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, 9 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.
#	User	Rev	Content
1	tdb	1.1	# 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()