#include "ink_platform.h"
#include "ink_defs.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <arpa/nameser.h>
#include <arpa/nameser_compat.h>
#include <stdio.h>
#include <ctype.h>
#include <resolv.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "ink_string.h"
#include "ink_resolver.h"
#include "ink_inet.h"
#include "Tokenizer.h"

Include dependency graph for ink_res_init.cc:

Defines
#define	isascii(c) (!(c & 0200))
#define	MATCH(line, name)
Functions
static void	ink_res_nclose (ink_res_state statp)
static void	ink_res_setservers (ink_res_state statp, IpEndpoint const *set, int cnt)
int	ink_res_getservers (ink_res_state statp, sockaddr *set, int cnt)
static void	ink_res_setoptions (ink_res_state statp, const char options, const char source ATS_UNUSED)
static u_int	ink_res_randomid (void)
int	ink_res_init (ink_res_state statp, IpEndpoint const pHostList, size_t pHostListSize, const char pDefDomain, const char pSearchList, const char pResolvConf)
void	parse_host_res_preference (char const *value, HostResPreferenceOrder order)
	Parse a host resolution configuration string.
int	ts_host_res_order_to_string (HostResPreferenceOrder const &order, char *out, int size)
	Generate a string representation of a host resolution preference ordering.
Variables
HostResPreferenceOrder const	HOST_RES_DEFAULT_PREFERENCE_ORDER
	Global, hard wired default value for preference ordering.
HostResPreferenceOrder	host_res_default_preference_order
	Global (configurable) default.
char const *const	HOST_RES_PREFERENCE_STRING [N_HOST_RES_PREFERENCE]
	String versions of `FamilyPreference`.
char const *const	HOST_RES_STYLE_STRING []
	Strings for host resolution styles.

Define Documentation

#define isascii ( c ) (!(c & 0200))

Definition at line 94 of file ink_res_init.cc.

Referenced by remap_parse_config_bti().

#define MATCH	(	line,
		name
	)

Value:

(!strncmp(line, name, sizeof(name) - 1) &&    \
   (line[sizeof(name) - 1] == ' ' ||            \
    line[sizeof(name) - 1] == '\t'))

Referenced by ink_res_init().

Function Documentation

int ink_res_getservers	(	ink_res_state	statp,
		sockaddr *	set,
		int	cnt
	)

Definition at line 156 of file ink_res_init.cc.

References ats_ip_copy(), ts_imp_res_state::nsaddr_list, ts_imp_res_state::nscount, and IpEndpoint::sa.

int ink_res_init	(	ink_res_state	statp,
		IpEndpoint const *	pHostList,
		size_t	pHostListSize,
		const char *	pDefDomain,
		const char *	pSearchList,
		const char *	pResolvConf
	)

Parameters:

	statp	State object to update.
	pHostList	Additional servers.
	pHostListSize	# of entries in pHostList.
	pDefDomain	Default domain (may be NULL).
	pSearchList	Unknown
	pResolvConf	Path to configuration file.

Definition at line 297 of file ink_res_init.cc.

Referenced by DNSProcessor::dns_init().

static void ink_res_nclose ( ink_res_state statp ) [static]

Definition at line 121 of file ink_res_init.cc.

References ts_imp_res_state::_flags, ts_imp_res_state::_vcsock, and INK_RES_F_VC.

Referenced by ink_res_setservers().

static u_int ink_res_randomid ( void ) [static]

Definition at line 266 of file ink_res_init.cc.

Referenced by ink_res_init().

static void ink_res_setoptions	(	ink_res_state	statp,
		const char *	options,
		const char *source	ATS_UNUSED
	)			`[static]`

Definition at line 170 of file ink_res_init.cc.

References INK_RES_DEBUG, INK_RES_MAXNDOTS, INK_RES_MAXRETRANS, INK_RES_MAXRETRY, ts_imp_res_state::ndots, ts_imp_res_state::options, ts_imp_res_state::retrans, and ts_imp_res_state::retry.

Referenced by ink_res_init().

static void ink_res_setservers	(	ink_res_state	statp,
		IpEndpoint const *	set,
		int	cnt
	)			`[static]`

Definition at line 130 of file ink_res_init.cc.

References ats_ip_copy(), ats_is_ip(), INK_MAXNS, ink_res_nclose(), ts_imp_res_state::nsaddr_list, ts_imp_res_state::nscount, and IpEndpoint::sa.

Referenced by ink_res_init().

void parse_host_res_preference	(	char const *	value,
		HostResPreferenceOrder	order
	)

Parse a host resolution configuration string.

Parameters:

`[in]`	value	Configuration string.
`[out]`	order	Order to update.

Definition at line 582 of file ink_res_init.cc.

References HOST_RES_PREFER_IPV4, HOST_RES_PREFER_IPV6, HOST_RES_PREFER_NONE, HOST_RES_PREFERENCE_STRING, Tokenizer::Initialize(), N_HOST_RES_PREFERENCE, and N_HOST_RES_PREFERENCE_ORDER.

Referenced by HttpProxyPort::processFamilyPreference(), and ts_host_res_global_init().

int ts_host_res_order_to_string	(	HostResPreferenceOrder const &	order,
		char *	out,
		int	size
	)

Generate a string representation of a host resolution preference ordering.

Returns:: The length of the string.

Parameters:

	order	order to print
	out	Target buffer for string.
	size	Size of buffer.

Definition at line 630 of file ink_res_init.cc.

References HOST_RES_PREFER_NONE, HOST_RES_PREFERENCE_STRING, and N_HOST_RES_PREFERENCE_ORDER.

Referenced by HttpProxyPort::print().

Variable Documentation

HostResPreferenceOrder const HOST_RES_DEFAULT_PREFERENCE_ORDER

Initial value:

 {
  HOST_RES_PREFER_IPV4,
  HOST_RES_PREFER_IPV6,
  HOST_RES_PREFER_NONE
}

Global, hard wired default value for preference ordering.

Definition at line 97 of file ink_res_init.cc.

Referenced by ts_host_res_global_init().

HostResPreferenceOrder host_res_default_preference_order

Global (configurable) default.

Definition at line 103 of file ink_res_init.cc.

Referenced by HttpProxyPort::HttpProxyPort(), detail::HttpSessionAcceptOptions::HttpSessionAcceptOptions(), HttpProxyPort::print(), and ts_host_res_global_init().

char const* const HOST_RES_PREFERENCE_STRING[N_HOST_RES_PREFERENCE]

Initial value:

 {
    "only", "client", "ipv4", "ipv6"
}

String versions of FamilyPreference.

Definition at line 105 of file ink_res_init.cc.

Referenced by parse_host_res_preference(), HttpProxyPort::processOptions(), and ts_host_res_order_to_string().

char const* const HOST_RES_STYLE_STRING[]

Initial value:

 {
  "invalid", "IPv4", "IPv4 only", "IPv6", "IPv6 only"
}

Strings for host resolution styles.

Definition at line 109 of file ink_res_init.cc.

ink_res_init.cc File Reference

Defines

Functions

Variables

Define Documentation

Function Documentation

Variable Documentation