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_close (value connv)
133 virConnectPtr conn = Connect_val (connv);
136 NONBLOCKING (r = virConnectClose (conn));
137 CHECK_ERROR (r == -1, conn, "virConnectClose");
139 /* So that we don't double-free in the finalizer: */
140 Connect_val (connv) = NULL;
142 CAMLreturn (Val_unit);
146 ocaml_libvirt_connect_get_version (value connv)
149 virConnectPtr conn = Connect_val (connv);
153 NONBLOCKING (r = virConnectGetVersion (conn, &hvVer));
154 CHECK_ERROR (r == -1, conn, "virConnectGetVersion");
156 CAMLreturn (Val_int (hvVer));
160 ocaml_libvirt_connect_get_max_vcpus (value connv, value typev)
162 CAMLparam2 (connv, typev);
163 virConnectPtr conn = Connect_val (connv);
164 const char *type = Optstring_val (typev);
167 NONBLOCKING (r = virConnectGetMaxVcpus (conn, type));
168 CHECK_ERROR (r == -1, conn, "virConnectGetMaxVcpus");
170 CAMLreturn (Val_int (r));
174 ocaml_libvirt_connect_get_node_info (value connv)
178 virConnectPtr conn = Connect_val (connv);
182 NONBLOCKING (r = virNodeGetInfo (conn, &info));
183 CHECK_ERROR (r == -1, conn, "virNodeGetInfo");
185 rv = caml_alloc (8, 0);
186 v = caml_copy_string (info.model); Store_field (rv, 0, v);
187 v = caml_copy_int64 (info.memory); Store_field (rv, 1, v);
188 Store_field (rv, 2, Val_int (info.cpus));
189 Store_field (rv, 3, Val_int (info.mhz));
190 Store_field (rv, 4, Val_int (info.nodes));
191 Store_field (rv, 5, Val_int (info.sockets));
192 Store_field (rv, 6, Val_int (info.cores));
193 Store_field (rv, 7, Val_int (info.threads));
199 ocaml_libvirt_connect_node_get_free_memory (value connv)
201 #ifdef HAVE_VIRNODEGETFREEMEMORY
204 virConnectPtr conn = Connect_val (connv);
205 unsigned long long r;
207 WEAK_SYMBOL_CHECK (virNodeGetFreeMemory);
208 NONBLOCKING (r = virNodeGetFreeMemory (conn));
209 CHECK_ERROR (r == 0, conn, "virNodeGetFreeMemory");
211 rv = caml_copy_int64 ((int64) r);
214 not_supported ("virNodeGetFreeMemory");
219 ocaml_libvirt_connect_node_get_cells_free_memory (value connv,
220 value startv, value maxv)
222 #ifdef HAVE_VIRNODEGETCELLSFREEMEMORY
223 CAMLparam3 (connv, startv, maxv);
225 virConnectPtr conn = Connect_val (connv);
226 int start = Int_val (startv);
227 int max = Int_val (maxv);
229 unsigned long long freemems[max];
231 WEAK_SYMBOL_CHECK (virNodeGetCellsFreeMemory);
232 NONBLOCKING (r = virNodeGetCellsFreeMemory (conn, freemems, start, max));
233 CHECK_ERROR (r == -1, conn, "virNodeGetCellsFreeMemory");
235 rv = caml_alloc (r, 0);
236 for (i = 0; i < r; ++i) {
237 iv = caml_copy_int64 ((int64) freemems[i]);
238 Store_field (rv, i, iv);
243 not_supported ("virNodeGetCellsFreeMemory");
248 ocaml_libvirt_domain_create_linux (value connv, value xmlv)
250 CAMLparam2 (connv, xmlv);
252 virConnectPtr conn = Connect_val (connv);
253 char *xml = String_val (xmlv);
256 NONBLOCKING (r = virDomainCreateLinux (conn, xml, 0));
257 CHECK_ERROR (!r, conn, "virDomainCreateLinux");
259 rv = Val_domain (r, connv);
264 ocaml_libvirt_domain_lookup_by_id (value connv, value iv)
266 CAMLparam2 (connv, iv);
268 virConnectPtr conn = Connect_val (connv);
269 int i = Int_val (iv);
272 NONBLOCKING (r = virDomainLookupByID (conn, i));
273 CHECK_ERROR (!r, conn, "virDomainLookupByID");
275 rv = Val_domain (r, connv);
280 ocaml_libvirt_domain_lookup_by_uuid (value connv, value uuidv)
282 CAMLparam2 (connv, uuidv);
284 virConnectPtr conn = Connect_val (connv);
285 char *uuid = String_val (uuidv);
288 NONBLOCKING (r = virDomainLookupByUUID (conn, (unsigned char *) uuid));
289 CHECK_ERROR (!r, conn, "virDomainLookupByUUID");
291 rv = Val_domain (r, connv);
296 ocaml_libvirt_domain_destroy (value domv)
299 virDomainPtr dom = Domain_val (domv);
300 virConnectPtr conn = Connect_domv (domv);
303 NONBLOCKING (r = virDomainDestroy (dom));
304 CHECK_ERROR (r == -1, conn, "virDomainDestroy");
306 /* So that we don't double-free in the finalizer: */
307 Domain_val (domv) = NULL;
309 CAMLreturn (Val_unit);
313 ocaml_libvirt_domain_free (value domv)
316 virDomainPtr dom = Domain_val (domv);
317 virConnectPtr conn = Connect_domv (domv);
320 NONBLOCKING (r = virDomainFree (dom));
321 CHECK_ERROR (r == -1, conn, "virDomainFree");
323 /* So that we don't double-free in the finalizer: */
324 Domain_val (domv) = NULL;
326 CAMLreturn (Val_unit);
330 ocaml_libvirt_domain_save (value domv, value pathv)
332 CAMLparam2 (domv, pathv);
333 virDomainPtr dom = Domain_val (domv);
334 virConnectPtr conn = Connect_domv (domv);
335 char *path = String_val (pathv);
338 NONBLOCKING (r = virDomainSave (dom, path));
339 CHECK_ERROR (r == -1, conn, "virDomainSave");
341 CAMLreturn (Val_unit);
345 ocaml_libvirt_domain_restore (value connv, value pathv)
347 CAMLparam2 (connv, pathv);
348 virConnectPtr conn = Connect_val (connv);
349 char *path = String_val (pathv);
352 NONBLOCKING (r = virDomainRestore (conn, path));
353 CHECK_ERROR (r == -1, conn, "virDomainRestore");
355 CAMLreturn (Val_unit);
359 ocaml_libvirt_domain_core_dump (value domv, value pathv)
361 CAMLparam2 (domv, pathv);
362 virDomainPtr dom = Domain_val (domv);
363 virConnectPtr conn = Connect_domv (domv);
364 char *path = String_val (pathv);
367 NONBLOCKING (r = virDomainCoreDump (dom, path, 0));
368 CHECK_ERROR (r == -1, conn, "virDomainCoreDump");
370 CAMLreturn (Val_unit);
374 ocaml_libvirt_domain_get_id (value domv)
377 virDomainPtr dom = Domain_val (domv);
378 virConnectPtr conn = Connect_domv (domv);
381 NONBLOCKING (r = virDomainGetID (dom));
382 /* There's a bug in libvirt which means that if you try to get
383 * the ID of a defined-but-not-running domain, it returns -1,
384 * and there's no way to distinguish that from an error.
386 CHECK_ERROR (r == (unsigned int) -1, conn, "virDomainGetID");
388 CAMLreturn (Val_int ((int) r));
392 ocaml_libvirt_domain_get_max_memory (value domv)
396 virDomainPtr dom = Domain_val (domv);
397 virConnectPtr conn = Connect_domv (domv);
400 NONBLOCKING (r = virDomainGetMaxMemory (dom));
401 CHECK_ERROR (r == 0 /* [sic] */, conn, "virDomainGetMaxMemory");
403 rv = caml_copy_int64 (r);
408 ocaml_libvirt_domain_set_max_memory (value domv, value memv)
410 CAMLparam2 (domv, memv);
411 virDomainPtr dom = Domain_val (domv);
412 virConnectPtr conn = Connect_domv (domv);
413 unsigned long mem = Int64_val (memv);
416 NONBLOCKING (r = virDomainSetMaxMemory (dom, mem));
417 CHECK_ERROR (r == -1, conn, "virDomainSetMaxMemory");
419 CAMLreturn (Val_unit);
423 ocaml_libvirt_domain_set_memory (value domv, value memv)
425 CAMLparam2 (domv, memv);
426 virDomainPtr dom = Domain_val (domv);
427 virConnectPtr conn = Connect_domv (domv);
428 unsigned long mem = Int64_val (memv);
431 NONBLOCKING (r = virDomainSetMemory (dom, mem));
432 CHECK_ERROR (r == -1, conn, "virDomainSetMemory");
434 CAMLreturn (Val_unit);
438 ocaml_libvirt_domain_get_info (value domv)
442 virDomainPtr dom = Domain_val (domv);
443 virConnectPtr conn = Connect_domv (domv);
447 NONBLOCKING (r = virDomainGetInfo (dom, &info));
448 CHECK_ERROR (r == -1, conn, "virDomainGetInfo");
450 rv = caml_alloc (5, 0);
451 Store_field (rv, 0, Val_int (info.state)); // These flags are compatible.
452 v = caml_copy_int64 (info.maxMem); Store_field (rv, 1, v);
453 v = caml_copy_int64 (info.memory); Store_field (rv, 2, v);
454 Store_field (rv, 3, Val_int (info.nrVirtCpu));
455 v = caml_copy_int64 (info.cpuTime); Store_field (rv, 4, v);
461 ocaml_libvirt_domain_get_scheduler_type (value domv)
463 #ifdef HAVE_VIRDOMAINGETSCHEDULERTYPE
465 CAMLlocal2 (rv, strv);
466 virDomainPtr dom = Domain_val (domv);
467 virConnectPtr conn = Connect_domv (domv);
471 WEAK_SYMBOL_CHECK (virDomainGetSchedulerType);
472 NONBLOCKING (r = virDomainGetSchedulerType (dom, &nparams));
473 CHECK_ERROR (!r, conn, "virDomainGetSchedulerType");
475 rv = caml_alloc_tuple (2);
476 strv = caml_copy_string (r); Store_field (rv, 0, strv);
478 Store_field (rv, 1, nparams);
481 not_supported ("virDomainGetSchedulerType");
486 ocaml_libvirt_domain_get_scheduler_parameters (value domv, value nparamsv)
488 #ifdef HAVE_VIRDOMAINGETSCHEDULERPARAMETERS
489 CAMLparam2 (domv, nparamsv);
490 CAMLlocal4 (rv, v, v2, v3);
491 virDomainPtr dom = Domain_val (domv);
492 virConnectPtr conn = Connect_domv (domv);
493 int nparams = Int_val (nparamsv);
494 virSchedParameter params[nparams];
497 WEAK_SYMBOL_CHECK (virDomainGetSchedulerParameters);
498 NONBLOCKING (r = virDomainGetSchedulerParameters (dom, params, &nparams));
499 CHECK_ERROR (r == -1, conn, "virDomainGetSchedulerParameters");
501 rv = caml_alloc (nparams, 0);
502 for (i = 0; i < nparams; ++i) {
503 v = caml_alloc_tuple (2); Store_field (rv, i, v);
504 v2 = caml_copy_string (params[i].field); Store_field (v, 0, v2);
505 switch (params[i].type) {
506 case VIR_DOMAIN_SCHED_FIELD_INT:
507 v2 = caml_alloc (1, 0);
508 v3 = caml_copy_int32 (params[i].value.i); Store_field (v2, 0, v3);
510 case VIR_DOMAIN_SCHED_FIELD_UINT:
511 v2 = caml_alloc (1, 1);
512 v3 = caml_copy_int32 (params[i].value.ui); Store_field (v2, 0, v3);
514 case VIR_DOMAIN_SCHED_FIELD_LLONG:
515 v2 = caml_alloc (1, 2);
516 v3 = caml_copy_int64 (params[i].value.l); Store_field (v2, 0, v3);
518 case VIR_DOMAIN_SCHED_FIELD_ULLONG:
519 v2 = caml_alloc (1, 3);
520 v3 = caml_copy_int64 (params[i].value.ul); Store_field (v2, 0, v3);
522 case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
523 v2 = caml_alloc (1, 4);
524 v3 = caml_copy_double (params[i].value.d); Store_field (v2, 0, v3);
526 case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
527 v2 = caml_alloc (1, 5);
528 Store_field (v2, 0, Val_int (params[i].value.b));
531 caml_failwith ((char *)__FUNCTION__);
533 Store_field (v, 1, v2);
537 not_supported ("virDomainGetSchedulerParameters");
542 ocaml_libvirt_domain_set_scheduler_parameters (value domv, value paramsv)
544 #ifdef HAVE_VIRDOMAINSETSCHEDULERPARAMETERS
545 CAMLparam2 (domv, paramsv);
547 virDomainPtr dom = Domain_val (domv);
548 virConnectPtr conn = Connect_domv (domv);
549 int nparams = Wosize_val (paramsv);
550 virSchedParameter params[nparams];
554 for (i = 0; i < nparams; ++i) {
555 v = Field (paramsv, i); /* Points to the two-element tuple. */
556 name = String_val (Field (v, 0));
557 strncpy (params[i].field, name, VIR_DOMAIN_SCHED_FIELD_LENGTH);
558 params[i].field[VIR_DOMAIN_SCHED_FIELD_LENGTH-1] = '\0';
559 v = Field (v, 1); /* Points to the sched_param_value block. */
560 switch (Tag_val (v)) {
562 params[i].type = VIR_DOMAIN_SCHED_FIELD_INT;
563 params[i].value.i = Int32_val (Field (v, 0));
566 params[i].type = VIR_DOMAIN_SCHED_FIELD_UINT;
567 params[i].value.ui = Int32_val (Field (v, 0));
570 params[i].type = VIR_DOMAIN_SCHED_FIELD_LLONG;
571 params[i].value.l = Int64_val (Field (v, 0));
574 params[i].type = VIR_DOMAIN_SCHED_FIELD_ULLONG;
575 params[i].value.ul = Int64_val (Field (v, 0));
578 params[i].type = VIR_DOMAIN_SCHED_FIELD_DOUBLE;
579 params[i].value.d = Double_val (Field (v, 0));
582 params[i].type = VIR_DOMAIN_SCHED_FIELD_BOOLEAN;
583 params[i].value.b = Int_val (Field (v, 0));
586 caml_failwith ((char *)__FUNCTION__);
590 WEAK_SYMBOL_CHECK (virDomainSetSchedulerParameters);
591 NONBLOCKING (r = virDomainSetSchedulerParameters (dom, params, nparams));
592 CHECK_ERROR (r == -1, conn, "virDomainSetSchedulerParameters");
594 CAMLreturn (Val_unit);
596 not_supported ("virDomainSetSchedulerParameters");
601 ocaml_libvirt_domain_define_xml (value connv, value xmlv)
603 CAMLparam2 (connv, xmlv);
605 virConnectPtr conn = Connect_val (connv);
606 char *xml = String_val (xmlv);
609 NONBLOCKING (r = virDomainDefineXML (conn, xml));
610 CHECK_ERROR (!r, conn, "virDomainDefineXML");
612 rv = Val_domain (r, connv);
617 ocaml_libvirt_domain_set_vcpus (value domv, value nvcpusv)
619 CAMLparam2 (domv, nvcpusv);
620 virDomainPtr dom = Domain_val (domv);
621 virConnectPtr conn = Connect_domv (domv);
622 int r, nvcpus = Int_val (nvcpusv);
624 NONBLOCKING (r = virDomainSetVcpus (dom, nvcpus));
625 CHECK_ERROR (r == -1, conn, "virDomainSetVcpus");
627 CAMLreturn (Val_unit);
631 ocaml_libvirt_domain_pin_vcpu (value domv, value vcpuv, value cpumapv)
633 CAMLparam3 (domv, vcpuv, cpumapv);
634 virDomainPtr dom = Domain_val (domv);
635 virConnectPtr conn = Connect_domv (domv);
636 int maplen = caml_string_length (cpumapv);
637 unsigned char *cpumap = (unsigned char *) String_val (cpumapv);
638 int vcpu = Int_val (vcpuv);
641 NONBLOCKING (r = virDomainPinVcpu (dom, vcpu, cpumap, maplen));
642 CHECK_ERROR (r == -1, conn, "virDomainPinVcpu");
644 CAMLreturn (Val_unit);
648 ocaml_libvirt_domain_get_vcpus (value domv, value maxinfov, value maplenv)
650 CAMLparam3 (domv, maxinfov, maplenv);
651 CAMLlocal5 (rv, infov, strv, v, v2);
652 virDomainPtr dom = Domain_val (domv);
653 virConnectPtr conn = Connect_domv (domv);
654 int maxinfo = Int_val (maxinfov);
655 int maplen = Int_val (maplenv);
656 virVcpuInfo info[maxinfo];
657 unsigned char cpumaps[maxinfo * maplen];
660 memset (info, 0, sizeof (virVcpuInfo) * maxinfo);
661 memset (cpumaps, 0, maxinfo * maplen);
663 NONBLOCKING (r = virDomainGetVcpus (dom, info, maxinfo, cpumaps, maplen));
664 CHECK_ERROR (r == -1, conn, "virDomainPinVcpu");
666 /* Copy the virVcpuInfo structures. */
667 infov = caml_alloc (maxinfo, 0);
668 for (i = 0; i < maxinfo; ++i) {
669 v2 = caml_alloc (4, 0); Store_field (infov, i, v2);
670 Store_field (v2, 0, Val_int (info[i].number));
671 Store_field (v2, 1, Val_int (info[i].state));
672 v = caml_copy_int64 (info[i].cpuTime); Store_field (v2, 2, v);
673 Store_field (v2, 3, Val_int (info[i].cpu));
676 /* Copy the bitmap. */
677 strv = caml_alloc_string (maxinfo * maplen);
678 memcpy (String_val (strv), cpumaps, maxinfo * maplen);
680 /* Allocate the tuple and return it. */
681 rv = caml_alloc_tuple (3);
682 Store_field (rv, 0, Val_int (r)); /* number of CPUs. */
683 Store_field (rv, 1, infov);
684 Store_field (rv, 2, strv);
690 ocaml_libvirt_domain_get_max_vcpus (value domv)
693 virDomainPtr dom = Domain_val (domv);
694 virConnectPtr conn = Connect_domv (domv);
697 NONBLOCKING (r = virDomainGetMaxVcpus (dom));
698 CHECK_ERROR (r == -1, conn, "virDomainGetMaxVcpus");
700 CAMLreturn (Val_int (r));
704 ocaml_libvirt_domain_attach_device (value domv, value xmlv)
706 CAMLparam2 (domv, xmlv);
707 virDomainPtr dom = Domain_val (domv);
708 virConnectPtr conn = Connect_domv (domv);
709 char *xml = String_val (xmlv);
712 NONBLOCKING (r = virDomainAttachDevice (dom, xml));
713 CHECK_ERROR (r == -1, conn, "virDomainAttachDevice");
715 CAMLreturn (Val_unit);
719 ocaml_libvirt_domain_detach_device (value domv, value xmlv)
721 CAMLparam2 (domv, xmlv);
722 virDomainPtr dom = Domain_val (domv);
723 virConnectPtr conn = Connect_domv (domv);
724 char *xml = String_val (xmlv);
727 NONBLOCKING (r = virDomainDetachDevice (dom, xml));
728 CHECK_ERROR (r == -1, conn, "virDomainDetachDevice");
730 CAMLreturn (Val_unit);
734 ocaml_libvirt_domain_migrate_native (value domv, value dconnv, value flagsv, value optdnamev, value opturiv, value optbandwidthv, value unitv)
736 #ifdef HAVE_VIRDOMAINMIGRATE
737 CAMLparam5 (domv, dconnv, flagsv, optdnamev, opturiv);
738 CAMLxparam2 (optbandwidthv, unitv);
739 CAMLlocal2 (flagv, rv);
740 virDomainPtr dom = Domain_val (domv);
741 virConnectPtr conn = Connect_domv (domv);
742 virConnectPtr dconn = Connect_val (dconnv);
744 const char *dname = Optstring_val (optdnamev);
745 const char *uri = Optstring_val (opturiv);
746 unsigned long bandwidth;
749 /* Iterate over the list of flags. */
750 for (; flagsv != Val_int (0); flagsv = Field (flagsv, 1))
752 flagv = Field (flagsv, 0);
753 if (flagv == Int_val(0))
754 flags |= VIR_MIGRATE_LIVE;
757 if (optbandwidthv == Val_int (0)) /* None */
759 else /* Some bandwidth */
760 bandwidth = Int_val (Field (optbandwidthv, 0));
762 WEAK_SYMBOL_CHECK (virDomainMigrate);
763 NONBLOCKING (r = virDomainMigrate (dom, dconn, flags, dname, uri, bandwidth));
764 CHECK_ERROR (!r, conn, "virDomainMigrate");
766 rv = Val_domain (r, dconnv);
770 #else /* virDomainMigrate not supported */
771 not_supported ("virDomainMigrate");
776 ocaml_libvirt_domain_migrate_bytecode (value *argv, int argn)
778 return ocaml_libvirt_domain_migrate_native (argv[0], argv[1], argv[2],
779 argv[3], argv[4], argv[5],
784 ocaml_libvirt_domain_block_stats (value domv, value pathv)
786 #if HAVE_VIRDOMAINBLOCKSTATS
787 CAMLparam2 (domv, pathv);
789 virDomainPtr dom = Domain_val (domv);
790 virConnectPtr conn = Connect_domv (domv);
791 char *path = String_val (pathv);
792 struct _virDomainBlockStats stats;
795 WEAK_SYMBOL_CHECK (virDomainBlockStats);
796 NONBLOCKING (r = virDomainBlockStats (dom, path, &stats, sizeof stats));
797 CHECK_ERROR (r == -1, conn, "virDomainBlockStats");
799 rv = caml_alloc (5, 0);
800 v = caml_copy_int64 (stats.rd_req); Store_field (rv, 0, v);
801 v = caml_copy_int64 (stats.rd_bytes); Store_field (rv, 1, v);
802 v = caml_copy_int64 (stats.wr_req); Store_field (rv, 2, v);
803 v = caml_copy_int64 (stats.wr_bytes); Store_field (rv, 3, v);
804 v = caml_copy_int64 (stats.errs); Store_field (rv, 4, v);
808 not_supported ("virDomainBlockStats");
813 ocaml_libvirt_domain_interface_stats (value domv, value pathv)
815 #if HAVE_VIRDOMAININTERFACESTATS
816 CAMLparam2 (domv, pathv);
818 virDomainPtr dom = Domain_val (domv);
819 virConnectPtr conn = Connect_domv (domv);
820 char *path = String_val (pathv);
821 struct _virDomainInterfaceStats stats;
824 WEAK_SYMBOL_CHECK (virDomainInterfaceStats);
825 NONBLOCKING (r = virDomainInterfaceStats (dom, path, &stats, sizeof stats));
826 CHECK_ERROR (r == -1, conn, "virDomainInterfaceStats");
828 rv = caml_alloc (8, 0);
829 v = caml_copy_int64 (stats.rx_bytes); Store_field (rv, 0, v);
830 v = caml_copy_int64 (stats.rx_packets); Store_field (rv, 1, v);
831 v = caml_copy_int64 (stats.rx_errs); Store_field (rv, 2, v);
832 v = caml_copy_int64 (stats.rx_drop); Store_field (rv, 3, v);
833 v = caml_copy_int64 (stats.tx_bytes); Store_field (rv, 4, v);
834 v = caml_copy_int64 (stats.tx_packets); Store_field (rv, 5, v);
835 v = caml_copy_int64 (stats.tx_errs); Store_field (rv, 6, v);
836 v = caml_copy_int64 (stats.tx_drop); Store_field (rv, 7, v);
840 not_supported ("virDomainInterfaceStats");
845 ocaml_libvirt_network_lookup_by_uuid (value connv, value uuidv)
847 CAMLparam2 (connv, uuidv);
849 virConnectPtr conn = Connect_val (connv);
850 char *uuid = String_val (uuidv);
853 NONBLOCKING (r = virNetworkLookupByUUID (conn, (unsigned char *) uuid));
854 CHECK_ERROR (!r, conn, "virNetworkLookupByUUID");
856 rv = Val_network (r, connv);
861 ocaml_libvirt_network_create_xml (value connv, value xmlv)
863 CAMLparam2 (connv, xmlv);
865 virConnectPtr conn = Connect_val (connv);
866 char *xml = String_val (xmlv);
869 NONBLOCKING (r = virNetworkCreateXML (conn, xml));
870 CHECK_ERROR (!r, conn, "virNetworkCreateXML");
872 rv = Val_network (r, connv);
877 ocaml_libvirt_network_define_xml (value connv, value xmlv)
879 CAMLparam2 (connv, xmlv);
881 virConnectPtr conn = Connect_val (connv);
882 char *xml = String_val (xmlv);
885 NONBLOCKING (r = virNetworkDefineXML (conn, xml));
886 CHECK_ERROR (!r, conn, "virNetworkDefineXML");
888 rv = Val_network (r, connv);
893 ocaml_libvirt_network_destroy (value netv)
896 virNetworkPtr net = Network_val (netv);
897 virConnectPtr conn = Connect_netv (netv);
900 NONBLOCKING (r = virNetworkDestroy (net));
901 CHECK_ERROR (r == -1, conn, "virNetworkDestroy");
903 /* So that we don't double-free in the finalizer: */
904 Network_val (netv) = NULL;
906 CAMLreturn (Val_unit);
910 ocaml_libvirt_network_free (value netv)
913 virNetworkPtr net = Network_val (netv);
914 virConnectPtr conn = Connect_netv (netv);
917 NONBLOCKING (r = virNetworkFree (net));
918 CHECK_ERROR (r == -1, conn, "virNetworkFree");
920 /* So that we don't double-free in the finalizer: */
921 Network_val (netv) = NULL;
923 CAMLreturn (Val_unit);
926 /*----------------------------------------------------------------------*/
929 ocaml_libvirt_virterror_get_last_error (value unitv)
933 virErrorPtr err = virGetLastError ();
935 rv = Val_opt (err, (Val_ptr_t) Val_virterror);
941 ocaml_libvirt_virterror_get_last_conn_error (value connv)
945 virConnectPtr conn = Connect_val (connv);
947 rv = Val_opt (conn, (Val_ptr_t) Val_connect);
953 ocaml_libvirt_virterror_reset_last_error (value unitv)
956 virResetLastError ();
957 CAMLreturn (Val_unit);
961 ocaml_libvirt_virterror_reset_last_conn_error (value connv)
964 virConnectPtr conn = Connect_val (connv);
965 virConnResetLastError (conn);
966 CAMLreturn (Val_unit);
969 /*----------------------------------------------------------------------*/
971 /* Initialise the library. */
973 ocaml_libvirt_init (value unit)
979 r = virInitialize ();
980 CHECK_ERROR (r == -1, NULL, "virInitialize");
982 CAMLreturn (Val_unit);