merlin_sim.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <unistd.h>
#include <pthread.h>
#include <stdint.h>
#include <time.h>

Macros
#define	MAXLINE   256
	Simple TCP server to simulate a merlin Labview system. More...
#define	MAXDATA   256*256*2*2
#define	DATAHEADERLEN   252
#define	MPX_PROFILE_LEN   256 * 8
#define	MPX_SUM_LEN   4
#define	CMDLEN   4
#define	HEADER_LEN   15

Functions
void	sig_chld (int signo)
	Signal handler for SIGCHLD. More...
int	echo_request (int socket_fd)
	Read from socket and send back response. More...
int	produce_data (int data_fd)
	Produce simulation data when we start acquisition. More...
void *	commandThread (void *command_fd)
void *	dataThread (void *data_fd)
int	main (int argc, char *argv[])
void	endian_swap (uint64_t *x)

Variables
int	frame_count = 0
int	frames_to_send = 0
int	incrementer = 0
int	data_exit = 0
int	do_data = 0
pthread_mutex_t	do_data_mutex = PTHREAD_MUTEX_INITIALIZER
pthread_cond_t	do_data_cond = PTHREAD_COND_INITIALIZER
int	Depth = 12

Macro Definition Documentation

CMDLEN

#define CMDLEN   4

DATAHEADERLEN

#define DATAHEADERLEN   252

HEADER_LEN

#define HEADER_LEN   15

MAXDATA

#define MAXDATA   256*256*2*2

MAXLINE

#define MAXLINE   256

Simple TCP server to simulate a merlin Labview system.

Arguments: port number - port number to listen for connections

Matthew Pearson Oct 2011

Giles Knap Jan 2012

MPX_PROFILE_LEN

#define MPX_PROFILE_LEN   256 * 8

MPX_SUM_LEN

#define MPX_SUM_LEN   4

Function Documentation

commandThread()

void * commandThread

(

void *

command_fd

)

dataThread()

void * dataThread

(

void *

data_fd

)

echo_request()

int echo_request

(

int

socket_fd

)

Read from socket and send back response.

Read a maximum of MAXLINE, or until a newline, then echo the command back.

Read until end of current block (header or body)

endian_swap()

void endian_swap

(

uint64_t *

x

)

main()

int main	(	int	argc,
		char *	argv[]
	)

produce_data()

int produce_data

(

int

socket_fd

)

Produce simulation data when we start acquisition.

sig_chld()

void sig_chld

(

int

signo

)

Signal handler for SIGCHLD.

NOT NEEDED NOW WE ARE USING PTHREADS.

Variable Documentation

data_exit

int data_exit = 0

Depth

int Depth = 12

do_data

int do_data = 0

do_data_cond

pthread_cond_t do_data_cond = PTHREAD_COND_INITIALIZER

do_data_mutex

pthread_mutex_t do_data_mutex = PTHREAD_MUTEX_INITIALIZER

frame_count

int frame_count = 0

frames_to_send

int frames_to_send = 0

incrementer

int incrementer = 0