The flatlogs binary header definition

Collaboration diagram for The flatlogs binary header definition:

Modules
	The log priorities
	The flatlogs timestamp

Classes
class	flatlogs::logHeader
	The log entry header. More...

Typedefs
typedef std::shared_ptr< char >	flatlogs::bufferPtrT
	The log entry buffer smart pointer. More...

Functions
static int	flatlogs::logHeader::logLevel (bufferPtrT &logBuffer, const logPrioT &lvl)
	Set the level of a log entry in a logBuffer header. More...
static logPrioT	flatlogs::logHeader::logLevel (bufferPtrT &logBuffer)
	Extract the level of a log entry. More...
static logPrioT	flatlogs::logHeader::logLevel (char *logBuffer)
	Extract the level of a log entry. More...
static int	flatlogs::logHeader::eventCode (bufferPtrT &logBuffer, const eventCodeT &ec)
	Set the event code of a log entry. More...
static eventCodeT	flatlogs::logHeader::eventCode (bufferPtrT &logBuffer)
	Extract the event code of a log entry. More...
static eventCodeT	flatlogs::logHeader::eventCode (char *logBuffer)
	Extract the event code of a log entry. More...
static int	flatlogs::logHeader::timespec (bufferPtrT &logBuffer, const timespecX &ts)
	Set the timespec of a log entry. More...
static timespecX	flatlogs::logHeader::timespec (bufferPtrT &logBuffer)
	Extract the timespec of a log entry. More...
static timespecX	flatlogs::logHeader::timespec (char *logBuffer)
	Extract the timespec of a log entry. More...
static size_t	flatlogs::logHeader::lenSize (bufferPtrT &logBuffer)
	Get the size in bytes of the length field for an existing logBuffer. More...
static size_t	flatlogs::logHeader::lenSize (char *logBuffer)
	Get the size in bytes of the length field for an existing logBuffer. More...
static size_t	flatlogs::logHeader::lenSize (msgLenT &msgSz)
	Get the size in bytes of the length field for a logBuffer given the intended message length. More...
static int	flatlogs::logHeader::msgLen (bufferPtrT &logBuffer, const msgLenT &msgLen)
	Set the message length of a log entry message. More...
static msgLen0T	flatlogs::logHeader::msgLen0 (bufferPtrT &logBuffer)
	Extract the short message length of a log entry message. More...
static msgLen0T	flatlogs::logHeader::msgLen0 (char *logBuffer)
	Extract the short message length of a log entry message. More...
static msgLen1T	flatlogs::logHeader::msgLen1 (bufferPtrT &logBuffer)
	Extract the medium message length of a log entry message. More...
static msgLen1T	flatlogs::logHeader::msgLen1 (char *logBuffer)
	Extract the medium message length of a log entry message. More...
static msgLenT	flatlogs::logHeader::msgLen (bufferPtrT &logBuffer)
	Extract the message length of a log entry message. More...
static msgLenT	flatlogs::logHeader::msgLen (char *logBuffer)
	Extract the message length of a log entry message. More...
static size_t	flatlogs::logHeader::headerSize (bufferPtrT &logBuffer)
	Get the size of the header, including the variable size length field, for an existing logBuffer. More...
static size_t	flatlogs::logHeader::headerSize (char *logBuffer)
	Get the size of the header, including the variable size length field, for an existing logBuffer. More...
static size_t	flatlogs::logHeader::headerSize (msgLenT &msgSz)
	Get the size of the header, including the variable size length field, given a message size. More...
static size_t	flatlogs::logHeader::totalSize (bufferPtrT &logBuffer)
	Get the total size of the log entry, including the message buffer. More...
static size_t	flatlogs::logHeader::totalSize (char *logBuffer)
	Get the total size of the log entry, including the message buffer. More...
static size_t	flatlogs::logHeader::totalSize (msgLenT &msgSz)
	Get the total size of a log entry, given the message buffer size. More...
static void *	flatlogs::logHeader::messageBuffer (bufferPtrT &logBuffer)
	Get the message buffer address. More...
static void *	flatlogs::logHeader::messageBuffer (char *logBuffer)
	Get the message buffer address. More...
static int	flatlogs::logHeader::extractBasicLog (logPrioT &lvl, eventCodeT &ec, timespecX &ts, msgLenT &len, bufferPtrT &logBuffer)
	Extract the basic details of a log entry. More...
static int	flatlogs::logHeader::extractBasicLog (logPrioT &lvl, eventCodeT &ec, timespecX &ts, msgLenT &len, char *logBuffer)
	Extract the basic details of a log entry. More...

Detailed Description

Typedef Documentation

bufferPtrT

typedef std::shared_ptr<char> flatlogs::bufferPtrT

The log entry buffer smart pointer.

Definition at line 58 of file logHeader.hpp.

Function Documentation

eventCode() [1/3]

eventCodeT flatlogs::logHeader::eventCode ( bufferPtrT &  logBuffer )

inlinestatic

Extract the event code of a log entry.

Returns

the event code

Parameters

[in]

logBuffer

a shared_ptr<char> containing a raw log entry buffer.

Definition at line 422 of file logHeader.hpp.

eventCode() [2/3]

int flatlogs::logHeader::eventCode ( bufferPtrT &  logBuffer, const eventCodeT &  ec  )

inlinestatic

Set the event code of a log entry.

Returns

0 on success

-1 on error

Parameters

[in,out]	logBuffer	a shared_ptr<char> containing a raw log entry buffer.
[in]	ec	the new event code.

Definition at line 412 of file logHeader.hpp.

Referenced by flatlogs::logHeader::createLog(), flatlogs::logHeader::eventCode(), flatlogs::logHeader::extractBasicLog(), MagAOX::logger::logMap::getNextLog(), and MagAOX::logger::logMap::getPriorLog().

eventCode() [3/3]

eventCodeT flatlogs::logHeader::eventCode ( char *  logBuffer )

inlinestatic

Extract the event code of a log entry.

Returns

the event code

Parameters

[in]

logBuffer

a pointer a raw log entry buffer.

Definition at line 429 of file logHeader.hpp.

extractBasicLog() [1/2]

int flatlogs::logHeader::extractBasicLog ( logPrioT &  lvl, eventCodeT &  ec, timespecX &  ts, msgLenT &  len, bufferPtrT &  logBuffer  )

inlinestatic

Extract the basic details of a log entry.

Convenience wrapper for the other extraction functions.

Returns

0 on success, -1 on error.

Parameters

[out]	lvl	The log level
[out]	ec	the event code
[out]	ts	the timestamp of the log entry
[out]	len	the message length
[in]	logBuffer	a shared_ptr<char> containing a raw log entry buffer.

Definition at line 667 of file logHeader.hpp.

Referenced by flatlogs::jsonFormat(), flatlogs::minFormat(), flatlogs::stdFormat(), and flatlogs::stdShortFormat().

extractBasicLog() [2/2]

int flatlogs::logHeader::extractBasicLog ( logPrioT &  lvl, eventCodeT &  ec, timespecX &  ts, msgLenT &  len, char *  logBuffer  )

inlinestatic

Extract the basic details of a log entry.

Convenience wrapper for the other extraction functions.

Returns

0 on success, -1 on error.

Parameters

[out]	lvl	The log level
[out]	ec	the event code
[out]	ts	the timestamp of the log entry
[out]	len	the message length
[in]	logBuffer	a pointer to a raw log entry buffer.

Definition at line 687 of file logHeader.hpp.

headerSize() [1/3]

size_t flatlogs::logHeader::headerSize ( bufferPtrT &  logBuffer )

inlinestatic

Get the size of the header, including the variable size length field, for an existing logBuffer.

Returns

the size of the header in this log entry.

Parameters

[in]

logBuffer

a shared_ptr<char> containing a raw log entry buffer.

Definition at line 499 of file logHeader.hpp.

Referenced by flatlogs::logHeader::messageBuffer(), and flatlogs::logHeader::totalSize().

headerSize() [2/3]

size_t flatlogs::logHeader::headerSize ( char *  logBuffer )

inlinestatic

Get the size of the header, including the variable size length field, for an existing logBuffer.

Returns

the size of the header in this log entry.

Parameters

[in]

logBuffer

a pointer to a raw log entry buffer.

Definition at line 506 of file logHeader.hpp.

headerSize() [3/3]

size_t flatlogs::logHeader::headerSize ( msgLenT &  msgSz )

inlinestatic

Get the size of the header, including the variable size length field, given a message size.

Returns

the size to be used for the header.

Parameters

[in]

msgSz

the size of the intended message.

Definition at line 512 of file logHeader.hpp.

lenSize() [1/3]

size_t flatlogs::logHeader::lenSize ( bufferPtrT &  logBuffer )

inlinestatic

Get the size in bytes of the length field for an existing logBuffer.

Returns

the number of bytes in the length field.

Parameters

[in]

logBuffer

a shared_ptr<char> containing a raw log entry buffer.

Definition at line 458 of file logHeader.hpp.

Referenced by flatlogs::logHeader::headerSize().

lenSize() [2/3]

size_t flatlogs::logHeader::lenSize ( char *  logBuffer )

inlinestatic

Get the size in bytes of the length field for an existing logBuffer.

Returns

the number of bytes in the length field.

Parameters

[in]

logBuffer

a pointer to a raw log entry buffer.

Definition at line 474 of file logHeader.hpp.

lenSize() [3/3]

size_t flatlogs::logHeader::lenSize ( msgLenT &  msgSz )

inlinestatic

Get the size in bytes of the length field for a logBuffer given the intended message length.

Returns

the number of bytes to be put in the length field.

Parameters

[in]

msgSz

the size of the intended message.

Definition at line 489 of file logHeader.hpp.

logLevel() [1/3]

logPrioT flatlogs::logHeader::logLevel ( bufferPtrT &  logBuffer )

inlinestatic

Extract the level of a log entry.

Returns

the level

Parameters

[in]

logBuffer

a shared_ptr<char> containing a raw log entry buffer.

Definition at line 398 of file logHeader.hpp.

logLevel() [2/3]

int flatlogs::logHeader::logLevel ( bufferPtrT &  logBuffer, const logPrioT &  lvl  )

inlinestatic

Set the level of a log entry in a logBuffer header.

Returns

0 on success

-1 on error

Parameters

	logBuffer	[in/out] a shared_ptr<char> containing a raw log entry buffer.
[in]	lvl	the new log level.

Definition at line 388 of file logHeader.hpp.

Referenced by flatlogs::logHeader::createLog(), flatlogs::logHeader::extractBasicLog(), flatlogs::logHeader::logLevel(), and MagAOX::logger::logManager< _parentT, _logFileT >::logThreadExec().

logLevel() [3/3]

logPrioT flatlogs::logHeader::logLevel ( char *  logBuffer )

inlinestatic

Extract the level of a log entry.

Returns

the level

Parameters

[in]

logBuffer

a pointer to a raw log entry buffer.

Definition at line 406 of file logHeader.hpp.

messageBuffer() [1/2]

void * flatlogs::logHeader::messageBuffer ( bufferPtrT &  logBuffer )

inlinestatic

Get the message buffer address.

Returns

the address of the message buffer.

Parameters

[in]

logBuffer

a shared_ptr<char> containing a raw log entry buffer.

Definition at line 621 of file logHeader.hpp.

Referenced by flatlogs::logHeader::createLog(), MagAOX::logger::telem_cooler::getDouble(), MagAOX::logger::getLogContVal(), MagAOX::logger::getLogStateVal(), flatlogs::jsonFormat(), flatlogs::minFormat(), flatlogs::stdFormat(), flatlogs::stdShortFormat(), MagAOX::logger::config_log::verify(), MagAOX::logger::git_state::verify(), MagAOX::logger::observer::verify(), MagAOX::logger::ocam_temps::verify(), MagAOX::logger::outlet_channel_state::verify(), MagAOX::logger::outlet_state::verify(), MagAOX::logger::pico_channel::verify(), MagAOX::logger::saving_state_change::verify(), MagAOX::logger::software_log::verify(), MagAOX::logger::state_change::verify(), MagAOX::logger::string_log::verify(), MagAOX::logger::telem_blockgains::verify(), MagAOX::logger::telem_chrony_stats::verify(), MagAOX::logger::telem_chrony_status::verify(), MagAOX::logger::telem_cooler::verify(), MagAOX::logger::telem_coreloads::verify(), MagAOX::logger::telem_coretemps::verify(), MagAOX::logger::telem_dmmodes::verify(), MagAOX::logger::telem_dmspeck::verify(), MagAOX::logger::telem_drivetemps::verify(), MagAOX::logger::telem_fgtimings::verify(), MagAOX::logger::telem_fxngen::verify(), MagAOX::logger::telem_loopgain::verify(), MagAOX::logger::telem_observer::verify(), MagAOX::logger::telem_pico::verify(), MagAOX::logger::telem_pokecenter::verify(), MagAOX::logger::telem_position::verify(), MagAOX::logger::telem_rhusb::verify(), MagAOX::logger::telem_saving::verify(), MagAOX::logger::telem_stage::verify(), MagAOX::logger::telem_stdcam::verify(), MagAOX::logger::telem_telcat::verify(), MagAOX::logger::telem_teldata::verify(), MagAOX::logger::telem_telenv::verify(), MagAOX::logger::telem_telpos::verify(), MagAOX::logger::telem_telsee::verify(), MagAOX::logger::telem_telvane::verify(), MagAOX::logger::telem_temps::verify(), MagAOX::logger::telem_usage::verify(), MagAOX::logger::telem_zaber::verify(), and MagAOX::logger::ttmmod_params::verify().

messageBuffer() [2/2]

void * flatlogs::logHeader::messageBuffer ( char *  logBuffer )

inlinestatic

Get the message buffer address.

Returns

the address of the message buffer.

Parameters

[in]

logBuffer

a pointer to a raw log entry buffer.

Definition at line 628 of file logHeader.hpp.

msgLen() [1/3]

msgLenT flatlogs::logHeader::msgLen ( bufferPtrT &  logBuffer )

inlinestatic

Extract the message length of a log entry message.

Returns

the message length

Parameters

[in]

logBuffer

a shared_ptr<char> containing a raw log entry buffer.

Definition at line 569 of file logHeader.hpp.

msgLen() [2/3]

int flatlogs::logHeader::msgLen ( bufferPtrT &  logBuffer, const msgLenT &  msgLen  )

inlinestatic

Set the message length of a log entry message.

Note

The logBuffer must already be allocated with a header large enough for this message size.

Returns

0 on success

-1 on error

Parameters

[out]	logBuffer	a shared_ptr<char> containing a raw log entry buffer allocated with large enough header for this message length.
[in]	msgLen	the message length to set.

Definition at line 518 of file logHeader.hpp.

Referenced by flatlogs::logHeader::createLog(), flatlogs::logHeader::extractBasicLog(), flatlogs::logHeader::msgLen(), and flatlogs::logHeader::totalSize().

msgLen() [3/3]

msgLenT flatlogs::logHeader::msgLen ( char *  logBuffer )

inlinestatic

Extract the message length of a log entry message.

Returns

the message length

Parameters

[in]

logBuffer

a pointer to a raw log entry buffer.

Definition at line 585 of file logHeader.hpp.

msgLen0() [1/2]

msgLen0T flatlogs::logHeader::msgLen0 ( bufferPtrT &  logBuffer )

inlinestatic

Extract the short message length of a log entry message.

This is always safe on a minimally allocated logBuffer, can be used to test for progressive reading.

Returns

the short message length field

Parameters

[in]

logBuffer

a shared_ptr<char> containing a raw log entry buffer.

Definition at line 543 of file logHeader.hpp.

Referenced by flatlogs::logHeader::lenSize(), flatlogs::logHeader::msgLen(), and flatlogs::logHeader::msgLen0().

msgLen0() [2/2]

msgLen0T flatlogs::logHeader::msgLen0 ( char *  logBuffer )

inlinestatic

Extract the short message length of a log entry message.

This is always safe on a minimally allocated logBuffer, can be used to test for progressive reading.

Returns

the short message length field

Parameters

[in]

logBuffer

a pointer to a raw log entry buffer.

Definition at line 550 of file logHeader.hpp.

msgLen1() [1/2]

msgLen1T flatlogs::logHeader::msgLen1 ( bufferPtrT &  logBuffer )

inlinestatic

Extract the medium message length of a log entry message.

This is NOT always safe, and should only be caled if msgLen0 is 0xFE. Can be used to test for progressive reading.

Returns

the medium message length field

Parameters

[in]

logBuffer

a shared_ptr<char> containing a raw log entry buffer.

Definition at line 556 of file logHeader.hpp.

Referenced by flatlogs::logHeader::msgLen(), and flatlogs::logHeader::msgLen1().

msgLen1() [2/2]

msgLen1T flatlogs::logHeader::msgLen1 ( char *  logBuffer )

inlinestatic

Extract the medium message length of a log entry message.

This is NOT always safe, and should only be caled if msgLen0 is 0xFE. Can be used to test for progressive reading.

Returns

the medium message length field

Parameters

[in]

logBuffer

a pointer to a raw log entry buffer.

Definition at line 563 of file logHeader.hpp.

timespec() [1/3]

timespecX flatlogs::logHeader::timespec ( bufferPtrT &  logBuffer )

inlinestatic

Extract the timespec of a log entry.

Returns

the timespec

Parameters

[in]

logBuffer

a shared_ptr<char> containing a raw log entry buffer.

Definition at line 445 of file logHeader.hpp.

timespec() [2/3]

int flatlogs::logHeader::timespec ( bufferPtrT &  logBuffer, const timespecX &  ts  )

inlinestatic

Set the timespec of a log entry.

Returns

0 on success

-1 on error

Parameters

[in,out]	logBuffer	a shared_ptr<char> containing a raw log entry buffer.*‍/
[in]	ts	the new timespec

Definition at line 435 of file logHeader.hpp.

Referenced by flatlogs::logHeader::createLog(), flatlogs::logHeader::extractBasicLog(), MagAOX::logger::getLogContVal(), MagAOX::logger::getLogStateVal(), MagAOX::logger::logMap::getPriorLog(), MagAOX::logger::logInMemory::loadFile(), flatlogs::logHeader::timespec(), and MagAOX::logger::logFileRaw::writeLog().

timespec() [3/3]

timespecX flatlogs::logHeader::timespec ( char *  logBuffer )

inlinestatic

Extract the timespec of a log entry.

Returns

the timespec

Parameters

[in]

logBuffer

a pointer to a raw log entry buffer.

Definition at line 452 of file logHeader.hpp.

totalSize() [1/3]

size_t flatlogs::logHeader::totalSize ( bufferPtrT &  logBuffer )

inlinestatic

Get the total size of the log entry, including the message buffer.

Returns

the total size of this log entry.

Parameters

[in]

logBuffer

a shared_ptr<char> containing a raw log entry buffer.

Definition at line 602 of file logHeader.hpp.

Referenced by flatlogs::logHeader::createLog(), MagAOX::logger::logMap::getNextLog(), MagAOX::logger::logMap::getPriorLog(), MagAOX::logger::logInMemory::loadFile(), and MagAOX::logger::logFileRaw::writeLog().

totalSize() [2/3]

size_t flatlogs::logHeader::totalSize ( char *  logBuffer )

inlinestatic

Get the total size of the log entry, including the message buffer.

Returns

the total size of this log entry.

Parameters

[in]

logBuffer

a pointer to a raw log entry buffer.

Definition at line 609 of file logHeader.hpp.

totalSize() [3/3]

size_t flatlogs::logHeader::totalSize ( msgLenT &  msgSz )

inlinestatic

Get the total size of a log entry, given the message buffer size.

Returns

the total size to be used for a log entry.

Parameters

[in]

msgSz

the intended size of the message buffer.

Definition at line 615 of file logHeader.hpp.