static void shutdown_ssl(h2o_socket_t *sock, int status)
{
int ret;
if (status != 0)
goto Close;
if ((ret = SSL_shutdown(sock->ssl->ssl)) == -1) {
goto Close;
}
if (sock->ssl->output.bufs.size != 0) {
h2o_socket_read_stop(sock);
flush_pending_ssl(sock, ret == 1 ? dispose_socket : shutdown_ssl);
} else if (ret == 2 && SSL_get_error(sock->ssl->ssl, ret) == SSL_ERROR_WANT_READ) {
h2o_socket_read_start(sock, shutdown_ssl);
} else {
status = ret == 1;
goto Close;
}
return;
Close:
dispose_socket(sock, status);
}
static void shutdown_ssl(h2o_socket_t *sock, const char *err)
{
int ret;
if (err != NULL)
goto Close;
if (sock->_cb.write != NULL) {
/* note: libuv calls the write callback after the socket is closed by uv_close (with status set to 0 if the write succeeded)
*/
sock->_cb.write = NULL;
goto Close;
}
if ((ret = SSL_shutdown(sock->ssl->ssl)) == -1) {
goto Close;
}
if (sock->ssl->output.bufs.size != 0) {
h2o_socket_read_stop(sock);
flush_pending_ssl(sock, ret == 1 ? dispose_socket : shutdown_ssl);
} else if (ret == 2 && SSL_get_error(sock->ssl->ssl, ret) == SSL_ERROR_WANT_READ) {
h2o_socket_read_start(sock, shutdown_ssl);
} else {
goto Close;
}
return;
Close:
dispose_socket(sock, err);
}
void h2o_socket_close(h2o_socket_t *sock)
{
if (sock->ssl == NULL) {
dispose_socket(sock, 0);
} else {
shutdown_ssl(sock, 0);
}
}
