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ckpool/src/libckpool.h

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/*
* Copyright 2014 Con Kolivas
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
/* This file should contain all exported functions of libckpool */
#ifndef LIBCKPOOL_H
#define LIBCKPOOL_H
#include <errno.h>
#include <jansson.h>
#include <pthread.h>
#include <signal.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <syslog.h>
#if HAVE_BYTESWAP_H
# include <byteswap.h>
#endif
#if HAVE_ENDIAN_H
# include <endian.h>
#elif HAVE_SYS_ENDIAN_H
# include <sys/endian.h>
#endif
#ifndef bswap_16
#define bswap_16 __builtin_bswap16
#define bswap_32 __builtin_bswap32
#define bswap_64 __builtin_bswap64
#endif
/* This assumes htobe32 is a macro in endian.h, and if it doesn't exist, then
* htobe64 also won't exist */
#ifndef htobe32
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define htole16(x) (x)
# define le16toh(x) (x)
# define htole32(x) (x)
# define htole64(x) (x)
# define le32toh(x) (x)
# define le64toh(x) (x)
# define be32toh(x) bswap_32(x)
# define be64toh(x) bswap_64(x)
# define htobe16(x) bswap_16(x)
# define htobe32(x) bswap_32(x)
# define htobe64(x) bswap_64(x)
# elif __BYTE_ORDER == __BIG_ENDIAN
# define htole16(x) bswap_16(x)
# define le16toh(x) bswap_16(x)
# define htole32(x) bswap_32(x)
# define le32toh(x) bswap_32(x)
# define le64toh(x) bswap_64(x)
# define htole64(x) bswap_64(x)
# define be32toh(x) (x)
# define be64toh(x) (x)
# define htobe16(x) (x)
# define htobe32(x) (x)
# define htobe64(x) (x)
# endif
#endif
#define unlikely(expr) (__builtin_expect(!!(expr), 0))
#define likely(expr) (__builtin_expect(!!(expr), 1))
#define __maybe_unused __attribute__((unused))
#define uninitialised_var(x) x = x
typedef unsigned char uchar;
typedef struct timeval tv_t;
typedef struct timespec ts_t;
static inline void swap_256(void *dest_p, const void *src_p)
{
uint32_t *dest = dest_p;
const uint32_t *src = src_p;
dest[0] = src[7];
dest[1] = src[6];
dest[2] = src[5];
dest[3] = src[4];
dest[4] = src[3];
dest[5] = src[2];
dest[6] = src[1];
dest[7] = src[0];
}
static inline void bswap_256(void *dest_p, const void *src_p)
{
uint32_t *dest = dest_p;
const uint32_t *src = src_p;
dest[0] = bswap_32(src[7]);
dest[1] = bswap_32(src[6]);
dest[2] = bswap_32(src[5]);
dest[3] = bswap_32(src[4]);
dest[4] = bswap_32(src[3]);
dest[5] = bswap_32(src[2]);
dest[6] = bswap_32(src[1]);
dest[7] = bswap_32(src[0]);
}
static inline void flip_32(void *dest_p, const void *src_p)
{
uint32_t *dest = dest_p;
const uint32_t *src = src_p;
int i;
for (i = 0; i < 8; i++)
dest[i] = bswap_32(src[i]);
}
static inline void flip_80(void *dest_p, const void *src_p)
{
uint32_t *dest = dest_p;
const uint32_t *src = src_p;
int i;
for (i = 0; i < 20; i++)
dest[i] = bswap_32(src[i]);
}
#define mutex_lock(_lock) _mutex_lock(_lock, __FILE__, __func__, __LINE__)
#define mutex_unlock_noyield(_lock) _mutex_unlock_noyield(_lock, __FILE__, __func__, __LINE__)
#define mutex_unlock(_lock) _mutex_unlock(_lock, __FILE__, __func__, __LINE__)
#define mutex_trylock(_lock) _mutex_trylock(_lock, __FILE__, __func__, __LINE__)
#define wr_lock(_lock) _wr_lock(_lock, __FILE__, __func__, __LINE__)
#define wr_trylock(_lock) _wr_trylock(_lock, __FILE__, __func__, __LINE__)
#define rd_lock(_lock) _rd_lock(_lock, __FILE__, __func__, __LINE__)
#define rw_unlock(_lock) _rw_unlock(_lock, __FILE__, __func__, __LINE__)
#define rd_unlock_noyield(_lock) _rd_unlock_noyield(_lock, __FILE__, __func__, __LINE__)
#define wr_unlock_noyield(_lock) _wr_unlock_noyield(_lock, __FILE__, __func__, __LINE__)
#define rd_unlock(_lock) _rd_unlock(_lock, __FILE__, __func__, __LINE__)
#define wr_unlock(_lock) _wr_unlock(_lock, __FILE__, __func__, __LINE__)
#define mutex_init(_lock) _mutex_init(_lock, __FILE__, __func__, __LINE__)
#define rwlock_init(_lock) _rwlock_init(_lock, __FILE__, __func__, __LINE__)
#define cond_init(_cond) _cond_init(_cond, __FILE__, __func__, __LINE__)
#define cklock_init(_lock) _cklock_init(_lock, __FILE__, __func__, __LINE__)
#define ck_rlock(_lock) _ck_rlock(_lock, __FILE__, __func__, __LINE__)
#define ck_ilock(_lock) _ck_ilock(_lock, __FILE__, __func__, __LINE__)
#define ck_uilock(_lock) _ck_uilock(_lock, __FILE__, __func__, __LINE__)
#define ck_ulock(_lock) _ck_ulock(_lock, __FILE__, __func__, __LINE__)
#define ck_wlock(_lock) _ck_wlock(_lock, __FILE__, __func__, __LINE__)
#define ck_dwlock(_lock) _ck_dwlock(_lock, __FILE__, __func__, __LINE__)
#define ck_dwilock(_lock) _ck_dwilock(_lock, __FILE__, __func__, __LINE__)
#define ck_dlock(_lock) _ck_dlock(_lock, __FILE__, __func__, __LINE__)
#define ck_runlock(_lock) _ck_runlock(_lock, __FILE__, __func__, __LINE__)
#define ck_wunlock(_lock) _ck_wunlock(_lock, __FILE__, __func__, __LINE__)
#define ckalloc(len) _ckalloc(len, __FILE__, __func__, __LINE__)
#define ckzalloc(len) _ckzalloc(len, __FILE__, __func__, __LINE__)
#define dealloc(ptr) _dealloc((void *)&(ptr))
/* Should be defined in syslog, but keeping them here is a reminder of their
* values. */
#ifndef LOG_ERR
#define LOG_EMERG 0 /* system is unusable */
#define LOG_ALERT 1 /* action must be taken immediately */
#define LOG_CRIT 2 /* critical conditions */
#define LOG_ERR 3 /* error conditions */
#define LOG_WARNING 4 /* warning conditions */
#define LOG_NOTICE 5 /* normal but significant condition */
#define LOG_INFO 6 /* informational */
#define LOG_DEBUG 7 /* debug-level messages */
#endif
#define PAGESIZE (4096)
/* ck locks, a write biased variant of rwlocks */
struct cklock {
pthread_mutex_t mutex;
pthread_rwlock_t rwlock;
};
typedef struct cklock cklock_t;
struct connsock {
int fd;
char *url;
char *port;
char *auth;
char *buf;
};
typedef struct connsock connsock_t;
struct unixsock {
int sockd;
char *path;
};
typedef struct unixsock unixsock_t;
typedef struct proc_instance proc_instance_t;
void rename_proc(const char *name);
void create_pthread(pthread_t *thread, void *(*start_routine)(void *), void *arg);
void join_pthread(pthread_t thread);
void _mutex_lock(pthread_mutex_t *lock, const char *file, const char *func, const int line);
void _mutex_unlock_noyield(pthread_mutex_t *lock, const char *file, const char *func, const int line);
void _mutex_unlock(pthread_mutex_t *lock, const char *file, const char *func, const int line);
int _mutex_trylock(pthread_mutex_t *lock, __maybe_unused const char *file, __maybe_unused const char *func, __maybe_unused const int line);
void _wr_lock(pthread_rwlock_t *lock, const char *file, const char *func, const int line);
int _wr_trylock(pthread_rwlock_t *lock, __maybe_unused const char *file, __maybe_unused const char *func, __maybe_unused const int line);
void _rd_lock(pthread_rwlock_t *lock, const char *file, const char *func, const int line);
void _rw_unlock(pthread_rwlock_t *lock, const char *file, const char *func, const int line);
void _rd_unlock_noyield(pthread_rwlock_t *lock, const char *file, const char *func, const int line);
void _wr_unlock_noyield(pthread_rwlock_t *lock, const char *file, const char *func, const int line);
void _rd_unlock(pthread_rwlock_t *lock, const char *file, const char *func, const int line);
void _wr_unlock(pthread_rwlock_t *lock, const char *file, const char *func, const int line);
void _mutex_init(pthread_mutex_t *lock, const char *file, const char *func, const int line);
void mutex_destroy(pthread_mutex_t *lock);
void _rwlock_init(pthread_rwlock_t *lock, const char *file, const char *func, const int line);
void rwlock_destroy(pthread_rwlock_t *lock);
void _cond_init(pthread_cond_t *cond, const char *file, const char *func, const int line);
void _cklock_init(cklock_t *lock, const char *file, const char *func, const int line);
void cklock_destroy(cklock_t *lock);
void _ck_rlock(cklock_t *lock, const char *file, const char *func, const int line);
void _ck_ilock(cklock_t *lock, const char *file, const char *func, const int line);
void _ck_uilock(cklock_t *lock, const char *file, const char *func, const int line);
void _ck_ulock(cklock_t *lock, const char *file, const char *func, const int line);
void _ck_wlock(cklock_t *lock, const char *file, const char *func, const int line);
void _ck_dwlock(cklock_t *lock, const char *file, const char *func, const int line);
void _ck_dwilock(cklock_t *lock, const char *file, const char *func, const int line);
void _ck_dlock(cklock_t *lock, const char *file, const char *func, const int line);
void _ck_runlock(cklock_t *lock, const char *file, const char *func, const int line);
void _ck_wunlock(cklock_t *lock, const char *file, const char *func, const int line);
static inline bool sock_connecting(void)
{
return errno == EINPROGRESS;
}
static inline bool sock_blocks(void)
{
return (errno == EAGAIN || errno == EWOULDBLOCK);
}
static inline bool sock_timeout(void)
{
return (errno == ETIMEDOUT);
}
static inline bool interrupted(void)
{
return (errno == EINTR);
}
bool extract_sockaddr(char *url, char **sockaddr_url, char **sockaddr_port);
void keep_sockalive(int fd);
void noblock_socket(int fd);
void block_socket(int fd);
int bind_socket(char *url, char *port);
int connect_socket(char *url, char *port);
int write_socket(int fd, const void *buf, size_t nbyte);
int read_socket_line(connsock_t *cs);
void empty_socket(int fd);
void close_unix_socket(const int sockd, const char *server_path);
int open_unix_server(const char *server_path);
int open_unix_client(const char *server_path);
int wait_read_select(int sockd, int timeout);
int read_length(int sockd, void *buf, int len);
char *recv_unix_msg(int sockd);
bool send_unix_msg(int sockd, const char *buf);
bool send_proc(proc_instance_t *pi, const char *msg);
char *send_recv_proc(proc_instance_t *pi, const char *msg);
json_t *json_rpc_call(connsock_t *cs, const char *rpc_req);
void align_len(size_t *len);
void realloc_strcat(char **ptr, const char *s);
void *_ckalloc(size_t len, const char *file, const char *func, const int line);
void *_ckzalloc(size_t len, const char *file, const char *func, const int line);
void _dealloc(void **ptr);
void __bin2hex(void *vs, const void *vp, size_t len);
void *bin2hex(const void *vp, size_t len);
bool hex2bin(void *p, const void *vhexstr, size_t len);
char *http_base64(const char *src);
void b58tobin(char *b58bin, const char *b58);
void address_to_pubkeytxn(char *pkh, const char *addr);
int ser_number(uchar *s, int32_t val);
bool fulltest(const uchar *hash, const uchar *target);
void copy_tv(tv_t *dest, const tv_t *src);
void ts_to_tv(tv_t *val, const ts_t *spec);
void tv_to_ts(ts_t *spec, const tv_t *val);
void us_to_tv(tv_t *val, int64_t us);
void us_to_ts(ts_t *spec, int64_t us);
void ms_to_ts(ts_t *spec, int64_t ms);
void ms_to_tv(tv_t *val, int64_t ms);
void tv_time(tv_t *tv);
void ts_realtime(ts_t *ts);
void cksleep_prepare_r(ts_t *ts);
void nanosleep_abstime(ts_t *ts_end);
void timeraddspec(ts_t *a, const ts_t *b);
void cksleep_ms_r(ts_t *ts_start, int ms);
void cksleep_us_r(ts_t *ts_start, int64_t us);
void cksleep_ms(int ms);
void cksleep_us(int64_t us);
double us_tvdiff(tv_t *end, tv_t *start);
int ms_tvdiff(tv_t *end, tv_t *start);
double tvdiff(tv_t *end, tv_t *start);
void decay_time(double *f, double fadd, double fsecs, double interval);
void suffix_string(double val, char *buf, size_t bufsiz, int sigdigits);
double le256todouble(const uchar *target);
double diff_from_target(uchar *target);
double diff_from_header(uchar *header);
void target_from_diff(uchar *target, double diff);
void gen_hash(uchar *data, uchar *hash, int len);
#endif /* LIBCKPOOL_H */