Hi, I'm making a simple code to check whether a user provided IP is
bindable in any UDP port (so port 0), so basically I run this code
(some error checking is missing yet):
----------------------------------------------
void checkIP(char* ip, int family) {
uv_loop_t loop;
uv_udp_t udp_socket;
struct sockaddr_storage bind_addr;
int err = 0;
uv_loop_init(&loop);
uv_udp_init(&loop, &udp_socket);
switch(family) {
case AF_INET:
uv_ip4_addr(ip, 0, (struct sockaddr_in*)&bind_addr);
break;
case AF_INET6:
uv_ip6_addr(ip, 0, (struct sockaddr_in6*)&bind_addr);
break;
}
err = uv_udp_bind(&udp_socket, (const struct sockaddr*)&bind_addr, 0);
uv_close((uv_handle_t*)&udp_socket, (uv_close_cb)on_close);
uv_loop_close(&loop);
if (err)
lalala("uv_udp_bind() failed: %s", uv_strerror(err));
}
}
-----------------------------------------------
Note that I don't even call uv_run(). Is it guaranteed that
uv_udp_bind() would return error in case of giving it an address in
which the host cannot bind?
Thanks a lot.
--
Iñaki Baz Castillo
<[email protected]>
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