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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_SMB_CLIENT_DISCOVERY_HOST_LOCATOR_H_
#define CHROME_BROWSER_ASH_SMB_CLIENT_DISCOVERY_HOST_LOCATOR_H_
#include <map>
#include <string>
#include "base/functional/callback.h"
#include "net/base/ip_address.h"
namespace ash::smb_client {
using Hostname = std::string;
using Address = net::IPAddress;
using HostMap = std::map<Hostname, Address>;
// |success| will be false if an error occurred when finding hosts. |success|
// can be true even if |hosts| is empty.
using FindHostsCallback =
base::OnceCallback<void(bool success, const HostMap& hosts)>;
// Interface that abstracts the multiple methods of finding SMB hosts in a
// network. (e.g. mDNS, NetBIOS over TCP, LMHosts, DNS)
class HostLocator {
public:
HostLocator() = default;
HostLocator(const HostLocator&) = delete;
HostLocator& operator=(const HostLocator&) = delete;
virtual ~HostLocator() = default;
// Finds hosts in the local network. |callback| will be called once finished
// finding all the hosts. If no hosts are found, an empty map will be passed
// in the |callback|.
virtual void FindHosts(FindHostsCallback callback) = 0;
};
} // namespace ash::smb_client
#endif // CHROME_BROWSER_ASH_SMB_CLIENT_DISCOVERY_HOST_LOCATOR_H_
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