Beispiel #1
0
static int io_accept (lua_State *L) {
  const char *port = luaL_checkstring(L, 1);
  const char *mode = luaL_optstring(L, 2, "r");
  FILE **pf = newfile(L);
  TCPSOCKET *sock;

  if ((sock = NutTcpCreateSocket()) != NULL) {
    if (NutTcpAccept(sock, (uint16_t)atoi(port)) == 0) {
      *pf = _fdopen((int) sock, mode);
    }
  }
  return (*pf == NULL) ? pushresult(L, 0, port) : 1;
}
Beispiel #2
0
void service(void)
{
    TCPSOCKET *sock;
    FILE *stream;

    /*
     * Loop endless for connections.
     */
    for (;;) {
        /*
         * Create a socket.
         */
        sock = NutTcpCreateSocket();

        /*
         * Listen at the configured port. If we return, we got a client.
         */
        NutTcpAccept(sock, MY_PORT);

        /*
         * Create a stream from the socket.
         */
        stream = _fdopen((int) sock, "r+b");

        /*
         * Process client requests.
         */
        ProcessRequests(stream);

        /*
         * Destroy our device.
         */
        fclose(stream);

        /*
         * Close our socket.
         */
        NutTcpCloseSocket(sock);
    }
}
Beispiel #3
0
/*
 * Main application routine. 
 *
 * Nut/OS automatically calls this entry after initialization.
 */
int main(void)
{
    TCPSOCKET *sock;
    CHANNEL cd;
    uint32_t baud = 9600;

    /*
     * Register our devices.
     */
    NutRegisterDevice(&DEV_UART, 0, 0);
#ifndef DEV_ETHER
    for (;;);
#else
    NutRegisterDevice(&DEV_ETHER, 0x8300, 5);

    /*
     * Setup the uart device.
     */
    cd.cd_rs232 = fopen(DEV_UART_NAME, "r+b");
    _ioctl(_fileno(cd.cd_rs232), UART_SETSPEED, &baud);

    /*
     * Setup the ethernet device. Try DHCP first. If this is
     * the first time boot with empty EEPROM and no DHCP server
     * was found, use hardcoded values.
     */
    if (NutDhcpIfConfig(DEV_ETHER_NAME, 0, 60000)) {
        /* No valid EEPROM contents, use hard coded MAC. */
        uint8_t my_mac[] = { 0x00, 0x06, 0x98, 0x20, 0x00, 0x00 };

        if (NutDhcpIfConfig("eth0", my_mac, 60000)) {
            /* No DHCP server found, use hard coded IP address. */
            uint32_t ip_addr = inet_addr("192.168.192.100");
            uint32_t ip_mask = inet_addr("255.255.255.0");

            NutNetIfConfig("eth0", my_mac, ip_addr, ip_mask);
            /* If not in a local network, we must also call 
               NutIpRouteAdd() to configure the routing. */
        }
    }

    /*
     * Start a RS232 receiver thread.
     */
    NutThreadCreate("xmit", Receiver, &cd, 512);

    /*
     * Now loop endless for connections.
     */
    cd.cd_connected = 0;
    for (;;) {
        /*
         * Create a socket and listen for a client.
         */
        sock = NutTcpCreateSocket();
        NutTcpAccept(sock, TCPPORT);

        /*
         * Open a stdio stream assigned to the connected socket.
         */
        cd.cd_tcpip = _fdopen((int) sock, "r+b");
        cd.cd_connected = 1;

        /*
         * Call RS232 transmit routine. On return we will be
         * disconnected again.
         */
        StreamCopy(cd.cd_tcpip, cd.cd_rs232, &cd.cd_connected);

        /*
         * Close the stream.
         */
        fclose(cd.cd_tcpip);

        /*
         * Close our socket.
         */
        NutTcpCloseSocket(sock);
    }
#endif
    return 0;
}
THREAD(bin_cmd_thread0, arg)
{
	uint8_t count = 0;
	TCPSOCKET * sock;
	char buff[256];
	uint32_t time = 15000;

	NutThreadSetPriority(TCP_BIN_SERVER_PRI);

	if(THISINFO)printf("CMD:Thraed running...\r\n");

	while(1) {
		//if(THISINFO)printf("Start Create Socket(%d)\r\n",count++);
		sock = NutTcpCreateSocket();
		if(sock == 0) {
			if(THISERROR)printf("CMD:Create socket failed!\r\n");
			continue;
		}
		NutTcpSetSockOpt(sock,SO_RCVTIMEO,&time,sizeof(uint32_t));
		if(THISINFO)printf("CMD: NutTcpAccept at port %d\r\n",gwork_port);
		if(NutTcpAccept(sock,gwork_port)) {
			NutTcpCloseSocket(sock);
			if(THISERROR)printf("CMD:NutTcpAccept Timeout! NutTcpCloseSocket and reaccept.\r\n");
			continue;
		}
		if(THISINFO)printf("CMD:Tcp Accept one connection.\r\n");
		count = 0;
		while(1) {
			int len = NutTcpReceive(sock,buff,sizeof(buff));
            if(len == 0) {
				if(THISINFO)printf("Tcp Recieve timeout.\r\n");
				if(++count == 1) {
					if(THISINFO)printf("Tcp Send Io Out Data.\r\n");
				    //NutTcpSend(sock,"OK",strlen("OK"));
					{
						//都继电器状态的模拟请求。
						uint8_t  buffer[sizeof(CmdHead)] = {0x01,0x00,0x00,0x00,0x00,0x00,0x00};
						CmdGetIoOutValue(sock,(CmdHead *)buffer,sizeof(buffer));
					}
				}
				if(++count >= 3) {
					if(THISINFO)printf("Close Command Socket\r\n");
					break;
				}
			} else if(len == -1) {
				int error = NutTcpError(sock);
				if(THISERROR)printf("CMD:Tcp Receive ERROR(%d)\r\n",error);
				if(error == ENOTCONN)  {
					if(THISERROR)printf("CMD:Socket is not connected,break connecting\r\n");
					break;
				} else {
					if(THISERROR)printf("CMD:Socket is unknow error,break connecting\r\n");
					break;
				}
			} else if(len > 0) {
				//printf("Get One Tcp packet length(%d)\r\n",len);
				BinCmdPrase(sock,buff,len);
			}
		}
		NutTcpCloseSocket(sock);
	}
}
Beispiel #5
0
/*! \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;
}
/*! \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;
    u_char id = (u_char) ((uptr_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_ATmega128__) || defined(__AVR_ATmega103__)
        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_ATmega128__) || defined(__AVR_ATmega103__)
        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) ((uptr_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);
    }
}