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9cdf6c53 MT |
1 | /* |
2 | libloc - A library to determine the location of someone on the Internet | |
3 | ||
4 | Copyright (C) 2017 IPFire Development Team <info@ipfire.org> | |
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 | ||
17 | #include <Python.h> | |
18 | ||
c12a1385 MT |
19 | #include <libloc/libloc.h> |
20 | #include <libloc/as.h> | |
21 | #include <libloc/as-list.h> | |
22 | #include <libloc/database.h> | |
9fc7f001 | 23 | |
1da9cd39 | 24 | #include "locationmodule.h" |
86ca7ef7 | 25 | #include "as.h" |
7c922e9c | 26 | #include "country.h" |
9cdf6c53 | 27 | #include "database.h" |
31edab76 | 28 | #include "network.h" |
9cdf6c53 MT |
29 | |
30 | static PyObject* Database_new(PyTypeObject* type, PyObject* args, PyObject* kwds) { | |
9cdf6c53 | 31 | DatabaseObject* self = (DatabaseObject*)type->tp_alloc(type, 0); |
9cdf6c53 MT |
32 | |
33 | return (PyObject*)self; | |
34 | } | |
35 | ||
36 | static void Database_dealloc(DatabaseObject* self) { | |
37 | if (self->db) | |
38 | loc_database_unref(self->db); | |
39 | ||
6fd96715 MT |
40 | if (self->path) |
41 | free(self->path); | |
42 | ||
9cdf6c53 MT |
43 | Py_TYPE(self)->tp_free((PyObject* )self); |
44 | } | |
45 | ||
46 | static int Database_init(DatabaseObject* self, PyObject* args, PyObject* kwargs) { | |
47 | const char* path = NULL; | |
34d537b1 | 48 | FILE* f = NULL; |
9cdf6c53 | 49 | |
34d537b1 | 50 | // Parse arguments |
9cdf6c53 MT |
51 | if (!PyArg_ParseTuple(args, "s", &path)) |
52 | return -1; | |
53 | ||
34d537b1 | 54 | // Copy path |
6fd96715 | 55 | self->path = strdup(path); |
34d537b1 MT |
56 | if (!self->path) |
57 | goto ERROR; | |
6fd96715 | 58 | |
9cdf6c53 | 59 | // Open the file for reading |
34d537b1 MT |
60 | f = fopen(self->path, "r"); |
61 | if (!f) | |
62 | goto ERROR; | |
9cdf6c53 MT |
63 | |
64 | // Load the database | |
38e07ee0 | 65 | int r = loc_database_new(loc_ctx, &self->db, f); |
9cdf6c53 | 66 | if (r) |
34d537b1 | 67 | goto ERROR; |
9cdf6c53 | 68 | |
34d537b1 | 69 | fclose(f); |
9cdf6c53 | 70 | return 0; |
34d537b1 MT |
71 | |
72 | ERROR: | |
73 | if (f) | |
74 | fclose(f); | |
75 | ||
76 | PyErr_SetFromErrno(PyExc_OSError); | |
77 | return -1; | |
9cdf6c53 MT |
78 | } |
79 | ||
6fd96715 MT |
80 | static PyObject* Database_repr(DatabaseObject* self) { |
81 | return PyUnicode_FromFormat("<Database %s>", self->path); | |
82 | } | |
83 | ||
726f9984 MT |
84 | static PyObject* Database_verify(DatabaseObject* self, PyObject* args) { |
85 | PyObject* public_key = NULL; | |
86 | FILE* f = NULL; | |
87 | ||
88 | // Parse arguments | |
89 | if (!PyArg_ParseTuple(args, "O", &public_key)) | |
90 | return NULL; | |
91 | ||
92 | // Convert into FILE* | |
93 | int fd = PyObject_AsFileDescriptor(public_key); | |
94 | if (fd < 0) | |
95 | return NULL; | |
96 | ||
97 | // Re-open file descriptor | |
98 | f = fdopen(fd, "r"); | |
99 | if (!f) { | |
100 | PyErr_SetFromErrno(PyExc_IOError); | |
101 | return NULL; | |
102 | } | |
103 | ||
104 | int r = loc_database_verify(self->db, f); | |
b1720435 MT |
105 | |
106 | if (r == 0) | |
107 | Py_RETURN_TRUE; | |
108 | ||
109 | Py_RETURN_FALSE; | |
110 | } | |
111 | ||
d99b0256 MT |
112 | static PyObject* Database_get_description(DatabaseObject* self) { |
113 | const char* description = loc_database_get_description(self->db); | |
f35adb4c MT |
114 | if (!description) |
115 | Py_RETURN_NONE; | |
d99b0256 MT |
116 | |
117 | return PyUnicode_FromString(description); | |
118 | } | |
119 | ||
120 | static PyObject* Database_get_vendor(DatabaseObject* self) { | |
121 | const char* vendor = loc_database_get_vendor(self->db); | |
f35adb4c MT |
122 | if (!vendor) |
123 | Py_RETURN_NONE; | |
d99b0256 MT |
124 | |
125 | return PyUnicode_FromString(vendor); | |
126 | } | |
127 | ||
4bf49d00 MT |
128 | static PyObject* Database_get_license(DatabaseObject* self) { |
129 | const char* license = loc_database_get_license(self->db); | |
f35adb4c MT |
130 | if (!license) |
131 | Py_RETURN_NONE; | |
4bf49d00 MT |
132 | |
133 | return PyUnicode_FromString(license); | |
134 | } | |
135 | ||
53524b2d MT |
136 | static PyObject* Database_get_created_at(DatabaseObject* self) { |
137 | time_t created_at = loc_database_created_at(self->db); | |
138 | ||
139 | return PyLong_FromLong(created_at); | |
140 | } | |
141 | ||
86ca7ef7 MT |
142 | static PyObject* Database_get_as(DatabaseObject* self, PyObject* args) { |
143 | struct loc_as* as = NULL; | |
144 | uint32_t number = 0; | |
145 | ||
146 | if (!PyArg_ParseTuple(args, "i", &number)) | |
147 | return NULL; | |
148 | ||
149 | // Try to retrieve the AS | |
150 | int r = loc_database_get_as(self->db, &as, number); | |
86ca7ef7 | 151 | |
4a0a0f7e MT |
152 | // We got an AS |
153 | if (r == 0) { | |
86ca7ef7 MT |
154 | PyObject* obj = new_as(&ASType, as); |
155 | loc_as_unref(as); | |
156 | ||
157 | return obj; | |
86ca7ef7 MT |
158 | |
159 | // Nothing found | |
4a0a0f7e MT |
160 | } else if (r == 1) { |
161 | Py_RETURN_NONE; | |
162 | } | |
163 | ||
164 | // Unexpected error | |
165 | return NULL; | |
86ca7ef7 MT |
166 | } |
167 | ||
7c922e9c MT |
168 | static PyObject* Database_get_country(DatabaseObject* self, PyObject* args) { |
169 | const char* country_code = NULL; | |
170 | ||
171 | if (!PyArg_ParseTuple(args, "s", &country_code)) | |
172 | return NULL; | |
173 | ||
174 | struct loc_country* country; | |
175 | int r = loc_database_get_country(self->db, &country, country_code); | |
176 | if (r) { | |
177 | Py_RETURN_NONE; | |
178 | } | |
179 | ||
180 | PyObject* obj = new_country(&CountryType, country); | |
181 | loc_country_unref(country); | |
182 | ||
183 | return obj; | |
184 | } | |
185 | ||
31edab76 MT |
186 | static PyObject* Database_lookup(DatabaseObject* self, PyObject* args) { |
187 | struct loc_network* network = NULL; | |
188 | const char* address = NULL; | |
189 | ||
190 | if (!PyArg_ParseTuple(args, "s", &address)) | |
191 | return NULL; | |
192 | ||
193 | // Try to retrieve a matching network | |
194 | int r = loc_database_lookup_from_string(self->db, address, &network); | |
195 | ||
196 | // We got a network | |
197 | if (r == 0) { | |
198 | PyObject* obj = new_network(&NetworkType, network); | |
199 | loc_network_unref(network); | |
200 | ||
201 | return obj; | |
202 | ||
203 | // Nothing found | |
204 | } else if (r == 1) { | |
205 | Py_RETURN_NONE; | |
927e82f2 MT |
206 | |
207 | // Invalid input | |
208 | } else if (r == -EINVAL) { | |
209 | PyErr_Format(PyExc_ValueError, "Invalid IP address: %s", address); | |
210 | return NULL; | |
31edab76 MT |
211 | } |
212 | ||
213 | // Unexpected error | |
214 | return NULL; | |
215 | } | |
216 | ||
afb426df MT |
217 | static PyObject* new_database_enumerator(PyTypeObject* type, struct loc_database_enumerator* enumerator) { |
218 | DatabaseEnumeratorObject* self = (DatabaseEnumeratorObject*)type->tp_alloc(type, 0); | |
219 | if (self) { | |
220 | self->enumerator = loc_database_enumerator_ref(enumerator); | |
221 | } | |
222 | ||
223 | return (PyObject*)self; | |
224 | } | |
225 | ||
d34b669c MT |
226 | static PyObject* Database_iterate_all(DatabaseObject* self, |
227 | enum loc_database_enumerator_mode what, int family, int flags) { | |
a68a46f5 MT |
228 | struct loc_database_enumerator* enumerator; |
229 | ||
681ff05c | 230 | int r = loc_database_enumerator_new(&enumerator, self->db, what, flags); |
a68a46f5 MT |
231 | if (r) { |
232 | PyErr_SetFromErrno(PyExc_SystemError); | |
233 | return NULL; | |
234 | } | |
235 | ||
d34b669c MT |
236 | // Set family |
237 | if (family) | |
238 | loc_database_enumerator_set_family(enumerator, family); | |
239 | ||
a68a46f5 MT |
240 | PyObject* obj = new_database_enumerator(&DatabaseEnumeratorType, enumerator); |
241 | loc_database_enumerator_unref(enumerator); | |
242 | ||
243 | return obj; | |
244 | } | |
245 | ||
246 | static PyObject* Database_ases(DatabaseObject* self) { | |
d34b669c | 247 | return Database_iterate_all(self, LOC_DB_ENUMERATE_ASES, AF_UNSPEC, 0); |
a68a46f5 MT |
248 | } |
249 | ||
afb426df MT |
250 | static PyObject* Database_search_as(DatabaseObject* self, PyObject* args) { |
251 | const char* string = NULL; | |
252 | ||
253 | if (!PyArg_ParseTuple(args, "s", &string)) | |
254 | return NULL; | |
255 | ||
256 | struct loc_database_enumerator* enumerator; | |
257 | ||
681ff05c | 258 | int r = loc_database_enumerator_new(&enumerator, self->db, LOC_DB_ENUMERATE_ASES, 0); |
afb426df MT |
259 | if (r) { |
260 | PyErr_SetFromErrno(PyExc_SystemError); | |
261 | return NULL; | |
262 | } | |
263 | ||
264 | // Search string we are searching for | |
265 | loc_database_enumerator_set_string(enumerator, string); | |
266 | ||
267 | PyObject* obj = new_database_enumerator(&DatabaseEnumeratorType, enumerator); | |
268 | loc_database_enumerator_unref(enumerator); | |
269 | ||
270 | return obj; | |
271 | } | |
272 | ||
a68a46f5 | 273 | static PyObject* Database_networks(DatabaseObject* self) { |
d34b669c | 274 | return Database_iterate_all(self, LOC_DB_ENUMERATE_NETWORKS, AF_UNSPEC, 0); |
681ff05c MT |
275 | } |
276 | ||
277 | static PyObject* Database_networks_flattened(DatabaseObject *self) { | |
d34b669c MT |
278 | return Database_iterate_all(self, LOC_DB_ENUMERATE_NETWORKS, AF_UNSPEC, |
279 | LOC_DB_ENUMERATOR_FLAGS_FLATTEN); | |
a68a46f5 MT |
280 | } |
281 | ||
ccc7ab4e | 282 | static PyObject* Database_search_networks(DatabaseObject* self, PyObject* args, PyObject* kwargs) { |
84a2f0c2 | 283 | char* kwlist[] = { "country_codes", "asns", "flags", "family", "flatten", NULL }; |
e646a8f3 | 284 | PyObject* country_codes = NULL; |
84a2f0c2 | 285 | PyObject* asn_list = NULL; |
bbdb2e0a | 286 | int flags = 0; |
44e5ef71 | 287 | int family = 0; |
c242f732 | 288 | int flatten = 0; |
ccc7ab4e | 289 | |
84a2f0c2 MT |
290 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O!O!iip", kwlist, |
291 | &PyList_Type, &country_codes, &PyList_Type, &asn_list, &flags, &family, &flatten)) | |
ccc7ab4e MT |
292 | return NULL; |
293 | ||
294 | struct loc_database_enumerator* enumerator; | |
c242f732 MT |
295 | int r = loc_database_enumerator_new(&enumerator, self->db, LOC_DB_ENUMERATE_NETWORKS, |
296 | (flatten) ? LOC_DB_ENUMERATOR_FLAGS_FLATTEN : 0); | |
ccc7ab4e MT |
297 | if (r) { |
298 | PyErr_SetFromErrno(PyExc_SystemError); | |
299 | return NULL; | |
300 | } | |
301 | ||
302 | // Set country code we are searching for | |
e646a8f3 MT |
303 | if (country_codes) { |
304 | struct loc_country_list* countries; | |
305 | r = loc_country_list_new(loc_ctx, &countries); | |
ccc7ab4e | 306 | if (r) { |
e646a8f3 | 307 | PyErr_SetString(PyExc_SystemError, "Could not create country list"); |
ccc7ab4e MT |
308 | return NULL; |
309 | } | |
e646a8f3 | 310 | |
fa9eb94e | 311 | for (int i = 0; i < PyList_Size(country_codes); i++) { |
e646a8f3 MT |
312 | PyObject* item = PyList_GetItem(country_codes, i); |
313 | ||
314 | if (!PyUnicode_Check(item)) { | |
315 | PyErr_SetString(PyExc_TypeError, "Country codes must be strings"); | |
316 | loc_country_list_unref(countries); | |
317 | return NULL; | |
318 | } | |
319 | ||
320 | const char* country_code = PyUnicode_AsUTF8(item); | |
321 | ||
322 | struct loc_country* country; | |
323 | r = loc_country_new(loc_ctx, &country, country_code); | |
324 | if (r) { | |
325 | if (r == -EINVAL) { | |
326 | PyErr_Format(PyExc_ValueError, "Invalid country code: %s", country_code); | |
327 | } else { | |
328 | PyErr_SetString(PyExc_SystemError, "Could not create country"); | |
329 | } | |
330 | ||
331 | loc_country_list_unref(countries); | |
332 | return NULL; | |
333 | } | |
334 | ||
335 | // Append it to the list | |
336 | r = loc_country_list_append(countries, country); | |
337 | if (r) { | |
338 | PyErr_SetString(PyExc_SystemError, "Could not append country to the list"); | |
339 | ||
340 | loc_country_list_unref(countries); | |
341 | loc_country_unref(country); | |
342 | return NULL; | |
343 | } | |
344 | ||
345 | loc_country_unref(country); | |
346 | } | |
347 | ||
c98ebf8a MT |
348 | r = loc_database_enumerator_set_countries(enumerator, countries); |
349 | if (r) { | |
350 | PyErr_SetFromErrno(PyExc_SystemError); | |
351 | ||
a1a00053 | 352 | loc_country_list_unref(countries); |
c98ebf8a MT |
353 | return NULL; |
354 | } | |
e646a8f3 | 355 | |
e646a8f3 | 356 | loc_country_list_unref(countries); |
ccc7ab4e MT |
357 | } |
358 | ||
359 | // Set the ASN we are searching for | |
84a2f0c2 MT |
360 | if (asn_list) { |
361 | struct loc_as_list* asns; | |
362 | r = loc_as_list_new(loc_ctx, &asns); | |
363 | if (r) { | |
198e382c | 364 | PyErr_SetFromErrno(PyExc_OSError); |
84a2f0c2 MT |
365 | return NULL; |
366 | } | |
367 | ||
fa9eb94e | 368 | for (int i = 0; i < PyList_Size(asn_list); i++) { |
84a2f0c2 MT |
369 | PyObject* item = PyList_GetItem(asn_list, i); |
370 | ||
371 | if (!PyLong_Check(item)) { | |
372 | PyErr_SetString(PyExc_TypeError, "ASNs must be numbers"); | |
373 | ||
374 | loc_as_list_unref(asns); | |
375 | return NULL; | |
376 | } | |
377 | ||
378 | unsigned long number = PyLong_AsLong(item); | |
ccc7ab4e | 379 | |
84a2f0c2 MT |
380 | struct loc_as* as; |
381 | r = loc_as_new(loc_ctx, &as, number); | |
382 | if (r) { | |
198e382c | 383 | PyErr_SetFromErrno(PyExc_OSError); |
84a2f0c2 MT |
384 | |
385 | loc_as_list_unref(asns); | |
386 | loc_as_unref(as); | |
387 | return NULL; | |
388 | } | |
389 | ||
390 | r = loc_as_list_append(asns, as); | |
391 | if (r) { | |
198e382c | 392 | PyErr_SetFromErrno(PyExc_OSError); |
84a2f0c2 MT |
393 | |
394 | loc_as_list_unref(asns); | |
395 | loc_as_unref(as); | |
396 | return NULL; | |
397 | } | |
398 | ||
399 | loc_as_unref(as); | |
400 | } | |
401 | ||
402 | r = loc_database_enumerator_set_asns(enumerator, asns); | |
ccc7ab4e | 403 | if (r) { |
198e382c | 404 | PyErr_SetFromErrno(PyExc_OSError); |
84a2f0c2 MT |
405 | |
406 | loc_as_list_unref(asns); | |
ccc7ab4e MT |
407 | return NULL; |
408 | } | |
84a2f0c2 MT |
409 | |
410 | loc_as_list_unref(asns); | |
ccc7ab4e MT |
411 | } |
412 | ||
bbdb2e0a MT |
413 | // Set the flags we are searching for |
414 | if (flags) { | |
415 | r = loc_database_enumerator_set_flag(enumerator, flags); | |
416 | ||
417 | if (r) { | |
198e382c | 418 | PyErr_SetFromErrno(PyExc_OSError); |
bbdb2e0a MT |
419 | return NULL; |
420 | } | |
421 | } | |
422 | ||
44e5ef71 MT |
423 | // Set the family we are searching for |
424 | if (family) { | |
425 | r = loc_database_enumerator_set_family(enumerator, family); | |
426 | ||
427 | if (r) { | |
198e382c | 428 | PyErr_SetFromErrno(PyExc_OSError); |
44e5ef71 MT |
429 | return NULL; |
430 | } | |
431 | } | |
432 | ||
ccc7ab4e MT |
433 | PyObject* obj = new_database_enumerator(&DatabaseEnumeratorType, enumerator); |
434 | loc_database_enumerator_unref(enumerator); | |
435 | ||
436 | return obj; | |
437 | } | |
438 | ||
fa9a3663 | 439 | static PyObject* Database_countries(DatabaseObject* self) { |
d34b669c | 440 | return Database_iterate_all(self, LOC_DB_ENUMERATE_COUNTRIES, AF_UNSPEC, 0); |
fa9a3663 MT |
441 | } |
442 | ||
8c37d8a7 MT |
443 | static PyObject* Database_list_bogons(DatabaseObject* self, PyObject* args, PyObject* kwargs) { |
444 | char* kwlist[] = { "family", NULL }; | |
445 | int family = AF_UNSPEC; | |
446 | ||
447 | // Parse arguments | |
448 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &family)) | |
449 | return NULL; | |
450 | ||
451 | return Database_iterate_all(self, LOC_DB_ENUMERATE_BOGONS, family, 0); | |
452 | } | |
453 | ||
9cdf6c53 | 454 | static struct PyMethodDef Database_methods[] = { |
86ca7ef7 MT |
455 | { |
456 | "get_as", | |
457 | (PyCFunction)Database_get_as, | |
458 | METH_VARARGS, | |
459 | NULL, | |
460 | }, | |
7c922e9c MT |
461 | { |
462 | "get_country", | |
463 | (PyCFunction)Database_get_country, | |
464 | METH_VARARGS, | |
465 | NULL, | |
466 | }, | |
8c37d8a7 MT |
467 | { |
468 | "list_bogons", | |
469 | (PyCFunction)Database_list_bogons, | |
470 | METH_VARARGS|METH_KEYWORDS, | |
471 | NULL, | |
472 | }, | |
31edab76 MT |
473 | { |
474 | "lookup", | |
475 | (PyCFunction)Database_lookup, | |
476 | METH_VARARGS, | |
477 | NULL, | |
478 | }, | |
afb426df MT |
479 | { |
480 | "search_as", | |
481 | (PyCFunction)Database_search_as, | |
482 | METH_VARARGS, | |
483 | NULL, | |
484 | }, | |
ccc7ab4e MT |
485 | { |
486 | "search_networks", | |
487 | (PyCFunction)Database_search_networks, | |
488 | METH_VARARGS|METH_KEYWORDS, | |
489 | NULL, | |
490 | }, | |
b1720435 MT |
491 | { |
492 | "verify", | |
493 | (PyCFunction)Database_verify, | |
726f9984 | 494 | METH_VARARGS, |
b1720435 MT |
495 | NULL, |
496 | }, | |
9cdf6c53 MT |
497 | { NULL }, |
498 | }; | |
499 | ||
d99b0256 | 500 | static struct PyGetSetDef Database_getsetters[] = { |
a68a46f5 MT |
501 | { |
502 | "ases", | |
503 | (getter)Database_ases, | |
504 | NULL, | |
505 | NULL, | |
506 | NULL, | |
507 | }, | |
fa9a3663 MT |
508 | { |
509 | "countries", | |
510 | (getter)Database_countries, | |
511 | NULL, | |
512 | NULL, | |
513 | NULL, | |
514 | }, | |
53524b2d MT |
515 | { |
516 | "created_at", | |
517 | (getter)Database_get_created_at, | |
518 | NULL, | |
519 | NULL, | |
520 | NULL, | |
521 | }, | |
d99b0256 MT |
522 | { |
523 | "description", | |
524 | (getter)Database_get_description, | |
525 | NULL, | |
526 | NULL, | |
527 | NULL, | |
528 | }, | |
4bf49d00 MT |
529 | { |
530 | "license", | |
531 | (getter)Database_get_license, | |
532 | NULL, | |
533 | NULL, | |
534 | NULL, | |
535 | }, | |
a68a46f5 MT |
536 | { |
537 | "networks", | |
538 | (getter)Database_networks, | |
539 | NULL, | |
540 | NULL, | |
541 | NULL, | |
542 | }, | |
681ff05c MT |
543 | { |
544 | "networks_flattened", | |
545 | (getter)Database_networks_flattened, | |
546 | NULL, | |
547 | NULL, | |
548 | NULL, | |
549 | }, | |
d99b0256 MT |
550 | { |
551 | "vendor", | |
552 | (getter)Database_get_vendor, | |
553 | NULL, | |
554 | NULL, | |
53524b2d | 555 | NULL, |
d99b0256 MT |
556 | }, |
557 | { NULL }, | |
558 | }; | |
559 | ||
9cdf6c53 MT |
560 | PyTypeObject DatabaseType = { |
561 | PyVarObject_HEAD_INIT(NULL, 0) | |
d42e1dcd MT |
562 | .tp_name = "location.Database", |
563 | .tp_basicsize = sizeof(DatabaseObject), | |
564 | .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, | |
565 | .tp_new = Database_new, | |
566 | .tp_dealloc = (destructor)Database_dealloc, | |
567 | .tp_init = (initproc)Database_init, | |
568 | .tp_doc = "Database object", | |
569 | .tp_methods = Database_methods, | |
570 | .tp_getset = Database_getsetters, | |
571 | .tp_repr = (reprfunc)Database_repr, | |
9cdf6c53 | 572 | }; |
afb426df MT |
573 | |
574 | static PyObject* DatabaseEnumerator_new(PyTypeObject* type, PyObject* args, PyObject* kwds) { | |
575 | DatabaseEnumeratorObject* self = (DatabaseEnumeratorObject*)type->tp_alloc(type, 0); | |
576 | ||
577 | return (PyObject*)self; | |
578 | } | |
579 | ||
580 | static void DatabaseEnumerator_dealloc(DatabaseEnumeratorObject* self) { | |
581 | loc_database_enumerator_unref(self->enumerator); | |
582 | ||
583 | Py_TYPE(self)->tp_free((PyObject* )self); | |
584 | } | |
585 | ||
586 | static PyObject* DatabaseEnumerator_next(DatabaseEnumeratorObject* self) { | |
15f79e2d MT |
587 | struct loc_network* network = NULL; |
588 | ||
ccc7ab4e | 589 | // Enumerate all networks |
15f79e2d MT |
590 | int r = loc_database_enumerator_next_network(self->enumerator, &network); |
591 | if (r) { | |
20bb6d0c | 592 | PyErr_SetFromErrno(PyExc_ValueError); |
15f79e2d MT |
593 | return NULL; |
594 | } | |
595 | ||
596 | // A network was found | |
ccc7ab4e MT |
597 | if (network) { |
598 | PyObject* obj = new_network(&NetworkType, network); | |
599 | loc_network_unref(network); | |
600 | ||
601 | return obj; | |
602 | } | |
603 | ||
604 | // Enumerate all ASes | |
15f79e2d MT |
605 | struct loc_as* as = NULL; |
606 | ||
607 | r = loc_database_enumerator_next_as(self->enumerator, &as); | |
608 | if (r) { | |
20bb6d0c | 609 | PyErr_SetFromErrno(PyExc_ValueError); |
15f79e2d MT |
610 | return NULL; |
611 | } | |
612 | ||
afb426df MT |
613 | if (as) { |
614 | PyObject* obj = new_as(&ASType, as); | |
615 | loc_as_unref(as); | |
616 | ||
617 | return obj; | |
618 | } | |
619 | ||
fa9a3663 MT |
620 | // Enumerate all countries |
621 | struct loc_country* country = NULL; | |
622 | ||
623 | r = loc_database_enumerator_next_country(self->enumerator, &country); | |
624 | if (r) { | |
625 | PyErr_SetFromErrno(PyExc_ValueError); | |
626 | return NULL; | |
627 | } | |
628 | ||
629 | if (country) { | |
630 | PyObject* obj = new_country(&CountryType, country); | |
631 | loc_country_unref(country); | |
632 | ||
633 | return obj; | |
634 | } | |
635 | ||
afb426df MT |
636 | // Nothing found, that means the end |
637 | PyErr_SetNone(PyExc_StopIteration); | |
638 | return NULL; | |
639 | } | |
640 | ||
641 | PyTypeObject DatabaseEnumeratorType = { | |
642 | PyVarObject_HEAD_INIT(NULL, 0) | |
d42e1dcd MT |
643 | .tp_name = "location.DatabaseEnumerator", |
644 | .tp_basicsize = sizeof(DatabaseEnumeratorObject), | |
645 | .tp_flags = Py_TPFLAGS_DEFAULT, | |
646 | .tp_alloc = PyType_GenericAlloc, | |
647 | .tp_new = DatabaseEnumerator_new, | |
648 | .tp_dealloc = (destructor)DatabaseEnumerator_dealloc, | |
649 | .tp_iter = PyObject_SelfIter, | |
650 | .tp_iternext = (iternextfunc)DatabaseEnumerator_next, | |
afb426df | 651 | }; |