Make DestructorCheck::Safety no-copy, no-move

[folly.git] / folly / IPAddressV4.h

diff --git a/folly/IPAddressV4.h b/folly/IPAddressV4.h
index 78d1368d40291f1dfe66e6debb8dcb644f3c5f0b..2de04f1c4ab568ef255b9507714770e59df7c506 100644 (file)
--- a/folly/IPAddressV4.h
+++ b/folly/IPAddressV4.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -54,6 +54,10 @@ typedef std::array<uint8_t, 4> ByteArray4;
  */
 class IPAddressV4 {
  public:
+  // Max size of std::string returned by toFullyQualified.
+  static constexpr size_t kMaxToFullyQualifiedSize =
+      4 /*words*/ * 3 /*max chars per word*/ + 3 /*separators*/;
+
   // returns true iff the input string can be parsed as an ipv4-address
   static bool validate(StringPiece ip);
 
@@ -79,6 +83,13 @@ class IPAddressV4 {
     return ByteRange((const unsigned char *) &addr_.inAddr_.s_addr, 4);
   }
 
+  /**
+   * Create a new IPAddress instance from the in-addr.arpa representation.
+   * @throws IPAddressFormatException if the input is not a valid in-addr.arpa
+   * representation
+   */
+  static IPAddressV4 fromInverseArpaName(const std::string& arpaname);
+
   /**
    * Convert a IPv4 address string to a long in network byte order.
    * @param [in] ip the address to convert
@@ -183,6 +194,8 @@ class IPAddressV4 {
   // @see IPAddress#str
   std::string str() const;
 
+  std::string toInverseArpaName() const;
+
   // return underlying in_addr structure
   in_addr toAddr() const { return addr_.inAddr_; }
 
@@ -203,6 +216,9 @@ class IPAddressV4 {
   // @see IPAddress#toFullyQualified
   std::string toFullyQualified() const { return str(); }
 
+  // @see IPAddress#toFullyQualifiedAppend
+  void toFullyQualifiedAppend(std::string& out) const;
+
   // @see IPAddress#version
   uint8_t version() const { return 4; }