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#ifndef _GROK_INPUT_H_
#define _GROK_INPUT_H_
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <time.h>
#include <event.h>
#include "grok_program.h"
struct grok_program;
typedef struct grok_input grok_input_t;
typedef struct grok_input_process grok_input_process_t;
typedef struct grok_input_file grok_input_file_t;
#define PROCESS_SHOULD_RESTART(gipt) ((gipt)->restart_on_death || (gipt)->run_interval)
struct grok_input_process {
char *cmd;
int cmdlen;
/* State information */
int p_stdin; /* parent descriptors */
int p_stdout;
int p_stderr;
int c_stdin; /* child descriptors */
int c_stdout;
int c_stderr;
int pid;
int pgid;
struct timeval start_time;
/* Specific options */
int restart_on_death;
int min_restart_delay;
int run_interval;
int read_stderr;
};
struct grok_input_file {
char *filename;
/* State information */
struct stat st;
char *readbuffer; /* will be initialized to the blocksize reported by stat(2) */
off_t offset; /* what position in the file are we in? */
int writer; /* read data from file and write to here */
int reader; /* point libevent eventbuffer here */
int fd; /* the fd from open(2) */
struct timeval waittime;
/* Options */
int follow;
};
struct grok_input {
enum { I_FILE, I_PROCESS } type;
union {
grok_input_file_t file;
grok_input_process_t process;
} source;
struct grok_program *gprog; /* pointer back to our program */
struct bufferevent *bev;
int instance_match_count;
int logmask;
int logdepth;
struct timeval restart_delay;
int done;
};
void grok_program_add_input(struct grok_program *gprog, grok_input_t *ginput);
void grok_program_add_input_process(struct grok_program *gprog, grok_input_t *ginput);
void grok_program_add_input_file(struct grok_program *gprog, grok_input_t *ginput);
void grok_input_eof_handler(int fd, short what, void *data);
#endif /* _GROK_INPUT_H_ */
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