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- Finish implementing async setup for Python policies' access

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- Correct method names for the Python policy (design problem?)
- Compiles, but can't run it on this machine. I'll test it later
(and I expect quite a lot of SIGSEGVs).


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@382 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
tchernobog 2006-02-22 15:16:08 +00:00
parent 882a6acf5e
commit 8f655f2f69
8 changed files with 211 additions and 96 deletions
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47
src/backend/pyloader/python_policy_manager.cc
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@ -76,50 +76,7 @@ PythonPolicyManager::init()
// FIXME : Hardcoded policy name
char* policy_name = "fcfs";
PyObject* pLoadmeStr = PyString_FromString(policy_name);
PyObject* pUserPolicyModule = PyImport_Import(pLoadmeStr);
Py_DECREF(pLoadmeStr);
if( !pUserPolicyModule )
{
PyErr_Print(); // Error in import
// FIXME : don't exit abruptly, but fall back gracefully
exit(-1);
}
// Dictionary with defined ``symbols'' for .pyc file
PyObject* pUserPolicyDict = PyModule_GetDict(pUserPolicyModule);
assert(pUserPolicyDict);
// Loads ScriptAdapter module and get its dictionary
pLoadmeStr = PyString_FromString("ScriptAdapter");
PyObject* pScriptAdapterModule = PyImport_Import(pLoadmeStr);
Py_DECREF(pLoadmeStr);
assert(pScriptAdapterModule);
PyObject* pScriptAdapterDict = PyModule_GetDict(pScriptAdapterModule);
assert(pScriptAdapterDict);
// Now takes the user-defined policy class from pUserPolicyDict
PyObject* pPolicyClass = PyDict_GetItemString(pUserPolicyDict, policy_name);
assert(pPolicyClass); // FIXME needs stricter checking and exception throwing
// Creates a new object of type ScriptAdapter :
// takes init function from ScriptAdapter class
PyObject* pAdapterClass = PyDict_GetItemString(pScriptAdapterDict, "ScriptAdapter");
PyObject* pAdapterCtorParam = PyTuple_New(1);
Py_INCREF(pPolicyClass); // PyTuple_SetItem steals a reference
PyTuple_SetItem(pAdapterCtorParam, 0, pPolicyClass);
PyObject* pAdapterObject = PyInstance_New(pAdapterClass, pAdapterCtorParam, NULL);
// try code
PyObject_CallMethod(pAdapterObject, "async_configure", NULL);
PyThreadState *_save;
Py_UNBLOCK_THREADS
sleep(5); // hack'a'ton! magggggiccc nummmbeeerrrrrs!!
Py_BLOCK_THREADS
// And now, who's your daddy, huh?
PythonPolicy policy(policy_name);
policy.configure();
}