1 /* 2 * Copyright (C) 2014 John Crispin <blogic@openwrt.org> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License version 2.1 6 * as published by the Free Software Foundation 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 */ 13 14 #ifndef _UTIL_H__ 15 #define _UTIL_H__ 16 17 #include <stdint.h> 18 #include <time.h> 19 20 #define DBG(level, fmt, ...) do { \ 21 umdns_udebug_printf("[%d] [%s:%d] " fmt, level, __func__, __LINE__, ## __VA_ARGS__); \ 22 if (debug >= level) \ 23 fprintf(stderr, "mdnsd: %s (%d): " fmt, __func__, __LINE__, ## __VA_ARGS__); \ 24 } while (0) 25 26 #define MDNS_BUF_LEN (8 * 1024) 27 #define HOSTNAME_LEN 256 28 29 extern int debug; 30 extern uint8_t mdns_buf[MDNS_BUF_LEN]; 31 32 /** 33 * The first label of a host's fully qualified domain name 34 * 35 * E.g. just "example" for the domain name example.local. 36 */ 37 extern char umdns_host_label[HOSTNAME_LEN]; 38 39 extern char mdns_hostname_local[HOSTNAME_LEN + 6]; 40 41 extern void get_hostname(void); 42 extern uint32_t rand_time_delta(uint32_t t); 43 extern time_t monotonic_time(void); 44 45 void umdns_udebug_set_enabled(bool val); 46 void umdns_udebug_printf(const char *format, ...); 47 48 #endif 49
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