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-rw-r--r--lib/asio/detail/impl/handler_tracking.ipp358
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+//
+// detail/impl/handler_tracking.ipp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 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)
+//
+
+#ifndef ASIO_DETAIL_IMPL_HANDLER_TRACKING_IPP
+#define ASIO_DETAIL_IMPL_HANDLER_TRACKING_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_CUSTOM_HANDLER_TRACKING)
+
+// The handler tracking implementation is provided by the user-specified header.
+
+#elif defined(ASIO_ENABLE_HANDLER_TRACKING)
+
+#include <cstdarg>
+#include <cstdio>
+#include "asio/detail/handler_tracking.hpp"
+
+#if defined(ASIO_HAS_BOOST_DATE_TIME)
+# include "asio/time_traits.hpp"
+#elif defined(ASIO_HAS_CHRONO)
+# include "asio/detail/chrono.hpp"
+# include "asio/detail/chrono_time_traits.hpp"
+# include "asio/wait_traits.hpp"
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+
+#if defined(ASIO_WINDOWS_RUNTIME)
+# include "asio/detail/socket_types.hpp"
+#elif !defined(ASIO_WINDOWS)
+# include <unistd.h>
+#endif // !defined(ASIO_WINDOWS)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+struct handler_tracking_timestamp
+{
+ uint64_t seconds;
+ uint64_t microseconds;
+
+ handler_tracking_timestamp()
+ {
+#if defined(ASIO_HAS_BOOST_DATE_TIME)
+ boost::posix_time::ptime epoch(boost::gregorian::date(1970, 1, 1));
+ boost::posix_time::time_duration now =
+ boost::posix_time::microsec_clock::universal_time() - epoch;
+#elif defined(ASIO_HAS_CHRONO)
+ typedef chrono_time_traits<chrono::system_clock,
+ asio::wait_traits<chrono::system_clock> > traits_helper;
+ traits_helper::posix_time_duration now(
+ chrono::system_clock::now().time_since_epoch());
+#endif
+ seconds = static_cast<uint64_t>(now.total_seconds());
+ microseconds = static_cast<uint64_t>(now.total_microseconds() % 1000000);
+ }
+};
+
+struct handler_tracking::tracking_state
+{
+ static_mutex mutex_;
+ uint64_t next_id_;
+ tss_ptr<completion>* current_completion_;
+};
+
+handler_tracking::tracking_state* handler_tracking::get_state()
+{
+ static tracking_state state = { ASIO_STATIC_MUTEX_INIT, 1, 0 };
+ return &state;
+}
+
+void handler_tracking::init()
+{
+ static tracking_state* state = get_state();
+
+ state->mutex_.init();
+
+ static_mutex::scoped_lock lock(state->mutex_);
+ if (state->current_completion_ == 0)
+ state->current_completion_ = new tss_ptr<completion>;
+}
+
+void handler_tracking::creation(execution_context&,
+ handler_tracking::tracked_handler& h,
+ const char* object_type, void* object,
+ uintmax_t /*native_handle*/, const char* op_name)
+{
+ static tracking_state* state = get_state();
+
+ static_mutex::scoped_lock lock(state->mutex_);
+ h.id_ = state->next_id_++;
+ lock.unlock();
+
+ handler_tracking_timestamp timestamp;
+
+ uint64_t current_id = 0;
+ if (completion* current_completion = *state->current_completion_)
+ current_id = current_completion->id_;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|%I64u*%I64u|%.20s@%p.%.50s\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|%llu*%llu|%.20s@%p.%.50s\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds,
+ current_id, h.id_, object_type, object, op_name);
+}
+
+handler_tracking::completion::completion(
+ const handler_tracking::tracked_handler& h)
+ : id_(h.id_),
+ invoked_(false),
+ next_(*get_state()->current_completion_)
+{
+ *get_state()->current_completion_ = this;
+}
+
+handler_tracking::completion::~completion()
+{
+ if (id_)
+ {
+ handler_tracking_timestamp timestamp;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|%c%I64u|\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|%c%llu|\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds,
+ invoked_ ? '!' : '~', id_);
+ }
+
+ *get_state()->current_completion_ = next_;
+}
+
+void handler_tracking::completion::invocation_begin()
+{
+ handler_tracking_timestamp timestamp;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|>%I64u|\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|>%llu|\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds, id_);
+
+ invoked_ = true;
+}
+
+void handler_tracking::completion::invocation_begin(
+ const asio::error_code& ec)
+{
+ handler_tracking_timestamp timestamp;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|>%I64u|ec=%.20s:%d\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|>%llu|ec=%.20s:%d\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds,
+ id_, ec.category().name(), ec.value());
+
+ invoked_ = true;
+}
+
+void handler_tracking::completion::invocation_begin(
+ const asio::error_code& ec, std::size_t bytes_transferred)
+{
+ handler_tracking_timestamp timestamp;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|>%I64u|ec=%.20s:%d,bytes_transferred=%I64u\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|>%llu|ec=%.20s:%d,bytes_transferred=%llu\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds,
+ id_, ec.category().name(), ec.value(),
+ static_cast<uint64_t>(bytes_transferred));
+
+ invoked_ = true;
+}
+
+void handler_tracking::completion::invocation_begin(
+ const asio::error_code& ec, int signal_number)
+{
+ handler_tracking_timestamp timestamp;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|>%I64u|ec=%.20s:%d,signal_number=%d\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|>%llu|ec=%.20s:%d,signal_number=%d\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds,
+ id_, ec.category().name(), ec.value(), signal_number);
+
+ invoked_ = true;
+}
+
+void handler_tracking::completion::invocation_begin(
+ const asio::error_code& ec, const char* arg)
+{
+ handler_tracking_timestamp timestamp;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|>%I64u|ec=%.20s:%d,%.50s\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|>%llu|ec=%.20s:%d,%.50s\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds,
+ id_, ec.category().name(), ec.value(), arg);
+
+ invoked_ = true;
+}
+
+void handler_tracking::completion::invocation_end()
+{
+ if (id_)
+ {
+ handler_tracking_timestamp timestamp;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|<%I64u|\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|<%llu|\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds, id_);
+
+ id_ = 0;
+ }
+}
+
+void handler_tracking::operation(execution_context&,
+ const char* object_type, void* object,
+ uintmax_t /*native_handle*/, const char* op_name)
+{
+ static tracking_state* state = get_state();
+
+ handler_tracking_timestamp timestamp;
+
+ unsigned long long current_id = 0;
+ if (completion* current_completion = *state->current_completion_)
+ current_id = current_completion->id_;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|%I64u|%.20s@%p.%.50s\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|%llu|%.20s@%p.%.50s\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds,
+ current_id, object_type, object, op_name);
+}
+
+void handler_tracking::reactor_registration(execution_context& /*context*/,
+ uintmax_t /*native_handle*/, uintmax_t /*registration*/)
+{
+}
+
+void handler_tracking::reactor_deregistration(execution_context& /*context*/,
+ uintmax_t /*native_handle*/, uintmax_t /*registration*/)
+{
+}
+
+void handler_tracking::reactor_events(execution_context& /*context*/,
+ uintmax_t /*native_handle*/, unsigned /*events*/)
+{
+}
+
+void handler_tracking::reactor_operation(
+ const tracked_handler& h, const char* op_name,
+ const asio::error_code& ec)
+{
+ handler_tracking_timestamp timestamp;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|.%I64u|%s,ec=%.20s:%d\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|.%llu|%s,ec=%.20s:%d\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds,
+ h.id_, op_name, ec.category().name(), ec.value());
+}
+
+void handler_tracking::reactor_operation(
+ const tracked_handler& h, const char* op_name,
+ const asio::error_code& ec, std::size_t bytes_transferred)
+{
+ handler_tracking_timestamp timestamp;
+
+ write_line(
+#if defined(ASIO_WINDOWS)
+ "@asio|%I64u.%06I64u|.%I64u|%s,ec=%.20s:%d,bytes_transferred=%I64u\n",
+#else // defined(ASIO_WINDOWS)
+ "@asio|%llu.%06llu|.%llu|%s,ec=%.20s:%d,bytes_transferred=%llu\n",
+#endif // defined(ASIO_WINDOWS)
+ timestamp.seconds, timestamp.microseconds,
+ h.id_, op_name, ec.category().name(), ec.value(),
+ static_cast<uint64_t>(bytes_transferred));
+}
+
+void handler_tracking::write_line(const char* format, ...)
+{
+ using namespace std; // For sprintf (or equivalent).
+
+ va_list args;
+ va_start(args, format);
+
+ char line[256] = "";
+#if defined(ASIO_HAS_SECURE_RTL)
+ int length = vsprintf_s(line, sizeof(line), format, args);
+#else // defined(ASIO_HAS_SECURE_RTL)
+ int length = vsprintf(line, format, args);
+#endif // defined(ASIO_HAS_SECURE_RTL)
+
+ va_end(args);
+
+#if defined(ASIO_WINDOWS_RUNTIME)
+ wchar_t wline[256] = L"";
+ mbstowcs_s(0, wline, sizeof(wline) / sizeof(wchar_t), line, length);
+ ::OutputDebugStringW(wline);
+#elif defined(ASIO_WINDOWS)
+ HANDLE stderr_handle = ::GetStdHandle(STD_ERROR_HANDLE);
+ DWORD bytes_written = 0;
+ ::WriteFile(stderr_handle, line, length, &bytes_written, 0);
+#else // defined(ASIO_WINDOWS)
+ ::write(STDERR_FILENO, line, length);
+#endif // defined(ASIO_WINDOWS)
+}
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_ENABLE_HANDLER_TRACKING)
+
+#endif // ASIO_DETAIL_IMPL_HANDLER_TRACKING_IPP
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 07:39:57 +0000