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2b5306585d
........ r43377 | chris_kohlhoff | 2008-02-23 09:43:54 +1100 (Sat, 23 Feb 2008) | 2 lines Use the correct vector of timer queues when dispatching timers. ........ r43437 | chris_kohlhoff | 2008-02-29 23:57:57 +1100 (Fri, 29 Feb 2008) | 2 lines Add missing tie(). ........ r43469 | chris_kohlhoff | 2008-03-04 00:21:05 +1100 (Tue, 04 Mar 2008) | 4 lines Disable use of CancelIo by default, due to the possibility of silent failure on some system configurations. Swallow error returned by CancelIoEx if there are no operations to be cancelled. ........ r43470 | chris_kohlhoff | 2008-03-04 00:27:06 +1100 (Tue, 04 Mar 2008) | 2 lines Add missing 'boost_' prefix to helper namespace. ........ r43471 | chris_kohlhoff | 2008-03-04 00:36:35 +1100 (Tue, 04 Mar 2008) | 2 lines Regenerate documentation. ........ r43472 | chris_kohlhoff | 2008-03-04 01:05:35 +1100 (Tue, 04 Mar 2008) | 1 line Update copyright notices. ........ r43473 | chris_kohlhoff | 2008-03-04 01:13:01 +1100 (Tue, 04 Mar 2008) | 2 lines Update copyright notices. ........ r43569 | chris_kohlhoff | 2008-03-13 00:25:49 +1100 (Thu, 13 Mar 2008) | 4 lines Revert to having the windows-bug workaround (short timeout on GetQueuedCompletionStatus) on all threads as there are still scenarios where threads can get stuck indefinitely. ........ [SVN r43571]
84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
//
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// basic_logger.hpp
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// ~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef SERVICES_BASIC_LOGGER_HPP
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#define SERVICES_BASIC_LOGGER_HPP
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#include <boost/asio.hpp>
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#include <boost/noncopyable.hpp>
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#include <string>
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namespace services {
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/// Class to provide simple logging functionality. Use the services::logger
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/// typedef.
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template <typename Service>
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class basic_logger
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: private boost::noncopyable
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{
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public:
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/// The type of the service that will be used to provide timer operations.
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typedef Service service_type;
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/// The native implementation type of the timer.
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typedef typename service_type::impl_type impl_type;
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/// Constructor.
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/**
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* This constructor creates a logger.
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*
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* @param io_service The io_service object used to locate the logger service.
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*
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* @param identifier An identifier for this logger.
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*/
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explicit basic_logger(boost::asio::io_service& io_service,
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const std::string& identifier)
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: service_(boost::asio::use_service<Service>(io_service)),
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impl_(service_.null())
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{
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service_.create(impl_, identifier);
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}
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/// Destructor.
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~basic_logger()
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{
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service_.destroy(impl_);
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}
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/// Get the io_service associated with the object.
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boost::asio::io_service& get_io_service()
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{
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return service_.get_io_service();
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}
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/// Set the output file for all logger instances.
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void use_file(const std::string& file)
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{
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service_.use_file(impl_, file);
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}
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/// Log a message.
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void log(const std::string& message)
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{
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service_.log(impl_, message);
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}
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private:
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/// The backend service implementation.
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service_type& service_;
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/// The underlying native implementation.
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impl_type impl_;
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};
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} // namespace services
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#endif // SERVICES_BASIC_LOGGER_HPP
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