Fossil

** The "msgid" values will be in increasing order.
**
** The "mdel" will only exist if "xmsg" is an empty string and "fsize" is zero.
*/
void chat_poll_webpage(void){
  Blob json;                  /* The json to be constructed and returned */
  sqlite3_int64 dataVersion;  /* Data version.  Used for polling. */

  int iDelay = 1000;          /* Delay until next poll (milliseconds) */
  const char *zSep = "{\"msgs\":[\n";   /* List separator */
  int msgid = atoi(PD("name","0"));
  Stmt q1;
  login_check_credentials();
  if( !g.perm.Chat ) return;
  chat_create_tables();

      }
      if( iToDel ){
        blob_appendf(&json, ",\"mdel\":%d}", iToDel);
      }else{
        blob_append(&json, "}", 1);
      }
    }
    db_reset(&q1);
    if( cnt ){
      blob_append(&json, "\n]}", 3);
      cgi_set_content(&json);
      break;
    }
    sqlite3_sleep(iDelay);
    while( 1 ){
      sqlite3_int64 newDataVers = db_int64(0,"PRAGMA repository.data_version");
      if( newDataVers!=dataVersion ){
        dataVersion = newDataVers;
        break;
      }
      sqlite3_sleep(iDelay);
    }

  } /* Exit by "break" */
  db_finalize(&q1);
  return;      
}

/*
** WEBPAGE: chat-download