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extern String d_get_hostname_ip(String host, Allocator alloc) {
char *host_cstr;
Allocator talloc;
int err;
String ip;
talloc = un_alloc_temp_get();
host_cstr = (char *) un_string_to_cstring(host, talloc);
// @note, host_info can return multiple ip addresses?
HOSTENT *host_info = gethostbyname(host_cstr);
if (!host_info) {
err = WSAGetLastError();
switch (err) {
case WSANOTINITIALISED:
cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: disgrace wasn't initialized, run d_init() before this call.");
break;
case WSAENETDOWN:
cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: network error.");
break;
case WSATRY_AGAIN:
cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: host not found (WSATRY_AGAIN).");
break;
case WSAHOST_NOT_FOUND:
cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: host not found (WSAHOST_NOT_FOUND).");
break;
case WSANO_DATA:
cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: no host data (WSA_NO_DATA).");
break;
case WSAEFAULT:
cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: host name is not valid.");
break;
default:
cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: unspecified error.");
break;
}
return CLITERAL(String) {};
}
if (host_info) {
assert(host_info->h_addrtype == AF_INET);
assert(host_info->h_length >= sizeof(struct in_addr));
ip = un_string_from_cstring(inet_ntoa(*(struct in_addr *)*host_info->h_addr_list));
return un_string_copy(ip, alloc);
}
return CLITERAL(String) {};
}
DHandle* d_tcp_connect(String ip, u16 port) {
SOCKET sock;
struct sockaddr_in addr_info;
char *ip_addr_cstr;
ip_addr_cstr = (char *) un_string_to_cstring(ip, un_alloc_temp_get());
sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (sock == INVALID_SOCKET) {
return NULL;
}
addr_info.sin_family = AF_INET;
addr_info.sin_addr.s_addr = inet_addr(ip_addr_cstr);
addr_info.sin_port = htons(port);
//connect()
}
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