Move programming information to libvirt generated doc.

[virt-top.git] / examples / node_info.ml

diff --git a/examples/node_info.ml b/examples/node_info.ml
new file mode 100644 (file)
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+++ b/examples/node_info.ml
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+(* Simple demo program showing node info.
+   Usage: node_info [URI]
+   (C) Copyright 2007 Richard W.M. Jones, Red Hat Inc.
+   http://libvirt.org/
+ *)
+
+open Printf
+
+module C = Libvirt.Connect
+
+let () =
+  try
+    let name =
+      if Array.length Sys.argv >= 2 then
+       Some (Sys.argv.(1))
+      else
+       None in
+    let conn = C.connect_readonly ?name () in
+
+    (* Get node_info, hostname, etc. *)
+    let node_info = C.get_node_info conn in
+
+    printf "model = %s\n" node_info.C.model;
+    printf "memory = %Ld K\n" node_info.C.memory;
+    printf "cpus = %d\n" node_info.C.cpus;
+    printf "mhz = %d\n" node_info.C.mhz;
+    printf "nodes = %d\n" node_info.C.nodes;
+    printf "sockets = %d\n" node_info.C.sockets;
+    printf "cores = %d\n" node_info.C.cores;
+    printf "threads = %d\n%!" node_info.C.threads;
+
+    let hostname = C.get_hostname conn in
+
+    printf "hostname = %s\n%!" hostname;
+
+    let uri = C.get_uri conn in
+
+    printf "uri = %s\n%!" uri
+
+  with
+    Libvirt.Virterror err ->
+      eprintf "error: %s\n" (Libvirt.Virterror.to_string err)
+
+let () =
+  (* Run the garbage collector which is a good way to check for
+   * memory corruption errors and reference counting issues in libvirt.
+   *)
+  Gc.compact ()