remoting/client/plugin/pepper_address_resolver.cc

   1 // Copyright 2014 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 #include "remoting/client/plugin/pepper_address_resolver.h"
   6
   7 #include "base/logging.h"
   8 #include "ppapi/cpp/net_address.h"
   9 #include "remoting/client/plugin/pepper_util.h"
  10
  11 namespace remoting {
  12
  13 PepperAddressResolver::PepperAddressResolver(const pp::InstanceHandle& instance)
  14     : resolver_(instance),
  15       error_(0),
  16       callback_factory_(this) {
  17 }
  18
  19 PepperAddressResolver::~PepperAddressResolver() {
  20 }
  21
  22 void PepperAddressResolver::Start(const rtc::SocketAddress& address) {
  23   DCHECK(!address.hostname().empty());
  24
  25   PP_HostResolver_Hint hint;
  26   hint.flags = 0;
  27   hint.family = PP_NETADDRESS_FAMILY_UNSPECIFIED;
  28   pp::CompletionCallback callback =
  29       callback_factory_.NewCallback(&PepperAddressResolver::OnResolved);
  30   int result = resolver_.Resolve(
  31       address.hostname().c_str(), address.port(), hint, callback);
  32   DCHECK_EQ(result, PP_OK_COMPLETIONPENDING);
  33 }
  34
  35 bool PepperAddressResolver::GetResolvedAddress(int family,
  36                                                rtc::SocketAddress* addr) const {
  37   rtc::SocketAddress result;
  38   switch (family) {
  39     case AF_INET:
  40       result = ipv4_address_;
  41       break;
  42     case AF_INET6:
  43       result = ipv6_address_;
  44       break;
  45   }
  46
  47   if (result.IsNil())
  48     return false;
  49
  50   *addr = result;
  51   return true;
  52 }
  53
  54 int PepperAddressResolver::GetError() const {
  55   return error_;
  56 }
  57
  58 void PepperAddressResolver::Destroy(bool wait) {
  59   delete this;
  60 }
  61
  62 void PepperAddressResolver::OnResolved(int32_t result) {
  63   if (result < 0) {
  64     error_ = EAI_FAIL;
  65     SignalDone(this);
  66     return;
  67   }
  68
  69   int count = resolver_.GetNetAddressCount();
  70   for (int i = 0; i < count; ++i) {
  71     pp::NetAddress address = resolver_.GetNetAddress(i);
  72     if (address.GetFamily() == PP_NETADDRESS_FAMILY_IPV4 &&
  73         ipv4_address_.IsNil()) {
  74       PpNetAddressToSocketAddress(address, &ipv4_address_);
  75     } else if (address.GetFamily() == PP_NETADDRESS_FAMILY_IPV6 &&
  76                ipv6_address_.IsNil()) {
  77       PpNetAddressToSocketAddress(address, &ipv6_address_);
  78     }
  79   }
  80
  81   SignalDone(this);
  82 }
  83
  84 }  // namespace remoting