[Update] Loop -> implemented information cache (action/current state/states) + loop minimum"

[Todo] Implement loop function using actions/states
[Done] Implemented first auth verification (if in list but no action check)
This commit is contained in:
xdrm-brackets 2017-02-21 18:50:37 +01:00
parent aa7377ede2
commit f698fe389a
2 changed files with 184 additions and 12 deletions

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@ -4,28 +4,173 @@
require_once __DIR__.'/../../include/php/const';
$f_authlist;
$f_auth;
$f_accesslog;
$f_states;
$f_actions;
$state = [];
$actions = [];
$states = [];
$last_user = null;
$timeout = 1;
/* RETURNS THE PERMISSIONS FOR A SPECIFIC CODE AND AN ACTION
*
* @code<string> Some RFID code
*
* @return user<array> User info if found ; else NULL
*
*/
function auth($code){
global $f_auth;
/* (1) Goto first line */
$f_auth->seek(0);
/* (2) Parse each line */
while( $f_auth->eof() ){
/* (3) Try to parse line */
$parsed = json_decode($f_auth->fgets(), true);
/* (3) Ignore if parse error */
if( is_null($parsed) )
continue;
/* (4) If wrong code -> go to next */
if( $parsed[0] != $code )
continue;
/* (5) return user info */
return [
'id' => $parsed[1],
'can' => $parsed[2]
];
}
/* (6) Return FALSE if not found */
return null;
}
$last_card;
$times;
function mfrc522_setup(){
/* [0] Initialize global variables
=========================================================*/
/* (1) File descriptiors */
global $f_auth, $f_accesslog;
/* (2) Caches */
global $actions, $states, $state;
/* [1] Open file descriptors on useful files
=========================================================*/
$f_authlist = new SplFileObject(AUTH_LIST, 'r');
/* (1) Read accesses */
$f_auth = new SplFileObject(AUTH_LIST, 'r');
$f_states = new SplFileObject(STATES_CONF, 'r');
$f_actions = new SplFileObject(ACTIONS_CONF, 'r');
$f_gstate = @file_get_contents(STATE_CONF);
/* (2) Append accesses (logs) */
$f_accesslog = new SplFileObject(ACCESS_LOG, 'a');
/* [2] Parse @authlist to cache [action]=>[rfid1, rfid2, ..]
=========================================================*/
/* [3] Initialize global variables
/* [2] Parse ACTIONS and cache them
=========================================================*/
$last_card = null;
$times = 0;
/* (1) Parse each line */
while( $f_actions->eof() ){
/* (2) Try to parse line */
$parsed = json_decode($f_actions->fgets(), true);
/* (2) Ignore if parse error */
if( is_null($parsed) )
continue;
/* (3) Add key (timeout) to cache */
if( !isset($actions[$parsed[0]] )
$actions[$parsed[0]] = [];
/* (4) Add entry to cache */
$actions[$parsed[0]][] = [
'id' => $parsed[1],
'prev' => $parsed[2],
'next' => $parsed[3],
];
}
/* (5) Free file descriptor */
$f_actions = null;
/* [3] Parse STATES and cache them
=========================================================*/
/* (1) Parse each line */
while( $f_states->eof() ){
/* (2) Try to parse line */
$parsed = json_decode($f_states->fgets(), true);
/* (2) Ignore if parse error */
if( is_null($parsed) )
continue;
/* (3) Add entry to cache */
$states[] = $parsed;
}
/* (4) Free file descriptor */
$f_states = null;
/* [4] Cache global state
=========================================================*/
/* (1) Check file */
if( $f_gstate === false )
return;
/* (2) Remove external spaces */
$f_gstate = preg_replace('@^\s+@', '', $f_gstate);
$f_gstate = preg_replace('@\s+$@', '', $f_gstate);
/* (3) For each character create an entry */
for( $c = 0 ; $c < strlen($f_gstate) ; $c++ )
$state[] = $c;
}
@ -35,6 +180,11 @@
function mfrc522_loop(){
/* [1] Load global variables
=========================================================*/
global $last_user;
global $timeout;
/* [1] Wait for rfid card
=========================================================*/
while( ($code=syscall(SOURCE_DIR.'/lib/mfrc522/read')) === false );
@ -48,10 +198,32 @@
/* [2] Check for user in auth list
=========================================================*/
/* (0) CHECK FOR USER INFO IN AUTH LIST
---------------------------------------------------------*/
$user = auth($code);
/* (1) UNKNOWN USER -> reset count
---------------------------------------------------------*/
if( is_null($user) ){
$last_user = null;
$timeout = 1;
/* (2) KNOWN USER -> Manage timeout
---------------------------------------------------------*/
}else{
/* (1) If same as last -> increment @timeout */
if( $last_user == $user['id'] )
$timeout++;
}
/* [3] Manage action (states)
=========================================================*/
/* [n] Wait for 0.5 s before reading again