kaa_error_t ext_tcp_utils_open_tcp_socket(kaa_fd_t *fd,
const kaa_sockaddr_t *destination,
kaa_socklen_t destination_size)
{
KAA_RETURN_IF_NIL3(fd, destination, destination_size, KAA_ERR_BADPARAM);
kaa_fd_t sock = socket(destination->sa_family, SOCK_STREAM, 0);
int flags = lwip_fcntl(sock, F_GETFL, 0);
if (flags < 0) {
ext_tcp_utils_tcp_socket_close(sock);
printf("Error getting sicket access flags\n");
return KAA_ERR_SOCKET_ERROR;
}
if (lwip_fcntl(sock, F_SETFL, flags | O_NONBLOCK) < 0) {
ext_tcp_utils_tcp_socket_close(sock);
printf("Error setting socket flags. fcntl(F_GETFL): %d\n", lwip_fcntl(sock, F_GETFL, 0));
return KAA_ERR_SOCKET_ERROR;
}
if (connect(sock, destination, destination_size) && errno != EINPROGRESS) {
ext_tcp_utils_tcp_socket_close(sock);
printf("Error connecting to destination\n");
return KAA_ERR_SOCKET_CONNECT_ERROR;
}
*fd = sock;
return KAA_ERR_NONE;
}
kaa_error_t ext_tcp_utils_open_tcp_socket(kaa_fd_t *fd
, const kaa_sockaddr_t *destination
, kaa_socklen_t destination_size)
{
KAA_RETURN_IF_NIL3(fd, destination, destination_size, KAA_ERR_BADPARAM);
long lNonBlocking = 1;
int status;
kaa_fd_t sock = socket(destination->sa_family, SOCK_STREAM, 0);
if (sock < 0)
return KAA_ERR_SOCKET_ERROR;
status = setsockopt(sock, SL_SOL_SOCKET, SL_SO_NONBLOCKING,
&lNonBlocking, sizeof(lNonBlocking));
if ( status < 0 ) {
ext_tcp_utils_tcp_socket_close(sock);
return KAA_ERR_SOCKET_ERROR;
}
int err = connect(sock, destination, destination_size);
if ( (err < 0 && err != SL_EALREADY) && errno != EINPROGRESS) {
ext_tcp_utils_tcp_socket_close(sock);
return KAA_ERR_SOCKET_CONNECT_ERROR;
}
*fd = sock;
return KAA_ERR_NONE;
}
kaa_error_t ext_tcp_utils_open_tcp_socket(kaa_fd_t *fd
, const kaa_sockaddr_t *destination
, kaa_socklen_t destination_size)
{
KAA_RETURN_IF_NIL3(fd, destination, destination_size, KAA_ERR_BADPARAM);
kaa_fd_t sock = socket(destination->sa_family, SOCK_STREAM, 0);
if (sock < 0)
return KAA_ERR_SOCKET_ERROR;
int flags = fcntl(sock, F_GETFL);
if (flags < 0) {
ext_tcp_utils_tcp_socket_close(sock);
return KAA_ERR_SOCKET_ERROR;
}
if (fcntl(sock, F_SETFL, flags | O_NONBLOCK) < 0) {
ext_tcp_utils_tcp_socket_close(sock);
return KAA_ERR_SOCKET_ERROR;
}
if (connect(sock, destination, destination_size) && errno != EINPROGRESS) {
ext_tcp_utils_tcp_socket_close(sock);
return KAA_ERR_SOCKET_CONNECT_ERROR;
}
*fd = sock;
return KAA_ERR_NONE;
}
