161 lines
4.4 KiB
C
161 lines
4.4 KiB
C
/*
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* Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
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* This file is part of SIGAR.
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*
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* SIGAR is free software; you can redistribute it and/or modify
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* it under the terms version 2 of the GNU General Public License as
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* published by the Free Software Foundation. This program is distributed
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* in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*/
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#ifndef SIGAR_UTIL_H
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#define SIGAR_UTIL_H
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/* most of this is crap for dealing with linux /proc */
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#define UITOA_BUFFER_SIZE \
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(sizeof(int) * 3 + 1)
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#define SSTRLEN(s) \
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(sizeof(s)-1)
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#define sigar_strtoul(ptr) \
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strtoul(ptr, &ptr, 10)
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#define sigar_strtoull(ptr) \
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strtoull(ptr, &ptr, 10)
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#define sigar_isspace(c) \
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(isspace(((unsigned char)(c))))
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#define sigar_isdigit(c) \
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(isdigit(((unsigned char)(c))))
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#define sigar_isalpha(c) \
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(isalpha(((unsigned char)(c))))
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#define sigar_isupper(c) \
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(isupper(((unsigned char)(c))))
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#ifdef WIN32
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#define sigar_fileno _fileno
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#define sigar_isatty _isatty
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#define sigar_write _write
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#else
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#define sigar_fileno fileno
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#define sigar_isatty isatty
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#define sigar_write write
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#endif
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#ifndef PROC_FS_ROOT
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#define PROC_FS_ROOT "/proc/"
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#endif
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#ifndef PROCP_FS_ROOT
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#define PROCP_FS_ROOT "/proc/"
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#endif
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char *sigar_uitoa(char *buf, unsigned int n, int *len);
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int sigar_inet_ntoa(sigar_t *sigar,
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sigar_uint32_t address,
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char *addr_str);
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struct hostent *sigar_gethostbyname(const char *name,
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sigar_hostent_t *data);
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SIGAR_INLINE char *sigar_skip_line(char *buffer, int buflen);
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SIGAR_INLINE char *sigar_skip_token(char *p);
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SIGAR_INLINE char *sigar_skip_multiple_token(char *p, int count);
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char *sigar_getword(char **line, char stop);
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int sigar_file2str(const char *fname, char *buffer, int buflen);
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int sigar_proc_file2str(char *buffer, int buflen,
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sigar_pid_t pid,
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const char *fname,
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int fname_len);
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#define SIGAR_PROC_FILE2STR(buffer, pid, fname) \
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sigar_proc_file2str(buffer, sizeof(buffer), \
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pid, fname, SSTRLEN(fname))
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#define SIGAR_PROC_FILENAME(buffer, pid, fname) \
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sigar_proc_filename(buffer, sizeof(buffer), \
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pid, fname, SSTRLEN(fname))
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#define SIGAR_SKIP_SPACE(ptr) \
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while (sigar_isspace(*ptr)) ++ptr
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char *sigar_proc_filename(char *buffer, int buflen,
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sigar_pid_t pid,
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const char *fname, int fname_len);
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int sigar_proc_list_procfs_get(sigar_t *sigar,
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sigar_proc_list_t *proclist);
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int sigar_proc_fd_count(sigar_t *sigar, sigar_pid_t pid,
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sigar_uint64_t *total);
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/* linux + freebsd */
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int sigar_procfs_args_get(sigar_t *sigar, sigar_pid_t pid,
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sigar_proc_args_t *procargs);
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int sigar_mem_calc_ram(sigar_t *sigar, sigar_mem_t *mem);
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double sigar_file_system_usage_calc_used(sigar_t *sigar,
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sigar_file_system_usage_t *fs);
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#define SIGAR_DEV_PREFIX "/dev/"
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typedef struct {
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char name[256];
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int is_partition;
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sigar_disk_usage_t disk;
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} sigar_iodev_t;
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sigar_iodev_t *sigar_iodev_get(sigar_t *sigar,
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const char *dirname);
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void sigar_cpu_model_adjust(sigar_t *sigar, sigar_cpu_info_t *info);
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int sigar_cpu_mhz_from_model(char *model);
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char *sigar_get_self_path(sigar_t *sigar);
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typedef struct sigar_cache_entry_t sigar_cache_entry_t;
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struct sigar_cache_entry_t {
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sigar_cache_entry_t *next;
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sigar_uint64_t id;
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void *value;
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};
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typedef struct {
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sigar_cache_entry_t **entries;
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unsigned int count, size;
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void (*free_value)(void *ptr);
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} sigar_cache_t;
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sigar_cache_t *sigar_cache_new(int size);
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sigar_cache_entry_t *sigar_cache_get(sigar_cache_t *table,
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sigar_uint64_t key);
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sigar_cache_entry_t *sigar_cache_find(sigar_cache_t *table,
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sigar_uint64_t key);
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void sigar_cache_destroy(sigar_cache_t *table);
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#endif /* SIGAR_UTIL_H */
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