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// Copyright 2016 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 BLIMP_CLIENT_SESSION_ASSIGNMENT_SOURCE_H_
#define BLIMP_CLIENT_SESSION_ASSIGNMENT_SOURCE_H_
#include <string>
#include "base/callback.h"
#include "blimp/client/blimp_client_export.h"
#include "net/base/ip_endpoint.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace blimp {
namespace client {
// An Assignment contains the configuration data needed for a client
// to connect to the engine.
struct BLIMP_CLIENT_EXPORT Assignment {
net::IPEndPoint ip_endpoint;
std::string client_token;
};
// AssignmentSource provides functionality to find out how a client should
// connect to an engine.
class BLIMP_CLIENT_EXPORT AssignmentSource {
public:
typedef const base::Callback<void(const Assignment&)> AssignmentCallback;
// The |main_task_runner| should be the task runner for the UI thread because
// this will in some cases be used to trigger user interaction on the UI
// thread.
AssignmentSource(
const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner);
virtual ~AssignmentSource();
// Retrieves a valid assignment for the client and posts the result to the
// given callback.
void GetAssignment(const AssignmentCallback& callback);
private:
scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
DISALLOW_COPY_AND_ASSIGN(AssignmentSource);
};
} // namespace client
} // namespace blimp
#endif // BLIMP_CLIENT_SESSION_ASSIGNMENT_SOURCE_H_
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