parse.c File Reference

#include "squid.h"
#include "asn1.h"
#include "cache_snmp.h"
#include "parse.h"
#include "snmp_debug.h"
#include "snmp_pdu.h"
#include "snmp_vars.h"
#include "util.h"

Include dependency graph for parse.c:

Go to the source code of this file.

Classes
struct	subid
struct	node
struct	tok

Macros
#define	CONTINUE   -1
#define	ENDOFFILE   0
#define	LABEL   1
#define	SUBTREE   2
#define	SYNTAX   3
#define	OBJID   4
#define	OCTETSTR   5
#define	INTEGER   6
#define	NETADDR   7
#define	IPADDR   8
#define	COUNTER   9
#define	GAUGE   10
#define	TIMETICKS   11
#define	SNMP_OPAQUE   12
#define	NUL   13
#define	SEQUENCE   14
#define	OF   15 /* SEQUENCE OF */
#define	OBJTYPE   16
#define	ACCESS   17
#define	READONLY   18
#define	READWRITE   19
#define	WRITEONLY   20
#define	NOACCESS   21
#define	SNMP_STATUS   22
#define	MANDATORY   23
#define	SNMP_OPTIONAL   24
#define	OBSOLETE   25
#define	RECOMMENDED   26
#define	PUNCT   27
#define	EQUALS   28
#define	NUMBER   29
#define	LEFTBRACKET   30
#define	RIGHTBRACKET   31
#define	LEFTPAREN   32
#define	RIGHTPAREN   33
#define	COMMA   34
#define	DESCRIPTION   35
#define	INDEX   36
#define	QUOTE   37
#define	HASHSIZE   32
#define	BUCKET(x)   (x & 0x01F)
#define	NHASHSIZE   128
#define	NBUCKET(x)   (x & 0x7F)

Functions
static void	hash_init (void)
static void	init_node_hash (struct node *nodes)
static void	print_error (const char *string, const char *token, int type)
static void	build_translation_table (void)
static void	do_subtree (struct snmp_mib_tree *root, struct node **nodes)
static struct snmp_mib_tree *	build_tree (struct node *nodes)
static int	get_token (register FILE *fp, register char *token)
static int	getoid (register FILE *fp, register struct subid *SubOid, int length)
static void	free_node (struct node *np)
static void	free_node_list (struct node *nl)
static struct node *	parse_objectid (FILE *fp, char *name)
static int	parse_asntype (FILE *fp)
static struct node *	parse_objecttype (register FILE *fp, char *name)
static struct node *	parse (FILE *fp)
struct snmp_mib_tree *	read_mib (char *filename)

Variables
int	Line = 1
struct tok	tokens []
static struct tok *	buckets [HASHSIZE]
struct node *	nbuckets [NHASHSIZE]
int	translation_table [40]
static char	last = ' '

Macro Definition Documentation

ACCESS

#define ACCESS   17

Definition at line 136 of file parse.c.

BUCKET

#define BUCKET

(

x

)

(x & 0x01F)

Definition at line 217 of file parse.c.

COMMA

#define COMMA   34

Definition at line 154 of file parse.c.

CONTINUE

#define CONTINUE   -1

Definition at line 116 of file parse.c.

COUNTER

#define COUNTER   9

Definition at line 128 of file parse.c.

DESCRIPTION

#define DESCRIPTION   35

Definition at line 156 of file parse.c.

ENDOFFILE

#define ENDOFFILE   0

Definition at line 117 of file parse.c.

EQUALS

#define EQUALS   28

Definition at line 148 of file parse.c.

GAUGE

#define GAUGE   10

Definition at line 129 of file parse.c.

HASHSIZE

#define HASHSIZE   32

Definition at line 216 of file parse.c.

INDEX

#define INDEX   36

Definition at line 157 of file parse.c.

INTEGER

#define INTEGER   6

Definition at line 125 of file parse.c.

IPADDR

#define IPADDR   8

Definition at line 127 of file parse.c.

LABEL

#define LABEL   1

Definition at line 118 of file parse.c.

LEFTBRACKET

#define LEFTBRACKET   30

Definition at line 150 of file parse.c.

LEFTPAREN

#define LEFTPAREN   32

Definition at line 152 of file parse.c.

MANDATORY

#define MANDATORY   23

Definition at line 143 of file parse.c.

NBUCKET

#define NBUCKET

(

x

)

(x & 0x7F)

Definition at line 242 of file parse.c.

NETADDR

#define NETADDR   7

Definition at line 126 of file parse.c.

NHASHSIZE

#define NHASHSIZE   128

Definition at line 241 of file parse.c.

NOACCESS

#define NOACCESS   21

Definition at line 141 of file parse.c.

NUL

#define NUL   13

Definition at line 132 of file parse.c.

NUMBER

#define NUMBER   29

Definition at line 149 of file parse.c.

OBJID

#define OBJID   4

Definition at line 122 of file parse.c.

OBJTYPE

#define OBJTYPE   16

Definition at line 135 of file parse.c.

OBSOLETE

#define OBSOLETE   25

Definition at line 145 of file parse.c.

OCTETSTR

#define OCTETSTR   5

Definition at line 123 of file parse.c.

OF

#define OF   15 /* SEQUENCE OF */

Definition at line 134 of file parse.c.

PUNCT

#define PUNCT   27

Definition at line 147 of file parse.c.

QUOTE

#define QUOTE   37

Definition at line 158 of file parse.c.

READONLY

#define READONLY   18

Definition at line 137 of file parse.c.

READWRITE

#define READWRITE   19

Definition at line 138 of file parse.c.

RECOMMENDED

#define RECOMMENDED   26

Definition at line 146 of file parse.c.

RIGHTBRACKET

#define RIGHTBRACKET   31

Definition at line 151 of file parse.c.

RIGHTPAREN

#define RIGHTPAREN   33

Definition at line 153 of file parse.c.

SEQUENCE

#define SEQUENCE   14

Definition at line 133 of file parse.c.

SNMP_OPAQUE

#define SNMP_OPAQUE   12

Definition at line 131 of file parse.c.

SNMP_OPTIONAL

#define SNMP_OPTIONAL   24

Definition at line 144 of file parse.c.

SNMP_STATUS

#define SNMP_STATUS   22

Definition at line 142 of file parse.c.

SUBTREE

#define SUBTREE   2

Definition at line 119 of file parse.c.

SYNTAX

#define SYNTAX   3

Definition at line 120 of file parse.c.

TIMETICKS

#define TIMETICKS   11

Definition at line 130 of file parse.c.

WRITEONLY

#define WRITEONLY   20

Definition at line 139 of file parse.c.

Function Documentation

build_translation_table()

static void build_translation_table ( void  )

static

Definition at line 279 of file parse.c.

References COUNTER, GAUGE, INTEGER, IPADDR, NETADDR, NUL, OBJID, OCTETSTR, SNMP_OPAQUE, TIMETICKS, translation_table, TYPE_COUNTER, TYPE_GAUGE, TYPE_INTEGER, TYPE_IPADDR, TYPE_NULL, TYPE_OBJID, TYPE_OCTETSTR, TYPE_OPAQUE, TYPE_OTHER, and TYPE_TIMETICKS.

Referenced by build_tree().

build_tree()

static struct snmp_mib_tree * build_tree ( struct node *  nodes )

static

Definition at line 408 of file parse.c.

References build_translation_table(), snmp_mib_tree::child_list, do_subtree(), snmp_mib_tree::enums, init_node_hash(), snmp_mib_tree::label, node::label, nbuckets, node::next, snmp_mib_tree::next_peer, NHASHSIZE, NULL, snmp_mib_tree::parent, node::parent, snmplib_debug(), snmp_mib_tree::subid, node::subid, snmp_mib_tree::type, node::type, and xmalloc.

Referenced by read_mib().

do_subtree()

static void do_subtree ( struct snmp_mib_tree *  root, struct node **  nodes  )

static

Definition at line 327 of file parse.c.

References snmp_mib_tree::child_list, do_subtree(), snmp_mib_tree::enums, node::enums, hash, snmp_mib_tree::label, node::label, NBUCKET, nbuckets, node::next, snmp_mib_tree::next_peer, NULL, snmp_mib_tree::parent, node::parent, snmp_mib_tree::subid, node::subid, translation_table, snmp_mib_tree::type, node::type, xfree, and xmalloc.

Referenced by build_tree(), and do_subtree().

free_node()

static void free_node ( struct node *  np )

static

Definition at line 590 of file parse.c.

References node::enums, enum_list::next, and xfree.

Referenced by free_node_list(), parse_objectid(), and parse_objecttype().

free_node_list()

static void free_node_list ( struct node *  nl )

static

Definition at line 604 of file parse.c.

References free_node(), and node::next.

Referenced by parse(), and parse_objectid().

get_token()

static int get_token ( register FILE *  fp, register char *  token  )

static

Definition at line 454 of file parse.c.

References BUCKET, buckets, CONTINUE, ENDOFFILE, get_token(), tok::hash, hash, LABEL, last, Line, tok::name, tok::next, NUMBER, tok::token, xisdigit, and xisspace.

Referenced by get_token(), getoid(), parse(), parse_asntype(), parse_objectid(), and parse_objecttype().

getoid()

static int getoid ( register FILE *  fp, register struct subid *  SubOid, int  length  )

static

Definition at line 537 of file parse.c.

References subid::subid, get_token(), subid::label, LABEL, LEFTBRACKET, LEFTPAREN, NUMBER, print_error(), RIGHTBRACKET, RIGHTPAREN, tok::token, and xmalloc.

Referenced by parse_objectid(), and parse_objecttype().

hash_init()

static void hash_init ( void  )

static

Definition at line 222 of file parse.c.

References BUCKET, buckets, tok::hash, tok::name, tok::next, and tokens.

Referenced by parse().

init_node_hash()

static void init_node_hash ( struct node *  nodes )

static

Definition at line 246 of file parse.c.

References hash, NBUCKET, nbuckets, node::next, and node::parent.

Referenced by build_tree().

parse()

static struct node * parse ( FILE *  fp )

static

Definition at line 965 of file parse.c.

References ENDOFFILE, EQUALS, free_node_list(), get_token(), hash_init(), LABEL, node::next, NULL, OBJID, OBJTYPE, parse_asntype(), parse_objectid(), parse_objecttype(), print_error(), and node::type.

Referenced by read_mib().

parse_asntype()

static int parse_asntype ( FILE *  fp )

static

Definition at line 708 of file parse.c.

References ENDOFFILE, get_token(), print_error(), RIGHTBRACKET, SEQUENCE, and node::type.

Referenced by parse().

parse_objectid()

static struct node * parse_objectid ( FILE *  fp, char *  name  )

static

Definition at line 620 of file parse.c.

References subid::subid, EQUALS, free_node(), free_node_list(), get_token(), getoid(), subid::label, node::next, NULL, print_error(), node::type, xfree, and xmalloc.

Referenced by parse().

parse_objecttype()

static struct node * parse_objecttype ( register FILE *  fp, char *  name  )

static

Definition at line 731 of file parse.c.

References subid::subid, ACCESS, COUNTER, DESCRIPTION, ENDOFFILE, node::enums, EQUALS, free_node(), GAUGE, get_token(), getoid(), INDEX, INTEGER, IPADDR, enum_list::label, subid::label, node::label, LABEL, last, LEFTBRACKET, LEFTPAREN, Line, MANDATORY, NETADDR, enum_list::next, node::next, NOACCESS, NUL, NULL, NUMBER, OBJID, OBSOLETE, OCTETSTR, OF, node::parent, print_error(), QUOTE, READONLY, READWRITE, RECOMMENDED, RIGHTBRACKET, RIGHTPAREN, SEQUENCE, SNMP_OPAQUE, SNMP_OPTIONAL, SNMP_STATUS, node::subid, SYNTAX, TIMETICKS, node::type, enum_list::value, WRITEONLY, xfree, and xmalloc.

Referenced by parse().

print_error()

static void print_error ( const char *  string, const char *  token, int  type  )

static

Definition at line 265 of file parse.c.

References assert, ENDOFFILE, Line, NULL, snmplib_debug(), and node::type.

Referenced by getoid(), parse(), parse_asntype(), parse_objectid(), and parse_objecttype().

read_mib()

struct snmp_mib_tree * read_mib

(

char *

filename

)

Definition at line 1038 of file parse.c.

References build_tree(), NULL, parse(), snmplib_debug(), and xstrerr().

Referenced by init_mib().

Variable Documentation

buckets

struct tok* buckets[HASHSIZE]

static

Definition at line 219 of file parse.c.

Referenced by get_token(), hash_init(), Store::Disks::init(), wccp2AssignBuckets(), and wccpAssignBuckets().

last

char last = ' '

static

Definition at line 451 of file parse.c.

Referenced by fdAdjustReserved(), Debug::Finish(), get_token(), heap_print_inorder(), parse_objecttype(), CbDataList< C >::push_back_unique(), and CbDataList< C >::tail().

Line

int Line = 1

Definition at line 113 of file parse.c.

Referenced by get_token(), parse_objecttype(), and print_error().

nbuckets

struct node* nbuckets[NHASHSIZE]

Definition at line 243 of file parse.c.

Referenced by build_tree(), do_subtree(), init_node_hash(), and storeKeyHashBuckets().

tokens

struct tok tokens[]

Definition at line 168 of file parse.c.

Referenced by Format::Token::~Token(), ftpListParseParts(), hash_init(), and Format::FmtConfig::registerTokens().

translation_table

int translation_table[40]

Definition at line 276 of file parse.c.

Referenced by build_translation_table(), and do_subtree().