src/server/config/initconf.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2013 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "initconf.h"

InitConfig *load_init_config(char *file) {
    FILE *in = fopen(file, "r");
    if(in == NULL) {
        return NULL;
    }
    
    InitConfig *conf = malloc(sizeof(InitConfig));
    conf->parser.parse = initconf_parse;
    conf->file = file;
    conf->directives = NULL;

    int r = cfg_parse_basic_file((ConfigParser*)conf, in);
    if(r != 0) {
        free_init_config(conf);
        return NULL;
    }
    fclose(in);

    return conf;
}

void free_init_config(InitConfig *conf) {
    ucx_mempool_destroy(conf->parser.mp->pool);
    free(conf);
}

int initconf_parse(void *p, ConfigLine *begin, ConfigLine *end, sstr_t line) {
    InitConfig *conf = p;
    
    // parse directive
    ConfigDirective *d = cfg_parse_directive(line, conf->parser.mp);
    if(d == NULL) {
        log_ereport(LOG_FAILURE, "initconf_parse: directive is null");
        return 0;
    }
    d->begin = begin;
    d->end = end;
    if(d->type_num == INIT_DIRECTIVE) {
        conf->directives = ucx_list_append(conf->directives, d);
    } else {
        log_ereport(LOG_WARN, "Non Init directive in init.conf");
    }

    return 0;
}