[PATCH] [xend] Fix on-wire response for RPCs that return void

[Jim Fehlig <jfehlig@novell.com>]

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The legacy apis return a value of None on success, which was being 
converted to an illegal (as per Xen API spec) value of 'nil' in the 
xmlrpc response.  An example of the invalid on-wire response:

<methodResponse>
  <params>
    <param>
      <value>
        <struct>
          <member>
            <name>Status</name>
            <value><string>Success</string></value>
          </member>
          <member>
            <name>Value</name>
            <value><nil/></value>
          </member>
        </struct>
      </value>
    </param>
  </params>
</methodResponse>


The Xen IPI spec states that destroy, hard_shutdown, pause, resume, 
start, suspend, and unpause return void.  This patch makes it so and 
permits proper parsing of the response by clients (libxen) that follow 
the spec.

Jim


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# HG changeset patch
# User jfehlig@jfehlig2.provo.novell.com
# Date 1163805674 25200
# Node ID 5d168b8e743a432ba719dbb990e77164c58b080d
# Parent  f0ba459065d32b61c9d04ccde5787e48e23be782
The legacy apis return a value of None on success, which was being converted to a value of 'nil' in the xmlrpc response.
The Xen IPI spec states that destroy, hard_shutdown, pause, resume, start, suspend, and unpause return void.  This patch makes it so and permits proper parsing of the response by clients (libxen) that follow the spec.

Signed-off-by: Jim Fehlig <jfehlig@novell.com>

diff -r f0ba459065d3 -r 5d168b8e743a tools/python/xen/xend/XendAPI.py
--- a/tools/python/xen/xend/XendAPI.py	Thu Nov 16 18:47:28 2006 -0800
+++ b/tools/python/xen/xend/XendAPI.py	Fri Nov 17 16:21:14 2006 -0700
@@ -257,8 +257,8 @@ def do_vm_func(fn_name, vm_ref, *args):
     """
     xendom = XendDomain.instance()
     fn = getattr(xendom, fn_name)
-    return xen_api_success(xendom.do_legacy_api_with_uuid(
-        fn, vm_ref, *args))
+    xendom.do_legacy_api_with_uuid(fn, vm_ref, *args)
+    return xen_api_success_void()
 
 
 class XendAPI:

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