[2524] Add declaration and definition of logger, and some messages

1 files changed, 60 insertions, 0 deletions

diff --git a/src/lib/dhcpsrv/dhcpsrv_log.h b/src/lib/dhcpsrv/dhcpsrv_log.h
new file mode 100644
index 0000000000..6a805dcef1
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+++ b/src/lib/dhcpsrv/dhcpsrv_log.h
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+// Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC 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.
+
+#ifndef DHCPSRV_LOG_H
+#define DHCPSRV_LOG_H
+
+#include <dhcpsrv/dhcpsrv_messages.h>
+#include <log/macros.h>
+
+namespace isc {
+namespace dhcp {
+
+///@{
+/// \brief DHCP server library logging levels
+///
+/// Defines the levels used to output debug messages in the DHCP server
+/// library.  Note that higher numbers equate to more verbose (and detailed)
+/// output.
+
+/// @brief Traces normal operations
+///
+/// E.g. sending a query to the database etc.
+const int DHCPSRV_DBG_TRACE = DBGLVL_TRACE_BASIC;
+
+/// @brief Records the results of the lookups
+///
+/// Using the example of tracing queries from the backend database, this will
+/// just record the summary results.
+const int DHCPSRV_DBG_RESULTS = DBGLVL_TRACE_BASIC_DATA;
+
+/// @brief Additional information
+///
+/// Record detailed (and verbose) data on the server.
+const int DHCPSRV_DBG_RTT = DBGLVL_TRACE_DETAIL_DATA;
+
+///@}
+
+
+/// \brief DHCP server library Logger
+///
+/// Define the logger used to log messages.  We could define it in multiple
+/// modules, but defining in a single module and linking to it saves time and
+/// space.
+extern isc::log::Logger dhcpsrv_logger;
+
+} // namespace dhcp
+} // namespace isc
+
+#endif // DHCPSRV_LOG_H