X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=libvirt%2Flibvirt_c_oneoffs.c;h=f827707a77e6478129370fce67e46ae745b9be9a;hb=refs%2Ftags%2F0.6.1.1;hp=ff69105ed4626426d4097b26cffc6f2e6c875b5b;hpb=b549cb36134996b0c9264611ed2d3c84605c7ec1;p=ocaml-libvirt.git diff --git a/libvirt/libvirt_c_oneoffs.c b/libvirt/libvirt_c_oneoffs.c index ff69105..f827707 100644 --- a/libvirt/libvirt_c_oneoffs.c +++ b/libvirt/libvirt_c_oneoffs.c @@ -199,15 +199,14 @@ ocaml_libvirt_domain_get_id (value domv) { 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)); } @@ -521,6 +520,118 @@ ocaml_libvirt_domain_get_vcpus (value domv, value maxinfov, value maplenv) } #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, value nr_pcpusv) +{ +#ifdef HAVE_VIRDOMAINGETCPUSTATS + CAMLparam2 (domv, nr_pcpusv); + CAMLlocal5 (cpustats, param_head, param_node, typed_param, typed_param_value); + CAMLlocal1 (v); + virDomainPtr dom = Domain_val (domv); + virConnectPtr conn = Connect_domv (domv); + int nr_pcpus = Int_val (nr_pcpusv); + virTypedParameterPtr params; + int r, cpu, ncpus, nparams, i, j, pos; + + /* get percpu information */ + NONBLOCKING (nparams = virDomainGetCPUStats(dom, NULL, 0, -1, 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 = nparams - 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: + 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, @@ -835,41 +946,6 @@ ocaml_libvirt_storage_vol_get_info (value volv) #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