1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright 2021 Lutz Donnerhacke 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials provided 15 * with the distribution. 16 * 3. Neither the name of the copyright holder nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 21 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 22 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 27 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 29 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 30 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 31 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <netgraph.h> 36 37 void 38 _ng_connect(char const *path1, char const *hook1, 39 char const *path2, char const *hook2, 40 char const *file, size_t line); 41 #define ng_connect(p1,h1,p2,h2) \ 42 _ng_connect(p1,h1,p2,h2,__FILE__,__LINE__) 43 44 void 45 _ng_mkpeer(char const *path1, char const *hook1, 46 char const *type, char const *hook2, 47 char const *file, size_t line); 48 #define ng_mkpeer(p1,h1,t,h2) \ 49 _ng_mkpeer(p1,h1,t,h2,__FILE__,__LINE__) 50 51 void 52 _ng_shutdown(char const *path, 53 char const *file, size_t line); 54 #define ng_shutdown(p) \ 55 _ng_shutdown(p,__FILE__,__LINE__) 56 57 void 58 _ng_rmhook(char const *path, char const *hook, 59 char const *file, size_t line); 60 #define ng_rmhook(p,h) \ 61 _ng_rmhook(p,h,__FILE__,__LINE__) 62 63 void 64 _ng_name(char const *path, char const *name, 65 char const *file, size_t line); 66 #define ng_name(p,n) \ 67 _ng_name(p,n,__FILE__,__LINE__) 68 69 70 typedef void (*ng_data_handler_t)(void *, size_t, void *ctx); 71 void ng_register_data(char const *hook, ng_data_handler_t proc); 72 void 73 _ng_send_data(char const *hook, void const *, size_t, 74 char const *file, size_t line); 75 #define ng_send_data(h,d,l) \ 76 _ng_send_data(h,d,l,__FILE__,__LINE__) 77 78 typedef void (*ng_msg_handler_t)(char const *, struct ng_mesg *, void *); 79 void ng_register_msg(ng_msg_handler_t proc); 80 int 81 _ng_send_msg(char const *path, char const *msg, 82 char const *file, size_t line); 83 #define ng_send_msg(p,m) \ 84 _ng_send_msg(p,m,__FILE__,__LINE__) 85 86 int ng_handle_event(unsigned int ms, void *ctx); 87 void ng_handle_events(unsigned int ms, void *ctx); 88 89 typedef enum 90 { 91 FAIL, PASS 92 } ng_error_t; 93 ng_error_t ng_errors(ng_error_t); 94 95 void _ng_init(char const *file, size_t line); 96 #define ng_init() \ 97 _ng_init(__FILE__,__LINE__) 98 99 /* Helper function to count received data */ 100 101 typedef int ng_counter_t[10]; 102 #define ng_counter_clear(x)\ 103 bzero((x), sizeof(x)) 104 105 void get_data0(void *data, size_t len, void *ctx); 106 void get_data1(void *data, size_t len, void *ctx); 107 void get_data2(void *data, size_t len, void *ctx); 108 void get_data3(void *data, size_t len, void *ctx); 109 void get_data4(void *data, size_t len, void *ctx); 110 void get_data5(void *data, size_t len, void *ctx); 111 void get_data6(void *data, size_t len, void *ctx); 112 void get_data7(void *data, size_t len, void *ctx); 113 void get_data8(void *data, size_t len, void *ctx); 114 void get_data9(void *data, size_t len, void *ctx); 115