7:16 a.m.
An simple example to show to use it:
\#! /usr/bin/python
import os
import sys
import libvirt
disk = "/var/lib/libvirt/images/test.img"
conn = libvirt.open(None)
dom = conn.lookupByName('test')
mem_contents = dom.memoryPeek(0, 128, libvirt.VIR_MEMORY_VIRTUAL);
sys.stdout.write(mem_contents)
% python test.py | hexdump
0000000 1660 0209 0000 0000 0000 0000 0000 0000
0000010 0000 0000 0000 0000 d3a0 01d0 0000 0000
0000020
---
python/generator.py | 1 +
python/libvirt-override-api.xml | 17 +++++++++
python/libvirt-override.c | 75 +++++++++++++++++++++++++++++++++++++++
3 files changed, 93 insertions(+), 0 deletions(-)
diff --git a/python/generator.py b/python/generator.py
index 88c52b9..1657f4f 100755
--- a/python/generator.py
+++ b/python/generator.py
@@ -262,6 +262,7 @@ py_types = {
'unsigned char *': ('z', None, "charPtr", "char
*"),
'char *': ('z', None, "charPtr", "char *"),
'const char *': ('z', None, "charPtrConst", "const
char *"),
+ 'size_t': ('n', None, "size_t", "size_t"),
'virDomainPtr': ('O', "virDomain",
"virDomainPtr", "virDomainPtr"),
'const virDomainPtr': ('O', "virDomain",
"virDomainPtr", "virDomainPtr"),
diff --git a/python/libvirt-override-api.xml b/python/libvirt-override-api.xml
index 7c18763..2e0c7cb 100644
--- a/python/libvirt-override-api.xml
+++ b/python/libvirt-override-api.xml
@@ -405,5 +405,22 @@
<arg name='flags' type='unsigned int' info='an
OR'ed set of virDomainModificationImpact'/>
<return type='int' info='0 in case of success, -1 in case of
failure'/>
</function>
+ <function name='virDomainBlockPeek' file='python'>
+ <info>Read the contents of domain's disk device</info>
+ <arg name='dom' type='virDomainPtr' info='pointer to the
domain'/>
+ <arg name='disk' type='const char *' info='disk
name'/>
+ <arg name='offset' type='unsigned long long' info='offset
within block device'/>
+ <arg name='size' type='size_t' info='size to read'/>
+ <arg name='flags' type='unsigned int' info='unused, always
passed 0'/>
+ <return type='char *' info='the returned buffer or None in case of
error'/>
+ </function>
+ <function name='virDomainMemoryPeek' file='python'>
+ <info>Read the contents of domain's memory</info>
+ <arg name='dom' type='virDomainPtr' info='pointer to the
domain'/>
+ <arg name='start' type='unsigned long long' info='start of
memory to peek'/>
+ <arg name='size' type='size_t' info='size of memory to
peek'/>
+ <arg name='flags' type='unsigned int' info='an
OR'ed set of virDomainMemoryFlags'/>
+ <return type='char *' info='the returned buffer or None in case of
error'/>
+ </function>
</symbols>
</api>
diff --git a/python/libvirt-override.c b/python/libvirt-override.c
index 9e98918..64d7943 100644
--- a/python/libvirt-override.c
+++ b/python/libvirt-override.c
@@ -5017,6 +5017,79 @@ libvirt_virDomainMigrateGetMaxSpeed(PyObject *self
ATTRIBUTE_UNUSED, PyObject *a
return(py_retval);
}
+static PyObject *
+libvirt_virDomainBlockPeek(PyObject *self ATTRIBUTE_UNUSED,
+ PyObject *args) {
+ PyObject *py_retval = NULL;
+ int c_retval;
+ virDomainPtr domain;
+ PyObject *pyobj_domain;
+ const char *disk;
+ unsigned long long offset;
+ size_t size;
+ char *buf;
+ unsigned int flags;
+
+ if (!PyArg_ParseTuple(args, (char *)"OzLni:virDomainBlockPeek",
&pyobj_domain,
+ &disk, &offset, &size, &flags))
+ return(NULL);
+
+ domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
+
+ if ((buf = malloc(size)) == NULL)
+ return VIR_PY_NONE;
+
+ LIBVIRT_BEGIN_ALLOW_THREADS;
+ c_retval = virDomainBlockPeek(domain, disk, offset, size, buf, flags);
+ LIBVIRT_END_ALLOW_THREADS;
+
+ if (c_retval < 0)
+ goto cleanup;
+
+ py_retval = PyString_FromStringAndSize(buf, size);
+
+cleanup:
+ memset(buf, 0, size);
+ free(buf);
+ return py_retval;
+}
+
+static PyObject *
+libvirt_virDomainMemoryPeek(PyObject *self ATTRIBUTE_UNUSED,
+ PyObject *args) {
+ PyObject *py_retval = NULL;
+ int c_retval;
+ virDomainPtr domain;
+ PyObject *pyobj_domain;
+ unsigned long long start;
+ size_t size;
+ char *buf;
+ unsigned int flags;
+
+ if (!PyArg_ParseTuple(args, (char *)"OLni:virDomainMemoryPeek",
&pyobj_domain,
+ &start, &size, &flags))
+ return(NULL);
+
+ domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
+
+ if ((buf = malloc(size)) == NULL)
+ return VIR_PY_NONE;
+
+ LIBVIRT_BEGIN_ALLOW_THREADS;
+ c_retval = virDomainMemoryPeek(domain, start, size, buf, flags);
+ LIBVIRT_END_ALLOW_THREADS;
+
+ if (c_retval < 0)
+ goto cleanup;
+
+ py_retval = PyString_FromStringAndSize(buf, size);
+
+cleanup:
+ memset(buf, 0, size);
+ free(buf);
+ return py_retval;
+}
+
/************************************************************************
* *
* The registration stuff *
@@ -5112,6 +5185,8 @@ static PyMethodDef libvirtMethods[] = {
{(char *) "virDomainGetBlockIoTune", libvirt_virDomainGetBlockIoTune,
METH_VARARGS, NULL},
{(char *) "virDomainSendKey", libvirt_virDomainSendKey, METH_VARARGS,
NULL},
{(char *) "virDomainMigrateGetMaxSpeed",
libvirt_virDomainMigrateGetMaxSpeed, METH_VARARGS, NULL},
+ {(char *) "virDomainBlockPeek", libvirt_virDomainBlockPeek, METH_VARARGS,
NULL},
+ {(char *) "virDomainMemoryPeek", libvirt_virDomainMemoryPeek, METH_VARARGS,
NULL},
{NULL, NULL, 0, NULL}
};
--
1.7.1