1 files changed, 58 insertions, 0 deletions
diff --git a/rpkid.stable/rpki/log.py b/rpkid.stable/rpki/log.py
new file mode 100644
index 00000000..efaba10c
--- /dev/null
+++ b/rpkid.stable/rpki/log.py
@@ -0,0 +1,58 @@
+"""Logging facilities for RPKI libraries.
+
+$Id$
+
+Copyright (C) 2007--2008  American Registry for Internet Numbers ("ARIN")
+
+Permission to use, copy, modify, and distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND ARIN DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS.  IN NO EVENT SHALL ARIN BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+"""
+
+import syslog, traceback
+
+## @var enable_trace
+# Whether call tracing is enabled.
+
+enable_trace = False
+
+def init(ident = "rpki", flags = syslog.LOG_PID | syslog.LOG_PERROR, facility = syslog.LOG_DAEMON):
+  """Initialize logging system."""
+
+  return syslog.openlog(ident, flags, facility)
+
+def set_trace(trace):
+  """Enable or disable call tracing."""
+
+  global enable_trace
+  enable_trace = trace
+
+class logger(object):
+  """Closure for logging."""
+
+  def __init__(self, priority):
+    self.priority = priority
+
+  def __call__(self, message):
+    return syslog.syslog(self.priority, message)
+
+error = logger(syslog.LOG_ERR)
+warn  = logger(syslog.LOG_WARNING)
+note  = logger(syslog.LOG_NOTICE)
+info  = logger(syslog.LOG_INFO)
+debug = logger(syslog.LOG_DEBUG)
+
+def trace():
+  """Execution trace -- where are we now, and whence came we here?"""
+
+  if enable_trace:
+    bt = traceback.extract_stack(limit = 3)
+    return debug("[%s() at %s:%d from %s:%d]" % (bt[1][2], bt[1][0], bt[1][1], bt[0][0], bt[0][1]))