response.c

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/**
 * \file
 *
 * \author  Georg Hopp
 *
 * \copyright
 * Copyright © 2012  Georg Hopp
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <sys/types.h>
#include <stdio.h>

#include "class.h"
#include "utils/memory.h"

#include "http/response.h"
#include "http/interface/http_intro.h"


static
int
httpResponseCtor(void * _this, va_list * params)
{
    HttpResponse this = _this;
    char * reason;

    PARENTCALL(_this, Class, ctor, params);

    this->status = va_arg(* params, unsigned int);
    reason       = va_arg(* params, char *);

    this->reason = memCalloc(1, strlen(reason)+1);
    strcpy(this->reason, reason);

    return 0;
}

static
void
httpResponseDtor(void * _this)
{
    HttpResponse this = _this;

    MEM_FREE(this->reason);

    PARENTCALL(_this, Class, dtor);
} 

static
size_t
sizeGet(void * _this)
{
    HttpResponse this = _this;
    size_t       size = 0;

    size += strlen(((HttpMessage)this)->version) + 1;
    size += 3 + 1;  // for status
    size += strlen(this->reason) + 2;

    return size;
}

static
char *
toString(void * _this, char * string)
{
    HttpResponse this   = _this;

    strcpy(string, ((HttpMessage)this)->version);
    string   += strlen(string);
    *string++ = ' ';

    snprintf(string, 4, "%d", this->status);
    string   += strlen(string);
    *string++ = ' ';

    strcpy(string, this->reason);
    string   += strlen(string);
    *string++ = '\r';
    *string++ = '\n';

    return string;
}

INIT_IFACE(Class, httpResponseCtor, httpResponseDtor, NULL);
INIT_IFACE(HttpIntro, sizeGet, toString);
CREATE_CLASS(
        HttpResponse,
        HttpMessage,
        IFACE(Class),
        IFACE(HttpIntro));

// vim: set ts=4 sw=4: