src/libstatgrab/statgrab.h

/*
 * i-scream libstatgrab
 * http://www.i-scream.org
 * Copyright (C) 2000-2004 i-scream
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307 USA
 *
 * $Id: statgrab.h,v 1.50 2004/07/02 11:21:30 tdb Exp $
 */

#ifndef STATGRAB_H
#define STATGRAB_H

#include <sys/types.h>

/* FIXME typedefs for 32/64-bit types */
/* FIXME maybe tidy up field names? */
/* FIXME comments for less obvious fields */

int sg_init(void);
int sg_drop_privileges(void);

typedef enum {
        SG_ERROR_NONE = 0,
        SG_ERROR_ASPRINTF,
        SG_ERROR_DEVSTAT_GETDEVS,
        SG_ERROR_DEVSTAT_SELECTDEVS,
        SG_ERROR_ENOENT,
        SG_ERROR_GETIFADDRS,
        SG_ERROR_GETMNTINFO,
        SG_ERROR_GETPAGESIZE,
        SG_ERROR_KSTAT_DATA_LOOKUP,
        SG_ERROR_KSTAT_LOOKUP,
        SG_ERROR_KSTAT_OPEN,
        SG_ERROR_KSTAT_READ,
        SG_ERROR_KVM_GETSWAPINFO,
        SG_ERROR_KVM_OPENFILES,
        SG_ERROR_MALLOC,
        SG_ERROR_OPEN,
        SG_ERROR_OPENDIR,
        SG_ERROR_PARSE,
        SG_ERROR_SETEGID,
        SG_ERROR_SETEUID,
        SG_ERROR_SETMNTENT,
        SG_ERROR_SOCKET,
        SG_ERROR_SWAPCTL,
        SG_ERROR_SYSCONF,
        SG_ERROR_SYSCTL,
        SG_ERROR_SYSCTLBYNAME,
        SG_ERROR_SYSCTLNAMETOMIB,
        SG_ERROR_UNAME,
        SG_ERROR_UNSUPPORTED,
        SG_ERROR_XSW_VER_MISMATCH
} sg_error;

void sg_set_error(sg_error code, const char *arg);
void sg_set_error_with_errno(sg_error code, const char *arg, int use_errno);
sg_error sg_get_error();
const char *sg_get_error_arg();
const char *sg_get_error_strerror();
const char *sg_str_error(sg_error code);

typedef struct {
        char *os_name;
        char *os_release;
        char *os_version;
        char *platform;
        char *hostname;
        time_t uptime;
} sg_host_info;

sg_host_info *sg_get_host_info();

typedef struct {
        long long user;
        long long kernel;
        long long idle;
        long long iowait;
        long long swap;
        long long nice;
        long long total;
        time_t systime;
} sg_cpu_stats;

sg_cpu_stats *sg_get_cpu_stats();
sg_cpu_stats *sg_get_cpu_stats_diff();

typedef struct {
        float user;
        float kernel;
        float idle;
        float iowait;
        float swap;
        float nice;
        time_t time_taken;
} sg_cpu_percents;

sg_cpu_percents *sg_get_cpu_percents();

typedef struct {
        long long total;
        long long free;
        long long used;
        long long cache;
} sg_mem_stats;

sg_mem_stats *sg_get_mem_stats();

typedef struct {
        double min1;
        double min5;
        double min15;
} sg_load_stats;

sg_load_stats *sg_get_load_stats();

typedef struct {
        char *name_list;
        int num_entries;
} sg_user_stats;

sg_user_stats *sg_get_user_stats();

typedef struct {
        long long total;
        long long used;
        long long free;
} sg_swap_stats;

sg_swap_stats *sg_get_swap_stats();

typedef struct {
        char *device_name;
        char *fs_type;
        char *mnt_point;
        long long size;
        long long used;
        long long avail;
        long long total_inodes;
        long long used_inodes;
        long long free_inodes;
} sg_fs_stats;

sg_fs_stats *sg_get_fs_stats(int *entries);

int sg_fs_compare_device_name(const void *va, const void *vb);
int sg_fs_compare_mnt_point(const void *va, const void *vb);

typedef struct {
        char *disk_name;
        long long read_bytes;
        long long write_bytes;
        time_t systime;
} sg_disk_io_stats;

sg_disk_io_stats *sg_get_disk_io_stats(int *entries);
sg_disk_io_stats *sg_get_disk_io_stats_diff(int *entries);

int sg_disk_io_compare_name(const void *va, const void *vb);

typedef struct {
        char *interface_name;
        long long tx;
        long long rx;
        long long ipackets;
        long long opackets;
        long long ierrors;
        long long oerrors;
        long long collisions;
        time_t systime;
} sg_network_io_stats;

sg_network_io_stats *sg_get_network_io_stats(int *entries);
sg_network_io_stats *sg_get_network_io_stats_diff(int *entries);

int sg_network_io_compare_name(const void *va, const void *vb);

typedef enum {
        SG_IFACE_DUPLEX_FULL,
        SG_IFACE_DUPLEX_HALF,
        SG_IFACE_DUPLEX_UNKNOWN
} sg_iface_duplex;

typedef struct {
        char *interface_name;
        int speed;      /* In megabits/sec */
        sg_iface_duplex dup;
        int up;
} sg_network_iface_stats;

sg_network_iface_stats *sg_get_network_iface_stats(int *entries);

int sg_network_iface_compare_name(const void *va, const void *vb);

typedef struct {
        long long pages_pagein;
        long long pages_pageout;
        time_t systime;
} sg_page_stats;

sg_page_stats *sg_get_page_stats();
sg_page_stats *sg_get_page_stats_diff();

typedef enum {
        SG_PROCESS_STATE_RUNNING,
        SG_PROCESS_STATE_SLEEPING,
        SG_PROCESS_STATE_STOPPED,
        SG_PROCESS_STATE_ZOMBIE,
        SG_PROCESS_STATE_UNKNOWN
} sg_process_state;

typedef struct {
        char *process_name;
        char *proctitle;

        pid_t pid;
        pid_t parent; /* Parent pid */
        pid_t pgid;   /* process id of process group leader */

        uid_t uid;
        uid_t euid;
        gid_t gid;
        gid_t egid;

        unsigned long long proc_size; /* in bytes */
        unsigned long long proc_resident; /* in bytes */
        time_t time_spent; /* time running in seconds */
        double cpu_percent;
        int nice;
        sg_process_state state;
} sg_process_stats;

sg_process_stats *sg_get_process_stats(int *entries);

int sg_process_compare_name(const void *va, const void *vb);
int sg_process_compare_pid(const void *va, const void *vb);
int sg_process_compare_uid(const void *va, const void *vb);
int sg_process_compare_gid(const void *va, const void *vb);
int sg_process_compare_size(const void *va, const void *vb);
int sg_process_compare_res(const void *va, const void *vb);
int sg_process_compare_cpu(const void *va, const void *vb);
int sg_process_compare_time(const void *va, const void *vb);

typedef struct {
        int total;
        int running;
        int sleeping;
        int stopped;
        int zombie;
} sg_process_count;

sg_process_count *sg_get_process_count();

#ifdef SG_ENABLE_DEPRECATED
#include <statgrab_deprecated.h>
#endif

#endif
Revision:	1.51
Committed:	Fri Jul 16 15:07:14 2004 UTC (19 years, 10 months ago) by tdb
Content type:	text/plain
Branch:	MAIN
Changes since 1.50:	+3 -1 lines
Log Message:	Add function to allow grabbing of the current errno. Should we store errno too maybe?
#	Content
1	/*
2	* i-scream libstatgrab
3	* http://www.i-scream.org
4	* Copyright (C) 2000-2004 i-scream
5	*
6	* This library is free software; you can redistribute it and/or
7	* modify it under the terms of the GNU Lesser General Public
8	* License as published by the Free Software Foundation; either
9	* version 2.1 of the License, or (at your option) any later version.
10	*
11	* This library is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14	* Lesser General Public License for more details.
15	*
16	* You should have received a copy of the GNU Lesser General Public
17	* License along with this library; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19	* 02111-1307 USA
20	*
21	* $Id: statgrab.h,v 1.50 2004/07/02 11:21:30 tdb Exp $
22	*/
23
24	#ifndef STATGRAB_H
25	#define STATGRAB_H
26
27	#include <sys/types.h>
28
29	/* FIXME typedefs for 32/64-bit types */
30	/* FIXME maybe tidy up field names? */
31	/* FIXME comments for less obvious fields */
32
33	int sg_init(void);
34	int sg_drop_privileges(void);
35
36	typedef enum {
37	SG_ERROR_NONE = 0,
38	SG_ERROR_ASPRINTF,
39	SG_ERROR_DEVSTAT_GETDEVS,
40	SG_ERROR_DEVSTAT_SELECTDEVS,
41	SG_ERROR_ENOENT,
42	SG_ERROR_GETIFADDRS,
43	SG_ERROR_GETMNTINFO,
44	SG_ERROR_GETPAGESIZE,
45	SG_ERROR_KSTAT_DATA_LOOKUP,
46	SG_ERROR_KSTAT_LOOKUP,
47	SG_ERROR_KSTAT_OPEN,
48	SG_ERROR_KSTAT_READ,
49	SG_ERROR_KVM_GETSWAPINFO,
50	SG_ERROR_KVM_OPENFILES,
51	SG_ERROR_MALLOC,
52	SG_ERROR_OPEN,
53	SG_ERROR_OPENDIR,
54	SG_ERROR_PARSE,
55	SG_ERROR_SETEGID,
56	SG_ERROR_SETEUID,
57	SG_ERROR_SETMNTENT,
58	SG_ERROR_SOCKET,
59	SG_ERROR_SWAPCTL,
60	SG_ERROR_SYSCONF,
61	SG_ERROR_SYSCTL,
62	SG_ERROR_SYSCTLBYNAME,
63	SG_ERROR_SYSCTLNAMETOMIB,
64	SG_ERROR_UNAME,
65	SG_ERROR_UNSUPPORTED,
66	SG_ERROR_XSW_VER_MISMATCH
67	} sg_error;
68
69	void sg_set_error(sg_error code, const char *arg);
70	void sg_set_error_with_errno(sg_error code, const char *arg, int use_errno);
71	sg_error sg_get_error();
72	const char *sg_get_error_arg();
73	const char *sg_get_error_strerror();
74	const char *sg_str_error(sg_error code);
75
76	typedef struct {
77	char *os_name;
78	char *os_release;
79	char *os_version;
80	char *platform;
81	char *hostname;
82	time_t uptime;
83	} sg_host_info;
84
85	sg_host_info *sg_get_host_info();
86
87	typedef struct {
88	long long user;
89	long long kernel;
90	long long idle;
91	long long iowait;
92	long long swap;
93	long long nice;
94	long long total;
95	time_t systime;
96	} sg_cpu_stats;
97
98	sg_cpu_stats *sg_get_cpu_stats();
99	sg_cpu_stats *sg_get_cpu_stats_diff();
100
101	typedef struct {
102	float user;
103	float kernel;
104	float idle;
105	float iowait;
106	float swap;
107	float nice;
108	time_t time_taken;
109	} sg_cpu_percents;
110
111	sg_cpu_percents *sg_get_cpu_percents();
112
113	typedef struct {
114	long long total;
115	long long free;
116	long long used;
117	long long cache;
118	} sg_mem_stats;
119
120	sg_mem_stats *sg_get_mem_stats();
121
122	typedef struct {
123	double min1;
124	double min5;
125	double min15;
126	} sg_load_stats;
127
128	sg_load_stats *sg_get_load_stats();
129
130	typedef struct {
131	char *name_list;
132	int num_entries;
133	} sg_user_stats;
134
135	sg_user_stats *sg_get_user_stats();
136
137	typedef struct {
138	long long total;
139	long long used;
140	long long free;
141	} sg_swap_stats;
142
143	sg_swap_stats *sg_get_swap_stats();
144
145	typedef struct {
146	char *device_name;
147	char *fs_type;
148	char *mnt_point;
149	long long size;
150	long long used;
151	long long avail;
152	long long total_inodes;
153	long long used_inodes;
154	long long free_inodes;
155	} sg_fs_stats;
156
157	sg_fs_stats sg_get_fs_stats(int entries);
158
159	int sg_fs_compare_device_name(const void va, const void vb);
160	int sg_fs_compare_mnt_point(const void va, const void vb);
161
162	typedef struct {
163	char *disk_name;
164	long long read_bytes;
165	long long write_bytes;
166	time_t systime;
167	} sg_disk_io_stats;
168
169	sg_disk_io_stats sg_get_disk_io_stats(int entries);
170	sg_disk_io_stats sg_get_disk_io_stats_diff(int entries);
171
172	int sg_disk_io_compare_name(const void va, const void vb);
173
174	typedef struct {
175	char *interface_name;
176	long long tx;
177	long long rx;
178	long long ipackets;
179	long long opackets;
180	long long ierrors;
181	long long oerrors;
182	long long collisions;
183	time_t systime;
184	} sg_network_io_stats;
185
186	sg_network_io_stats sg_get_network_io_stats(int entries);
187	sg_network_io_stats sg_get_network_io_stats_diff(int entries);
188
189	int sg_network_io_compare_name(const void va, const void vb);
190
191	typedef enum {
192	SG_IFACE_DUPLEX_FULL,
193	SG_IFACE_DUPLEX_HALF,
194	SG_IFACE_DUPLEX_UNKNOWN
195	} sg_iface_duplex;
196
197	typedef struct {
198	char *interface_name;
199	int speed; /* In megabits/sec */
200	sg_iface_duplex dup;
201	int up;
202	} sg_network_iface_stats;
203
204	sg_network_iface_stats sg_get_network_iface_stats(int entries);
205
206	int sg_network_iface_compare_name(const void va, const void vb);
207
208	typedef struct {
209	long long pages_pagein;
210	long long pages_pageout;
211	time_t systime;
212	} sg_page_stats;
213
214	sg_page_stats *sg_get_page_stats();
215	sg_page_stats *sg_get_page_stats_diff();
216
217	typedef enum {
218	SG_PROCESS_STATE_RUNNING,
219	SG_PROCESS_STATE_SLEEPING,
220	SG_PROCESS_STATE_STOPPED,
221	SG_PROCESS_STATE_ZOMBIE,
222	SG_PROCESS_STATE_UNKNOWN
223	} sg_process_state;
224
225	typedef struct {
226	char *process_name;
227	char *proctitle;
228
229	pid_t pid;
230	pid_t parent; /* Parent pid */
231	pid_t pgid; /* process id of process group leader */
232
233	uid_t uid;
234	uid_t euid;
235	gid_t gid;
236	gid_t egid;
237
238	unsigned long long proc_size; /* in bytes */
239	unsigned long long proc_resident; /* in bytes */
240	time_t time_spent; /* time running in seconds */
241	double cpu_percent;
242	int nice;
243	sg_process_state state;
244	} sg_process_stats;
245
246	sg_process_stats sg_get_process_stats(int entries);
247
248	int sg_process_compare_name(const void va, const void vb);
249	int sg_process_compare_pid(const void va, const void vb);
250	int sg_process_compare_uid(const void va, const void vb);
251	int sg_process_compare_gid(const void va, const void vb);
252	int sg_process_compare_size(const void va, const void vb);
253	int sg_process_compare_res(const void va, const void vb);
254	int sg_process_compare_cpu(const void va, const void vb);
255	int sg_process_compare_time(const void va, const void vb);
256
257	typedef struct {
258	int total;
259	int running;
260	int sleeping;
261	int stopped;
262	int zombie;
263	} sg_process_count;
264
265	sg_process_count *sg_get_process_count();
266
267	#ifdef SG_ENABLE_DEPRECATED
268	#include <statgrab_deprecated.h>
269	#endif
270
271	#endif