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      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
     85