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6e19ab2bbc
We have a new, improved string type coming up in AK (OOM aware, no null state), and while it's going to use UTF-8, the name UTF8String is a mouthful - so let's free up the String name by renaming the existing class. Making the old one have an annoying name will hopefully also help with quick adoption :^)
70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "DHCPv4.h"
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#include <AK/DeprecatedString.h>
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#include <AK/Error.h>
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#include <AK/HashMap.h>
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#include <AK/OwnPtr.h>
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#include <AK/Vector.h>
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#include <LibCore/UDPServer.h>
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#include <net/if.h>
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#include <net/route.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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struct InterfaceDescriptor {
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DeprecatedString ifname;
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MACAddress mac_address;
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IPv4Address current_ip_address;
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};
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struct DHCPv4Transaction {
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DHCPv4Transaction(InterfaceDescriptor ifname)
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: interface(ifname)
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{
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}
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InterfaceDescriptor interface;
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bool accepted_offer { false };
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bool has_ip { false };
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u32 offered_lease_time { 0 };
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};
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class DHCPv4Client final : public Core::Object {
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C_OBJECT(DHCPv4Client)
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public:
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void dhcp_discover(InterfaceDescriptor const& ifname);
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void dhcp_request(DHCPv4Transaction& transaction, DHCPv4Packet const& packet);
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void process_incoming(DHCPv4Packet const& packet);
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bool id_is_registered(u32 id) { return m_ongoing_transactions.contains(id); }
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struct Interfaces {
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Vector<InterfaceDescriptor> ready;
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Vector<InterfaceDescriptor> not_ready;
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};
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static ErrorOr<Interfaces> get_discoverable_interfaces();
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private:
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explicit DHCPv4Client(Vector<DeprecatedString> interfaces_with_dhcp_enabled);
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void try_discover_ifs();
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Vector<DeprecatedString> m_interfaces_with_dhcp_enabled;
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HashMap<u32, OwnPtr<DHCPv4Transaction>> m_ongoing_transactions;
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RefPtr<Core::UDPServer> m_server;
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RefPtr<Core::Timer> m_check_timer;
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int m_max_timer_backoff_interval { 600000 }; // 10 minutes
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void handle_offer(DHCPv4Packet const&, ParsedDHCPv4Options const&);
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void handle_ack(DHCPv4Packet const&, ParsedDHCPv4Options const&);
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void handle_nak(DHCPv4Packet const&, ParsedDHCPv4Options const&);
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};
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