src/server/object.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2011 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 "nsapi.h"

#include "object.h"

#include "pool.h"
#include "func.h"


httpd_object* object_new(char *name) {
    // TODO: Speicherverwaltung
    httpd_object *obj = malloc(sizeof(httpd_object));
    obj->name = name;
    obj->path = NULL;

    // create directive table
    obj->dt = calloc(sizeof(struct dtable), NUM_NSAPI_TYPES - 1);
    obj->nd = NUM_NSAPI_TYPES - 1;

    return obj;
}

void object_free(httpd_object *obj) {
    free(obj->name);
    // TODO: free objects
    free(obj->dt);
}


void object_add_directive(httpd_object *obj, directive *dir, int dt) {
    dtable *l = object_get_dtable(obj, dt);
    // allocate space for the new directive

    l->dirs = realloc(l->dirs, (l->ndir+1)*sizeof(void*));
    /* TODO: aus irgend einem Grund funktioniert realloc nicht. warum?? */
    
    directive **drs = malloc((l->ndir+1)*sizeof(void*));
    for(int i=0;i<l->ndir;i++) {
        drs[i] = l->dirs[i];
    }
    free(l->dirs);
    l->dirs = drs;

    // add directive
    l->dirs[l->ndir] = dir;
    l->ndir++;
}


/* objset functions */
httpd_objset* objset_create(pool_handle_t *pool) {
    httpd_objset *os = pool_malloc(pool, sizeof(httpd_objset));

    os->obj = pool_calloc(pool, 2, sizeof(void*));
    os->pos = 0;

    return os;
}

void objset_add_object(pool_handle_t *p, httpd_objset *os, httpd_object *obj) {
    if(os->pos != 0 && os->pos % 2 == 0) {
        os->obj = pool_realloc(p, os->obj, (os->pos + 2) * sizeof(void*));
    }
    os->obj[os->pos] = obj;
    os->pos++;
}


httpd_objset* create_test_objset() {
    httpd_objset *objset = malloc(sizeof(httpd_objset));
    objset->obj = calloc(1, sizeof(httpd_object*));

    httpd_object *obj = object_new("default");
    objset->obj[0] = obj;
    objset->pos = 1;
    
    directive *d1 = malloc(sizeof(directive));
    d1->func = get_function("test-nametrans");
    d1->param = NULL;
    object_add_directive(obj, d1, NSAPINameTrans);

    directive *d2 = malloc(sizeof(directive));
    d2->func = get_function("test-service");
    d2->param = NULL;
    object_add_directive(obj, d2, NSAPIService);
    
    return objset;
}


void httpobjconf_add_object(HTTPObjectConfig *conf, httpd_object *obj) {
    conf->nobj++;
    conf->objects = realloc(conf->objects, conf->nobj * sizeof(void*));
    conf->objects[conf->nobj - 1] = obj;
}


void nsapi_context_next_stage(NSAPIContext *context) {
    context->dtable_index  = 0;
    context->objset_index  = -1;
    context->last_req_code = REQ_NOACTION;
}