1 /* OCaml bindings for libvirt.
2 * (C) Copyright 2007 Richard W.M. Jones, Red Hat Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 /* Please read libvirt/README file. */
22 #ifdef HAVE_WEAK_SYMBOLS
23 #ifdef HAVE_VIRDOMAINBLOCKSTATS
24 extern int virDomainBlockStats (virDomainPtr dom,
26 virDomainBlockStatsPtr stats,
28 __attribute__((weak));
30 #ifdef HAVE_VIRDOMAINGETSCHEDULERPARAMETERS
31 extern int virDomainGetSchedulerParameters (virDomainPtr domain,
32 virSchedParameterPtr params,
34 __attribute__((weak));
36 #ifdef HAVE_VIRDOMAINGETSCHEDULERTYPE
37 extern char *virDomainGetSchedulerType(virDomainPtr domain,
39 __attribute__((weak));
41 #ifdef HAVE_VIRDOMAININTERFACESTATS
42 extern int virDomainInterfaceStats (virDomainPtr dom,
44 virDomainInterfaceStatsPtr stats,
46 __attribute__((weak));
48 #ifdef HAVE_VIRDOMAINMIGRATE
49 extern virDomainPtr virDomainMigrate (virDomainPtr domain, virConnectPtr dconn,
50 unsigned long flags, const char *dname,
51 const char *uri, unsigned long bandwidth)
52 __attribute__((weak));
54 #ifdef HAVE_VIRDOMAINSETSCHEDULERPARAMETERS
55 extern int virDomainSetSchedulerParameters (virDomainPtr domain,
56 virSchedParameterPtr params,
58 __attribute__((weak));
60 #ifdef HAVE_VIRNODEGETFREEMEMORY
61 extern unsigned long long virNodeGetFreeMemory (virConnectPtr conn)
62 __attribute__((weak));
64 #ifdef HAVE_VIRNODEGETCELLSFREEMEMORY
65 extern int virNodeGetCellsFreeMemory (virConnectPtr conn,
66 unsigned long long *freeMems,
67 int startCell, int maxCells)
68 __attribute__((weak));
70 #endif /* HAVE_WEAK_SYMBOLS */
72 /*----------------------------------------------------------------------*/
75 ocaml_libvirt_get_version (value driverv, value unit)
77 CAMLparam2 (driverv, unit);
79 const char *driver = Optstring_val (driverv);
80 unsigned long libVer, typeVer = 0, *typeVer_ptr;
83 typeVer_ptr = driver ? &typeVer : NULL;
84 NONBLOCKING (r = virGetVersion (&libVer, driver, typeVer_ptr));
85 CHECK_ERROR (r == -1, NULL, "virGetVersion");
87 rv = caml_alloc_tuple (2);
88 Store_field (rv, 0, Val_int (libVer));
89 Store_field (rv, 1, Val_int (typeVer));
93 /*----------------------------------------------------------------------*/
95 /* Connection object. */
98 ocaml_libvirt_connect_open (value namev, value unit)
100 CAMLparam2 (namev, unit);
102 const char *name = Optstring_val (namev);
105 NONBLOCKING (conn = virConnectOpen (name));
106 CHECK_ERROR (!conn, NULL, "virConnectOpen");
108 rv = Val_connect (conn);
114 ocaml_libvirt_connect_open_readonly (value namev, value unit)
116 CAMLparam2 (namev, unit);
118 const char *name = Optstring_val (namev);
121 NONBLOCKING (conn = virConnectOpenReadOnly (name));
122 CHECK_ERROR (!conn, NULL, "virConnectOpen");
124 rv = Val_connect (conn);
130 ocaml_libvirt_connect_get_version (value connv)
133 virConnectPtr conn = Connect_val (connv);
137 NONBLOCKING (r = virConnectGetVersion (conn, &hvVer));
138 CHECK_ERROR (r == -1, conn, "virConnectGetVersion");
140 CAMLreturn (Val_int (hvVer));
144 ocaml_libvirt_connect_get_max_vcpus (value connv, value typev)
146 CAMLparam2 (connv, typev);
147 virConnectPtr conn = Connect_val (connv);
148 const char *type = Optstring_val (typev);
151 NONBLOCKING (r = virConnectGetMaxVcpus (conn, type));
152 CHECK_ERROR (r == -1, conn, "virConnectGetMaxVcpus");
154 CAMLreturn (Val_int (r));
158 ocaml_libvirt_connect_get_node_info (value connv)
162 virConnectPtr conn = Connect_val (connv);
166 NONBLOCKING (r = virNodeGetInfo (conn, &info));
167 CHECK_ERROR (r == -1, conn, "virNodeGetInfo");
169 rv = caml_alloc (8, 0);
170 v = caml_copy_string (info.model); Store_field (rv, 0, v);
171 v = caml_copy_int64 (info.memory); Store_field (rv, 1, v);
172 Store_field (rv, 2, Val_int (info.cpus));
173 Store_field (rv, 3, Val_int (info.mhz));
174 Store_field (rv, 4, Val_int (info.nodes));
175 Store_field (rv, 5, Val_int (info.sockets));
176 Store_field (rv, 6, Val_int (info.cores));
177 Store_field (rv, 7, Val_int (info.threads));
183 ocaml_libvirt_connect_node_get_free_memory (value connv)
185 #ifdef HAVE_VIRNODEGETFREEMEMORY
188 virConnectPtr conn = Connect_val (connv);
189 unsigned long long r;
191 WEAK_SYMBOL_CHECK (virNodeGetFreeMemory);
192 NONBLOCKING (r = virNodeGetFreeMemory (conn));
193 CHECK_ERROR (r == 0, conn, "virNodeGetFreeMemory");
195 rv = caml_copy_int64 ((int64) r);
198 not_supported ("virNodeGetFreeMemory");
203 ocaml_libvirt_connect_node_get_cells_free_memory (value connv,
204 value startv, value maxv)
206 #ifdef HAVE_VIRNODEGETCELLSFREEMEMORY
207 CAMLparam3 (connv, startv, maxv);
209 virConnectPtr conn = Connect_val (connv);
210 int start = Int_val (startv);
211 int max = Int_val (maxv);
213 unsigned long long freemems[max];
215 WEAK_SYMBOL_CHECK (virNodeGetCellsFreeMemory);
216 NONBLOCKING (r = virNodeGetCellsFreeMemory (conn, freemems, start, max));
217 CHECK_ERROR (r == -1, conn, "virNodeGetCellsFreeMemory");
219 rv = caml_alloc (r, 0);
220 for (i = 0; i < r; ++i) {
221 iv = caml_copy_int64 ((int64) freemems[i]);
222 Store_field (rv, i, iv);
227 not_supported ("virNodeGetCellsFreeMemory");
232 ocaml_libvirt_domain_create_linux (value connv, value xmlv)
234 CAMLparam2 (connv, xmlv);
236 virConnectPtr conn = Connect_val (connv);
237 char *xml = String_val (xmlv);
240 NONBLOCKING (r = virDomainCreateLinux (conn, xml, 0));
241 CHECK_ERROR (!r, conn, "virDomainCreateLinux");
243 rv = Val_domain (r, connv);
248 ocaml_libvirt_domain_lookup_by_id (value connv, value iv)
250 CAMLparam2 (connv, iv);
252 virConnectPtr conn = Connect_val (connv);
253 int i = Int_val (iv);
256 NONBLOCKING (r = virDomainLookupByID (conn, i));
257 CHECK_ERROR (!r, conn, "virDomainLookupByID");
259 rv = Val_domain (r, connv);
264 ocaml_libvirt_domain_lookup_by_uuid (value connv, value uuidv)
266 CAMLparam2 (connv, uuidv);
268 virConnectPtr conn = Connect_val (connv);
269 char *uuid = String_val (uuidv);
272 NONBLOCKING (r = virDomainLookupByUUID (conn, (unsigned char *) uuid));
273 CHECK_ERROR (!r, conn, "virDomainLookupByUUID");
275 rv = Val_domain (r, connv);
280 ocaml_libvirt_domain_save (value domv, value pathv)
282 CAMLparam2 (domv, pathv);
283 virDomainPtr dom = Domain_val (domv);
284 virConnectPtr conn = Connect_domv (domv);
285 char *path = String_val (pathv);
288 NONBLOCKING (r = virDomainSave (dom, path));
289 CHECK_ERROR (r == -1, conn, "virDomainSave");
291 CAMLreturn (Val_unit);
295 ocaml_libvirt_domain_restore (value connv, value pathv)
297 CAMLparam2 (connv, pathv);
298 virConnectPtr conn = Connect_val (connv);
299 char *path = String_val (pathv);
302 NONBLOCKING (r = virDomainRestore (conn, path));
303 CHECK_ERROR (r == -1, conn, "virDomainRestore");
305 CAMLreturn (Val_unit);
309 ocaml_libvirt_domain_core_dump (value domv, value pathv)
311 CAMLparam2 (domv, pathv);
312 virDomainPtr dom = Domain_val (domv);
313 virConnectPtr conn = Connect_domv (domv);
314 char *path = String_val (pathv);
317 NONBLOCKING (r = virDomainCoreDump (dom, path, 0));
318 CHECK_ERROR (r == -1, conn, "virDomainCoreDump");
320 CAMLreturn (Val_unit);
324 ocaml_libvirt_domain_get_id (value domv)
327 virDomainPtr dom = Domain_val (domv);
328 virConnectPtr conn = Connect_domv (domv);
331 NONBLOCKING (r = virDomainGetID (dom));
332 /* There's a bug in libvirt which means that if you try to get
333 * the ID of a defined-but-not-running domain, it returns -1,
334 * and there's no way to distinguish that from an error.
336 CHECK_ERROR (r == (unsigned int) -1, conn, "virDomainGetID");
338 CAMLreturn (Val_int ((int) r));
342 ocaml_libvirt_domain_get_max_memory (value domv)
346 virDomainPtr dom = Domain_val (domv);
347 virConnectPtr conn = Connect_domv (domv);
350 NONBLOCKING (r = virDomainGetMaxMemory (dom));
351 CHECK_ERROR (r == 0 /* [sic] */, conn, "virDomainGetMaxMemory");
353 rv = caml_copy_int64 (r);
358 ocaml_libvirt_domain_set_max_memory (value domv, value memv)
360 CAMLparam2 (domv, memv);
361 virDomainPtr dom = Domain_val (domv);
362 virConnectPtr conn = Connect_domv (domv);
363 unsigned long mem = Int64_val (memv);
366 NONBLOCKING (r = virDomainSetMaxMemory (dom, mem));
367 CHECK_ERROR (r == -1, conn, "virDomainSetMaxMemory");
369 CAMLreturn (Val_unit);
373 ocaml_libvirt_domain_set_memory (value domv, value memv)
375 CAMLparam2 (domv, memv);
376 virDomainPtr dom = Domain_val (domv);
377 virConnectPtr conn = Connect_domv (domv);
378 unsigned long mem = Int64_val (memv);
381 NONBLOCKING (r = virDomainSetMemory (dom, mem));
382 CHECK_ERROR (r == -1, conn, "virDomainSetMemory");
384 CAMLreturn (Val_unit);
388 ocaml_libvirt_domain_get_info (value domv)
392 virDomainPtr dom = Domain_val (domv);
393 virConnectPtr conn = Connect_domv (domv);
397 NONBLOCKING (r = virDomainGetInfo (dom, &info));
398 CHECK_ERROR (r == -1, conn, "virDomainGetInfo");
400 rv = caml_alloc (5, 0);
401 Store_field (rv, 0, Val_int (info.state)); // These flags are compatible.
402 v = caml_copy_int64 (info.maxMem); Store_field (rv, 1, v);
403 v = caml_copy_int64 (info.memory); Store_field (rv, 2, v);
404 Store_field (rv, 3, Val_int (info.nrVirtCpu));
405 v = caml_copy_int64 (info.cpuTime); Store_field (rv, 4, v);
411 ocaml_libvirt_domain_get_scheduler_type (value domv)
413 #ifdef HAVE_VIRDOMAINGETSCHEDULERTYPE
415 CAMLlocal2 (rv, strv);
416 virDomainPtr dom = Domain_val (domv);
417 virConnectPtr conn = Connect_domv (domv);
421 WEAK_SYMBOL_CHECK (virDomainGetSchedulerType);
422 NONBLOCKING (r = virDomainGetSchedulerType (dom, &nparams));
423 CHECK_ERROR (!r, conn, "virDomainGetSchedulerType");
425 rv = caml_alloc_tuple (2);
426 strv = caml_copy_string (r); Store_field (rv, 0, strv);
428 Store_field (rv, 1, nparams);
431 not_supported ("virDomainGetSchedulerType");
436 ocaml_libvirt_domain_get_scheduler_parameters (value domv, value nparamsv)
438 #ifdef HAVE_VIRDOMAINGETSCHEDULERPARAMETERS
439 CAMLparam2 (domv, nparamsv);
440 CAMLlocal4 (rv, v, v2, v3);
441 virDomainPtr dom = Domain_val (domv);
442 virConnectPtr conn = Connect_domv (domv);
443 int nparams = Int_val (nparamsv);
444 virSchedParameter params[nparams];
447 WEAK_SYMBOL_CHECK (virDomainGetSchedulerParameters);
448 NONBLOCKING (r = virDomainGetSchedulerParameters (dom, params, &nparams));
449 CHECK_ERROR (r == -1, conn, "virDomainGetSchedulerParameters");
451 rv = caml_alloc (nparams, 0);
452 for (i = 0; i < nparams; ++i) {
453 v = caml_alloc_tuple (2); Store_field (rv, i, v);
454 v2 = caml_copy_string (params[i].field); Store_field (v, 0, v2);
455 switch (params[i].type) {
456 case VIR_DOMAIN_SCHED_FIELD_INT:
457 v2 = caml_alloc (1, 0);
458 v3 = caml_copy_int32 (params[i].value.i); Store_field (v2, 0, v3);
460 case VIR_DOMAIN_SCHED_FIELD_UINT:
461 v2 = caml_alloc (1, 1);
462 v3 = caml_copy_int32 (params[i].value.ui); Store_field (v2, 0, v3);
464 case VIR_DOMAIN_SCHED_FIELD_LLONG:
465 v2 = caml_alloc (1, 2);
466 v3 = caml_copy_int64 (params[i].value.l); Store_field (v2, 0, v3);
468 case VIR_DOMAIN_SCHED_FIELD_ULLONG:
469 v2 = caml_alloc (1, 3);
470 v3 = caml_copy_int64 (params[i].value.ul); Store_field (v2, 0, v3);
472 case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
473 v2 = caml_alloc (1, 4);
474 v3 = caml_copy_double (params[i].value.d); Store_field (v2, 0, v3);
476 case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
477 v2 = caml_alloc (1, 5);
478 Store_field (v2, 0, Val_int (params[i].value.b));
481 caml_failwith ((char *)__FUNCTION__);
483 Store_field (v, 1, v2);
487 not_supported ("virDomainGetSchedulerParameters");
492 ocaml_libvirt_domain_set_scheduler_parameters (value domv, value paramsv)
494 #ifdef HAVE_VIRDOMAINSETSCHEDULERPARAMETERS
495 CAMLparam2 (domv, paramsv);
497 virDomainPtr dom = Domain_val (domv);
498 virConnectPtr conn = Connect_domv (domv);
499 int nparams = Wosize_val (paramsv);
500 virSchedParameter params[nparams];
504 for (i = 0; i < nparams; ++i) {
505 v = Field (paramsv, i); /* Points to the two-element tuple. */
506 name = String_val (Field (v, 0));
507 strncpy (params[i].field, name, VIR_DOMAIN_SCHED_FIELD_LENGTH);
508 params[i].field[VIR_DOMAIN_SCHED_FIELD_LENGTH-1] = '\0';
509 v = Field (v, 1); /* Points to the sched_param_value block. */
510 switch (Tag_val (v)) {
512 params[i].type = VIR_DOMAIN_SCHED_FIELD_INT;
513 params[i].value.i = Int32_val (Field (v, 0));
516 params[i].type = VIR_DOMAIN_SCHED_FIELD_UINT;
517 params[i].value.ui = Int32_val (Field (v, 0));
520 params[i].type = VIR_DOMAIN_SCHED_FIELD_LLONG;
521 params[i].value.l = Int64_val (Field (v, 0));
524 params[i].type = VIR_DOMAIN_SCHED_FIELD_ULLONG;
525 params[i].value.ul = Int64_val (Field (v, 0));
528 params[i].type = VIR_DOMAIN_SCHED_FIELD_DOUBLE;
529 params[i].value.d = Double_val (Field (v, 0));
532 params[i].type = VIR_DOMAIN_SCHED_FIELD_BOOLEAN;
533 params[i].value.b = Int_val (Field (v, 0));
536 caml_failwith ((char *)__FUNCTION__);
540 WEAK_SYMBOL_CHECK (virDomainSetSchedulerParameters);
541 NONBLOCKING (r = virDomainSetSchedulerParameters (dom, params, nparams));
542 CHECK_ERROR (r == -1, conn, "virDomainSetSchedulerParameters");
544 CAMLreturn (Val_unit);
546 not_supported ("virDomainSetSchedulerParameters");
551 ocaml_libvirt_domain_define_xml (value connv, value xmlv)
553 CAMLparam2 (connv, xmlv);
555 virConnectPtr conn = Connect_val (connv);
556 char *xml = String_val (xmlv);
559 NONBLOCKING (r = virDomainDefineXML (conn, xml));
560 CHECK_ERROR (!r, conn, "virDomainDefineXML");
562 rv = Val_domain (r, connv);
567 ocaml_libvirt_domain_set_vcpus (value domv, value nvcpusv)
569 CAMLparam2 (domv, nvcpusv);
570 virDomainPtr dom = Domain_val (domv);
571 virConnectPtr conn = Connect_domv (domv);
572 int r, nvcpus = Int_val (nvcpusv);
574 NONBLOCKING (r = virDomainSetVcpus (dom, nvcpus));
575 CHECK_ERROR (r == -1, conn, "virDomainSetVcpus");
577 CAMLreturn (Val_unit);
581 ocaml_libvirt_domain_pin_vcpu (value domv, value vcpuv, value cpumapv)
583 CAMLparam3 (domv, vcpuv, cpumapv);
584 virDomainPtr dom = Domain_val (domv);
585 virConnectPtr conn = Connect_domv (domv);
586 int maplen = caml_string_length (cpumapv);
587 unsigned char *cpumap = (unsigned char *) String_val (cpumapv);
588 int vcpu = Int_val (vcpuv);
591 NONBLOCKING (r = virDomainPinVcpu (dom, vcpu, cpumap, maplen));
592 CHECK_ERROR (r == -1, conn, "virDomainPinVcpu");
594 CAMLreturn (Val_unit);
598 ocaml_libvirt_domain_get_vcpus (value domv, value maxinfov, value maplenv)
600 CAMLparam3 (domv, maxinfov, maplenv);
601 CAMLlocal5 (rv, infov, strv, v, v2);
602 virDomainPtr dom = Domain_val (domv);
603 virConnectPtr conn = Connect_domv (domv);
604 int maxinfo = Int_val (maxinfov);
605 int maplen = Int_val (maplenv);
606 virVcpuInfo info[maxinfo];
607 unsigned char cpumaps[maxinfo * maplen];
610 memset (info, 0, sizeof (virVcpuInfo) * maxinfo);
611 memset (cpumaps, 0, maxinfo * maplen);
613 NONBLOCKING (r = virDomainGetVcpus (dom, info, maxinfo, cpumaps, maplen));
614 CHECK_ERROR (r == -1, conn, "virDomainPinVcpu");
616 /* Copy the virVcpuInfo structures. */
617 infov = caml_alloc (maxinfo, 0);
618 for (i = 0; i < maxinfo; ++i) {
619 v2 = caml_alloc (4, 0); Store_field (infov, i, v2);
620 Store_field (v2, 0, Val_int (info[i].number));
621 Store_field (v2, 1, Val_int (info[i].state));
622 v = caml_copy_int64 (info[i].cpuTime); Store_field (v2, 2, v);
623 Store_field (v2, 3, Val_int (info[i].cpu));
626 /* Copy the bitmap. */
627 strv = caml_alloc_string (maxinfo * maplen);
628 memcpy (String_val (strv), cpumaps, maxinfo * maplen);
630 /* Allocate the tuple and return it. */
631 rv = caml_alloc_tuple (3);
632 Store_field (rv, 0, Val_int (r)); /* number of CPUs. */
633 Store_field (rv, 1, infov);
634 Store_field (rv, 2, strv);
640 ocaml_libvirt_domain_get_max_vcpus (value domv)
643 virDomainPtr dom = Domain_val (domv);
644 virConnectPtr conn = Connect_domv (domv);
647 NONBLOCKING (r = virDomainGetMaxVcpus (dom));
648 CHECK_ERROR (r == -1, conn, "virDomainGetMaxVcpus");
650 CAMLreturn (Val_int (r));
654 ocaml_libvirt_domain_attach_device (value domv, value xmlv)
656 CAMLparam2 (domv, xmlv);
657 virDomainPtr dom = Domain_val (domv);
658 virConnectPtr conn = Connect_domv (domv);
659 char *xml = String_val (xmlv);
662 NONBLOCKING (r = virDomainAttachDevice (dom, xml));
663 CHECK_ERROR (r == -1, conn, "virDomainAttachDevice");
665 CAMLreturn (Val_unit);
669 ocaml_libvirt_domain_detach_device (value domv, value xmlv)
671 CAMLparam2 (domv, xmlv);
672 virDomainPtr dom = Domain_val (domv);
673 virConnectPtr conn = Connect_domv (domv);
674 char *xml = String_val (xmlv);
677 NONBLOCKING (r = virDomainDetachDevice (dom, xml));
678 CHECK_ERROR (r == -1, conn, "virDomainDetachDevice");
680 CAMLreturn (Val_unit);
684 ocaml_libvirt_domain_migrate_native (value domv, value dconnv, value flagsv, value optdnamev, value opturiv, value optbandwidthv, value unitv)
686 #ifdef HAVE_VIRDOMAINMIGRATE
687 CAMLparam5 (domv, dconnv, flagsv, optdnamev, opturiv);
688 CAMLxparam2 (optbandwidthv, unitv);
689 CAMLlocal2 (flagv, rv);
690 virDomainPtr dom = Domain_val (domv);
691 virConnectPtr conn = Connect_domv (domv);
692 virConnectPtr dconn = Connect_val (dconnv);
694 const char *dname = Optstring_val (optdnamev);
695 const char *uri = Optstring_val (opturiv);
696 unsigned long bandwidth;
699 /* Iterate over the list of flags. */
700 for (; flagsv != Val_int (0); flagsv = Field (flagsv, 1))
702 flagv = Field (flagsv, 0);
703 if (flagv == Int_val(0))
704 flags |= VIR_MIGRATE_LIVE;
707 if (optbandwidthv == Val_int (0)) /* None */
709 else /* Some bandwidth */
710 bandwidth = Int_val (Field (optbandwidthv, 0));
712 WEAK_SYMBOL_CHECK (virDomainMigrate);
713 NONBLOCKING (r = virDomainMigrate (dom, dconn, flags, dname, uri, bandwidth));
714 CHECK_ERROR (!r, conn, "virDomainMigrate");
716 rv = Val_domain (r, dconnv);
720 #else /* virDomainMigrate not supported */
721 not_supported ("virDomainMigrate");
726 ocaml_libvirt_domain_migrate_bytecode (value *argv, int argn)
728 return ocaml_libvirt_domain_migrate_native (argv[0], argv[1], argv[2],
729 argv[3], argv[4], argv[5],
734 ocaml_libvirt_domain_block_stats (value domv, value pathv)
736 #if HAVE_VIRDOMAINBLOCKSTATS
737 CAMLparam2 (domv, pathv);
739 virDomainPtr dom = Domain_val (domv);
740 virConnectPtr conn = Connect_domv (domv);
741 char *path = String_val (pathv);
742 struct _virDomainBlockStats stats;
745 WEAK_SYMBOL_CHECK (virDomainBlockStats);
746 NONBLOCKING (r = virDomainBlockStats (dom, path, &stats, sizeof stats));
747 CHECK_ERROR (r == -1, conn, "virDomainBlockStats");
749 rv = caml_alloc (5, 0);
750 v = caml_copy_int64 (stats.rd_req); Store_field (rv, 0, v);
751 v = caml_copy_int64 (stats.rd_bytes); Store_field (rv, 1, v);
752 v = caml_copy_int64 (stats.wr_req); Store_field (rv, 2, v);
753 v = caml_copy_int64 (stats.wr_bytes); Store_field (rv, 3, v);
754 v = caml_copy_int64 (stats.errs); Store_field (rv, 4, v);
758 not_supported ("virDomainBlockStats");
763 ocaml_libvirt_domain_interface_stats (value domv, value pathv)
765 #if HAVE_VIRDOMAININTERFACESTATS
766 CAMLparam2 (domv, pathv);
768 virDomainPtr dom = Domain_val (domv);
769 virConnectPtr conn = Connect_domv (domv);
770 char *path = String_val (pathv);
771 struct _virDomainInterfaceStats stats;
774 WEAK_SYMBOL_CHECK (virDomainInterfaceStats);
775 NONBLOCKING (r = virDomainInterfaceStats (dom, path, &stats, sizeof stats));
776 CHECK_ERROR (r == -1, conn, "virDomainInterfaceStats");
778 rv = caml_alloc (8, 0);
779 v = caml_copy_int64 (stats.rx_bytes); Store_field (rv, 0, v);
780 v = caml_copy_int64 (stats.rx_packets); Store_field (rv, 1, v);
781 v = caml_copy_int64 (stats.rx_errs); Store_field (rv, 2, v);
782 v = caml_copy_int64 (stats.rx_drop); Store_field (rv, 3, v);
783 v = caml_copy_int64 (stats.tx_bytes); Store_field (rv, 4, v);
784 v = caml_copy_int64 (stats.tx_packets); Store_field (rv, 5, v);
785 v = caml_copy_int64 (stats.tx_errs); Store_field (rv, 6, v);
786 v = caml_copy_int64 (stats.tx_drop); Store_field (rv, 7, v);
790 not_supported ("virDomainInterfaceStats");
795 ocaml_libvirt_network_lookup_by_uuid (value connv, value uuidv)
797 CAMLparam2 (connv, uuidv);
799 virConnectPtr conn = Connect_val (connv);
800 char *uuid = String_val (uuidv);
803 NONBLOCKING (r = virNetworkLookupByUUID (conn, (unsigned char *) uuid));
804 CHECK_ERROR (!r, conn, "virNetworkLookupByUUID");
806 rv = Val_network (r, connv);
811 ocaml_libvirt_network_create_xml (value connv, value xmlv)
813 CAMLparam2 (connv, xmlv);
815 virConnectPtr conn = Connect_val (connv);
816 char *xml = String_val (xmlv);
819 NONBLOCKING (r = virNetworkCreateXML (conn, xml));
820 CHECK_ERROR (!r, conn, "virNetworkCreateXML");
822 rv = Val_network (r, connv);
827 ocaml_libvirt_network_define_xml (value connv, value xmlv)
829 CAMLparam2 (connv, xmlv);
831 virConnectPtr conn = Connect_val (connv);
832 char *xml = String_val (xmlv);
835 NONBLOCKING (r = virNetworkDefineXML (conn, xml));
836 CHECK_ERROR (!r, conn, "virNetworkDefineXML");
838 rv = Val_network (r, connv);
842 /*----------------------------------------------------------------------*/
845 ocaml_libvirt_virterror_get_last_error (value unitv)
849 virErrorPtr err = virGetLastError ();
851 rv = Val_opt (err, (Val_ptr_t) Val_virterror);
857 ocaml_libvirt_virterror_get_last_conn_error (value connv)
861 virConnectPtr conn = Connect_val (connv);
863 rv = Val_opt (conn, (Val_ptr_t) Val_connect);
869 ocaml_libvirt_virterror_reset_last_error (value unitv)
872 virResetLastError ();
873 CAMLreturn (Val_unit);
877 ocaml_libvirt_virterror_reset_last_conn_error (value connv)
880 virConnectPtr conn = Connect_val (connv);
881 virConnResetLastError (conn);
882 CAMLreturn (Val_unit);
885 /*----------------------------------------------------------------------*/
887 /* Initialise the library. */
889 ocaml_libvirt_init (value unit)
895 r = virInitialize ();
896 CHECK_ERROR (r == -1, NULL, "virInitialize");
898 CAMLreturn (Val_unit);