1 /* 2 * PgBouncer - Lightweight connection pooler for PostgreSQL. 3 * 4 * Copyright (c) 2007-2009 Marko Kreen, Skype Technologies OÜ 5 * 6 * Permission to use, copy, modify, and/or distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /* 20 * logging about specific socket 21 */ 22 int log_socket_prefix(enum LogLevel lev, void *ctx, char *dst, unsigned int dstlen); 23 24 #define slog_error(sk, args...) log_generic(LG_ERROR, sk, ## args) 25 #define slog_warning(sk, args...) log_generic(LG_WARNING, sk, ## args) 26 #define slog_info(sk, args...) log_generic(LG_INFO, sk, ## args) 27 #define slog_debug(sk, args...) do { \ 28 if (unlikely(cf_verbose > 0)) \ 29 log_generic(LG_DEBUG, sk, ## args); \ 30 } while (0) 31 #define slog_noise(sk, args...) do { \ 32 if (unlikely(cf_verbose > 1)) \ 33 log_generic(LG_NOISE, sk, ## args); \ 34 } while (0) 35 36 /* 37 * password tools 38 */ 39 #define MD5_PASSWD_LEN 35 40 void pg_md5_encrypt(const char *part1, const char *part2, size_t p2len, char *dest); 41 void get_random_bytes(uint8_t *dest, int len); 42 43 const char *bin2hex(const uint8_t *src, unsigned srclen, char *dst, unsigned dstlen); 44 45 bool tune_socket(int sock, bool is_unix) _MUSTCHECK; 46 47 bool strlist_contains(const char *liststr, const char *str); 48 49 void fill_remote_addr(PgSocket *sk, int fd, bool is_unix); 50 void fill_local_addr(PgSocket *sk, int fd, bool is_unix); 51 52 53 void rescue_timers(void); 54 void safe_evtimer_add(struct event *ev, struct timeval *tv); 55 56 /* log truncated strings */ 57 #define safe_strcpy(dst, src, dstlen) do { \ 58 size_t needed = strlcpy(dst, src, dstlen); \ 59 if (unlikely(needed >= (dstlen))) \ 60 log_warning("bug in %s:%d - string truncated", __FILE__, __LINE__); \ 61 } while (0) 62