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 1.4 2004/02/10 20:25:54 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 enum duplex:
        FULL_DUPLEX
        HALF_DUPLEX
        NO_DUPLEX

    ctypedef struct network_iface_stat_t:
        char *interface_name
        int speed
        duplex dup

    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 network_iface_stat_t *get_network_iface_stats(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_network_iface_stats():
    cdef network_iface_stat_t *s
    cdef int entries
    s = get_network_iface_stats(&entries)
    if s == NULL:
        raise StatgrabException, 'get_network_iface_stats() returned NULL'
    list = [entries]
    for i from 0 <= i < entries:
        list.append(Result(
            {'interface_name': s.interface_name,
             'speed': s.speed,
             'dup': s.dup,
            }
        ))
        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:	1.5
Committed:	Fri Feb 13 00:16:20 2004 UTC (20 years, 2 months ago) by tdb
Branch:	MAIN
Changes since 1.4:	+29 -1 lines
Log Message:	Bring the python extension up-to-date with the latest libstatgrab functions. Still need to look at that enum thing and how best to use it.
#	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 1.4 2004/02/10 20:25:54 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 enum duplex:
104	FULL_DUPLEX
105	HALF_DUPLEX
106	NO_DUPLEX
107
108	ctypedef struct network_iface_stat_t:
109	char *interface_name
110	int speed
111	duplex dup
112
113	ctypedef struct page_stat_t:
114	long long pages_pagein
115	long long pages_pageout
116	time_t systime
117
118	cdef extern cpu_states_t *get_cpu_totals()
119	cdef extern cpu_states_t *get_cpu_diff()
120	cdef extern cpu_percent_t *cpu_percent_usage()
121	cdef extern mem_stat_t *get_memory_stats()
122	cdef extern load_stat_t *get_load_stats()
123	cdef extern user_stat_t *get_user_stats()
124	cdef extern swap_stat_t *get_swap_stats()
125	cdef extern general_stat_t *get_general_stats()
126	cdef extern disk_stat_t get_disk_stats(int entries)
127	cdef extern diskio_stat_t get_diskio_stats(int entries)
128	cdef extern diskio_stat_t get_diskio_stats_diff(int entries)
129	cdef extern process_stat_t *get_process_stats()
130	cdef extern network_stat_t get_network_stats(int entries)
131	cdef extern network_stat_t get_network_stats_diff(int entries)
132	cdef extern network_iface_stat_t get_network_iface_stats(int entries)
133	cdef extern page_stat_t *get_page_stats()
134	cdef extern page_stat_t *get_page_stats_diff()
135	cdef extern int statgrab_init()
136	cdef extern int statgrab_drop_privileges()
137
138
139	class Result:
140	def __init__(self, attrs):
141	self.attrs = attrs
142	for attr in attrs:
143	setattr(self, attr, attrs[attr])
144	def __getitem__(self, item):
145	return getattr(self, item)
146	def __repr__(self):
147	return str(self.attrs)
148
149	class StatgrabException(Exception):
150	def __init__(self, value):
151	self.value = value
152	def __str__(self):
153	return repr(self.value)
154
155
156	def py_get_cpu_totals():
157	cdef cpu_states_t *s
158	s = get_cpu_totals()
159	if s == NULL:
160	raise StatgrabException, 'get_cpu_totals() returned NULL'
161	return Result(
162	{'user': s.user,
163	'kernel': s.kernel,
164	'idle': s.idle,
165	'iowait': s.iowait,
166	'swap': s.swap,
167	'nice': s.nice,
168	'total': s.total,
169	'systime': s.systime,
170	}
171	)
172
173	def py_get_cpu_diff():
174	cdef cpu_states_t *s
175	s = get_cpu_diff()
176	if s == NULL:
177	raise StatgrabException, 'get_cpu_diff() returned NULL'
178	return Result(
179	{'user': s.user,
180	'kernel': s.kernel,
181	'idle': s.idle,
182	'iowait': s.iowait,
183	'swap': s.swap,
184	'nice': s.nice,
185	'total': s.total,
186	'systime': s.systime,
187	}
188	)
189
190	def py_cpu_percent_usage():
191	cdef cpu_percent_t *s
192	s = cpu_percent_usage()
193	if s == NULL:
194	raise StatgrabException, 'cpu_percent_usage() returned NULL'
195	return Result(
196	{'user': s.user,
197	'kernel': s.kernel,
198	'idle': s.idle,
199	'iowait': s.iowait,
200	'swap': s.swap,
201	'nice': s.nice,
202	'time_taken': s.time_taken,
203	}
204	)
205
206	def py_get_memory_stats():
207	cdef mem_stat_t *s
208	s = get_memory_stats()
209	if s == NULL:
210	raise StatgrabException, 'get_memory_stats() returned NULL'
211	return Result(
212	{'total': s.total,
213	'used': s.used,
214	'free': s.free,
215	'cache': s.cache,
216	}
217	)
218
219	def py_get_load_stats():
220	cdef load_stat_t *s
221	s = get_load_stats()
222	if s == NULL:
223	raise StatgrabException, 'get_load_stats() returned NULL'
224	return Result(
225	{'min1': s.min1,
226	'min5': s.min5,
227	'min15': s.min15,
228	}
229	)
230
231	def py_get_user_stats():
232	cdef user_stat_t *s
233	s = get_user_stats()
234	if s == NULL:
235	raise StatgrabException, 'get_user_stats() returned NULL'
236	return Result(
237	{'name_list': s.name_list,
238	'num_entries': s.num_entries,
239	}
240	)
241
242	def py_get_swap_stats():
243	cdef swap_stat_t *s
244	s = get_swap_stats()
245	if s == NULL:
246	raise StatgrabException, 'get_swap_stats() returned NULL'
247	return Result(
248	{'total': s.total,
249	'used': s.used,
250	'free': s.free,
251	}
252	)
253
254	def py_get_general_stats():
255	cdef general_stat_t *s
256	s = get_general_stats()
257	if s == NULL:
258	raise StatgrabException, 'get_general_stats() returned NULL'
259	return Result(
260	{'os_name': s.os_name,
261	'os_release': s.os_release,
262	'os_version': s.os_version,
263	'platform': s.platform,
264	'hostname': s.hostname,
265	'uptime': s.uptime,
266	}
267	)
268
269	def py_get_disk_stats():
270	cdef disk_stat_t *s
271	cdef int entries
272	s = get_disk_stats(&entries)
273	if s == NULL:
274	raise StatgrabException, 'get_disk_stats() returned NULL'
275	list = [entries]
276	for i from 0 <= i < entries:
277	list.append(Result(
278	{'device_name': s.device_name,
279	'fs_type': s.fs_type,
280	'mnt_point': s.mnt_point,
281	'size': s.size,
282	'used': s.used,
283	'avail': s.avail,
284	'total_inodes': s.total_inodes,
285	'used_inodes': s.used_inodes,
286	'free_inodes': s.free_inodes,
287	}
288	))
289	s = s + 1
290	return list
291
292	def py_get_diskio_stats():
293	cdef diskio_stat_t *s
294	cdef int entries
295	s = get_diskio_stats(&entries)
296	if s == NULL:
297	raise StatgrabException, 'get_diskio_stats() returned NULL'
298	list = [entries]
299	for i from 0 <= i < entries:
300	list.append(Result(
301	{'disk_name': s.disk_name,
302	'read_bytes': s.read_bytes,
303	'write_bytes': s.write_bytes,
304	'systime': s.systime,
305	}
306	))
307	s = s + 1
308	return list
309
310	def py_get_diskio_stats_diff():
311	cdef diskio_stat_t *s
312	cdef int entries
313	s = get_diskio_stats_diff(&entries)
314	if s == NULL:
315	raise StatgrabException, 'get_diskio_stats_diff() returned NULL'
316	list = [entries]
317	for i from 0 <= i < entries:
318	list.append(Result(
319	{'disk_name': s.disk_name,
320	'read_bytes': s.read_bytes,
321	'write_bytes': s.write_bytes,
322	'systime': s.systime,
323	}
324	))
325	s = s + 1
326	return list
327
328	def py_get_process_stats():
329	cdef process_stat_t *s
330	s = get_process_stats()
331	if s == NULL:
332	raise StatgrabException, 'get_process_stats() returned NULL'
333	return Result(
334	{'total': s.total,
335	'running': s.running,
336	'sleeping': s.sleeping,
337	'stopped': s.stopped,
338	'zombie': s.zombie,
339	}
340	)
341
342	def py_get_network_stats():
343	cdef network_stat_t *s
344	cdef int entries
345	s = get_network_stats(&entries)
346	if s == NULL:
347	raise StatgrabException, 'get_network_stats() returned NULL'
348	list = [entries]
349	for i from 0 <= i < entries:
350	list.append(Result(
351	{'interface_name': s.interface_name,
352	'tx': s.tx,
353	'rx': s.rx,
354	'systime': s.systime,
355	}
356	))
357	s = s + 1
358	return list
359
360	def py_get_network_stats_diff():
361	cdef network_stat_t *s
362	cdef int entries
363	s = get_network_stats_diff(&entries)
364	if s == NULL:
365	raise StatgrabException, 'get_network_stats_diff() returned NULL'
366	list = [entries]
367	for i from 0 <= i < entries:
368	list.append(Result(
369	{'interface_name': s.interface_name,
370	'tx': s.tx,
371	'rx': s.rx,
372	'systime': s.systime,
373	}
374	))
375	s = s + 1
376	return list
377
378	def py_get_network_iface_stats():
379	cdef network_iface_stat_t *s
380	cdef int entries
381	s = get_network_iface_stats(&entries)
382	if s == NULL:
383	raise StatgrabException, 'get_network_iface_stats() returned NULL'
384	list = [entries]
385	for i from 0 <= i < entries:
386	list.append(Result(
387	{'interface_name': s.interface_name,
388	'speed': s.speed,
389	'dup': s.dup,
390	}
391	))
392	s = s + 1
393	return list
394
395	def py_get_page_stats():
396	cdef page_stat_t *s
397	s = get_page_stats()
398	if s == NULL:
399	raise StatgrabException, 'get_page_stats() returned NULL'
400	return Result(
401	{'pages_pagein': s.pages_pagein,
402	'pages_pageout': s.pages_pageout,
403	}
404	)
405
406	def py_get_page_stats_diff():
407	cdef page_stat_t *s
408	s = get_page_stats_diff()
409	if s == NULL:
410	raise StatgrabException, 'get_page_stats_diff() returned NULL'
411	return Result(
412	{'pages_pagein': s.pages_pagein,
413	'pages_pageout': s.pages_pageout,
414	}
415	)
416
417	def py_statgrab_init():
418	return statgrab_init()
419
420	def py_statgrab_drop_privileges():
421	return statgrab_drop_privileges()