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Diffstat (limited to 'lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.c')
| -rw-r--r-- | lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.c deleted file mode 100644 index e0d9e36473..0000000000 --- a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.c +++ /dev/null @@ -1,203 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 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 disclaims 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 webpage 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. - */ -const 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. - */ -const 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. - */ -const 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.lufa-lib.org\">http://www.lufa-lib.org</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 \c true if the command matches the request, \c 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* const ConnectionState, - TCP_ConnectionBuffer_t* const 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 = MIN(RemLength, HTTP_REPLY_BLOCK_SIZE); - - /* 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); - } - } -} - |