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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_LIB_H #define NETDATA_LIB_H 1
# ifdef __cplusplus extern "C" { # endif
#ifdef HAVE_CONFIG_H #include <config.h> #endif
#define OS_LINUX 1 #define OS_FREEBSD 2 #define OS_MACOS 3
// ---------------------------------------------------------------------------- // system include files for all netdata C programs
/* select the memory allocator, based on autoconf findings */ #if defined(ENABLE_JEMALLOC)
#if defined(HAVE_JEMALLOC_JEMALLOC_H) #include <jemalloc/jemalloc.h> #else // !defined(HAVE_JEMALLOC_JEMALLOC_H) #include <malloc.h> #endif // !defined(HAVE_JEMALLOC_JEMALLOC_H)
#elif defined(ENABLE_TCMALLOC)
#include <google/tcmalloc.h>
#else /* !defined(ENABLE_JEMALLOC) && !defined(ENABLE_TCMALLOC) */
#if !(defined(__FreeBSD__) || defined(__APPLE__)) #include <malloc.h> #endif /* __FreeBSD__ || __APPLE__ */
#endif /* !defined(ENABLE_JEMALLOC) && !defined(ENABLE_TCMALLOC) */
// ----------------------------------------------------------------------------
#if defined(__FreeBSD__) #include <pthread_np.h> #define NETDATA_OS_TYPE "freebsd" #elif defined(__APPLE__) #define NETDATA_OS_TYPE "macos" #else #define NETDATA_OS_TYPE "linux" #endif /* __FreeBSD__, __APPLE__*/
#include <pthread.h> #include <errno.h> #include <stdbool.h> #include <stdio.h> #include <stdlib.h> #include <stdarg.h> #include <stddef.h> #include <ctype.h> #include <string.h> #include <strings.h> #include <arpa/inet.h> #include <netinet/tcp.h> #include <sys/ioctl.h> #include <libgen.h> #include <dirent.h> #include <fcntl.h> #include <getopt.h> #include <grp.h> #include <pwd.h> #include <limits.h> #include <locale.h> #include <net/if.h> #include <poll.h> #include <signal.h> #include <syslog.h> #include <sys/mman.h> #include <sys/resource.h> #include <sys/socket.h> #include <sys/syscall.h> #include <sys/time.h> #include <sys/types.h> #include <sys/wait.h> #include <sys/un.h> #include <time.h> #include <unistd.h> #include <uuid/uuid.h> #include <spawn.h> #include <uv.h> #include <assert.h>
// CentOS 7 has older version that doesn't define this // same goes for MacOS #ifndef UUID_STR_LEN #define UUID_STR_LEN (37) #endif
#ifdef HAVE_NETINET_IN_H #include <netinet/in.h> #endif
#ifdef HAVE_RESOLV_H #include <resolv.h> #endif
#ifdef HAVE_NETDB_H #include <netdb.h> #endif
#ifdef HAVE_SYS_PRCTL_H #include <sys/prctl.h> #endif
#ifdef HAVE_SYS_STAT_H #include <sys/stat.h> #endif
#ifdef HAVE_SYS_VFS_H #include <sys/vfs.h> #endif
#ifdef HAVE_SYS_STATFS_H #include <sys/statfs.h> #endif
#ifdef HAVE_LINUX_MAGIC_H #include <linux/magic.h> #endif
#ifdef HAVE_SYS_MOUNT_H #include <sys/mount.h> #endif
#ifdef HAVE_SYS_STATVFS_H #include <sys/statvfs.h> #endif
// #1408 #ifdef MAJOR_IN_MKDEV #include <sys/mkdev.h> #endif #ifdef MAJOR_IN_SYSMACROS #include <sys/sysmacros.h> #endif
#ifdef STORAGE_WITH_MATH #include <math.h> #include <float.h> #endif
#if defined(HAVE_INTTYPES_H) #include <inttypes.h> #elif defined(HAVE_STDINT_H) #include <stdint.h> #endif
#ifdef NETDATA_WITH_ZLIB #include <zlib.h> #endif
#ifdef HAVE_CAPABILITY #include <sys/capability.h> #endif
// ---------------------------------------------------------------------------- // netdata common definitions
#if (SIZEOF_VOID_P == 8) #define ENVIRONMENT64 #elif (SIZEOF_VOID_P == 4) #define ENVIRONMENT32 #else #error "Cannot detect if this is a 32 or 64 bit CPU" #endif
#ifdef __GNUC__ #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) #endif // __GNUC__
#ifdef HAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL #define NEVERNULL __attribute__((returns_nonnull)) #else #define NEVERNULL #endif
#ifdef HAVE_FUNC_ATTRIBUTE_NOINLINE #define NOINLINE __attribute__((noinline)) #else #define NOINLINE #endif
#ifdef HAVE_FUNC_ATTRIBUTE_MALLOC #define MALLOCLIKE __attribute__((malloc)) #else #define MALLOCLIKE #endif
#ifdef HAVE_FUNC_ATTRIBUTE_FORMAT #define PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a))) #else #define PRINTFLIKE(f, a) #endif
#ifdef HAVE_FUNC_ATTRIBUTE_NORETURN #define NORETURN __attribute__ ((noreturn)) #else #define NORETURN #endif
#ifdef HAVE_FUNC_ATTRIBUTE_WARN_UNUSED_RESULT #define WARNUNUSED __attribute__ ((warn_unused_result)) #else #define WARNUNUSED #endif
#define ABS(x) (((x) < 0)? (-(x)) : (x)) #define MIN(a,b) (((a)<(b))?(a):(b)) #define MAX(a,b) (((a)>(b))?(a):(b))
#define GUID_LEN 36
extern void netdata_fix_chart_id(char *s); extern void netdata_fix_chart_name(char *s);
extern void strreverse(char* begin, char* end); extern char *mystrsep(char **ptr, char *s); extern char *trim(char *s); // remove leading and trailing spaces; may return NULL extern char *trim_all(char *buffer); // like trim(), but also remove duplicate spaces inside the string; may return NULL
extern int vsnprintfz(char *dst, size_t n, const char *fmt, va_list args); extern int snprintfz(char *dst, size_t n, const char *fmt, ...) PRINTFLIKE(3, 4);
// memory allocation functions that handle failures #ifdef NETDATA_LOG_ALLOCATIONS extern __thread size_t log_thread_memory_allocations; #define strdupz(s) strdupz_int(__FILE__, __FUNCTION__, __LINE__, s) #define callocz(nmemb, size) callocz_int(__FILE__, __FUNCTION__, __LINE__, nmemb, size) #define mallocz(size) mallocz_int(__FILE__, __FUNCTION__, __LINE__, size) #define reallocz(ptr, size) reallocz_int(__FILE__, __FUNCTION__, __LINE__, ptr, size) #define freez(ptr) freez_int(__FILE__, __FUNCTION__, __LINE__, ptr)
extern char *strdupz_int(const char *file, const char *function, const unsigned long line, const char *s); extern void *callocz_int(const char *file, const char *function, const unsigned long line, size_t nmemb, size_t size); extern void *mallocz_int(const char *file, const char *function, const unsigned long line, size_t size); extern void *reallocz_int(const char *file, const char *function, const unsigned long line, void *ptr, size_t size); extern void freez_int(const char *file, const char *function, const unsigned long line, void *ptr); #else // NETDATA_LOG_ALLOCATIONS extern char *strdupz(const char *s) MALLOCLIKE NEVERNULL; extern void *callocz(size_t nmemb, size_t size) MALLOCLIKE NEVERNULL; extern void *mallocz(size_t size) MALLOCLIKE NEVERNULL; extern void *reallocz(void *ptr, size_t size) MALLOCLIKE NEVERNULL; extern void freez(void *ptr); #endif // NETDATA_LOG_ALLOCATIONS
extern void json_escape_string(char *dst, const char *src, size_t size); extern void json_fix_string(char *s);
extern void *mymmap(const char *filename, size_t size, int flags, int ksm); extern int memory_file_save(const char *filename, void *mem, size_t size);
extern int fd_is_valid(int fd);
extern struct rlimit rlimit_nofile;
extern int enable_ksm;
extern char *fgets_trim_len(char *buf, size_t buf_size, FILE *fp, size_t *len);
extern int verify_netdata_host_prefix();
extern int recursively_delete_dir(const char *path, const char *reason);
extern volatile sig_atomic_t netdata_exit; extern const char *os_type;
extern const char *program_version;
extern char *strdupz_path_subpath(const char *path, const char *subpath); extern int path_is_dir(const char *path, const char *subpath); extern int path_is_file(const char *path, const char *subpath); extern void recursive_config_double_dir_load( const char *user_path , const char *stock_path , const char *subpath , int (*callback)(const char *filename, void *data) , void *data , size_t depth ); extern char *read_by_filename(char *filename, long *file_size); extern char *find_and_replace(const char *src, const char *find, const char *replace, const char *where);
/* fix for alpine linux */ #ifndef RUSAGE_THREAD #ifdef RUSAGE_CHILDREN #define RUSAGE_THREAD RUSAGE_CHILDREN #endif #endif
#define BITS_IN_A_KILOBIT 1000 #define KILOBITS_IN_A_MEGABIT 1000
/* misc. */ #define UNUSED(x) (void)(x) #define error_report(x, args...) do { errno = 0; error(x, ##args); } while(0)
extern void netdata_cleanup_and_exit(int ret) NORETURN; extern void send_statistics(const char *action, const char *action_result, const char *action_data); extern char *netdata_configured_host_prefix; #include "os.h" #include "storage_number/storage_number.h" #include "threads/threads.h" #include "buffer/buffer.h" #include "locks/locks.h" #include "circular_buffer/circular_buffer.h" #include "avl/avl.h" #include "inlined.h" #include "clocks/clocks.h" #include "popen/popen.h" #include "simple_pattern/simple_pattern.h" #ifdef ENABLE_HTTPS # include "socket/security.h" #endif #include "socket/socket.h" #include "config/appconfig.h" #include "log/log.h" #include "procfile/procfile.h" #include "dictionary/dictionary.h" #if defined(HAVE_LIBBPF) && !defined(__cplusplus) #include "ebpf/ebpf.h" #endif #include "eval/eval.h" #include "statistical/statistical.h" #include "adaptive_resortable_list/adaptive_resortable_list.h" #include "url/url.h" #include "json/json.h" #include "health/health.h" #include "string/utf8.h"
// BEWARE: Outside of the C code this also exists in alarm-notify.sh #define DEFAULT_CLOUD_BASE_URL "https://app.netdata.cloud"
# ifdef __cplusplus } # endif
#endif // NETDATA_LIB_H
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