Sentry class to guard the transitions for Delegate::m_observe_transmission flag within given contexts. More...

Public Member Functions
	Observe_transmission_guard (bool &flag, binary_log::Log_event_type event_type, const char *event_ptr, binary_log::enum_binlog_checksum_alg checksum_alg, binary_log::Log_event_type prev_event_type)
	Constructor for the class. More...

	~Observe_transmission_guard ()
	Destructor for the sentry class. More...

Private Attributes
bool	m_saved
	The value of the guarded flag upon this object creation. More...

bool &	m_to_set
	The flag variable to guard. More...

Detailed Description

Sentry class to guard the transitions for Delegate::m_observe_transmission flag within given contexts.

Constructor & Destructor Documentation

◆ Observe_transmission_guard()

Observe_transmission_guard::Observe_transmission_guard	(	bool &	flag,
		binary_log::Log_event_type	event_type,
		const char *	event_ptr,
		binary_log::enum_binlog_checksum_alg	checksum_alg,
		binary_log::Log_event_type	prev_event_type
	)

inline

Constructor for the class.

It will change the value of the flag parameter according with the event_type and event_ptr content. The flag will be set to true as follows:

The event is an XID_EVENT
The event is an XA_PREPARE_LOG_EVENT.
The event is a QUERY_EVENT with query equal to "XA COMMIT" or "XA ABORT" or "COMMIT".
The event is the first QUERY_EVENT after a GTID_EVENT and the query is not "BEGIN" –the statement is a DDL, for instance.

Parameters

flag	The flag variable to guard
event_type	The type of the event being processed
event_ptr	The raw content of the event being processed
checksum_alg	The checksum algorithm being used currently
prev_event_type	The type of the event processed just before the current one

◆ ~Observe_transmission_guard()

Observe_transmission_guard::~Observe_transmission_guard ( )

inline

Destructor for the sentry class.

It will instantiate the guarded flag with the value prior to the creation of this object.

Member Data Documentation

◆ m_saved

bool Observe_transmission_guard::m_saved

private

The value of the guarded flag upon this object creation.

◆ m_to_set

bool& Observe_transmission_guard::m_to_set

private

The flag variable to guard.

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

sql/rpl_binlog_sender.cc

Public Member Functions