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Rename the directories used in the Ethernet Lite MicroBlaze demo.

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Richard Barry 2011-08-27 13:30:01 +00:00
parent a16be7fb4e
commit c87a82bb7b
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177
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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/opt.h"
#include "lwip/def.h"
#include "fs.h"
#include "fsdata.h"
#include <string.h>
/** Set this to 1 to include "fsdata_custom.c" instead of "fsdata.c" for the
* file system (to prevent changing the file included in CVS) */
#ifndef HTTPD_USE_CUSTUM_FSDATA
#define HTTPD_USE_CUSTUM_FSDATA 0
#endif
#if HTTPD_USE_CUSTUM_FSDATA
#include "fsdata_custom.c"
#else /* HTTPD_USE_CUSTUM_FSDATA */
#include "fsdata.c"
#endif /* HTTPD_USE_CUSTUM_FSDATA */
/*-----------------------------------------------------------------------------------*/
/* Define the number of open files that we can support. */
#ifndef LWIP_MAX_OPEN_FILES
#define LWIP_MAX_OPEN_FILES 10
#endif
/* Define the file system memory allocation structure. */
struct fs_table {
struct fs_file file;
u8_t inuse;
};
/* Allocate file system memory */
struct fs_table fs_memory[LWIP_MAX_OPEN_FILES];
#if LWIP_HTTPD_CUSTOM_FILES
int fs_open_custom(struct fs_file *file, const char *name);
void fs_close_custom(struct fs_file *file);
#endif /* LWIP_HTTPD_CUSTOM_FILES */
/*-----------------------------------------------------------------------------------*/
static struct fs_file *
fs_malloc(void)
{
int i;
for(i = 0; i < LWIP_MAX_OPEN_FILES; i++) {
if(fs_memory[i].inuse == 0) {
fs_memory[i].inuse = 1;
return(&fs_memory[i].file);
}
}
return(NULL);
}
/*-----------------------------------------------------------------------------------*/
static void
fs_free(struct fs_file *file)
{
int i;
for(i = 0; i < LWIP_MAX_OPEN_FILES; i++) {
if(&fs_memory[i].file == file) {
fs_memory[i].inuse = 0;
break;
}
}
return;
}
/*-----------------------------------------------------------------------------------*/
struct fs_file *
fs_open(const char *name)
{
struct fs_file *file;
const struct fsdata_file *f;
file = fs_malloc();
if(file == NULL) {
return NULL;
}
#if LWIP_HTTPD_CUSTOM_FILES
if(fs_open_custom(file, name)) {
file->is_custom_file = 1;
return file;
}
file->is_custom_file = 0;
#endif /* LWIP_HTTPD_CUSTOM_FILES */
for(f = FS_ROOT; f != NULL; f = f->next) {
if (!strcmp(name, (char *)f->name)) {
file->data = (const char *)f->data;
file->len = f->len;
file->index = f->len;
file->pextension = NULL;
file->http_header_included = f->http_header_included;
#if HTTPD_PRECALCULATED_CHECKSUM
file->chksum_count = f->chksum_count;
file->chksum = f->chksum;
#endif /* HTTPD_PRECALCULATED_CHECKSUM */
#if LWIP_HTTPD_FILE_STATE
file->state = fs_state_init(file, name);
#endif /* #if LWIP_HTTPD_FILE_STATE */
return file;
}
}
fs_free(file);
return NULL;
}
/*-----------------------------------------------------------------------------------*/
void
fs_close(struct fs_file *file)
{
#if LWIP_HTTPD_CUSTOM_FILES
if (file->is_custom_file) {
fs_close_custom(file);
}
#endif /* LWIP_HTTPD_CUSTOM_FILES */
#if LWIP_HTTPD_FILE_STATE
fs_state_free(file, file->state);
#endif /* #if LWIP_HTTPD_FILE_STATE */
fs_free(file);
}
/*-----------------------------------------------------------------------------------*/
int
fs_read(struct fs_file *file, char *buffer, int count)
{
int read;
if(file->index == file->len) {
return -1;
}
read = file->len - file->index;
if(read > count) {
read = count;
}
MEMCPY(buffer, (file->data + file->index), read);
file->index += read;
return(read);
}
/*-----------------------------------------------------------------------------------*/
int fs_bytes_left(struct fs_file *file)
{
return file->len - file->index;
}

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __FS_H__
#define __FS_H__
#include "lwip/opt.h"
/** Set this to 1 and provide the functions:
* - "int fs_open_custom(struct fs_file *file, const char *name)"
* Called first for every opened file to allow opening files
* that are not included in fsdata(_custom).c
* - "void fs_close_custom(struct fs_file *file)"
* Called to free resources allocated by fs_open_custom().
*/
#ifndef LWIP_HTTPD_CUSTOM_FILES
#define LWIP_HTTPD_CUSTOM_FILES 0
#endif
/** Set this to 1 to include an application state argument per file
* that is opened. This allows to keep a state per connection/file.
*/
#ifndef LWIP_HTTPD_FILE_STATE
#define LWIP_HTTPD_FILE_STATE 0
#endif
/** HTTPD_PRECALCULATED_CHECKSUM==1: include precompiled checksums for
* predefined (MSS-sized) chunks of the files to prevent having to calculate
* the checksums at runtime. */
#ifndef HTTPD_PRECALCULATED_CHECKSUM
#define HTTPD_PRECALCULATED_CHECKSUM 0
#endif
#if HTTPD_PRECALCULATED_CHECKSUM
struct fsdata_chksum {
u32_t offset;
u16_t chksum;
u16_t len;
};
#endif /* HTTPD_PRECALCULATED_CHECKSUM */
struct fs_file {
const char *data;
int len;
int index;
void *pextension;
#if HTTPD_PRECALCULATED_CHECKSUM
const struct fsdata_chksum *chksum;
u16_t chksum_count;
#endif /* HTTPD_PRECALCULATED_CHECKSUM */
u8_t http_header_included;
#if LWIP_HTTPD_CUSTOM_FILES
u8_t is_custom_file;
#endif /* LWIP_HTTPD_CUSTOM_FILES */
#if LWIP_HTTPD_FILE_STATE
void *state;
#endif /* LWIP_HTTPD_FILE_STATE */
};
struct fs_file *fs_open(const char *name);
void fs_close(struct fs_file *file);
int fs_read(struct fs_file *file, char *buffer, int count);
int fs_bytes_left(struct fs_file *file);
#if LWIP_HTTPD_FILE_STATE
/** This user-defined function is called when a file is opened. */
void *fs_state_init(struct fs_file *file, const char *name);
/** This user-defined function is called when a file is closed. */
void fs_state_free(struct fs_file *file, void *state);
#endif /* #if LWIP_HTTPD_FILE_STATE */
#endif /* __FS_H__ */

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __FSDATA_H__
#define __FSDATA_H__
#include "lwip/opt.h"
#include "fs.h"
struct fsdata_file {
const struct fsdata_file *next;
const unsigned char *name;
const unsigned char *data;
int len;
u8_t http_header_included;
#if HTTPD_PRECALCULATED_CHECKSUM
u16_t chksum_count;
const struct fsdata_chksum *chksum;
#endif /* HTTPD_PRECALCULATED_CHECKSUM */
};
#endif /* __FSDATA_H__ */

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
* This version of the file has been modified by Texas Instruments to offer
* simple server-side-include (SSI) and Common Gateway Interface (CGI)
* capability.
*/
#ifndef __HTTPD_H__
#define __HTTPD_H__
#include "lwip/opt.h"
#include "lwip/err.h"
#include "lwip/pbuf.h"
/** Set this to 1 to support CGI */
#ifndef LWIP_HTTPD_CGI
#define LWIP_HTTPD_CGI 0
#endif
/** Set this to 1 to support SSI (Server-Side-Includes) */
#ifndef LWIP_HTTPD_SSI
#define LWIP_HTTPD_SSI 1
#endif
/** Set this to 1 to support HTTP POST */
#ifndef LWIP_HTTPD_SUPPORT_POST
#define LWIP_HTTPD_SUPPORT_POST 0
#endif
#if LWIP_HTTPD_CGI
/*
* Function pointer for a CGI script handler.
*
* This function is called each time the HTTPD server is asked for a file
* whose name was previously registered as a CGI function using a call to
* http_set_cgi_handler. The iIndex parameter provides the index of the
* CGI within the ppcURLs array passed to http_set_cgi_handler. Parameters
* pcParam and pcValue provide access to the parameters provided along with
* the URI. iNumParams provides a count of the entries in the pcParam and
* pcValue arrays. Each entry in the pcParam array contains the name of a
* parameter with the corresponding entry in the pcValue array containing the
* value for that parameter. Note that pcParam may contain multiple elements
* with the same name if, for example, a multi-selection list control is used
* in the form generating the data.
*
* The function should return a pointer to a character string which is the
* path and filename of the response that is to be sent to the connected
* browser, for example "/thanks.htm" or "/response/error.ssi".
*
* The maximum number of parameters that will be passed to this function via
* iNumParams is defined by LWIP_HTTPD_MAX_CGI_PARAMETERS. Any parameters in the incoming
* HTTP request above this number will be discarded.
*
* Requests intended for use by this CGI mechanism must be sent using the GET
* method (which encodes all parameters within the URI rather than in a block
* later in the request). Attempts to use the POST method will result in the
* request being ignored.
*
*/
typedef const char *(*tCGIHandler)(int iIndex, int iNumParams, char *pcParam[],
char *pcValue[]);
/*
* Structure defining the base filename (URL) of a CGI and the associated
* function which is to be called when that URL is requested.
*/
typedef struct
{
const char *pcCGIName;
tCGIHandler pfnCGIHandler;
} tCGI;
void http_set_cgi_handlers(const tCGI *pCGIs, int iNumHandlers);
/* The maximum number of parameters that the CGI handler can be sent. */
#ifndef LWIP_HTTPD_MAX_CGI_PARAMETERS
#define LWIP_HTTPD_MAX_CGI_PARAMETERS 16
#endif
#endif /* LWIP_HTTPD_CGI */
#if LWIP_HTTPD_SSI
/** LWIP_HTTPD_SSI_MULTIPART==1: SSI handler function is called with 2 more
* arguments indicating a counter for insert string that are too long to be
* inserted at once: the SSI handler function must then set 'next_tag_part'
* which will be passed back to it in the next call. */
#ifndef LWIP_HTTPD_SSI_MULTIPART
#define LWIP_HTTPD_SSI_MULTIPART 0
#endif
/*
* Function pointer for the SSI tag handler callback.
*
* This function will be called each time the HTTPD server detects a tag of the
* form <!--#name--> in a .shtml, .ssi or .shtm file where "name" appears as
* one of the tags supplied to http_set_ssi_handler in the ppcTags array. The
* returned insert string, which will be appended after the the string
* "<!--#name-->" in file sent back to the client,should be written to pointer
* pcInsert. iInsertLen contains the size of the buffer pointed to by
* pcInsert. The iIndex parameter provides the zero-based index of the tag as
* found in the ppcTags array and identifies the tag that is to be processed.
*
* The handler returns the number of characters written to pcInsert excluding
* any terminating NULL or a negative number to indicate a failure (tag not
* recognized, for example).
*
* Note that the behavior of this SSI mechanism is somewhat different from the
* "normal" SSI processing as found in, for example, the Apache web server. In
* this case, the inserted text is appended following the SSI tag rather than
* replacing the tag entirely. This allows for an implementation that does not
* require significant additional buffering of output data yet which will still
* offer usable SSI functionality. One downside to this approach is when
* attempting to use SSI within JavaScript. The SSI tag is structured to
* resemble an HTML comment but this syntax does not constitute a comment
* within JavaScript and, hence, leaving the tag in place will result in
* problems in these cases. To work around this, any SSI tag which needs to
* output JavaScript code must do so in an encapsulated way, sending the whole
* HTML <script>...</script> section as a single include.
*/
typedef u16_t (*tSSIHandler)(int iIndex, char *pcInsert, int iInsertLen
#if LWIP_HTTPD_SSI_MULTIPART
, u16_t current_tag_part, u16_t *next_tag_part
#endif /* LWIP_HTTPD_SSI_MULTIPART */
#if LWIP_HTTPD_FILE_STATE
, void *connection_state
#endif /* LWIP_HTTPD_FILE_STATE */
);
void http_set_ssi_handler(tSSIHandler pfnSSIHandler,
const char **ppcTags, int iNumTags);
/* The maximum length of the string comprising the tag name */
#ifndef LWIP_HTTPD_MAX_TAG_NAME_LEN
#define LWIP_HTTPD_MAX_TAG_NAME_LEN 8
#endif
/* The maximum length of string that can be returned to replace any given tag */
#ifndef LWIP_HTTPD_MAX_TAG_INSERT_LEN
#define LWIP_HTTPD_MAX_TAG_INSERT_LEN 192
#endif
#endif /* LWIP_HTTPD_SSI */
#if LWIP_HTTPD_SUPPORT_POST
/* These functions must be implemented by the application */
/** Called when a POST request has been received. The application can decide
* whether to accept it or not.
*
* @param connection Unique connection identifier, valid until httpd_post_end
* is called.
* @param uri The HTTP header URI receiving the POST request.
* @param http_request The raw HTTP request (the first packet, normally).
* @param http_request_len Size of 'http_request'.
* @param content_len Content-Length from HTTP header.
* @param response_uri Filename of response file, to be filled when denying the
* request
* @param response_uri_len Size of the 'response_uri' buffer.
* @param post_auto_wnd Set this to 0 to let the callback code handle window
* updates by calling 'httpd_post_data_recved' (to throttle rx speed)
* default is 1 (httpd handles window updates automatically)
* @return ERR_OK: Accept the POST request, data may be passed in
* another err_t: Deny the POST request, send back 'bad request'.
*/
err_t httpd_post_begin(void *connection, const char *uri, const char *http_request,
u16_t http_request_len, int content_len, char *response_uri,
u16_t response_uri_len, u8_t *post_auto_wnd);
/** Called for each pbuf of data that has been received for a POST.
* ATTENTION: The application is responsible for freeing the pbufs passed in!
*
* @param connection Unique connection identifier.
* @param p Received data.
* @return ERR_OK: Data accepted.
* another err_t: Data denied, http_post_get_response_uri will be called.
*/
err_t httpd_post_receive_data(void *connection, struct pbuf *p);
/** Called when all data is received or when the connection is closed.
* The application must return the filename/URI of a file to send in response
* to this POST request. If the response_uri buffer is untouched, a 404
* response is returned.
*
* @param connection Unique connection identifier.
* @param response_uri Filename of response file, to be filled when denying the request
* @param response_uri_len Size of the 'response_uri' buffer.
*/
void httpd_post_finished(void *connection, char *response_uri, u16_t response_uri_len);
#ifndef LWIP_HTTPD_POST_MANUAL_WND
#define LWIP_HTTPD_POST_MANUAL_WND 0
#endif
#if LWIP_HTTPD_POST_MANUAL_WND
void httpd_post_data_recved(void *connection, u16_t recved_len);
#endif /* LWIP_HTTPD_POST_MANUAL_WND */
#endif /* LWIP_HTTPD_SUPPORT_POST */
void httpd_init(void);
#endif /* __HTTPD_H__ */

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#ifndef __HTTPD_STRUCTS_H__
#define __HTTPD_STRUCTS_H__
#include "httpd.h"
/** This string is passed in the HTTP header as "Server: " */
#ifndef HTTPD_SERVER_AGENT
#define HTTPD_SERVER_AGENT "lwIP/1.3.1 (http://savannah.nongnu.org/projects/lwip)"
#endif
/** Set this to 1 if you want to include code that creates HTTP headers
* at runtime. Default is off: HTTP headers are then created statically
* by the makefsdata tool. Static headers mean smaller code size, but
* the (readonly) fsdata will grow a bit as every file includes the HTTP
* header. */
#ifndef LWIP_HTTPD_DYNAMIC_HEADERS
#define LWIP_HTTPD_DYNAMIC_HEADERS 0
#endif
#if LWIP_HTTPD_DYNAMIC_HEADERS
/** This struct is used for a list of HTTP header strings for various
* filename extensions. */
typedef struct
{
const char *extension;
int headerIndex;
} tHTTPHeader;
/** A list of strings used in HTTP headers */
static const char * const g_psHTTPHeaderStrings[] =
{
"Content-type: text/html\r\n\r\n",
"Content-type: text/html\r\nExpires: Fri, 10 Apr 2008 14:00:00 GMT\r\nPragma: no-cache\r\n\r\n",
"Content-type: image/gif\r\n\r\n",
"Content-type: image/png\r\n\r\n",
"Content-type: image/jpeg\r\n\r\n",
"Content-type: image/bmp\r\n\r\n",
"Content-type: image/x-icon\r\n\r\n",
"Content-type: application/octet-stream\r\n\r\n",
"Content-type: application/x-javascript\r\n\r\n",
"Content-type: application/x-javascript\r\n\r\n",
"Content-type: text/css\r\n\r\n",
"Content-type: application/x-shockwave-flash\r\n\r\n",
"Content-type: text/xml\r\n\r\n",
"Content-type: text/plain\r\n\r\n",
"HTTP/1.0 200 OK\r\n",
"HTTP/1.0 404 File not found\r\n",
"HTTP/1.0 400 Bad Request\r\n",
"HTTP/1.0 501 Not Implemented\r\n",
"HTTP/1.1 200 OK\r\n",
"HTTP/1.1 404 File not found\r\n",
"HTTP/1.1 400 Bad Request\r\n",
"HTTP/1.1 501 Not Implemented\r\n",
"Content-Length: ",
"Connection: Close\r\n",
"Server: "HTTPD_SERVER_AGENT"\r\n",
"\r\n<html><body><h2>404: The requested file cannot be found.</h2></body></html>\r\n"
};
/* Indexes into the g_psHTTPHeaderStrings array */
#define HTTP_HDR_HTML 0 /* text/html */
#define HTTP_HDR_SSI 1 /* text/html Expires... */
#define HTTP_HDR_GIF 2 /* image/gif */
#define HTTP_HDR_PNG 3 /* image/png */
#define HTTP_HDR_JPG 4 /* image/jpeg */
#define HTTP_HDR_BMP 5 /* image/bmp */
#define HTTP_HDR_ICO 6 /* image/x-icon */
#define HTTP_HDR_APP 7 /* application/octet-stream */
#define HTTP_HDR_JS 8 /* application/x-javascript */
#define HTTP_HDR_RA 9 /* application/x-javascript */
#define HTTP_HDR_CSS 10 /* text/css */
#define HTTP_HDR_SWF 11 /* application/x-shockwave-flash */
#define HTTP_HDR_XML 12 /* text/xml */
#define HTTP_HDR_DEFAULT_TYPE 13 /* text/plain */
#define HTTP_HDR_OK 14 /* 200 OK */
#define HTTP_HDR_NOT_FOUND 15 /* 404 File not found */
#define HTTP_HDR_BAD_REQUEST 16 /* 400 Bad request */
#define HTTP_HDR_NOT_IMPL 17 /* 501 Not Implemented */
#define HTTP_HDR_OK_11 18 /* 200 OK */
#define HTTP_HDR_NOT_FOUND_11 19 /* 404 File not found */
#define HTTP_HDR_BAD_REQUEST_11 20 /* 400 Bad request */
#define HTTP_HDR_NOT_IMPL_11 21 /* 501 Not Implemented */
#define HTTP_HDR_CONTENT_LENGTH 22 /* Content-Length: (HTTP 1.1)*/
#define HTTP_HDR_CONN_CLOSE 23 /* Connection: Close (HTTP 1.1) */
#define HTTP_HDR_SERVER 24 /* Server: HTTPD_SERVER_AGENT */
#define DEFAULT_404_HTML 25 /* default 404 body */
/** A list of extension-to-HTTP header strings */
const static tHTTPHeader g_psHTTPHeaders[] =
{
{ "html", HTTP_HDR_HTML},
{ "htm", HTTP_HDR_HTML},
{ "shtml",HTTP_HDR_SSI},
{ "shtm", HTTP_HDR_SSI},
{ "ssi", HTTP_HDR_SSI},
{ "gif", HTTP_HDR_GIF},
{ "png", HTTP_HDR_PNG},
{ "jpg", HTTP_HDR_JPG},
{ "bmp", HTTP_HDR_BMP},
{ "ico", HTTP_HDR_ICO},
{ "class",HTTP_HDR_APP},
{ "cls", HTTP_HDR_APP},
{ "js", HTTP_HDR_JS},
{ "ram", HTTP_HDR_RA},
{ "css", HTTP_HDR_CSS},
{ "swf", HTTP_HDR_SWF},
{ "xml", HTTP_HDR_XML}
};
#define NUM_HTTP_HEADERS (sizeof(g_psHTTPHeaders) / sizeof(tHTTPHeader))
#endif /* LWIP_HTTPD_DYNAMIC_HEADERS */
#endif /* __HTTPD_STRUCTS_H__ */

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<html>
<head><title>lwIP - A Lightweight TCP/IP Stack</title></head>
<body bgcolor="white" text="black">
<table width="100%">
<tr valign="top"><td width="80">
<a href="http://www.sics.se/"><img src="/img/sics.gif"
border="0" alt="SICS logo" title="SICS logo"></a>
</td><td width="500">
<h1>lwIP - A Lightweight TCP/IP Stack</h1>
<h2>404 - Page not found</h2>
<p>
Sorry, the page you are requesting was not found on this
server.
</p>
</td><td>
&nbsp;
</td></tr>
</table>
</body>
</html>

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>FreeRTOS.org lwIP WEB server demo</title>
</head>
<BODY onLoad="window.setTimeout(&quot;location.href='index.shtml'&quot;,2000)">
<font face="arial">
<a href="index.shtml">Task Stats</a> <b>|</b> <a href="runtime.shtml">Run Time Stats</a> <b>|</b> <a href="http://www.freertos.org/">FreeRTOS Homepage</a> <b>|</b> <a href="logo.jpg">37K jpg</a>
<br><p>
<hr>
<br><p>
<h2>Task statistics</h2>
Page will refresh every 2 seconds.<p>
<font face="courier"><pre>Task State Priority Stack #<br>************************************************<br>
<!--#rtos_stats-->
</pre></font>
</font>
</body>
</html>

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>FreeRTOS.org lwIP WEB server demo</title>
</head>
<BODY onLoad="window.setTimeout(&quot;location.href='runtime.shtml'&quot;,2000)">
<font face="arial">
<a href="index.shtml">Task Stats</a> <b>|</b> <a href="runtime.shtml">Run Time Stats</a> <b>|</b> <a href="http://www.freertos.org/">FreeRTOS Homepage</a> <b>|</b> <a href="logo.jpg">37K jpg</a>
<br><p>
<hr>
<br><p>
<h2>Run-time statistics</h2>
Page will refresh every 2 seconds.<p>
<font face="courier"><pre>Task Abs Time % Time<br>****************************************<br>
<!--#run_stats-->
</pre></font>
</font>
</body>
</html>

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/**
* makefsdata: Converts a directory structure for use with the lwIP httpd.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Jim Pettinato
* Simon Goldschmidt
*
* @todo:
* - take TCP_MSS, LWIP_TCP_TIMESTAMPS and
* PAYLOAD_ALIGN_TYPE/PAYLOAD_ALIGNMENT as arguments
*/
#include <stdio.h>
#include <stdlib.h>
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#include "windows.h"
#else
#include <dir.h>
#endif
#include <dos.h>
#include <string.h>
/* Compatibility defines Win32 vs. DOS */
#ifdef WIN32
#define FIND_T WIN32_FIND_DATAA
#define FIND_T_FILENAME(fInfo) (fInfo.cFileName)
#define FIND_T_IS_DIR(fInfo) ((fInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0)
#define FIND_T_IS_FILE(fInfo) ((fInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
#define FIND_RET_T HANDLE
#define FINDFIRST_FILE(path, result) FindFirstFileA(path, result)
#define FINDFIRST_DIR(path, result) FindFirstFileA(path, result)
#define FINDNEXT(ff_res, result) FindNextFileA(ff_res, result)
#define FINDFIRST_SUCCEEDED(ret) (ret != INVALID_HANDLE_VALUE)
#define FINDNEXT_SUCCEEDED(ret) (ret == TRUE)
#define GETCWD(path, len) GetCurrentDirectoryA(len, path)
#define CHDIR(path) SetCurrentDirectoryA(path)
#define NEWLINE "\r\n"
#define NEWLINE_LEN 2
#else
#define FIND_T struct fflbk
#define FIND_T_FILENAME(fInfo) (fInfo.ff_name)
#define FIND_T_IS_DIR(fInfo) ((fInfo.ff_attrib & FA_DIREC) == FA_DIREC)
#define FIND_T_IS_FILE(fInfo) (1)
#define FIND_RET_T int
#define FINDFIRST_FILE(path, result) findfirst(path, result, FA_ARCH)
#define FINDFIRST_DIR(path, result) findfirst(path, result, FA_DIREC)
#define FINDNEXT(ff_res, result) FindNextFileA(ff_res, result)
#define FINDFIRST_SUCCEEDED(ret) (ret == 0)
#define FINDNEXT_SUCCEEDED(ret) (ret == 0)
#define GETCWD(path, len) getcwd(path, len)
#define CHDIR(path) chdir(path)
#endif
/* define this to get the header variables we use to build HTTP headers */
#define LWIP_HTTPD_DYNAMIC_HEADERS 1
#include "../httpd_structs.h"
#include "../../../lwip-1.4.0/src/core/ipv4/inet_chksum.c"
#include "../../../lwip-1.4.0/src/core/def.c"
/** (Your server name here) */
const char *serverID = "Server: "HTTPD_SERVER_AGENT"\r\n";
/* change this to suit your MEM_ALIGNMENT */
#define PAYLOAD_ALIGNMENT 4
/* set this to 0 to prevent aligning payload */
#define ALIGN_PAYLOAD 1
/* define this to a type that has the required alignment */
#define PAYLOAD_ALIGN_TYPE "unsigned int"
static int payload_alingment_dummy_counter = 0;
#define HEX_BYTES_PER_LINE 16
#define MAX_PATH_LEN 256
#define COPY_BUFSIZE 10240
int process_sub(FILE *data_file, FILE *struct_file);
int process_file(FILE *data_file, FILE *struct_file, const char *filename);
int file_write_http_header(FILE *data_file, const char *filename, int file_size,
u16_t *http_hdr_len, u16_t *http_hdr_chksum);
int file_put_ascii(FILE *file, const char *ascii_string, int len, int *i);
int s_put_ascii(char *buf, const char *ascii_string, int len, int *i);
void concat_files(const char *file1, const char *file2, const char *targetfile);
static unsigned char file_buffer_raw[COPY_BUFSIZE];
/* 5 bytes per char + 3 bytes per line */
static char file_buffer_c[COPY_BUFSIZE * 5 + ((COPY_BUFSIZE / HEX_BYTES_PER_LINE) * 3)];
char curSubdir[MAX_PATH_LEN];
char lastFileVar[MAX_PATH_LEN];
char hdr_buf[4096];
unsigned char processSubs = 1;
unsigned char includeHttpHeader = 1;
unsigned char useHttp11 = 0;
unsigned char precalcChksum = 0;
int main(int argc, char *argv[])
{
FIND_T fInfo;
FIND_RET_T fret;
char path[MAX_PATH_LEN];
char appPath[MAX_PATH_LEN];
FILE *data_file;
FILE *struct_file;
int filesProcessed;
int i;
char targetfile[MAX_PATH_LEN];
strcpy(targetfile, "fsdata.c");
memset(path, 0, sizeof(path));
memset(appPath, 0, sizeof(appPath));
printf(NEWLINE " makefsdata - HTML to C source converter" NEWLINE);
printf(" by Jim Pettinato - circa 2003 " NEWLINE);
printf(" extended by Simon Goldschmidt - 2009 " NEWLINE NEWLINE);
strcpy(path, "fs");
for(i = 1; i < argc; i++) {
if (argv[i][0] == '-') {
if (strstr(argv[i], "-s")) {
processSubs = 0;
} else if (strstr(argv[i], "-e")) {
includeHttpHeader = 0;
} else if (strstr(argv[i], "-11")) {
useHttp11 = 1;
} else if (strstr(argv[i], "-c")) {
precalcChksum = 1;
} else if((argv[i][1] == 'f') && (argv[i][2] == ':')) {
strcpy(targetfile, &argv[i][3]);
printf("Writing to file \"%s\"\n", targetfile);
}
} else {
strcpy(path, argv[i]);
}
}
/* if command line param or subdir named 'fs' not found spout usage verbiage */
fret = FINDFIRST_DIR(path, &fInfo);
if (!FINDFIRST_SUCCEEDED(fret)) {
/* if no subdir named 'fs' (or the one which was given) exists, spout usage verbiage */
printf(" Failed to open directory \"%s\"." NEWLINE NEWLINE, path);
printf(" Usage: htmlgen [targetdir] [-s] [-i] [-f:<filename>]" NEWLINE NEWLINE);
printf(" targetdir: relative or absolute path to files to convert" NEWLINE);
printf(" switch -s: toggle processing of subdirectories (default is on)" NEWLINE);
printf(" switch -e: exclude HTTP header from file (header is created at runtime, default is off)" NEWLINE);
printf(" switch -11: include HTTP 1.1 header (1.0 is default)" NEWLINE);
printf(" switch -c: precalculate checksums for all pages (default is off)" NEWLINE);
printf(" switch -f: target filename (default is \"fsdata.c\")" NEWLINE);
printf(" if targetdir not specified, htmlgen will attempt to" NEWLINE);
printf(" process files in subdirectory 'fs'" NEWLINE);
exit(-1);
}
printf("HTTP %sheader will %s statically included." NEWLINE,
(includeHttpHeader ? (useHttp11 ? "1.1 " : "1.0 ") : ""),
(includeHttpHeader ? "be" : "not be"));
sprintf(curSubdir, ""); /* start off in web page's root directory - relative paths */
printf(" Processing all files in directory %s", path);
if (processSubs) {
printf(" and subdirectories..." NEWLINE NEWLINE);
} else {
printf("..." NEWLINE NEWLINE);
}
GETCWD(appPath, MAX_PATH_LEN);
data_file = fopen("fsdata.tmp", "wb");
if (data_file == NULL) {
printf("Failed to create file \"fsdata.tmp\"\n");
exit(-1);
}
struct_file = fopen("fshdr.tmp", "wb");
if (struct_file == NULL) {
printf("Failed to create file \"fshdr.tmp\"\n");
exit(-1);
}
CHDIR(path);
fprintf(data_file, "#include \"fs.h\"" NEWLINE);
fprintf(data_file, "#include \"lwip/def.h\"" NEWLINE);
fprintf(data_file, "#include \"fsdata.h\"" NEWLINE NEWLINE NEWLINE);
fprintf(data_file, "#define file_NULL (struct fsdata_file *) NULL" NEWLINE NEWLINE NEWLINE);
sprintf(lastFileVar, "NULL");
filesProcessed = process_sub(data_file, struct_file);
/* data_file now contains all of the raw data.. now append linked list of
* file header structs to allow embedded app to search for a file name */
fprintf(data_file, NEWLINE NEWLINE);
fprintf(struct_file, "#define FS_ROOT file_%s" NEWLINE, lastFileVar);
fprintf(struct_file, "#define FS_NUMFILES %d" NEWLINE NEWLINE, filesProcessed);
fclose(data_file);
fclose(struct_file);
CHDIR(appPath);
/* append struct_file to data_file */
printf(NEWLINE "Creating target file..." NEWLINE NEWLINE);
concat_files("fsdata.tmp", "fshdr.tmp", targetfile);
/* if succeeded, delete the temporary files */
remove("fsdata.tmp");
remove("fshdr.tmp");
printf(NEWLINE "Processed %d files - done." NEWLINE NEWLINE, filesProcessed);
return 0;
}
static void copy_file(const char *filename_in, FILE *fout)
{
FILE *fin;
size_t len;
fin = fopen(filename_in, "rb");
if (fin == NULL) {
printf("Failed to open file \"%s\"\n", filename_in);
exit(-1);
}
while((len = fread(file_buffer_raw, 1, COPY_BUFSIZE, fin)) > 0)
{
fwrite(file_buffer_raw, 1, len, fout);
}
fclose(fin);
}
void concat_files(const char *file1, const char *file2, const char *targetfile)
{
FILE *fout;
fout = fopen(targetfile, "wb");
if (fout == NULL) {
printf("Failed to open file \"%s\"\n", targetfile);
exit(-1);
}
copy_file(file1, fout);
copy_file(file2, fout);
fclose(fout);
}
int process_sub(FILE *data_file, FILE *struct_file)
{
FIND_T fInfo;
FIND_RET_T fret;
int filesProcessed = 0;
char oldSubdir[MAX_PATH_LEN];
if (processSubs) {
/* process subs recursively */
strcpy(oldSubdir, curSubdir);
fret = FINDFIRST_DIR("*", &fInfo);
if (FINDFIRST_SUCCEEDED(fret)) {
do {
const char *curName = FIND_T_FILENAME(fInfo);
if (curName == NULL) continue;
if (curName[0] == '.') continue;
if (strcmp(curName, "CVS") == 0) continue;
if (!FIND_T_IS_DIR(fInfo)) continue;
CHDIR(curName);
strcat(curSubdir, "/");
strcat(curSubdir, curName);
printf(NEWLINE "processing subdirectory %s/..." NEWLINE, curSubdir);
filesProcessed += process_sub(data_file, struct_file);
CHDIR("..");
strcpy(curSubdir, oldSubdir);
} while (FINDNEXT_SUCCEEDED(FINDNEXT(fret, &fInfo)));
}
}
fret = FINDFIRST_FILE("*.*", &fInfo);
if (FINDFIRST_SUCCEEDED(fret)) {
/* at least one file in directory */
do {
if (FIND_T_IS_FILE(fInfo)) {
const char *curName = FIND_T_FILENAME(fInfo);
printf("processing %s/%s..." NEWLINE, curSubdir, curName);
if (process_file(data_file, struct_file, curName) < 0) {
printf(NEWLINE "Error... aborting" NEWLINE);
return -1;
}
filesProcessed++;
}
} while (FINDNEXT_SUCCEEDED(FINDNEXT(fret, &fInfo)));
}
return filesProcessed;
}
int get_file_size(const char* filename)
{
FILE *inFile;
int file_size = -1;
inFile = fopen(filename, "rb");
if (inFile == NULL) {
printf("Failed to open file \"%s\"\n", filename);
exit(-1);
}
fseek(inFile, 0, SEEK_END);
file_size = ftell(inFile);
fclose(inFile);
return file_size;
}
void process_file_data(const char *filename, FILE *data_file)
{
FILE *source_file;
size_t len, written, i, src_off=0;
source_file = fopen(filename, "rb");
do {
size_t off = 0;
len = fread(file_buffer_raw, 1, COPY_BUFSIZE, source_file);
if (len > 0) {
for (i = 0; i < len; i++) {
sprintf(&file_buffer_c[off], "0x%02.2x,", file_buffer_raw[i]);
off += 5;
if ((++src_off % HEX_BYTES_PER_LINE) == 0) {
memcpy(&file_buffer_c[off], NEWLINE, NEWLINE_LEN);
off += NEWLINE_LEN;
}
}
written = fwrite(file_buffer_c, 1, off, data_file);
}
} while(len > 0);
fclose(source_file);
}
int write_checksums(FILE *struct_file, const char *filename, const char *varname,
u16_t hdr_len, u16_t hdr_chksum)
{
int chunk_size = TCP_MSS;
int offset;
size_t len;
int i = 0;
FILE *f;
#if LWIP_TCP_TIMESTAMPS
/* when timestamps are used, usable space is 12 bytes less per segment */
chunk_size -= 12;
#endif
fprintf(struct_file, "#if HTTPD_PRECALCULATED_CHECKSUM" NEWLINE);
fprintf(struct_file, "const struct fsdata_chksum chksums_%s[] = {" NEWLINE, varname);
memset(file_buffer_raw, 0xab, sizeof(file_buffer_raw));
f = fopen(filename, "rb");
if (f == INVALID_HANDLE_VALUE) {
printf("Failed to open file \"%s\"\n", filename);
exit(-1);
}
if (hdr_len > 0) {
/* add checksum for HTTP header */
fprintf(struct_file, "{%d, 0x%04x, %d}," NEWLINE, 0, hdr_chksum, hdr_len);
i++;
}
for (offset = hdr_len; ; offset += len) {
unsigned short chksum;
len = fread(file_buffer_raw, 1, chunk_size, f);
if (len == 0) {
break;
}
chksum = ~inet_chksum(file_buffer_raw, (u16_t)len);
/* add checksum for data */
fprintf(struct_file, "{%d, 0x%04x, %d}," NEWLINE, offset, chksum, len);
i++;
}
fclose(f);
fprintf(struct_file, "};" NEWLINE);
fprintf(struct_file, "#endif /* HTTPD_PRECALCULATED_CHECKSUM */" NEWLINE);
return i;
}
int process_file(FILE *data_file, FILE *struct_file, const char *filename)
{
char *pch;
char varname[MAX_PATH_LEN];
int i = 0;
char qualifiedName[MAX_PATH_LEN];
int file_size;
u16_t http_hdr_chksum = 0;
u16_t http_hdr_len = 0;
int chksum_count = 0;
/* create qualified name (TODO: prepend slash or not?) */
sprintf(qualifiedName,"%s/%s", curSubdir, filename);
/* create C variable name */
strcpy(varname, qualifiedName);
/* convert slashes & dots to underscores */
while ((pch = strpbrk(varname, "./\\")) != NULL) {
*pch = '_';
}
#if ALIGN_PAYLOAD
/* to force even alignment of array */
fprintf(data_file, "static const " PAYLOAD_ALIGN_TYPE " dummy_align_%s = %d;" NEWLINE, varname, payload_alingment_dummy_counter++);
#endif /* ALIGN_PAYLOAD */
fprintf(data_file, "static const unsigned char data_%s[] = {" NEWLINE, varname);
/* encode source file name (used by file system, not returned to browser) */
fprintf(data_file, "/* %s (%d chars) */" NEWLINE, qualifiedName, strlen(qualifiedName)+1);
file_put_ascii(data_file, qualifiedName, strlen(qualifiedName)+1, &i);
#if ALIGN_PAYLOAD
/* pad to even number of bytes to assure payload is on aligned boundary */
while(i % PAYLOAD_ALIGNMENT != 0) {
fprintf(data_file, "0x%02.2x,", 0);
i++;
}
#endif /* ALIGN_PAYLOAD */
fprintf(data_file, NEWLINE);
file_size = get_file_size(filename);
if (includeHttpHeader) {
file_write_http_header(data_file, filename, file_size, &http_hdr_len, &http_hdr_chksum);
}
if (precalcChksum) {
chksum_count = write_checksums(struct_file, filename, varname, http_hdr_len, http_hdr_chksum);
}
/* build declaration of struct fsdata_file in temp file */
fprintf(struct_file, "const struct fsdata_file file_%s[] = { {" NEWLINE, varname);
fprintf(struct_file, "file_%s," NEWLINE, lastFileVar);
fprintf(struct_file, "data_%s," NEWLINE, varname);
fprintf(struct_file, "data_%s + %d," NEWLINE, varname, i);
fprintf(struct_file, "sizeof(data_%s) - %d," NEWLINE, varname, i);
fprintf(struct_file, "%d," NEWLINE, includeHttpHeader);
if (precalcChksum) {
fprintf(struct_file, "#if HTTPD_PRECALCULATED_CHECKSUM" NEWLINE);
fprintf(struct_file, "%d, chksums_%s," NEWLINE, chksum_count, varname);
fprintf(struct_file, "#endif /* HTTPD_PRECALCULATED_CHECKSUM */" NEWLINE);
}
fprintf(struct_file, "}};" NEWLINE NEWLINE);
strcpy(lastFileVar, varname);
/* write actual file contents */
i = 0;
fprintf(data_file, NEWLINE "/* raw file data (%d bytes) */" NEWLINE, file_size);
process_file_data(filename, data_file);
fprintf(data_file, "};" NEWLINE NEWLINE);
return 0;
}
int file_write_http_header(FILE *data_file, const char *filename, int file_size,
u16_t *http_hdr_len, u16_t *http_hdr_chksum)
{
int i = 0;
int response_type = HTTP_HDR_OK;
int file_type = HTTP_HDR_DEFAULT_TYPE;
const char *cur_string;
size_t cur_len;
int written = 0;
size_t hdr_len = 0;
u16_t acc;
const char *file_ext;
int j;
memset(hdr_buf, 0, sizeof(hdr_buf));
if (useHttp11) {
response_type = HTTP_HDR_OK_11;
}
fprintf(data_file, NEWLINE "/* HTTP header */");
if (strstr(filename, "404") == filename) {
response_type = HTTP_HDR_NOT_FOUND;
if (useHttp11) {
response_type = HTTP_HDR_NOT_FOUND_11;
}
} else if (strstr(filename, "400") == filename) {
response_type = HTTP_HDR_BAD_REQUEST;
if (useHttp11) {
response_type = HTTP_HDR_BAD_REQUEST_11;
}
} else if (strstr(filename, "501") == filename) {
response_type = HTTP_HDR_NOT_IMPL;
if (useHttp11) {
response_type = HTTP_HDR_NOT_IMPL_11;
}
}
cur_string = g_psHTTPHeaderStrings[response_type];
cur_len = strlen(cur_string);
fprintf(data_file, NEWLINE "/* \"%s\" (%d bytes) */" NEWLINE, cur_string, cur_len);
written += file_put_ascii(data_file, cur_string, cur_len, &i);
i = 0;
if (precalcChksum) {
memcpy(&hdr_buf[hdr_len], cur_string, cur_len);
hdr_len += cur_len;
}
cur_string = serverID;
cur_len = strlen(cur_string);
fprintf(data_file, NEWLINE "/* \"%s\" (%d bytes) */" NEWLINE, cur_string, cur_len);
written += file_put_ascii(data_file, cur_string, cur_len, &i);
i = 0;
if (precalcChksum) {
memcpy(&hdr_buf[hdr_len], cur_string, cur_len);
hdr_len += cur_len;
}
file_ext = filename;
while(strstr(file_ext, ".") != NULL) {
file_ext = strstr(file_ext, ".");
file_ext++;
}
if((file_ext == NULL) || (*file_ext == 0)) {
printf("failed to get extension for file \"%s\", using default.\n", filename);
} else {
for(j = 0; j < NUM_HTTP_HEADERS; j++) {
if(!strcmp(file_ext, g_psHTTPHeaders[j].extension)) {
file_type = g_psHTTPHeaders[j].headerIndex;
break;
}
}
if (j >= NUM_HTTP_HEADERS) {
printf("failed to get file type for extension \"%s\", using default.\n", file_ext);
file_type = HTTP_HDR_DEFAULT_TYPE;
}
}
if (useHttp11) {
char intbuf[MAX_PATH_LEN];
memset(intbuf, 0, sizeof(intbuf));
cur_string = g_psHTTPHeaderStrings[HTTP_HDR_CONTENT_LENGTH];
cur_len = strlen(cur_string);
fprintf(data_file, NEWLINE "/* \"%s%d\r\n\" (%d+ bytes) */" NEWLINE, cur_string, file_size, cur_len+2);
written += file_put_ascii(data_file, cur_string, cur_len, &i);
if (precalcChksum) {
memcpy(&hdr_buf[hdr_len], cur_string, cur_len);
hdr_len += cur_len;
}
_itoa(file_size, intbuf, 10);
strcat(intbuf, "\r\n");
cur_len = strlen(intbuf);
written += file_put_ascii(data_file, intbuf, cur_len, &i);
i = 0;
if (precalcChksum) {
memcpy(&hdr_buf[hdr_len], intbuf, cur_len);
hdr_len += cur_len;
}
cur_string = g_psHTTPHeaderStrings[HTTP_HDR_CONN_CLOSE];
cur_len = strlen(cur_string);
fprintf(data_file, NEWLINE "/* \"%s\" (%d bytes) */" NEWLINE, cur_string, cur_len);
written += file_put_ascii(data_file, cur_string, cur_len, &i);
i = 0;
if (precalcChksum) {
memcpy(&hdr_buf[hdr_len], cur_string, cur_len);
hdr_len += cur_len;
}
}
cur_string = g_psHTTPHeaderStrings[file_type];
cur_len = strlen(cur_string);
fprintf(data_file, NEWLINE "/* \"%s\" (%d bytes) */" NEWLINE, cur_string, cur_len);
written += file_put_ascii(data_file, cur_string, cur_len, &i);
i = 0;
if (precalcChksum) {
memcpy(&hdr_buf[hdr_len], cur_string, cur_len);
hdr_len += cur_len;
LWIP_ASSERT("hdr_len <= 0xffff", hdr_len <= 0xffff);
LWIP_ASSERT("strlen(hdr_buf) == hdr_len", strlen(hdr_buf) == hdr_len);
acc = ~inet_chksum(hdr_buf, (u16_t)hdr_len);
*http_hdr_len = (u16_t)hdr_len;
*http_hdr_chksum = acc;
}
return written;
}
int file_put_ascii(FILE *file, const char* ascii_string, int len, int *i)
{
int x;
for(x = 0; x < len; x++) {
unsigned char cur = ascii_string[x];
fprintf(file, "0x%02.2x,", cur);
if ((++(*i) % HEX_BYTES_PER_LINE) == 0) {
fprintf(file, NEWLINE);
}
}
return len;
}
int s_put_ascii(char *buf, const char *ascii_string, int len, int *i)
{
int x;
int idx = 0;
for(x = 0; x < len; x++) {
unsigned char cur = ascii_string[x];
sprintf(&buf[idx], "0x%02.2x,", cur);
idx += 5;
if ((++(*i) % HEX_BYTES_PER_LINE) == 0) {
sprintf(&buf[idx], NEWLINE);
idx += NEWLINE_LEN;
}
}
return len;
}

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/*
FreeRTOS V7.0.1 - Copyright (C) 2011 Real Time Engineers Ltd.
***************************************************************************
* *
* FreeRTOS tutorial books are available in pdf and paperback. *
* Complete, revised, and edited pdf reference manuals are also *
* available. *
* *
* Purchasing FreeRTOS documentation will not only help you, by *
* ensuring you get running as quickly as possible and with an *
* in-depth knowledge of how to use FreeRTOS, it will also help *
* the FreeRTOS project to continue with its mission of providing *
* professional grade, cross platform, de facto standard solutions *
* for microcontrollers - completely free of charge! *
* *
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
* *
* Thank you for using FreeRTOS, and thank you for your support! *
* *
***************************************************************************
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License (version 2) as published by the
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
>>>NOTE<<< The modification to the GPL is included to allow you to
distribute a combined work that includes FreeRTOS without being obliged to
provide the source code for proprietary components outside of the FreeRTOS
kernel. FreeRTOS 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 and the FreeRTOS license exception along with FreeRTOS; if not it
can be viewed here: http://www.freertos.org/a00114.html and also obtained
by writing to Richard Barry, contact details for whom are available on the
FreeRTOS WEB site.
1 tab == 4 spaces!
http://www.FreeRTOS.org - Documentation, latest information, license and
contact details.
http://www.SafeRTOS.com - A version that is certified for use in safety
critical systems.
http://www.OpenRTOS.com - Commercial support, development, porting,
licensing and training services.
*/
/* Standard includes. */
#include <string.h>
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"
/* lwIP core includes */
#include "lwip/opt.h"
#include "lwip/tcpip.h"
/* lwIP netif includes */
#include "netif/etharp.h"
/* applications includes */
#include "apps/httpserver_raw/httpd.h"
/* The constants that define the IP address, net mask, gateway address and MAC
address are located at the bottom of FreeRTOSConfig.h. */
#define LWIP_PORT_INIT_IPADDR(addr) IP4_ADDR((addr), configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 )
#define LWIP_PORT_INIT_GW(addr) IP4_ADDR((addr), configGW_IP_ADDR0, configGW_IP_ADDR1, configGW_IP_ADDR2, configGW_IP_ADDR3 )
#define LWIP_PORT_INIT_NETMASK(addr) IP4_ADDR((addr), configNET_MASK0,configNET_MASK1,configNET_MASK2,configNET_MASK3)
#define LWIP_MAC_ADDR_BASE { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 }
/* Definitions of the various SSI callback functions within the pccSSITags
array. If pccSSITags is updated, then these definitions must also be updated. */
#define ssiTASK_STATS_INDEX 0
#define ssiRUN_TIME_STATS_INDEX 1
/*
* The SSI handler callback function passed to lwIP.
*/
static unsigned short uslwIPAppsSSIHandler( int iIndex, char *pcBuffer, int iBufferLength );
/*-----------------------------------------------------------*/
/* The SSI strings that are embedded in the served html files. If this array
is changed, then the index position defined by the #defines such as
ssiTASK_STATS_INDEX above must also be updated. */
static const char *pccSSITags[] =
{
"rtos_stats",
"run_stats"
};
/*-----------------------------------------------------------*/
/* Called from the TCP/IP thread. */
void lwIPAppsInit( void *pvArgument )
{
ip_addr_t xIPAddr, xNetMask, xGateway;
extern err_t ethernetif_init( struct netif *xNetIf );
static struct netif xNetIf;
( void ) pvArgument;
/* Set up the network interface. */
ip_addr_set_zero( &xGateway );
ip_addr_set_zero( &xIPAddr );
ip_addr_set_zero( &xNetMask );
LWIP_PORT_INIT_GW(&xGateway);
LWIP_PORT_INIT_IPADDR(&xIPAddr);
LWIP_PORT_INIT_NETMASK(&xNetMask);
netif_set_default( netif_add( &xNetIf, &xIPAddr, &xNetMask, &xGateway, NULL, ethernetif_init, tcpip_input ) );
netif_set_up( &xNetIf );
/* Initialise the raw http server. */
httpd_init();
/* Install the server side include handler. */
http_set_ssi_handler( uslwIPAppsSSIHandler, pccSSITags, sizeof( pccSSITags ) / sizeof( char * ) );
}
/*-----------------------------------------------------------*/
static unsigned short uslwIPAppsSSIHandler( int iIndex, char *pcBuffer, int iBufferLength )
{
static unsigned int uiUpdateCount = 0;
static char cUpdateString[ 200 ];
extern char *pcMainGetTaskStatusMessage( void );
/* Unused parameter. */
( void ) iBufferLength;
/* The SSI handler function that generates text depending on the index of
the SSI tag encountered. */
switch( iIndex )
{
case ssiTASK_STATS_INDEX :
vTaskList( ( signed char * ) pcBuffer );
break;
case ssiRUN_TIME_STATS_INDEX :
vTaskGetRunTimeStats( ( signed char * ) pcBuffer );
break;
}
/* Include a count of the number of times an SSI function has been executed
in the returned string. */
uiUpdateCount++;
sprintf( cUpdateString, "\r\n\r\n%u\r\nStatus - %s", uiUpdateCount, pcMainGetTaskStatusMessage() );
strcat( pcBuffer, cUpdateString );
return strlen( pcBuffer );
}

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#define LWIP_PORT_INIT_IPADDR(addr) IP4_ADDR((addr), configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 )
#define LWIP_PORT_INIT_GW(addr) IP4_ADDR((addr), configGW_IP_ADDR0, configGW_IP_ADDR1, configGW_IP_ADDR2, configGW_IP_ADDR3 )
#define LWIP_PORT_INIT_NETMASK(addr) IP4_ADDR((addr), configNET_MASK0,configNET_MASK1,configNET_MASK2,configNET_MASK3)
/* remember to change this MAC address to suit your needs!
the last octet will be increased by netif->num for each netif */
#define LWIP_MAC_ADDR_BASE { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 }
/* configuration for applications */
#define LWIP_CHARGEN_APP 0
#define LWIP_DNS_APP 0
#define LWIP_HTTPD_APP 1

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
#include "xparameters.h"
/* Define platform endianness (might already be defined) */
#ifndef BYTE_ORDER
#if XPAR_MICROBLAZE_0_ENDIANNESS == 1
#define BYTE_ORDER LITTLE_ENDIAN
#else
#define BYTE_ORDER BIG_ENDIAN
#endif
#endif /* BYTE_ORDER */
/* Using the Lite Ethernet IP. */
#define XLWIP_CONFIG_INCLUDE_EMACLITE 1
/* SSI options. */
#define TCPIP_THREAD_NAME "tcpip"
#define LWIP_HTTPD_MAX_TAG_NAME_LEN 20
#define LWIP_HTTPD_MAX_TAG_INSERT_LEN 1500
#define TCPIP_THREAD_PRIO configLWIP_TASK_PRIORITY
#define TCPIP_THREAD_STACKSIZE configMINIMAL_STACK_SIZE * 3
/* MBox sizes cannot be zer, which is their default. */
#define DEFAULT_TCP_RECVMBOX_SIZE 5
#define DEFAULT_ACCEPTMBOX_SIZE 5
#define TCPIP_MBOX_SIZE 10
/* FreeRTOS is used. */
#define NO_SYS 0
/* In this example, sockets are not used, only the raw API. */
#define LWIP_SOCKET 0
/* In this example, only the raw API is used. */
#define LWIP_NETCONN 0
/* SNMP and IGMP are not required by this simple demo. ICMP is always useful
though. */
#define LWIP_SNMP 0
#define LWIP_IGMP 0
#define LWIP_ICMP 1
/* DNS is not going to be used as this is a simple local example. */
#define LWIP_DNS 0
#define LWIP_HAVE_LOOPIF 0
#define TCP_LISTEN_BACKLOG 0
#define LWIP_SO_RCVTIMEO 1
#define LWIP_SO_RCVBUF 1
#ifdef LWIP_DEBUG
#define LWIP_DBG_MIN_LEVEL 0
#define PPP_DEBUG LWIP_DBG_OFF
#define MEM_DEBUG LWIP_DBG_ON
#define MEMP_DEBUG LWIP_DBG_ON
#define PBUF_DEBUG LWIP_DBG_ON
#define API_LIB_DEBUG LWIP_DBG_OFF
#define API_MSG_DEBUG LWIP_DBG_OFF
#define TCPIP_DEBUG LWIP_DBG_OFF
#define NETIF_DEBUG LWIP_DBG_OFF
#define SOCKETS_DEBUG LWIP_DBG_OFF
#define DNS_DEBUG LWIP_DBG_OFF
#define AUTOIP_DEBUG LWIP_DBG_OFF
#define DHCP_DEBUG LWIP_DBG_OFF
#define IP_DEBUG LWIP_DBG_OFF
#define IP_REASS_DEBUG LWIP_DBG_OFF
#define ICMP_DEBUG LWIP_DBG_OFF
#define IGMP_DEBUG LWIP_DBG_OFF
#define UDP_DEBUG LWIP_DBG_OFF
#define TCP_DEBUG LWIP_DBG_OFF
#define TCP_INPUT_DEBUG LWIP_DBG_OFF
#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
#define TCP_RTO_DEBUG LWIP_DBG_OFF
#define TCP_CWND_DEBUG LWIP_DBG_OFF
#define TCP_WND_DEBUG LWIP_DBG_OFF
#define TCP_FR_DEBUG LWIP_DBG_OFF
#define TCP_QLEN_DEBUG LWIP_DBG_OFF
#define TCP_RST_DEBUG LWIP_DBG_OFF
#endif
#define LWIP_DBG_TYPES_ON (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH|LWIP_DBG_HALT)
/* ---------- Memory options ---------- */
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
byte alignment -> define MEM_ALIGNMENT to 2. */
/* MSVC port: intel processors don't need 4-byte alignment,
but are faster that way! */
#define MEM_ALIGNMENT 4
/* MEM_SIZE: the size of the heap memory. If the application will send
a lot of data that needs to be copied, this should be set high. */
#define MEM_SIZE 10240
/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
sends a lot of data out of ROM (or other static memory), this
should be set high. */
#define MEMP_NUM_PBUF 10
/* MEMP_NUM_RAW_PCB: the number of UDP protocol control blocks. One
per active RAW "connection". */
#define LWIP_RAW 0
#define MEMP_NUM_RAW_PCB 0
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
per active UDP "connection". */
#define MEMP_NUM_UDP_PCB 2
/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
connections. */
#define MEMP_NUM_TCP_PCB 40
/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
connections. */
#define MEMP_NUM_TCP_PCB_LISTEN 2
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
segments. */
#define MEMP_NUM_TCP_SEG 10
/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
timeouts. */
#define MEMP_NUM_SYS_TIMEOUT 15
/* The following four are used only with the sequential API and can be
set to 0 if the application only will use the raw API. */
/* MEMP_NUM_NETBUF: the number of struct netbufs. */
#define MEMP_NUM_NETBUF 0
/* MEMP_NUM_NETCONN: the number of struct netconns. */
#define MEMP_NUM_NETCONN 0
/* MEMP_NUM_TCPIP_MSG_*: the number of struct tcpip_msg, which is used
for sequential API communication and incoming packets. Used in
src/api/tcpip.c. */
#define MEMP_NUM_TCPIP_MSG_API 4
#define MEMP_NUM_TCPIP_MSG_INPKT 4
#define MEMP_NUM_ARP_QUEUE 5
/* ---------- Pbuf options ---------- */
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
#define PBUF_POOL_SIZE 10
/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
#define PBUF_POOL_BUFSIZE 375
/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
link level header. */
#define PBUF_LINK_HLEN 16
/** SYS_LIGHTWEIGHT_PROT
* define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection
* for certain critical regions during buffer allocation, deallocation and memory
* allocation and deallocation.
*/
#define SYS_LIGHTWEIGHT_PROT (NO_SYS==0)
/* ---------- TCP options ---------- */
#define LWIP_TCP 1
#define TCP_TTL 255
/* Controls if TCP should queue segments that arrive out of
order. Define to 0 if your device is low on memory. */
#define TCP_QUEUE_OOSEQ 1
/* TCP Maximum segment size. */
#define TCP_MSS 1460
/* TCP sender buffer space (bytes). */
#define TCP_SND_BUF 2048
/* TCP sender buffer space (pbufs). This must be at least = 2 *
TCP_SND_BUF/TCP_MSS for things to work. */
#define TCP_SND_QUEUELEN (4 * TCP_SND_BUF/TCP_MSS)
/* TCP writable space (bytes). This must be less than or equal
to TCP_SND_BUF. It is the amount of space which must be
available in the tcp snd_buf for select to return writable */
#define TCP_SNDLOWAT (TCP_SND_BUF/2)
/* TCP receive window. */
#define TCP_WND 4048
/* Maximum number of retransmissions of data segments. */
#define TCP_MAXRTX 12
/* Maximum number of retransmissions of SYN segments. */
#define TCP_SYNMAXRTX 4
/* ---------- ARP options ---------- */
#define LWIP_ARP 1
#define ARP_TABLE_SIZE 10
#define ARP_QUEUEING 1
/* ---------- IP options ---------- */
/* Define IP_FORWARD to 1 if you wish to have the ability to forward
IP packets across network interfaces. If you are going to run lwIP
on a device with only one network interface, define this to 0. */
#define IP_FORWARD 0
/* IP reassembly and segmentation.These are orthogonal even
* if they both deal with IP fragments */
#define IP_REASSEMBLY 0
#define IP_REASS_MAX_PBUFS 10
#define MEMP_NUM_REASSDATA 10
#define IP_FRAG 0
/* ---------- ICMP options ---------- */
#define ICMP_TTL 255
/* ---------- DHCP options ---------- */
/* Define LWIP_DHCP to 1 if you want DHCP configuration of
interfaces. */
#define LWIP_DHCP 0
/* 1 if you want to do an ARP check on the offered address
(recommended). */
#define DHCP_DOES_ARP_CHECK (LWIP_DHCP)
/* ---------- AUTOIP options ------- */
#define LWIP_AUTOIP 0
#define LWIP_DHCP_AUTOIP_COOP (LWIP_DHCP && LWIP_AUTOIP)
/* ---------- UDP options ---------- */
#define LWIP_UDP 1
#define LWIP_UDPLITE 1
#define UDP_TTL 255
/* ---------- Statistics options ---------- */
#define LWIP_STATS 1
#define LWIP_STATS_DISPLAY 0
#if LWIP_STATS
#define LINK_STATS 1
#define IP_STATS 1
#define ICMP_STATS 0
#define IGMP_STATS 0
#define IPFRAG_STATS 0
#define UDP_STATS 1
#define TCP_STATS 1
#define MEM_STATS 1
#define MEMP_STATS 1
#define PBUF_STATS 1
#define SYS_STATS 1
#endif /* LWIP_STATS */
/* ---------- PPP options ---------- */
#define PPP_SUPPORT 0 /* Set > 0 for PPP */
#if PPP_SUPPORT
#define NUM_PPP 1 /* Max PPP sessions. */
/* Select modules to enable. Ideally these would be set in the makefile but
* we're limited by the command line length so you need to modify the settings
* in this file.
*/
#define PPPOE_SUPPORT 1
#define PPPOS_SUPPORT 1
#define PAP_SUPPORT 1 /* Set > 0 for PAP. */
#define CHAP_SUPPORT 1 /* Set > 0 for CHAP. */
#define MSCHAP_SUPPORT 0 /* Set > 0 for MSCHAP (NOT FUNCTIONAL!) */
#define CBCP_SUPPORT 0 /* Set > 0 for CBCP (NOT FUNCTIONAL!) */
#define CCP_SUPPORT 0 /* Set > 0 for CCP (NOT FUNCTIONAL!) */
#define VJ_SUPPORT 1 /* Set > 0 for VJ header compression. */
#define MD5_SUPPORT 1 /* Set > 0 for MD5 (see also CHAP) */
#endif /* PPP_SUPPORT */
#endif /* __LWIPOPTS_H__ */