--- /dev/null
+#pragma once
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+/**
+ * $Id$
+ *
+ * @file protocols/radius/server_priv.h
+ * @brief RADIUS bio handlers for outgoing RADIUS private server sockets
+ *
+ * @copyright 2024 Network RADIUS SAS (legal@networkradius.com)
+ */
+RCSIDH(radius_server_priv_h, "$Id$")
+
+#include <freeradius-devel/radius/server.h>
+#include <freeradius-devel/radius/id.h>
+
+/*
+ * Server connected data structure
+ */
+typedef struct {
+ fr_bio_packet_t common;
+
+ fr_radius_server_config_t cfg;
+
+ fr_bio_t *dedup;
+ fr_bio_t *mem;
+ fr_bio_t *fd;
+
+ fr_radius_server_bio_info_t info;
+
+ fr_rb_tree_t rb;
+
+ /*
+ * @todo - perhaps we want to have the read() routine allocate memory for the packet? Or the
+ * verify routine can do that?
+ */
+ uint8_t buffer[4096]; //!< temporary read buffer
+} fr_radius_server_fd_bio_t;
+
+fr_radius_server_fd_bio_t *fr_radius_server_fd_bio_alloc(TALLOC_CTX *ctx, size_t read_size, fr_radius_server_config_t *cfg, fr_bio_fd_config_t const *fd_cfg) CC_HINT(nonnull);
+
+int fr_radius_server_fd_bio_write(fr_bio_packet_t *bio, void *pctx, fr_packet_t *packet, fr_pair_list_t *list);
+
+int fr_radius_server_fd_bio_read(fr_bio_packet_t *bio, void **packet_ctx_p, fr_packet_t **packet_p, TALLOC_CTX *out_ctx, fr_pair_list_t *out);