{
CAMLparam1 (domv);
virDomainPtr dom = Domain_val (domv);
- virConnectPtr conn = Connect_domv (domv);
+ /*virConnectPtr conn = Connect_domv (domv);*/
unsigned int r;
NONBLOCKING (r = virDomainGetID (dom));
- /* There's a bug in libvirt which means that if you try to get
- * the ID of a defined-but-not-running domain, it returns -1,
- * and there's no way to distinguish that from an error.
+ /* In theory this could return -1 on error, but in practice
+ * libvirt never does this unless you call it with a corrupted
+ * or NULL dom object. So ignore errors here.
*/
- CHECK_ERROR (r == (unsigned int) -1, conn, "virDomainGetID");
CAMLreturn (Val_int ((int) r));
}
}
#ifdef HAVE_WEAK_SYMBOLS
+#ifdef HAVE_VIRDOMAINGETCPUSTATS
+extern int virDomainGetCPUStats (virDomainPtr domain,
+ virTypedParameterPtr params,
+ unsigned int nparams,
+ int start_cpu,
+ unsigned int ncpus,
+ unsigned int flags)
+ __attribute__((weak));
+#endif
+#endif
+
+CAMLprim value
+ocaml_libvirt_domain_get_cpu_stats (value domv)
+{
+#ifdef HAVE_VIRDOMAINGETCPUSTATS
+ CAMLparam1 (domv);
+ CAMLlocal5 (cpustats, param_head, param_node, typed_param, typed_param_value);
+ CAMLlocal1 (v);
+ virDomainPtr dom = Domain_val (domv);
+ virConnectPtr conn = Connect_domv (domv);
+ virTypedParameterPtr params;
+ int r, cpu, ncpus, nparams, i, j, pos;
+ int nr_pcpus;
+
+ /* get number of pcpus */
+ NONBLOCKING (nr_pcpus = virDomainGetCPUStats(dom, NULL, 0, 0, 0, 0));
+ CHECK_ERROR (nr_pcpus < 0, conn, "virDomainGetCPUStats");
+
+ /* get percpu information */
+ NONBLOCKING (nparams = virDomainGetCPUStats(dom, NULL, 0, 0, 1, 0));
+ CHECK_ERROR (nparams < 0, conn, "virDomainGetCPUStats");
+
+ if ((params = malloc(sizeof(*params) * nparams * 128)) == NULL)
+ caml_failwith ("virDomainGetCPUStats: malloc");
+
+ cpustats = caml_alloc (nr_pcpus, 0); /* cpustats: array of params(list of typed_param) */
+ cpu = 0;
+ while (cpu < nr_pcpus) {
+ ncpus = nr_pcpus - cpu > 128 ? 128 : nr_pcpus - cpu;
+
+ NONBLOCKING (r = virDomainGetCPUStats(dom, params, nparams, cpu, ncpus, 0));
+ CHECK_ERROR (r < 0, conn, "virDomainGetCPUStats");
+
+ for (i = 0; i < ncpus; i++) {
+ /* list of typed_param: single linked list of param_nodes */
+ param_head = Val_emptylist; /* param_head: the head param_node of list of typed_param */
+
+ if (params[i * nparams].type == 0) {
+ Store_field(cpustats, cpu + i, param_head);
+ continue;
+ }
+
+ for (j = r - 1; j >= 0; j--) {
+ pos = i * nparams + j;
+ if (params[pos].type == 0)
+ continue;
+
+ param_node = caml_alloc(2, 0); /* param_node: typed_param, next param_node */
+ Store_field(param_node, 1, param_head);
+ param_head = param_node;
+
+ typed_param = caml_alloc(2, 0); /* typed_param: field name(string), typed_param_value */
+ Store_field(param_node, 0, typed_param);
+ Store_field(typed_param, 0, caml_copy_string(params[pos].field));
+
+ /* typed_param_value: value with the corresponding type tag */
+ switch(params[pos].type) {
+ case VIR_TYPED_PARAM_INT:
+ typed_param_value = caml_alloc (1, 0);
+ v = caml_copy_int32 (params[pos].value.i);
+ break;
+ case VIR_TYPED_PARAM_UINT:
+ typed_param_value = caml_alloc (1, 1);
+ v = caml_copy_int32 (params[pos].value.ui);
+ break;
+ case VIR_TYPED_PARAM_LLONG:
+ typed_param_value = caml_alloc (1, 2);
+ v = caml_copy_int64 (params[pos].value.l);
+ break;
+ case VIR_TYPED_PARAM_ULLONG:
+ typed_param_value = caml_alloc (1, 3);
+ v = caml_copy_int64 (params[pos].value.ul);
+ break;
+ case VIR_TYPED_PARAM_DOUBLE:
+ typed_param_value = caml_alloc (1, 4);
+ v = caml_copy_double (params[pos].value.d);
+ break;
+ case VIR_TYPED_PARAM_BOOLEAN:
+ typed_param_value = caml_alloc (1, 5);
+ v = Val_bool (params[pos].value.b);
+ break;
+ case VIR_TYPED_PARAM_STRING:
+ typed_param_value = caml_alloc (1, 6);
+ v = caml_copy_string (params[pos].value.s);
+ free (params[pos].value.s);
+ break;
+ default:
+ /* XXX Memory leak on this path, if there are more
+ * VIR_TYPED_PARAM_STRING past this point in the array.
+ */
+ free (params);
+ caml_failwith ("virDomainGetCPUStats: "
+ "unknown parameter type returned");
+ }
+ Store_field (typed_param_value, 0, v);
+ Store_field (typed_param, 1, typed_param_value);
+ }
+ Store_field (cpustats, cpu + i, param_head);
+ }
+ cpu += ncpus;
+ }
+ free(params);
+ CAMLreturn (cpustats);
+#else
+ not_supported ("virDomainGetCPUStats");
+#endif
+}
+
+#ifdef HAVE_WEAK_SYMBOLS
#ifdef HAVE_VIRDOMAINMIGRATE
extern virDomainPtr virDomainMigrate (virDomainPtr domain, virConnectPtr dconn,
unsigned long flags, const char *dname,
for (; flagsv != Val_int (0); flagsv = Field (flagsv, 1))
{
flagv = Field (flagsv, 0);
- if (flagv == Int_val(0))
+ if (flagv == Val_int (0))
flags |= VIR_MIGRATE_LIVE;
}
}
#ifdef HAVE_WEAK_SYMBOLS
+#ifdef HAVE_VIRDOMAINBLOCKPEEK
+extern int virDomainBlockPeek (virDomainPtr domain,
+ const char *path,
+ unsigned long long offset,
+ size_t size,
+ void *buffer,
+ unsigned int flags)
+ __attribute__((weak));
+#endif
+#endif
+
+CAMLprim value
+ocaml_libvirt_domain_block_peek_native (value domv, value pathv, value offsetv, value sizev, value bufferv, value boffv)
+{
+#ifdef HAVE_VIRDOMAINBLOCKPEEK
+ CAMLparam5 (domv, pathv, offsetv, sizev, bufferv);
+ CAMLxparam1 (boffv);
+ virDomainPtr dom = Domain_val (domv);
+ virConnectPtr conn = Connect_domv (domv);
+ const char *path = String_val (pathv);
+ unsigned long long offset = Int64_val (offsetv);
+ size_t size = Int_val (sizev);
+ char *buffer = String_val (bufferv);
+ int boff = Int_val (boffv);
+ int r;
+
+ /* Check that the return buffer is big enough. */
+ if (caml_string_length (bufferv) < boff + size)
+ caml_failwith ("virDomainBlockPeek: return buffer too short");
+
+ WEAK_SYMBOL_CHECK (virDomainBlockPeek);
+ /* NB. not NONBLOCKING because buffer might move (XXX) */
+ r = virDomainBlockPeek (dom, path, offset, size, buffer+boff, 0);
+ CHECK_ERROR (r == -1, conn, "virDomainBlockPeek");
+
+ CAMLreturn (Val_unit);
+
+#else /* virDomainBlockPeek not supported */
+ not_supported ("virDomainBlockPeek");
+#endif
+}
+
+CAMLprim value
+ocaml_libvirt_domain_block_peek_bytecode (value *argv, int argn)
+{
+ return ocaml_libvirt_domain_block_peek_native (argv[0], argv[1], argv[2],
+ argv[3], argv[4], argv[5]);
+}
+
+#ifdef HAVE_WEAK_SYMBOLS
+#ifdef HAVE_VIRDOMAINMEMORYPEEK
+extern int virDomainMemoryPeek (virDomainPtr domain,
+ unsigned long long start,
+ size_t size,
+ void *buffer,
+ unsigned int flags)
+ __attribute__((weak));
+#endif
+#endif
+
+CAMLprim value
+ocaml_libvirt_domain_memory_peek_native (value domv, value flagsv, value offsetv, value sizev, value bufferv, value boffv)
+{
+#ifdef HAVE_VIRDOMAINMEMORYPEEK
+ CAMLparam5 (domv, flagsv, offsetv, sizev, bufferv);
+ CAMLxparam1 (boffv);
+ CAMLlocal1 (flagv);
+ virDomainPtr dom = Domain_val (domv);
+ virConnectPtr conn = Connect_domv (domv);
+ int flags = 0;
+ unsigned long long offset = Int64_val (offsetv);
+ size_t size = Int_val (sizev);
+ char *buffer = String_val (bufferv);
+ int boff = Int_val (boffv);
+ int r;
+
+ /* Check that the return buffer is big enough. */
+ if (caml_string_length (bufferv) < boff + size)
+ caml_failwith ("virDomainMemoryPeek: return buffer too short");
+
+ /* Do flags. */
+ for (; flagsv != Val_int (0); flagsv = Field (flagsv, 1))
+ {
+ flagv = Field (flagsv, 0);
+ if (flagv == Val_int (0))
+ flags |= VIR_MEMORY_VIRTUAL;
+ }
+
+ WEAK_SYMBOL_CHECK (virDomainMemoryPeek);
+ /* NB. not NONBLOCKING because buffer might move (XXX) */
+ r = virDomainMemoryPeek (dom, offset, size, buffer+boff, flags);
+ CHECK_ERROR (r == -1, conn, "virDomainMemoryPeek");
+
+ CAMLreturn (Val_unit);
+
+#else /* virDomainMemoryPeek not supported */
+ not_supported ("virDomainMemoryPeek");
+#endif
+}
+
+CAMLprim value
+ocaml_libvirt_domain_memory_peek_bytecode (value *argv, int argn)
+{
+ return ocaml_libvirt_domain_memory_peek_native (argv[0], argv[1], argv[2],
+ argv[3], argv[4], argv[5]);
+}
+
+#ifdef HAVE_WEAK_SYMBOLS
#ifdef HAVE_VIRSTORAGEPOOLGETINFO
extern int virStoragePoolGetInfo(virStoragePoolPtr pool, virStoragePoolInfoPtr info)
__attribute__((weak));
#endif
}
-#ifdef HAVE_WEAK_SYMBOLS
-#ifdef HAVE_VIRJOBGETINFO
-extern int virJobGetInfo(virJobPtr job, virJobInfoPtr info)
- __attribute__((weak));
-#endif
-#endif
-
-CAMLprim value
-ocaml_libvirt_job_get_info (value jobv)
-{
-#if HAVE_VIRJOBGETINFO
- CAMLparam1 (jobv);
- CAMLlocal1 (rv);
- virJobPtr job = Job_val (jobv);
- virConnectPtr conn = Connect_jobv (jobv);
- virJobInfo info;
- int r;
-
- WEAK_SYMBOL_CHECK (virJobGetInfo);
- NONBLOCKING (r = virJobGetInfo (job, &info));
- CHECK_ERROR (r == -1, conn, "virJobGetInfo");
-
- rv = caml_alloc (5, 0);
- Store_field (rv, 0, Val_int (info.type));
- Store_field (rv, 1, Val_int (info.state));
- Store_field (rv, 2, Val_int (info.runningTime));
- Store_field (rv, 3, Val_int (info.remainingTime));
- Store_field (rv, 4, Val_int (info.percentComplete));
-
- CAMLreturn (rv);
-#else
- not_supported ("virJobGetInfo");
-#endif
-}
-
/*----------------------------------------------------------------------*/
CAMLprim value
git.annexia.org / ocaml-libvirt.git / blobdiff