1 #ifndef NETDATA_COMMON_H
2 #define NETDATA_COMMON_H 1
8 // ----------------------------------------------------------------------------
9 // system include files for all netdata C programs
11 /* select the memory allocator, based on autoconf findings */
12 #if defined(ENABLE_JEMALLOC)
14 #if defined(HAVE_JEMALLOC_JEMALLOC_H)
15 #include <jemalloc/jemalloc.h>
20 #elif defined(ENABLE_TCMALLOC)
22 #include <google/tcmalloc.h>
24 #else /* !defined(ENABLE_JEMALLOC) && !defined(ENABLE_TCMALLOC) */
26 #if !(defined(__FreeBSD__) || defined(__APPLE__))
28 #endif /* __FreeBSD__ || __APPLE__ */
41 #include <arpa/inet.h>
42 #include <netinet/tcp.h>
44 #ifdef HAVE_NETINET_IN_H
45 #include <netinet/in.h>
70 #if !(defined(__FreeBSD__) || defined(__APPLE__))
71 #include <sys/prctl.h>
72 #endif /* __FreeBSD__ || __APPLE__*/
74 #include <sys/resource.h>
75 #include <sys/socket.h>
77 #include <sys/statvfs.h>
78 #include <sys/syscall.h>
80 #include <sys/types.h>
84 #include <uuid/uuid.h>
88 #include <sys/mkdev.h>
90 #ifdef MAJOR_IN_SYSMACROS
91 #include <sys/sysmacros.h>
98 #ifdef STORAGE_WITH_MATH
102 #if defined(HAVE_INTTYPES_H)
103 #include <inttypes.h>
104 #elif defined(HAVE_STDINT_H)
108 #ifdef NETDATA_WITH_ZLIB
112 // ----------------------------------------------------------------------------
113 // netdata common definitions
115 #if (SIZEOF_VOID_P == 8)
116 #define ENVIRONMENT64
117 #elif (SIZEOF_VOID_P == 4)
118 #define ENVIRONMENT32
120 #error "Cannot detect if this is a 32 or 64 bit CPU"
124 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
127 #ifdef HAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL
128 #define NEVERNULL __attribute__((returns_nonnull))
133 #ifdef HAVE_FUNC_ATTRIBUTE_MALLOC
134 #define MALLOCLIKE __attribute__((malloc))
139 #ifdef HAVE_FUNC_ATTRIBUTE_FORMAT
140 #define PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a)))
142 #define PRINTFLIKE(f, a)
145 #ifdef HAVE_FUNC_ATTRIBUTE_NORETURN
146 #define NORETURN __attribute__ ((noreturn))
151 #ifdef HAVE_FUNC_ATTRIBUTE_WARN_UNUSED_RESULT
152 #define WARNUNUSED __attribute__ ((warn_unused_result))
160 #define abs(x) ((x < 0)? -x : x)
164 // ----------------------------------------------------------------------------
165 // netdata include files
170 #include "global_statistics.h"
171 #include "storage_number.h"
172 #include "web_buffer.h"
173 #include "web_buffer_svg.h"
177 #include "procfile.h"
178 #include "appconfig.h"
179 #include "dictionary.h"
180 #include "proc_self_mountinfo.h"
181 #include "plugin_checks.h"
182 #include "plugin_idlejitter.h"
183 #include "plugin_nfacct.h"
185 #if defined(__FreeBSD__)
186 #include "plugin_freebsd.h"
187 #elif defined(__APPLE__)
188 #include "plugin_macos.h"
190 #include "plugin_proc.h"
191 #include "plugin_proc_diskspace.h"
192 #endif /* __FreeBSD__, __APPLE__*/
194 #include "plugin_tc.h"
195 #include "plugins_d.h"
200 #include "rrd2json.h"
201 #include "web_client.h"
202 #include "web_server.h"
203 #include "registry.h"
206 #include "unit_test.h"
208 #include "backends.h"
210 extern void netdata_fix_chart_id(char *s);
211 extern void netdata_fix_chart_name(char *s);
213 extern uint32_t simple_hash(const char *name);
214 extern uint32_t simple_uhash(const char *name);
216 extern void strreverse(char* begin, char* end);
217 extern char *mystrsep(char **ptr, char *s);
218 extern char *trim(char *s);
220 extern char *strncpyz(char *dst, const char *src, size_t n);
221 extern int vsnprintfz(char *dst, size_t n, const char *fmt, va_list args);
222 extern int snprintfz(char *dst, size_t n, const char *fmt, ...) PRINTFLIKE(3, 4);
224 // memory allocation functions that handle failures
225 #ifdef NETDATA_LOG_ALLOCATIONS
226 #define strdupz(s) strdupz_int(__FILE__, __FUNCTION__, __LINE__, s)
227 #define callocz(nmemb, size) callocz_int(__FILE__, __FUNCTION__, __LINE__, nmemb, size)
228 #define mallocz(size) mallocz_int(__FILE__, __FUNCTION__, __LINE__, size)
229 #define reallocz(ptr, size) reallocz_int(__FILE__, __FUNCTION__, __LINE__, ptr, size)
230 #define freez(ptr) freez_int(__FILE__, __FUNCTION__, __LINE__, ptr)
232 extern char *strdupz_int(const char *file, const char *function, const unsigned long line, const char *s);
233 extern void *callocz_int(const char *file, const char *function, const unsigned long line, size_t nmemb, size_t size);
234 extern void *mallocz_int(const char *file, const char *function, const unsigned long line, size_t size);
235 extern void *reallocz_int(const char *file, const char *function, const unsigned long line, void *ptr, size_t size);
236 extern void freez_int(const char *file, const char *function, const unsigned long line, void *ptr);
238 extern char *strdupz(const char *s) MALLOCLIKE NEVERNULL;
239 extern void *callocz(size_t nmemb, size_t size) MALLOCLIKE NEVERNULL;
240 extern void *mallocz(size_t size) MALLOCLIKE NEVERNULL;
241 extern void *reallocz(void *ptr, size_t size) MALLOCLIKE NEVERNULL;
242 extern void freez(void *ptr);
245 extern void json_escape_string(char *dst, const char *src, size_t size);
247 extern void *mymmap(const char *filename, size_t size, int flags, int ksm);
248 extern int savememory(const char *filename, void *mem, size_t size);
250 extern int fd_is_valid(int fd);
252 extern char *global_host_prefix;
253 extern int enable_ksm;
255 extern pid_t gettid(void);
257 extern int sleep_usec(usec_t usec);
259 extern char *fgets_trim_len(char *buf, size_t buf_size, FILE *fp, size_t *len);
261 extern int processors;
262 extern long get_system_cpus(void);
264 extern pid_t pid_max;
265 extern pid_t get_system_pid_max(void);
267 /* Number of ticks per second */
268 extern unsigned int hz;
269 extern void get_system_HZ(void);
272 /* fix for alpine linux */
273 #ifndef RUSAGE_THREAD
274 #ifdef RUSAGE_CHILDREN
275 #define RUSAGE_THREAD RUSAGE_CHILDREN
279 extern int read_single_number_file(const char *filename, unsigned long long *result);
282 NETDATA_SIMPLE_PATTERN_MODE_EXACT,
283 NETDATA_SIMPLE_PATTERN_MODE_PREFIX,
284 NETDATA_SIMPLE_PATTERN_MODE_SUFFIX,
285 NETDATA_SIMPLE_PATTERN_MODE_SUBSTRING
286 } NETDATA_SIMPLE_PREFIX_MODE;
287 typedef void NETDATA_SIMPLE_PATTERN;
288 extern NETDATA_SIMPLE_PATTERN *netdata_simple_pattern_list_create(const char *list, NETDATA_SIMPLE_PREFIX_MODE default_mode);
289 extern int netdata_simple_pattern_list_matches(NETDATA_SIMPLE_PATTERN *list, const char *str);
291 #endif /* NETDATA_COMMON_H */