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/*
 * 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.
 */

#ifndef PROTOCOL_H
#define	PROTOCOL_H

#include "../public/nsapi.h"
#include "../util/io.h"
#include <sys/uio.h>
#include "../util/strbuf.h"
#include <cx/buffer.h>

#ifdef	__cplusplus
extern "C" {
#endif

void protocol_status(Session *sn, Request *rq, int n, const char *m);
const char* protocol_status_message(int code);

void add_http_status_line(CxBuffer *out, pool_handle_t *pool, Request *rq);
void add_http_response_header(CxBuffer *out, Request *rq);

int http_start_response(Session *sn, Request *rq);

int http_send_continue(Session *sn);

int request_header(char *name, char **value, Session *sn, Request *rq);

void http_get_scheme_host_port(
        Session *sn,
        Request *rq,
        char **scheme,
        char **host,
        uint16_t *port);

#define sbuf_write(out, buf, len) sbuf_append(out, cx_strn(buf, len))

#ifdef	__cplusplus
}
#endif

#endif	/* PROTOCOL_H */