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Commit 164d651a authored by JINMEI Tatuya's avatar JINMEI Tatuya
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[master] Merge branch 'trac1359'

parents 09f6d628 21887dff
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Showing with 123 additions and 96 deletions
src/lib/python/isc/log/log.cc
View file @ 164d651a
......@@ -303,7 +303,8 @@ public:
extern PyTypeObject logger_type;
int
Logger_init(LoggerWrapper* self, PyObject* args) {
Logger_init(PyObject* po_self, PyObject* args, PyObject*) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
const char* name;
if (!PyArg_ParseTuple(args, "s", &name)) {
return (-1);
......@@ -323,7 +324,9 @@ Logger_init(LoggerWrapper* self, PyObject* args) {
}
void
Logger_destroy(LoggerWrapper* const self) {
//Logger_destroy(LoggerWrapper* const self) {
Logger_destroy(PyObject* po_self) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
delete self->logger_;
self->logger_ = NULL;
Py_TYPE(self)->tp_free(self);
......@@ -351,7 +354,8 @@ severityToText(const Severity& severity) {
}
PyObject*
Logger_getEffectiveSeverity(LoggerWrapper* self, PyObject*) {
Logger_getEffectiveSeverity(PyObject* po_self, PyObject*) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
try {
return (Py_BuildValue("s",
severityToText(
......@@ -368,7 +372,8 @@ Logger_getEffectiveSeverity(LoggerWrapper* self, PyObject*) {
}
PyObject*
Logger_getEffectiveDebugLevel(LoggerWrapper* self, PyObject*) {
Logger_getEffectiveDebugLevel(PyObject* po_self, PyObject*) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
try {
return (Py_BuildValue("i", self->logger_->getEffectiveDebugLevel()));
}
......@@ -383,7 +388,8 @@ Logger_getEffectiveDebugLevel(LoggerWrapper* self, PyObject*) {
}
PyObject*
Logger_setSeverity(LoggerWrapper* self, PyObject* args) {
Logger_setSeverity(PyObject* po_self, PyObject* args) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
const char* severity;
int dbgLevel = 0;
if (!PyArg_ParseTuple(args, "z|i", &severity, &dbgLevel)) {
......@@ -425,27 +431,32 @@ Logger_isLevelEnabled(LoggerWrapper* self, FPtr function) {
}
PyObject*
Logger_isInfoEnabled(LoggerWrapper* self, PyObject*) {
Logger_isInfoEnabled(PyObject* po_self, PyObject*) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
return (Logger_isLevelEnabled(self, &Logger::isInfoEnabled));
}
PyObject*
Logger_isWarnEnabled(LoggerWrapper* self, PyObject*) {
Logger_isWarnEnabled(PyObject* po_self, PyObject*) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
return (Logger_isLevelEnabled(self, &Logger::isWarnEnabled));
}
PyObject*
Logger_isErrorEnabled(LoggerWrapper* self, PyObject*) {
Logger_isErrorEnabled(PyObject* po_self, PyObject*) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
return (Logger_isLevelEnabled(self, &Logger::isErrorEnabled));
}
PyObject*
Logger_isFatalEnabled(LoggerWrapper* self, PyObject*) {
Logger_isFatalEnabled(PyObject* po_self, PyObject*) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
return (Logger_isLevelEnabled(self, &Logger::isFatalEnabled));
}
PyObject*
Logger_isDebugEnabled(LoggerWrapper* self, PyObject* args) {
Logger_isDebugEnabled(PyObject* po_self, PyObject* args) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
int level = MIN_DEBUG_LEVEL;
if (!PyArg_ParseTuple(args, "|i", &level)) {
return (NULL);
......@@ -470,53 +481,39 @@ Logger_isDebugEnabled(LoggerWrapper* self, PyObject* args) {
string
objectToStr(PyObject* object, bool convert) {
PyObject* cleanup(NULL);
PyObjectContainer objstr_container;
if (convert) {
object = cleanup = PyObject_Str(object);
if (object == NULL) {
PyObject* text_obj = PyObject_Str(object);
if (text_obj == NULL) {
// PyObject_Str could fail for various reasons, including because
// the object cannot be converted to a string. We exit with
// InternalError to preserve the PyErr set in PyObject_Str.
throw InternalError();
}
}
const char* value;
PyObject* tuple(Py_BuildValue("(O)", object));
if (tuple == NULL) {
if (cleanup != NULL) {
Py_DECREF(cleanup);
}
throw InternalError();
objstr_container.reset(text_obj);
object = objstr_container.get();
}
if (!PyArg_ParseTuple(tuple, "s", &value)) {
Py_DECREF(tuple);
if (cleanup != NULL) {
Py_DECREF(cleanup);
}
PyObjectContainer tuple_container(Py_BuildValue("(O)", object));
const char* value;
if (!PyArg_ParseTuple(tuple_container.get(), "s", &value)) {
throw InternalError();
}
string result(value);
Py_DECREF(tuple);
if (cleanup != NULL) {
Py_DECREF(cleanup);
}
return (result);
return (string(value));
}
// Generic function to output the logging message. Called by the real functions.
template<class Function>
template <class Function>
PyObject*
Logger_performOutput(Function function, PyObject* args, bool dbgLevel) {
try {
Py_ssize_t number(PyObject_Length(args));
const Py_ssize_t number(PyObject_Length(args));
if (number < 0) {
return (NULL);
}
// Which argument is the first to format?
size_t start(1);
if (dbgLevel) {
start ++;
}
const size_t start = dbgLevel ? 2 : 1;
if (number < start) {
return (PyErr_Format(PyExc_TypeError, "Too few arguments to "
"logging call, at least %zu needed and %zd "
......@@ -524,18 +521,10 @@ Logger_performOutput(Function function, PyObject* args, bool dbgLevel) {
}
// Extract the fixed arguments
PyObject *midO(PySequence_GetItem(args, start - 1));
if (midO == NULL) {
return (NULL);
}
string mid(objectToStr(midO, false));
long dbg(0);
if (dbgLevel) {
PyObject *dbgO(PySequence_GetItem(args, 0));
if (dbgO == NULL) {
return (NULL);
}
dbg = PyLong_AsLong(dbgO);
PyObjectContainer dbg_container(PySequence_GetItem(args, 0));
dbg = PyLong_AsLong(dbg_container.get());
if (PyErr_Occurred()) {
return (NULL);
}
......@@ -544,16 +533,16 @@ Logger_performOutput(Function function, PyObject* args, bool dbgLevel) {
// We create the logging message right now. If we fail to convert a
// parameter to string, at least the part that we already did will
// be output
PyObjectContainer msgid_container(PySequence_GetItem(args, start - 1));
const string mid(objectToStr(msgid_container.get(), false));
Logger::Formatter formatter(function(dbg, mid.c_str()));
// Now process the rest of parameters, convert each to string and put
// into the formatter. It will print itself in the end.
for (size_t i(start); i < number; ++ i) {
PyObject* param(PySequence_GetItem(args, i));
if (param == NULL) {
return (NULL);
}
formatter = formatter.arg(objectToStr(param, true));
PyObjectContainer param_container(PySequence_GetItem(args, i));
formatter = formatter.arg(objectToStr(param_container.get(),
true));
}
Py_RETURN_NONE;
}
......@@ -573,72 +562,74 @@ Logger_performOutput(Function function, PyObject* args, bool dbgLevel) {
// Now map the functions into the performOutput. I wish C++ could do
// functional programming.
PyObject*
Logger_debug(LoggerWrapper* self, PyObject* args) {
Logger_debug(PyObject* po_self, PyObject* args) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
return (Logger_performOutput(bind(&Logger::debug, self->logger_, _1, _2),
args, true));
}
PyObject*
Logger_info(LoggerWrapper* self, PyObject* args) {
Logger_info(PyObject* po_self, PyObject* args) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
return (Logger_performOutput(bind(&Logger::info, self->logger_, _2),
args, false));
}
PyObject*
Logger_warn(LoggerWrapper* self, PyObject* args) {
Logger_warn(PyObject* po_self, PyObject* args) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
return (Logger_performOutput(bind(&Logger::warn, self->logger_, _2),
args, false));
}
PyObject*
Logger_error(LoggerWrapper* self, PyObject* args) {
Logger_error(PyObject* po_self, PyObject* args) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
return (Logger_performOutput(bind(&Logger::error, self->logger_, _2),
args, false));
}
PyObject*
Logger_fatal(LoggerWrapper* self, PyObject* args) {
Logger_fatal(PyObject* po_self, PyObject* args) {
LoggerWrapper* self = static_cast<LoggerWrapper*>(po_self);
return (Logger_performOutput(bind(&Logger::fatal, self->logger_, _2),
args, false));
}
PyMethodDef loggerMethods[] = {
{ "get_effective_severity",
reinterpret_cast<PyCFunction>(Logger_getEffectiveSeverity),
METH_NOARGS, "Returns the effective logging severity as string" },
{ "get_effective_debug_level",
reinterpret_cast<PyCFunction>(Logger_getEffectiveDebugLevel),
METH_NOARGS, "Returns the current debug level." },
{ "set_severity",
reinterpret_cast<PyCFunction>(Logger_setSeverity), METH_VARARGS,
{ "get_effective_severity", Logger_getEffectiveSeverity, METH_NOARGS,
"Returns the effective logging severity as string" },
{ "get_effective_debug_level", Logger_getEffectiveDebugLevel, METH_NOARGS,
"Returns the current debug level." },
{ "set_severity", Logger_setSeverity, METH_VARARGS,
"Sets the severity of a logger. The parameters are severity as a "
"string and, optionally, a debug level (integer in range 0-99). "
"The severity may be NULL, in which case an inherited value is taken."
},
{ "is_debug_enabled", reinterpret_cast<PyCFunction>(Logger_isDebugEnabled),
METH_VARARGS, "Returns if the logger would log debug message now. "
{ "is_debug_enabled", Logger_isDebugEnabled, METH_VARARGS,
"Returns if the logger would log debug message now. "
"You can provide a desired debug level." },
{ "is_info_enabled", reinterpret_cast<PyCFunction>(Logger_isInfoEnabled),
METH_NOARGS, "Returns if the logger would log info message now." },
{ "is_warn_enabled", reinterpret_cast<PyCFunction>(Logger_isWarnEnabled),
METH_NOARGS, "Returns if the logger would log warn message now." },
{ "is_error_enabled", reinterpret_cast<PyCFunction>(Logger_isErrorEnabled),
METH_NOARGS, "Returns if the logger would log error message now." },
{ "is_fatal_enabled", reinterpret_cast<PyCFunction>(Logger_isFatalEnabled),
METH_NOARGS, "Returns if the logger would log fatal message now." },
{ "debug", reinterpret_cast<PyCFunction>(Logger_debug), METH_VARARGS,
{ "is_info_enabled", Logger_isInfoEnabled, METH_NOARGS,
"Returns if the logger would log info message now." },
{ "is_warn_enabled", Logger_isWarnEnabled, METH_NOARGS,
"Returns if the logger would log warn message now." },
{ "is_error_enabled", Logger_isErrorEnabled, METH_NOARGS,
"Returns if the logger would log error message now." },
{ "is_fatal_enabled", Logger_isFatalEnabled, METH_NOARGS,
"Returns if the logger would log fatal message now." },
{ "debug", Logger_debug, METH_VARARGS,
"Logs a debug-severity message. It takes the debug level, message ID "
"and any number of stringifiable arguments to the message." },
{ "info", reinterpret_cast<PyCFunction>(Logger_info), METH_VARARGS,
{ "info", Logger_info, METH_VARARGS,
"Logs a info-severity message. It taskes the message ID and any "
"number of stringifiable arguments to the message." },
{ "warn", reinterpret_cast<PyCFunction>(Logger_warn), METH_VARARGS,
{ "warn", Logger_warn, METH_VARARGS,
"Logs a warn-severity message. It taskes the message ID and any "
"number of stringifiable arguments to the message." },
{ "error", reinterpret_cast<PyCFunction>(Logger_error), METH_VARARGS,
{ "error", Logger_error, METH_VARARGS,
"Logs a error-severity message. It taskes the message ID and any "
"number of stringifiable arguments to the message." },
{ "fatal", reinterpret_cast<PyCFunction>(Logger_fatal), METH_VARARGS,
{ "fatal", Logger_fatal, METH_VARARGS,
"Logs a fatal-severity message. It taskes the message ID and any "
"number of stringifiable arguments to the message." },
{ NULL, NULL, 0, NULL }
......@@ -649,7 +640,7 @@ PyTypeObject logger_type = {
"isc.log.Logger",
sizeof(LoggerWrapper), // tp_basicsize
0, // tp_itemsize
reinterpret_cast<destructor>(Logger_destroy), // tp_dealloc
Logger_destroy, // tp_dealloc
NULL, // tp_print
NULL, // tp_getattr
NULL, // tp_setattr
......@@ -681,7 +672,7 @@ PyTypeObject logger_type = {
NULL, // tp_descr_get
NULL, // tp_descr_set
0, // tp_dictoffset
reinterpret_cast<initproc>(Logger_init), // tp_init
Logger_init, // tp_init
NULL, // tp_alloc
PyType_GenericNew, // tp_new
NULL, // tp_free
......@@ -718,21 +709,21 @@ PyInit_log(void) {
return (NULL);
}
if (PyType_Ready(&logger_type) < 0) {
return (NULL);
}
if (PyModule_AddObject(mod, "Logger",
static_cast<PyObject*>(static_cast<void*>(
&logger_type))) < 0) {
return (NULL);
}
// Add in the definitions of the standard debug levels. These can then
// be referred to in Python through the constants log.DBGLVL_XXX.
// Finalize logger class and add in the definitions of the standard debug
// levels. These can then be referred to in Python through the constants
// log.DBGLVL_XXX.
// N.B. These should be kept in sync with the constants defined in
// log_dbglevels.h.
try {
if (PyType_Ready(&logger_type) < 0) {
throw InternalError();
}
void* p = &logger_type;
if (PyModule_AddObject(mod, "Logger",
static_cast<PyObject*>(p)) < 0) {
throw InternalError();
}
installClassVariable(logger_type, "DBGLVL_START_SHUT",
Py_BuildValue("I", DBGLVL_START_SHUT));
installClassVariable(logger_type, "DBGLVL_COMMAND",
......@@ -747,15 +738,20 @@ PyInit_log(void) {
Py_BuildValue("I", DBGLVL_TRACE_DETAIL));
installClassVariable(logger_type, "DBGLVL_TRACE_DETAIL_DATA",
Py_BuildValue("I", DBGLVL_TRACE_DETAIL_DATA));
} catch (const InternalError&) {
Py_DECREF(mod);
return (NULL);
} catch (const std::exception& ex) {
const std::string ex_what =
"Unexpected failure in Log initialization: " +
std::string(ex.what());
PyErr_SetString(PyExc_SystemError, ex_what.c_str());
Py_DECREF(mod);
return (NULL);
} catch (...) {
PyErr_SetString(PyExc_SystemError,
"Unexpected failure in Log initialization");
Py_DECREF(mod);
return (NULL);
}
......
src/lib/python/isc/log/tests/log_test.py
View file @ 164d651a
......@@ -17,6 +17,7 @@
import isc.log
import unittest
import json
import sys
import bind10_config
from isc.config.ccsession import path_search
......@@ -89,6 +90,7 @@ class Logger(unittest.TestCase):
def setUp(self):
isc.log.init("root", "DEBUG", 50)
self.sevs = ['INFO', 'WARN', 'ERROR', 'FATAL']
self.TEST_MSG = isc.log.create_message('TEST_MESSAGE', '%1')
# Checks defaults of the logger
def defaults(self, logger):
......@@ -169,5 +171,34 @@ class Logger(unittest.TestCase):
logger = isc.log.Logger("child")
self.assertEqual(logger.DBGLVL_COMMAND, 10)
def test_param_reference(self):
"""
Check whether passing a parameter to a logger causes a reference leak.
"""
class LogParam:
def __str__(self):
return 'LogParam'
logger = isc.log.Logger("child")
param = LogParam()
orig_msgrefcnt = sys.getrefcount(param)
orig_idrefcnt = sys.getrefcount(self.TEST_MSG)
logger.info(self.TEST_MSG, param);
self.assertEqual(sys.getrefcount(self.TEST_MSG), orig_idrefcnt)
self.assertEqual(sys.getrefcount(param), orig_msgrefcnt)
# intentionally pass an invalid type for debug level. It will
# result in TypeError. The passed object still shouldn't leak a
# reference.
self.assertRaises(TypeError, logger.debug, param, self.TEST_MSG, param)
self.assertEqual(sys.getrefcount(param), orig_msgrefcnt)
def test_bad_parameter(self):
# a log parameter cannot be converted to a string object.
class LogParam:
def __str__(self):
raise ValueError("LogParam can't be converted to string")
logger = isc.log.Logger("child")
self.assertRaises(ValueError, logger.info, self.TEST_MSG, LogParam())
if __name__ == '__main__':
unittest.main()
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