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#ifndef CYGONCE_NET_HTTPD_HTTPD_H
#define CYGONCE_NET_HTTPD_HTTPD_H
/* =================================================================
*
* httpd.h
*
* A simple embedded HTTP server
*
* =================================================================
* ####ECOSGPLCOPYRIGHTBEGIN####
* -------------------------------------------
* This file is part of eCos, the Embedded Configurable Operating System.
* Copyright (C) 2002 Free Software Foundation, Inc.
*
* eCos 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 or (at your option) any later
* version.
*
* eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception, if other files instantiate templates or use
* macros or inline functions from this file, or you compile this file
* and link it with other works to produce a work based on this file,
* this file does not by itself cause the resulting work to be covered by
* the GNU General Public License. However the source code for this file
* must still be made available in accordance with section (3) of the GNU
* General Public License v2.
*
* This exception does not invalidate any other reasons why a work based
* on this file might be covered by the GNU General Public License.
* -------------------------------------------
* ####ECOSGPLCOPYRIGHTEND####
* =================================================================
* #####DESCRIPTIONBEGIN####
*
* Author(s): nickg@calivar.com
* Contributors: nickg@calivar.com
* Date: 2002-10-14
* Purpose:
* Description:
*
* ####DESCRIPTIONEND####
*
* =================================================================
*/
#include <pkgconf/system.h>
#include <pkgconf/isoinfra.h>
#include <pkgconf/httpd.h>
#include <cyg/hal/hal_tables.h>
#include <stdio.h>
/* ================================================================= */
/* Start daemon explicitly
*/
#ifndef CYGNUM_HTTPD_SERVER_AUTO_START
__externC void cyg_httpd_startup(void);
#endif
/* ================================================================= */
/* Lookup Table
*
*
*/
typedef cyg_bool cyg_httpd_handler(FILE *client, char *filename,
char *formdata, void *arg);
struct cyg_httpd_table_entry
{
char *pattern;
cyg_httpd_handler *handler;
void *arg;
} CYG_HAL_TABLE_TYPE;
typedef struct cyg_httpd_table_entry cyg_httpd_table_entry;
#define CYG_HTTPD_TABLE_ENTRY( __name, __pattern, __handler, __arg ) \
cyg_httpd_table_entry __name CYG_HAL_TABLE_ENTRY( httpd_table ) = { __pattern, __handler, __arg }
/* ================================================================= */
/* Useful handler functions
*/
/* ----------------------------------------------------------------- */
/*
*/
__externC cyg_bool cyg_httpd_send_html( FILE *client, char *filename,
char *request, void *arg );
/* ----------------------------------------------------------------- */
/*
*/
typedef struct
{
char *content_type;
cyg_uint32 content_length;
cyg_uint8 *data;
} cyg_httpd_data;
__externC cyg_bool cyg_httpd_send_data( FILE *client, char *filename,
char *request, void *arg );
#define CYG_HTTPD_DATA( __name, __type, __length, __data ) \
cyg_httpd_data __name = { __type, __length, __data }
/* ================================================================= */
/* HTTP and HTML helper macros and functions
*/
/* ----------------------------------------------------------------- */
/* HTTP header support
*
* cyg_http_start() sends an HTTP header with the given content type
* and length. cyg_http_finish() terminates an HTTP send.
* html_begin() starts an HTML document, and html_end() finishes it.
*/
__externC void cyg_http_start( FILE *client, char *content_type,
int content_length );
__externC void cyg_http_finish( FILE *client );
#define html_begin(__client) \
cyg_http_start( __client, "text/html", 0 ); \
html_tag_begin( __client, "html", "" )
#define html_end( __client ) \
html_tag_end( __client, "html" ); \
cyg_http_finish( __client )
/* ----------------------------------------------------------------- */
/*
*/
__externC void cyg_html_tag_begin( FILE *client, char *tag, char *attr );
__externC void cyg_html_tag_end( FILE *client, char *tag );
#define html_tag_begin( __client, __tag, __attr ) \
cyg_html_tag_begin( __client, __tag, __attr )
#define html_tag_end( __client, __tag ) cyg_html_tag_end( __client, __tag )
/* ----------------------------------------------------------------- */
/*
*/
#define html_head( __client, __title, __meta ) \
{ \
fprintf(__client, "<%s><%s>", "head", "title" ); \
fputs( __title, __client ); \
fprintf(__client, "</%s>%s</%s>\n", "title", __meta, "head"); \
}
#define html_body_begin( __client, __attr ) \
cyg_html_tag_begin( __client, "body", __attr );
#define html_body_end( __client ) \
cyg_html_tag_end( __client, "body" );
#define html_heading( __client, __level, __heading ) \
fprintf(__client,"<h%d>%s</h%d>\n",__level,__heading,__level);
/* ----------------------------------------------------------------- */
/*
*/
#define html_url( __client, __text, __link ) \
fprintf( __client, "<a href=\"%s\">%s</a>\n",__link,__text);
#define html_para_begin( __client, __attr ) \
cyg_html_tag_begin( __client, "p", __attr );
#define html_image( __client, __source, __alt, __attr ) \
fprintf( __client, "<%s %s=\"%s\" %s=\"%s\" %s>\n", "img", \
"src",__source, \
"alt",__alt, \
(__attr)?(__attr):"" );
/* ----------------------------------------------------------------- */
/*
*/
#define html_table_begin( __client, __attr ) \
cyg_html_tag_begin( __client, "table", __attr );
#define html_table_end( __client ) \
cyg_html_tag_end( __client, "table" );
#define html_table_header( __client, __content, __attr ) \
{ \
cyg_html_tag_begin( __client, "th", __attr); \
fputs( __content, __client ); \
cyg_html_tag_end( __client, "th" ); \
}
#define html_table_row_begin( __client, __attr ) \
cyg_html_tag_begin( __client, "tr", __attr );
#define html_table_row_end( __client ) \
cyg_html_tag_end( __client, "tr" );
#define html_table_data_begin( __client, __attr ) \
cyg_html_tag_begin( __client, "td", __attr );
#define html_table_data_end( __client ) \
cyg_html_tag_end( __client, "td" );
/* ----------------------------------------------------------------- */
/*
*/
#define html_form_begin( __client, __url, __attr ) \
fprintf(__client, "<%s %s=\"%s\" %s>\n","form", \
"action",__url, \
(__attr)?(__attr):"" );
#define html_form_end( __client ) \
cyg_html_tag_end( __client, "form" );
#define html_form_input( __client, __type, __name, __value, __attr ) \
{ \
char *__lattr = (__attr); \
fprintf(__client, "<%s %s=\"%s\" %s=\"%s\" %s=\"%s\" %s>\n","input", \
"type",__type, \
"name",__name, \
"value",__value, \
__lattr?__lattr:"" ); \
}
#define html_form_input_radio( __client, __name, __value, __checked ) \
html_form_input( __client, "radio", __name, __value, (__checked)?"checked":"" )
#define html_form_input_checkbox( __client, __name, __value, __checked ) \
html_form_input( __client, "checkbox", __name, __value, (__checked)?"checked":"" )
#define html_form_input_hidden( __client, __name, __value ) \
html_form_input( __client, "hidden", __name, __value, "" )
#define html_form_select_begin( __client, __name, __attr ) \
fprintf( __client, "<%s %s=\"%s\" %s>\n","select", \
"name",__name, \
(__attr)?(__attr):"" );
#define html_form_option( __client, __value, __label, __selected ) \
fprintf( __client, "<%s %s=\"%s\" %s>\n","option", \
"value", __value, \
(__selected)?"selected":"" ); \
fputs(__label, __client );
#define html_form_select_end( __client ) \
cyg_html_tag_end( __client, "select" );
/* ================================================================= */
/*
*/
__externC void cyg_formdata_parse( char *data, char *list[], int size );
__externC char *cyg_formlist_find( char *list[], char *name );
/* ----------------------------------------------------------------- */
#endif /* CYGONCE_NET_HTTPD_HTTPD_H */
/* end of httpd.c */
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