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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/dns/mapped_host_resolver.h"
#include <utility>
#include "base/strings/string_util.h"
#include "base/values.h"
#include "net/base/host_port_pair.h"
#include "net/base/net_errors.h"
namespace net {
MappedHostResolver::MappedHostResolver(std::unique_ptr<HostResolver> impl)
: impl_(std::move(impl)) {}
MappedHostResolver::~MappedHostResolver() {
}
int MappedHostResolver::Resolve(const RequestInfo& original_info,
RequestPriority priority,
AddressList* addresses,
const CompletionCallback& callback,
RequestHandle* out_req,
const BoundNetLog& net_log) {
RequestInfo info = original_info;
int rv = ApplyRules(&info);
if (rv != OK)
return rv;
return impl_->Resolve(info, priority, addresses, callback, out_req, net_log);
}
int MappedHostResolver::ResolveFromCache(const RequestInfo& original_info,
AddressList* addresses,
const BoundNetLog& net_log) {
RequestInfo info = original_info;
int rv = ApplyRules(&info);
if (rv != OK)
return rv;
return impl_->ResolveFromCache(info, addresses, net_log);
}
void MappedHostResolver::CancelRequest(RequestHandle req) {
impl_->CancelRequest(req);
}
void MappedHostResolver::SetDnsClientEnabled(bool enabled) {
impl_->SetDnsClientEnabled(enabled);
}
HostCache* MappedHostResolver::GetHostCache() {
return impl_->GetHostCache();
}
std::unique_ptr<base::Value> MappedHostResolver::GetDnsConfigAsValue() const {
return impl_->GetDnsConfigAsValue();
}
int MappedHostResolver::ApplyRules(RequestInfo* info) const {
HostPortPair host_port(info->host_port_pair());
if (rules_.RewriteHost(&host_port)) {
if (host_port.host() == "~NOTFOUND")
return ERR_NAME_NOT_RESOLVED;
info->set_host_port_pair(host_port);
}
return OK;
}
} // namespace net
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