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Add support for DHT_bootstrap to connect to other nodes

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This commit is contained in:
Sebastian Stal 2013-07-18 23:25:01 -07:00
parent 60957885fd
commit 76df53bb65
1 changed files with 36 additions and 8 deletions
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44
other/DHT_bootstrap.c
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@ -1,13 +1,13 @@
/* DHT boostrap /* DHT boostrap
* *
* A simple DHT boostrap server for tox. * A simple DHT boostrap server for tox.
* *
* Build commands (use one or the other): * Build commands (use one or the other):
* gcc -O2 -Wall -D VANILLA_NACL -o bootstrap_server ../core/Lossless_UDP.c ../core/network.c ../core/net_crypto.c ../core/Messenger.c ../core/DHT.c ../nacl/build/${HOSTNAME%.*}/lib/amd64/{cpucycles.o,libnacl.a,randombytes.o} DHT_bootstrap.c * gcc -O2 -Wall -D VANILLA_NACL -o bootstrap_server ../core/Lossless_UDP.c ../core/network.c ../core/net_crypto.c ../core/Messenger.c ../core/DHT.c ../nacl/build/${HOSTNAME%.*}/lib/amd64/{cpucycles.o,libnacl.a,randombytes.o} DHT_bootstrap.c
* *
* gcc -O2 -Wall -o bootstrap_server ../core/Lossless_UDP.c ../core/network.c ../core/net_crypto.c ../core/Messenger.c ../core/DHT.c -lsodium DHT_bootstrap.c * gcc -O2 -Wall -o bootstrap_server ../core/Lossless_UDP.c ../core/network.c ../core/net_crypto.c ../core/Messenger.c ../core/DHT.c -lsodium DHT_bootstrap.c
*/ */
#include <arpa/inet.h>
#include "../core/DHT.h" #include "../core/DHT.h"
@ -21,7 +21,19 @@
#define PORT 33445 #define PORT 33445
unsigned char * hex_string_to_bin(char hex_string[])
{
unsigned char * val = malloc(strlen(hex_string));
char * pos = hex_string;
int i=0;
while(i < strlen(hex_string))
{
sscanf(pos,"%2hhx",&val[i]);
pos+=2;
i++;
}
return val;
}
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
@ -42,13 +54,29 @@ int main(int argc, char *argv[])
init_networking(ip, PORT); init_networking(ip, PORT);
perror("Initialization"); 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; IP_Port ip_port;
uint8_t data[MAX_UDP_PACKET_SIZE]; uint8_t data[MAX_UDP_PACKET_SIZE];
uint32_t length; uint32_t length;
int is_waiting_for_dht_connection = 1;
while(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(); doDHT();
while(receivepacket(&ip_port, data, &length) != -1) while(receivepacket(&ip_port, data, &length) != -1)
@ -58,5 +86,5 @@ int main(int argc, char *argv[])
c_sleep(1); c_sleep(1);
} }
shutdown_networking(); shutdown_networking();
return 0; return 0;
} }