lib/ip2proxy_ruby.rb in ip2proxy_ruby-3.2.1 vs lib/ip2proxy_ruby.rb in ip2proxy_ruby-3.3.0

@@ -9,11 +9,11 @@
 require_relative 'ip2proxy_ruby/ip2proxy_record'
 
 class Ip2proxy
   attr_accessor :record_class4, :record_class6, :v4, :file, :db_index, :count, :base_addr, :ipno, :record, :database, :columns, :ip_version, :ipv4databasecount, :ipv4databaseaddr, :ipv4indexbaseaddr, :ipv6databasecount, :ipv6databaseaddr, :ipv6indexbaseaddr, :databaseyear, :databasemonth, :databaseday, :last_err_msg
 
-  VERSION = '3.2.1'
+  VERSION = '3.3.0'
   FIELD_NOT_SUPPORTED = 'NOT SUPPORTED'
   INVALID_IP_ADDRESS = 'INVALID IP ADDRESS'
   INVALID_BIN_DATABASE = 'Incorrect IP2Proxy BIN file format. Please make sure that you are using the latest IP2Proxy BIN file.'
 
   def open(url)
@@ -99,12 +99,11 @@
             # if ipnum reach MAX_IPV6_RANGE
             if realipno == 340282366920938463463374607431768211455
                 ipnum = realipno - 1
             end
         end
-        low = read32(indexpos)
-        high = read32(indexpos + 4)
+        low, high = read32x2(indexpos)
         return self.record = bsearch(low, high, ipnum, self.base_addr, col_length)
     else
         return self.record = bsearch(0, self.count, ipnum, self.base_addr, col_length)
     end
   end
@@ -417,15 +416,16 @@
         end
     end
   end
 
   def get_from_to(mid, base_addr, col_length)
-    from_base = ( base_addr + mid * (col_length + (v4 ? 0 : 12)))
+    from_base = (base_addr + mid * (col_length + (v4 ? 0 : 12)))
+    data_length = col_length + (v4 ? 4 : (12 + 16))
     file.seek(from_base)
-    ip_from = v4 ? file.read(4).unpack('V').first : readipv6(file)
-    file.seek(from_base + col_length + (v4 ? 0 : 12))
-    ip_to = v4 ? file.read(4).unpack('V').first : readipv6(file)
+    data_read = file.read(data_length)
+    ip_from = v4 ? data_read[0..3].unpack('V').first : readipv6(data_read[0..15].unpack('V*'))
+    ip_to = v4 ? data_read[(data_length - 4)..(data_length - 1)].unpack('V').first : readipv6(data_read[(data_length - 16)..(data_length - 1)].unpack('V*'))
     [ip_from, ip_to]
   end
 
   def validateip(ip)
     if ip.ipv4?
@@ -457,20 +457,22 @@
         end
     end
     [ipv, ipnum]
   end
 
-  def read32(indexp)
+  def read32x2(indexp)
     file.seek(indexp - 1)
-    return file.read(4).unpack('V').first
+    data_read = file.read(8)
+    data1 = data_read[0..3].unpack('V').first
+    data2 = data_read[4..7].unpack('V').first
+    return [data1, data2]
   end
 
-  def readipv6(filer)
-    parts = filer.read(16).unpack('V*')
+  def readipv6(parts)
     return parts[0] + parts[1] * 4294967296 + parts[2] * 4294967296**2 + parts[3] * 4294967296**3
   end
 
-  private :get_record, :bsearch, :get_from_to, :read32, :readipv6
+  private :get_record, :bsearch, :get_from_to, :read32x2, :readipv6
 
 end
 
 class Ip2proxyWebService
   attr_accessor :ws_api_key, :ws_package, :ws_use_ssl
\ No newline at end of file