update semaphore ID

crawler.php

@@ -1,36 +1,40 @@
 <?php
 
-$semaphore = sem_get(1);
+$semaphore = sem_get(crc32('kvazar-network.crawler_full_node'), 1);
 
-if (false !== sem_acquire($semaphore, 1)) {
+if (false === sem_acquire($semaphore, true)) {
 
-  require_once(__DIR__ . '/config.php');
-  require_once(__DIR__ . '/library/sqlite.php');
-  require_once(__DIR__ . '/library/kevacoin.php');
-  require_once(__DIR__ . '/library/hash.php');
-  require_once(__DIR__ . '/library/base58.php');
-  require_once(__DIR__ . '/library/base58check.php');
-  require_once(__DIR__ . '/library/crypto.php');
-  require_once(__DIR__ . '/library/helper.php');
+  echo "database locked by the another process...\n";
+  exit;
+}
+
+require_once(__DIR__ . '/config.php');
+require_once(__DIR__ . '/library/sqlite.php');
+require_once(__DIR__ . '/library/kevacoin.php');
+require_once(__DIR__ . '/library/hash.php');
+require_once(__DIR__ . '/library/base58.php');
+require_once(__DIR__ . '/library/base58check.php');
+require_once(__DIR__ . '/library/crypto.php');
+require_once(__DIR__ . '/library/helper.php');
 
-  $db       = new SQLite(DB_NAME, DB_USERNAME, DB_PASSWORD);
-  $kevaCoin = new KevaCoin(KEVA_PROTOCOL, KEVA_HOST, KEVA_PORT, KEVA_USERNAME, KEVA_PASSWORD);
+$db       = new SQLite(DB_NAME, DB_USERNAME, DB_PASSWORD);
+$kevaCoin = new KevaCoin(KEVA_PROTOCOL, KEVA_HOST, KEVA_PORT, KEVA_USERNAME, KEVA_PASSWORD);
 
-  $blockLast  = $db->getLastBlock();
-  $blockTotal = $kevaCoin->getblockcount();
+$blockLast  = $db->getLastBlock();
+$blockTotal = $kevaCoin->getblockcount();
 
-  if (false === $blockTotal) {
+if (false === $blockTotal) {
   echo "API connection error.\n";
   exit;
-  }
+}
 
-  $response = [];
+$response = [];
 
-  if (CRAWLER_DEBUG) {
+if (CRAWLER_DEBUG) {
   echo "scanning blockhain...\n";
-  }
+}
 
-  for ($blockCurrent = ($blockLast + 1); $blockCurrent <= $blockLast + STEP_BLOCK_LIMIT; $blockCurrent++) {
+for ($blockCurrent = ($blockLast + 1); $blockCurrent <= $blockLast + STEP_BLOCK_LIMIT; $blockCurrent++) {
 
   if ($blockCurrent > $blockTotal) {
 
@@ -173,17 +177,11 @@ if (false !== sem_acquire($semaphore, 1)) {
       }
     }
   }
-  }
+}
 
 
-  // Debug
-  if (CRAWLER_DEBUG) {
+// Debug
+if (CRAWLER_DEBUG) {
   echo "scanning completed.\n";
   # print_r($response);
-  }
-
-  sem_release($semaphore);
-
-} else {
-  echo "database locked by the another process...\n";
 }