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// Copyright 2015 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.
#ifndef COMPONENTS_DATA_REDUCTION_PROXY_CORE_COMMON_DATA_REDUCTION_PROXY_CONFIG_VALUES_H_
#define COMPONENTS_DATA_REDUCTION_PROXY_CORE_COMMON_DATA_REDUCTION_PROXY_CONFIG_VALUES_H_
#include <vector>
#include "base/optional.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_type_info.h"
namespace net {
class ProxyServer;
}
namespace data_reduction_proxy {
class DataReductionProxyServer;
class DataReductionProxyConfigValues {
public:
virtual ~DataReductionProxyConfigValues() {}
// Returns the HTTP proxy servers to be used. Proxies that cannot be used
// because they are temporarily or permanently marked as bad are also
// included.
virtual const std::vector<DataReductionProxyServer>& proxies_for_http()
const = 0;
// Determines if the given |proxy_server| matches a currently or recent
// previously configured Data Reduction Proxy server, returning information
// about where that proxy is in the ordered list of proxies to use. It's up to
// the implementation to determine what counts as a recent previously
// configured Data Reduction Proxy server, but the idea is to be able to
// recognize proxies from requests that use the currently configured
// |proxies_for_http()| as well as recognize proxies from requests that are
// in-progress when the list of proxy servers to use changes. If
// |proxy_server| matches multiple proxies, then the most recent and highest
// precedence result is returned.
virtual base::Optional<DataReductionProxyTypeInfo>
FindConfiguredDataReductionProxy(
const net::ProxyServer& proxy_server) const = 0;
};
} // namespace data_reduction_proxy
#endif // COMPONENTS_DATA_REDUCTION_PROXY_CORE_COMMON_DATA_REDUCTION_PROXY_CONFIG_VALUES_H_
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