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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] As with xs.c, change the module interface to match the current Python/C
# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 87b520c30cb250b737e30a7bad98ed40be38acae
# Parent 52f80621b8899b2c464135ba14f70aff434e2470
As with xs.c, change the module interface to match the current Python/C
tutorial, simplifying the interface here, and making it more conventional.
Signed-off-by: Ewan Mellor <ewan@xxxxxxxxxxxxx>
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/lowlevel/xc/xc.c
--- a/tools/python/xen/lowlevel/xc/xc.c Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/lowlevel/xc/xc.c Mon Nov 21 17:46:09 2005
@@ -23,7 +23,8 @@
#define PyMODINIT_FUNC DL_EXPORT(void)
#endif
-#define XENPKG "xen.lowlevel.xc"
+#define PKG "xen.lowlevel.xc"
+#define CLS "xc"
static PyObject *xc_error, *zero;
@@ -1055,81 +1056,109 @@
};
-/*
- * Definitions for the 'Xc' module wrapper.
- */
-
-staticforward PyTypeObject PyXcType;
-
-static PyObject *PyXc_new(PyObject *self, PyObject *args)
-{
- XcObject *xc;
-
- if ( !PyArg_ParseTuple(args, ":new") )
- return NULL;
-
- xc = PyObject_New(XcObject, &PyXcType);
-
- if ( (xc->xc_handle = xc_interface_open()) == -1 )
- {
- PyObject_Del((PyObject *)xc);
- return PyErr_SetFromErrno(xc_error);
+static PyObject *PyXc_getattr(PyObject *obj, char *name)
+{
+ return Py_FindMethod(pyxc_methods, obj, name);
+}
+
+static PyObject *PyXc_new(PyTypeObject *type, PyObject *args)
+{
+ XcObject *self = (XcObject *)type->tp_alloc(type, 0);
+
+ if (self == NULL)
+ return NULL;
+
+ self->xc_handle = NULL;
+
+ return (PyObject *)self;
+}
+
+static int
+PyXc_init(XcObject *self, PyObject *args, PyObject *kwds)
+{
+ if ((self->xc_handle = xc_interface_open()) == -1) {
+ PyErr_SetFromErrno(PyExc_RuntimeError);
+ return -1;
}
- return (PyObject *)xc;
-}
-
-static PyObject *PyXc_getattr(PyObject *obj, char *name)
-{
- return Py_FindMethod(pyxc_methods, obj, name);
-}
-
-static void PyXc_dealloc(PyObject *self)
-{
- XcObject *xc = (XcObject *)self;
- (void)xc_interface_close(xc->xc_handle);
- PyObject_Del(self);
+ return 0;
+}
+
+static void PyXc_dealloc(XcObject *self)
+{
+ if (self->xc_handle) {
+ xc_interface_close(self->xc_handle);
+ self->xc_handle = NULL;
+ }
+
+ self->ob_type->tp_free((PyObject *)self);
}
static PyTypeObject PyXcType = {
- PyObject_HEAD_INIT(&PyType_Type)
+ PyObject_HEAD_INIT(NULL)
0,
- "Xc",
+ PKG "." CLS,
sizeof(XcObject),
0,
- PyXc_dealloc, /* tp_dealloc */
- NULL, /* tp_print */
- PyXc_getattr, /* tp_getattr */
- NULL, /* tp_setattr */
- NULL, /* tp_compare */
- NULL, /* tp_repr */
- NULL, /* tp_as_number */
- NULL, /* tp_as_sequence */
- NULL, /* tp_as_mapping */
- NULL /* tp_hash */
+ (destructor)PyXc_dealloc, /* tp_dealloc */
+ NULL, /* tp_print */
+ PyXc_getattr, /* tp_getattr */
+ NULL, /* tp_setattr */
+ NULL, /* tp_compare */
+ NULL, /* tp_repr */
+ NULL, /* tp_as_number */
+ NULL, /* tp_as_sequence */
+ NULL, /* tp_as_mapping */
+ NULL, /* tp_hash */
+ NULL, /* tp_call */
+ NULL, /* tp_str */
+ NULL, /* tp_getattro */
+ NULL, /* tp_setattro */
+ NULL, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT, /* tp_flags */
+ "Xen client connections", /* tp_doc */
+ NULL, /* tp_traverse */
+ NULL, /* tp_clear */
+ NULL, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ NULL, /* tp_iter */
+ NULL, /* tp_iternext */
+ pyxc_methods, /* tp_methods */
+ NULL, /* tp_members */
+ NULL, /* tp_getset */
+ NULL, /* tp_base */
+ NULL, /* tp_dict */
+ NULL, /* tp_descr_get */
+ NULL, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ (initproc)PyXc_init, /* tp_init */
+ NULL, /* tp_alloc */
+ PyXc_new, /* tp_new */
};
-static PyMethodDef PyXc_methods[] = {
- { "new", PyXc_new, METH_VARARGS, "Create a new " XENPKG " object." },
- { NULL, NULL, 0, NULL }
-};
+static PyMethodDef xc_methods[] = { { NULL } };
PyMODINIT_FUNC initxc(void)
{
- PyObject *m, *d;
-
- m = Py_InitModule(XENPKG, PyXc_methods);
-
- d = PyModule_GetDict(m);
- xc_error = PyErr_NewException(XENPKG ".error", NULL, NULL);
- PyDict_SetItemString(d, "error", xc_error);
- PyDict_SetItemString(d, "VIRQ_DOM_EXC", PyInt_FromLong(VIRQ_DOM_EXC));
-
+ PyObject *m;
+
+ if (PyType_Ready(&PyXcType) < 0)
+ return;
+
+ m = Py_InitModule(PKG, PyXc_methods);
+
+ if (m == NULL)
+ return;
+
+ xc_error = PyErr_NewException(PKG ".error", NULL, NULL);
zero = PyInt_FromLong(0);
/* KAF: This ensures that we get debug output in a timely manner. */
setbuf(stdout, NULL);
setbuf(stderr, NULL);
+
+ Py_INCREF(&PyXcType);
+ PyModule_AddObject(m, CLS, (PyObject *)&PyXcType);
}
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/xend/XendCheckpoint.py
--- a/tools/python/xen/xend/XendCheckpoint.py Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/xend/XendCheckpoint.py Mon Nov 21 17:46:09 2005
@@ -33,7 +33,7 @@
sizeof_unsigned_long = calcsize("L")
-xc = xen.lowlevel.xc.new()
+xc = xen.lowlevel.xc.xc()
def write_exact(fd, buf, errmsg):
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/xend/XendDmesg.py
--- a/tools/python/xen/xend/XendDmesg.py Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/xend/XendDmesg.py Mon Nov 21 17:46:09 2005
@@ -22,7 +22,7 @@
class XendDmesg:
def __init__(self):
- self.xc = xen.lowlevel.xc.new()
+ self.xc = xen.lowlevel.xc.xc()
def info(self):
return self.xc.readconsolering()
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/xend/XendDomain.py
--- a/tools/python/xen/xend/XendDomain.py Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/xend/XendDomain.py Mon Nov 21 17:46:09 2005
@@ -39,7 +39,7 @@
from xen.xend.xenstore.xswatch import xswatch
-xc = xen.lowlevel.xc.new()
+xc = xen.lowlevel.xc.xc()
xroot = XendRoot.instance()
@@ -201,7 +201,7 @@
"%d. Destroying it in the hope of "
"recovery.", d)
try:
- xc.domain_destroy(dom = d)
+ xc.domain_destroy(d)
except:
log.exception('Destruction of %d failed.', d)
@@ -378,7 +378,7 @@
val = dominfo.destroy()
else:
try:
- val = xc.domain_destroy(dom=domid)
+ val = xc.domain_destroy(domid)
except Exception, ex:
raise XendError(str(ex))
return val
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/xend/XendDomainInfo.py Mon Nov 21 17:46:09 2005
@@ -93,7 +93,7 @@
RESTART_IN_PROGRESS = 'xend/restart_in_progress'
-xc = xen.lowlevel.xc.new()
+xc = xen.lowlevel.xc.xc()
xroot = XendRoot.instance()
log = logging.getLogger("xend.XendDomainInfo")
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/xend/XendNode.py
--- a/tools/python/xen/xend/XendNode.py Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/xend/XendNode.py Mon Nov 21 17:46:09 2005
@@ -28,7 +28,7 @@
class XendNode:
def __init__(self):
- self.xc = xen.lowlevel.xc.new()
+ self.xc = xen.lowlevel.xc.xc()
def shutdown(self):
return 0
@@ -40,7 +40,7 @@
return 0
def cpu_bvt_slice_set(self, ctx_allow):
- return self.xc.bvtsched_global_set(ctx_allow=ctx_allow)
+ return self.xc.bvtsched_global_set(ctx_allow)
def cpu_bvt_slice_get(self):
return self.xc.bvtsched_global_get()
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/xend/image.py
--- a/tools/python/xen/xend/image.py Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/xend/image.py Mon Nov 21 17:46:09 2005
@@ -27,7 +27,7 @@
from xen.xend.server.netif import randomMAC
-xc = xen.lowlevel.xc.new()
+xc = xen.lowlevel.xc.xc()
MAX_GUEST_CMDLINE = 1024
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/xend/server/SrvDaemon.py
--- a/tools/python/xen/xend/server/SrvDaemon.py Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/xend/server/SrvDaemon.py Mon Nov 21 17:46:09 2005
@@ -267,7 +267,7 @@
try:
log.info("Xend Daemon started")
- xc = xen.lowlevel.xc.new()
+ xc = xen.lowlevel.xc.xc()
xinfo = xc.xeninfo()
log.info("Xend changeset: %s.", xinfo['xen_changeset'])
del xc
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/xend/server/iopif.py
--- a/tools/python/xen/xend/server/iopif.py Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/xend/server/iopif.py Mon Nov 21 17:46:09 2005
@@ -28,7 +28,7 @@
from xen.xend.server.DevController import DevController
-xc = xen.lowlevel.xc.new()
+xc = xen.lowlevel.xc.xc()
def parse_ioport(val):
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/xend/server/pciif.py
--- a/tools/python/xen/xend/server/pciif.py Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/xend/server/pciif.py Mon Nov 21 17:46:09 2005
@@ -27,7 +27,7 @@
from xen.xend.server.DevController import DevController
-xc = xen.lowlevel.xc.new()
+xc = xen.lowlevel.xc.xc()
def parse_pci(val):
diff -r 52f80621b889 -r 87b520c30cb2 tools/python/xen/xm/create.py
--- a/tools/python/xen/xm/create.py Mon Nov 21 17:34:25 2005
+++ b/tools/python/xen/xm/create.py Mon Nov 21 17:46:09 2005
@@ -849,7 +849,7 @@
timeout = 20 # 2s
ret = 1
- xc = xen.lowlevel.xc.new()
+ xc = xen.lowlevel.xc.xc()
free_mem = xc.physinfo()['free_pages'] / 256
domU_need_mem = opts.vals.memory + SLACK
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