(* virsh-like command line tool.
(C) Copyright 2007 Richard W.M. Jones, Red Hat Inc.
http://libvirt.org/
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*)
-open ExtString
open Printf
module C = Libvirt.Connect
done;
Buffer.contents buf
+(* Split a string at a separator.
+ * Functions copied from extlib Copyright (C) 2003 Nicolas Cannasse et al.
+ * to avoid the explicit dependency on extlib.
+ *)
+let str_find str sub =
+ let sublen = String.length sub in
+ if sublen = 0 then
+ 0
+ else
+ let found = ref 0 in
+ let len = String.length str in
+ try
+ for i = 0 to len - sublen do
+ let j = ref 0 in
+ while String.unsafe_get str (i + !j) = String.unsafe_get sub !j do
+ incr j;
+ if !j = sublen then begin found := i; raise Exit; end;
+ done;
+ done;
+ raise Not_found
+ with
+ Exit -> !found
+
+let str_split str sep =
+ let p = str_find str sep in
+ let len = String.length sep in
+ let slen = String.length str in
+ String.sub str 0 p, String.sub str (p + len) (slen - p - len)
+
+let str_nsplit str sep =
+ if str = "" then []
+ else (
+ let rec nsplit str sep =
+ try
+ let s1 , s2 = str_split str sep in
+ s1 :: nsplit s2 sep
+ with
+ Not_found -> [str]
+ in
+ nsplit str sep
+ )
+
(* Hypervisor connection. *)
type conn_t = No_connection | RO of Libvirt.ro C.t | RW of Libvirt.rw C.t
let conn = ref No_connection
| [str1; str2] -> print (fn (arg1 str1) (Some (arg2 str2)))
| _ -> failwith "incorrect number of arguments for function"
in
+ let cmd012 print fn arg1 arg2 = function (* Command with 0, 1 or 2 args. *)
+ | [] -> print (fn None None)
+ | [str1] -> print (fn (Some (arg1 str1)) None)
+ | [str1; str2] -> print (fn (Some (arg1 str1)) (Some (arg2 str2)))
+ | _ -> failwith "incorrect number of arguments for function"
+ in
let cmdN print fn = (* Command with any number of args. *)
fun args -> print (fn args)
in
let cpumap =
String.make (C.cpumaplen (C.maxcpus_of_node_info info)) '\000' in
List.iter (C.use_cpu cpumap)
- (List.map int_of_string (String.nsplit str ","));
+ (List.map int_of_string (str_nsplit str ","));
cpumap
in
let no_return _ = () in
let print_int i = print_endline (string_of_int i) in
let print_int64 i = print_endline (Int64.to_string i) in
+ let print_int64_array a = Array.iter print_int64 a in
let print_bool b = print_endline (string_of_bool b) in
let print_version v =
let major = v / 1000000 in
cmd1 print_endline D.get_xml_desc
(arg_full_connection domain_of_string),
"Print the XML description of a domain.";
+ "freecell",
+ cmd012 print_int64_array (
+ fun start max ->
+ let conn = get_readonly_connection () in
+ match start, max with
+ | None, _ ->
+ [| C.node_get_free_memory conn |]
+ | Some start, None ->
+ C.node_get_cells_free_memory conn start 1
+ | Some start, Some max ->
+ C.node_get_cells_free_memory conn start max
+ ) int_of_string int_of_string,
+ "Display free memory for machine, NUMA cell or range of cells";
"get-autostart",
cmd1 print_bool D.get_autostart
(arg_readonly_connection domain_of_string),
| RW _ -> "mlvirsh# " in
print_string prompt;
let command = read_line () in
- (match String.nsplit command " " with
+ (match str_nsplit command " " with
| [] -> ()
| command :: args ->
do_command command args