projects/pystatgrab/_statgrab.pyx

# TODO: return values more the python way - like os.stat
#       deal with failures better (return nothing, or raise error?)

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()


def py_get_cpu_totals():
    cdef cpu_states_t *s
    s = get_cpu_totals()
    return {'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()
    return {'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()
    return {'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()
    return {'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()
    return {'min1': s.min1,
            'min5': s.min5,
            'min15': s.min15,
           }

def py_get_user_stats():
    cdef user_stat_t *s
    s = get_user_stats()
    return {'name_list': s.name_list,
            'num_entries': s.num_entries,
           }

def py_get_swap_stats():
    cdef swap_stat_t *s
    s = get_swap_stats()
    return {'total': s.total,
            'used': s.used,
            'free': s.free,
           }

def py_get_general_stats():
    cdef general_stat_t *s
    s = get_general_stats()
    return {'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)
    list = [entries]
    for i from 0 <= i < entries:
        list.append({'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)
    list = [entries]
    for i from 0 <= i < entries:
        list.append({'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)
    list = [entries]
    for i from 0 <= i < entries:
        list.append({'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()
    return {'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)
    list = [entries]
    for i from 0 <= i < entries:
        list.append({'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)
    list = [entries]
    for i from 0 <= i < entries:
        list.append({'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()
    return {'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()
    return {'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:	1.1
Committed:	Fri Feb 6 14:10:08 2004 UTC (20 years, 3 months ago) by tdb
Branch:	MAIN
Log Message:	Add libstatgrab python wrapper. This won't be installed with libstatgrab, or in fact have anything done to it - it's just there if people want it. If it matures, I'll consider making it a package in it's own right.
#	Content
1	# TODO: return values more the python way - like os.stat
2	# deal with failures better (return nothing, or raise error?)
3
4	ctypedef long time_t
5
6	cdef extern from "statgrab.h":
7	ctypedef struct cpu_states_t:
8	long long user
9	long long kernel
10	long long idle
11	long long iowait
12	long long swap
13	long long nice
14	long long total
15	time_t systime
16
17	ctypedef struct cpu_percent_t:
18	float user
19	float kernel
20	float idle
21	float iowait
22	float swap
23	float nice
24	time_t time_taken
25
26	ctypedef struct mem_stat_t:
27	long long total
28	long long free
29	long long used
30	long long cache
31
32	ctypedef struct load_stat_t:
33	double min1
34	double min5
35	double min15
36
37	ctypedef struct user_stat_t:
38	char *name_list
39	int num_entries
40
41	ctypedef struct swap_stat_t:
42	long long total
43	long long used
44	long long free
45
46	ctypedef struct general_stat_t:
47	char *os_name
48	char *os_release
49	char *os_version
50	char *platform
51	char *hostname
52	time_t uptime
53
54	ctypedef struct disk_stat_t:
55	char *device_name
56	char *fs_type
57	char *mnt_point
58	long long size
59	long long used
60	long long avail
61	long long total_inodes
62	long long used_inodes
63	long long free_inodes
64
65	ctypedef struct diskio_stat_t:
66	char *disk_name
67	long long read_bytes
68	long long write_bytes
69	time_t systime
70
71	ctypedef struct process_stat_t:
72	int total
73	int running
74	int sleeping
75	int stopped
76	int zombie
77
78	ctypedef struct network_stat_t:
79	char *interface_name
80	long long tx
81	long long rx
82	time_t systime
83
84	ctypedef struct page_stat_t:
85	long long pages_pagein
86	long long pages_pageout
87	time_t systime
88
89	cdef extern cpu_states_t *get_cpu_totals()
90	cdef extern cpu_states_t *get_cpu_diff()
91	cdef extern cpu_percent_t *cpu_percent_usage()
92	cdef extern mem_stat_t *get_memory_stats()
93	cdef extern load_stat_t *get_load_stats()
94	cdef extern user_stat_t *get_user_stats()
95	cdef extern swap_stat_t *get_swap_stats()
96	cdef extern general_stat_t *get_general_stats()
97	cdef extern disk_stat_t get_disk_stats(int entries)
98	cdef extern diskio_stat_t get_diskio_stats(int entries)
99	cdef extern diskio_stat_t get_diskio_stats_diff(int entries)
100	cdef extern process_stat_t *get_process_stats()
101	cdef extern network_stat_t get_network_stats(int entries)
102	cdef extern network_stat_t get_network_stats_diff(int entries)
103	cdef extern page_stat_t *get_page_stats()
104	cdef extern page_stat_t *get_page_stats_diff()
105	cdef extern int statgrab_init()
106	cdef extern int statgrab_drop_privileges()
107
108
109	def py_get_cpu_totals():
110	cdef cpu_states_t *s
111	s = get_cpu_totals()
112	return {'user': s.user,
113	'kernel': s.kernel,
114	'idle': s.idle,
115	'iowait': s.iowait,
116	'swap': s.swap,
117	'nice': s.nice,
118	'total': s.total,
119	'systime': s.systime,
120	}
121
122	def py_get_cpu_diff():
123	cdef cpu_states_t *s
124	s = get_cpu_diff()
125	return {'user': s.user,
126	'kernel': s.kernel,
127	'idle': s.idle,
128	'iowait': s.iowait,
129	'swap': s.swap,
130	'nice': s.nice,
131	'total': s.total,
132	'systime': s.systime,
133	}
134
135	def py_cpu_percent_usage():
136	cdef cpu_percent_t *s
137	s = cpu_percent_usage()
138	return {'user': s.user,
139	'kernel': s.kernel,
140	'idle': s.idle,
141	'iowait': s.iowait,
142	'swap': s.swap,
143	'nice': s.nice,
144	'time_taken': s.time_taken,
145	}
146
147	def py_get_memory_stats():
148	cdef mem_stat_t *s
149	s = get_memory_stats()
150	return {'total': s.total,
151	'used': s.used,
152	'free': s.free,
153	'cache': s.cache,
154	}
155
156	def py_get_load_stats():
157	cdef load_stat_t *s
158	s = get_load_stats()
159	return {'min1': s.min1,
160	'min5': s.min5,
161	'min15': s.min15,
162	}
163
164	def py_get_user_stats():
165	cdef user_stat_t *s
166	s = get_user_stats()
167	return {'name_list': s.name_list,
168	'num_entries': s.num_entries,
169	}
170
171	def py_get_swap_stats():
172	cdef swap_stat_t *s
173	s = get_swap_stats()
174	return {'total': s.total,
175	'used': s.used,
176	'free': s.free,
177	}
178
179	def py_get_general_stats():
180	cdef general_stat_t *s
181	s = get_general_stats()
182	return {'os_name': s.os_name,
183	'os_release': s.os_release,
184	'os_version': s.os_version,
185	'platform': s.platform,
186	'hostname': s.hostname,
187	'uptime': s.uptime,
188	}
189
190	def py_get_disk_stats():
191	cdef disk_stat_t *s
192	cdef int entries
193	s = get_disk_stats(&entries)
194	list = [entries]
195	for i from 0 <= i < entries:
196	list.append({'device_name': s.device_name,
197	'fs_type': s.fs_type,
198	'mnt_point': s.mnt_point,
199	'size': s.size,
200	'used': s.used,
201	'avail': s.avail,
202	'total_inodes': s.total_inodes,
203	'used_inodes': s.used_inodes,
204	'free_inodes': s.free_inodes,
205	},
206	)
207	s = s + 1
208	return list
209
210	def py_get_diskio_stats():
211	cdef diskio_stat_t *s
212	cdef int entries
213	s = get_diskio_stats(&entries)
214	list = [entries]
215	for i from 0 <= i < entries:
216	list.append({'disk_name': s.disk_name,
217	'read_bytes': s.read_bytes,
218	'write_bytes': s.write_bytes,
219	'systime': s.systime,
220	},
221	)
222	s = s + 1
223	return list
224
225	def py_get_diskio_stats_diff():
226	cdef diskio_stat_t *s
227	cdef int entries
228	s = get_diskio_stats_diff(&entries)
229	list = [entries]
230	for i from 0 <= i < entries:
231	list.append({'disk_name': s.disk_name,
232	'read_bytes': s.read_bytes,
233	'write_bytes': s.write_bytes,
234	'systime': s.systime,
235	},
236	)
237	s = s + 1
238	return list
239
240	def py_get_process_stats():
241	cdef process_stat_t *s
242	s = get_process_stats()
243	return {'total': s.total,
244	'running': s.running,
245	'sleeping': s.sleeping,
246	'stopped': s.stopped,
247	'zombie': s.zombie,
248	}
249
250	def py_get_network_stats():
251	cdef network_stat_t *s
252	cdef int entries
253	s = get_network_stats(&entries)
254	list = [entries]
255	for i from 0 <= i < entries:
256	list.append({'interface_name': s.interface_name,
257	'tx': s.tx,
258	'rx': s.rx,
259	'systime': s.systime,
260	},
261	)
262	s = s + 1
263	return list
264
265	def py_get_network_stats_diff():
266	cdef network_stat_t *s
267	cdef int entries
268	s = get_network_stats_diff(&entries)
269	list = [entries]
270	for i from 0 <= i < entries:
271	list.append({'interface_name': s.interface_name,
272	'tx': s.tx,
273	'rx': s.rx,
274	'systime': s.systime,
275	},
276	)
277	s = s + 1
278	return list
279
280	def py_get_page_stats():
281	cdef page_stat_t *s
282	s = get_page_stats()
283	return {'pages_pagein': s.pages_pagein,
284	'pages_pageout': s.pages_pageout,
285	}
286
287	def py_get_page_stats_diff():
288	cdef page_stat_t *s
289	s = get_page_stats_diff()
290	return {'pages_pagein': s.pages_pagein,
291	'pages_pageout': s.pages_pageout,
292	}
293
294	def py_statgrab_init():
295	return statgrab_init()
296
297	def py_statgrab_drop_privileges():
298	return statgrab_drop_privileges()