Add third_party libs

1 files changed, 400 insertions, 0 deletions

diff --git a/third_party/FreeRTOS/Demo/Common/ethernet/FreeTCPIP/apps/httpd/httpd.c b/third_party/FreeRTOS/Demo/Common/ethernet/FreeTCPIP/apps/httpd/httpd.c
new file mode 100644
index 0000000..99564a9
--- /dev/null
+++ b/third_party/FreeRTOS/Demo/Common/ethernet/FreeTCPIP/apps/httpd/httpd.c
@@ -0,0 +1,400 @@
+/**

+ * \addtogroup apps

+ * @{

+ */

+

+/**

+ * \defgroup httpd Web server

+ * @{

+ * The uIP web server is a very simplistic implementation of an HTTP

+ * server. It can serve web pages and files from a read-only ROM

+ * filesystem, and provides a very small scripting language.

+

+ */

+

+/**

+ * \file

+ *         Web server

+ * \author

+ *         Adam Dunkels <adam@sics.se>

+ */

+

+/*

+ * Copyright (c) 2004, Adam Dunkels.

+ * 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. Neither the name of the Institute nor the names of its contributors

+ *    may be used to endorse or promote products derived from this software

+ *    without specific prior written permission.

+ *

+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.

+ *

+ * This file is part of the uIP TCP/IP stack.

+ *

+ * Author: Adam Dunkels <adam@sics.se>

+ *

+ * $Id: httpd.c,v 1.2 2006/06/11 21:46:38 adam Exp $

+ */

+#include "net/uip.h"

+#include "apps/httpd/httpd.h"

+#include "apps/httpd/httpd-fs.h"

+#include "apps/httpd/httpd-cgi.h"

+#include "apps/httpd/http-strings.h"

+

+#include <string.h>

+

+#define STATE_WAITING	0

+#define STATE_OUTPUT	1

+

+#define ISO_nl			0x0a

+#define ISO_space		0x20

+#define ISO_bang		0x21

+#define ISO_percent		0x25

+#define ISO_period		0x2e

+#define ISO_slash		0x2f

+#define ISO_colon		0x3a

+

+/*---------------------------------------------------------------------------*/

+static unsigned short generate_part_of_file( void *state )

+{

+	struct httpd_state	*s = ( struct httpd_state * ) state;

+

+	if( s->file.len > uip_mss() )

+	{

+		s->len = uip_mss();

+	}

+	else

+	{

+		s->len = s->file.len;

+	}

+

+	memcpy( uip_appdata, s->file.data, s->len );

+

+	return s->len;

+}

+

+/*---------------------------------------------------------------------------*/

+static PT_THREAD( send_file ( struct httpd_state *s ) )

+{

+	PSOCK_BEGIN( &s->sout );

+

+	( void ) PT_YIELD_FLAG;

+	

+	do

+	{

+		PSOCK_GENERATOR_SEND( &s->sout, generate_part_of_file, s );

+		s->file.len -= s->len;

+		s->file.data += s->len;

+	} while( s->file.len > 0 );

+

+	PSOCK_END( &s->sout );

+}

+

+/*---------------------------------------------------------------------------*/

+static PT_THREAD( send_part_of_file ( struct httpd_state *s ) )

+{

+	PSOCK_BEGIN( &s->sout );

+	( void ) PT_YIELD_FLAG;

+	

+	PSOCK_SEND( &s->sout, s->file.data, s->len );

+

+	PSOCK_END( &s->sout );

+}

+

+/*---------------------------------------------------------------------------*/

+static void next_scriptstate( struct httpd_state *s )

+{

+	char	*p;

+	p = strchr( s->scriptptr, ISO_nl ) + 1;

+	s->scriptlen -= ( unsigned short ) ( p - s->scriptptr );

+	s->scriptptr = p;

+}

+

+/*---------------------------------------------------------------------------*/

+static PT_THREAD( handle_script ( struct httpd_state *s ) )

+{

+	char	*ptr;

+

+	PT_BEGIN( &s->scriptpt );

+	( void ) PT_YIELD_FLAG;

+	while( s->file.len > 0 )

+	{

+		/* Check if we should start executing a script. */

+		if( *s->file.data == ISO_percent && *(s->file.data + 1) == ISO_bang )

+		{

+			s->scriptptr = s->file.data + 3;

+			s->scriptlen = s->file.len - 3;

+			if( *(s->scriptptr - 1) == ISO_colon )

+			{

+				httpd_fs_open( s->scriptptr + 1, &s->file );

+				PT_WAIT_THREAD( &s->scriptpt, send_file(s) );

+			}

+			else

+			{

+				PT_WAIT_THREAD( &s->scriptpt, httpd_cgi(s->scriptptr) (s, s->scriptptr) );

+			}

+

+			next_scriptstate( s );

+

+			/* The script is over, so we reset the pointers and continue

+	 		sending the rest of the file. */

+			s->file.data = s->scriptptr;

+			s->file.len = s->scriptlen;

+		}

+		else

+		{

+			/* See if we find the start of script marker in the block of HTML

+	 to be sent. */

+			if( s->file.len > uip_mss() )

+			{

+				s->len = uip_mss();

+			}

+			else

+			{

+				s->len = s->file.len;

+			}

+

+			if( *s->file.data == ISO_percent )

+			{

+				ptr = strchr( s->file.data + 1, ISO_percent );

+			}

+			else

+			{

+				ptr = strchr( s->file.data, ISO_percent );

+			}

+

+			if( ptr != NULL && ptr != s->file.data )

+			{

+				s->len = ( int ) ( ptr - s->file.data );

+				if( s->len >= uip_mss() )

+				{

+					s->len = uip_mss();

+				}

+			}

+

+			PT_WAIT_THREAD( &s->scriptpt, send_part_of_file(s) );

+			s->file.data += s->len;

+			s->file.len -= s->len;

+		}

+	}

+

+	PT_END( &s->scriptpt );

+}

+

+/*---------------------------------------------------------------------------*/

+static PT_THREAD( send_headers ( struct httpd_state *s, const char *statushdr ) )

+{

+	char	*ptr;

+

+	PSOCK_BEGIN( &s->sout );

+	( void ) PT_YIELD_FLAG;

+	PSOCK_SEND_STR( &s->sout, statushdr );

+

+	ptr = strrchr( s->filename, ISO_period );

+	if( ptr == NULL )

+	{

+		PSOCK_SEND_STR( &s->sout, http_content_type_binary );

+	}

+	else if( strncmp(http_html, ptr, 5) == 0 || strncmp(http_shtml, ptr, 6) == 0 )

+	{

+		PSOCK_SEND_STR( &s->sout, http_content_type_html );

+	}

+	else if( strncmp(http_css, ptr, 4) == 0 )

+	{

+		PSOCK_SEND_STR( &s->sout, http_content_type_css );

+	}

+	else if( strncmp(http_png, ptr, 4) == 0 )

+	{

+		PSOCK_SEND_STR( &s->sout, http_content_type_png );

+	}

+	else if( strncmp(http_gif, ptr, 4) == 0 )

+	{

+		PSOCK_SEND_STR( &s->sout, http_content_type_gif );

+	}

+	else if( strncmp(http_jpg, ptr, 4) == 0 )

+	{

+		PSOCK_SEND_STR( &s->sout, http_content_type_jpg );

+	}

+	else

+	{

+		PSOCK_SEND_STR( &s->sout, http_content_type_plain );

+	}

+

+	PSOCK_END( &s->sout );

+}

+

+/*---------------------------------------------------------------------------*/

+static PT_THREAD( handle_output ( struct httpd_state *s ) )

+{

+	char	*ptr;

+

+	PT_BEGIN( &s->outputpt );

+	( void ) PT_YIELD_FLAG;

+	if( !httpd_fs_open(s->filename, &s->file) )

+	{

+		httpd_fs_open( http_404_html, &s->file );

+		strcpy( s->filename, http_404_html );

+		PT_WAIT_THREAD( &s->outputpt, send_headers(s, http_header_404) );

+		PT_WAIT_THREAD( &s->outputpt, send_file(s) );

+	}

+	else

+	{

+		PT_WAIT_THREAD( &s->outputpt, send_headers(s, http_header_200) );

+		ptr = strchr( s->filename, ISO_period );

+		if( ptr != NULL && strncmp(ptr, http_shtml, 6) == 0 )

+		{

+			PT_INIT( &s->scriptpt );

+			PT_WAIT_THREAD( &s->outputpt, handle_script(s) );

+		}

+		else

+		{

+			PT_WAIT_THREAD( &s->outputpt, send_file(s) );

+		}

+	}

+

+	PSOCK_CLOSE( &s->sout );

+	PT_END( &s->outputpt );

+}

+

+/*---------------------------------------------------------------------------*/

+static PT_THREAD( handle_input ( struct httpd_state *s ) )

+{

+	PSOCK_BEGIN( &s->sin );

+	( void ) PT_YIELD_FLAG;

+	PSOCK_READTO( &s->sin, ISO_space );

+

+	if( strncmp(s->inputbuf, http_get, 4) != 0 )

+	{

+		PSOCK_CLOSE_EXIT( &s->sin );

+	}

+

+	PSOCK_READTO( &s->sin, ISO_space );

+

+	if( s->inputbuf[0] != ISO_slash )

+	{

+		PSOCK_CLOSE_EXIT( &s->sin );

+	}

+

+	if( s->inputbuf[1] == ISO_space )

+	{

+		strncpy( s->filename, http_index_html, sizeof(s->filename) );

+	}

+	else

+	{

+		s->inputbuf[PSOCK_DATALEN( &s->sin ) - 1] = 0;

+		

+		/* Process any form input being sent to the server. */

+		#if UIP_CONF_PROCESS_HTTPD_FORMS == 1

+		{

+			extern void vApplicationProcessFormInput( char *pcInputString );

+			vApplicationProcessFormInput( s->inputbuf );

+		}

+		#endif

+		

+		strncpy( s->filename, &s->inputbuf[0], sizeof(s->filename) );

+	}

+

+	/*  httpd_log_file(uip_conn->ripaddr, s->filename);*/

+	s->state = STATE_OUTPUT;

+

+	while( 1 )

+	{

+		PSOCK_READTO( &s->sin, ISO_nl );

+

+		if( strncmp(s->inputbuf, http_referer, 8) == 0 )

+		{

+			s->inputbuf[PSOCK_DATALEN( &s->sin ) - 2] = 0;

+

+			/*      httpd_log(&s->inputbuf[9]);*/

+		}

+	}

+

+	PSOCK_END( &s->sin );

+}

+

+/*---------------------------------------------------------------------------*/

+static void handle_connection( struct httpd_state *s )

+{

+	handle_input( s );

+	if( s->state == STATE_OUTPUT )

+	{

+		handle_output( s );

+	}

+}

+

+/*---------------------------------------------------------------------------*/

+void httpd_appcall( void )

+{

+	struct httpd_state	*s = ( struct httpd_state * ) &( uip_conn->appstate );

+

+	if( uip_closed() || uip_aborted() || uip_timedout() )

+	{

+	}

+	else if( uip_connected() )

+	{

+		PSOCK_INIT( &s->sin, s->inputbuf, sizeof(s->inputbuf) - 1 );

+		PSOCK_INIT( &s->sout, s->inputbuf, sizeof(s->inputbuf) - 1 );

+		PT_INIT( &s->outputpt );

+		s->state = STATE_WAITING;

+

+		/*    timer_set(&s->timer, CLOCK_SECOND * 100);*/

+		s->timer = 0;

+		handle_connection( s );

+	}

+	else if( s != NULL )

+	{

+		if( uip_poll() )

+		{

+			++s->timer;

+			if( s->timer >= 20 )

+			{

+				uip_abort();

+			}

+		}

+		else

+		{

+			s->timer = 0;

+		}

+

+		handle_connection( s );

+	}

+	else

+	{

+		uip_abort();

+	}

+}

+

+/*---------------------------------------------------------------------------*/

+

+/**

+ * \brief      Initialize the web server

+ *

+ *             This function initializes the web server and should be

+ *             called at system boot-up.

+ */

+void httpd_init( void )

+{

+	uip_listen( HTONS(80) );

+}

+

+/*---------------------------------------------------------------------------*/

+

+/** @} */