int initNetworkDHCP(){ int retval; if (NutRegisterDevice(&DEV_ETHER, 0, 0)) { LogMsg_P(LOG_INFO, PSTR("Registering ethernet failed.")); retval = 1; } else if (NutDhcpIfConfig(DEV_ETHER_NAME, NULL, 0)) { uint8_t initial_mac[6] = MY_MAC; if (NutDhcpIfConfig(DEV_ETHER_NAME, initial_mac, 0)) { u_long initial_ip_addr = inet_addr(MY_IP); u_long initial_ip_mask = inet_addr(MY_MASK); NutNetIfConfig(DEV_ETHER_NAME, initial_mac, initial_ip_addr, initial_ip_mask); retval = 2; } } if (NutRegisterDiscovery(INADDR_BROADCAST, 0, DISF_INITAL_ANN)) { //printf("Discover Service failed"); LogMsg_P(LOG_INFO, PSTR("Discover Service failed")); retval = 3; } else { LogMsg_P(LOG_INFO, PSTR("Ethernet Startup Message: OK")); LogMsg_P(LOG_INFO, PSTR("IP = [%d],[%d],[%d],[%d]")); default_handler = NutRegisterDiscoveryCallback(MyHandler); retval = 4; } return retval; }
/*! \fn Service(void *arg) * \brief HTTP service thread. * * The endless loop in this thread waits for a client connect, * processes the HTTP request and disconnects. Nut/Net doesn't * support a server backlog. If one client has established a * connection, further connect attempts will be rejected. * Typically browsers open more than one connection in order * to load images concurrently. So we run this routine by * several threads. * */ THREAD(Service, arg) { TCPSOCKET *sock; FILE *stream; uint8_t id = (uint8_t) ((uintptr_t) arg); /* * Now loop endless for connections. */ for (;;) { /* * Create a socket. */ if ((sock = NutTcpCreateSocket()) == 0) { printf("[%u] Creating socket failed\n", id); NutSleep(5000); continue; } /* * Listen on port 80. This call will block until we get a connection * from a client. */ NutTcpAccept(sock, 80); #if defined(__AVR__) printf("[%u] Connected, %u bytes free\n", id, NutHeapAvailable()); #else printf("[%u] Connected, %lu bytes free\n", id, NutHeapAvailable()); #endif /* * Wait until at least 8 kByte of free RAM is available. This will * keep the client connected in low memory situations. */ #if defined(__AVR__) while (NutHeapAvailable() < 8192) { #else while (NutHeapAvailable() < 4096) { #endif printf("[%u] Low mem\n", id); NutSleep(1000); } /* * Associate a stream with the socket so we can use standard I/O calls. */ if ((stream = _fdopen((int) ((uintptr_t) sock), "r+b")) == 0) { printf("[%u] Creating stream device failed\n", id); } else { /* * This API call saves us a lot of work. It will parse the * client's HTTP request, send any requested file from the * registered file system or handle CGI requests by calling * our registered CGI routine. */ NutHttpProcessRequest(stream); /* * Destroy the virtual stream device. */ fclose(stream); } /* * Close our socket. */ NutTcpCloseSocket(sock); printf("[%u] Disconnected\n", id); } } #endif /* DEV_ETHER */ /*! * \brief Main application routine. * * Nut/OS automatically calls this entry after initialization. */ int main(void) { uint32_t baud = 115200; uint8_t i; /* * Initialize the uart device. */ NutRegisterDevice(&DEV_DEBUG, 0, 0); freopen(DEV_DEBUG_NAME, "w", stdout); _ioctl(_fileno(stdout), UART_SETSPEED, &baud); NutSleep(200); printf("\n\nNut/OS %s HTTP Daemon...", NutVersionString()); #ifdef DEV_ETHER #ifdef NUTDEBUG NutTraceTcp(stdout, 0); NutTraceOs(stdout, 0); NutTraceHeap(stdout, 0); NutTracePPP(stdout, 0); #endif /* * Register Ethernet controller. */ if (NutRegisterDevice(&DEV_ETHER, 0, 0)) { puts("Registering device failed"); } printf("Configure %s...", DEV_ETHER_NAME); if (NutNetLoadConfig(DEV_ETHER_NAME)) { uint8_t mac[] = MY_MAC; printf("initial boot..."); #ifdef USE_DHCP if (NutDhcpIfConfig(DEV_ETHER_NAME, mac, 60000)) #endif { uint32_t ip_addr = inet_addr(MY_IPADDR); uint32_t ip_mask = inet_addr(MY_IPMASK); uint32_t ip_gate = inet_addr(MY_IPGATE); printf("No DHCP..."); if (NutNetIfConfig(DEV_ETHER_NAME, mac, ip_addr, ip_mask) == 0) { /* Without DHCP we had to set the default gateway manually.*/ if(ip_gate) { printf("hard coded gate..."); NutIpRouteAdd(0, 0, ip_gate, &DEV_ETHER); } puts("OK"); } else { puts("failed"); } } } else { #ifdef USE_DHCP if (NutDhcpIfConfig(DEV_ETHER_NAME, 0, 60000)) { puts("failed"); } else { puts("OK"); } #else if (NutNetIfConfig(DEV_ETHER_NAME, 0, 0, confnet.cdn_ip_mask)) { puts("failed"); } else { puts("OK"); } #endif } printf("%s ready\n", inet_ntoa(confnet.cdn_ip_addr)); #ifdef USE_DISCOVERY NutRegisterDiscovery((uint32_t)-1, 0, DISF_INITAL_ANN); #endif /* * Register our device for the file system. */ NutRegisterDevice(&MY_FSDEV, 0, 0); #ifdef MY_BLKDEV /* Register block device. */ printf("Registering block device '" MY_BLKDEV_NAME "'..."); if (NutRegisterDevice(&MY_BLKDEV, 0, 0)) { puts("failed"); for (;;); } puts("OK"); /* Mount partition. */ printf("Mounting block device '" MY_BLKDEV_NAME ":1/" MY_FSDEV_NAME "'..."); if (_open(MY_BLKDEV_NAME ":1/" MY_FSDEV_NAME, _O_RDWR | _O_BINARY) == -1) { puts("failed"); for (;;); } puts("OK"); #endif #ifdef MY_HTTPROOT /* Register root path. */ printf("Registering HTTP root '" MY_HTTPROOT "'..."); if (NutRegisterHttpRoot(MY_HTTPROOT)) { puts("failed"); for (;;); } puts("OK"); #endif NutRegisterCgiBinPath("cgi-bin/;user/cgi-bin/;admin/cgi-bin/"); /* * Register our CGI sample. This will be called * by http://host/cgi-bin/test.cgi?anyparams */ NutRegisterCgi("test.cgi", ShowQuery); #if defined(USE_SSI) /* * Register a cgi included by the ssi demo. This will show how dynamic * content is included in a ssi page and how the request parameters for * a site are passed down to the included cgi. */ NutRegisterCgi("ssi-demo.cgi", SSIDemoCGI); #endif /* * Register some CGI samples, which display interesting * system informations. */ NutRegisterCgi("threads.cgi", ShowThreads); NutRegisterCgi("timers.cgi", ShowTimers); NutRegisterCgi("sockets.cgi", ShowSockets); /* * Finally a CGI example to process a form. */ NutRegisterCgi("form.cgi", ShowForm); /* * Protect the cgi-bin directory with * user and password. */ NutRegisterAuth("admin", "root:root"); NutRegisterAuth("user", "user:user"); /* * Register SSI and ASP handler */ #if defined(USE_SSI) NutRegisterSsi(); #endif #if defined(USE_ASP) NutRegisterAsp(); NutRegisterAspCallback(ASPCallback); #endif /* * Start four server threads. */ for (i = 1; i <= 4; i++) { char thname[] = "httpd0"; thname[5] = '0' + i; NutThreadCreate(thname, Service, (void *) (uintptr_t) i, (HTTPD_SERVICE_STACK * NUT_THREAD_STACK_MULT) + NUT_THREAD_STACK_ADD); } #endif /* DEV_ETHER */ /* * We could do something useful here, like serving a watchdog. */ NutThreadSetPriority(254); for (;;) { NutSleep(60000); } return 0; }