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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 <stdio.h>
#include <syslog.h>
#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 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))
/* Placeholders for when we have more comprehensive logging facilities */
#define LOGERR(fmt, ...) do { \
if (fmt) { \
fprintf(stderr, fmt, ##__VA_ARGS__); \
if (errno)\
fprintf(stderr, " with errno %d:%s", errno, strerror(errno)); \
fprintf(stderr, "\n"); \
fflush(stderr); \
} \
} while (0)
#define LOGMSG(fmt, ...) do { \
if (fmt) { \
fprintf(stderr, fmt, ##__VA_ARGS__); \
fprintf(stderr, "\n"); \
fflush(stderr); \
} \
} while (0)
#define LOGWARNING(fmt, ...) LOGMSG(fmt, ##__VA_ARGS__)
#define LOGNOTICE(fmt, ...) LOGMSG(fmt, ##__VA_ARGS__)
#define LOGINFO(fmt, ...) LOGMSG(fmt, ##__VA_ARGS__)
#define LOGDEBUG(fmt, ...) LOGMSG(fmt, ##__VA_ARGS__)
#define IN_FMT_FFL " in %s %s():%d"
#define quitfrom(status, _file, _func, _line, fmt, ...) do { \
if (fmt) { \
fprintf(stderr, fmt IN_FMT_FFL, ##__VA_ARGS__, _file, _func, _line); \
fprintf(stderr, "\n"); \
fflush(stderr); \
} \
exit(status); \
} while (0)
#define quit(status, fmt, ...) do { \
if (fmt) { \
fprintf(stderr, fmt, ##__VA_ARGS__); \
if (status || errno)\
fprintf(stderr, " with errno %d:%s", errno, strerror(errno)); \
fprintf(stderr, "\n"); \
fflush(stderr); \
} \
exit(status); \
} while (0)
#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;
struct proc_instance;
typedef struct proc_instance proc_instance_t;
struct ckpool_instance;
typedef struct ckpool_instance ckpool_t;
struct proc_instance {
ckpool_t *ckp;
unixsock_t us;
char *processname;
char *sockname;
int pid;
int (*process)(proc_instance_t *);
};
struct ckpool_instance {
char *socket_dir;
char *config;
char *name;
/* Process instances of child processes */
proc_instance_t main;
proc_instance_t generator;
};
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 _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 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);
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_time(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 */