1 (* OCaml bindings for libvirt.
2 (C) Copyright 2007 Richard W.M. Jones, Red Hat Inc.
10 external get_version : ?driver:string -> unit -> int * int = "ocaml_libvirt_get_version"
13 let uuid_string_length = 36
15 (* http://caml.inria.fr/pub/ml-archives/caml-list/2004/07/80683af867cce6bf8fff273973f70c95.en.html *)
34 external connect : ?name:string -> unit -> rw t = "ocaml_libvirt_connect_open"
35 external connect_readonly : ?name:string -> unit -> ro t = "ocaml_libvirt_connect_open_readonly"
36 external close : [>`R] t -> unit = "ocaml_libvirt_connect_close"
37 external get_type : [>`R] t -> string = "ocaml_libvirt_connect_get_type"
38 external get_version : [>`R] t -> int = "ocaml_libvirt_connect_get_version"
39 external get_hostname : [>`R] t -> string = "ocaml_libvirt_connect_get_hostname"
40 external get_uri : [>`R] t -> string = "ocaml_libvirt_connect_get_uri"
41 external get_max_vcpus : [>`R] t -> ?type_:string -> unit -> int = "ocaml_libvirt_connect_get_max_vcpus"
42 external list_domains : [>`R] t -> int -> int array = "ocaml_libvirt_connect_list_domains"
43 external num_of_domains : [>`R] t -> int = "ocaml_libvirt_connect_num_of_domains"
44 external get_capabilities : [>`R] t -> string = "ocaml_libvirt_connect_get_capabilities"
45 external num_of_defined_domains : [>`R] t -> int = "ocaml_libvirt_connect_num_of_defined_domains"
46 external list_defined_domains : [>`R] t -> int -> string array = "ocaml_libvirt_connect_list_defined_domains"
47 external num_of_networks : [>`R] t -> int = "ocaml_libvirt_connect_num_of_networks"
48 external list_networks : [>`R] t -> int -> string array = "ocaml_libvirt_connect_list_networks"
49 external num_of_defined_networks : [>`R] t -> int = "ocaml_libvirt_connect_num_of_defined_networks"
50 external list_defined_networks : [>`R] t -> int -> string array = "ocaml_libvirt_connect_list_defined_networks"
51 external get_node_info : [>`R] t -> node_info = "ocaml_libvirt_connect_get_node_info"
53 (* See VIR_NODEINFO_MAXCPUS macro defined in <libvirt.h>. *)
54 let maxcpus_of_node_info { nodes = nodes; sockets = sockets;
55 cores = cores; threads = threads } =
56 nodes * sockets * cores * threads
58 (* See VIR_CPU_MAPLEN macro defined in <libvirt.h>. *)
59 let cpumaplen nr_cpus =
62 (* See VIR_USE_CPU, VIR_UNUSE_CPU, VIR_CPU_USABLE macros defined in <libvirt.h>. *)
63 let use_cpu cpumap cpu =
65 Char.chr (Char.code cpumap.[cpu/8] lor (1 lsl (cpu mod 8)))
66 let unuse_cpu cpumap cpu =
68 Char.chr (Char.code cpumap.[cpu/8] land (lnot (1 lsl (cpu mod 8))))
69 let cpu_usable cpumaps maplen vcpu cpu =
70 Char.code cpumaps.[vcpu*maplen + cpu/8] land (1 lsl (cpu mod 8)) <> 0
72 external const : [>`R] t -> ro t = "%identity"
78 type 'rw t = 'rw dom * 'rw Connect.t
81 | InfoNoState | InfoRunning | InfoBlocked | InfoPaused
82 | InfoShutdown | InfoShutoff | InfoCrashed
92 type vcpu_state = VcpuOffline | VcpuRunning | VcpuBlocked
96 vcpu_state : vcpu_state;
101 type sched_param = string * sched_param_value
102 and sched_param_value =
103 | SchedFieldInt32 of int32 | SchedFieldUInt32 of int32
104 | SchedFieldInt64 of int64 | SchedFieldUInt64 of int64
105 | SchedFieldFloat of float | SchedFieldBool of bool
107 type migrate_flag = Live
117 type interface_stats = {
128 external create_linux : [>`W] Connect.t -> xml -> rw t = "ocaml_libvirt_domain_create_linux"
129 external lookup_by_id : 'a Connect.t -> int -> 'a t = "ocaml_libvirt_domain_lookup_by_id"
130 external lookup_by_uuid : 'a Connect.t -> uuid -> 'a t = "ocaml_libvirt_domain_lookup_by_uuid"
131 external lookup_by_uuid_string : 'a Connect.t -> string -> 'a t = "ocaml_libvirt_domain_lookup_by_uuid_string"
132 external lookup_by_name : 'a Connect.t -> string -> 'a t = "ocaml_libvirt_domain_lookup_by_name"
133 external destroy : [>`W] t -> unit = "ocaml_libvirt_domain_destroy"
134 external free : [>`R] t -> unit = "ocaml_libvirt_domain_free"
135 external suspend : [>`W] t -> unit = "ocaml_libvirt_domain_suspend"
136 external resume : [>`W] t -> unit = "ocaml_libvirt_domain_resume"
137 external save : [>`W] t -> string -> unit = "ocaml_libvirt_domain_save"
138 external restore : [>`W] Connect.t -> string -> unit = "ocaml_libvirt_domain_restore"
139 external core_dump : [>`W] t -> string -> unit = "ocaml_libvirt_domain_core_dump"
140 external shutdown : [>`W] t -> unit = "ocaml_libvirt_domain_shutdown"
141 external reboot : [>`W] t -> unit = "ocaml_libvirt_domain_reboot"
142 external get_name : [>`R] t -> string = "ocaml_libvirt_domain_get_name"
143 external get_uuid : [>`R] t -> uuid = "ocaml_libvirt_domain_get_uuid"
144 external get_uuid_string : [>`R] t -> string = "ocaml_libvirt_domain_get_uuid_string"
145 external get_id : [>`R] t -> int = "ocaml_libvirt_domain_get_id"
146 external get_os_type : [>`R] t -> string = "ocaml_libvirt_domain_get_os_type"
147 external get_max_memory : [>`R] t -> int64 = "ocaml_libvirt_domain_get_max_memory"
148 external set_max_memory : [>`W] t -> int64 -> unit = "ocaml_libvirt_domain_set_max_memory"
149 external set_memory : [>`W] t -> int64 -> unit = "ocaml_libvirt_domain_set_memory"
150 external get_info : [>`R] t -> info = "ocaml_libvirt_domain_get_info"
151 external get_xml_desc : [>`R] t -> xml = "ocaml_libvirt_domain_get_xml_desc"
152 external get_scheduler_type : [>`R] t -> string * int = "ocaml_libvirt_domain_get_scheduler_type"
153 external get_scheduler_parameters : [>`R] t -> int -> sched_param array = "ocaml_libvirt_domain_get_scheduler_parameters"
154 external set_scheduler_parameters : [>`W] t -> sched_param array -> unit = "ocaml_libvirt_domain_set_scheduler_parameters"
155 external define_xml : [>`W] Connect.t -> xml -> rw t = "ocaml_libvirt_domain_define_xml"
156 external undefine : [>`W] t -> unit = "ocaml_libvirt_domain_undefine"
157 external create : [>`W] t -> unit = "ocaml_libvirt_domain_create"
158 external get_autostart : [>`R] t -> bool = "ocaml_libvirt_domain_get_autostart"
159 external set_autostart : [>`W] t -> bool -> unit = "ocaml_libvirt_domain_set_autostart"
160 external set_vcpus : [>`W] t -> int -> unit = "ocaml_libvirt_domain_set_vcpus"
161 external pin_vcpu : [>`W] t -> int -> string -> unit = "ocaml_libvirt_domain_pin_vcpu"
162 external get_vcpus : [>`R] t -> int -> int -> int * vcpu_info array * string = "ocaml_libvirt_domain_get_vcpus"
163 external get_max_vcpus : [>`R] t -> int = "ocaml_libvirt_domain_get_max_vcpus"
164 external attach_device : [>`W] t -> xml -> unit = "ocaml_libvirt_domain_attach_device"
165 external detach_device : [>`W] t -> xml -> unit = "ocaml_libvirt_domain_detach_device"
166 external migrate : [>`W] t -> [>`W] Connect.t -> migrate_flag list -> ?dname:string -> ?uri:string -> ?bandwidth:int -> unit -> rw t = "ocaml_libvirt_domain_migrate_bytecode" "ocaml_libvirt_domain_migrate_native"
167 external block_stats : [>`R] t -> string -> block_stats = "ocaml_libvirt_domain_block_stats"
168 external interface_stats : [>`R] t -> string -> interface_stats = "ocaml_libvirt_domain_interface_stats"
170 external const : [>`R] t -> ro t = "%identity"
176 type 'rw t = 'rw net * 'rw Connect.t
178 external lookup_by_name : 'a Connect.t -> string -> 'a t = "ocaml_libvirt_network_lookup_by_name"
179 external lookup_by_uuid : 'a Connect.t -> uuid -> 'a t = "ocaml_libvirt_network_lookup_by_uuid"
180 external lookup_by_uuid_string : 'a Connect.t -> string -> 'a t = "ocaml_libvirt_network_lookup_by_uuid_string"
181 external create_xml : [>`W] Connect.t -> xml -> rw t = "ocaml_libvirt_network_create_xml"
182 external define_xml : [>`W] Connect.t -> xml -> rw t = "ocaml_libvirt_network_define_xml"
183 external undefine : [>`W] t -> unit = "ocaml_libvirt_network_undefine"
184 external create : [>`W] t -> unit = "ocaml_libvirt_network_create"
185 external destroy : [>`W] t -> unit = "ocaml_libvirt_network_destroy"
186 external free : [>`R] t -> unit = "ocaml_libvirt_network_free"
187 external get_name : [>`R] t -> string = "ocaml_libvirt_network_get_name"
188 external get_uuid : [>`R] t -> uuid = "ocaml_libvirt_network_get_uuid"
189 external get_uuid_string : [>`R] t -> string = "ocaml_libvirt_network_get_uuid_string"
190 external get_xml_desc : [>`R] t -> xml = "ocaml_libvirt_network_get_xml_desc"
191 external get_bridge_name : [>`R] t -> string = "ocaml_libvirt_network_get_bridge_name"
192 external get_autostart : [>`R] t -> bool = "ocaml_libvirt_network_get_autostart"
193 external set_autostart : [>`W] t -> bool -> unit = "ocaml_libvirt_network_set_autostart"
195 external const : [>`R] t -> ro t = "%identity"
202 | VIR_ERR_INTERNAL_ERROR
205 | VIR_ERR_UNKNOWN_HOST
207 | VIR_ERR_INVALID_CONN
208 | VIR_ERR_INVALID_DOMAIN
209 | VIR_ERR_INVALID_ARG
210 | VIR_ERR_OPERATION_FAILED
212 | VIR_ERR_POST_FAILED
214 | VIR_ERR_SEXPR_SERIAL
225 | VIR_ERR_NO_XENSTORE
226 | VIR_ERR_DRIVER_FULL
227 | VIR_ERR_CALL_FAILED
230 | VIR_ERR_OPERATION_DENIED
231 | VIR_ERR_OPEN_FAILED
232 | VIR_ERR_READ_FAILED
233 | VIR_ERR_PARSE_FAILED
234 | VIR_ERR_CONF_SYNTAX
235 | VIR_ERR_WRITE_FAILED
237 | VIR_ERR_INVALID_NETWORK
238 | VIR_ERR_NETWORK_EXIST
239 | VIR_ERR_SYSTEM_ERROR
241 | VIR_ERR_GNUTLS_ERROR
246 let string_of_code = function
247 | VIR_ERR_OK -> "VIR_ERR_OK"
248 | VIR_ERR_INTERNAL_ERROR -> "VIR_ERR_INTERNAL_ERROR"
249 | VIR_ERR_NO_MEMORY -> "VIR_ERR_NO_MEMORY"
250 | VIR_ERR_NO_SUPPORT -> "VIR_ERR_NO_SUPPORT"
251 | VIR_ERR_UNKNOWN_HOST -> "VIR_ERR_UNKNOWN_HOST"
252 | VIR_ERR_NO_CONNECT -> "VIR_ERR_NO_CONNECT"
253 | VIR_ERR_INVALID_CONN -> "VIR_ERR_INVALID_CONN"
254 | VIR_ERR_INVALID_DOMAIN -> "VIR_ERR_INVALID_DOMAIN"
255 | VIR_ERR_INVALID_ARG -> "VIR_ERR_INVALID_ARG"
256 | VIR_ERR_OPERATION_FAILED -> "VIR_ERR_OPERATION_FAILED"
257 | VIR_ERR_GET_FAILED -> "VIR_ERR_GET_FAILED"
258 | VIR_ERR_POST_FAILED -> "VIR_ERR_POST_FAILED"
259 | VIR_ERR_HTTP_ERROR -> "VIR_ERR_HTTP_ERROR"
260 | VIR_ERR_SEXPR_SERIAL -> "VIR_ERR_SEXPR_SERIAL"
261 | VIR_ERR_NO_XEN -> "VIR_ERR_NO_XEN"
262 | VIR_ERR_XEN_CALL -> "VIR_ERR_XEN_CALL"
263 | VIR_ERR_OS_TYPE -> "VIR_ERR_OS_TYPE"
264 | VIR_ERR_NO_KERNEL -> "VIR_ERR_NO_KERNEL"
265 | VIR_ERR_NO_ROOT -> "VIR_ERR_NO_ROOT"
266 | VIR_ERR_NO_SOURCE -> "VIR_ERR_NO_SOURCE"
267 | VIR_ERR_NO_TARGET -> "VIR_ERR_NO_TARGET"
268 | VIR_ERR_NO_NAME -> "VIR_ERR_NO_NAME"
269 | VIR_ERR_NO_OS -> "VIR_ERR_NO_OS"
270 | VIR_ERR_NO_DEVICE -> "VIR_ERR_NO_DEVICE"
271 | VIR_ERR_NO_XENSTORE -> "VIR_ERR_NO_XENSTORE"
272 | VIR_ERR_DRIVER_FULL -> "VIR_ERR_DRIVER_FULL"
273 | VIR_ERR_CALL_FAILED -> "VIR_ERR_CALL_FAILED"
274 | VIR_ERR_XML_ERROR -> "VIR_ERR_XML_ERROR"
275 | VIR_ERR_DOM_EXIST -> "VIR_ERR_DOM_EXIST"
276 | VIR_ERR_OPERATION_DENIED -> "VIR_ERR_OPERATION_DENIED"
277 | VIR_ERR_OPEN_FAILED -> "VIR_ERR_OPEN_FAILED"
278 | VIR_ERR_READ_FAILED -> "VIR_ERR_READ_FAILED"
279 | VIR_ERR_PARSE_FAILED -> "VIR_ERR_PARSE_FAILED"
280 | VIR_ERR_CONF_SYNTAX -> "VIR_ERR_CONF_SYNTAX"
281 | VIR_ERR_WRITE_FAILED -> "VIR_ERR_WRITE_FAILED"
282 | VIR_ERR_XML_DETAIL -> "VIR_ERR_XML_DETAIL"
283 | VIR_ERR_INVALID_NETWORK -> "VIR_ERR_INVALID_NETWORK"
284 | VIR_ERR_NETWORK_EXIST -> "VIR_ERR_NETWORK_EXIST"
285 | VIR_ERR_SYSTEM_ERROR -> "VIR_ERR_SYSTEM_ERROR"
286 | VIR_ERR_RPC -> "VIR_ERR_RPC"
287 | VIR_ERR_GNUTLS_ERROR -> "VIR_ERR_GNUTLS_ERROR"
288 | VIR_WAR_NO_NETWORK -> "VIR_WAR_NO_NETWORK"
289 | VIR_ERR_NO_DOMAIN -> "VIR_ERR_NO_DOMAIN"
290 | VIR_ERR_NO_NETWORK -> "VIR_ERR_NO_NETWORK"
297 let string_of_level = function
298 | VIR_ERR_NONE -> "VIR_ERR_NONE"
299 | VIR_ERR_WARNING -> "VIR_ERR_WARNING"
300 | VIR_ERR_ERROR -> "VIR_ERR_ERROR"
318 let string_of_domain = function
319 | VIR_FROM_NONE -> "VIR_FROM_NONE"
320 | VIR_FROM_XEN -> "VIR_FROM_XEN"
321 | VIR_FROM_XEND -> "VIR_FROM_XEND"
322 | VIR_FROM_XENSTORE -> "VIR_FROM_XENSTORE"
323 | VIR_FROM_SEXPR -> "VIR_FROM_SEXPR"
324 | VIR_FROM_XML -> "VIR_FROM_XML"
325 | VIR_FROM_DOM -> "VIR_FROM_DOM"
326 | VIR_FROM_RPC -> "VIR_FROM_RPC"
327 | VIR_FROM_PROXY -> "VIR_FROM_PROXY"
328 | VIR_FROM_CONF -> "VIR_FROM_CONF"
329 | VIR_FROM_QEMU -> "VIR_FROM_QEMU"
330 | VIR_FROM_NET -> "VIR_FROM_NET"
331 | VIR_FROM_TEST -> "VIR_FROM_TEST"
332 | VIR_FROM_REMOTE -> "VIR_FROM_REMOTE"
337 message : string option;
339 conn : ro Connect.t option;
340 dom : ro Domain.t option;
341 str1 : string option;
342 str2 : string option;
343 str3 : string option;
346 net : ro Network.t option;
349 let to_string { code = code; domain = domain; message = message } =
350 let buf = Buffer.create 128 in
351 Buffer.add_string buf "libvirt: ";
352 Buffer.add_string buf (string_of_code code);
353 Buffer.add_string buf ": ";
354 Buffer.add_string buf (string_of_domain domain);
355 Buffer.add_string buf ": ";
356 (match message with Some msg -> Buffer.add_string buf msg | None -> ());
359 external get_last_error : unit -> t option = "ocaml_libvirt_virterror_get_last_error"
360 external get_last_conn_error : [>`R] Connect.t -> t option = "ocaml_libvirt_virterror_get_last_conn_error"
361 external reset_last_error : unit -> unit = "ocaml_libvirt_virterror_reset_last_error"
362 external reset_last_conn_error : [>`R] Connect.t -> unit = "ocaml_libvirt_virterror_reset_last_conn_error"
365 { code = VIR_ERR_OK; domain = VIR_FROM_NONE; message = None;
366 level = VIR_ERR_NONE; conn = None; dom = None;
367 str1 = None; str2 = None; str3 = None;
368 int1 = 0_l; int2 = 0_l; net = None }
371 exception Virterror of Virterror.t
373 (* Initialization. *)
374 external c_init : unit -> unit = "ocaml_libvirt_init"
376 Callback.register_exception
377 "ocaml_libvirt_virterror" (Virterror (Virterror.no_error ()));