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 /*----------------------------------------------------------------------*/
25 ocaml_libvirt_get_version (value driverv, value unit)
27 CAMLparam2 (driverv, unit);
29 const char *driver = Optstring_val (driverv);
30 unsigned long libVer, typeVer = 0, *typeVer_ptr;
33 typeVer_ptr = driver ? &typeVer : NULL;
34 NONBLOCKING (r = virGetVersion (&libVer, driver, typeVer_ptr));
35 CHECK_ERROR (r == -1, NULL, "virGetVersion");
37 rv = caml_alloc_tuple (2);
38 Store_field (rv, 0, Val_int (libVer));
39 Store_field (rv, 1, Val_int (typeVer));
43 /*----------------------------------------------------------------------*/
45 /* Connection object. */
48 ocaml_libvirt_connect_open (value namev, value unit)
50 CAMLparam2 (namev, unit);
52 const char *name = Optstring_val (namev);
55 NONBLOCKING (conn = virConnectOpen (name));
56 CHECK_ERROR (!conn, NULL, "virConnectOpen");
58 rv = Val_connect (conn);
64 ocaml_libvirt_connect_open_readonly (value namev, value unit)
66 CAMLparam2 (namev, unit);
68 const char *name = Optstring_val (namev);
71 NONBLOCKING (conn = virConnectOpenReadOnly (name));
72 CHECK_ERROR (!conn, NULL, "virConnectOpen");
74 rv = Val_connect (conn);
80 ocaml_libvirt_connect_get_version (value connv)
83 virConnectPtr conn = Connect_val (connv);
87 NONBLOCKING (r = virConnectGetVersion (conn, &hvVer));
88 CHECK_ERROR (r == -1, conn, "virConnectGetVersion");
90 CAMLreturn (Val_int (hvVer));
94 ocaml_libvirt_connect_get_max_vcpus (value connv, value typev)
96 CAMLparam2 (connv, typev);
97 virConnectPtr conn = Connect_val (connv);
98 const char *type = Optstring_val (typev);
101 NONBLOCKING (r = virConnectGetMaxVcpus (conn, type));
102 CHECK_ERROR (r == -1, conn, "virConnectGetMaxVcpus");
104 CAMLreturn (Val_int (r));
108 ocaml_libvirt_connect_get_node_info (value connv)
112 virConnectPtr conn = Connect_val (connv);
116 NONBLOCKING (r = virNodeGetInfo (conn, &info));
117 CHECK_ERROR (r == -1, conn, "virNodeGetInfo");
119 rv = caml_alloc (8, 0);
120 v = caml_copy_string (info.model); Store_field (rv, 0, v);
121 v = caml_copy_int64 (info.memory); Store_field (rv, 1, v);
122 Store_field (rv, 2, Val_int (info.cpus));
123 Store_field (rv, 3, Val_int (info.mhz));
124 Store_field (rv, 4, Val_int (info.nodes));
125 Store_field (rv, 5, Val_int (info.sockets));
126 Store_field (rv, 6, Val_int (info.cores));
127 Store_field (rv, 7, Val_int (info.threads));
132 #ifdef HAVE_WEAK_SYMBOLS
133 #ifdef HAVE_VIRNODEGETFREEMEMORY
134 extern unsigned long long virNodeGetFreeMemory (virConnectPtr conn)
135 __attribute__((weak));
140 ocaml_libvirt_connect_node_get_free_memory (value connv)
142 #ifdef HAVE_VIRNODEGETFREEMEMORY
145 virConnectPtr conn = Connect_val (connv);
146 unsigned long long r;
148 WEAK_SYMBOL_CHECK (virNodeGetFreeMemory);
149 NONBLOCKING (r = virNodeGetFreeMemory (conn));
150 CHECK_ERROR (r == 0, conn, "virNodeGetFreeMemory");
152 rv = caml_copy_int64 ((int64) r);
155 not_supported ("virNodeGetFreeMemory");
159 #ifdef HAVE_WEAK_SYMBOLS
160 #ifdef HAVE_VIRNODEGETCELLSFREEMEMORY
161 extern int virNodeGetCellsFreeMemory (virConnectPtr conn,
162 unsigned long long *freeMems,
163 int startCell, int maxCells)
164 __attribute__((weak));
169 ocaml_libvirt_connect_node_get_cells_free_memory (value connv,
170 value startv, value maxv)
172 #ifdef HAVE_VIRNODEGETCELLSFREEMEMORY
173 CAMLparam3 (connv, startv, maxv);
175 virConnectPtr conn = Connect_val (connv);
176 int start = Int_val (startv);
177 int max = Int_val (maxv);
179 unsigned long long freemems[max];
181 WEAK_SYMBOL_CHECK (virNodeGetCellsFreeMemory);
182 NONBLOCKING (r = virNodeGetCellsFreeMemory (conn, freemems, start, max));
183 CHECK_ERROR (r == -1, conn, "virNodeGetCellsFreeMemory");
185 rv = caml_alloc (r, 0);
186 for (i = 0; i < r; ++i) {
187 iv = caml_copy_int64 ((int64) freemems[i]);
188 Store_field (rv, i, iv);
193 not_supported ("virNodeGetCellsFreeMemory");
198 ocaml_libvirt_domain_get_id (value domv)
201 virDomainPtr dom = Domain_val (domv);
202 /*virConnectPtr conn = Connect_domv (domv);*/
205 NONBLOCKING (r = virDomainGetID (dom));
206 /* In theory this could return -1 on error, but in practice
207 * libvirt never does this unless you call it with a corrupted
208 * or NULL dom object. So ignore errors here.
211 CAMLreturn (Val_int ((int) r));
215 ocaml_libvirt_domain_get_max_memory (value domv)
219 virDomainPtr dom = Domain_val (domv);
220 virConnectPtr conn = Connect_domv (domv);
223 NONBLOCKING (r = virDomainGetMaxMemory (dom));
224 CHECK_ERROR (r == 0 /* [sic] */, conn, "virDomainGetMaxMemory");
226 rv = caml_copy_int64 (r);
231 ocaml_libvirt_domain_set_max_memory (value domv, value memv)
233 CAMLparam2 (domv, memv);
234 virDomainPtr dom = Domain_val (domv);
235 virConnectPtr conn = Connect_domv (domv);
236 unsigned long mem = Int64_val (memv);
239 NONBLOCKING (r = virDomainSetMaxMemory (dom, mem));
240 CHECK_ERROR (r == -1, conn, "virDomainSetMaxMemory");
242 CAMLreturn (Val_unit);
246 ocaml_libvirt_domain_set_memory (value domv, value memv)
248 CAMLparam2 (domv, memv);
249 virDomainPtr dom = Domain_val (domv);
250 virConnectPtr conn = Connect_domv (domv);
251 unsigned long mem = Int64_val (memv);
254 NONBLOCKING (r = virDomainSetMemory (dom, mem));
255 CHECK_ERROR (r == -1, conn, "virDomainSetMemory");
257 CAMLreturn (Val_unit);
261 ocaml_libvirt_domain_get_info (value domv)
265 virDomainPtr dom = Domain_val (domv);
266 virConnectPtr conn = Connect_domv (domv);
270 NONBLOCKING (r = virDomainGetInfo (dom, &info));
271 CHECK_ERROR (r == -1, conn, "virDomainGetInfo");
273 rv = caml_alloc (5, 0);
274 Store_field (rv, 0, Val_int (info.state)); // These flags are compatible.
275 v = caml_copy_int64 (info.maxMem); Store_field (rv, 1, v);
276 v = caml_copy_int64 (info.memory); Store_field (rv, 2, v);
277 Store_field (rv, 3, Val_int (info.nrVirtCpu));
278 v = caml_copy_int64 (info.cpuTime); Store_field (rv, 4, v);
283 #ifdef HAVE_WEAK_SYMBOLS
284 #ifdef HAVE_VIRDOMAINGETSCHEDULERTYPE
285 extern char *virDomainGetSchedulerType(virDomainPtr domain,
287 __attribute__((weak));
292 ocaml_libvirt_domain_get_scheduler_type (value domv)
294 #ifdef HAVE_VIRDOMAINGETSCHEDULERTYPE
296 CAMLlocal2 (rv, strv);
297 virDomainPtr dom = Domain_val (domv);
298 virConnectPtr conn = Connect_domv (domv);
302 WEAK_SYMBOL_CHECK (virDomainGetSchedulerType);
303 NONBLOCKING (r = virDomainGetSchedulerType (dom, &nparams));
304 CHECK_ERROR (!r, conn, "virDomainGetSchedulerType");
306 rv = caml_alloc_tuple (2);
307 strv = caml_copy_string (r); Store_field (rv, 0, strv);
309 Store_field (rv, 1, nparams);
312 not_supported ("virDomainGetSchedulerType");
316 #ifdef HAVE_WEAK_SYMBOLS
317 #ifdef HAVE_VIRDOMAINGETSCHEDULERPARAMETERS
318 extern int virDomainGetSchedulerParameters (virDomainPtr domain,
319 virSchedParameterPtr params,
321 __attribute__((weak));
326 ocaml_libvirt_domain_get_scheduler_parameters (value domv, value nparamsv)
328 #ifdef HAVE_VIRDOMAINGETSCHEDULERPARAMETERS
329 CAMLparam2 (domv, nparamsv);
330 CAMLlocal4 (rv, v, v2, v3);
331 virDomainPtr dom = Domain_val (domv);
332 virConnectPtr conn = Connect_domv (domv);
333 int nparams = Int_val (nparamsv);
334 virSchedParameter params[nparams];
337 WEAK_SYMBOL_CHECK (virDomainGetSchedulerParameters);
338 NONBLOCKING (r = virDomainGetSchedulerParameters (dom, params, &nparams));
339 CHECK_ERROR (r == -1, conn, "virDomainGetSchedulerParameters");
341 rv = caml_alloc (nparams, 0);
342 for (i = 0; i < nparams; ++i) {
343 v = caml_alloc_tuple (2); Store_field (rv, i, v);
344 v2 = caml_copy_string (params[i].field); Store_field (v, 0, v2);
345 switch (params[i].type) {
346 case VIR_DOMAIN_SCHED_FIELD_INT:
347 v2 = caml_alloc (1, 0);
348 v3 = caml_copy_int32 (params[i].value.i); Store_field (v2, 0, v3);
350 case VIR_DOMAIN_SCHED_FIELD_UINT:
351 v2 = caml_alloc (1, 1);
352 v3 = caml_copy_int32 (params[i].value.ui); Store_field (v2, 0, v3);
354 case VIR_DOMAIN_SCHED_FIELD_LLONG:
355 v2 = caml_alloc (1, 2);
356 v3 = caml_copy_int64 (params[i].value.l); Store_field (v2, 0, v3);
358 case VIR_DOMAIN_SCHED_FIELD_ULLONG:
359 v2 = caml_alloc (1, 3);
360 v3 = caml_copy_int64 (params[i].value.ul); Store_field (v2, 0, v3);
362 case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
363 v2 = caml_alloc (1, 4);
364 v3 = caml_copy_double (params[i].value.d); Store_field (v2, 0, v3);
366 case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
367 v2 = caml_alloc (1, 5);
368 Store_field (v2, 0, Val_int (params[i].value.b));
371 caml_failwith ((char *)__FUNCTION__);
373 Store_field (v, 1, v2);
377 not_supported ("virDomainGetSchedulerParameters");
381 #ifdef HAVE_WEAK_SYMBOLS
382 #ifdef HAVE_VIRDOMAINSETSCHEDULERPARAMETERS
383 extern int virDomainSetSchedulerParameters (virDomainPtr domain,
384 virSchedParameterPtr params,
386 __attribute__((weak));
391 ocaml_libvirt_domain_set_scheduler_parameters (value domv, value paramsv)
393 #ifdef HAVE_VIRDOMAINSETSCHEDULERPARAMETERS
394 CAMLparam2 (domv, paramsv);
396 virDomainPtr dom = Domain_val (domv);
397 virConnectPtr conn = Connect_domv (domv);
398 int nparams = Wosize_val (paramsv);
399 virSchedParameter params[nparams];
403 for (i = 0; i < nparams; ++i) {
404 v = Field (paramsv, i); /* Points to the two-element tuple. */
405 name = String_val (Field (v, 0));
406 strncpy (params[i].field, name, VIR_DOMAIN_SCHED_FIELD_LENGTH);
407 params[i].field[VIR_DOMAIN_SCHED_FIELD_LENGTH-1] = '\0';
408 v = Field (v, 1); /* Points to the sched_param_value block. */
409 switch (Tag_val (v)) {
411 params[i].type = VIR_DOMAIN_SCHED_FIELD_INT;
412 params[i].value.i = Int32_val (Field (v, 0));
415 params[i].type = VIR_DOMAIN_SCHED_FIELD_UINT;
416 params[i].value.ui = Int32_val (Field (v, 0));
419 params[i].type = VIR_DOMAIN_SCHED_FIELD_LLONG;
420 params[i].value.l = Int64_val (Field (v, 0));
423 params[i].type = VIR_DOMAIN_SCHED_FIELD_ULLONG;
424 params[i].value.ul = Int64_val (Field (v, 0));
427 params[i].type = VIR_DOMAIN_SCHED_FIELD_DOUBLE;
428 params[i].value.d = Double_val (Field (v, 0));
431 params[i].type = VIR_DOMAIN_SCHED_FIELD_BOOLEAN;
432 params[i].value.b = Int_val (Field (v, 0));
435 caml_failwith ((char *)__FUNCTION__);
439 WEAK_SYMBOL_CHECK (virDomainSetSchedulerParameters);
440 NONBLOCKING (r = virDomainSetSchedulerParameters (dom, params, nparams));
441 CHECK_ERROR (r == -1, conn, "virDomainSetSchedulerParameters");
443 CAMLreturn (Val_unit);
445 not_supported ("virDomainSetSchedulerParameters");
450 ocaml_libvirt_domain_set_vcpus (value domv, value nvcpusv)
452 CAMLparam2 (domv, nvcpusv);
453 virDomainPtr dom = Domain_val (domv);
454 virConnectPtr conn = Connect_domv (domv);
455 int r, nvcpus = Int_val (nvcpusv);
457 NONBLOCKING (r = virDomainSetVcpus (dom, nvcpus));
458 CHECK_ERROR (r == -1, conn, "virDomainSetVcpus");
460 CAMLreturn (Val_unit);
464 ocaml_libvirt_domain_pin_vcpu (value domv, value vcpuv, value cpumapv)
466 CAMLparam3 (domv, vcpuv, cpumapv);
467 virDomainPtr dom = Domain_val (domv);
468 virConnectPtr conn = Connect_domv (domv);
469 int maplen = caml_string_length (cpumapv);
470 unsigned char *cpumap = (unsigned char *) String_val (cpumapv);
471 int vcpu = Int_val (vcpuv);
474 NONBLOCKING (r = virDomainPinVcpu (dom, vcpu, cpumap, maplen));
475 CHECK_ERROR (r == -1, conn, "virDomainPinVcpu");
477 CAMLreturn (Val_unit);
481 ocaml_libvirt_domain_get_vcpus (value domv, value maxinfov, value maplenv)
483 CAMLparam3 (domv, maxinfov, maplenv);
484 CAMLlocal5 (rv, infov, strv, v, v2);
485 virDomainPtr dom = Domain_val (domv);
486 virConnectPtr conn = Connect_domv (domv);
487 int maxinfo = Int_val (maxinfov);
488 int maplen = Int_val (maplenv);
489 virVcpuInfo info[maxinfo];
490 unsigned char cpumaps[maxinfo * maplen];
493 memset (info, 0, sizeof (virVcpuInfo) * maxinfo);
494 memset (cpumaps, 0, maxinfo * maplen);
496 NONBLOCKING (r = virDomainGetVcpus (dom, info, maxinfo, cpumaps, maplen));
497 CHECK_ERROR (r == -1, conn, "virDomainPinVcpu");
499 /* Copy the virVcpuInfo structures. */
500 infov = caml_alloc (maxinfo, 0);
501 for (i = 0; i < maxinfo; ++i) {
502 v2 = caml_alloc (4, 0); Store_field (infov, i, v2);
503 Store_field (v2, 0, Val_int (info[i].number));
504 Store_field (v2, 1, Val_int (info[i].state));
505 v = caml_copy_int64 (info[i].cpuTime); Store_field (v2, 2, v);
506 Store_field (v2, 3, Val_int (info[i].cpu));
509 /* Copy the bitmap. */
510 strv = caml_alloc_string (maxinfo * maplen);
511 memcpy (String_val (strv), cpumaps, maxinfo * maplen);
513 /* Allocate the tuple and return it. */
514 rv = caml_alloc_tuple (3);
515 Store_field (rv, 0, Val_int (r)); /* number of CPUs. */
516 Store_field (rv, 1, infov);
517 Store_field (rv, 2, strv);
522 #ifdef HAVE_WEAK_SYMBOLS
523 #ifdef HAVE_VIRDOMAINGETCPUSTATS
524 extern int virDomainGetCPUStats (virDomainPtr domain,
525 virTypedParameterPtr params,
526 unsigned int nparams,
530 __attribute__((weak));
535 ocaml_libvirt_domain_get_cpu_stats (value domv, value nr_pcpusv)
537 #ifdef HAVE_VIRDOMAINGETCPUSTATS
538 CAMLparam2 (domv, nr_pcpusv);
539 CAMLlocal5 (cpustats, param_head, param_node, typed_param, typed_param_value);
541 virDomainPtr dom = Domain_val (domv);
542 virConnectPtr conn = Connect_domv (domv);
543 int nr_pcpus = Int_val (nr_pcpusv);
544 virTypedParameterPtr params;
545 int r, cpu, ncpus, nparams, i, j, pos;
547 /* get percpu information */
548 NONBLOCKING (nparams = virDomainGetCPUStats(dom, NULL, 0, 0, 1, 0));
549 CHECK_ERROR (nparams < 0, conn, "virDomainGetCPUStats");
551 if ((params = malloc(sizeof(*params) * nparams * 128)) == NULL)
552 caml_failwith ("virDomainGetCPUStats: malloc");
554 cpustats = caml_alloc (nr_pcpus, 0); /* cpustats: array of params(list of typed_param) */
556 while (cpu < nr_pcpus) {
557 ncpus = nr_pcpus - cpu > 128 ? 128 : nr_pcpus - cpu;
559 NONBLOCKING (r = virDomainGetCPUStats(dom, params, nparams, cpu, ncpus, 0));
560 CHECK_ERROR (r < 0, conn, "virDomainGetCPUStats");
562 for (i = 0; i < ncpus; i++) {
563 /* list of typed_param: single linked list of param_nodes */
564 param_head = Val_emptylist; /* param_head: the head param_node of list of typed_param */
566 if (params[i * nparams].type == 0) {
567 Store_field(cpustats, cpu + i, param_head);
571 for (j = r - 1; j >= 0; j--) {
572 pos = i * nparams + j;
573 if (params[pos].type == 0)
576 param_node = caml_alloc(2, 0); /* param_node: typed_param, next param_node */
577 Store_field(param_node, 1, param_head);
578 param_head = param_node;
580 typed_param = caml_alloc(2, 0); /* typed_param: field name(string), typed_param_value */
581 Store_field(param_node, 0, typed_param);
582 Store_field(typed_param, 0, caml_copy_string(params[pos].field));
584 /* typed_param_value: value with the corresponding type tag */
585 switch(params[pos].type) {
586 case VIR_TYPED_PARAM_INT:
587 typed_param_value = caml_alloc (1, 0);
588 v = caml_copy_int32 (params[pos].value.i);
590 case VIR_TYPED_PARAM_UINT:
591 typed_param_value = caml_alloc (1, 1);
592 v = caml_copy_int32 (params[pos].value.ui);
594 case VIR_TYPED_PARAM_LLONG:
595 typed_param_value = caml_alloc (1, 2);
596 v = caml_copy_int64 (params[pos].value.l);
598 case VIR_TYPED_PARAM_ULLONG:
599 typed_param_value = caml_alloc (1, 3);
600 v = caml_copy_int64 (params[pos].value.ul);
602 case VIR_TYPED_PARAM_DOUBLE:
603 typed_param_value = caml_alloc (1, 4);
604 v = caml_copy_double (params[pos].value.d);
606 case VIR_TYPED_PARAM_BOOLEAN:
607 typed_param_value = caml_alloc (1, 5);
608 v = Val_bool (params[pos].value.b);
610 case VIR_TYPED_PARAM_STRING:
611 typed_param_value = caml_alloc (1, 6);
612 v = caml_copy_string (params[pos].value.s);
613 free (params[pos].value.s);
616 /* XXX Memory leak on this path, if there are more
617 * VIR_TYPED_PARAM_STRING past this point in the array.
620 caml_failwith ("virDomainGetCPUStats: "
621 "unknown parameter type returned");
623 Store_field (typed_param_value, 0, v);
624 Store_field (typed_param, 1, typed_param_value);
626 Store_field (cpustats, cpu + i, param_head);
631 CAMLreturn (cpustats);
633 not_supported ("virDomainGetCPUStats");
637 #ifdef HAVE_WEAK_SYMBOLS
638 #ifdef HAVE_VIRDOMAINMIGRATE
639 extern virDomainPtr virDomainMigrate (virDomainPtr domain, virConnectPtr dconn,
640 unsigned long flags, const char *dname,
641 const char *uri, unsigned long bandwidth)
642 __attribute__((weak));
647 ocaml_libvirt_domain_migrate_native (value domv, value dconnv, value flagsv, value optdnamev, value opturiv, value optbandwidthv, value unitv)
649 #ifdef HAVE_VIRDOMAINMIGRATE
650 CAMLparam5 (domv, dconnv, flagsv, optdnamev, opturiv);
651 CAMLxparam2 (optbandwidthv, unitv);
652 CAMLlocal2 (flagv, rv);
653 virDomainPtr dom = Domain_val (domv);
654 virConnectPtr conn = Connect_domv (domv);
655 virConnectPtr dconn = Connect_val (dconnv);
657 const char *dname = Optstring_val (optdnamev);
658 const char *uri = Optstring_val (opturiv);
659 unsigned long bandwidth;
662 /* Iterate over the list of flags. */
663 for (; flagsv != Val_int (0); flagsv = Field (flagsv, 1))
665 flagv = Field (flagsv, 0);
666 if (flagv == Val_int (0))
667 flags |= VIR_MIGRATE_LIVE;
670 if (optbandwidthv == Val_int (0)) /* None */
672 else /* Some bandwidth */
673 bandwidth = Int_val (Field (optbandwidthv, 0));
675 WEAK_SYMBOL_CHECK (virDomainMigrate);
676 NONBLOCKING (r = virDomainMigrate (dom, dconn, flags, dname, uri, bandwidth));
677 CHECK_ERROR (!r, conn, "virDomainMigrate");
679 rv = Val_domain (r, dconnv);
683 #else /* virDomainMigrate not supported */
684 not_supported ("virDomainMigrate");
689 ocaml_libvirt_domain_migrate_bytecode (value *argv, int argn)
691 return ocaml_libvirt_domain_migrate_native (argv[0], argv[1], argv[2],
692 argv[3], argv[4], argv[5],
696 #ifdef HAVE_WEAK_SYMBOLS
697 #ifdef HAVE_VIRDOMAINBLOCKSTATS
698 extern int virDomainBlockStats (virDomainPtr dom,
700 virDomainBlockStatsPtr stats,
702 __attribute__((weak));
707 ocaml_libvirt_domain_block_stats (value domv, value pathv)
709 #if HAVE_VIRDOMAINBLOCKSTATS
710 CAMLparam2 (domv, pathv);
712 virDomainPtr dom = Domain_val (domv);
713 virConnectPtr conn = Connect_domv (domv);
714 char *path = String_val (pathv);
715 struct _virDomainBlockStats stats;
718 WEAK_SYMBOL_CHECK (virDomainBlockStats);
719 NONBLOCKING (r = virDomainBlockStats (dom, path, &stats, sizeof stats));
720 CHECK_ERROR (r == -1, conn, "virDomainBlockStats");
722 rv = caml_alloc (5, 0);
723 v = caml_copy_int64 (stats.rd_req); Store_field (rv, 0, v);
724 v = caml_copy_int64 (stats.rd_bytes); Store_field (rv, 1, v);
725 v = caml_copy_int64 (stats.wr_req); Store_field (rv, 2, v);
726 v = caml_copy_int64 (stats.wr_bytes); Store_field (rv, 3, v);
727 v = caml_copy_int64 (stats.errs); Store_field (rv, 4, v);
731 not_supported ("virDomainBlockStats");
735 #ifdef HAVE_WEAK_SYMBOLS
736 #ifdef HAVE_VIRDOMAININTERFACESTATS
737 extern int virDomainInterfaceStats (virDomainPtr dom,
739 virDomainInterfaceStatsPtr stats,
741 __attribute__((weak));
746 ocaml_libvirt_domain_interface_stats (value domv, value pathv)
748 #if HAVE_VIRDOMAININTERFACESTATS
749 CAMLparam2 (domv, pathv);
751 virDomainPtr dom = Domain_val (domv);
752 virConnectPtr conn = Connect_domv (domv);
753 char *path = String_val (pathv);
754 struct _virDomainInterfaceStats stats;
757 WEAK_SYMBOL_CHECK (virDomainInterfaceStats);
758 NONBLOCKING (r = virDomainInterfaceStats (dom, path, &stats, sizeof stats));
759 CHECK_ERROR (r == -1, conn, "virDomainInterfaceStats");
761 rv = caml_alloc (8, 0);
762 v = caml_copy_int64 (stats.rx_bytes); Store_field (rv, 0, v);
763 v = caml_copy_int64 (stats.rx_packets); Store_field (rv, 1, v);
764 v = caml_copy_int64 (stats.rx_errs); Store_field (rv, 2, v);
765 v = caml_copy_int64 (stats.rx_drop); Store_field (rv, 3, v);
766 v = caml_copy_int64 (stats.tx_bytes); Store_field (rv, 4, v);
767 v = caml_copy_int64 (stats.tx_packets); Store_field (rv, 5, v);
768 v = caml_copy_int64 (stats.tx_errs); Store_field (rv, 6, v);
769 v = caml_copy_int64 (stats.tx_drop); Store_field (rv, 7, v);
773 not_supported ("virDomainInterfaceStats");
777 #ifdef HAVE_WEAK_SYMBOLS
778 #ifdef HAVE_VIRDOMAINBLOCKPEEK
779 extern int virDomainBlockPeek (virDomainPtr domain,
781 unsigned long long offset,
785 __attribute__((weak));
790 ocaml_libvirt_domain_block_peek_native (value domv, value pathv, value offsetv, value sizev, value bufferv, value boffv)
792 #ifdef HAVE_VIRDOMAINBLOCKPEEK
793 CAMLparam5 (domv, pathv, offsetv, sizev, bufferv);
795 virDomainPtr dom = Domain_val (domv);
796 virConnectPtr conn = Connect_domv (domv);
797 const char *path = String_val (pathv);
798 unsigned long long offset = Int64_val (offsetv);
799 size_t size = Int_val (sizev);
800 char *buffer = String_val (bufferv);
801 int boff = Int_val (boffv);
804 /* Check that the return buffer is big enough. */
805 if (caml_string_length (bufferv) < boff + size)
806 caml_failwith ("virDomainBlockPeek: return buffer too short");
808 WEAK_SYMBOL_CHECK (virDomainBlockPeek);
809 /* NB. not NONBLOCKING because buffer might move (XXX) */
810 r = virDomainBlockPeek (dom, path, offset, size, buffer+boff, 0);
811 CHECK_ERROR (r == -1, conn, "virDomainBlockPeek");
813 CAMLreturn (Val_unit);
815 #else /* virDomainBlockPeek not supported */
816 not_supported ("virDomainBlockPeek");
821 ocaml_libvirt_domain_block_peek_bytecode (value *argv, int argn)
823 return ocaml_libvirt_domain_block_peek_native (argv[0], argv[1], argv[2],
824 argv[3], argv[4], argv[5]);
827 #ifdef HAVE_WEAK_SYMBOLS
828 #ifdef HAVE_VIRDOMAINMEMORYPEEK
829 extern int virDomainMemoryPeek (virDomainPtr domain,
830 unsigned long long start,
834 __attribute__((weak));
839 ocaml_libvirt_domain_memory_peek_native (value domv, value flagsv, value offsetv, value sizev, value bufferv, value boffv)
841 #ifdef HAVE_VIRDOMAINMEMORYPEEK
842 CAMLparam5 (domv, flagsv, offsetv, sizev, bufferv);
845 virDomainPtr dom = Domain_val (domv);
846 virConnectPtr conn = Connect_domv (domv);
848 unsigned long long offset = Int64_val (offsetv);
849 size_t size = Int_val (sizev);
850 char *buffer = String_val (bufferv);
851 int boff = Int_val (boffv);
854 /* Check that the return buffer is big enough. */
855 if (caml_string_length (bufferv) < boff + size)
856 caml_failwith ("virDomainMemoryPeek: return buffer too short");
859 for (; flagsv != Val_int (0); flagsv = Field (flagsv, 1))
861 flagv = Field (flagsv, 0);
862 if (flagv == Val_int (0))
863 flags |= VIR_MEMORY_VIRTUAL;
866 WEAK_SYMBOL_CHECK (virDomainMemoryPeek);
867 /* NB. not NONBLOCKING because buffer might move (XXX) */
868 r = virDomainMemoryPeek (dom, offset, size, buffer+boff, flags);
869 CHECK_ERROR (r == -1, conn, "virDomainMemoryPeek");
871 CAMLreturn (Val_unit);
873 #else /* virDomainMemoryPeek not supported */
874 not_supported ("virDomainMemoryPeek");
879 ocaml_libvirt_domain_memory_peek_bytecode (value *argv, int argn)
881 return ocaml_libvirt_domain_memory_peek_native (argv[0], argv[1], argv[2],
882 argv[3], argv[4], argv[5]);
885 #ifdef HAVE_WEAK_SYMBOLS
886 #ifdef HAVE_VIRSTORAGEPOOLGETINFO
887 extern int virStoragePoolGetInfo(virStoragePoolPtr pool, virStoragePoolInfoPtr info)
888 __attribute__((weak));
893 ocaml_libvirt_storage_pool_get_info (value poolv)
895 #if HAVE_VIRSTORAGEPOOLGETINFO
898 virStoragePoolPtr pool = Pool_val (poolv);
899 virConnectPtr conn = Connect_polv (poolv);
900 virStoragePoolInfo info;
903 WEAK_SYMBOL_CHECK (virStoragePoolGetInfo);
904 NONBLOCKING (r = virStoragePoolGetInfo (pool, &info));
905 CHECK_ERROR (r == -1, conn, "virStoragePoolGetInfo");
907 rv = caml_alloc (4, 0);
908 Store_field (rv, 0, Val_int (info.state));
909 v = caml_copy_int64 (info.capacity); Store_field (rv, 1, v);
910 v = caml_copy_int64 (info.allocation); Store_field (rv, 2, v);
911 v = caml_copy_int64 (info.available); Store_field (rv, 3, v);
915 not_supported ("virStoragePoolGetInfo");
919 #ifdef HAVE_WEAK_SYMBOLS
920 #ifdef HAVE_VIRSTORAGEVOLGETINFO
921 extern int virStorageVolGetInfo(virStorageVolPtr vol, virStorageVolInfoPtr info)
922 __attribute__((weak));
927 ocaml_libvirt_storage_vol_get_info (value volv)
929 #if HAVE_VIRSTORAGEVOLGETINFO
932 virStorageVolPtr vol = Volume_val (volv);
933 virConnectPtr conn = Connect_volv (volv);
934 virStorageVolInfo info;
937 WEAK_SYMBOL_CHECK (virStorageVolGetInfo);
938 NONBLOCKING (r = virStorageVolGetInfo (vol, &info));
939 CHECK_ERROR (r == -1, conn, "virStorageVolGetInfo");
941 rv = caml_alloc (3, 0);
942 Store_field (rv, 0, Val_int (info.type));
943 v = caml_copy_int64 (info.capacity); Store_field (rv, 1, v);
944 v = caml_copy_int64 (info.allocation); Store_field (rv, 1, v);
948 not_supported ("virStorageVolGetInfo");
952 /*----------------------------------------------------------------------*/
955 ocaml_libvirt_virterror_get_last_error (value unitv)
959 virErrorPtr err = virGetLastError ();
961 rv = Val_opt (err, (Val_ptr_t) Val_virterror);
967 ocaml_libvirt_virterror_get_last_conn_error (value connv)
971 virConnectPtr conn = Connect_val (connv);
973 rv = Val_opt (conn, (Val_ptr_t) Val_connect);
979 ocaml_libvirt_virterror_reset_last_error (value unitv)
982 virResetLastError ();
983 CAMLreturn (Val_unit);
987 ocaml_libvirt_virterror_reset_last_conn_error (value connv)
990 virConnectPtr conn = Connect_val (connv);
991 virConnResetLastError (conn);
992 CAMLreturn (Val_unit);
995 /*----------------------------------------------------------------------*/
997 /* Initialise the library. */
999 ocaml_libvirt_init (value unit)
1005 r = virInitialize ();
1006 CHECK_ERROR (r == -1, NULL, "virInitialize");
1008 CAMLreturn (Val_unit);