diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
commit | 071e02c6b6b4837fa9cf0b6d4c749994e02638d7 (patch) | |
tree | 960446788703b69f0bb285450be80c5b3d8cc22c /Demos/Device/ClassDriver/RNDISEthernet/Lib/Webserver.c | |
parent | e331b531c6e6d93eb0eee42b9002074e8090ad18 (diff) | |
download | lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.gz lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.bz2 lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.zip |
Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
Diffstat (limited to 'Demos/Device/ClassDriver/RNDISEthernet/Lib/Webserver.c')
-rw-r--r-- | Demos/Device/ClassDriver/RNDISEthernet/Lib/Webserver.c | 400 |
1 files changed, 200 insertions, 200 deletions
diff --git a/Demos/Device/ClassDriver/RNDISEthernet/Lib/Webserver.c b/Demos/Device/ClassDriver/RNDISEthernet/Lib/Webserver.c index 7f2502027..7f90de3b8 100644 --- a/Demos/Device/ClassDriver/RNDISEthernet/Lib/Webserver.c +++ b/Demos/Device/ClassDriver/RNDISEthernet/Lib/Webserver.c @@ -1,200 +1,200 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- *
- * Simple webserver application for demonstrating the RNDIS demo and TCP/IP stack. This
- * application will serve up a static HTTP web page when requested by the host.
- */
-
-#include "Webserver.h"
-
-/** HTTP server response header, for transmission before the page contents. This indicates to the host that a page exists at the
- * given location, and gives extra connection information.
- */
-char PROGMEM HTTP200Header[] = "HTTP/1.1 200 OK\r\n"
- "Server: LUFA RNDIS\r\n"
- "Content-type: text/html\r\n"
- "Connection: close\r\n\r\n";
-
-/** HTTP server response header, for transmission before a resource not found error. This indicates to the host that the given
- * given URL is invalid, and gives extra error information.
- */
-char PROGMEM HTTP404Header[] = "HTTP/1.1 404 Not Found\r\n"
- "Server: LUFA RNDIS\r\n"
- "Connection: close\r\n\r\n";
-
-/** HTTP page to serve to the host when a HTTP request is made. This page is too long for a single response, thus it is automatically
- * broken up into smaller blocks and sent as a series of packets each time the webserver application callback is run.
- */
-char PROGMEM HTTPPage[] =
- "<html>"
- " <head>"
- " <title>"
- " LUFA Webserver Demo"
- " </title>"
- " </head>"
- " <body>"
- " <h1>Hello from your USB AVR!</h1>"
- " <p>"
- " Hello! Welcome to the LUFA RNDIS Demo Webserver test page, running on your USB AVR via the LUFA library. This demonstrates the HTTP webserver, TCP/IP stack and RNDIS demo all running atop the LUFA USB stack."
- " <br /><br />"
- " <small>Project Information: <a href=\"http://www.fourwalledcubicle.com/LUFA.php\">http://www.fourwalledcubicle.com/LUFA.php</a>.</small>"
- " <hr />"
- " <i>LUFA Version: </i>" LUFA_VERSION_STRING
- " </p>"
- " </body>"
- "</html>";
-
-
-/** Initializes the Webserver application, opening the appropriate HTTP port in the TCP handler and registering the application
- * callback routine for packets sent to the HTTP protocol port.
- */
-void Webserver_Init(void)
-{
- /* Open the HTTP port in the TCP protocol so that HTTP connections to the device can be established */
- TCP_SetPortState(TCP_PORT_HTTP, TCP_Port_Open, Webserver_ApplicationCallback);
-}
-
-/** Indicates if a given request equals the given HTTP command.
- *
- * \param[in] RequestHeader HTTP request made by the host
- * \param[in] Command HTTP command to compare the request to
- *
- * \return Boolean true if the command matches the request, false otherwise
- */
-static bool IsHTTPCommand(uint8_t* RequestHeader, char* Command)
-{
- /* Returns true if the non null terminated string in RequestHeader matches the null terminated string Command */
- return (strncmp((char*)RequestHeader, Command, strlen(Command)) == 0);
-}
-
-/** Application callback routine, executed each time the TCP processing task runs. This callback determines what request
- * has been made (if any), and serves up appropriate responses.
- *
- * \param[in] ConnectionState Pointer to a TCP Connection State structure giving connection information
- * \param[in,out] Buffer Pointer to the application's send/receive packet buffer
- */
-void Webserver_ApplicationCallback(TCP_ConnectionState_t* ConnectionState, TCP_ConnectionBuffer_t* Buffer)
-{
- char* BufferDataStr = (char*)Buffer->Data;
- static uint8_t PageBlock = 0;
-
- /* Check to see if a packet has been received on the HTTP port from a remote host */
- if (TCP_APP_HAS_RECEIVED_PACKET(Buffer))
- {
- if (IsHTTPCommand(Buffer->Data, "GET"))
- {
- if (IsHTTPCommand(Buffer->Data, "GET / "))
- {
- PageBlock = 0;
-
- /* Copy the HTTP 200 response header into the packet buffer */
- strcpy_P(BufferDataStr, HTTP200Header);
-
- /* Send the buffer contents to the host */
- TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
-
- /* Lock the buffer to Device->Host transmissions only while we send the page contents */
- TCP_APP_CAPTURE_BUFFER(Buffer);
- }
- else
- {
- /* Copy the HTTP 404 response header into the packet buffer */
- strcpy_P(BufferDataStr, HTTP404Header);
-
- /* Send the buffer contents to the host */
- TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
-
- /* All data sent, close the connection */
- TCP_APP_CLOSECONNECTION(ConnectionState);
- }
- }
- else if (IsHTTPCommand(Buffer->Data, "HEAD"))
- {
- if (IsHTTPCommand(Buffer->Data, "HEAD / "))
- {
- /* Copy the HTTP response header into the packet buffer */
- strcpy_P(BufferDataStr, HTTP200Header);
-
- /* Send the buffer contents to the host */
- TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
- }
- else
- {
- /* Copy the HTTP response header into the packet buffer */
- strcpy_P(BufferDataStr, HTTP404Header);
-
- /* Send the buffer contents to the host */
- TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
- }
-
- /* All data sent, close the connection */
- TCP_APP_CLOSECONNECTION(ConnectionState);
- }
- else if (IsHTTPCommand(Buffer->Data, "TRACE"))
- {
- /* Echo the host's query back to the host */
- TCP_APP_SEND_BUFFER(Buffer, Buffer->Length);
-
- /* All data sent, close the connection */
- TCP_APP_CLOSECONNECTION(ConnectionState);
- }
- else
- {
- /* Unknown request, just clear the buffer (drop the packet) */
- TCP_APP_CLEAR_BUFFER(Buffer);
- }
- }
- else if (TCP_APP_HAVE_CAPTURED_BUFFER(Buffer))
- {
- uint16_t RemLength = strlen_P(&HTTPPage[PageBlock * HTTP_REPLY_BLOCK_SIZE]);
- uint16_t Length;
-
- /* Determine the length of the loaded block */
- Length = ((RemLength > HTTP_REPLY_BLOCK_SIZE) ? HTTP_REPLY_BLOCK_SIZE : RemLength);
-
- /* Copy the next buffer sized block of the page to the packet buffer */
- strncpy_P(BufferDataStr, &HTTPPage[PageBlock * HTTP_REPLY_BLOCK_SIZE], Length);
-
- /* Send the buffer contents to the host */
- TCP_APP_SEND_BUFFER(Buffer, Length);
-
- /* Check to see if the entire page has been sent */
- if (PageBlock++ == (sizeof(HTTPPage) / HTTP_REPLY_BLOCK_SIZE))
- {
- /* Unlock the buffer so that the host can fill it with future packets */
- TCP_APP_RELEASE_BUFFER(Buffer);
-
- /* Close the connection to the host */
- TCP_APP_CLOSECONNECTION(ConnectionState);
- }
- }
-}
+/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * + * Simple webserver application for demonstrating the RNDIS demo and TCP/IP stack. This + * application will serve up a static HTTP web page when requested by the host. + */ + +#include "Webserver.h" + +/** HTTP server response header, for transmission before the page contents. This indicates to the host that a page exists at the + * given location, and gives extra connection information. + */ +char PROGMEM HTTP200Header[] = "HTTP/1.1 200 OK\r\n" + "Server: LUFA RNDIS\r\n" + "Content-type: text/html\r\n" + "Connection: close\r\n\r\n"; + +/** HTTP server response header, for transmission before a resource not found error. This indicates to the host that the given + * given URL is invalid, and gives extra error information. + */ +char PROGMEM HTTP404Header[] = "HTTP/1.1 404 Not Found\r\n" + "Server: LUFA RNDIS\r\n" + "Connection: close\r\n\r\n"; + +/** HTTP page to serve to the host when a HTTP request is made. This page is too long for a single response, thus it is automatically + * broken up into smaller blocks and sent as a series of packets each time the webserver application callback is run. + */ +char PROGMEM HTTPPage[] = + "<html>" + " <head>" + " <title>" + " LUFA Webserver Demo" + " </title>" + " </head>" + " <body>" + " <h1>Hello from your USB AVR!</h1>" + " <p>" + " Hello! Welcome to the LUFA RNDIS Demo Webserver test page, running on your USB AVR via the LUFA library. This demonstrates the HTTP webserver, TCP/IP stack and RNDIS demo all running atop the LUFA USB stack." + " <br /><br />" + " <small>Project Information: <a href=\"http://www.fourwalledcubicle.com/LUFA.php\">http://www.fourwalledcubicle.com/LUFA.php</a>.</small>" + " <hr />" + " <i>LUFA Version: </i>" LUFA_VERSION_STRING + " </p>" + " </body>" + "</html>"; + + +/** Initializes the Webserver application, opening the appropriate HTTP port in the TCP handler and registering the application + * callback routine for packets sent to the HTTP protocol port. + */ +void Webserver_Init(void) +{ + /* Open the HTTP port in the TCP protocol so that HTTP connections to the device can be established */ + TCP_SetPortState(TCP_PORT_HTTP, TCP_Port_Open, Webserver_ApplicationCallback); +} + +/** Indicates if a given request equals the given HTTP command. + * + * \param[in] RequestHeader HTTP request made by the host + * \param[in] Command HTTP command to compare the request to + * + * \return Boolean true if the command matches the request, false otherwise + */ +static bool IsHTTPCommand(uint8_t* RequestHeader, char* Command) +{ + /* Returns true if the non null terminated string in RequestHeader matches the null terminated string Command */ + return (strncmp((char*)RequestHeader, Command, strlen(Command)) == 0); +} + +/** Application callback routine, executed each time the TCP processing task runs. This callback determines what request + * has been made (if any), and serves up appropriate responses. + * + * \param[in] ConnectionState Pointer to a TCP Connection State structure giving connection information + * \param[in,out] Buffer Pointer to the application's send/receive packet buffer + */ +void Webserver_ApplicationCallback(TCP_ConnectionState_t* ConnectionState, TCP_ConnectionBuffer_t* Buffer) +{ + char* BufferDataStr = (char*)Buffer->Data; + static uint8_t PageBlock = 0; + + /* Check to see if a packet has been received on the HTTP port from a remote host */ + if (TCP_APP_HAS_RECEIVED_PACKET(Buffer)) + { + if (IsHTTPCommand(Buffer->Data, "GET")) + { + if (IsHTTPCommand(Buffer->Data, "GET / ")) + { + PageBlock = 0; + + /* Copy the HTTP 200 response header into the packet buffer */ + strcpy_P(BufferDataStr, HTTP200Header); + + /* Send the buffer contents to the host */ + TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr)); + + /* Lock the buffer to Device->Host transmissions only while we send the page contents */ + TCP_APP_CAPTURE_BUFFER(Buffer); + } + else + { + /* Copy the HTTP 404 response header into the packet buffer */ + strcpy_P(BufferDataStr, HTTP404Header); + + /* Send the buffer contents to the host */ + TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr)); + + /* All data sent, close the connection */ + TCP_APP_CLOSECONNECTION(ConnectionState); + } + } + else if (IsHTTPCommand(Buffer->Data, "HEAD")) + { + if (IsHTTPCommand(Buffer->Data, "HEAD / ")) + { + /* Copy the HTTP response header into the packet buffer */ + strcpy_P(BufferDataStr, HTTP200Header); + + /* Send the buffer contents to the host */ + TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr)); + } + else + { + /* Copy the HTTP response header into the packet buffer */ + strcpy_P(BufferDataStr, HTTP404Header); + + /* Send the buffer contents to the host */ + TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr)); + } + + /* All data sent, close the connection */ + TCP_APP_CLOSECONNECTION(ConnectionState); + } + else if (IsHTTPCommand(Buffer->Data, "TRACE")) + { + /* Echo the host's query back to the host */ + TCP_APP_SEND_BUFFER(Buffer, Buffer->Length); + + /* All data sent, close the connection */ + TCP_APP_CLOSECONNECTION(ConnectionState); + } + else + { + /* Unknown request, just clear the buffer (drop the packet) */ + TCP_APP_CLEAR_BUFFER(Buffer); + } + } + else if (TCP_APP_HAVE_CAPTURED_BUFFER(Buffer)) + { + uint16_t RemLength = strlen_P(&HTTPPage[PageBlock * HTTP_REPLY_BLOCK_SIZE]); + uint16_t Length; + + /* Determine the length of the loaded block */ + Length = ((RemLength > HTTP_REPLY_BLOCK_SIZE) ? HTTP_REPLY_BLOCK_SIZE : RemLength); + + /* Copy the next buffer sized block of the page to the packet buffer */ + strncpy_P(BufferDataStr, &HTTPPage[PageBlock * HTTP_REPLY_BLOCK_SIZE], Length); + + /* Send the buffer contents to the host */ + TCP_APP_SEND_BUFFER(Buffer, Length); + + /* Check to see if the entire page has been sent */ + if (PageBlock++ == (sizeof(HTTPPage) / HTTP_REPLY_BLOCK_SIZE)) + { + /* Unlock the buffer so that the host can fill it with future packets */ + TCP_APP_RELEASE_BUFFER(Buffer); + + /* Close the connection to the host */ + TCP_APP_CLOSECONNECTION(ConnectionState); + } + } +} |