projects/pystatgrab/_statgrab.pyx

#
# i-scream central monitoring system
# http://www.i-scream.org
# Copyright (C) 2000-2004 i-scream
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
# $Id: statgrab.pyx,v 1.3 2004/02/09 23:07:25 tdb Exp $
#

ctypedef long time_t

cdef extern from "statgrab.h":
    ctypedef struct cpu_states_t:
        long long user
        long long kernel
        long long idle
        long long iowait
        long long swap
        long long nice
        long long total
        time_t systime

    ctypedef struct cpu_percent_t:
        float user
        float kernel
        float idle
        float iowait
        float swap
        float nice
        time_t time_taken

    ctypedef struct mem_stat_t:
        long long total
        long long free
        long long used
        long long cache

    ctypedef struct load_stat_t:
        double min1
        double min5
        double min15

    ctypedef struct user_stat_t:
        char *name_list
        int num_entries

    ctypedef struct swap_stat_t:
        long long total
        long long used
        long long free

    ctypedef struct general_stat_t:
        char *os_name
        char *os_release
        char *os_version
        char *platform
        char *hostname
        time_t uptime

    ctypedef struct disk_stat_t:
        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

    ctypedef struct diskio_stat_t:
        char *disk_name
        long long read_bytes
        long long write_bytes
        time_t systime

    ctypedef struct process_stat_t:
        int total
        int running
        int sleeping
        int stopped
        int zombie

    ctypedef struct network_stat_t:
        char *interface_name
        long long tx
        long long rx
        time_t systime

    ctypedef struct page_stat_t:
        long long pages_pagein
        long long pages_pageout
        time_t systime

    cdef extern cpu_states_t *get_cpu_totals()
    cdef extern cpu_states_t *get_cpu_diff()
    cdef extern cpu_percent_t *cpu_percent_usage()
    cdef extern mem_stat_t *get_memory_stats()
    cdef extern load_stat_t *get_load_stats()
    cdef extern user_stat_t *get_user_stats()
    cdef extern swap_stat_t *get_swap_stats()
    cdef extern general_stat_t *get_general_stats()
    cdef extern disk_stat_t *get_disk_stats(int *entries)
    cdef extern diskio_stat_t *get_diskio_stats(int *entries)
    cdef extern diskio_stat_t *get_diskio_stats_diff(int *entries)
    cdef extern process_stat_t *get_process_stats()
    cdef extern network_stat_t *get_network_stats(int *entries)
    cdef extern network_stat_t *get_network_stats_diff(int *entries)
    cdef extern page_stat_t *get_page_stats()
    cdef extern page_stat_t *get_page_stats_diff()
    cdef extern int statgrab_init()
    cdef extern int statgrab_drop_privileges()


class Result:
    def __init__(self, attrs):
        self.attrs = attrs
        for attr in attrs:
            setattr(self, attr, attrs[attr])
    def __getitem__(self, item):
        return getattr(self, item)
    def __repr__(self):
        return str(self.attrs)

class StatgrabException(Exception):
    def __init__(self, value):
        self.value = value
    def __str__(self):
        return repr(self.value)


def py_get_cpu_totals():
    cdef cpu_states_t *s
    s = get_cpu_totals()
    if s == NULL:
        raise StatgrabException, 'get_cpu_totals() returned NULL'
    return Result(
        {'user': s.user,
         'kernel': s.kernel,
         'idle': s.idle,
         'iowait': s.iowait,
         'swap': s.swap,
         'nice': s.nice,
         'total': s.total,
         'systime': s.systime,
        }
    )

def py_get_cpu_diff():
    cdef cpu_states_t *s
    s = get_cpu_diff()
    if s == NULL:
        raise StatgrabException, 'get_cpu_diff() returned NULL'
    return Result(
        {'user': s.user,
         'kernel': s.kernel,
         'idle': s.idle,
         'iowait': s.iowait,
         'swap': s.swap,
         'nice': s.nice,
         'total': s.total,
         'systime': s.systime,
        }
    )

def py_cpu_percent_usage():
    cdef cpu_percent_t *s
    s = cpu_percent_usage()
    if s == NULL:
        raise StatgrabException, 'cpu_percent_usage() returned NULL'
    return Result(
        {'user': s.user,
         'kernel': s.kernel,
         'idle': s.idle,
         'iowait': s.iowait,
         'swap': s.swap,
         'nice': s.nice,
         'time_taken': s.time_taken,
        }
    )

def py_get_memory_stats():
    cdef mem_stat_t *s
    s = get_memory_stats()
    if s == NULL:
        raise StatgrabException, 'get_memory_stats() returned NULL'
    return Result(
        {'total': s.total,
         'used': s.used,
         'free': s.free,
         'cache': s.cache,
        }
    )

def py_get_load_stats():
    cdef load_stat_t *s
    s = get_load_stats()
    if s == NULL:
        raise StatgrabException, 'get_load_stats() returned NULL'
    return Result(
        {'min1': s.min1,
         'min5': s.min5,
         'min15': s.min15,
        }
    )

def py_get_user_stats():
    cdef user_stat_t *s
    s = get_user_stats()
    if s == NULL:
        raise StatgrabException, 'get_user_stats() returned NULL'
    return Result(
        {'name_list': s.name_list,
         'num_entries': s.num_entries,
        }
    )

def py_get_swap_stats():
    cdef swap_stat_t *s
    s = get_swap_stats()
    if s == NULL:
        raise StatgrabException, 'get_swap_stats() returned NULL'
    return Result(
        {'total': s.total,
         'used': s.used,
         'free': s.free,
        }
    )

def py_get_general_stats():
    cdef general_stat_t *s
    s = get_general_stats()
    if s == NULL:
        raise StatgrabException, 'get_general_stats() returned NULL'
    return Result(
        {'os_name': s.os_name,
         'os_release': s.os_release,
         'os_version': s.os_version,
         'platform': s.platform,
         'hostname': s.hostname,
         'uptime': s.uptime,
        }
    )

def py_get_disk_stats():
    cdef disk_stat_t *s
    cdef int entries
    s = get_disk_stats(&entries)
    if s == NULL:
        raise StatgrabException, 'get_disk_stats() returned NULL'
    list = [entries]
    for i from 0 <= i < entries:
        list.append(Result(
            {'device_name': s.device_name,
             'fs_type': s.fs_type,
             'mnt_point': s.mnt_point,
             'size': s.size,
             'used': s.used,
             'avail': s.avail,
             'total_inodes': s.total_inodes,
             'used_inodes': s.used_inodes,
             'free_inodes': s.free_inodes,
            }
        ))
        s = s + 1
    return list

def py_get_diskio_stats():
    cdef diskio_stat_t *s
    cdef int entries
    s = get_diskio_stats(&entries)
    if s == NULL:
        raise StatgrabException, 'get_diskio_stats() returned NULL'
    list = [entries]
    for i from 0 <= i < entries:
        list.append(Result(
            {'disk_name': s.disk_name,
             'read_bytes': s.read_bytes,
             'write_bytes': s.write_bytes,
             'systime': s.systime,
            }
        ))
        s = s + 1
    return list

def py_get_diskio_stats_diff():
    cdef diskio_stat_t *s
    cdef int entries
    s = get_diskio_stats_diff(&entries)
    if s == NULL:
        raise StatgrabException, 'get_diskio_stats_diff() returned NULL'
    list = [entries]
    for i from 0 <= i < entries:
        list.append(Result(
            {'disk_name': s.disk_name,
             'read_bytes': s.read_bytes,
             'write_bytes': s.write_bytes,
             'systime': s.systime,
            }
        ))
        s = s + 1
    return list

def py_get_process_stats():
    cdef process_stat_t *s
    s = get_process_stats()
    if s == NULL:
        raise StatgrabException, 'get_process_stats() returned NULL'
    return Result(
        {'total': s.total,
         'running': s.running,
         'sleeping': s.sleeping,
         'stopped': s.stopped,
         'zombie': s.zombie,
        }
    )

def py_get_network_stats():
    cdef network_stat_t *s
    cdef int entries
    s = get_network_stats(&entries)
    if s == NULL:
        raise StatgrabException, 'get_network_stats() returned NULL'
    list = [entries]
    for i from 0 <= i < entries:
        list.append(Result(
            {'interface_name': s.interface_name,
             'tx': s.tx,
             'rx': s.rx,
             'systime': s.systime,
            }
        ))
        s = s + 1
    return list

def py_get_network_stats_diff():
    cdef network_stat_t *s
    cdef int entries
    s = get_network_stats_diff(&entries)
    if s == NULL:
        raise StatgrabException, 'get_network_stats_diff() returned NULL'
    list = [entries]
    for i from 0 <= i < entries:
        list.append(Result(
            {'interface_name': s.interface_name,
             'tx': s.tx,
             'rx': s.rx,
             'systime': s.systime,
            }
        ))
        s = s + 1
    return list

def py_get_page_stats():
    cdef page_stat_t *s
    s = get_page_stats()
    if s == NULL:
        raise StatgrabException, 'get_page_stats() returned NULL'
    return Result(
        {'pages_pagein': s.pages_pagein,
         'pages_pageout': s.pages_pageout,
        }
    )

def py_get_page_stats_diff():
    cdef page_stat_t *s
    s = get_page_stats_diff()
    if s == NULL:
        raise StatgrabException, 'get_page_stats_diff() returned NULL'
    return Result(
        {'pages_pagein': s.pages_pagein,
         'pages_pageout': s.pages_pageout,
        }
    )

def py_statgrab_init():
    return statgrab_init()

def py_statgrab_drop_privileges():
    return statgrab_drop_privileges()
Revision:	1.4
Committed:	Tue Feb 10 20:25:54 2004 UTC (20 years, 3 months ago) by tdb
Branch:	MAIN
Changes since 1.3:	+2 -2 lines
Log Message:	StatgrabException should be derived from Exception.
#	Content
1	#
2	# i-scream central monitoring system
3	# http://www.i-scream.org
4	# Copyright (C) 2000-2004 i-scream
5	#
6	# This program is free software; you can redistribute it and/or
7	# modify it under the terms of the GNU General Public License
8	# as published by the Free Software Foundation; either version 2
9	# of the License, or (at your option) any later version.
10	#
11	# This program 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
14	# GNU General Public License for more details.
15	#
16	# You should have received a copy of the GNU General Public License
17	# along with this program; if not, write to the Free Software
18	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19	#
20	# $Id: statgrab.pyx,v 1.3 2004/02/09 23:07:25 tdb Exp $
21	#
22
23	ctypedef long time_t
24
25	cdef extern from "statgrab.h":
26	ctypedef struct cpu_states_t:
27	long long user
28	long long kernel
29	long long idle
30	long long iowait
31	long long swap
32	long long nice
33	long long total
34	time_t systime
35
36	ctypedef struct cpu_percent_t:
37	float user
38	float kernel
39	float idle
40	float iowait
41	float swap
42	float nice
43	time_t time_taken
44
45	ctypedef struct mem_stat_t:
46	long long total
47	long long free
48	long long used
49	long long cache
50
51	ctypedef struct load_stat_t:
52	double min1
53	double min5
54	double min15
55
56	ctypedef struct user_stat_t:
57	char *name_list
58	int num_entries
59
60	ctypedef struct swap_stat_t:
61	long long total
62	long long used
63	long long free
64
65	ctypedef struct general_stat_t:
66	char *os_name
67	char *os_release
68	char *os_version
69	char *platform
70	char *hostname
71	time_t uptime
72
73	ctypedef struct disk_stat_t:
74	char *device_name
75	char *fs_type
76	char *mnt_point
77	long long size
78	long long used
79	long long avail
80	long long total_inodes
81	long long used_inodes
82	long long free_inodes
83
84	ctypedef struct diskio_stat_t:
85	char *disk_name
86	long long read_bytes
87	long long write_bytes
88	time_t systime
89
90	ctypedef struct process_stat_t:
91	int total
92	int running
93	int sleeping
94	int stopped
95	int zombie
96
97	ctypedef struct network_stat_t:
98	char *interface_name
99	long long tx
100	long long rx
101	time_t systime
102
103	ctypedef struct page_stat_t:
104	long long pages_pagein
105	long long pages_pageout
106	time_t systime
107
108	cdef extern cpu_states_t *get_cpu_totals()
109	cdef extern cpu_states_t *get_cpu_diff()
110	cdef extern cpu_percent_t *cpu_percent_usage()
111	cdef extern mem_stat_t *get_memory_stats()
112	cdef extern load_stat_t *get_load_stats()
113	cdef extern user_stat_t *get_user_stats()
114	cdef extern swap_stat_t *get_swap_stats()
115	cdef extern general_stat_t *get_general_stats()
116	cdef extern disk_stat_t get_disk_stats(int entries)
117	cdef extern diskio_stat_t get_diskio_stats(int entries)
118	cdef extern diskio_stat_t get_diskio_stats_diff(int entries)
119	cdef extern process_stat_t *get_process_stats()
120	cdef extern network_stat_t get_network_stats(int entries)
121	cdef extern network_stat_t get_network_stats_diff(int entries)
122	cdef extern page_stat_t *get_page_stats()
123	cdef extern page_stat_t *get_page_stats_diff()
124	cdef extern int statgrab_init()
125	cdef extern int statgrab_drop_privileges()
126
127
128	class Result:
129	def __init__(self, attrs):
130	self.attrs = attrs
131	for attr in attrs:
132	setattr(self, attr, attrs[attr])
133	def __getitem__(self, item):
134	return getattr(self, item)
135	def __repr__(self):
136	return str(self.attrs)
137
138	class StatgrabException(Exception):
139	def __init__(self, value):
140	self.value = value
141	def __str__(self):
142	return repr(self.value)
143
144
145	def py_get_cpu_totals():
146	cdef cpu_states_t *s
147	s = get_cpu_totals()
148	if s == NULL:
149	raise StatgrabException, 'get_cpu_totals() returned NULL'
150	return Result(
151	{'user': s.user,
152	'kernel': s.kernel,
153	'idle': s.idle,
154	'iowait': s.iowait,
155	'swap': s.swap,
156	'nice': s.nice,
157	'total': s.total,
158	'systime': s.systime,
159	}
160	)
161
162	def py_get_cpu_diff():
163	cdef cpu_states_t *s
164	s = get_cpu_diff()
165	if s == NULL:
166	raise StatgrabException, 'get_cpu_diff() returned NULL'
167	return Result(
168	{'user': s.user,
169	'kernel': s.kernel,
170	'idle': s.idle,
171	'iowait': s.iowait,
172	'swap': s.swap,
173	'nice': s.nice,
174	'total': s.total,
175	'systime': s.systime,
176	}
177	)
178
179	def py_cpu_percent_usage():
180	cdef cpu_percent_t *s
181	s = cpu_percent_usage()
182	if s == NULL:
183	raise StatgrabException, 'cpu_percent_usage() returned NULL'
184	return Result(
185	{'user': s.user,
186	'kernel': s.kernel,
187	'idle': s.idle,
188	'iowait': s.iowait,
189	'swap': s.swap,
190	'nice': s.nice,
191	'time_taken': s.time_taken,
192	}
193	)
194
195	def py_get_memory_stats():
196	cdef mem_stat_t *s
197	s = get_memory_stats()
198	if s == NULL:
199	raise StatgrabException, 'get_memory_stats() returned NULL'
200	return Result(
201	{'total': s.total,
202	'used': s.used,
203	'free': s.free,
204	'cache': s.cache,
205	}
206	)
207
208	def py_get_load_stats():
209	cdef load_stat_t *s
210	s = get_load_stats()
211	if s == NULL:
212	raise StatgrabException, 'get_load_stats() returned NULL'
213	return Result(
214	{'min1': s.min1,
215	'min5': s.min5,
216	'min15': s.min15,
217	}
218	)
219
220	def py_get_user_stats():
221	cdef user_stat_t *s
222	s = get_user_stats()
223	if s == NULL:
224	raise StatgrabException, 'get_user_stats() returned NULL'
225	return Result(
226	{'name_list': s.name_list,
227	'num_entries': s.num_entries,
228	}
229	)
230
231	def py_get_swap_stats():
232	cdef swap_stat_t *s
233	s = get_swap_stats()
234	if s == NULL:
235	raise StatgrabException, 'get_swap_stats() returned NULL'
236	return Result(
237	{'total': s.total,
238	'used': s.used,
239	'free': s.free,
240	}
241	)
242
243	def py_get_general_stats():
244	cdef general_stat_t *s
245	s = get_general_stats()
246	if s == NULL:
247	raise StatgrabException, 'get_general_stats() returned NULL'
248	return Result(
249	{'os_name': s.os_name,
250	'os_release': s.os_release,
251	'os_version': s.os_version,
252	'platform': s.platform,
253	'hostname': s.hostname,
254	'uptime': s.uptime,
255	}
256	)
257
258	def py_get_disk_stats():
259	cdef disk_stat_t *s
260	cdef int entries
261	s = get_disk_stats(&entries)
262	if s == NULL:
263	raise StatgrabException, 'get_disk_stats() returned NULL'
264	list = [entries]
265	for i from 0 <= i < entries:
266	list.append(Result(
267	{'device_name': s.device_name,
268	'fs_type': s.fs_type,
269	'mnt_point': s.mnt_point,
270	'size': s.size,
271	'used': s.used,
272	'avail': s.avail,
273	'total_inodes': s.total_inodes,
274	'used_inodes': s.used_inodes,
275	'free_inodes': s.free_inodes,
276	}
277	))
278	s = s + 1
279	return list
280
281	def py_get_diskio_stats():
282	cdef diskio_stat_t *s
283	cdef int entries
284	s = get_diskio_stats(&entries)
285	if s == NULL:
286	raise StatgrabException, 'get_diskio_stats() returned NULL'
287	list = [entries]
288	for i from 0 <= i < entries:
289	list.append(Result(
290	{'disk_name': s.disk_name,
291	'read_bytes': s.read_bytes,
292	'write_bytes': s.write_bytes,
293	'systime': s.systime,
294	}
295	))
296	s = s + 1
297	return list
298
299	def py_get_diskio_stats_diff():
300	cdef diskio_stat_t *s
301	cdef int entries
302	s = get_diskio_stats_diff(&entries)
303	if s == NULL:
304	raise StatgrabException, 'get_diskio_stats_diff() returned NULL'
305	list = [entries]
306	for i from 0 <= i < entries:
307	list.append(Result(
308	{'disk_name': s.disk_name,
309	'read_bytes': s.read_bytes,
310	'write_bytes': s.write_bytes,
311	'systime': s.systime,
312	}
313	))
314	s = s + 1
315	return list
316
317	def py_get_process_stats():
318	cdef process_stat_t *s
319	s = get_process_stats()
320	if s == NULL:
321	raise StatgrabException, 'get_process_stats() returned NULL'
322	return Result(
323	{'total': s.total,
324	'running': s.running,
325	'sleeping': s.sleeping,
326	'stopped': s.stopped,
327	'zombie': s.zombie,
328	}
329	)
330
331	def py_get_network_stats():
332	cdef network_stat_t *s
333	cdef int entries
334	s = get_network_stats(&entries)
335	if s == NULL:
336	raise StatgrabException, 'get_network_stats() returned NULL'
337	list = [entries]
338	for i from 0 <= i < entries:
339	list.append(Result(
340	{'interface_name': s.interface_name,
341	'tx': s.tx,
342	'rx': s.rx,
343	'systime': s.systime,
344	}
345	))
346	s = s + 1
347	return list
348
349	def py_get_network_stats_diff():
350	cdef network_stat_t *s
351	cdef int entries
352	s = get_network_stats_diff(&entries)
353	if s == NULL:
354	raise StatgrabException, 'get_network_stats_diff() returned NULL'
355	list = [entries]
356	for i from 0 <= i < entries:
357	list.append(Result(
358	{'interface_name': s.interface_name,
359	'tx': s.tx,
360	'rx': s.rx,
361	'systime': s.systime,
362	}
363	))
364	s = s + 1
365	return list
366
367	def py_get_page_stats():
368	cdef page_stat_t *s
369	s = get_page_stats()
370	if s == NULL:
371	raise StatgrabException, 'get_page_stats() returned NULL'
372	return Result(
373	{'pages_pagein': s.pages_pagein,
374	'pages_pageout': s.pages_pageout,
375	}
376	)
377
378	def py_get_page_stats_diff():
379	cdef page_stat_t *s
380	s = get_page_stats_diff()
381	if s == NULL:
382	raise StatgrabException, 'get_page_stats_diff() returned NULL'
383	return Result(
384	{'pages_pagein': s.pages_pagein,
385	'pages_pageout': s.pages_pageout,
386	}
387	)
388
389	def py_statgrab_init():
390	return statgrab_init()
391
392	def py_statgrab_drop_privileges():
393	return statgrab_drop_privileges()