diff options
Diffstat (limited to '3rdparty/asio/src/examples/cpp03/timers/time_t_timer.cpp')
-rw-r--r-- | 3rdparty/asio/src/examples/cpp03/timers/time_t_timer.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp03/timers/time_t_timer.cpp b/3rdparty/asio/src/examples/cpp03/timers/time_t_timer.cpp new file mode 100644 index 00000000000..8a434e9b20c --- /dev/null +++ b/3rdparty/asio/src/examples/cpp03/timers/time_t_timer.cpp @@ -0,0 +1,93 @@ +// +// time_t_timer.cpp +// ~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +#include <asio.hpp> +#include <ctime> +#include <iostream> + +struct time_t_traits +{ + // The time type. + typedef std::time_t time_type; + + // The duration type. + struct duration_type + { + duration_type() : value(0) {} + duration_type(std::time_t v) : value(v) {} + std::time_t value; + }; + + // Get the current time. + static time_type now() + { + return std::time(0); + } + + // Add a duration to a time. + static time_type add(const time_type& t, const duration_type& d) + { + return t + d.value; + } + + // Subtract one time from another. + static duration_type subtract(const time_type& t1, const time_type& t2) + { + return duration_type(t1 - t2); + } + + // Test whether one time is less than another. + static bool less_than(const time_type& t1, const time_type& t2) + { + return t1 < t2; + } + + // Convert to POSIX duration type. + static boost::posix_time::time_duration to_posix_duration( + const duration_type& d) + { + return boost::posix_time::seconds(d.value); + } +}; + +typedef asio::basic_deadline_timer< + std::time_t, time_t_traits> time_t_timer; + +void handle_timeout(const asio::error_code&) +{ + std::cout << "handle_timeout\n"; +} + +int main() +{ + try + { + asio::io_context io_context; + + time_t_timer timer(io_context); + + timer.expires_from_now(5); + std::cout << "Starting synchronous wait\n"; + timer.wait(); + std::cout << "Finished synchronous wait\n"; + + timer.expires_from_now(5); + std::cout << "Starting asynchronous wait\n"; + timer.async_wait(&handle_timeout); + io_context.run(); + std::cout << "Finished asynchronous wait\n"; + } + catch (std::exception& e) + { + std::cout << "Exception: " << e.what() << "\n"; + } + + return 0; +} |