Global definitions of structures, enums, and function prototypes. More...

#include <config.h>
#include <arpa/inet.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <uthash.h>

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Data Structures
union	ipaddr_t
	Memory space for a binary IP address saving. More...

struct	shared_network_t
	Counters for an individual shared network. More...

struct	range_t
	Counters for an individual range. More...

struct	output_helper_t
	Various per range and shared net temporary calculation results. More...

struct	leases_t
	An individual lease. More...

struct	output_sort
	Linked list of sort functions. More...

struct	conf_t
	Runtime configuration state. More...

Macros
#define	likely(x) (x)
	Symbolic call to __builtin_expect'ed branch. More...

#define	unlikely(x) (x)
	Symbolic call to not-__builtin_expect'ed branch. More...

#define	_DP_ATTRIBUTE_HOT /* empty */
	The function attribute hot was added in gcc 4.3. More...

#define	STATE_OK 0
	Nagios alarm exit value. More...

#define	STATE_WARNING 1

#define	STATE_CRITICAL 2

Typedefs
typedef int(*	comparer_t) (struct range_t r1, struct range_t r2)
	Function pointer holding sort algorithm. More...

Enumerations
enum	dhcp_version { IPvUNKNOWN, IPv4, IPv6 }
	The IP version, IPv4 or IPv6, served by the dhcpd. More...

enum	prefix_t { PREFIX_LEASE, PREFIX_BINDING_STATE_FREE, PREFIX_BINDING_STATE_ABANDONED, PREFIX_BINDING_STATE_EXPIRED, PREFIX_BINDING_STATE_RELEASED, PREFIX_BINDING_STATE_ACTIVE, PREFIX_BINDING_STATE_BACKUP, PREFIX_HARDWARE_ETHERNET, NUM_OF_PREFIX }
	Enumeration of interesting data in dhcpd.leases file, that has to be further examined, and saved. More...

enum	color_mode { color_unknown, color_off, color_on, color_auto }
	Enumeration whether to use or not color output. More...

enum	ltype { ACTIVE, FREE, BACKUP }
	Lease state types. More...

enum	limbits { R_BIT = (1 << 0), S_BIT = (1 << 1), A_BIT = (1 << 2) }
	Output limit bits. More...

Functions
void	prepare_data (struct conf_t *state)
	Prepare data for analysis. More...

void	do_counting (struct conf_t *state)
	Perform counting. More...

int	parse_leases (struct conf_t *state, const int print_mac_addreses)
	Lease file parser. More...

void	parse_config (struct conf_t state, const int is_include, const char restrict config_file, struct shared_network_t *restrict shared_p)
	The dhcpd.conf file parser. More...

void	add_lease_init (struct conf_t state, union ipaddr_t addr, enum ltype type)

void	add_lease_v4 (struct conf_t state, union ipaddr_t addr, enum ltype type)

void	add_lease_v6 (struct conf_t state, union ipaddr_t addr, enum ltype type)

struct leases_t *	find_lease_init (struct conf_t state, union ipaddr_t addr)

struct leases_t *	find_lease_v4 (struct conf_t state, union ipaddr_t addr)

struct leases_t *	find_lease_v6 (struct conf_t state, union ipaddr_t addr)

void	delete_lease (struct conf_t state, struct leases_t lease)
	Delete a lease from hash array. More...

void	delete_all_leases (struct conf_t *state)
	Delete all leases from hash array. More...

int	mustach_dhcpd_pools (struct conf_t *state)
	Start mustach processing. More...

void	set_ipv_functions (struct conf_t *state, int version)
	Set function pointers depending on IP version. More...

void	flip_ranges (struct conf_t *state)
	Reverse range. More...

void	clean_up (struct conf_t *state)
	Free memory, flush buffers etc. More...

void	parse_cidr (struct conf_t state, struct range_t range_p, const char *word)
	Convert a cidr notated address to a range. More...

int	parse_color_mode (const char *restrict optarg)
	Parse option argument color mode. More...

double	strtod_or_err (const char restrict str, const char restrict errmesg)
	Return a double floating point value. More...

void	__attribute__ ((noreturn)) print_version(void)

void	dp_time_tool (FILE file, const char path, int epoch)
	Print a time stamp of a path or now to output file. More...

int	parse_ipaddr_init (struct conf_t state, const char restrict src, union ipaddr_t *restrict dst)
	Convert text string IP address from either IPv4 or IPv6 to an integer. More...

int	parse_ipaddr_v4 (struct conf_t state, const char restrict src, union ipaddr_t *restrict dst)

int	parse_ipaddr_v6 (struct conf_t state, const char restrict src, union ipaddr_t *restrict dst)

int	xstrstr_init (struct conf_t state, const char restrict str)

int	xstrstr_v4 (struct conf_t state, const char restrict str)

int	xstrstr_v6 (struct conf_t state, const char restrict str)

void	copy_ipaddr_init (union ipaddr_t restrict dst, const union ipaddr_t restrict src)

void	copy_ipaddr_v4 (union ipaddr_t restrict dst, const union ipaddr_t restrict src)

void	copy_ipaddr_v6 (union ipaddr_t restrict dst, const union ipaddr_t restrict src)

const char *	ntop_ipaddr_init (const union ipaddr_t *ip)

const char *	ntop_ipaddr_v4 (const union ipaddr_t *ip)

const char *	ntop_ipaddr_v6 (const union ipaddr_t *ip)

double	get_range_size_init (const struct range_t *r)

double	get_range_size_v4 (const struct range_t *r)

double	get_range_size_v6 (const struct range_t *r)

int	range_output_helper (struct conf_t state, struct output_helper_t oh, struct range_t *range_p)
	Calculate range percentages and such. More...

int	shnet_output_helper (struct conf_t state, struct output_helper_t oh, struct shared_network_t *shared_p)
	Calculate shared network percentages and such. More...

int	output_analysis (struct conf_t *state, const char output_format)
	Return output_format_names enum based on single char input. More...

void	mergesort_ranges (struct conf_t state, struct range_t restrict orig, unsigned int size, struct range_t *restrict temp, const int root_call)
	Mergesort for range table. More...

int	leasecomp_init (const struct leases_t restrict a __attribute__((unused)), const struct leases_t restrict b __attribute__((unused)))
	Compare IP address in leases_t structure, with IPv4/v6 determination. More...

int	leasecomp_v4 (const struct leases_t restrict a, const struct leases_t restrict b)

int	leasecomp_v6 (const struct leases_t restrict a, const struct leases_t restrict b)

int	ipcomp_init (const union ipaddr_t restrict a, const union ipaddr_t restrict b)

int	ipcomp_v4 (const union ipaddr_t restrict a, const union ipaddr_t restrict b)

int	ipcomp_v6 (const union ipaddr_t restrict a, const union ipaddr_t restrict b)

int	rangecomp (const void restrict r1, const void restrict r2) __attribute__((nonnull(1

int int	comp_cur (struct range_t r1, struct range_t r2)
	Compare two range_t by their current usage. More...

int	comp_double (double f1, double f2)
	Compare two doubles. More...

int	comp_ip (struct range_t r1, struct range_t r2)
	Compare two range_t by their first_ip. More...

int	comp_max (struct range_t r1, struct range_t r2)
	Compare two range_t by their capacity. More...

int	comp_percent (struct range_t r1, struct range_t r2)
	Compare two range_t by their current usage percentage. More...

int	comp_tc (struct range_t r1, struct range_t r2)
	Compare two range_t by their touched and in use addresses. More...

int	comp_tcperc (struct range_t r1, struct range_t r2)
	Compare two range_t by their touched and in use percentage. More...

int	comp_touched (struct range_t r1, struct range_t r2)
	Compare two range_t by their touched addresses. More...

comparer_t	field_selector (char c)
	Sort field selector. More...

double	ret_percent (struct range_t r)
	Percentage in use in range. More...

double	ret_tc (struct range_t r)
	Touched and in use in range. More...

double	ret_tcperc (struct range_t r)
	Return percentage of addresses touched and in use in range. More...

Variables
void(*	add_lease )(struct conf_t state, union ipaddr_t addr, enum ltype type)

struct leases_t (	find_lease )(struct conf_t state, union ipaddr_t addr)

int(*	parse_ipaddr )(struct conf_t state, const char restrict src, union ipaddr_t *restrict dst)

int(*	xstrstr )(struct conf_t state, const char restrict str)

void(*	copy_ipaddr )(union ipaddr_t restrict dst, const union ipaddr_t restrict src)

const char (	ntop_ipaddr )(const union ipaddr_t *ip)

double(*	get_range_size )(const struct range_t *r)

int(*	leasecomp )(const struct leases_t restrict a, const struct leases_t restrict b)

int(*	ipcomp )(const union ipaddr_t restrict a, const union ipaddr_t restrict b)

Detailed Description

Global definitions of structures, enums, and function prototypes.

Macro Definition Documentation

◆ _DP_ATTRIBUTE_HOT

#define _DP_ATTRIBUTE_HOT /* empty */

The function attribute hot was added in gcc 4.3.

See gnu documentation for further information. https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-hot-function-attribute

◆ likely

#define likely ( x ) (x)

Symbolic call to __builtin_expect'ed branch.

◆ STATE_CRITICAL

#define STATE_CRITICAL 2

Referenced by output_alarming().

◆ STATE_OK

#define STATE_OK 0

Nagios alarm exit value.

Referenced by output_alarming().

◆ STATE_WARNING

#define STATE_WARNING 1

Referenced by output_alarming().

◆ unlikely

#define unlikely ( x ) (x)

Symbolic call to not-__builtin_expect'ed branch.

Referenced by do_counting(), and parse_config().

Typedef Documentation

◆ comparer_t

comparer_t

Function pointer holding sort algorithm.

Enumeration Type Documentation

◆ color_mode

enum color_mode

Enumeration whether to use or not color output.

Enumerator
color_unknown
color_off
color_on
color_auto	Default, use colors when output terminal is interactive.

◆ dhcp_version

enum dhcp_version

The IP version, IPv4 or IPv6, served by the dhcpd.

Enumerator
IPvUNKNOWN
IPv4
IPv6

◆ limbits

enum limbits

Output limit bits.

Enumerator
R_BIT	Range limit.
S_BIT	Shared networks limit.
A_BIT	All networks summary limit.

◆ ltype

enum ltype

Lease state types.

These are the possible values in struct leases_t.

Enumerator
ACTIVE
FREE
BACKUP

◆ prefix_t

enum prefix_t

Enumeration of interesting data in dhcpd.leases file, that has to be further examined, and saved.

Functions xstrstr_v4() and xstrstr_v6() return one of these values to parse_leases().

Enumerator
PREFIX_LEASE
PREFIX_BINDING_STATE_FREE
PREFIX_BINDING_STATE_ABANDONED
PREFIX_BINDING_STATE_EXPIRED
PREFIX_BINDING_STATE_RELEASED
PREFIX_BINDING_STATE_ACTIVE
PREFIX_BINDING_STATE_BACKUP
PREFIX_HARDWARE_ETHERNET
NUM_OF_PREFIX

Function Documentation

◆ attribute()

void __attribute__ ( (noreturn) )

◆ add_lease_init()

void add_lease_init	(	struct conf_t *	state,
		union ipaddr_t *	addr,
		enum ltype	type
	)

Referenced by set_ipv_functions().

◆ add_lease_v4()

void add_lease_v4	(	struct conf_t *	state,
		union ipaddr_t *	addr,
		enum ltype	type
	)

Referenced by set_ipv_functions().

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◆ add_lease_v6()

void add_lease_v6	(	struct conf_t *	state,
		union ipaddr_t *	addr,
		enum ltype	type
	)

Referenced by set_ipv_functions().

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◆ clean_up()

void clean_up ( struct conf_t * state )

Free memory, flush buffers etc.

Referenced by main().

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◆ comp_cur()

int int comp_cur	(	struct range_t *	r1,
		struct range_t *	r2
	)

Compare two range_t by their current usage.

Parameters

r1,r2 Pointers to data to compare.

Returns: Like strcmp.

Referenced by field_selector().

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◆ comp_double()

int comp_double	(	double	f1,
		double	f2
	)

Compare two doubles.

Parameters

f1,f2 Data to compare.

Returns: Like strcmp.

Referenced by comp_cur(), comp_max(), comp_percent(), comp_tc(), comp_tcperc(), and comp_touched().

◆ comp_ip()

int comp_ip	(	struct range_t *	r1,
		struct range_t *	r2
	)

Compare two range_t by their first_ip.

Parameters

r1,r2 Pointers to data to compare.

Returns: Like strcmp.

Referenced by field_selector().

◆ comp_max()

int comp_max	(	struct range_t *	r1,
		struct range_t *	r2
	)

Compare two range_t by their capacity.

Parameters

r1,r2 Pointers to data to compare.

Returns: Like strcmp.

Referenced by field_selector().

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◆ comp_percent()

int comp_percent	(	struct range_t *	r1,
		struct range_t *	r2
	)

Compare two range_t by their current usage percentage.

Parameters

r1,r2 Pointers to data to compare.

Returns: Like strcmp.

Referenced by field_selector().

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◆ comp_tc()

int comp_tc	(	struct range_t *	r1,
		struct range_t *	r2
	)

Compare two range_t by their touched and in use addresses.

Parameters

r1,r2 Pointers to data to compare.

Returns: Like strcmp.

Referenced by field_selector().

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◆ comp_tcperc()

int comp_tcperc	(	struct range_t *	r1,
		struct range_t *	r2
	)

Compare two range_t by their touched and in use percentage.

Parameters

r1,r2 Pointers to data to compare.

Returns: Like strcmp.

Referenced by field_selector().

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◆ comp_touched()

int comp_touched	(	struct range_t *	r1,
		struct range_t *	r2
	)

Compare two range_t by their touched addresses.

Parameters

r1,r2 Pointers to data to compare.

Returns: Like strcmp.

Referenced by field_selector().

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◆ copy_ipaddr_init()

void copy_ipaddr_init	(	union ipaddr_t *restrict	dst,
		const union ipaddr_t *restrict	src
	)

◆ copy_ipaddr_v4()

void copy_ipaddr_v4	(	union ipaddr_t *restrict	dst,
		const union ipaddr_t *restrict	src
	)

Referenced by set_ipv_functions().

◆ copy_ipaddr_v6()

void copy_ipaddr_v6	(	union ipaddr_t *restrict	dst,
		const union ipaddr_t *restrict	src
	)

Referenced by set_ipv_functions().

◆ delete_all_leases()

void delete_all_leases ( struct conf_t * state )

Delete all leases from hash array.

Referenced by clean_up(), and delete_lease().

◆ delete_lease()

void delete_lease	(	struct conf_t *	state,
		struct leases_t *	lease
	)

Delete a lease from hash array.

Parameters

lease Pointer to lease hash.

Referenced by parse_leases().

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◆ do_counting()

void do_counting ( struct conf_t * state )

Perform counting.

Join leases with ranges, and update range and shared network counters.

Referenced by main().

◆ dp_time_tool()

void dp_time_tool	(	FILE *	file,
		const char *	path,
		int	epoch
	)

Print a time stamp of a path or now to output file.

Referenced by html_header(), must_put_base(), must_put_range(), must_put_shnet(), and output_json().

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◆ field_selector()

comparer_t field_selector ( char c )

Sort field selector.

Parameters

c	Symbolic name of a sort by character. The sort algorithms are stabile, which means multiple sorts can be specified and they do not mess the result of previous sort. The sort algorithms are used via function pointer, that gets to be reassigned.

Returns: Return the selected compare function.

Referenced by parse_command_line_opts().

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◆ find_lease_init()

struct leases_t* find_lease_init	(	struct conf_t *	state,
		union ipaddr_t *	addr
	)

Referenced by set_ipv_functions().

◆ find_lease_v4()

struct leases_t* find_lease_v4	(	struct conf_t *	state,
		union ipaddr_t *	addr
	)

Referenced by set_ipv_functions().

◆ find_lease_v6()

struct leases_t* find_lease_v6	(	struct conf_t *	state,
		union ipaddr_t *	addr
	)

Referenced by set_ipv_functions().

◆ flip_ranges()

void flip_ranges ( struct conf_t * state )

Reverse range.

Used before output, if a caller has requested reverse sorting.

Referenced by main().

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◆ get_range_size_init()

double get_range_size_init ( const struct range_t * r )

◆ get_range_size_v4()

double get_range_size_v4 ( const struct range_t * r )

Referenced by set_ipv_functions().

◆ get_range_size_v6()

double get_range_size_v6 ( const struct range_t * r )

Referenced by set_ipv_functions().

◆ ipcomp_init()

int ipcomp_init	(	const union ipaddr_t *restrict	a,
		const union ipaddr_t *restrict	b
	)

Referenced by set_ipv_functions().

◆ ipcomp_v4()

int ipcomp_v4	(	const union ipaddr_t *restrict	a,
		const union ipaddr_t *restrict	b
	)

Referenced by set_ipv_functions().

◆ ipcomp_v6()

int ipcomp_v6	(	const union ipaddr_t *restrict	a,
		const union ipaddr_t *restrict	b
	)

Referenced by set_ipv_functions().

◆ leasecomp_init()

int leasecomp_init	(	const struct leases_t *restrict a	__attribute__(unused),
		const struct leases_t *restrict b	__attribute__(unused)
	)

Compare IP address in leases_t structure, with IPv4/v6 determination.

Parameters

a	Binary IP address.
b	Binary IP address.

Returns: If a < b return -1, if a < b return 1, when they are equal return 0.

Referenced by set_ipv_functions().

◆ leasecomp_v4()

int leasecomp_v4	(	const struct leases_t *restrict	a,
		const struct leases_t *restrict	b
	)

Referenced by set_ipv_functions().

◆ leasecomp_v6()

int leasecomp_v6	(	const struct leases_t *restrict	a,
		const struct leases_t *restrict	b
	)

Referenced by set_ipv_functions().

◆ mergesort_ranges()

void mergesort_ranges	(	struct conf_t *	state,
		struct range_t *restrict	orig,
		unsigned int	size,
		struct range_t *restrict	temp,
		const int	root_call
	)

Mergesort for range table.

Referenced by main().

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◆ mustach_dhcpd_pools()

int mustach_dhcpd_pools ( struct conf_t * state )

Start mustach processing.

Referenced by output_analysis().

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◆ ntop_ipaddr_init()

const char* ntop_ipaddr_init ( const union ipaddr_t * ip )

◆ ntop_ipaddr_v4()

const char* ntop_ipaddr_v4 ( const union ipaddr_t * ip )

Referenced by set_ipv_functions().

◆ ntop_ipaddr_v6()

const char* ntop_ipaddr_v6 ( const union ipaddr_t * ip )

Referenced by set_ipv_functions().

◆ output_analysis()

int output_analysis	(	struct conf_t *	state,
		const char	output_format
	)

Return output_format_names enum based on single char input.

Referenced by main().

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◆ parse_cidr()

void parse_cidr	(	struct conf_t *	state,
		struct range_t *	range_p,
		const char *	word
	)

Convert a cidr notated address to a range.

Parameters

range_p	Pointer to memory where addresses need to be stored.
word	A range as a cidr string.

Referenced by parse_config().

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◆ parse_color_mode()

int parse_color_mode ( const char *restrict optarg )

Parse option argument color mode.

Parameters

Color mode string.

Returns: color mode enum.

Referenced by parse_command_line_opts().

◆ parse_config()

void parse_config	(	struct conf_t *	state,
		const int	is_include,
		const char *restrict	config_file,
		struct shared_network_t *restrict	shared_p
	)

The dhcpd.conf file parser.

FIXME: This spaghetti monster function needs to be rewrote at least ones more.

Referenced by main().

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◆ parse_ipaddr_init()

int parse_ipaddr_init	(	struct conf_t *	state,
		const char *restrict	src,
		union ipaddr_t *restrict	dst
	)

Convert text string IP address from either IPv4 or IPv6 to an integer.

Parameters

src	An IP string in either format.
dst	An union which will hold conversion result.

Returns: Was parsing successful.

Referenced by set_ipv_functions().

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◆ parse_ipaddr_v4()

int parse_ipaddr_v4	(	struct conf_t *	state,
		const char *restrict	src,
		union ipaddr_t *restrict	dst
	)

◆ parse_ipaddr_v6()

int parse_ipaddr_v6	(	struct conf_t *	state,
		const char *restrict	src,
		union ipaddr_t *restrict	dst
	)

◆ parse_leases()

int parse_leases	(	struct conf_t *	state,
		const int	print_mac_addreses
	)

Lease file parser.

The parser can only read ISC DHCPD dhcpd.leases file format.

Referenced by main().

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◆ prepare_data()

void prepare_data ( struct conf_t * state )

Prepare data for analysis.

The function will sort leases and ranges.

Referenced by main().

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◆ range_output_helper()

int range_output_helper	(	struct conf_t *	state,
		struct output_helper_t *	oh,
		struct range_t *	range_p
	)

Calculate range percentages and such.

Returns: Indicator if the entry should be skipped from output.

Referenced by must_next_range(), output_alarming(), output_csv(), output_html(), output_json(), output_txt(), and output_xml().

◆ rangecomp()

int rangecomp	(	const void *restrict	r1,
		const void *restrict	r2
	)

Referenced by prepare_data().

◆ ret_percent()

double ret_percent ( struct range_t r )

Percentage in use in range.

Parameters

r	A range structure.

Returns: Usage percentage of the given range.

Referenced by comp_percent().

◆ ret_tc()

double ret_tc ( struct range_t r )

Touched and in use in range.

Parameters

r	A range structure.

Returns: Number of touched or in use addresses in the given range.

Referenced by comp_tc(), and ret_tcperc().

◆ ret_tcperc()

double ret_tcperc ( struct range_t r )

Return percentage of addresses touched and in use in range.

Parameters

r	A range structure.

Returns: Percentage of touched or in use addresses in the given range.

Referenced by comp_tcperc().

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◆ set_ipv_functions()

void set_ipv_functions	(	struct conf_t *	state,
		int	version
	)

Set function pointers depending on IP version.

Parameters

ip	IP version.

Referenced by main(), parse_cidr(), parse_command_line_opts(), parse_ipaddr_init(), and xstrstr_init().

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◆ shnet_output_helper()

int shnet_output_helper	(	struct conf_t *	state,
		struct output_helper_t *	oh,
		struct shared_network_t *	shared_p
	)

Calculate shared network percentages and such.

Returns: Indicator if the entry should be skipped from output.

Referenced by must_enter(), must_next_shnet(), output_alarming(), output_csv(), output_html(), output_json(), output_txt(), and output_xml().

◆ strtod_or_err()

double strtod_or_err	(	const char *restrict	str,
		const char *restrict	errmesg
	)

Return a double floating point value.

Parameters

str	String to be converted to a double.
errmesg	Exit error message if conversion fails.

Returns: Binary result of string to double conversion.

Referenced by parse_command_line_opts().

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◆ xstrstr_init()

int xstrstr_init	(	struct conf_t *	state,
		const char *restrict	str
	)

Referenced by set_ipv_functions().

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◆ xstrstr_v4()

int xstrstr_v4	(	struct conf_t *	state,
		const char *restrict	str
	)

◆ xstrstr_v6()

int xstrstr_v6	(	struct conf_t *	state,
		const char *restrict	str
	)

Variable Documentation

◆ add_lease

void(* add_lease) (struct conf_t *state, union ipaddr_t *addr, enum ltype type)

Referenced by parse_leases(), and set_ipv_functions().

◆ copy_ipaddr

void(* copy_ipaddr) (union ipaddr_t *restrict dst, const union ipaddr_t *restrict src)

Referenced by add_lease_v4(), add_lease_v6(), parse_cidr(), parse_config(), and set_ipv_functions().

◆ find_lease

struct leases_t*(* find_lease) (struct conf_t *state, union ipaddr_t *addr)

Referenced by parse_leases(), and set_ipv_functions().

◆ get_range_size

double(* get_range_size) (const struct range_t *r)

Referenced by comp_max(), do_counting(), range_output_helper(), ret_percent(), ret_tcperc(), and set_ipv_functions().

◆ ipcomp

int(* ipcomp) (const union ipaddr_t *restrict a, const union ipaddr_t *restrict b)

Referenced by comp_ip(), do_counting(), rangecomp(), reorder_last_first(), and set_ipv_functions().

◆ leasecomp

int(* leasecomp) (const struct leases_t *restrict a, const struct leases_t *restrict b)

Referenced by prepare_data(), and set_ipv_functions().

◆ ntop_ipaddr

const char*(* ntop_ipaddr) (const union ipaddr_t *ip)

Referenced by cidr_last_v4(), must_put_range(), output_alarming(), output_csv(), output_html(), output_json(), output_txt(), output_xml(), and set_ipv_functions().

◆ parse_ipaddr

int(* parse_ipaddr) (struct conf_t *state, const char *restrict src, union ipaddr_t *restrict dst)

Referenced by parse_cidr(), parse_config(), parse_ipaddr_init(), parse_leases(), and set_ipv_functions().

◆ xstrstr

int(* xstrstr) (struct conf_t *state, const char *restrict str)

Referenced by parse_leases(), and set_ipv_functions().

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ _DP_ATTRIBUTE_HOT

◆ likely

◆ STATE_CRITICAL

◆ STATE_OK

◆ STATE_WARNING

◆ unlikely

Typedef Documentation

◆ comparer_t

Enumeration Type Documentation

◆ color_mode

◆ dhcp_version

◆ limbits

◆ ltype

◆ prefix_t

Function Documentation

◆ __attribute__()

◆ add_lease_init()

◆ add_lease_v4()

◆ add_lease_v6()

◆ clean_up()

◆ comp_cur()

◆ comp_double()

◆ comp_ip()

◆ comp_max()

◆ comp_percent()

◆ comp_tc()

◆ comp_tcperc()

◆ comp_touched()

◆ copy_ipaddr_init()

◆ copy_ipaddr_v4()

◆ copy_ipaddr_v6()

◆ delete_all_leases()

◆ delete_lease()

◆ do_counting()

◆ dp_time_tool()

◆ field_selector()

◆ find_lease_init()

◆ find_lease_v4()

◆ find_lease_v6()

◆ flip_ranges()

◆ get_range_size_init()

◆ get_range_size_v4()

◆ get_range_size_v6()

◆ ipcomp_init()

◆ ipcomp_v4()

◆ ipcomp_v6()

◆ leasecomp_init()

◆ leasecomp_v4()

◆ leasecomp_v6()

◆ mergesort_ranges()

◆ mustach_dhcpd_pools()

◆ ntop_ipaddr_init()

◆ ntop_ipaddr_v4()

◆ ntop_ipaddr_v6()

◆ output_analysis()

◆ parse_cidr()

◆ parse_color_mode()

◆ parse_config()

◆ parse_ipaddr_init()

◆ parse_ipaddr_v4()

◆ parse_ipaddr_v6()

◆ parse_leases()

◆ prepare_data()

◆ range_output_helper()

◆ rangecomp()

◆ ret_percent()

◆ ret_tc()

◆ ret_tcperc()

◆ set_ipv_functions()

◆ shnet_output_helper()

◆ strtod_or_err()

◆ xstrstr_init()

◆ attribute()