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59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_PROXY_RESOLUTION_PROXY_RESOLVER_H_
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#define NET_PROXY_RESOLUTION_PROXY_RESOLVER_H_
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#include "base/callback_forward.h"
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#include "base/logging.h"
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#include "base/macros.h"
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#include "base/memory/ref_counted.h"
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#include "base/strings/string16.h"
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#include "net/base/completion_once_callback.h"
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#include "net/base/load_states.h"
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#include "net/base/net_export.h"
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#include "net/proxy_resolution/pac_file_data.h"
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#include "url/gurl.h"
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namespace net {
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class NetLogWithSource;
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class ProxyInfo;
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// Interface for "proxy resolvers". A ProxyResolver fills in a list of proxies
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// to use for a particular URL. Generally the backend for a ProxyResolver is
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// a PAC script, but it doesn't need to be. ProxyResolver can service multiple
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// requests at a time.
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class NET_EXPORT_PRIVATE ProxyResolver {
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public:
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class Request {
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public:
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virtual ~Request() {} // Cancels the request
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virtual LoadState GetLoadState() = 0;
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};
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ProxyResolver() {}
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virtual ~ProxyResolver() {}
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// Gets a list of proxy servers to use for |url|. If the request will
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// complete asynchronously returns ERR_IO_PENDING and notifies the result
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// by running |callback|. If the result code is OK then
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// the request was successful and |results| contains the proxy
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// resolution information. In the case of asynchronous completion
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// |*request| is written to. Call request_.reset() to cancel the request
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virtual int GetProxyForURL(const GURL& url,
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ProxyInfo* results,
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CompletionOnceCallback callback,
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std::unique_ptr<Request>* request,
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const NetLogWithSource& net_log) = 0;
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private:
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DISALLOW_COPY_AND_ASSIGN(ProxyResolver);
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};
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} // namespace net
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#endif // NET_PROXY_RESOLUTION_PROXY_RESOLVER_H_
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