95a0a4664f
- We will now be building a 64-bit version of the awips2-notification rpm - Updated qpid-devel in nativeLib to match the version of qpid we are using - Added 64-bit libraries to thrift and qpid in nativeLib - The notification executables are now built from source out of nativeLib Former-commit-id:c3da463f39[formerlya210f08acc] [formerlyc3da463f39[formerlya210f08acc] [formerly0970259114[formerly 3205e61aaeba7ec7bccb0a4bd2ed8a6e83a77951]]] Former-commit-id:0970259114Former-commit-id:bad53d1b7f[formerly9490652103] Former-commit-id:83e1f8cc0a
139 lines
4.6 KiB
C++
139 lines
4.6 KiB
C++
#ifndef STATEMENT_H
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#define STATEMENT_H
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/*
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*
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* Copyright (c) 2006 The Apache Software Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include "qpid/Msg.h"
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#include "qpid/CommonImportExport.h"
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#include <boost/current_function.hpp>
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namespace qpid {
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namespace log {
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/** Debugging severity levels
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* - trace: High-volume debugging messages.
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* - debug: Debugging messages.
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* - info: Informational messages.
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* - notice: Normal but significant condition.
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* - warning: Warn of a possible problem.
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* - error: A definite error has occured.
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* - critical: System in danger of severe failure.
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*/
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enum Level { trace, debug, info, notice, warning, error, critical };
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struct LevelTraits {
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static const int COUNT=critical+1;
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/** Get level from string name.
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*@exception if name invalid.
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*/
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static Level level(const char* name);
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/** Get level from string name.
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*@exception if name invalid.
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*/
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static Level level(const std::string& name) {
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return level(name.c_str());
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}
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/** String name of level */
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static const char* name(Level);
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};
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/** POD struct representing a logging statement in source code. */
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struct Statement {
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bool enabled;
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const char* file;
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int line;
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const char* function;
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Level level;
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QPID_COMMON_EXTERN void log(const std::string& message);
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struct Initializer {
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QPID_COMMON_EXTERN Initializer(Statement& s);
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Statement& statement;
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};
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};
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///@internal static initializer for a Statement.
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#define QPID_LOG_STATEMENT_INIT(level) \
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{ 0, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, (::qpid::log::level) }
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/**
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* Like QPID_LOG but computes an additional boolean test expression
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* to determine if the message should be logged. Evaluation of both
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* the test and message expressions occurs only if the requested log level
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* is enabled.
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*@param LEVEL severity Level for message, should be one of:
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* debug, info, notice, warning, error, critical. NB no qpid::log:: prefix.
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*@param TEST message is logged only if expression TEST evaluates to true.
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*@param MESSAGE any object with an @eostream operator<<, or a sequence
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* like of ostreamable objects separated by @e<<.
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*/
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#define QPID_LOG_IF(LEVEL, TEST, MESSAGE) \
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do { \
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using ::qpid::log::Statement; \
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static Statement stmt_= QPID_LOG_STATEMENT_INIT(LEVEL); \
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static Statement::Initializer init_(stmt_); \
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if (stmt_.enabled && (TEST)) \
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stmt_.log(::qpid::Msg() << MESSAGE); \
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} while(0)
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/**
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* FLAG must be a boolean variable. Assigns FLAG to true iff logging
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* is enabled for LEVEL in the calling context. Use when extra
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* support code is needed to generate log messages, to ensure that it
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* is only run if the logging level is enabled.
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* e.g.
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* bool logWarning;
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* QPID_LOG_TEST(LEVEL, logWarning);
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* if (logWarning) { do stuff needed for warning log messages }
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*/
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#define QPID_LOG_TEST(LEVEL, FLAG) \
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do { \
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using ::qpid::log::Statement; \
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static Statement stmt_= QPID_LOG_STATEMENT_INIT(LEVEL); \
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static Statement::Initializer init_(stmt_); \
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FLAG = stmt_.enabled; \
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} while(0)
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/**
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* Macro for log statements. Example of use:
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* @code
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* QPID_LOG(debug, "There are " << foocount << " foos in the bar.");
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* QPID_LOG(error, boost::format("Dohickey %s exploded") % dohicky.name());
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* @endcode
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*
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* You can subscribe to log messages by level, by component, by filename
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* or a combination @see Configuration.
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*@param LEVEL severity Level for message, should be one of:
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* debug, info, notice, warning, error, critical. NB no qpid::log:: prefix.
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*@param MESSAGE any object with an @eostream operator<<, or a sequence
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* like of ostreamable objects separated by @e<<.
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*/
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#define QPID_LOG(LEVEL, MESSAGE) QPID_LOG_IF(LEVEL, true, MESSAGE);
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}} // namespace qpid::log
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#endif /*!STATEMENT_H*/
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