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_uuid (value domv)
378 virDomainPtr dom = Domain_val (domv);
379 virConnectPtr conn = Connect_domv (domv);
380 unsigned char uuid[VIR_UUID_BUFLEN];
383 NONBLOCKING (r = virDomainGetUUID (dom, uuid));
384 CHECK_ERROR (r == -1, conn, "virDomainGetUUID");
386 rv = caml_copy_string ((char *) uuid);
391 ocaml_libvirt_domain_get_uuid_string (value domv)
395 virDomainPtr dom = Domain_val (domv);
396 virConnectPtr conn = Connect_domv (domv);
397 char uuid[VIR_UUID_STRING_BUFLEN];
400 NONBLOCKING (r = virDomainGetUUIDString (dom, uuid));
401 CHECK_ERROR (r == -1, conn, "virDomainGetUUIDString");
403 rv = caml_copy_string (uuid);
408 ocaml_libvirt_domain_get_id (value domv)
411 virDomainPtr dom = Domain_val (domv);
412 virConnectPtr conn = Connect_domv (domv);
415 NONBLOCKING (r = virDomainGetID (dom));
416 /* There's a bug in libvirt which means that if you try to get
417 * the ID of a defined-but-not-running domain, it returns -1,
418 * and there's no way to distinguish that from an error.
420 CHECK_ERROR (r == (unsigned int) -1, conn, "virDomainGetID");
422 CAMLreturn (Val_int ((int) r));
426 ocaml_libvirt_domain_get_max_memory (value domv)
430 virDomainPtr dom = Domain_val (domv);
431 virConnectPtr conn = Connect_domv (domv);
434 NONBLOCKING (r = virDomainGetMaxMemory (dom));
435 CHECK_ERROR (r == 0 /* [sic] */, conn, "virDomainGetMaxMemory");
437 rv = caml_copy_int64 (r);
442 ocaml_libvirt_domain_set_max_memory (value domv, value memv)
444 CAMLparam2 (domv, memv);
445 virDomainPtr dom = Domain_val (domv);
446 virConnectPtr conn = Connect_domv (domv);
447 unsigned long mem = Int64_val (memv);
450 NONBLOCKING (r = virDomainSetMaxMemory (dom, mem));
451 CHECK_ERROR (r == -1, conn, "virDomainSetMaxMemory");
453 CAMLreturn (Val_unit);
457 ocaml_libvirt_domain_set_memory (value domv, value memv)
459 CAMLparam2 (domv, memv);
460 virDomainPtr dom = Domain_val (domv);
461 virConnectPtr conn = Connect_domv (domv);
462 unsigned long mem = Int64_val (memv);
465 NONBLOCKING (r = virDomainSetMemory (dom, mem));
466 CHECK_ERROR (r == -1, conn, "virDomainSetMemory");
468 CAMLreturn (Val_unit);
472 ocaml_libvirt_domain_get_info (value domv)
476 virDomainPtr dom = Domain_val (domv);
477 virConnectPtr conn = Connect_domv (domv);
481 NONBLOCKING (r = virDomainGetInfo (dom, &info));
482 CHECK_ERROR (r == -1, conn, "virDomainGetInfo");
484 rv = caml_alloc (5, 0);
485 Store_field (rv, 0, Val_int (info.state)); // These flags are compatible.
486 v = caml_copy_int64 (info.maxMem); Store_field (rv, 1, v);
487 v = caml_copy_int64 (info.memory); Store_field (rv, 2, v);
488 Store_field (rv, 3, Val_int (info.nrVirtCpu));
489 v = caml_copy_int64 (info.cpuTime); Store_field (rv, 4, v);
495 ocaml_libvirt_domain_get_scheduler_type (value domv)
497 #ifdef HAVE_VIRDOMAINGETSCHEDULERTYPE
499 CAMLlocal2 (rv, strv);
500 virDomainPtr dom = Domain_val (domv);
501 virConnectPtr conn = Connect_domv (domv);
505 WEAK_SYMBOL_CHECK (virDomainGetSchedulerType);
506 NONBLOCKING (r = virDomainGetSchedulerType (dom, &nparams));
507 CHECK_ERROR (!r, conn, "virDomainGetSchedulerType");
509 rv = caml_alloc_tuple (2);
510 strv = caml_copy_string (r); Store_field (rv, 0, strv);
512 Store_field (rv, 1, nparams);
515 not_supported ("virDomainGetSchedulerType");
520 ocaml_libvirt_domain_get_scheduler_parameters (value domv, value nparamsv)
522 #ifdef HAVE_VIRDOMAINGETSCHEDULERPARAMETERS
523 CAMLparam2 (domv, nparamsv);
524 CAMLlocal4 (rv, v, v2, v3);
525 virDomainPtr dom = Domain_val (domv);
526 virConnectPtr conn = Connect_domv (domv);
527 int nparams = Int_val (nparamsv);
528 virSchedParameter params[nparams];
531 WEAK_SYMBOL_CHECK (virDomainGetSchedulerParameters);
532 NONBLOCKING (r = virDomainGetSchedulerParameters (dom, params, &nparams));
533 CHECK_ERROR (r == -1, conn, "virDomainGetSchedulerParameters");
535 rv = caml_alloc (nparams, 0);
536 for (i = 0; i < nparams; ++i) {
537 v = caml_alloc_tuple (2); Store_field (rv, i, v);
538 v2 = caml_copy_string (params[i].field); Store_field (v, 0, v2);
539 switch (params[i].type) {
540 case VIR_DOMAIN_SCHED_FIELD_INT:
541 v2 = caml_alloc (1, 0);
542 v3 = caml_copy_int32 (params[i].value.i); Store_field (v2, 0, v3);
544 case VIR_DOMAIN_SCHED_FIELD_UINT:
545 v2 = caml_alloc (1, 1);
546 v3 = caml_copy_int32 (params[i].value.ui); Store_field (v2, 0, v3);
548 case VIR_DOMAIN_SCHED_FIELD_LLONG:
549 v2 = caml_alloc (1, 2);
550 v3 = caml_copy_int64 (params[i].value.l); Store_field (v2, 0, v3);
552 case VIR_DOMAIN_SCHED_FIELD_ULLONG:
553 v2 = caml_alloc (1, 3);
554 v3 = caml_copy_int64 (params[i].value.ul); Store_field (v2, 0, v3);
556 case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
557 v2 = caml_alloc (1, 4);
558 v3 = caml_copy_double (params[i].value.d); Store_field (v2, 0, v3);
560 case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
561 v2 = caml_alloc (1, 5);
562 Store_field (v2, 0, Val_int (params[i].value.b));
565 caml_failwith ((char *)__FUNCTION__);
567 Store_field (v, 1, v2);
571 not_supported ("virDomainGetSchedulerParameters");
576 ocaml_libvirt_domain_set_scheduler_parameters (value domv, value paramsv)
578 #ifdef HAVE_VIRDOMAINSETSCHEDULERPARAMETERS
579 CAMLparam2 (domv, paramsv);
581 virDomainPtr dom = Domain_val (domv);
582 virConnectPtr conn = Connect_domv (domv);
583 int nparams = Wosize_val (paramsv);
584 virSchedParameter params[nparams];
588 for (i = 0; i < nparams; ++i) {
589 v = Field (paramsv, i); /* Points to the two-element tuple. */
590 name = String_val (Field (v, 0));
591 strncpy (params[i].field, name, VIR_DOMAIN_SCHED_FIELD_LENGTH);
592 params[i].field[VIR_DOMAIN_SCHED_FIELD_LENGTH-1] = '\0';
593 v = Field (v, 1); /* Points to the sched_param_value block. */
594 switch (Tag_val (v)) {
596 params[i].type = VIR_DOMAIN_SCHED_FIELD_INT;
597 params[i].value.i = Int32_val (Field (v, 0));
600 params[i].type = VIR_DOMAIN_SCHED_FIELD_UINT;
601 params[i].value.ui = Int32_val (Field (v, 0));
604 params[i].type = VIR_DOMAIN_SCHED_FIELD_LLONG;
605 params[i].value.l = Int64_val (Field (v, 0));
608 params[i].type = VIR_DOMAIN_SCHED_FIELD_ULLONG;
609 params[i].value.ul = Int64_val (Field (v, 0));
612 params[i].type = VIR_DOMAIN_SCHED_FIELD_DOUBLE;
613 params[i].value.d = Double_val (Field (v, 0));
616 params[i].type = VIR_DOMAIN_SCHED_FIELD_BOOLEAN;
617 params[i].value.b = Int_val (Field (v, 0));
620 caml_failwith ((char *)__FUNCTION__);
624 WEAK_SYMBOL_CHECK (virDomainSetSchedulerParameters);
625 NONBLOCKING (r = virDomainSetSchedulerParameters (dom, params, nparams));
626 CHECK_ERROR (r == -1, conn, "virDomainSetSchedulerParameters");
628 CAMLreturn (Val_unit);
630 not_supported ("virDomainSetSchedulerParameters");
635 ocaml_libvirt_domain_define_xml (value connv, value xmlv)
637 CAMLparam2 (connv, xmlv);
639 virConnectPtr conn = Connect_val (connv);
640 char *xml = String_val (xmlv);
643 NONBLOCKING (r = virDomainDefineXML (conn, xml));
644 CHECK_ERROR (!r, conn, "virDomainDefineXML");
646 rv = Val_domain (r, connv);
651 ocaml_libvirt_domain_set_vcpus (value domv, value nvcpusv)
653 CAMLparam2 (domv, nvcpusv);
654 virDomainPtr dom = Domain_val (domv);
655 virConnectPtr conn = Connect_domv (domv);
656 int r, nvcpus = Int_val (nvcpusv);
658 NONBLOCKING (r = virDomainSetVcpus (dom, nvcpus));
659 CHECK_ERROR (r == -1, conn, "virDomainSetVcpus");
661 CAMLreturn (Val_unit);
665 ocaml_libvirt_domain_pin_vcpu (value domv, value vcpuv, value cpumapv)
667 CAMLparam3 (domv, vcpuv, cpumapv);
668 virDomainPtr dom = Domain_val (domv);
669 virConnectPtr conn = Connect_domv (domv);
670 int maplen = caml_string_length (cpumapv);
671 unsigned char *cpumap = (unsigned char *) String_val (cpumapv);
672 int vcpu = Int_val (vcpuv);
675 NONBLOCKING (r = virDomainPinVcpu (dom, vcpu, cpumap, maplen));
676 CHECK_ERROR (r == -1, conn, "virDomainPinVcpu");
678 CAMLreturn (Val_unit);
682 ocaml_libvirt_domain_get_vcpus (value domv, value maxinfov, value maplenv)
684 CAMLparam3 (domv, maxinfov, maplenv);
685 CAMLlocal5 (rv, infov, strv, v, v2);
686 virDomainPtr dom = Domain_val (domv);
687 virConnectPtr conn = Connect_domv (domv);
688 int maxinfo = Int_val (maxinfov);
689 int maplen = Int_val (maplenv);
690 virVcpuInfo info[maxinfo];
691 unsigned char cpumaps[maxinfo * maplen];
694 memset (info, 0, sizeof (virVcpuInfo) * maxinfo);
695 memset (cpumaps, 0, maxinfo * maplen);
697 NONBLOCKING (r = virDomainGetVcpus (dom, info, maxinfo, cpumaps, maplen));
698 CHECK_ERROR (r == -1, conn, "virDomainPinVcpu");
700 /* Copy the virVcpuInfo structures. */
701 infov = caml_alloc (maxinfo, 0);
702 for (i = 0; i < maxinfo; ++i) {
703 v2 = caml_alloc (4, 0); Store_field (infov, i, v2);
704 Store_field (v2, 0, Val_int (info[i].number));
705 Store_field (v2, 1, Val_int (info[i].state));
706 v = caml_copy_int64 (info[i].cpuTime); Store_field (v2, 2, v);
707 Store_field (v2, 3, Val_int (info[i].cpu));
710 /* Copy the bitmap. */
711 strv = caml_alloc_string (maxinfo * maplen);
712 memcpy (String_val (strv), cpumaps, maxinfo * maplen);
714 /* Allocate the tuple and return it. */
715 rv = caml_alloc_tuple (3);
716 Store_field (rv, 0, Val_int (r)); /* number of CPUs. */
717 Store_field (rv, 1, infov);
718 Store_field (rv, 2, strv);
724 ocaml_libvirt_domain_get_max_vcpus (value domv)
727 virDomainPtr dom = Domain_val (domv);
728 virConnectPtr conn = Connect_domv (domv);
731 NONBLOCKING (r = virDomainGetMaxVcpus (dom));
732 CHECK_ERROR (r == -1, conn, "virDomainGetMaxVcpus");
734 CAMLreturn (Val_int (r));
738 ocaml_libvirt_domain_attach_device (value domv, value xmlv)
740 CAMLparam2 (domv, xmlv);
741 virDomainPtr dom = Domain_val (domv);
742 virConnectPtr conn = Connect_domv (domv);
743 char *xml = String_val (xmlv);
746 NONBLOCKING (r = virDomainAttachDevice (dom, xml));
747 CHECK_ERROR (r == -1, conn, "virDomainAttachDevice");
749 CAMLreturn (Val_unit);
753 ocaml_libvirt_domain_detach_device (value domv, value xmlv)
755 CAMLparam2 (domv, xmlv);
756 virDomainPtr dom = Domain_val (domv);
757 virConnectPtr conn = Connect_domv (domv);
758 char *xml = String_val (xmlv);
761 NONBLOCKING (r = virDomainDetachDevice (dom, xml));
762 CHECK_ERROR (r == -1, conn, "virDomainDetachDevice");
764 CAMLreturn (Val_unit);
768 ocaml_libvirt_domain_migrate_native (value domv, value dconnv, value flagsv, value optdnamev, value opturiv, value optbandwidthv, value unitv)
770 #ifdef HAVE_VIRDOMAINMIGRATE
771 CAMLparam5 (domv, dconnv, flagsv, optdnamev, opturiv);
772 CAMLxparam2 (optbandwidthv, unitv);
773 CAMLlocal2 (flagv, rv);
774 virDomainPtr dom = Domain_val (domv);
775 virConnectPtr conn = Connect_domv (domv);
776 virConnectPtr dconn = Connect_val (dconnv);
778 const char *dname = Optstring_val (optdnamev);
779 const char *uri = Optstring_val (opturiv);
780 unsigned long bandwidth;
783 /* Iterate over the list of flags. */
784 for (; flagsv != Val_int (0); flagsv = Field (flagsv, 1))
786 flagv = Field (flagsv, 0);
787 if (flagv == Int_val(0))
788 flags |= VIR_MIGRATE_LIVE;
791 if (optbandwidthv == Val_int (0)) /* None */
793 else /* Some bandwidth */
794 bandwidth = Int_val (Field (optbandwidthv, 0));
796 WEAK_SYMBOL_CHECK (virDomainMigrate);
797 NONBLOCKING (r = virDomainMigrate (dom, dconn, flags, dname, uri, bandwidth));
798 CHECK_ERROR (!r, conn, "virDomainMigrate");
800 rv = Val_domain (r, dconnv);
804 #else /* virDomainMigrate not supported */
805 not_supported ("virDomainMigrate");
810 ocaml_libvirt_domain_migrate_bytecode (value *argv, int argn)
812 return ocaml_libvirt_domain_migrate_native (argv[0], argv[1], argv[2],
813 argv[3], argv[4], argv[5],
818 ocaml_libvirt_domain_block_stats (value domv, value pathv)
820 #if HAVE_VIRDOMAINBLOCKSTATS
821 CAMLparam2 (domv, pathv);
823 virDomainPtr dom = Domain_val (domv);
824 virConnectPtr conn = Connect_domv (domv);
825 char *path = String_val (pathv);
826 struct _virDomainBlockStats stats;
829 WEAK_SYMBOL_CHECK (virDomainBlockStats);
830 NONBLOCKING (r = virDomainBlockStats (dom, path, &stats, sizeof stats));
831 CHECK_ERROR (r == -1, conn, "virDomainBlockStats");
833 rv = caml_alloc (5, 0);
834 v = caml_copy_int64 (stats.rd_req); Store_field (rv, 0, v);
835 v = caml_copy_int64 (stats.rd_bytes); Store_field (rv, 1, v);
836 v = caml_copy_int64 (stats.wr_req); Store_field (rv, 2, v);
837 v = caml_copy_int64 (stats.wr_bytes); Store_field (rv, 3, v);
838 v = caml_copy_int64 (stats.errs); Store_field (rv, 4, v);
842 not_supported ("virDomainBlockStats");
847 ocaml_libvirt_domain_interface_stats (value domv, value pathv)
849 #if HAVE_VIRDOMAININTERFACESTATS
850 CAMLparam2 (domv, pathv);
852 virDomainPtr dom = Domain_val (domv);
853 virConnectPtr conn = Connect_domv (domv);
854 char *path = String_val (pathv);
855 struct _virDomainInterfaceStats stats;
858 WEAK_SYMBOL_CHECK (virDomainInterfaceStats);
859 NONBLOCKING (r = virDomainInterfaceStats (dom, path, &stats, sizeof stats));
860 CHECK_ERROR (r == -1, conn, "virDomainInterfaceStats");
862 rv = caml_alloc (8, 0);
863 v = caml_copy_int64 (stats.rx_bytes); Store_field (rv, 0, v);
864 v = caml_copy_int64 (stats.rx_packets); Store_field (rv, 1, v);
865 v = caml_copy_int64 (stats.rx_errs); Store_field (rv, 2, v);
866 v = caml_copy_int64 (stats.rx_drop); Store_field (rv, 3, v);
867 v = caml_copy_int64 (stats.tx_bytes); Store_field (rv, 4, v);
868 v = caml_copy_int64 (stats.tx_packets); Store_field (rv, 5, v);
869 v = caml_copy_int64 (stats.tx_errs); Store_field (rv, 6, v);
870 v = caml_copy_int64 (stats.tx_drop); Store_field (rv, 7, v);
874 not_supported ("virDomainInterfaceStats");
879 ocaml_libvirt_network_lookup_by_uuid (value connv, value uuidv)
881 CAMLparam2 (connv, uuidv);
883 virConnectPtr conn = Connect_val (connv);
884 char *uuid = String_val (uuidv);
887 NONBLOCKING (r = virNetworkLookupByUUID (conn, (unsigned char *) uuid));
888 CHECK_ERROR (!r, conn, "virNetworkLookupByUUID");
890 rv = Val_network (r, connv);
895 ocaml_libvirt_network_create_xml (value connv, value xmlv)
897 CAMLparam2 (connv, xmlv);
899 virConnectPtr conn = Connect_val (connv);
900 char *xml = String_val (xmlv);
903 NONBLOCKING (r = virNetworkCreateXML (conn, xml));
904 CHECK_ERROR (!r, conn, "virNetworkCreateXML");
906 rv = Val_network (r, connv);
911 ocaml_libvirt_network_define_xml (value connv, value xmlv)
913 CAMLparam2 (connv, xmlv);
915 virConnectPtr conn = Connect_val (connv);
916 char *xml = String_val (xmlv);
919 NONBLOCKING (r = virNetworkDefineXML (conn, xml));
920 CHECK_ERROR (!r, conn, "virNetworkDefineXML");
922 rv = Val_network (r, connv);
927 ocaml_libvirt_network_destroy (value netv)
930 virNetworkPtr net = Network_val (netv);
931 virConnectPtr conn = Connect_netv (netv);
934 NONBLOCKING (r = virNetworkDestroy (net));
935 CHECK_ERROR (r == -1, conn, "virNetworkDestroy");
937 /* So that we don't double-free in the finalizer: */
938 Network_val (netv) = NULL;
940 CAMLreturn (Val_unit);
944 ocaml_libvirt_network_free (value netv)
947 virNetworkPtr net = Network_val (netv);
948 virConnectPtr conn = Connect_netv (netv);
951 NONBLOCKING (r = virNetworkFree (net));
952 CHECK_ERROR (r == -1, conn, "virNetworkFree");
954 /* So that we don't double-free in the finalizer: */
955 Network_val (netv) = NULL;
957 CAMLreturn (Val_unit);
961 ocaml_libvirt_network_get_uuid (value netv)
965 virNetworkPtr net = Network_val (netv);
966 virConnectPtr conn = Connect_netv (netv);
967 unsigned char uuid[VIR_UUID_BUFLEN];
970 NONBLOCKING (r = virNetworkGetUUID (net, uuid));
971 CHECK_ERROR (r == -1, conn, "virNetworkGetUUID");
973 rv = caml_copy_string ((char *) uuid);
978 ocaml_libvirt_network_get_uuid_string (value netv)
982 virNetworkPtr net = Network_val (netv);
983 virConnectPtr conn = Connect_netv (netv);
984 char uuid[VIR_UUID_STRING_BUFLEN];
987 NONBLOCKING (r = virNetworkGetUUIDString (net, uuid));
988 CHECK_ERROR (r == -1, conn, "virNetworkGetUUIDString");
990 rv = caml_copy_string (uuid);
994 /*----------------------------------------------------------------------*/
997 ocaml_libvirt_virterror_get_last_error (value unitv)
1001 virErrorPtr err = virGetLastError ();
1003 rv = Val_opt (err, (Val_ptr_t) Val_virterror);
1009 ocaml_libvirt_virterror_get_last_conn_error (value connv)
1013 virConnectPtr conn = Connect_val (connv);
1015 rv = Val_opt (conn, (Val_ptr_t) Val_connect);
1021 ocaml_libvirt_virterror_reset_last_error (value unitv)
1024 virResetLastError ();
1025 CAMLreturn (Val_unit);
1029 ocaml_libvirt_virterror_reset_last_conn_error (value connv)
1032 virConnectPtr conn = Connect_val (connv);
1033 virConnResetLastError (conn);
1034 CAMLreturn (Val_unit);
1037 /*----------------------------------------------------------------------*/
1039 /* Initialise the library. */
1041 ocaml_libvirt_init (value unit)
1047 r = virInitialize ();
1048 CHECK_ERROR (r == -1, NULL, "virInitialize");
1050 CAMLreturn (Val_unit);