#include <midas.h>

Collaboration diagram for BUFFER:

[legend]

Public Attributes
std::atomic_bool	attached {false}

std::timed_mutex	buffer_mutex

INT	client_index = 0

char	client_name [NAME_LENGTH]

char	buffer_name [NAME_LENGTH]

BUFFER_HEADER *	buffer_header = NULL

std::timed_mutex	read_cache_mutex

std::atomic< size_t >	read_cache_size {0}

char *	read_cache = NULL

size_t	read_cache_rp = 0

size_t	read_cache_wp = 0

std::timed_mutex	write_cache_mutex

std::atomic< size_t >	write_cache_size {0}

char *	write_cache = NULL

size_t	write_cache_rp = 0

size_t	write_cache_wp = 0

HNDLE	semaphore = 0

INT	shm_handle = 0

size_t	shm_size = 0

BOOL	callback = false

BOOL	locked = false

BOOL	get_all_flag = false

int	count_lock = 0

int	count_sent = 0

double	bytes_sent = 0

int	count_write_wait = 0

DWORD	time_write_wait = 0

int	last_count_lock = 0

DWORD	wait_start_time = 0

int	wait_client_index = 0

int	max_requested_space = 0

int	count_read = 0

double	bytes_read = 0

int	client_count_write_wait [MAX_CLIENTS]

DWORD	client_time_write_wait [MAX_CLIENTS]

Detailed Description

Definition at line 985 of file midas.h.

Member Data Documentation

◆ attached

std::atomic_bool BUFFER::attached {false}

TRUE if buffer is attached

Definition at line 987 of file midas.h.

987{false};

◆ buffer_header

BUFFER_HEADER* BUFFER::buffer_header = NULL

pointer to buffer header

Definition at line 992 of file midas.h.

◆ buffer_mutex

std::timed_mutex BUFFER::buffer_mutex

buffer mutex

Definition at line 988 of file midas.h.

◆ buffer_name

char BUFFER::buffer_name[NAME_LENGTH]

name of buffer

Definition at line 991 of file midas.h.

◆ bytes_read

double BUFFER::bytes_read = 0

count how many bytes we read

Definition at line 1021 of file midas.h.

◆ bytes_sent

double BUFFER::bytes_sent = 0

count how many bytes we sent

Definition at line 1013 of file midas.h.

◆ callback

BOOL BUFFER::callback = false

callback defined for this buffer

Definition at line 1006 of file midas.h.

◆ client_count_write_wait

int BUFFER::client_count_write_wait[MAX_CLIENTS]

per-client count_write_wait

Definition at line 1022 of file midas.h.

◆ client_index

INT BUFFER::client_index = 0

index to CLIENT str. in buf.

Definition at line 989 of file midas.h.

◆ client_name

char BUFFER::client_name[NAME_LENGTH]

name of client

Definition at line 990 of file midas.h.

◆ client_time_write_wait

DWORD BUFFER::client_time_write_wait[MAX_CLIENTS]

per-client time_write_wait

Definition at line 1023 of file midas.h.

◆ count_lock

int BUFFER::count_lock = 0

count how many times we locked the buffer

Definition at line 1011 of file midas.h.

◆ count_read

int BUFFER::count_read = 0

count how many events we read

Definition at line 1020 of file midas.h.

◆ count_sent

int BUFFER::count_sent = 0

count how many events we sent

Definition at line 1012 of file midas.h.

◆ count_write_wait

int BUFFER::count_write_wait = 0

count how many times we waited for free space

Definition at line 1014 of file midas.h.

◆ get_all_flag

BOOL BUFFER::get_all_flag = false

this is a get_all reader

Definition at line 1008 of file midas.h.

◆ last_count_lock

int BUFFER::last_count_lock = 0

avoid writing statistics to odb if lock count did not change

Definition at line 1016 of file midas.h.

◆ locked

BOOL BUFFER::locked = false

buffer is currently locked by us

Definition at line 1007 of file midas.h.

◆ max_requested_space

int BUFFER::max_requested_space = 0

waiting for this many bytes of free space

Definition at line 1019 of file midas.h.

◆ read_cache

char* BUFFER::read_cache = NULL

cache for burst read

Definition at line 995 of file midas.h.

◆ read_cache_mutex

std::timed_mutex BUFFER::read_cache_mutex

cache read mutex

Definition at line 993 of file midas.h.

◆ read_cache_rp

size_t BUFFER::read_cache_rp = 0

cache read pointer

Definition at line 996 of file midas.h.

◆ read_cache_size

std::atomic<size_t> BUFFER::read_cache_size {0}

cache size in bytes

Definition at line 994 of file midas.h.

994{0};

◆ read_cache_wp

size_t BUFFER::read_cache_wp = 0

cache write pointer

Definition at line 997 of file midas.h.

◆ semaphore

HNDLE BUFFER::semaphore = 0

semaphore handle

Definition at line 1003 of file midas.h.

◆ shm_handle

INT BUFFER::shm_handle = 0

handle to shared memory

Definition at line 1004 of file midas.h.

◆ shm_size

size_t BUFFER::shm_size = 0

size of shared memory

Definition at line 1005 of file midas.h.

◆ time_write_wait

DWORD BUFFER::time_write_wait = 0

count for how long we waited for free space, in units of ss_millitime()

Definition at line 1015 of file midas.h.

◆ wait_client_index

int BUFFER::wait_client_index = 0

waiting for which client

Definition at line 1018 of file midas.h.

◆ wait_start_time

DWORD BUFFER::wait_start_time = 0

time when we started the wait

Definition at line 1017 of file midas.h.

◆ write_cache

char* BUFFER::write_cache = NULL