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authorJelmer Vernooij <jelmer@samba.org>2008-05-25 16:26:34 +0200
committerJelmer Vernooij <jelmer@samba.org>2008-05-25 16:26:34 +0200
commit48433e4351701307e030ac8d596cc00a0ce969e3 (patch)
treede36733d248db09b0aae3d33fb930c16d8c8fd98 /source4/lib
parent521354e4b328af321ee223a77339bc045c074d18 (diff)
downloadsamba-48433e4351701307e030ac8d596cc00a0ce969e3.tar.gz
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Start building IRPC Python support.
(This used to be commit 5980c7bfd727825758bda1b94ddf7a7c3f691620)
Diffstat (limited to 'source4/lib')
-rw-r--r--source4/lib/messaging/config.mk14
-rw-r--r--source4/lib/messaging/pyirpc.c270
2 files changed, 240 insertions, 44 deletions
diff --git a/source4/lib/messaging/config.mk b/source4/lib/messaging/config.mk
index eaf7e3581e..f330ed7cab 100644
--- a/source4/lib/messaging/config.mk
+++ b/source4/lib/messaging/config.mk
@@ -1,6 +1,3 @@
-
-################################################
-# Start SUBSYSTEM MESSAGING
[SUBSYSTEM::MESSAGING]
PUBLIC_DEPENDENCIES = \
LIBSAMBA-UTIL \
@@ -9,8 +6,13 @@ PUBLIC_DEPENDENCIES = \
UNIX_PRIVS \
UTIL_TDB \
CLUSTER \
- LIBNDR
-# End SUBSYSTEM MESSAGING
-################################################
+ LIBNDR \
+ samba-socket
MESSAGING_OBJ_FILES = $(libmessagingsrcdir)/messaging.o
+
+[PYTHON::python_irpc]
+LIBRARY_REALNAME = samba/irpc.$(SHLIBEXT)
+PRIVATE_DEPENDENCIES = MESSAGING LIBEVENTS
+
+python_irpc_OBJ_FILES = $(libmessagingsrcdir)/pyirpc.o
diff --git a/source4/lib/messaging/pyirpc.c b/source4/lib/messaging/pyirpc.c
index 8f6a8b6c72..ba3f830531 100644
--- a/source4/lib/messaging/pyirpc.c
+++ b/source4/lib/messaging/pyirpc.c
@@ -21,21 +21,182 @@
#include "includes.h"
#include <Python.h>
+#include "libcli/util/pyerrors.h"
#include "lib/messaging/irpc.h"
+#include "lib/events/events.h"
+#include "cluster/cluster.h"
+#include "param/param.h"
+PyAPI_DATA(PyTypeObject) messaging_Type;
+PyAPI_DATA(PyTypeObject) irpc_InterfaceType;
/*
messaging clients need server IDs as well ...
*/
-#define EJS_ID_BASE 0x30000000
+#define PY_ID_BASE 0x30000000
+
+typedef struct {
+ PyObject_HEAD
+ TALLOC_CTX *mem_ctx;
+ struct messaging_context *msg_ctx;
+} messaging_Object;
+
+PyObject *py_messaging_connect(PyTypeObject *self, PyObject *args, PyObject *kwargs)
+{
+ int i;
+ struct event_context *ev;
+ const char *kwnames[] = { "messaging_path", NULL };
+ const char *messaging_path = NULL;
+ messaging_Object *ret;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s:connect",
+ discard_const_p(char *, kwnames), &messaging_path)) {
+ return NULL;
+ }
+
+ ret = PyObject_New(messaging_Object, &messaging_Type);
+ if (ret == NULL)
+ return NULL;
+
+ ret->mem_ctx = talloc_new(NULL);
+
+ ev = event_context_init(ret->mem_ctx);
+
+ if (messaging_path == NULL) {
+ messaging_path = lp_messaging_path(ret, global_loadparm);
+ } else {
+ messaging_path = talloc_strdup(ret->mem_ctx, messaging_path);
+ }
+
+ /* create a messaging context, looping as we have no way to
+ allocate temporary server ids automatically */
+ for (i=0;i<10000;i++) {
+ ret->msg_ctx = messaging_init(ret->mem_ctx,
+ messaging_path,
+ cluster_id(PY_ID_BASE, i),
+ lp_iconv_convenience(global_loadparm),
+ ev);
+ if (ret->msg_ctx) break;
+ }
+
+ if (ret->msg_ctx == NULL) {
+ PyErr_SetString(PyExc_RuntimeError, "messaging_connect unable to create a messaging context");
+ talloc_free(ret->mem_ctx);
+ return NULL;
+ }
+
+ return (PyObject *)ret;
+}
+
+static void py_messaging_dealloc(PyObject *self)
+{
+ messaging_Object *iface = (messaging_Object *)self;
+ talloc_free(iface->msg_ctx);
+ PyObject_Del(self);
+}
+
+static bool server_id_from_py(PyObject *object, struct server_id *server_id)
+{
+ if (!PyTuple_Check(object)) {
+ PyErr_SetString(PyExc_ValueError, "Expected tuple");
+ return false;
+ }
+
+ return PyArg_ParseTuple(object, "iii", &server_id->id, &server_id->id2, &server_id->node);
+}
+
+static PyObject *py_messaging_send(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ messaging_Object *iface = (messaging_Object *)self;
+ int msg_type;
+ DATA_BLOB data;
+ PyObject *target;
+ NTSTATUS status;
+ struct server_id server;
+ const char *kwnames[] = { "target", "msg_type", "data", NULL };
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "Ois#|:send",
+ discard_const_p(char *, kwnames), &target, &msg_type, &data.data, &data.length)) {
+ return NULL;
+ }
+
+ if (!server_id_from_py(target, &server))
+ return NULL;
+
+ status = messaging_send(iface->msg_ctx, server, msg_type, &data);
+ if (NT_STATUS_IS_ERR(status)) {
+ PyErr_SetNTSTATUS(status);
+ return NULL;
+ }
+
+ return Py_None;
+}
+
+static void py_msg_callback_wrapper(struct messaging_context *msg, void *private,
+ uint32_t msg_type,
+ struct server_id server_id, DATA_BLOB *data)
+{
+ PyObject *callback = (PyObject *)private;
+
+ PyObject_CallFunction(callback, discard_const_p(char, "i(iii)s#"), msg_type,
+ server_id.id, server_id.id2, server_id.node,
+ data->data, data->length);
+}
+
+static PyObject *py_messaging_register(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ messaging_Object *iface = (messaging_Object *)self;
+ int msg_type;
+ PyObject *callback;
+ NTSTATUS status;
+ const char *kwnames[] = { "msg_type", "callback", NULL };
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "iO|:send",
+ discard_const_p(char *, kwnames), &msg_type, &callback)) {
+ return NULL;
+ }
+
+ Py_INCREF(callback);
+
+ status = messaging_register(iface->msg_ctx, callback,
+ msg_type, py_msg_callback_wrapper);
+ if (NT_STATUS_IS_ERR(status)) {
+ PyErr_SetNTSTATUS(status);
+ return NULL;
+ }
+
+ return Py_None;
+}
+
+
+static PyMethodDef py_messaging_methods[] = {
+ { "send", (PyCFunction)py_messaging_send, METH_VARARGS|METH_KEYWORDS,
+ "S.send(target, msg_type, data) -> None\nSend a message" },
+ { "register", (PyCFunction)py_messaging_register, METH_VARARGS|METH_KEYWORDS,
+ "S.register(msg_type, callback) -> None\nRegister a message handler" },
+ { NULL, NULL, 0, NULL }
+};
+
+PyTypeObject messaging_Type = {
+ PyObject_HEAD_INIT(NULL) 0,
+ .tp_name = "irpc.Messaging",
+ .tp_basicsize = sizeof(messaging_Object),
+ .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
+ .tp_new = py_messaging_connect,
+ .tp_dealloc = py_messaging_dealloc,
+ .tp_methods = py_messaging_methods,
+};
+
/*
state of a irpc 'connection'
*/
-struct ejs_irpc_connection {
+typedef struct {
+ PyObject_HEAD
const char *server_name;
struct server_id *dest_ids;
struct messaging_context *msg_ctx;
-};
+ TALLOC_CTX *mem_ctx;
+} irpc_InterfaceObject;
/*
setup a context for talking to a irpc server
@@ -43,58 +204,77 @@ struct ejs_irpc_connection {
status = irpc.connect("smb_server");
*/
-PyObject *py_irpc_connect(PyObject *args, PyObjet *kwargs)
+PyObject *py_irpc_connect(PyTypeObject *self, PyObject *args, PyObject *kwargs)
{
- NTSTATUS status;
int i;
struct event_context *ev;
- struct ejs_irpc_connection *p;
- struct MprVar *this = mprGetProperty(ejsGetLocalObject(eid), "this", 0);
+ const char *kwnames[] = { "server", "messaging_path", NULL };
+ char *server;
+ const char *messaging_path = NULL;
+ irpc_InterfaceObject *ret;
- /* validate arguments */
- if (argc != 1) {
- ejsSetErrorMsg(eid, "rpc_connect invalid arguments");
- return -1;
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|s:connect",
+ discard_const_p(char *, kwnames), &server, &messaging_path)) {
+ return NULL;
}
- p = talloc(this, struct ejs_irpc_connection);
- if (p == NULL) {
- return -1;
- }
+ ret = PyObject_New(irpc_InterfaceObject, &irpc_InterfaceType);
+ if (ret == NULL)
+ return NULL;
+
+ ret->mem_ctx = talloc_new(NULL);
- p->server_name = argv[0];
+ ret->server_name = server;
- ev = mprEventCtx();
+ ev = event_context_init(ret->mem_ctx);
+
+ if (messaging_path == NULL) {
+ messaging_path = lp_messaging_path(ret, global_loadparm);
+ }
/* create a messaging context, looping as we have no way to
allocate temporary server ids automatically */
for (i=0;i<10000;i++) {
- p->msg_ctx = messaging_init(p,
- lp_messaging_path(p, mprLpCtx()),
- cluster_id(EJS_ID_BASE, i),
- lp_iconv_convenience(mprLpCtx()),
+ ret->msg_ctx = messaging_init(ret->mem_ctx,
+ messaging_path,
+ cluster_id(PY_ID_BASE, i),
+ lp_iconv_convenience(global_loadparm),
ev);
- if (p->msg_ctx) break;
+ if (ret->msg_ctx) break;
}
- if (p->msg_ctx == NULL) {
- ejsSetErrorMsg(eid, "irpc_connect unable to create a messaging context");
- talloc_free(p);
- return -1;
+ if (ret->msg_ctx == NULL) {
+ PyErr_SetString(PyExc_RuntimeError, "irpc_connect unable to create a messaging context");
+ talloc_free(ret->mem_ctx);
+ return NULL;
}
- p->dest_ids = irpc_servers_byname(p->msg_ctx, p, p->server_name);
- if (p->dest_ids == NULL || p->dest_ids[0].id == 0) {
- talloc_free(p);
- status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ ret->dest_ids = irpc_servers_byname(ret->msg_ctx, ret->mem_ctx, ret->server_name);
+ if (ret->dest_ids == NULL || ret->dest_ids[0].id == 0) {
+ talloc_free(ret->mem_ctx);
+ PyErr_SetNTSTATUS(NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ return NULL;
} else {
- mprSetPtrChild(this, "irpc", p);
- status = NT_STATUS_OK;
+ return (PyObject *)ret;
}
+}
- mpr_Return(eid, mprNTSTATUS(status));
- return 0;
+static void py_irpc_dealloc(PyObject *self)
+{
+ irpc_InterfaceObject *iface = (irpc_InterfaceObject *)self;
+ talloc_free(iface->mem_ctx);
+ PyObject_Del(self);
}
+PyTypeObject irpc_InterfaceType = {
+ PyObject_HEAD_INIT(NULL) 0,
+ .tp_name = "irpc.ClientConnection",
+ .tp_basicsize = sizeof(irpc_InterfaceObject),
+ .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
+ .tp_new = py_irpc_connect,
+ .tp_dealloc = py_irpc_dealloc,
+};
+
+#if 0
/*
make an irpc call - called via the same interface as rpc
*/
@@ -192,11 +372,25 @@ done:
}
return 0;
}
+#endif
-
-
-static void initirpc(void)
+void initirpc(void)
{
PyObject *mod;
- mod = Py_InitModule("irpc", irpc_methods);
+
+ if (PyType_Ready(&irpc_InterfaceType) < 0)
+ return;
+
+ if (PyType_Ready(&messaging_Type) < 0)
+ return;
+
+ mod = Py_InitModule3("irpc", NULL, "Internal RPC");
+ if (mod == NULL)
+ return;
+
+ Py_INCREF((PyObject *)&irpc_InterfaceType);
+ PyModule_AddObject(mod, "ClientConnection", (PyObject *)&irpc_InterfaceType);
+
+ Py_INCREF((PyObject *)&messaging_Type);
+ PyModule_AddObject(mod, "Messaging", (PyObject *)&messaging_Type);
}