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/* DHT test
* A file with a main that runs our DHT for testing.
*
* Compile with: gcc -O2 -Wall -o test ../core/network.c DHT_test.c
*
* Command line arguments are the ip and port of a node and the client_id (32 bytes) of the friend you want to find the ip_port of
* EX: ./test 127.0.0.1 33445 ABCDEFGHIJKLMNOPQRSTUVWXYZabcdef
*/
#include "../core/network.h"
#include "../core/DHT.c"
#include <string.h>
//Sleep function (x = milliseconds)
#ifdef WIN32
#define c_sleep(x) Sleep(1*x)
#else
#include <unistd.h>
#include <arpa/inet.h>
#define c_sleep(x) usleep(1000*x)
#endif
#define PORT 33445
void print_clientlist()
{
uint32_t i, j;
IP_Port p_ip;
printf("___________________CLOSE________________________________\n");
for(i = 0; i < 4; i++)
{
printf("ClientID: ");
for(j = 0; j < 32; j++)
{
printf("%c", close_clientlist[i].client_id[j]);
}
p_ip = close_clientlist[i].ip_port;
printf("\nIP: %u.%u.%u.%u Port: %u",p_ip.ip.c[0],p_ip.ip.c[1],p_ip.ip.c[2],p_ip.ip.c[3],ntohs(p_ip.port));
printf("\nTimestamp: %u", close_clientlist[i].timestamp);
printf("\nLast pinged: %u\n", close_clientlist[i].last_pinged);
}
}
void print_friendlist()
{
uint32_t i, j, k;
IP_Port p_ip;
printf("_________________FRIENDS__________________________________\n");
for(k = 0; k < num_friends; k++)
{
printf("FRIEND %u\n", k);
printf("ID: ");
for(j = 0; j < 32; j++)
{
printf("%c", friends_list[k].client_id[j]);
}
p_ip = DHT_getfriendip(friends_list[k].client_id);
printf("\nIP: %u.%u.%u.%u:%u",p_ip.ip.c[0],p_ip.ip.c[1],p_ip.ip.c[2],p_ip.ip.c[3],ntohs(p_ip.port));
printf("\nCLIENTS IN LIST:\n\n");
for(i = 0; i < 4; i++)
{
printf("ClientID: ");
for(j = 0; j < 32; j++)
{
if(0 <= friends_list[k].client_list[i].client_id[j] && friends_list[k].client_list[i].client_id[j] < 16)
printf("0");
printf("%hhX", friends_list[k].client_list[i].client_id[j]);
}
p_ip = friends_list[k].client_list[i].ip_port;
printf("\nIP: %u.%u.%u.%u:%u",p_ip.ip.c[0],p_ip.ip.c[1],p_ip.ip.c[2],p_ip.ip.c[3],ntohs(p_ip.port));
printf("\nTimestamp: %u", friends_list[k].client_list[i].timestamp);
printf("\nLast pinged: %u\n", friends_list[k].client_list[i].last_pinged);
}
}
}
void printpacket(uint8_t * data, uint32_t length, IP_Port ip_port)
{
uint32_t i;
printf("UNHANDLED PACKET RECEIVED\nLENGTH:%u\nCONTENTS:\n", length);
printf("--------------------BEGIN-----------------------------\n");
for(i = 0; i < length; i++)
{
if(data[i] < 16)
printf("0");
printf("%hhX",data[i]);
}
printf("\n--------------------END-----------------------------\n\n\n");
}
int main(int argc, char *argv[])
{
//memcpy(self_client_id, "qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq", 32);
if (argc < 4) {
printf("usage %s ip port client_id(of friend to find ip_port of)\n", argv[0]);
exit(0);
}
DHT_addfriend((uint8_t *)argv[3]);
//initialize networking
//bind to ip 0.0.0.0:PORT
IP ip;
ip.i = 0;
init_networking(ip, PORT);
int randdomnum = random_int();
memcpy(self_client_id, &randdomnum, 4);
perror("Initialization");
IP_Port bootstrap_ip_port;
bootstrap_ip_port.port = htons(atoi(argv[2]));
//bootstrap_ip_port.ip.c[0] = 127;
//bootstrap_ip_port.ip.c[1] = 0;
//bootstrap_ip_port.ip.c[2] = 0;
//bootstrap_ip_port.ip.c[3] = 1;
bootstrap_ip_port.ip.i = inet_addr(argv[1]);
DHT_bootstrap(bootstrap_ip_port);
IP_Port ip_port;
uint8_t data[MAX_UDP_PACKET_SIZE];
uint32_t length;
while(1)
{
doDHT();
while(receivepacket(&ip_port, data, &length) != -1)
{
if(DHT_handlepacket(data, length, ip_port))
{
//unhandled packet
printpacket(data, length, ip_port);
}
else
{
printf("Received handled packet with length: %u\n", length);
}
}
print_clientlist();
print_friendlist();
c_sleep(300);
}
shutdown_networking();
return 0;
}
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