Move all sources to 'src/'

[lttng-ust.git] / src / python-lttngust / lttngust / loghandler.py

diff --git a/src/python-lttngust/lttngust/loghandler.py b/src/python-lttngust/lttngust/loghandler.py
new file mode 100644 (file)
index 0000000..745d963
--- /dev/null
+++ b/src/python-lttngust/lttngust/loghandler.py
@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+#
+# SPDX-License-Identifier: LGPL-2.1-only
+#
+# Copyright (C) 2015 Philippe Proulx <pproulx@efficios.com>
+# Copyright (C) 2014 David Goulet <dgoulet@efficios.com>
+
+from __future__ import unicode_literals
+import logging
+import ctypes
+
+from .version import __soname_major__
+
+class _Handler(logging.Handler):
+    _LIB_NAME = 'liblttng-ust-python-agent.so.' + __soname_major__
+
+    def __init__(self):
+        super(self.__class__, self).__init__(level=logging.NOTSET)
+        self.setFormatter(logging.Formatter('%(asctime)s'))
+
+        # will raise if library is not found: caller should catch
+        self.agent_lib = ctypes.cdll.LoadLibrary(_Handler._LIB_NAME)
+
+    def emit(self, record):
+        self.agent_lib.py_tracepoint(self.format(record).encode(),
+                                     record.getMessage().encode(),
+                                     record.name.encode(),
+                                     record.funcName.encode(),
+                                     record.lineno, record.levelno,
+                                     record.thread,
+                                     record.threadName.encode())