void read_file(const char *filename)
{
if (!read_pcap_file(filename))
{
read_json_file(filename);
}
}
int main (int argc, char* argv[])
{
int i;
void* buffer;
long length;
int loops;
__u64 packets_sent = 0;
__u64 packet_bytes = 0;
struct timeval tv_start;
struct pcap_pkthdr* pcap_hdr;
struct quick_tx qtx;
if (argc != 3 && argc != 4) {
printf("Usage: ./pcapsend <path-to-pcap> <interface> [loops]\n");
exit(-1);
}
if (!read_pcap_file(argv[1], &buffer, &length)) {
perror("Failed to read file! ");
exit(-1);
}
if (argc == 4) {
loops = atoi(argv[3]);
} else {
loops = 1;
}
memset(&qtx, 0, sizeof(qtx));
int ret = quick_tx_open(argv[2], &qtx);
if (ret == 0) {
int blocks = quick_tx_alloc_mem_space(&qtx, length * loops);
if (blocks >= 0) {
printf("quick_tx mapped %d blocks of memory\n", blocks);
} else {
printf("quick_tx_alloc_mem_space failure\n");
exit(-1);
}
} else {
exit(-1);
}
gettimeofday(&tv_start,NULL);
for (i = 0; i < loops; i++) {
void* offset = buffer + sizeof(struct pcap_file_header);
while(offset < buffer + length) {
pcap_hdr = (struct pcap_pkthdr*) offset;
offset += sizeof(struct pcap_pkthdr);
if ((quick_tx_send_packet(&qtx, (const void*)offset, pcap_hdr->caplen)) < 0) {
printf("An error occurred while trying to send a packet\n");
goto quick_tx_error;
}
offset += pcap_hdr->caplen;
packets_sent++;
packet_bytes+= pcap_hdr->caplen;
}
}
printf("Done, closing everything!\n");
printf("\n");
quick_tx_error:
quick_tx_close(&qtx);
free(buffer);
return 0;
}
