mysql_harness::LogReopen Class Reference

#include <log_reopen.h>

Classes
class	ThreadState

Public Types
using	reopen_callback = std::function< void(const std::string &)>

Public Member Functions
	LogReopen ()
	~LogReopen ()
	destruct the thread. More...
void	request_reopen (const std::string &dst="")
	notify a "log_reopen" is requested with optional filename for old logfile. More...
bool	completed () const
	check reopen completed More...
std::string	get_last_error () const
	get last log reopen error More...
void	set_complete_callback (reopen_callback cb)
	Setter for the log reopen thread completion callback function. More...

Private Member Functions
void	stop ()
	stop the log_reopen_thread_function. More...
void	join ()
	join the log_reopen thread. More...

Static Private Member Functions
static void	main_loop (LogReopen *self)

Private Attributes
std::thread	reopen_thr_
Monitor< reopen_callback >	complete_callback_ {{}}
WaitableMonitor< ThreadState >	thread_state_ {{}}

Friends
void	main_loop (LogReopen *self)

Member Typedef Documentation

reopen_callback

using mysql_harness::LogReopen::reopen_callback = std::function<void(const std::string &)>

Constructor & Destructor Documentation

LogReopen()

mysql_harness::LogReopen::LogReopen ( )

inline

~LogReopen()

mysql_harness::LogReopen::~LogReopen

(

)

destruct the thread.

Same as std::thread it may call std::terminate in case the thread isn't joined yet, but joinable.

In case join() fails as best-effort, a log-message is attempted to be written.

Member Function Documentation

completed()

bool mysql_harness::LogReopen::completed

(

)

const

check reopen completed

get_last_error()

std::string mysql_harness::LogReopen::get_last_error

(

)

const

get last log reopen error

join()

void mysql_harness::LogReopen::join ( )

private

join the log_reopen thread.

Exceptions

std::system_error

same as std::thread::join

main_loop()

void mysql_harness::LogReopen::main_loop ( LogReopen *  self )

staticprivate

request_reopen()

void mysql_harness::LogReopen::request_reopen

(

const std::string &

dst = ""

)

notify a "log_reopen" is requested with optional filename for old logfile.

Parameters

dst	rename old logfile to filename before reopen

Exceptions

std::system_error

same as std::unique_lock::lock does

set_complete_callback()

void mysql_harness::LogReopen::set_complete_callback

(

LogReopen::reopen_callback

cb

)

Setter for the log reopen thread completion callback function.

Parameters

cb	Function to call at completion.

stop()

void mysql_harness::LogReopen::stop ( )

private

stop the log_reopen_thread_function.

Friends And Related Function Documentation

main_loop

void main_loop ( LogReopen *  self )

friend

Member Data Documentation

complete_callback_

Monitor<reopen_callback> mysql_harness::LogReopen::complete_callback_ {{}}

private

reopen_thr_

std::thread mysql_harness::LogReopen::reopen_thr_

private

thread_state_

WaitableMonitor<ThreadState> mysql_harness::LogReopen::thread_state_ {{}}

private

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The documentation for this class was generated from the following files:

• router/src/harness/include/mysql/harness/log_reopen.h
• router/src/harness/src/log_reopen.cc