emailler/libnet/test_sntp.c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "libnet.h"

/*
#define SECONDS_IN_DAY 86400
#define NTP_TO_UNIX = 2208988800 //((70 * 365 + 17) * 86400);
struct tm* __fastcall__ sntp_timestamp_to_tm(unsigned long sntp_timestamp) {
	unsigned long epoch_timestamp=sntp_timestamp-NTP_TO_UNIX;
	return (gmtime(&epoch_timestamp));
}
int main (void)
{
	unsigned long timestamp=0xd2b929e6;
	signed long utc_offset=-10;
	struct tm * _tm;
	timestamp+=(utc_offset*3600);
	_tm=sntp_timestamp_to_tm(timestamp);
	printf ("%02d:%02d:%02d\n",_tm->tm_hour,_tm->tm_min,_tm->tm_sec);
	puts (asctime(_tm));
	return EXIT_SUCCESS;
}

*/

char * addr_to_s(u8* a) {
	static char buffer[16];
	sprintf(buffer,"%u.%u.%u.%u",a[0],a[1],a[2],a[3]);
	return(buffer);
}
void showconfig(void) {
	IP_CONFIG config_p;
	libnet_get_config(&config_p);
	printf ("MAC:      %02x:%02x:%02x:%02x:%02x:%02x\n",libnet_MAC[0],libnet_MAC[1],
							libnet_MAC[2],libnet_MAC[3],libnet_MAC[4],libnet_MAC[5],);
	printf ("IP:       %s\n",addr_to_s(config_p.ip_addr));
	printf ("NETMASK:  %s\n",addr_to_s(config_p.netmask));
	printf ("GATEWAY:  %s\n",addr_to_s(config_p.gateway_addr));
	printf ("DNS:      %s\n",addr_to_s(config_p.dns_server_addr));
}
int main (void)
{
	IP_CONFIG _default_config ={
		{1,2,3,4},	//IP address
		{255,255,255,0}, // netmask
		{192,168,1,1}, 	//default gateway
		{192,168,2,1},	// dns server
	};

	libnet_err_t ln_err;
	
//	ln_err=libnet_init(&_default_config);
	ln_err=libnet_init(LIBNET_USE_DHCP);	

	printf("result: %02x\n",ln_err);
	showconfig();
	return EXIT_SUCCESS;
}