+++ /dev/null
-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, distribute, and sell this \r
- software and its documentation for any purpose is hereby granted\r
- without fee, provided that the above copyright notice appear in \r
- all copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting \r
- documentation, and that the name of the author not be used in \r
- advertising or publicity pertaining to distribution of the \r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * Simple HTTP Webserver Application. When connected to the uIP stack,\r
- * this will serve out files to HTTP clients.\r
- */\r
- \r
-#include "WebserverApp.h"\r
-\r
-/** HTTP server response header, for transmission before the page contents. This indicates to the host that a page exists at the\r
- * given location, and gives extra connection information.\r
- */\r
-char PROGMEM HTTP200Header[] = "HTTP/1.1 200 OK\r\n"\r
- "Server: LUFA RNDIS\r\n"\r
- "Content-type: text/html\r\n"\r
- "Connection: close\r\n\r\n";\r
-\r
-/** HTTP server response header, for transmission before a resource not found error. This indicates to the host that the given\r
- * given URL is invalid, and gives extra error information.\r
- */\r
-char PROGMEM HTTP404Header[] = "HTTP/1.1 404 Not Found\r\n"\r
- "Server: LUFA RNDIS\r\n"\r
- "Connection: close\r\n\r\n";\r
-\r
-/** Static HTTP page to serve to the host when a HTTP request is made from a host. */\r
-char PROGMEM HTTPPage[] = \r
- "<html>"\r
- " <head>"\r
- " <title>"\r
- " LUFA Webserver Demo"\r
- " </title>"\r
- " </head>"\r
- " <body>"\r
- " <h1>Hello from your USB AVR!</h1>"\r
- " <p>"\r
- " Hello! Welcome to the LUFA RNDIS Demo Webserver test page, running on your USB AVR via the LUFA library and uIP TCP/IP network stack. This"\r
- " demonstrates a simple HTTP webserver serving out pages to HTTP clients."\r
- " <br /><br />"\r
- " <small>Project Information: <a href=\"http://www.fourwalledcubicle.com/LUFA.php\">http://www.fourwalledcubicle.com/LUFA.php</a>.</small>"\r
- " <hr />"\r
- " <i>LUFA Version: </i>" LUFA_VERSION_STRING\r
- " </p>"\r
- " </body>"\r
- "</html>";\r
-\r
-/** Initialization function for the simple HTTP webserver. */\r
-void WebserverApp_Init(void)\r
-{\r
- /* Listen on port 80 for HTTP connections from hosts */\r
- uip_listen(HTONS(HTTP_SERVER_PORT));\r
-}\r
-\r
-/** uIP stack application callback for the simple HTTP webserver. This function must be called each time the\r
- * TCP/IP stack needs a TCP packet to be processed.\r
- */\r
-void WebserverApp_Callback(void)\r
-{\r
- uip_tcp_appstate_t* const AppState = &uip_conn->appstate;\r
- char* AppData = (char*)uip_appdata;\r
- uint16_t AppDataSize = 0;\r
-\r
- if (uip_closed() || uip_aborted() || uip_timedout())\r
- {\r
- /* Terminated or completed connection - don't send any new data */\r
- return;\r
- }\r
- else if (uip_connected())\r
- {\r
- /* New connection - initialize connection state and data pointer to the appropriate HTTP header */\r
- AppState->SendPos = HTTP200Header;\r
- AppState->CurrentState = WEBSERVER_STATE_SendHeaders;\r
- }\r
-\r
- /* Calculate the maximum segment size and remaining data size */\r
- uint16_t BytesRemaining = strlen_P(AppState->SendPos);\r
- uint16_t MaxSegSize = uip_mss();\r
-\r
- /* No more bytes remaining in the current data being sent - progress to next data chunk or\r
- * terminate the connection once all chunks are sent */\r
- if (!(BytesRemaining))\r
- {\r
- /* Check which data chunk we are currently sending (header or data) */\r
- if (AppState->CurrentState == WEBSERVER_STATE_SendHeaders)\r
- {\r
- AppState->SendPos = HTTPPage;\r
- AppState->CurrentState = WEBSERVER_STATE_SendData; \r
- }\r
- else if (AppState->CurrentState == WEBSERVER_STATE_SendData)\r
- {\r
- uip_close();\r
- AppState->CurrentState = WEBSERVER_STATE_Closed;\r
- }\r
- \r
- return;\r
- }\r
- else if (BytesRemaining > MaxSegSize)\r
- {\r
- /* More bytes remaining to send than the maximum segment size, send next chunk */\r
- AppDataSize = MaxSegSize;\r
- }\r
- else\r
- {\r
- /* Less bytes than the segment size remaining, send all remaining bytes in the one packet */\r
- AppDataSize = BytesRemaining;\r
- }\r
-\r
- /* Copy over the next data segment to the application buffer, advance send position pointer */\r
- strncpy_P(AppData, AppState->SendPos, AppDataSize);\r
- AppState->SendPos += AppDataSize;\r
-\r
- /* Send the data to the requesting host */\r
- uip_send(AppData, AppDataSize);\r
-}\r
projects / pub / lufa.git / blobdiff