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Diffstat (limited to 'src/libnetdata/common.h')
| -rw-r--r-- | src/libnetdata/common.h | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/src/libnetdata/common.h b/src/libnetdata/common.h new file mode 100644 index 000000000..aafe51176 --- /dev/null +++ b/src/libnetdata/common.h @@ -0,0 +1,419 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +/* + * This file should include everything from the operating system needed to compile Netdata, + * without any Netdata specific includes. + * + * It should be the baseline of includes (operating system and common libraries related). + */ + +#ifndef LIBNETDATA_COMMON_H +#define LIBNETDATA_COMMON_H + +# ifdef __cplusplus +extern "C" { +# endif + +#include "config.h" + +#if defined(NETDATA_DEV_MODE) && !defined(NETDATA_INTERNAL_CHECKS) +#define NETDATA_INTERNAL_CHECKS 1 +#endif + +#ifndef SIZEOF_VOID_P +#error SIZEOF_VOID_P is not defined +#endif + +#if SIZEOF_VOID_P == 4 +#define ENV32BIT 1 +#else +#define ENV64BIT 1 +#endif + +#ifdef HAVE_LIBDATACHANNEL +#define ENABLE_WEBRTC 1 +#endif + +#define STRINGIFY(x) #x +#define TOSTRING(x) STRINGIFY(x) + +// -------------------------------------------------------------------------------------------------------------------- +// NETDATA_OS_TYPE + +#if defined(__FreeBSD__) +#include <pthread_np.h> +#define NETDATA_OS_TYPE "freebsd" +#elif defined(__APPLE__) +#define NETDATA_OS_TYPE "macos" +#elif defined(OS_WINDOWS) +#define NETDATA_OS_TYPE "windows" +#else +#define NETDATA_OS_TYPE "linux" +#endif /* __FreeBSD__, __APPLE__*/ + +// -------------------------------------------------------------------------------------------------------------------- +// memory allocators + +/* 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) */ + +// -------------------------------------------------------------------------------------------------------------------- + +#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 <libgen.h> +#include <dirent.h> +#include <fcntl.h> +#include <getopt.h> +#include <limits.h> +#include <locale.h> +#include <signal.h> +#include <sys/time.h> +#include <sys/types.h> +#include <time.h> +#include <unistd.h> +#include <uv.h> +#include <assert.h> + +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif + +#ifdef HAVE_NETINET_TCP_H +#include <netinet/tcp.h> +#endif + +#ifdef HAVE_SYS_IOCTL_H +#include <sys/ioctl.h> +#endif + +#ifdef HAVE_GRP_H +#include <grp.h> +#else +typedef uint32_t gid_t; +#endif + +#ifdef HAVE_PWD_H +#include <pwd.h> +#else +typedef uint32_t uid_t; +#endif + +#ifdef HAVE_NET_IF_H +#include <net/if.h> +#endif + +#ifdef HAVE_POLL_H +#include <poll.h> +#endif + +#ifdef HAVE_SYSLOG_H +#include <syslog.h> +#else +/* priorities */ +#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 */ + +/* facility codes */ +#define LOG_KERN (0<<3) /* kernel messages */ +#define LOG_USER (1<<3) /* random user-level messages */ +#define LOG_MAIL (2<<3) /* mail system */ +#define LOG_DAEMON (3<<3) /* system daemons */ +#define LOG_AUTH (4<<3) /* security/authorization messages */ +#define LOG_SYSLOG (5<<3) /* messages generated internally by syslogd */ +#define LOG_LPR (6<<3) /* line printer subsystem */ +#define LOG_NEWS (7<<3) /* network news subsystem */ +#define LOG_UUCP (8<<3) /* UUCP subsystem */ +#define LOG_CRON (9<<3) /* clock daemon */ +#define LOG_AUTHPRIV (10<<3) /* security/authorization messages (private) */ +#define LOG_FTP (11<<3) /* ftp daemon */ + +/* other codes through 15 reserved for system use */ +#define LOG_LOCAL0 (16<<3) /* reserved for local use */ +#define LOG_LOCAL1 (17<<3) /* reserved for local use */ +#define LOG_LOCAL2 (18<<3) /* reserved for local use */ +#define LOG_LOCAL3 (19<<3) /* reserved for local use */ +#define LOG_LOCAL4 (20<<3) /* reserved for local use */ +#define LOG_LOCAL5 (21<<3) /* reserved for local use */ +#define LOG_LOCAL6 (22<<3) /* reserved for local use */ +#define LOG_LOCAL7 (23<<3) /* reserved for local use */ +#endif + +#ifdef HAVE_SYS_MMAN_H +#include <sys/mman.h> +#endif + +#ifdef HAVE_SYS_RESOURCE_H +#include <sys/resource.h> +#endif + +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif + +#ifdef HAVE_SYS_WAIT_H +#include <sys/wait.h> +#endif + +#ifdef HAVE_SYS_UN_H +#include <sys/un.h> +#endif + +#ifdef HAVE_SPAWN_H +#include <spawn.h> +#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 + +#include <math.h> +#include <float.h> + +#if defined(HAVE_INTTYPES_H) +#include <inttypes.h> +#elif defined(HAVE_STDINT_H) +#include <stdint.h> +#endif + +#include <zlib.h> + +#ifdef HAVE_SYS_CAPABILITY_H +#include <sys/capability.h> +#endif + +#define XXH_INLINE_ALL +#include "xxHash/xxhash.h" + +// -------------------------------------------------------------------------------------------------------------------- +// OpenSSL + +#define OPENSSL_VERSION_095 0x00905100L +#define OPENSSL_VERSION_097 0x0907000L +#define OPENSSL_VERSION_110 0x10100000L +#define OPENSSL_VERSION_111 0x10101000L +#define OPENSSL_VERSION_300 0x30000000L + +#include <openssl/ssl.h> +#include <openssl/rand.h> +#include <openssl/err.h> +#include <openssl/evp.h> +#include <openssl/pem.h> +#if (SSLEAY_VERSION_NUMBER >= OPENSSL_VERSION_097) && (OPENSSL_VERSION_NUMBER < OPENSSL_VERSION_110) +#include <openssl/conf.h> +#endif + +#if OPENSSL_VERSION_NUMBER >= OPENSSL_VERSION_300 +#include <openssl/core_names.h> +#include <openssl/decoder.h> +#endif + +// -------------------------------------------------------------------------------------------------------------------- + +#ifndef O_CLOEXEC +#define O_CLOEXEC (0) +#endif + +// -------------------------------------------------------------------------------------------------------------------- +// FUNCTION ATTRIBUTES + +#define _cleanup_(x) __attribute__((__cleanup__(x))) + +#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 + +#if defined(HAVE_FUNC_ATTRIBUTE_FORMAT_GNU_PRINTF) +#define PRINTFLIKE(f, a) __attribute__ ((format(gnu_printf, f, a))) +#elif defined(HAVE_FUNC_ATTRIBUTE_FORMAT_PRINTF) +#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 UNUSED(x) (void)(x) + +#ifdef __GNUC__ +#define UNUSED_FUNCTION(x) __attribute__((unused)) UNUSED_##x +#else +#define UNUSED_FUNCTION(x) UNUSED_##x +#endif + +// -------------------------------------------------------------------------------------------------------------------- +// fix for alpine linux + +#if !defined(RUSAGE_THREAD) && defined(RUSAGE_CHILDREN) +#define RUSAGE_THREAD RUSAGE_CHILDREN +#endif + +// -------------------------------------------------------------------------------------------------------------------- +// HELPFUL MACROS + +#define ABS(x) (((x) < 0)? (-(x)) : (x)) +#define MIN(a,b) (((a)<(b))?(a):(b)) +#define MAX(a,b) (((a)>(b))?(a):(b)) +#define SWAP(a, b) do { \ + typeof(a) _tmp = b; \ + b = a; \ + a = _tmp; \ +} while(0) + +// -------------------------------------------------------------------------------------------------------------------- +// NETDATA CLOUD + +// BEWARE: this exists in alarm-notify.sh +#define DEFAULT_CLOUD_BASE_URL "https://app.netdata.cloud" + +// -------------------------------------------------------------------------------------------------------------------- +// DBENGINE + +#define RRD_STORAGE_TIERS 5 + +// -------------------------------------------------------------------------------------------------------------------- +// PIPES + +#define PIPE_READ 0 +#define PIPE_WRITE 1 + +// -------------------------------------------------------------------------------------------------------------------- +// UUIDs + +#define GUID_LEN 36 + +// -------------------------------------------------------------------------------------------------------------------- +// Macro-only includes + +#include "linked_lists/linked_lists.h" + +// -------------------------------------------------------------------------------------------------------------------- + +// Taken from linux kernel +#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) + +// -------------------------------------------------------------------------------------------------------------------- + +#if defined(OS_WINDOWS) +#include <windows.h> +#include <wctype.h> +#include <wchar.h> +#include <tchar.h> +#include <guiddef.h> +#include <io.h> +#include <fcntl.h> +#include <process.h> +#include <tlhelp32.h> +#include <sys/cygwin.h> +#include <winevt.h> +#include <evntprov.h> +#include <wbemidl.h> +#include <sddl.h> +// #include <winternl.h> // conflicts on STRING, +#endif + +# ifdef __cplusplus +} +# endif + +#endif //LIBNETDATA_COMMON_H |