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-rw-r--r--xlators/bindings/python/src/python.c222
1 files changed, 0 insertions, 222 deletions
diff --git a/xlators/bindings/python/src/python.c b/xlators/bindings/python/src/python.c
deleted file mode 100644
index 9b96790..0000000
--- a/xlators/bindings/python/src/python.c
+++ /dev/null
@@ -1,222 +0,0 @@
-/*
- Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-#include <Python.h>
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "glusterfs.h"
-#include "xlator.h"
-#include "logging.h"
-#include "defaults.h"
-
-typedef struct
-{
- char *scriptname;
- PyObject *pXlator;
- PyObject *pScriptModule;
- PyObject *pGlusterModule;
- PyThreadState *pInterp;
-
- PyObject *pFrameType, *pVectorType, *pFdType;
-} python_private_t;
-
-int32_t
-python_writev (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- struct iovec *vector,
- int32_t count,
- off_t offset)
-{
- python_private_t *priv = (python_private_t *)this->private;
- gf_log("python", GF_LOG_DEBUG, "In writev");
- if (PyObject_HasAttrString(priv->pXlator, "writev"))
- {
-
- PyObject *retval = PyObject_CallMethod(priv->pXlator, "writev",
- "O O O i l",
- PyObject_CallMethod(priv->pFrameType, "from_address", "O&", PyLong_FromVoidPtr, frame),
- PyObject_CallMethod(priv->pFdType, "from_address", "O&", PyLong_FromVoidPtr, fd),
- PyObject_CallMethod(priv->pVectorType, "from_address", "O&", PyLong_FromVoidPtr, vector),
- count,
- offset);
- if (PyErr_Occurred())
- {
- PyErr_Print();
- }
- Py_XDECREF(retval);
- }
- else
- {
- return default_writev(frame, this, fd, vector, count, offset);
- }
- return 0;
-}
-
-struct xlator_fops fops = {
- .writev = python_writev
-};
-
-static PyObject *
-AnonModule_FromFile (const char* fname)
-{
- // Get the builtins
- PyThreadState* pThread = PyThreadState_Get();
- PyObject *pBuiltins = pThread->interp->builtins;
-
- if (PyErr_Occurred())
- {
- PyErr_Print();
- return NULL;
- }
-
- // Create a new dictionary for running code in
- PyObject *pModuleDict = PyDict_New();
- PyDict_SetItemString(pModuleDict, "__builtins__", pBuiltins);
- Py_INCREF(pBuiltins);
-
- // Run the file in the new context
- FILE* fp = fopen(fname, "r");
- PyRun_File(fp, fname, Py_file_input, pModuleDict, pModuleDict);
- fclose(fp);
- if (PyErr_Occurred())
- {
- PyErr_Print();
- Py_DECREF(pModuleDict);
- Py_DECREF(pBuiltins);
- return NULL;
- }
-
- // Create an object to hold the new context
- PyRun_String("class ModuleWrapper(object):\n\tpass\n", Py_single_input, pModuleDict, pModuleDict);
- if (PyErr_Occurred())
- {
- PyErr_Print();
- Py_DECREF(pModuleDict);
- Py_DECREF(pBuiltins);
- return NULL;
- }
- PyObject *pModule = PyRun_String("ModuleWrapper()", Py_eval_input, pModuleDict, pModuleDict);
- if (PyErr_Occurred())
- {
- PyErr_Print();
- Py_DECREF(pModuleDict);
- Py_DECREF(pBuiltins);
- Py_XDECREF(pModule);
- return NULL;
- }
-
- // Set the new context's dictionary to the one we used to run the code
- // inside
- PyObject_SetAttrString(pModule, "__dict__", pModuleDict);
- if (PyErr_Occurred())
- {
- PyErr_Print();
- Py_DECREF(pModuleDict);
- Py_DECREF(pBuiltins);
- Py_DECREF(pModule);
- return NULL;
- }
-
- return pModule;
-}
-
-int32_t
-init (xlator_t *this)
-{
- // This is ok to call more than once per process
- Py_InitializeEx(0);
-
- if (!this->children) {
- gf_log ("python", GF_LOG_ERROR,
- "FATAL: python should have exactly one child");
- return -1;
- }
-
- python_private_t *priv = CALLOC (sizeof (python_private_t), 1);
- ERR_ABORT (priv);
-
- data_t *scriptname = dict_get (this->options, "scriptname");
- if (scriptname) {
- priv->scriptname = data_to_str(scriptname);
- } else {
- gf_log("python", GF_LOG_ERROR,
- "FATAL: python requires the scriptname parameter");
- return -1;
- }
-
- priv->pInterp = Py_NewInterpreter();
-
- // Adjust python's path
- PyObject *syspath = PySys_GetObject("path");
- PyObject *path = PyString_FromString(GLUSTER_PYTHON_PATH);
- PyList_Append(syspath, path);
- Py_DECREF(path);
-
- gf_log("python", GF_LOG_DEBUG,
- "Loading gluster module");
-
- priv->pGlusterModule = PyImport_ImportModule("gluster");
- if (PyErr_Occurred())
- {
- PyErr_Print();
- return -1;
- }
-
- priv->pFrameType = PyObject_GetAttrString(priv->pGlusterModule, "call_frame_t");
- priv->pFdType = PyObject_GetAttrString(priv->pGlusterModule, "fd_t");
- priv->pVectorType = PyObject_GetAttrString(priv->pGlusterModule, "iovec");
-
- gf_log("python", GF_LOG_DEBUG, "Loading script...%s", priv->scriptname);
-
- priv->pScriptModule = AnonModule_FromFile(priv->scriptname);
- if (!priv->pScriptModule || PyErr_Occurred())
- {
- gf_log("python", GF_LOG_ERROR, "Error loading %s", priv->scriptname);
- PyErr_Print();
- return -1;
- }
-
- if (!PyObject_HasAttrString(priv->pScriptModule, "xlator"))
- {
- gf_log("python", GF_LOG_ERROR, "%s does not have a xlator attribute", priv->scriptname);
- return -1;
- }
- gf_log("python", GF_LOG_DEBUG, "Instantiating translator");
- priv->pXlator = PyObject_CallMethod(priv->pScriptModule, "xlator", "O&",
- PyLong_FromVoidPtr, this);
- if (PyErr_Occurred() || !priv->pXlator)
- {
- PyErr_Print();
- return -1;
- }
-
- this->private = priv;
-
- gf_log ("python", GF_LOG_DEBUG, "python xlator loaded");
- return 0;
-}
-
-void
-fini (xlator_t *this)
-{
- python_private_t *priv = (python_private_t*)(this->private);
- Py_DECREF(priv->pXlator);
- Py_DECREF(priv->pScriptModule);
- Py_DECREF(priv->pGlusterModule);
- Py_DECREF(priv->pFrameType);
- Py_DECREF(priv->pFdType);
- Py_DECREF(priv->pVectorType);
- Py_EndInterpreter(priv->pInterp);
- return;
-}