}
printf("Total aggregated records: %d\n", i);
lnf_mem_free(memp1);
lnf_mem_free(memp2);
lnf_rec_free(recp);
lnf_close(filep);
return 0;
}
int main(int argc, char **argv) {
lnf_file_t *filep;
lnf_rec_t *recp, *recp2;
lnf_mem_t *memp;
lnf_mem_cursor_t *cursor, *cursor2;
lnf_brec1_t brec;
uint16_t port;
int i = 0;
int print = 1;
int printa = 1;
int len;
char *filename = FILENAME;
char c;
char buff[1024];
while ((c = getopt (argc, argv, "pPAf:")) != -1) {
switch (c) {
case 'p':
print = 0;
break;
case 'P':
print = 0;
break;
case 'f':
filename = optarg;
break;
case 'A':
printa = 0;
break;
case '?':
printf("Usage: %s [ -P ] [ -A ] [ -f <input file name> ] \n", argv[0]);
printf(" -P : do not print input records to stdout\n");
printf(" -A : do not aggregated records to stdout\n");
exit(1);
}
}
if (lnf_open(&filep, filename, LNF_READ, NULL) != LNF_OK) {
fprintf(stderr, "Can not open file %s\n", filename);
exit(1);
}
lnf_rec_init(&recp);
lnf_mem_init(&memp);
/* set rules for aggregation srcip/24,srcport,dstas */
lnf_mem_fadd(memp, LNF_FLD_SRCPORT, LNF_AGGR_KEY, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_FIRST, LNF_AGGR_MIN, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_DOCTETS, LNF_AGGR_SUM|LNF_SORT_DESC, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_DPKTS, LNF_AGGR_SUM, 0, 0);
while (lnf_read(filep, recp) != LNF_EOF) {
i++;
/* add to memory heap */
lnf_mem_write(memp,recp);
}
printf("Total input records: %d\n", i);
i = 0;
while (lnf_mem_read(memp, recp) != LNF_EOF) {
i++;
if (printa) {
lnf_rec_fget(recp, LNF_FLD_BREC1, &brec);
printf(" %d - %llu %llu %llu\n",
brec.srcport,
(LLUI)brec.first, (LLUI)brec.bytes, (LLUI)brec.pkts);
}
}
printf("Total aggregated records: %d\n", i);
printf("Lookup for src port 1123\n");
lnf_rec_init(&recp2);
/* set key field in record */
port = 1123;
lnf_rec_fset(recp2, LNF_FLD_SRCPORT, &port);
if (lnf_mem_lookup_c(memp, recp2, &cursor) == LNF_OK) {
lnf_mem_read_c(memp, cursor, recp);
lnf_rec_fget(recp, LNF_FLD_BREC1, &brec);
printf(" %d - %llu %llu %llu\n",
brec.srcport,
(LLUI)brec.first, (LLUI)brec.bytes, (LLUI)brec.pkts);
} else {
printf("Record not found\n");
}
/* additional testion of lnf_mem_lookup_raw_c */
/* it's just testing - doesn't make any sense */
if (cursor != NULL && lnf_mem_read_raw_c(memp, cursor, buff, &len, sizeof(buff)) == LNF_OK) {
if (lnf_mem_lookup_raw_c(memp, buff, len, &cursor2) == LNF_OK) {
if (cursor == cursor2) {
printf("Read through lnf_lookup_raw_c is ok \n");
}
}
}
lnf_mem_free(memp);
lnf_rec_free(recp);
lnf_close(filep);
return 0;
}
int main(int argc, char **argv) {
lnf_rec_t *recp;
pthread_t th[MAX_THREADS];
int i = 0;
int numthreads = 1;
int sortfield = 0;
int sortbits4 = 0;
int sortbits6 = 0;
char c;
// lnf_filter_t *filterp;
flist_init(&flist);
numthreads = get_cpu_cores() * NUM_THREADS_FACTOR;
/* initalise one instance of memory heap (share by all threads) */
memp = NULL;
filterp = NULL;
progressp = NULL;
recp = NULL;
filter[0] = '\0';
/* fields in all outpusts */
fields_add(LNF_FLD_FIRST);
fields_add(LNF_FLD_CALC_DURATION);
while ((c = getopt_long(argc, argv, "A:O:r:R:T:W;", longopts, NULL)) != -1) {
switch (c) {
case 1:
case 'T': /* T option will be removed in future */
numthreads = atoi(optarg);
if (numthreads > MAX_THREADS) {
fprintf(stderr, "Maximim allowed threads is %d\n", MAX_THREADS);
exit(1);
// numthreads = MAX_THREADS - 1;
}
break;
case 2:
if (strcmp(optarg, "nfdump") == 0) {
filter_type = NFDUMPP_FILTER_NFDUMP;
} else if (strcmp(optarg, "libnf") == 0) {
filter_type = NFDUMPP_FILTER_LIBNF;
} else {
fprintf(stderr, "Invalid filter type \"%s\". Allowed options nfdump or libnf. \n", optarg);
exit(1);
}
break;
case 'r':
case 'R':
flist_lookup_dir(&flist, optarg);
break;
case 'A':
if (memp == NULL) {
lnf_mem_init(&memp);
}
parse_aggreg(memp, optarg);
break;
case 'O':
sortfield = lnf_fld_parse(optarg, &sortbits4, &sortbits6);
if (sortfield == 0) {
fprintf(stderr, "Unknow or unsupported sort field: %s\n", optarg);
exit(1);
}
break;
case '?':
printf("Usage: %s [ -A ] [ -R -r ] [ <filter> ] \n", argv[0]);
printf(" -r : \n");
printf(" -R : Input file or directory (multiple -r -R options is allowed)\n");
printf(" -A : aggregation\n");
printf(" -O : sort order\n");
printf(" --num-threads = <num> : num threads (default: %.0f%% number of CPU cores, %d on this system)\n",
NUM_THREADS_FACTOR * 100, numthreads);
printf(" --filter-type = nfdump|libnf : use original nfdump filter or new libnf implementation \n");
printf("\n");
exit(1);
}
}
/* set filter */
if (optind < argc ) {
for ( ; optind < argc; optind++) {
if (strlen(filter) + strlen(argv[optind]) > MAX_FILTER_LEN) {
fprintf(stderr, "Not enough space for filter in buffer\n");
exit(1);
}
strcat(filter, argv[optind]);
strcat(filter, " ");
printf("filter: %s \n", filter);
}
filterp = NULL;
switch (filter_type) {
case NFDUMPP_FILTER_DEFAULT:
lnf_filter_init(&filterp, filter);
break;
case NFDUMPP_FILTER_NFDUMP:
lnf_filter_init_v1(&filterp, filter);
break;
case NFDUMPP_FILTER_LIBNF:
lnf_filter_init_v2(&filterp, filter);
break;
default:
fprintf(stderr, "This should never hapen line: %d\n", __LINE__);
exit(1);
break;
}
if (filterp == NULL) {
fprintf(stderr, "Can not compile filter: %s\n", filter);
exit(1);
}
// lnf_filter_free(filterp);
}
/* init progress bar */
if (progress_init(&progressp, 0, NULL) != NULL) {
progress_steps(progressp, flist_count(&flist));
}
/* aggregated or not aggregated records */
if (memp == NULL) {
/* not aggregated, but sorted */
if (sortfield > 0) {
lnf_mem_init(&memp);
/* switch memp into list mode */
lnf_mem_setopt(memp, LNF_OPT_LISTMODE, NULL, 0);
lnf_mem_fastaggr(memp, LNF_FAST_AGGR_BASIC);
lnf_mem_fadd(memp, LNF_FLD_PROT, LNF_AGGR_KEY, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_SRCADDR, LNF_AGGR_KEY, 24, 128);
lnf_mem_fadd(memp, LNF_FLD_SRCPORT, LNF_AGGR_KEY, 0, 0);
lnf_mem_fadd(memp, LNF_FLD_DSTADDR, LNF_AGGR_KEY, 24, 128);
lnf_mem_fadd(memp, LNF_FLD_DSTPORT, LNF_AGGR_KEY, 0, 0);
}
fields_add(LNF_FLD_PROT);
fields_add(LNF_FLD_SRCADDR);
fields_add(LNF_FLD_SRCPORT);
fields_add(LNF_FLD_DSTADDR);
fields_add(LNF_FLD_DSTPORT);
}
/* default fields on the ond of the list */
fields_add(LNF_FLD_DPKTS);
fields_add(LNF_FLD_DOCTETS);
fields_add(LNF_FLD_CALC_BPS);
fields_add(LNF_FLD_CALC_BPP);
fields_add(LNF_FLD_AGGR_FLOWS);
/* set sort firld */
if (sortfield > 0) {
int defaultaggr = 0;
int defaultsort = 0;
lnf_fld_info(sortfield, LNF_FLD_INFO_AGGR, &defaultaggr, sizeof(int));
lnf_fld_info(sortfield, LNF_FLD_INFO_SORT, &defaultsort, sizeof(int));
lnf_mem_fadd(memp, sortfield, defaultaggr|defaultsort, sortbits4, sortbits6);
}
print_header();
/* prepare and run threads */
pthread_mutex_init(&mutex, NULL);
for ( i = 0 ; i < numthreads ; i++ ) {
if ( pthread_create(&th[i], NULL, process_thread, NULL) < 0) {
fprintf(stderr, "Can not create thread for %d\n", i);
break;
}
}
/* wait for threads */
for ( i = 0; i < numthreads; i++ ) {
if( pthread_join(th[i], NULL) ) {
fprintf(stderr, "Error joining thread\n");
break;
}
}
/* print the records out */
if (memp != NULL) {
i = 0;
lnf_rec_init(&recp);
while (lnf_mem_read(memp, recp) != LNF_EOF) {
i++;
print_row(recp);
outputflows++;
}
}
/* header */
printf("Total input flows %d, output flows: %lu\n", totalrows, outputflows);
lnf_mem_free(memp);
lnf_rec_free(recp);
if (filterp != NULL) {
lnf_filter_free(filterp);
}
}