Ejemplo n.º 1
0
/* the main loop that needs to be run at least 200 times per second. */
void doMessenger()
{
    IP_Port ip_port;
    uint8_t data[MAX_UDP_PACKET_SIZE];
    uint32_t length;
    while (receivepacket(&ip_port, data, &length) != -1) {
#ifdef DEBUG
        /* if(rand() % 3 != 1) //simulate packet loss */
        /* { */
        if (DHT_handlepacket(data, length, ip_port) && LosslessUDP_handlepacket(data, length, ip_port) &&
            friendreq_handlepacket(data, length, ip_port) && LANdiscovery_handlepacket(data, length, ip_port))
            /* if packet is discarded */
            printf("Received unhandled packet with length: %u\n", length);
        else
            printf("Received handled packet with length: %u\n", length);
        /* } */
        printf("Status: %u %u %u\n",friendlist[0].status ,is_cryptoconnected(friendlist[0].crypt_connection_id),  friendlist[0].crypt_connection_id);
#else
        DHT_handlepacket(data, length, ip_port);
        LosslessUDP_handlepacket(data, length, ip_port);
        friendreq_handlepacket(data, length, ip_port);
        LANdiscovery_handlepacket(data, length, ip_port);
#endif

    }
    doDHT();
    doLossless_UDP();
    doNetCrypto();
    doInbound();
    doFriends();
    LANdiscovery();
}
Ejemplo n.º 2
0
int main(int argc, char *argv[])
{
    manage_keys();
    printf("Public key: ");
    uint32_t i;
    for(i = 0; i < 32; i++)
    {
        if(self_public_key[i] < 16)
            printf("0");
        printf("%hhX",self_public_key[i]);
    }
    printf("\n");
	printf("Port: %u\n", PORT);
    //initialize networking
    //bind to ip 0.0.0.0:PORT
    IP ip;
    ip.i = 0;
    init_networking(ip, PORT);
    
    perror("Initialization");
    
    if (argc > 3) {
        printf("Trying to bootstrap into the network...\n");
        IP_Port bootstrap_info;
        bootstrap_info.ip.i = inet_addr(argv[1]);
        bootstrap_info.port = htons(atoi(argv[2]));
        uint8_t *bootstrap_key = hex_string_to_bin(argv[3]);
        DHT_bootstrap(bootstrap_info, bootstrap_key);
        free(bootstrap_key);
    }

    IP_Port ip_port;
    uint8_t data[MAX_UDP_PACKET_SIZE];
    uint32_t length;
    
    int is_waiting_for_dht_connection = 1;
    while(1)
    {
        if (is_waiting_for_dht_connection && DHT_isconnected())
        {
            printf("Connected to other bootstrap server successfully.\n");
            is_waiting_for_dht_connection = 0;
        }
        doDHT();
        
        while(receivepacket(&ip_port, data, &length) != -1)
        {
            DHT_handlepacket(data, length, ip_port);
            friendreq_handlepacket(data, length, ip_port);
        }
        c_sleep(1);
    }
    shutdown_networking();
    return 0;
}
Ejemplo n.º 3
0
int main(int argc, char *argv[])
{
    //memcpy(self_client_id, "qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq", 32);
    
    if (argc < 4) {
        printf("usage %s ip port public_key\n", argv[0]);
        exit(0);
    }
    new_keys();
    printf("OUR ID: ");
    uint32_t i;
    for(i = 0; i < 32; i++) {
        if(self_public_key[i] < 16)
            printf("0");
        printf("%hhX",self_public_key[i]);
    }
    
    char temp_id[128];
    printf("\nEnter the client_id of the friend you wish to add (32 bytes HEX format):\n");
    if(scanf("%s", temp_id) != 1)
        exit(0);
    
    DHT_addfriend(hex_string_to_bin(temp_id));
    
    /* initialize networking */
    /* bind to ip 0.0.0.0:PORT */
    IP ip;
    ip.i = 0;
    init_networking(ip, PORT);
    

    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, hex_string_to_bin(argv[3]));
    
    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) && friendreq_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;   
}