$Id$
Simple Webserver
/* * Copyright (C) 2009-2011 by egnite GmbH * Copyright (C) 2001-2004 by egnite Software GmbH * * 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 copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 * COPYRIGHT OWNER 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. * * For additional information see http://www.ethernut.de/ */ #include <dev/board.h> #include <dev/urom.h> #include <sys/version.h> #include <sys/timer.h> #include <sys/confnet.h> #include <sys/socket.h> #include <arpa/inet.h> #include <pro/dhcp.h> #include <pro/httpd.h> #include <io.h> #include <errno.h> int main(void) { uint32_t baud = 115200; TCPSOCKET *sock; FILE *stream; /* * Initialize the console. */ NutRegisterDevice(&DEV_CONSOLE, 0, 0); freopen(DEV_CONSOLE_NAME, "w", stdout); _ioctl(_fileno(stdout), UART_SETSPEED, &baud); printf("\n\nSimple HTTP Daemon running on Nut/OS %s\n", NutVersionString()); /* * Initialize the network interface. */ printf("Configure %s...", DEV_ETHER_NAME); if (NutRegisterDevice(&DEV_ETHER, 0, 0)) { puts("failed. Cannot register Ethernet device."); for (;;); } if (NutDhcpIfConfig(DEV_ETHER_NAME, NULL, 60000)) { puts("failed. Cannot configure network.\nUse editconf."); for (;;); } printf("%s ready\n", inet_ntoa(confnet.cdn_ip_addr)); /* * Initialize the file system. */ printf("Register UROM file system..."); if (NutRegisterDevice(&devUrom, 0, 0)) { puts("failed."); for (;;); } puts("OK."); /* * Now loop endless for connections. */ for (;;) { /* Create a socket. */ sock = NutTcpCreateSocket(); if (sock == NULL) { printf("Error %d creating socket.\n", errno); NutSleep(1000); continue; } /* Listen on port 80. NutTcpAccept() will block until we get a connection from a client. */ printf("Listening..."); NutTcpAccept(sock, 80); printf("Connected..."); /* Associate a binary stdio stream with the socket. */ stream = _fdopen((int) ((uintptr_t) sock), "r+b"); if (stream == NULL) { printf("Error %d creating stream.\n", errno); } else { /* This API call saves us a lot of work. It will parse the client's HTTP request, send the requested file. */ NutHttpProcessRequest(stream); /* Destroy the associated stream. */ fclose(stream); } /* Close the socket. */ NutTcpCloseSocket(sock); puts("Disconnected"); } return 0; }