mirror of
https://github.com/ddnet/ddnet.git
synced 2024-10-29 20:28:19 +00:00
b3a3604c36
It didn't have a clear role, it just acted as a distinguisher between two functions with the same name. Rename `tw::time_get` to `time_get_nanoseconds` and delete the old `time_get_nanoseconds`. Move `CCmdlineFix` and the typed `net_socket_read_wait` function to the global namespace.
93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
#include <base/logger.h>
|
|
#include <base/system.h>
|
|
#include <engine/shared/stun.h>
|
|
|
|
int main(int argc, const char **argv)
|
|
{
|
|
CCmdlineFix CmdlineFix(&argc, &argv);
|
|
|
|
secure_random_init();
|
|
log_set_global_logger_default();
|
|
|
|
if(argc < 2)
|
|
{
|
|
log_info("stun", "usage: %s <STUN ADDRESS>", argc > 0 ? argv[0] : "stun");
|
|
return 1;
|
|
}
|
|
NETADDR Addr;
|
|
if(net_addr_from_str(&Addr, argv[1]))
|
|
{
|
|
log_error("stun", "couldn't parse address");
|
|
return 2;
|
|
}
|
|
|
|
net_init();
|
|
NETADDR BindAddr;
|
|
mem_zero(&BindAddr, sizeof(BindAddr));
|
|
BindAddr.type = NETTYPE_ALL;
|
|
NETSOCKET Socket = net_udp_create(BindAddr);
|
|
if(net_socket_type(Socket) == NETTYPE_INVALID)
|
|
{
|
|
log_error("stun", "couldn't open udp socket");
|
|
return 2;
|
|
}
|
|
|
|
CStunData Stun;
|
|
unsigned char aRequest[32];
|
|
int RequestSize = StunMessagePrepare(aRequest, sizeof(aRequest), &Stun);
|
|
if(net_udp_send(Socket, &Addr, aRequest, RequestSize) == -1)
|
|
{
|
|
log_error("stun", "failed sending stun request");
|
|
return 2;
|
|
}
|
|
|
|
NETADDR ResponseAddr;
|
|
unsigned char *pResponse;
|
|
while(true)
|
|
{
|
|
if(!net_socket_read_wait(Socket, 1000000))
|
|
{
|
|
log_error("stun", "no udp message received from server until timeout");
|
|
return 3;
|
|
}
|
|
int ResponseSize = net_udp_recv(Socket, &ResponseAddr, &pResponse);
|
|
if(ResponseSize == -1)
|
|
{
|
|
log_error("stun", "failed receiving udp message");
|
|
return 2;
|
|
}
|
|
else if(ResponseSize == 0)
|
|
{
|
|
continue;
|
|
}
|
|
if(net_addr_comp(&Addr, &ResponseAddr) != 0)
|
|
{
|
|
char aResponseAddr[NETADDR_MAXSTRSIZE];
|
|
char aAddr[NETADDR_MAXSTRSIZE];
|
|
net_addr_str(&ResponseAddr, aResponseAddr, sizeof(aResponseAddr), true);
|
|
net_addr_str(&Addr, aAddr, sizeof(aAddr), true);
|
|
log_debug("stun", "got message from %s while expecting one from %s", aResponseAddr, aAddr);
|
|
continue;
|
|
}
|
|
bool Success;
|
|
NETADDR StunAddr;
|
|
if(StunMessageParse(pResponse, ResponseSize, &Stun, &Success, &StunAddr))
|
|
{
|
|
log_debug("stun", "received message from stun server that was not understood");
|
|
continue;
|
|
}
|
|
if(Success)
|
|
{
|
|
char aStunAddr[NETADDR_MAXSTRSIZE];
|
|
net_addr_str(&StunAddr, aStunAddr, sizeof(aStunAddr), 1);
|
|
log_info("stun", "public ip address: %s", aStunAddr);
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
log_info("stun", "error response from stun server");
|
|
break;
|
|
}
|
|
}
|
|
}
|