©2004 by Marc J. Rochkind. All rights reserved. Portions marked "Open Source" may be copied under license.

 

                 

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c4/record.c File Reference

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Detailed Description

Record and Playback Example [Sec. 4.10.2].

Definition in file record.c.

Go to the source code of this file.

Compounds
struct	event
Defines
#define	EVFILE   "recording.tmp"
#define	EVBUFSIZE   512
Functions
void	timeval_subtract (const struct timeval *x, const struct timeval *y, struct timeval *diff)
void	get_rel_time (struct timeval *tv_rel)
bool	ev_open (void)
bool	ev_creat (void)
bool	ev_write (char *data, unsigned datalen)
bool	ev_read (struct event *ev, char *data, unsigned datalen)
void	ev_close (void)
bool	ev_sleep (struct timeval *tv)
bool	playback (void)
bool	exec_redirected (const char *file, char *const argv[], int fd_stdin, int fd_stdout, int fd_stderr)
int	main (int argc, char *argv[])
Variables
int	fd_ev = -1

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Define Documentation

#define EVBUFSIZE   512

Definition at line 59 of file record.c. Referenced by main(), and playback().

#define EVFILE   "recording.tmp"

Definition at line 58 of file record.c. Referenced by ev_creat(), and ev_open().

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Function Documentation

void ev_close (  void   )  [static]

Definition at line 124 of file record.c. References close(), and fd_ev. Referenced by main(), and playback().

bool ev_creat (  void   )  [static]

Definition at line 77 of file record.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, EVFILE, fd_ev, open(), and PERM_FILE. Referenced by main().

bool ev_open (  void   )  [static]

Definition at line 67 of file record.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, EVFILE, fd_ev, and open(). Referenced by playback().

bool ev_read (  struct event *  ev, char *  data, unsigned  datalen )  [static]

Definition at line 103 of file record.c. References event::e_datalen, EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_neg1, errno, fd_ev, and read(). Referenced by playback().

bool ev_sleep (  struct timeval *  tv  )  [static]

Definition at line 130 of file record.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, get_rel_time(), sleep(), timeval_subtract(), timeval::tv_sec, timeval::tv_usec, and usleep(). Referenced by playback().

bool ev_write (  char *  data, unsigned  datalen )  [static]

Definition at line 88 of file record.c. References event::e_datalen, event::e_time, EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, fd_ev, get_rel_time(), and writeall(). Referenced by main().

bool exec_redirected (  const char *  file, char *const  argv[], int  fd_stdin, int  fd_stdout, int  fd_stderr )

Definition at line 184 of file record.c. References close(), dup2(), EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, and execvp(). Referenced by main().

void get_rel_time (  struct timeval *  tv_rel  )  [static]

Definition at line 44 of file record.c. References gettimeofday(), and timeval_subtract(). Referenced by ev_sleep(), and ev_write().

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

Definition at line 206 of file record.c. References EC_CLEANUP, EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_false, ec_neg1, ec_null, errno, ev_close(), ev_creat(), ev_write(), EVBUFSIZE, exec_redirected(), exit(), FD_ISSET(), FD_SET(), FD_ZERO(), fork(), playback(), pt_close_master(), PT_GET_MASTER_FD, PT_GET_SLAVE_FD, pt_open_master(), pt_open_slave(), pt_wait_master(), read(), select(), tc_restore(), tc_setraw(), and writeall().

bool playback (  void   )  [static]

Definition at line 148 of file record.c. References termios::c_lflag, event::e_datalen, event::e_time, EC_CLEANUP, EC_CLEANUP_BGN, EC_CLEANUP_END, ec_false, ec_neg1, ev_close(), ev_open(), ev_read(), ev_sleep(), EVBUFSIZE, sleep(), tcdrain(), tcgetattr(), tcsetattr(), write(), and writeall(). Referenced by main().

void timeval_subtract (  const struct timeval *  x, const struct timeval *  y, struct timeval *  diff )  [static]

Definition at line 31 of file record.c. References timeval::tv_sec, and timeval::tv_usec. Referenced by ev_sleep(), and get_rel_time().

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Variable Documentation

int fd_ev = -1 [static]

Definition at line 65 of file record.c. Referenced by ev_close(), ev_creat(), ev_open(), ev_read(), and ev_write().

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