initial files

html/*

attic/*

.project

.cproject

.pydevproject

.settings

*.directory

generated*

sysroots

bitbake-logs

 No newline at end of file

PROGS      = autocampars launch_php_script

PHPSCRIPTS = autocampars.php

SRCS       = autocampars.c launch_php_script.c

OBJS =       $(SRC:.c=.o)

#OBJS       = autocampars.o launch_php_script.o

BINDIR       = $(DESTDIR)/usr/bin/

SYSCONFDIR   = $(DESTDIR)/etc/

DOCUMENTROOT = $(DESTDIR)/www/pages

INSTALL    = install

INSTMODE   = 0755

INSTDOCS   = 0644

OWN =        -o root -g root

INCDIR     = $(STAGING_DIR_HOST)/usr/include-uapi/elphel

CFLAGS   += -Wall -I$(INCDIR)

all: $(PROGS)

$(PROGS): $(OBJS)

	$(CC) $(LDFLAGS) $^ $(LDLIBS) -o $@

install: $(PROGS)

	$(INSTALL) -d $(BINDIR)

	$(INSTALL) -d $(DOCUMENTROOT)

	$(INSTALL) -d $(SYSCONFDIR)

	$(INSTALL) $(OWN) -m $(INSTMODE) $(PROGS) $(BINDIR)

	$(INSTALL) $(OWN) -m $(INSTMODE) $(PHPSCRIPTS)  $(DOCUMENTROOT)

clean:

	rm -rf $(PROGS) *.o core

configsubs:

1.0 

/*!***************************************************************************

*! FILE NAME  : autocampars.c

*! DESCRIPTION: Daemon to save/restore parameter (calls autocampars.php)

*!              This program is needed not to have an extra instance of

*!              PHP (2+ MB) just waiting as a daemon.

*! Copyright (C) 2008 Elphel, Inc.

*! -----------------------------------------------------------------------------**

*!  This program is free software: you can redistribute it and/or modify

*!  it under the terms of the GNU General Public License as published by

*!  the Free Software Foundation, either version 3 of the License, or

*!  (at your option) any later version.

*!

*!  This program is distributed in the hope that it will be useful,

*!  but WITHOUT ANY WARRANTY; without even the implied warranty of

*!  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

*!  GNU General Public License for more details.

*!

*!  You should have received a copy of the GNU General Public License

*!  along with this program.  If not, see <http://www.gnu.org/licenses/>.

*! -----------------------------------------------------------------------------**

*!

*!  $Log: autocampars.c,v $

*!  Revision 1.2  2008/12/08 08:13:37  elphel

*!  added one more error check

*!

*!  Revision 1.1.1.1  2008/11/27 20:04:01  elphel

*!

*!

*!  Revision 1.4  2008/11/22 05:52:47  elphel

*!  added TODO

*!

*!  Revision 1.3  2008/11/18 07:37:10  elphel

*!  snapshot

*!

*!  Revision 1.2  2008/11/17 23:42:59  elphel

*!  snapshot

*!

*!  Revision 1.1  2008/11/17 06:41:20  elphel

*!  8.0.alpha18 - started autocampars - camera parameters save/restore/init manager

*!

*!

*/ 

#include <unistd.h>

#include <stdio.h>

#include <stdlib.h>

#include <signal.h>

#include <fcntl.h>

#include <errno.h>

#include <asm/elphel/c313a.h>

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

  const char framepars_driver_name[]="/dev/frameparsall";

//  const char php_path[]="/usr/local/sbin/php";

  const char script_path[]="/usr/html/autocampars.php";

  int fd_fparmsall= open(framepars_driver_name, O_RDWR);

  unsigned long write_data[4]; 

  int rslt;

  if (fd_fparmsall <0) {

     ELP_FERR(fprintf(stderr, "Open failed: (%s)\n", framepars_driver_name));

     exit (1);

  }

///TODO: Use it to re-running ccamftp.php

/// see if any arguments are provided. If they are - they are bit number, sleep time in seconds and command/arguments of an external program

/// to be launched. Usually - a php script, so it makes sense not to keep the php instance in memory if it is not used most of the time

/// (done so for ccamftp.php)

///

/// Daemon loop - waiting for being enabled, run autocampars.php

/// NOTE: Requires sequencers and sensor to be running, to reset everything if stuck - use autocampars.php directly

  int pid;

  while (1) {

   lseek(fd_fparmsall, LSEEK_DAEMON_FRAME+DAEMON_BIT_AUTOCAMPARS, SEEK_END);   /// wait for autocampars bit to be enabled (let it sleep if not)

   write_data[0]= FRAMEPARS_SETFRAMEREL;

   write_data[1]= 1;

   write_data[2]= P_DAEMON_EN_AUTOCAMPARS;

   write_data[3]= 0;

   rslt=write(fd_fparmsall, write_data, sizeof(write_data));

   if (rslt < sizeof(write_data)) {

     ELP_FERR(fprintf(stderr, "Failed writing to %s\n", framepars_driver_name));

     exit (1); 

   }

   fprintf(stderr, "autocampars triggered\n");

   signal(SIGCHLD, SIG_IGN); // no zombies

//! do we need any fork at all if we now serve images to one client at a time? 

   if (((pid=fork())) <0) { /// error

     ELP_FERR(fprintf(stderr, "fork() failed\n"));

     exit (1);

   } else if (pid == 0) { /// child

       fflush(stdout);

       fflush(stderr);

//       rslt= execl(php_path, "-q", script_path, "", "--daemon", (char *) NULL); /// We do not need to pass any parameters here, but if we had to - first argument is lost (probably to "-q" in the script line 1

       rslt= execl(script_path, "", "--daemon", (char *) NULL); /// We do not need to pass any parameters here, but if we had to - first argument is lost (probably to "-q" in the script line 1

       ELP_FERR(fprintf(stderr, "execl failed, returned %d, errno=%d\n", rslt,errno));

      _exit(2);/// comes here only if error

   } // end of child process

   lseek(fd_fparmsall, LSEEK_FRAME_WAIT_REL+1, SEEK_END);   /// skip 1 frame before returning

  }

  return 0;

}