amxo_parser_mibs.c File Reference

#include "amxo_parser_priv.h"
#include "amxo_parser_hooks_priv.h"

Go to the source code of this file.

Data Structures
struct	_mib_info

Macros
#define	_GNU_SOURCE

Typedefs
typedef struct _mib_info	mib_info_t

Functions
static void	amxo_parser_add_mib_info (amxc_htable_t *mibs, const char *name, const char *expression, const char *file)
static FILE *	amxo_parser_open_mib_file (char *name, amxc_string_t *filename, char **first_line)
static bool	amxo_parser_build_mib_info (amxo_parser_t *parser, struct dirent *ep, amxc_string_t *filename, char *first_line)
static int	amxo_parser_scan (amxo_parser_t *parser, const char *path)
void	amxo_parser_del_mib_info (UNUSED const char *key, amxc_htable_it_t *it)
int	amxo_parser_scan_mib_dir (amxo_parser_t *parser, const char *path)
	Scans a directory for MIB odl files. More...
int	amxo_parser_scan_mib_dirs (amxo_parser_t *parser, amxc_var_t *dirs)
	Scans multiple directories for MIB odl files. More...
const char *	amxo_parser_get_mib_file (amxo_parser_t *parser, const char *mib_name)
	Get full path and file name of odl file describing a mib. More...
int	amxo_parser_load_mib (amxo_parser_t *parser, amxd_dm_t *dm, const char *mib_name)
	Loads the mib definition. More...
int	amxo_parser_apply_mib (amxo_parser_t *parser, amxd_object_t *object, const char *mib_name)
	Unconditionally applies a MIB to a data model object. More...
int	amxo_parser_add_mibs (amxo_parser_t *parser, amxd_object_t *object, amxo_evaluate_expr_fn_t fn)
	Adds zero, one or more MIBs to a data model object. More...
int	amxo_parser_remove_mibs (amxo_parser_t *parser, amxd_object_t *object, amxo_evaluate_expr_fn_t fn)
	Removes zero, one or more MIBs from a data model object. More...
int	amxo_parser_apply_mibs (amxo_parser_t *parser, amxd_object_t *object, amxo_evaluate_expr_fn_t fn)
	Applies zero, one or more MIBs to a data model object. More...

Macro Definition Documentation

_GNU_SOURCE

#define _GNU_SOURCE

Definition at line 56 of file amxo_parser_mibs.c.

Typedef Documentation

mib_info_t

typedef struct _mib_info mib_info_t

Function Documentation

amxo_parser_add_mib_info()

static void amxo_parser_add_mib_info ( amxc_htable_t *  mibs, const char *  name, const char *  expression, const char *  file  )

static

Definition at line 68 of file amxo_parser_mibs.c.

                                                       {
    mib_info_t* info = NULL;
    when_true(amxc_htable_contains(mibs, name), exit);
 
    info = (mib_info_t*) calloc(1, sizeof(mib_info_t));
    when_null(info, exit);
 
    info->expression = strdup(expression);
    info->file = strdup(file);
 
    amxc_htable_insert(mibs, name, &info->hit);
 
exit:
    return;
}

amxo_parser_build_mib_info()

static bool amxo_parser_build_mib_info ( amxo_parser_t *  parser, struct dirent *  ep, amxc_string_t *  filename, char *  first_line  )

static

Definition at line 106 of file amxo_parser_mibs.c.

                                                         {
    bool retval = true;
    const char* name = NULL;
    const char* expression = NULL;
    amxp_expr_t expr;
 
    name = basename(ep->d_name);
    expression = name;
    if(strncmp(first_line, "/*expr:", 7) == 0) {
        first_line[ strlen(first_line) - 3 ] = 0;
        expression = first_line + 7;
    } else if(strncmp(first_line, "#expr:", 6) == 0) {
        first_line[ strlen(first_line) - 3 ] = 0;
        expression = first_line + 6;
    }
    if(amxp_expr_init(&expr, expression) == amxp_expr_status_ok) {
        amxo_parser_add_mib_info(&parser->mibs,
                                 name,
                                 expression,
                                 amxc_string_get(filename, 0));
    } else {
        retval = false;
    }
    amxp_expr_clean(&expr);
 
    return retval;
}

amxo_parser_del_mib_info()

void amxo_parser_del_mib_info	(	UNUSED const char *	key,
		amxc_htable_it_t *	it
	)

Definition at line 178 of file amxo_parser_mibs.c.

                                                    {
    mib_info_t* info = amxc_htable_it_get_data(it, mib_info_t, hit);
    free(info->expression);
    free(info->file);
    free(info);
}

amxo_parser_open_mib_file()

static FILE* amxo_parser_open_mib_file ( char *  name, amxc_string_t *  filename, char **  first_line  )

static

Definition at line 87 of file amxo_parser_mibs.c.

                                                          {
    ssize_t read = 0;
    size_t len = 0;
    FILE* odlfile = fopen(amxc_string_get(filename, 0), "r");
 
    name[strlen(name) - 4] = 0;
    read = getline(first_line, &len, odlfile);
    if(read == -1) {
        free(*first_line);
        *first_line = NULL;
        fclose(odlfile);
        odlfile = NULL;
    }
 
    return odlfile;
}

amxo_parser_scan()

static int amxo_parser_scan ( amxo_parser_t *  parser, const char *  path  )

static

Definition at line 137 of file amxo_parser_mibs.c.

                                              {
    int retval = -1;
    DIR* dp;
    struct dirent* ep;
    FILE* odlfile = NULL;
    char* line = NULL;
    amxc_string_t filename;
 
    amxc_string_init(&filename, 128);
 
    dp = opendir(path);
    when_null(dp, exit);
 
    for(ep = readdir(dp); ep; ep = readdir(dp)) {
        const char* extension = strstr(ep->d_name, ".odl");
        if((extension == NULL) || (extension[4] != 0)) {
            continue;
        }
 
        amxc_string_reset(&filename);
        amxc_string_setf(&filename, "%s/%s", path, ep->d_name);
        odlfile = amxo_parser_open_mib_file(ep->d_name, &filename, &line);
        if(odlfile == NULL) {
            continue;
        }
 
        amxo_parser_build_mib_info(parser, ep, &filename, line);
        fclose(odlfile);
        free(line);
        line = NULL;
    }
    closedir(dp);
 
    retval = 0;
 
exit:
    amxc_string_clean(&filename);
    return retval;
}