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Diffstat (limited to 'programs/programs_helper.h')
| -rw-r--r-- | programs/programs_helper.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/programs/programs_helper.h b/programs/programs_helper.h new file mode 100644 index 00000000..2a1da5f5 --- /dev/null +++ b/programs/programs_helper.h @@ -0,0 +1,87 @@ +/*- + * Copyright (c) 2019 Felix Weinrank + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef __PROGRAMS_HELPER_H__ +#define __PROGRAMS_HELPER_H__ + +#ifndef _WIN32 +#define SCTP_PACKED __attribute__((packed)) +#else +#pragma pack (push, 1) +#define SCTP_PACKED +#endif + +struct sctp_chunk_header { + uint8_t chunk_type; /* chunk type */ + uint8_t chunk_flags; /* chunk flags */ + uint16_t chunk_length; /* chunk length */ + /* optional params follow */ +} SCTP_PACKED; + +struct sctp_init_chunk { + struct sctp_chunk_header ch; + uint32_t initiate_tag; /* initiate tag */ + uint32_t a_rwnd; /* a_rwnd */ + uint16_t num_outbound_streams; /* OS */ + uint16_t num_inbound_streams; /* MIS */ + uint32_t initial_tsn; /* I-TSN */ + /* optional param's follow */ +} SCTP_PACKED; + +#ifdef _WIN32 +#pragma pack(pop) +#endif + +#undef SCTP_PACKED + +void +handle_notification(union sctp_notification *notif, size_t n); +#ifndef timersub +#define timersub(tvp, uvp, vvp) \ + do { \ + (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ + (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ + if ((vvp)->tv_usec < 0) { \ + (vvp)->tv_sec--; \ + (vvp)->tv_usec += 1000000; \ + } \ + } while (0) +#endif + +void +debug_printf_runtime(void); + +void +debug_printf_stack(const char *format, ...); + +#define debug_printf(...) \ + do { \ + fprintf(stderr, "[P]"); \ + debug_printf_runtime(); \ + fprintf(stderr, __VA_ARGS__); \ + } while (0) +#endif /* __PROGRAMS_HELPER_H__ */ |