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Overview
Comment:Use the Windows _wspawnv() interface with the _P_NOWAIT option to start a separate backoffice process whenever necessary. Add the backoffice-logfile setting for monitoring backoffice operation.
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SHA3-256:2583cae18a4bcf03408e3f56544a53de23ea53876a1551fa7948ef5ee0dcb289
User & Date: drh 2018-08-07 20:11:10
Context
2018-08-07
20:58
Improved windows code for the backoffice. Properly check to see if processes still exist. Provide a timeout feature. check-in: 43c29877 user: drh tags: trunk
20:11
Use the Windows _wspawnv() interface with the _P_NOWAIT option to start a separate backoffice process whenever necessary. Add the backoffice-logfile setting for monitoring backoffice operation. check-in: 2583cae1 user: drh tags: trunk
18:53
Allow manifest artifacts to omit the C and U cards, because otherwise there are some historical manifest artifacts in Fossil itself that will not parse, and there may be similar artifacts in other repositories. check-in: b3ccc4bf user: drh tags: trunk
Changes
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Changes to src/backoffice.c.

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** routine.
*/
#include "config.h"
#include "backoffice.h"
#include <time.h>
#if defined(_WIN32)
# include <windows.h>


#else
# include <unistd.h>
# include <sys/types.h>
# include <signal.h>
#endif

/*
................................................................................
}

/*
** This routine runs to do the backoffice processing.  When adding new
** backoffice processing tasks, add them here.
*/
void backoffice_work(void){














  email_backoffice(0);
}

/*
** COMMAND: backoffice
**
** Usage: backoffice [-R repository]
**
** Run backoffice processing.  This might be done by a cron job or
** similar to make sure backoffice processing happens periodically.
*/
void backoffice_command(void){
  verify_all_options();
  db_find_and_open_repository(0,0);

  backoffice_thread();
}

/*
** This is the main interface to backoffice from the rest of the system.
** This routine launches either backoffice_thread() directly or as a
** subprocess.
*/
void backoffice_run_if_needed(void){
  if( backofficeDb==0 ) return;
  if( strcmp(backofficeDb,"x")==0 ) return;
  if( g.db ) return;
  if( g.repositoryOpen ) return;
#if !defined(_WIN32)





















  {
    pid_t pid = fork();
    if( pid>0 ){
      /* This is the parent in a successful fork().  Return immediately. */
      if( g.fAnyTrace ){
        fprintf(stderr, 
          "/***** Subprocess %d creates backoffice child %d *****/\n",
          getpid(), (int)pid);
      }
      return;
    }
    if( pid==0 ){
      /* This is the child of a successful fork().  Run backoffice. */

      db_open_repository(backofficeDb);
      backofficeDb = "x";
      backoffice_thread();
      db_close(1);
      if( g.fAnyTrace ){
        fprintf(stderr, "/***** Backoffice Child %d exits *****/\n", getpid());
      }







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** routine.
*/
#include "config.h"
#include "backoffice.h"
#include <time.h>
#if defined(_WIN32)
# include <windows.h>
# include <stdio.h>
# include <process.h>
#else
# include <unistd.h>
# include <sys/types.h>
# include <signal.h>
#endif

/*
................................................................................
}

/*
** This routine runs to do the backoffice processing.  When adding new
** backoffice processing tasks, add them here.
*/
void backoffice_work(void){
  /* Log the backoffice run for testing purposes.  For production deployments
  ** the "backoffice-logfile" property should be unset and the following code
  ** should be a no-op. */
  char *zLog = db_get("backoffice-logfile",0);
  if( zLog && zLog[0] ){
    FILE *pLog = fossil_fopen(zLog, "a");
    if( pLog ){
      char *zDate = db_text(0, "SELECT datetime('now');");
      fprintf(pLog, "%s (%d) backoffice running\n", zDate, getpid());
      fclose(pLog);
    }
  }

  /* Here is where the actual work of the backoffice happens */
  email_backoffice(0);
}

/*
** COMMAND: backoffice
**
** Usage: backoffice [-R repository]
**
** Run backoffice processing.  This might be done by a cron job or
** similar to make sure backoffice processing happens periodically.
*/
void backoffice_command(void){
  if( find_option("trace",0,0)!=0 ) g.fAnyTrace = 1;
  db_find_and_open_repository(0,0);
  verify_all_options();
  backoffice_thread();
}

/*
** This is the main interface to backoffice from the rest of the system.
** This routine launches either backoffice_thread() directly or as a
** subprocess.
*/
void backoffice_run_if_needed(void){
  if( backofficeDb==0 ) return;
  if( strcmp(backofficeDb,"x")==0 ) return;
  if( g.db ) return;
  if( g.repositoryOpen ) return;
#if defined(_WIN32)
  {
    int i;
    intptr_t x;
    char *argv[4];
    wchar_t *ax[5];
    argv[0] = g.nameOfExe;
    argv[1] = "backoffice";
    argv[2] = "-R";
    argv[3] = backofficeDb;
    ax[4] = 0;
    for(i=0; i<=3; i++) ax[i] = fossil_utf8_to_unicode(argv[i]);
    x = _wspawnv(_P_NOWAIT, ax[0], ax);
    for(i=0; i<=3; i++) fossil_unicode_free(ax[i]);
    if( g.fAnyTrace ){
      fprintf(stderr, 
        "/***** Subprocess %d creates backoffice child %d *****/\n",
        getpid(), (int)x);
    }
    if( x>=0 ) return;
  }
#else /* unix */
  {
    pid_t pid = fork();
    if( pid>0 ){
      /* This is the parent in a successful fork().  Return immediately. */
      if( g.fAnyTrace ){
        fprintf(stderr, 
          "/***** Subprocess %d creates backoffice child %d *****/\n",
          getpid(), (int)pid);
      }
      return;
    }
    if( pid==0 ){
      /* This is the child of a successful fork().  Run backoffice. */
      setsid();
      db_open_repository(backofficeDb);
      backofficeDb = "x";
      backoffice_thread();
      db_close(1);
      if( g.fAnyTrace ){
        fprintf(stderr, "/***** Backoffice Child %d exits *****/\n", getpid());
      }

Changes to src/db.c.

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*/
/*
** SETTING: backoffice-nodelay boolean default=on
** If backoffice-nodelay is true, then the backoffice processing
** will never invoke sleep().  If it has nothing useful to do,
** it simply exits.
*/







/*
** SETTING: binary-glob     width=40 versionable block-text
** The VALUE of this setting is a comma or newline-separated list of
** GLOB patterns that should be treated as binary files
** for committing and merging purposes.  Example: *.jpg
*/
#if defined(_WIN32)||defined(__CYGWIN__)||defined(__DARWIN__)







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*/
/*
** SETTING: backoffice-nodelay boolean default=on
** If backoffice-nodelay is true, then the backoffice processing
** will never invoke sleep().  If it has nothing useful to do,
** it simply exits.
*/
/*
** SETTING: backoffice-logfile width=40
** If backoffice-logfile is not an empty string and is a valid
** filename, then a one-line message is appended to that file
** every time the backoffice runs.  This can be used for debugging,
** to ensure that backoffice is running appropriately.
*/
/*
** SETTING: binary-glob     width=40 versionable block-text
** The VALUE of this setting is a comma or newline-separated list of
** GLOB patterns that should be treated as binary files
** for committing and merging purposes.  Example: *.jpg
*/
#if defined(_WIN32)||defined(__CYGWIN__)||defined(__DARWIN__)