1 /*- 2 * Copyright (c) 2019 Felix Weinrank 3 * 4 * All rights reserved. 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 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef __PROGRAMS_HELPER_H__ 29 #define __PROGRAMS_HELPER_H__ 30 31 #ifndef _WIN32 32 #define SCTP_PACKED __attribute__((packed)) 33 #else 34 #pragma pack (push, 1) 35 #define SCTP_PACKED 36 #endif 37 38 struct sctp_chunk_header { 39 uint8_t chunk_type; /* chunk type */ 40 uint8_t chunk_flags; /* chunk flags */ 41 uint16_t chunk_length; /* chunk length */ 42 /* optional params follow */ 43 } SCTP_PACKED; 44 45 struct sctp_init_chunk { 46 struct sctp_chunk_header ch; 47 uint32_t initiate_tag; /* initiate tag */ 48 uint32_t a_rwnd; /* a_rwnd */ 49 uint16_t num_outbound_streams; /* OS */ 50 uint16_t num_inbound_streams; /* MIS */ 51 uint32_t initial_tsn; /* I-TSN */ 52 /* optional param's follow */ 53 } SCTP_PACKED; 54 55 #ifdef _WIN32 56 #pragma pack(pop) 57 #endif 58 59 #undef SCTP_PACKED 60 61 void 62 handle_notification(union sctp_notification *notif, size_t n); 63 #ifndef timersub 64 #define timersub(tvp, uvp, vvp) \ 65 do { \ 66 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 67 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 68 if ((vvp)->tv_usec < 0) { \ 69 (vvp)->tv_sec--; \ 70 (vvp)->tv_usec += 1000000; \ 71 } \ 72 } while (0) 73 #endif 74 75 void 76 debug_printf_runtime(void); 77 78 void 79 debug_printf_stack(const char *format, ...); 80 81 #define debug_printf(...) \ 82 do { \ 83 fprintf(stderr, "[P]"); \ 84 debug_printf_runtime(); \ 85 fprintf(stderr, __VA_ARGS__); \ 86 } while (0) 87 #endif /* __PROGRAMS_HELPER_H__ */ 88