#include <dhcp_handler.h>

Inheritance diagram for DhcpHandler:

Collaboration diagram for DhcpHandler:

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Classes
struct	DhcpRequestData

struct	Dhcpv4OptionHandler

Public Member Functions
	DhcpHandler (Agent *agent, boost::shared_ptr< PktInfo > info, boost::asio::io_context &io)

virtual	~DhcpHandler ()

bool	Run ()

Public Member Functions inherited from DhcpHandlerBase
	DhcpHandlerBase (Agent *agent, boost::shared_ptr< PktInfo > info, boost::asio::io_context &io)

virtual	~DhcpHandlerBase ()

Public Member Functions inherited from ProtoHandler
	ProtoHandler (Agent *agent, boost::shared_ptr< PktInfo > info, boost::asio::io_context &io)

virtual	~ProtoHandler ()

void	Send (uint32_t itf, uint32_t vrf, uint16_t, PktHandler::PktModuleName)

void	Send (uint32_t itf, uint32_t vrf, uint16_t cmd, uint32_t param1, uint32_t param2, PktHandler::PktModuleName mod)

int	EthHdr (const MacAddress &src, const MacAddress &dest, const uint16_t proto)

int	EthHdr (char *buff, uint16_t len, const MacAddress &src, const MacAddress &dest, const uint16_t proto, uint16_t vlan_id)

int	EthHdr (char buff, uint16_t len, const Interface interface, const MacAddress &src, const MacAddress &dest, const uint16_t proto)

int	EthHdr (char *buff, uint16_t len, uint32_t ifindex, const MacAddress &src, const MacAddress &dest, const uint16_t proto)

void	VlanHdr (uint8_t *ptr, uint16_t tci)

void	IpHdr (uint16_t len, in_addr_t src, in_addr_t dest, uint8_t protocol, uint16_t id, uint8_t ttl)

uint16_t	IpHdr (char *buff, uint16_t buf_len, uint16_t len, in_addr_t src, in_addr_t dest, uint8_t protocol, uint16_t id, uint8_t ttl)

void	Ip6Hdr (ip6_hdr ip, uint16_t plen, uint8_t next_header, uint8_t hlim, uint8_t src, uint8_t *dest)

void	UdpHdr (uint16_t len, in_addr_t src, uint16_t src_port, in_addr_t dest, uint16_t dest_port)

void	UdpHdr (udphdr hdr, uint16_t len, const uint8_t src, uint16_t src_port, const uint8_t *dest, uint16_t dest_port, uint8_t next_hdr)

void	UdpHdr (uint16_t len, const uint8_t src, uint16_t src_port, const uint8_t dest, uint16_t dest_port, uint8_t next_hdr)

uint16_t	UdpHdr (udphdr *udp, uint16_t buf_len, uint16_t len, in_addr_t src, uint16_t src_port, in_addr_t dest, uint16_t dest_port)

uint16_t	IcmpHdr (char *buff, uint16_t buf_len, uint8_t type, uint8_t code, uint16_t word1, uint16_t word2)

void	IcmpChecksum (char *buff, uint16_t buf_len)

void	IgmpChecksum (char *buff, uint16_t buf_len)

uint32_t	Sum (uint16_t *, std::size_t, uint32_t) const

uint16_t	Csum (uint16_t *, std::size_t, uint32_t) const

uint16_t	UdpCsum (in_addr_t, in_addr_t, std::size_t, udphdr *) const

uint16_t	Ipv6Csum (const uint8_t src, const uint8_t dest, uint16_t plen, uint8_t next_hdr, uint16_t *hdr) const

uint16_t	Icmpv6Csum (const uint8_t src, const uint8_t dest, icmp6_hdr *icmp, uint16_t plen) const

Agent *	agent () const

uint32_t	GetVrfIndex () const

uint32_t	GetInterfaceIndex () const

uint16_t	GetLength () const

uint32_t	GetCmdParam () const

PktInfo *	pkt_info () const

uint32_t	EncapHeaderLen () const

Private Member Functions
bool	HandleVmRequest ()

bool	HandleMessage ()

bool	HandleDhcpFromFabric ()

bool	ReadOptions (int16_t opt_rem_len)

bool	GetGatewayInterfaceLease ()

void	ReleaseGatewayInterfaceLease ()

bool	FindLeaseData ()

void	FillDhcpInfo (Ip4Address &addr, int plen, Ip4Address &gw, Ip4Address &dns)

void	WriteOption82 (Dhcpv4Options opt, uint16_t optlen)

bool	ReadOption82 (Dhcpv4Options *opt)

bool	CreateRelayPacket ()

bool	CreateRelayResponsePacket ()

void	RelayRequestToFabric ()

void	RelayResponseFromFabric ()

uint16_t	DhcpHdr (in_addr_t, in_addr_t)

uint16_t	AddIP (uint16_t opt_len, const std::string &input)

uint16_t	AddDomainNameOption (uint16_t opt_len)

uint16_t	FillDhcpResponse (const MacAddress &dest_mac, in_addr_t src_ip, in_addr_t dest_ip, in_addr_t siaddr, in_addr_t yiaddr)

void	SendDhcpResponse ()

bool	IsOptionRequested (uint8_t option)

bool	IsRouterOptionNeeded ()

void	UpdateStats ()

DhcpHandler::DhcpOptionCategory	OptionCategory (uint32_t option) const

uint32_t	OptionCode (const std::string &option) const

void	DhcpTrace (const std::string &msg) const

	DISALLOW_COPY_AND_ASSIGN (DhcpHandler)

Private Attributes
dhcphdr *	dhcp_

uint8_t	msg_type_

uint8_t	out_msg_type_

std::string	parameters_

std::string	nak_msg_

DhcpRequestData	request_

Additional Inherited Members
Public Types inherited from DhcpHandlerBase
enum	DhcpOptionCategory { None , NoData , Bool , Byte , ByteArray , ByteString , ByteOneIPPlus , String , Int32bit , Uint32bit , Uint16bit , Uint16bitArray , OneIPv4 , ZeroIPv4Plus , OneIPv4Plus , TwoIPv4Plus , OneIPv6 , OneIPv6Plus , ClasslessRoute , NameCompression , NameCompressionArray , ByteNameCompression }

enum	DhcpOptionLevel { Invalid , InterfaceLevel , SubnetLevel , IpamLevel }

Protected Member Functions inherited from DhcpHandlerBase
uint16_t	AddNoDataOption (uint32_t option, uint16_t opt_len)

uint16_t	AddByteOption (uint32_t option, uint16_t opt_len, const std::string &input)

uint16_t	AddByteArrayOption (uint32_t option, uint16_t opt_len, const std::string &input)

uint16_t	AddByteStringOption (uint32_t option, uint16_t opt_len, const std::string &input)

uint16_t	AddByteIPOption (uint32_t option, uint16_t opt_len, const std::string &input)

uint16_t	AddStringOption (uint32_t option, uint16_t opt_len, const std::string &input)

uint16_t	AddIntegerOption (uint32_t option, uint16_t opt_len, const std::string &input)

uint16_t	AddShortArrayOption (uint32_t option, uint16_t opt_len, const std::string &input, bool array)

bool	IsValidIpOption (uint32_t option, const std::string &ipstr, bool is_v4)

bool	IsValidDnsOption (uint32_t option, const std::string &ipstr)

uint16_t	AddIpv4Option (uint32_t option, uint16_t opt_len, const std::string &input, uint8_t min_count, uint8_t max_count, uint8_t multiples)

uint16_t	AddIpv6Option (uint32_t option, uint16_t opt_len, const std::string &input, bool list)

uint16_t	AddCompressedNameOption (uint32_t option, uint16_t opt_len, const std::string &input, bool list)

uint16_t	AddByteCompressedNameOption (uint32_t option, uint16_t opt_len, const std::string &input)

uint16_t	AddCompressedName (uint16_t opt_len, const std::string &input)

uint16_t	AddDnsServers (uint16_t opt_len)

void	ReadClasslessRoute (uint32_t option, uint16_t opt_len, const std::string &input)

uint16_t	AddClasslessRouteOption (uint16_t opt_len)

uint16_t	AddConfigDhcpOptions (uint16_t opt_len, bool is_v6)

uint16_t	AddDhcpOptions (uint16_t opt_len, std::vector< autogen::DhcpOptionType > &options, DhcpOptionLevel level)

void	FindDomainName (const IpAddress &vm_addr)

bool	CanOverrideWithBytes (DhcpOptionCategory category)

bool	is_flag_set (uint8_t flag) const

void	set_flag (uint8_t flag)

bool	is_dns_enabled () const

	DISALLOW_COPY_AND_ASSIGN (DhcpHandlerBase)

Protected Attributes inherited from DhcpHandlerBase
VmInterface *	vm_itf_

uint32_t	vm_itf_index_

ConfigRecord	config_

boost::scoped_ptr< DhcpOptionHandler >	option_

std::bitset< 256 >	flags_

bool	dns_enable_

std::string	routers_

std::vector< OperDhcpOptions::HostRoute >	host_routes_

DhcpOptionLevel	host_routes_level_

std::string	ipam_name_

autogen::IpamType	ipam_type_

autogen::VirtualDnsType	vdns_type_

uint32_t	siaddr_tftp_

Protected Attributes inherited from ProtoHandler
Agent *	agent_

boost::shared_ptr< PktInfo >	pkt_info_

boost::asio::io_context &	io_

Detailed Description

Definition at line 261 of file dhcp_handler.h.

Constructor & Destructor Documentation

◆ DhcpHandler()

DhcpHandler::DhcpHandler	(	Agent *	agent,
		boost::shared_ptr< PktInfo >	info,
		boost::asio::io_context &	io
	)

Definition at line 327 of file dhcp_handler.cc.

◆ ~DhcpHandler()

DhcpHandler::~DhcpHandler ( )

virtual

Definition at line 335 of file dhcp_handler.cc.

Member Function Documentation

◆ AddDomainNameOption()

uint16_t DhcpHandler::AddDomainNameOption ( uint16_t opt_len )

private

Definition at line 939 of file dhcp_handler.cc.

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◆ AddIP()

uint16_t DhcpHandler::AddIP	(	uint16_t	opt_len,
		const std::string &	input
	)

privatevirtual

Implements DhcpHandlerBase.

Definition at line 924 of file dhcp_handler.cc.

◆ CreateRelayPacket()

bool DhcpHandler::CreateRelayPacket ( )

private

Definition at line 739 of file dhcp_handler.cc.

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◆ CreateRelayResponsePacket()

bool DhcpHandler::CreateRelayResponsePacket ( )

private

Definition at line 820 of file dhcp_handler.cc.

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◆ DhcpHdr()

uint16_t DhcpHandler::DhcpHdr	(	in_addr_t	yiaddr,
		in_addr_t	siaddr
	)

private

Definition at line 950 of file dhcp_handler.cc.

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◆ DhcpTrace()

void DhcpHandler::DhcpTrace ( const std::string & msg ) const

privatevirtual

Implements DhcpHandlerBase.

Definition at line 1203 of file dhcp_handler.cc.

◆ DISALLOW_COPY_AND_ASSIGN()

DhcpHandler::DISALLOW_COPY_AND_ASSIGN ( DhcpHandler )

private

◆ FillDhcpInfo()

void DhcpHandler::FillDhcpInfo	(	Ip4Address &	addr,
		int	plen,
		Ip4Address &	gw,
		Ip4Address &	dns
	)

private

Definition at line 577 of file dhcp_handler.cc.

◆ FillDhcpResponse()

uint16_t DhcpHandler::FillDhcpResponse	(	const MacAddress &	dest_mac,
		in_addr_t	src_ip,
		in_addr_t	dest_ip,
		in_addr_t	siaddr,
		in_addr_t	yiaddr
	)

private

Definition at line 1051 of file dhcp_handler.cc.

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◆ FindLeaseData()

bool DhcpHandler::FindLeaseData ( )

private

Definition at line 626 of file dhcp_handler.cc.

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◆ GetGatewayInterfaceLease()

bool DhcpHandler::GetGatewayInterfaceLease ( )

private

Definition at line 589 of file dhcp_handler.cc.

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◆ HandleDhcpFromFabric()

bool DhcpHandler::HandleDhcpFromFabric ( )

private

Definition at line 493 of file dhcp_handler.cc.

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◆ HandleMessage()

bool DhcpHandler::HandleMessage ( )

private

Definition at line 477 of file dhcp_handler.cc.

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◆ HandleVmRequest()

bool DhcpHandler::HandleVmRequest ( )

private

Definition at line 348 of file dhcp_handler.cc.

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◆ IsOptionRequested()

bool DhcpHandler::IsOptionRequested ( uint8_t option )

private

Definition at line 1123 of file dhcp_handler.cc.

◆ IsRouterOptionNeeded()

bool DhcpHandler::IsRouterOptionNeeded ( )

private

Definition at line 1131 of file dhcp_handler.cc.

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◆ OptionCategory()

DhcpHandler::DhcpOptionCategory DhcpHandler::OptionCategory ( uint32_t option ) const

privatevirtual

Implements DhcpHandlerBase.

Definition at line 1153 of file dhcp_handler.cc.

◆ OptionCode()

uint32_t DhcpHandler::OptionCode ( const std::string & option ) const

privatevirtual

Implements DhcpHandlerBase.

Definition at line 1160 of file dhcp_handler.cc.

◆ ReadOption82()

bool DhcpHandler::ReadOption82 ( Dhcpv4Options * opt )

private

Definition at line 705 of file dhcp_handler.cc.

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◆ ReadOptions()

bool DhcpHandler::ReadOptions ( int16_t opt_rem_len )

private

Definition at line 512 of file dhcp_handler.cc.

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◆ RelayRequestToFabric()

void DhcpHandler::RelayRequestToFabric ( )

private

Definition at line 893 of file dhcp_handler.cc.

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◆ RelayResponseFromFabric()

void DhcpHandler::RelayResponseFromFabric ( )

private

Definition at line 901 of file dhcp_handler.cc.

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◆ ReleaseGatewayInterfaceLease()

void DhcpHandler::ReleaseGatewayInterfaceLease ( )

private

Definition at line 616 of file dhcp_handler.cc.

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◆ Run()

bool DhcpHandler::Run ( void )

virtual

Implements ProtoHandler.

Definition at line 338 of file dhcp_handler.cc.

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◆ SendDhcpResponse()

void DhcpHandler::SendDhcpResponse ( )

private

Definition at line 1078 of file dhcp_handler.cc.

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◆ UpdateStats()

void DhcpHandler::UpdateStats ( )

private

Definition at line 1145 of file dhcp_handler.cc.

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◆ WriteOption82()

void DhcpHandler::WriteOption82	(	Dhcpv4Options *	opt,
		uint16_t *	optlen
	)

private

Definition at line 693 of file dhcp_handler.cc.

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Member Data Documentation

◆ dhcp_

dhcphdr* DhcpHandler::dhcp_

private

Definition at line 344 of file dhcp_handler.h.

◆ msg_type_

uint8_t DhcpHandler::msg_type_

private

Definition at line 345 of file dhcp_handler.h.

◆ nak_msg_

std::string DhcpHandler::nak_msg_

private

Definition at line 349 of file dhcp_handler.h.

◆ out_msg_type_

uint8_t DhcpHandler::out_msg_type_

private

Definition at line 346 of file dhcp_handler.h.

◆ parameters_

std::string DhcpHandler::parameters_

private

Definition at line 348 of file dhcp_handler.h.

◆ request_

DhcpRequestData DhcpHandler::request_

private

Definition at line 350 of file dhcp_handler.h.

The documentation for this class was generated from the following files:

Classes

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DhcpHandler()

◆ ~DhcpHandler()

Member Function Documentation

◆ AddDomainNameOption()

◆ AddIP()

◆ CreateRelayPacket()

◆ CreateRelayResponsePacket()

◆ DhcpHdr()

◆ DhcpTrace()

◆ DISALLOW_COPY_AND_ASSIGN()

◆ FillDhcpInfo()

◆ FillDhcpResponse()

◆ FindLeaseData()

◆ GetGatewayInterfaceLease()

◆ HandleDhcpFromFabric()

◆ HandleMessage()

◆ HandleVmRequest()

◆ IsOptionRequested()

◆ IsRouterOptionNeeded()

◆ OptionCategory()

◆ OptionCode()

◆ ReadOption82()

◆ ReadOptions()

◆ RelayRequestToFabric()

◆ RelayResponseFromFabric()

◆ ReleaseGatewayInterfaceLease()

◆ Run()

◆ SendDhcpResponse()

◆ UpdateStats()

◆ WriteOption82()

Member Data Documentation

◆ dhcp_

◆ msg_type_

◆ nak_msg_

◆ out_msg_type_

◆ parameters_

◆ request_