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// Copyright (C) 2012-2015 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
/// @file dhcp4_log.h
/// Contains declarations for loggers used by the DHCPv4 server component.
#ifndef DHCP4_LOG_H
#define DHCP4_LOG_H
#include <log/logger_support.h>
#include <log/macros.h>
#include <dhcp4/dhcp4_messages.h>
namespace isc {
namespace dhcp {
/// @name Constants defining debug levels for logging in DHCPv4 server.
//@{
/// @brief Debug level used to log information during server startup.
const int DBG_DHCP4_START = DBGLVL_START_SHUT;
/// @brief Debug level used to log information during server shutdown.
const int DBG_DHCP4_SHUT = DBGLVL_START_SHUT;
/// @brief Debug level used to log receiving commands.
const int DBG_DHCP4_COMMAND = DBGLVL_COMMAND;
/// @brief Debug level used to trace basic operations within the code.
const int DBG_DHCP4_BASIC = DBGLVL_TRACE_BASIC;
/// @brief Debug level used to trace hook related operations
const int DBG_DHCP4_HOOKS = DBGLVL_TRACE_BASIC;
/// @brief Debug level used to log the traces with some basic data.
///
/// The basic data includes summary information, e.g. summary of the
/// information returned by a particular function. It may also include
/// more detailed information in cases when it is warranted and the
/// extraction of the data doesn't impact the server's performance
/// significantly.
const int DBG_DHCP4_BASIC_DATA = DBGLVL_TRACE_BASIC_DATA;
/// @brief Debug level used to trace detailed errors.
///
/// Trace detailed operations, including errors raised when processing invalid
/// packets. (These are not logged at severities of WARN or higher for fear
/// that a set of deliberately invalid packets set to the server could overwhelm
/// the logging.)
const int DBG_DHCP4_DETAIL = DBGLVL_TRACE_DETAIL;
/// @brief This level is used to log the contents of packets received and sent.
const int DBG_DHCP4_DETAIL_DATA = DBGLVL_TRACE_DETAIL_DATA;
//@}
/// @name Constants holding names of loggers for the DHCPv4 server.
//@{
/// @brief Defines the name of the root level (default) logger.
extern const char* DHCP4_ROOT_LOGGER_NAME;
/// @brief Name of the base logger for DHCPv4 server.
extern const char* DHCP4_APP_LOGGER_NAME;
/// @brief Name of the logger for rejected packets.
extern const char* DHCP4_BAD_PACKET_LOGGER_NAME;
/// @brief Name of the logger for processed packets.
extern const char* DHCP4_PACKET_LOGGER_NAME;
/// @brief Name of the logger for options parser.
extern const char* DHCP4_OPTIONS_LOGGER_NAME;
/// @brief Name of the logger for hostname or FQDN processing.
extern const char* DHCP4_DDNS_LOGGER_NAME;
/// @brief Name of the logger for lease allocation logic.
extern const char* DHCP4_LEASE_LOGGER_NAME;
//@}
/// @name Loggers used by the DHCPv4 server
//@{
/// @brief Base logger for DHCPv4 server.
extern isc::log::Logger dhcp4_logger;
/// @brief Logger for rejected packets.
///
/// Here "bad packets" are packets that are either dropped (i.e malformed,
/// unsupported types) or packets that are rejected and NAKed for logical
/// reasons.
extern isc::log::Logger bad_packet4_logger;
/// @brief Logger for processed packets.
///
/// This logger is used to issue log messages related to the reception and
/// sending DHCP packets.
extern isc::log::Logger packet4_logger;
/// @brief Logger for options parser.
///
/// This logger is used to issue log messages related to processing of the
/// DHCP options
extern isc::log::Logger options4_logger;
/// @brief Logger for Hostname or FQDN processing.
///
/// This logger is used to issue log messages related to processing the
/// hostnames, FQDNs and sending name change requests to D2.
extern isc::log::Logger ddns4_logger;
/// @brief Logger for lease allocation logic.
///
/// This logger is used to issue log messages related to lease allocation.
extern isc::log::Logger lease4_logger;
//@}
} // namespace dhcp4
} // namespace isc
#endif // DHCP4_LOG_H
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