native_client_sdk/src/libraries/nacl_io/host_resolver.h

   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 getnameinfo(const struct sockaddr *sa,
  25                   socklen_t salen,
  26                   char *host,
  27                   size_t hostlen,
  28                   char *serv,
  29                   size_t servlen,
  30                   int flags);
  31   int getaddrinfo(const char* node,
  32                   const char* service,
  33                   const struct addrinfo* hints,
  34                   struct addrinfo** res);
  35   struct hostent* gethostbyname(const char* name);
  36
  37  private:
  38   void hostent_initialize();
  39   void hostent_cleanup();
  40
  41   struct hostent hostent_;
  42   PepperInterface* ppapi_;
  43   sdk_util::SimpleLock gethostbyname_lock_;
  44 };
  45
  46 }  // namespace nacl_io
  47
  48 #endif  // PROVIDES_SOCKET_API
  49 #endif  // LIBRARIES_NACL_IO_HOST_RESOLVER_H_