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https://github.com/ddnet/ddnet.git
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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>
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#include <base/system.h>
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#include <engine/shared/stun.h>
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int main(int argc, const char **argv)
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{
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CCmdlineFix CmdlineFix(&argc, &argv);
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secure_random_init();
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log_set_global_logger_default();
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if(argc < 2)
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{
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log_info("stun", "usage: %s <STUN ADDRESS>", argc > 0 ? argv[0] : "stun");
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return 1;
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}
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NETADDR Addr;
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if(net_addr_from_str(&Addr, argv[1]))
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{
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log_error("stun", "couldn't parse address");
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return 2;
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}
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net_init();
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NETADDR BindAddr;
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mem_zero(&BindAddr, sizeof(BindAddr));
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BindAddr.type = NETTYPE_ALL;
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NETSOCKET Socket = net_udp_create(BindAddr);
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if(net_socket_type(Socket) == NETTYPE_INVALID)
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{
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log_error("stun", "couldn't open udp socket");
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return 2;
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}
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CStunData Stun;
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unsigned char aRequest[32];
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int RequestSize = StunMessagePrepare(aRequest, sizeof(aRequest), &Stun);
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if(net_udp_send(Socket, &Addr, aRequest, RequestSize) == -1)
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{
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log_error("stun", "failed sending stun request");
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return 2;
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}
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NETADDR ResponseAddr;
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unsigned char *pResponse;
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while(true)
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{
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if(!net_socket_read_wait(Socket, 1000000))
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{
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log_error("stun", "no udp message received from server until timeout");
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return 3;
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}
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int ResponseSize = net_udp_recv(Socket, &ResponseAddr, &pResponse);
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if(ResponseSize == -1)
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{
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log_error("stun", "failed receiving udp message");
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return 2;
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}
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else if(ResponseSize == 0)
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{
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continue;
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}
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if(net_addr_comp(&Addr, &ResponseAddr) != 0)
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{
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char aResponseAddr[NETADDR_MAXSTRSIZE];
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char aAddr[NETADDR_MAXSTRSIZE];
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net_addr_str(&ResponseAddr, aResponseAddr, sizeof(aResponseAddr), true);
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net_addr_str(&Addr, aAddr, sizeof(aAddr), true);
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log_debug("stun", "got message from %s while expecting one from %s", aResponseAddr, aAddr);
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continue;
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}
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bool Success;
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NETADDR StunAddr;
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if(StunMessageParse(pResponse, ResponseSize, &Stun, &Success, &StunAddr))
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{
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log_debug("stun", "received message from stun server that was not understood");
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continue;
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}
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if(Success)
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{
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char aStunAddr[NETADDR_MAXSTRSIZE];
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net_addr_str(&StunAddr, aStunAddr, sizeof(aStunAddr), 1);
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log_info("stun", "public ip address: %s", aStunAddr);
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break;
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}
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else
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{
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log_info("stun", "error response from stun server");
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break;
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}
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}
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}
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