From 5f3bddec0877c456ecfadb44e2c77d8c82c913f1 Mon Sep 17 00:00:00 2001
From: lionsoul <chenxin619315@gmail.com>
Date: Sat, 21 Oct 2017 12:47:24 +0800
Subject: [PATCH] Bug fixed: Adjust the super header length to 8192 for all
 client implementation

---
 binding/c/ip2region.h                                 | 4 +++-
 binding/c_mmap/ip2region.h                            | 2 +-
 binding/golang/ip2Region.go                           | 4 ++--
 binding/java/src/org/lionsoul/ip2region/DbConfig.java | 4 ++--
 binding/nodejs/ip2region.js                           | 2 +-
 binding/php/Ip2Region.class.php                       | 2 +-
 binding/python/ip2Region.py                           | 2 +-
 binding/python3/ip2Region.py                          | 2 +-
 8 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/binding/c/ip2region.h b/binding/c/ip2region.h
index 33820b3..5c807b3 100644
--- a/binding/c/ip2region.h
+++ b/binding/c/ip2region.h
@@ -43,7 +43,9 @@ typedef unsigned int uint_t;
 typedef unsigned long ulong_t;
 
 #define INDEX_BLOCK_LENGTH 12
-#define TOTAL_HEADER_LENGTH 4096
+
+//thats 8 * 1024
+#define TOTAL_HEADER_LENGTH 8192
 
 /*
  * ip2region properties struct
diff --git a/binding/c_mmap/ip2region.h b/binding/c_mmap/ip2region.h
index 8f81dbe..acd06ee 100644
--- a/binding/c_mmap/ip2region.h
+++ b/binding/c_mmap/ip2region.h
@@ -44,7 +44,7 @@ typedef unsigned int uint_t;
 typedef unsigned long ulong_t;
 
 #define INDEX_BLOCK_LENGTH 12
-#define TOTAL_HEADER_LENGTH 4096
+#define TOTAL_HEADER_LENGTH 8192
 
 /*
  * ip2region properties struct
diff --git a/binding/golang/ip2Region.go b/binding/golang/ip2Region.go
index 3e06e72..adaf382 100644
--- a/binding/golang/ip2Region.go
+++ b/binding/golang/ip2Region.go
@@ -9,8 +9,8 @@ import (
 )
 
 const (
-	INDEX_BLOCK_LENGTH = 12
-	TOTAL_HEADER_LENGTH = 4096
+	INDEX_BLOCK_LENGTH  = 12
+	TOTAL_HEADER_LENGTH = 8192
 )
 
 var err error
diff --git a/binding/java/src/org/lionsoul/ip2region/DbConfig.java b/binding/java/src/org/lionsoul/ip2region/DbConfig.java
index 1aa473f..365b870 100644
--- a/binding/java/src/org/lionsoul/ip2region/DbConfig.java
+++ b/binding/java/src/org/lionsoul/ip2region/DbConfig.java
@@ -32,12 +32,12 @@ public class DbConfig
         }
         
         this.totalHeaderSize = totalHeaderSize;
-        this.indexBlockSize = 4096; //4 * 1024
+        this.indexBlockSize  = 8192; //4 * 2048
     }
     
     public DbConfig() throws DbMakerConfigException
     {
-        this(8192);
+        this(8 * 2048);
     }
 
     public int getTotalHeaderSize()
diff --git a/binding/nodejs/ip2region.js b/binding/nodejs/ip2region.js
index 3bfbac9..70bd0c7 100644
--- a/binding/nodejs/ip2region.js
+++ b/binding/nodejs/ip2region.js
@@ -18,7 +18,7 @@ var lastIndexPtr        = 0;
 var superBlock          = new Buffer(8);
 
 var indexBlockLength    = 12;
-var totalHeaderLength   = 4096;
+var totalHeaderLength   = 8192;
 
 
 /**
diff --git a/binding/php/Ip2Region.class.php b/binding/php/Ip2Region.class.php
index 3c26879..f58a07d 100644
--- a/binding/php/Ip2Region.class.php
+++ b/binding/php/Ip2Region.class.php
@@ -7,7 +7,7 @@
 */
 
 defined('INDEX_BLOCK_LENGTH')   or define('INDEX_BLOCK_LENGTH',  12);
-defined('TOTAL_HEADER_LENGTH')  or define('TOTAL_HEADER_LENGTH', 4096);
+defined('TOTAL_HEADER_LENGTH')  or define('TOTAL_HEADER_LENGTH', 8192);
 
 class Ip2Region 
 {
diff --git a/binding/python/ip2Region.py b/binding/python/ip2Region.py
index 100566c..f30dc4b 100644
--- a/binding/python/ip2Region.py
+++ b/binding/python/ip2Region.py
@@ -110,7 +110,7 @@ class Ip2Region(object):
             #pass the super block
             self.__f.seek(8)
             #read the header block
-            b = self.__f.read(4086)
+            b = self.__f.read(8192)
             #parse the header block
             sip = None
             ptr = None
diff --git a/binding/python3/ip2Region.py b/binding/python3/ip2Region.py
index f2e638b..1636434 100644
--- a/binding/python3/ip2Region.py
+++ b/binding/python3/ip2Region.py
@@ -110,7 +110,7 @@ class Ip2Region(object):
             #pass the super block
             self.__f.seek(8)
             #read the header block
-            b = self.__f.read(4086)
+            b = self.__f.read(8192)
             #parse the header block
             sip = None
             ptr = None