/* packet-http.h
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef __PACKET_HTTP_H__
#define __PACKET_HTTP_H__

#include <epan/packet.h>
#include "ws_symbol_export.h"

extern const value_string vals_http_status_code[];

WS_DLL_PUBLIC
void http_tcp_dissector_add(guint32 port, dissector_handle_t handle);
WS_DLL_PUBLIC
void http_tcp_dissector_delete(guint32 port);
WS_DLL_PUBLIC
void http_tcp_port_add(guint32 port);

/* Used for HTTP statistics */
typedef struct _http_info_value_t {
	guint32 framenum;
	gchar	*request_method;
	guint	 response_code;
	gchar   *http_host;
	const gchar   *request_uri;
} http_info_value_t;

/* Used for HTTP Export Object feature */
typedef struct _http_eo_t {
	guint32  pkt_num;
	gchar   *hostname;
	gchar   *filename;
	gchar   *content_type;
	guint32  payload_len;
	const guint8 *payload_data;
} http_eo_t;

/** information about a request and response on a HTTP conversation. */
typedef struct _http_req_res_t {
	/** the running number on the conversation */
	guint32 number;
	/** frame number of the request */
	guint32 req_framenum;
	/** frame number of the corresponding response */
	guint32 res_framenum;
	/** timestamp of the request */
	nstime_t req_ts;
	/** pointer to the next element in the linked list, NULL for the tail node */
	struct _http_req_res_t *next;
	/** pointer to the previous element in the linked list, NULL for the head node */
	struct _http_req_res_t *prev;
} http_req_res_t;

/** Conversation data of a HTTP connection. */
typedef struct _http_conv_t {
	guint    response_code;
	guint32	 startframe;	/* First frame of proxied connection */
	gchar   *http_host;
	gchar   *request_method;
	gchar   *request_uri;
	/** the number of requests on the conversation. */
	guint32  req_res_num;
	guint8   upgrade;
	gchar   *websocket_protocol;	/* Negotiated WebSocket protocol */
	/* Server address and port, known after first server response */
	guint16 server_port;
	address server_addr;
	/** the tail node of req_res */
	http_req_res_t *req_res_tail;
} http_conv_t;

typedef enum _http_type {
	HTTP_REQUEST,
	HTTP_RESPONSE,
	HTTP_NOTIFICATION,
	HTTP_OTHERS
} http_type_t;

/** Passed to dissectors called by the HTTP dissector. */
typedef struct _http_message_info_t {
	http_type_t type;      /* Message type; may be HTTP_OTHERS if not called by HTTP */
	const char *media_str; /* Content-Type parameters */
} http_message_info_t;

#endif /* __PACKET_HTTP_H__ */