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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef LIBRARIES_NACL_IO_HOST_RESOLVER_H_
      6 #define LIBRARIES_NACL_IO_HOST_RESOLVER_H_
      7 
      8 #include "nacl_io/ossocket.h"
      9 #include "nacl_io/pepper_interface.h"
     10 #include "sdk_util/simple_lock.h"
     11 
     12 #ifdef PROVIDES_SOCKET_API
     13 
     14 namespace nacl_io {
     15 
     16 class HostResolver {
     17  public:
     18   HostResolver();
     19   ~HostResolver();
     20 
     21   void Init(PepperInterface* ppapi);
     22 
     23   void freeaddrinfo(struct addrinfo* res);
     24   int getaddrinfo(const char* node,
     25                   const char* service,
     26                   const struct addrinfo* hints,
     27                   struct addrinfo** res);
     28   struct hostent* gethostbyname(const char* name);
     29 
     30  private:
     31   void hostent_initialize();
     32   void hostent_cleanup();
     33 
     34   struct hostent hostent_;
     35   PepperInterface* ppapi_;
     36   sdk_util::SimpleLock gethostbyname_lock_;
     37 };
     38 
     39 }  // namespace nacl_io
     40 
     41 #endif  // PROVIDES_SOCKET_API
     42 #endif  // LIBRARIES_NACL_IO_HOST_RESOLVER_H_
     43