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// Copyright (c) 2006-2008 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 NET_PROXY_PROXY_RESOLVER_H_
#define NET_PROXY_PROXY_RESOLVER_H_
#include <string>
#include "base/logging.h"
class GURL;
namespace net {
class ProxyInfo;
// Synchronously resolve the proxy for a URL, using a PAC script. Called on the
// PAC Thread.
class ProxyResolver {
public:
// If a subclass sets |does_fetch| to false, then the owning ProxyResolver
// will download PAC scripts on our behalf, and notify changes with
// SetPacScript(). Otherwise the subclass is expected to fetch the
// PAC script internally, and SetPacScript() will go unused.
ProxyResolver(bool does_fetch) : does_fetch_(does_fetch) {}
virtual ~ProxyResolver() {}
// Query the proxy auto-config file (specified by |pac_url|) for the proxy to
// use to load the given |query_url|. Returns OK if successful or an error
// code otherwise.
virtual int GetProxyForURL(const GURL& query_url,
const GURL& pac_url,
ProxyInfo* results) = 0;
// Called whenever the PAC script has changed, with the contents of the
// PAC script. |bytes| may be empty string if there was a fetch error.
virtual void SetPacScript(const std::string& bytes) {
// Must override SetPacScript() if |does_fetch_ = true|.
NOTREACHED();
}
bool does_fetch() const { return does_fetch_; }
protected:
bool does_fetch_;
};
} // namespace net
#endif // NET_PROXY_PROXY_RESOLVER_H_
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