xref: /freebsd/tests/sys/netgraph/util.h (revision 09307dbfb888a98232096c751a96ecb3344aa77c)
124ea1dbfSLutz Donnerhacke /*
224ea1dbfSLutz Donnerhacke  * SPDX-License-Identifier: BSD-3-Clause
324ea1dbfSLutz Donnerhacke  *
424ea1dbfSLutz Donnerhacke  * Copyright 2021 Lutz Donnerhacke
524ea1dbfSLutz Donnerhacke  *
624ea1dbfSLutz Donnerhacke  * Redistribution and use in source and binary forms, with or without
724ea1dbfSLutz Donnerhacke  * modification, are permitted provided that the following conditions
824ea1dbfSLutz Donnerhacke  * are met:
924ea1dbfSLutz Donnerhacke  *
1024ea1dbfSLutz Donnerhacke  * 1. Redistributions of source code must retain the above copyright
1124ea1dbfSLutz Donnerhacke  *    notice, this list of conditions and the following disclaimer.
1224ea1dbfSLutz Donnerhacke  * 2. Redistributions in binary form must reproduce the above
1324ea1dbfSLutz Donnerhacke  *    copyright notice, this list of conditions and the following
1424ea1dbfSLutz Donnerhacke  *    disclaimer in the documentation and/or other materials provided
1524ea1dbfSLutz Donnerhacke  *    with the distribution.
1624ea1dbfSLutz Donnerhacke  * 3. Neither the name of the copyright holder nor the names of its
1724ea1dbfSLutz Donnerhacke  *    contributors may be used to endorse or promote products derived
1824ea1dbfSLutz Donnerhacke  *    from this software without specific prior written permission.
1924ea1dbfSLutz Donnerhacke  *
2024ea1dbfSLutz Donnerhacke  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
2124ea1dbfSLutz Donnerhacke  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
2224ea1dbfSLutz Donnerhacke  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
2324ea1dbfSLutz Donnerhacke  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
2424ea1dbfSLutz Donnerhacke  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
2524ea1dbfSLutz Donnerhacke  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
2624ea1dbfSLutz Donnerhacke  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
2724ea1dbfSLutz Donnerhacke  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2824ea1dbfSLutz Donnerhacke  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
2924ea1dbfSLutz Donnerhacke  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
3024ea1dbfSLutz Donnerhacke  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
3124ea1dbfSLutz Donnerhacke  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3224ea1dbfSLutz Donnerhacke  * SUCH DAMAGE.
3324ea1dbfSLutz Donnerhacke  */
3424ea1dbfSLutz Donnerhacke 
3524ea1dbfSLutz Donnerhacke #include <netgraph.h>
3624ea1dbfSLutz Donnerhacke 
3724ea1dbfSLutz Donnerhacke void ng_connect (char const *path1, char const *hook1,
3824ea1dbfSLutz Donnerhacke 		 char const *path2, char const *hook2);
3924ea1dbfSLutz Donnerhacke void ng_mkpeer  (char const *path1, char const *hook1,
4024ea1dbfSLutz Donnerhacke 		 char const *type,  char const *hook2);
4124ea1dbfSLutz Donnerhacke void ng_shutdown(char const *path);
4224ea1dbfSLutz Donnerhacke void ng_rmhook  (char const *path,  char const *hook);
4324ea1dbfSLutz Donnerhacke void ng_name    (char const *path,  char const *name);
4424ea1dbfSLutz Donnerhacke 
4524ea1dbfSLutz Donnerhacke typedef void (*ng_data_handler_t)(void *, size_t, void *ctx);
4624ea1dbfSLutz Donnerhacke void ng_register_data(char const *hook, ng_data_handler_t proc);
4724ea1dbfSLutz Donnerhacke void ng_send_data(char const *hook, void const *, size_t);
4824ea1dbfSLutz Donnerhacke 
49*09307dbfSLutz Donnerhacke typedef void (*ng_msg_handler_t)(char const *, struct ng_mesg *, void *);
50*09307dbfSLutz Donnerhacke void ng_register_msg(ng_msg_handler_t proc);
5124ea1dbfSLutz Donnerhacke int  ng_send_msg(char const *path, char const *msg);
5224ea1dbfSLutz Donnerhacke 
5324ea1dbfSLutz Donnerhacke int  ng_handle_event (unsigned int ms, void *ctx);
5424ea1dbfSLutz Donnerhacke void ng_handle_events(unsigned int ms, void *ctx);
5524ea1dbfSLutz Donnerhacke 
5624ea1dbfSLutz Donnerhacke typedef enum { FAIL, PASS } ng_error_t;
5724ea1dbfSLutz Donnerhacke ng_error_t ng_errors(ng_error_t);
5824ea1dbfSLutz Donnerhacke 
5924ea1dbfSLutz Donnerhacke void ng_init(void);
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