sigar/include/sigar_private.h

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#ifndef SIGAR_PRIVATE_DOT_H
#define SIGAR_PRIVATE_DOT_H
#include "sigar_log.h"
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#ifndef WIN32
#include <unistd.h>
#include <strings.h>
#endif
/* common to all os sigar_t's */
/* XXX: this is ugly; but don't want the same stuffs
* duplicated on 4 platforms and am too lazy to change
* sigar_t to the way it was originally where sigar_t was
* common and contained a sigar_os_t.
* feel free trav ;-)
*/
#define SIGAR_T_BASE \
int log_level; \
void *log_data; \
sigar_log_impl_t log_impl; \
unsigned int ncpu; \
unsigned long version; \
unsigned long boot_time; \
int ticks; \
sigar_pid_t pid; \
char errbuf[256]; \
char *ifconf_buf; \
int ifconf_len
#if defined(WIN32)
# define SIGAR_INLINE __inline
#elif defined(__GNUC__)
# define SIGAR_INLINE inline
#else
# define SIGAR_INLINE
#endif
#define SIGAR_ZERO(s) \
memset(s, '\0', sizeof(*(s)))
#define SIGAR_STRNCPY(dest, src, len) \
strncpy(dest, src, len); \
dest[len-1] = '\0'
/* we use fixed size buffers pretty much everywhere */
/* this is strncpy + ensured \0 terminator */
#define SIGAR_SSTRCPY(dest, src) \
SIGAR_STRNCPY(dest, src, sizeof(dest))
#ifndef strEQ
#define strEQ(s1, s2) (strcmp(s1, s2) == 0)
#endif
#ifndef strnEQ
#define strnEQ(s1, s2, n) (strncmp(s1, s2, n) == 0)
#endif
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#define SIGAR_SEC2NANO(s) \
((sigar_uint64_t)(s) * (sigar_uint64_t)1000000000)
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/* cpu ticks to seconds */
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#define SIGAR_TICK2SEC(s) ((s) / sigar->ticks)
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#define SIGAR_LAST_PROC_EXPIRE 2
#define SIGAR_FS_MAX 10
#define SIGAR_CPU_INFO_MAX 4
#define SIGAR_CPU_LIST_MAX 4
#define SIGAR_PROC_LIST_MAX 256
#define SIGAR_PROC_ARGS_MAX 12
#define SIGAR_NET_ROUTE_LIST_MAX 6
#define SIGAR_NET_IFLIST_MAX 20
#define SIGAR_NET_CONNLIST_MAX 20
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#define SIGAR_WHO_LIST_MAX 12
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int sigar_os_open(sigar_t **sigar);
int sigar_os_close(sigar_t *sigar);
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char *sigar_os_error_string(sigar_t *sigar, int err);
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int sigar_proc_list_create(sigar_proc_list_t *proclist);
int sigar_proc_list_grow(sigar_proc_list_t *proclist);
#define SIGAR_PROC_LIST_GROW(proclist) \
if (proclist->number >= proclist->size) { \
sigar_proc_list_grow(proclist); \
}
int sigar_proc_args_create(sigar_proc_args_t *procargs);
int sigar_proc_args_grow(sigar_proc_args_t *procargs);
#define SIGAR_PROC_ARGS_GROW(procargs) \
if (procargs->number >= procargs->size) { \
sigar_proc_args_grow(procargs); \
}
int sigar_file_system_list_create(sigar_file_system_list_t *fslist);
int sigar_file_system_list_grow(sigar_file_system_list_t *fslist);
#define SIGAR_FILE_SYSTEM_LIST_GROW(fslist) \
if (fslist->number >= fslist->size) { \
sigar_file_system_list_grow(fslist); \
}
int sigar_os_fs_type_get(sigar_file_system_t *fsp);
/* os plugins that set fsp->type call fs_type_get directly */
#define sigar_fs_type_init(fsp) \
fsp->type = SIGAR_FSTYPE_UNKNOWN; \
sigar_fs_type_get(fsp)
void sigar_fs_type_get(sigar_file_system_t *fsp);
int sigar_cpu_info_list_create(sigar_cpu_info_list_t *cpu_infos);
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int sigar_cpu_info_list_grow(sigar_cpu_info_list_t *cpu_infos);
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#define SIGAR_CPU_INFO_LIST_GROW(cpu_infos) \
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if (cpu_infos->number >= cpu_infos->size) { \
sigar_cpu_info_list_grow(cpu_infos); \
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}
int sigar_cpu_list_create(sigar_cpu_list_t *cpulist);
int sigar_cpu_list_grow(sigar_cpu_list_t *cpulist);
#define SIGAR_CPU_LIST_GROW(cpulist) \
if (cpulist->number >= cpulist->size) { \
sigar_cpu_list_grow(cpulist); \
}
int sigar_net_route_list_create(sigar_net_route_list_t *routelist);
int sigar_net_route_list_grow(sigar_net_route_list_t *net_routelist);
#define SIGAR_NET_ROUTE_LIST_GROW(routelist) \
if (routelist->number >= routelist->size) { \
sigar_net_route_list_grow(routelist); \
}
int sigar_net_interface_list_create(sigar_net_interface_list_t *iflist);
int sigar_net_interface_list_grow(sigar_net_interface_list_t *iflist);
#define SIGAR_NET_IFLIST_GROW(iflist) \
if (iflist->number >= iflist->size) { \
sigar_net_interface_list_grow(iflist); \
}
int sigar_net_connection_list_create(sigar_net_connection_list_t *connlist);
int sigar_net_connection_list_grow(sigar_net_connection_list_t *connlist);
#define SIGAR_NET_CONNLIST_GROW(connlist) \
if (connlist->number >= connlist->size) { \
sigar_net_connection_list_grow(connlist); \
}
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int sigar_who_list_create(sigar_who_list_t *wholist);
int sigar_who_list_grow(sigar_who_list_t *wholist);
#define SIGAR_WHO_LIST_GROW(wholist) \
if (wholist->number >= wholist->size) { \
sigar_who_list_grow(wholist); \
}
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void sigar_hwaddr_format(char *buff, unsigned char *ptr);
#define sigar_hwaddr_set_null(ifconfig) \
memcpy(ifconfig->hwaddr, SIGAR_NULL_HWADDR, sizeof(SIGAR_NULL_HWADDR))
int sigar_user_id_get(sigar_t *sigar, const char *name, int *uid);
int sigar_user_name_get(sigar_t *sigar, int uid, char *buf, int buflen);
int sigar_group_name_get(sigar_t *sigar, int gid, char *buf, int buflen);
#define SIGAR_PROC_ENV_KEY_LOOKUP() \
if ((procenv->type == SIGAR_PROC_ENV_KEY) && \
(pid == sigar->pid)) \
{ \
char *value = getenv(procenv->key); \
if (value != NULL) { \
procenv->env_getter(procenv->data, \
procenv->key, \
procenv->klen, \
value, strlen(value)); \
} \
return SIGAR_OK; \
}
#define SIGAR_DISK_STATS_NOTIMPL(fsusage) \
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fsusage->disk_reads = fsusage->disk_writes = \
fsusage->disk_read_bytes = fsusage->disk_write_bytes = \
fsusage->disk_queue = SIGAR_FIELD_NOTIMPL;
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#endif