Extend the list of xc() object methods with additional one to display
Xen's buildid. The implementation follows the libxl implementation
(e.g. max buildid size assumption being XC_PAGE_SIZE).
Signed-off-by: Pawel Wieczorkiewicz <wipa...@amazon.de>
Reviewed-by: Martin Mazein <amaz...@amazon.de>
Reviewed-by: Andra-Irina Paraschiv <andra...@amazon.com>
Reviewed-by: Norbert Manthey <nmant...@amazon.de>
CC: Marek Marczykowski-Gorecki <marma...@invisiblethingslab.com>
---
tools/python/xen/lowlevel/xc/xc.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/tools/python/xen/lowlevel/xc/xc.c
b/tools/python/xen/lowlevel/xc/xc.c
index cc8175a11e..66db18ec3a 100644
--- a/tools/python/xen/lowlevel/xc/xc.c
+++ b/tools/python/xen/lowlevel/xc/xc.c
@@ -1202,6 +1202,26 @@ out:
return ret_obj ? ret_obj : pyxc_error_to_exception(self->xc_handle);
}
+static PyObject *pyxc_xenbuildid(XcObject *self)
+{
+ xen_build_id_t *buildid;
+ int i, r;
+ char *str;
+
+ buildid = alloca(sizeof(buildid->len) + XC_PAGE_SIZE);
+ buildid->len = XC_PAGE_SIZE - sizeof(*buildid);
+
+ r = xc_version(self->xc_handle, XENVER_build_id, buildid);
+ if ( r <= 0 )
+ return pyxc_error_to_exception(self->xc_handle);
+
+ str = alloca((r * 2) + 1);
+ for ( i = 0; i < r; i++ )
+ snprintf(&str[i * 2], 3, "%02hhx", buildid->buf[i]);
+
+ return Py_BuildValue("s", str);
+}
+
static PyObject *pyxc_xeninfo(XcObject *self)
{
xen_extraversion_t xen_extra;
@@ -2350,6 +2370,13 @@ static PyMethodDef pyxc_methods[] = {
"Returns [dict]: information about Xen"
" [None]: on failure.\n" },
+ { "buildid",
+ (PyCFunction)pyxc_xenbuildid,
+ METH_NOARGS, "\n"
+ "Get Xen buildid\n"
+ "Returns [str]: Xen buildid"
+ " [None]: on failure.\n" },
+
{ "shadow_control",
(PyCFunction)pyxc_shadow_control,
METH_VARARGS | METH_KEYWORDS, "\n"
--
2.16.5
Amazon Development Center Germany GmbH
Krausenstr. 38
10117 Berlin
Geschaeftsfuehrer: Christian Schlaeger, Ralf Herbrich
Ust-ID: DE 289 237 879
Eingetragen am Amtsgericht Charlottenburg HRB 149173 B
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