[ Error report ] when we setting static IP in lwip_nic_init function .....

Fri Sep 7 11:56:11 CEST 2012

lwip_static_ip.diff file correct your problem.

On 09/07/2012 12:50 PM, ??? wrote:
>
> Dear Genode ..
>
>  
>
> I wanna setting the network card with static IP address in the
> Panda-Board environment.
>
> My Program is using lwip_nic_init() function of lwip library for
> network communication on the Panda-Board.
>
> We have been applied static IP address when we using the funtion.
>
> However it seems the function causes any problem in terms of network
> setting with usb_drv.
>
> ( It's only well done when we set loopback address to bind on server,
> with QEMU.
>
> It's put following message, when it's in other environment.
>
> "Could not connect!" )
>
> Following is Server and Client source code of the my test program.
>
> Could you please know why this program is failed on Panda_Board.
>
>  
>
> If I can't using static IP, i am to dynamic IP.
> How to connect to DHCP server when i using dhcp server with
> libc_lwip_nic_dhcp library.
>
> And, How to configure source code or run script file.
>
> Please take a look. Thank you.
>
>  
>
> < Server Code
> >-----------------------------------------------------------------------------------
>
> /* Genode includes */
> #include <base/printf.h>
> #include <base/thread.h>
> #include <util/string.h>
>
> /* LwIP includes */
> extern "C" {
> #include <lwip/sockets.h>
> #include <lwip/api.h>
> }
>
> #include <lwip/genode.h>
> #define SERVER_PORTNUM 10000
>
> const static char http_html_hdr[] =
> "HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n"; /* HTTP response
> header */
>
> const static char http_index_html[] =
> "<html><head><title>Congrats!</title></head><body><h1>Welcome to our
> lwIP HTTP server!</h1><p>This is a small test page.</body></html>"; /*
> HTML page */
>
>
> /**
> * Handle a single client's request.
> *
> * \param conn socket connected to the client
> */
> void http_server_serve(int conn) {
> char buf[1024];
> ssize_t buflen;
>
> /* Read the data from the port, blocking if nothing yet there.
> We assume the request (the part we care about) is in one packet */
> buflen = lwip_recv(conn, buf, 1024, 0);
>
> if( buflen > 0 )
> {
> PLOG("Packet received!");
> PDBG("MSG : %s \n", buf );
> }
>
> /* Ignore all receive errors */
> if (buflen > 0) {
>
> /* Is this an HTTP GET command? (only check the first 5 chars, since
> there are other formats for GET, and we're keeping it very simple)*/
> if (buflen >= 5 &&
> buf[0] == 'G' &&
> buf[1] == 'E' &&
> buf[2] == 'T' &&
> buf[3] == ' ' &&
> buf[4] == '/' ) {
>
> PLOG("Will send response");
>
> /* Send http header */
> lwip_send(conn, http_html_hdr, Genode::strlen(http_html_hdr), 0);
>
> /* Send our HTML page */
> lwip_send(conn, http_index_html, Genode::strlen(http_index_html), 0);
> }
> }
> }
>
>
> int main()
> {
> int s;
>
> lwip_tcpip_init();
>
> /* Initialize network stack and do DHCP */
> if (lwip_nic_init( inet_addr("10.89.8.1"), inet_addr("255.255.255.0"),
> inet_addr("10.89.8.1") )) {
> // if (lwip_nic_init(0, 0, 0 )) {
> PERR("We got no IP address!");
> return -1;
> }
>
> PLOG("Create new socket ...");
> if((s = lwip_socket(AF_INET, SOCK_STREAM, 0/*IPPROTO_TCP*/)) < 0) {
> PERR("No socket available!");
> return -1;
> }
>
> PLOG("Now, I will bind ...");
> struct sockaddr_in in_addr;
> in_addr.sin_family = AF_INET;
> in_addr.sin_port = htons( SERVER_PORTNUM );
> in_addr.sin_addr.s_addr = inet_addr("10.89.8.1");
> if(lwip_bind(s, (struct sockaddr*)&in_addr, sizeof(in_addr))) {
> PERR("bind failed!");
> return -1;
> }
>
> PLOG("Now, I will listen ...");
> if(lwip_listen(s, 5)) {
> PERR("listen failed!");
> return -1;
> }
>
> PLOG("Start the server loop ...");
>
> // Client cli;
> // cli.start();
>
> while(true) {
> PDBG(" loop is alived. --- \n");
> struct sockaddr addr;
> socklen_t len = sizeof(addr);
> int client = lwip_accept(s, &addr, &len);
> if(client < 0) {
> PWRN("Invalid socket from accept!");
> continue;
> }
> http_server_serve(client);
> PDBG(" yahoo~~! client communication success!!!^^ client= 0x%p \n",
> client);
> lwip_close(client);
> }
> return 0;
> }
>
> < Client Code
> >-----------------------------------------------------------------------------------
>
> /* Genode includes */
> #include <base/printf.h>
> #include <base/thread.h>
> #include <util/string.h>
>
> //#include <unistd.h>
> //#include <sys/types.h>
>
> extern "C" {
> #include <lwip/sockets.h>
> #include <lwip/api.h>
> }
>
> //#include <arpa/inet.h>
> //#include <netinet/in.h>
>
> #include <lwip/genode.h>
>
>
> static const char *http_get_request =
> "GET / HTTP/1.0\r\nHost: localhost:80\r\n\r\n"; /* simple HTTP request
> header */
>
>
> /**
> * The client thread simply loops endless,
> * and sends as much 'http get' requests as possible,
> * printing out the response.
> */
>
>
> int main()
> {
> lwip_tcpip_init();
>
> if( lwip_nic_init( inet_addr("10.89.8.2"), inet_addr("255.255.255.0"),
> inet_addr("10.89.8.1") ))
> //if( lwip_nic_init(0, 0, 0))
> {
> PERR("We got no IP address!");
> return 0;
> }
>
>
> while(true) {
>
> PDBG("Create new socket ...");
> int s = lwip_socket(AF_INET, SOCK_STREAM, 0 ); //IPPROTO_TCP);
> if (s < 0) {
> PERR("No socket available!");
> continue;
> }
>
> PDBG("Connect to server ...");
> struct sockaddr_in addr;
> addr.sin_port = htons(10000);
> addr.sin_family = AF_INET;
> addr.sin_addr.s_addr = inet_addr("10.89.8.1");
>
> if((lwip_connect(s, (struct sockaddr *)&addr, sizeof(addr))) < 0) {
> PERR("Could not connect!");
> lwip_close(s);
> continue;
> }
>
> PDBG("Send request...");
> unsigned long bytes = lwip_send(s, (char*)http_get_request,
> Genode::strlen(http_get_request), 0);
> if ( bytes < 0 ) {
> PERR("Couldn't send request ...");
> lwip_close(s);
> continue;
> }
>
> /* Receive http header and content independently in 2 packets */
> for(int i=0; i<2; i++) {
> char buf[1024];
> ssize_t buflen;
> buflen = lwip_recv(s, buf, 1024, 0);
> if(buflen > 0) {
> buf[buflen] = 0;
> PDBG("Packet received!");
> PDBG("Packet content:\n%s", buf);
> } else
> break;
> }
>
> /* Close socket */
> lwip_close(s);
> }
>
>
> PDBG("Modifyed test program ----\n");
> return 0;
> }
>
> < run script of Server >
> --------------------------------------------------------------------------
>
> if {[have_spec linux]} {
> puts "Run script does not support Linux."; exit 0 }
>
> #
> # Build
> #
>
> build {
> core init
> drivers/pci drivers/timer drivers/usb
> test/lwip/ESserver
> }
>
> create_boot_directory
>
> #
> # Generate config
> #
>
> set config {
> <config verbose="yes">
> <parent-provides>
> <service name="ROM"/>
> <service name="RAM"/>
> <service name="IRQ"/>
> <service name="IO_MEM"/>
> <service name="IO_PORT"/>
> <service name="CAP"/>
> <service name="PD"/>
> <service name="RM"/>
> <service name="CPU"/>
> <service name="LOG"/>
> <service name="SIGNAL"/>
> </parent-provides>
> <default-route>
> <any-service> <parent/> <any-child/> </any-service>
> </default-route>
> <start name="timer">
> <resource name="RAM" quantum="568K"/>
> <provides> <service name="Timer"/> </provides>
> </start>
> <start name="usb_drv">
> <resource name="RAM" quantum="20M"/>
> <provides>
> <service name="Nic"/>
> <service name="Input"/>
> </provides>
> <config>
> <nic mac="2e:60:90:0c:4e:01" />
> <hid/>
> </config>
> </start>
> <start name="lwip_ESserver">
> <resource name="RAM" quantum="2M"/>
> <route>
> <service name="Nic"> <child name="usb_drv"/> </service>
> <any-service> <parent/> <any-child/> </any-service>
> </route>
> </start> }
>
> append_if [have_spec pci] config {
> <start name="pci_drv">
> <resource name="RAM" quantum="1M"/>
> <provides> <service name="PCI"/> </provides>
> </start> }
>
> append config {
> </config>
> }
>
> install_config $config
>
> #
> # Boot modules
> #
>
> # generic modules
> set boot_modules {
> core init timer
> usb_drv
> ld.lib.so libc.lib.so libc_log.lib.so lwip.lib.so lwip_ESserver
> }
>
> # platform-specific modules
> lappend_if [have_spec pci] boot_modules pci_drv
>
> build_boot_image $boot_modules
>
> #
> # Execute test case
> #
>
> run_genode_until {.*\/ #.*} 3000
>
> < run script of Client >
> --------------------------------------------------------------------------
>
> if {[have_spec linux]} {
> puts "Run script does not support Linux."; exit 0 }
>
> #
> # Build
> #
>
> build {
> core init
> drivers/pci drivers/timer drivers/usb
> test/lwip/ESclient
> }
>
> create_boot_directory
>
> #
> # Generate config
> #
>
> set config {
> <config verbose="yes">
> <parent-provides>
> <service name="ROM"/>
> <service name="RAM"/>
> <service name="IRQ"/>
> <service name="IO_MEM"/>
> <service name="IO_PORT"/>
> <service name="CAP"/>
> <service name="PD"/>
> <service name="RM"/>
> <service name="CPU"/>
> <service name="LOG"/>
> <service name="SIGNAL"/>
> </parent-provides>
> <default-route>
> <any-service> <parent/> <any-child/> </any-service>
> </default-route>
> <start name="timer">
> <resource name="RAM" quantum="568K"/>
> <provides> <service name="Timer"/> </provides>
> </start>
> <start name="usb_drv">
> <resource name="RAM" quantum="20M"/>
> <provides>
> <service name="Nic"/>
> <service name="Input"/>
> </provides>
> <config>
> <nic mac="2e:60:90:0c:4e:02" />
> <hid/>
> </config>
> </start>
> <start name="lwip_ESclient">
> <resource name="RAM" quantum="2M"/>
> <route>
> <service name="Nic"> <child name="usb_drv"/> </service>
> <any-service> <parent/> <any-child/> </any-service>
> </route>
> </start> }
>
> append_if [have_spec pci] config {
> <start name="pci_drv">
> <resource name="RAM" quantum="1M"/>
> <provides> <service name="PCI"/> </provides>
> </start> }
>
> append config {
> </config>
> }
>
> install_config $config
>
> #
> # Boot modules
> #
>
> # generic modules
> set boot_modules {
> core init timer
> usb_drv
> ld.lib.so libc.lib.so libc_log.lib.so lwip.lib.so lwip_ESclient
> }
>
> # platform-specific modules
> lappend_if [have_spec pci] boot_modules pci_drv
>
> build_boot_image $boot_modules
>
> #
> # Execute test case
> #
>
> run_genode_until {.*\/ #.*} 3000
>
> Best regards,
>
> Eunseok Kim
>
>  
>
> *????*
>
> *EunSeok Kim / M. +82-10-9035-7096*
>
> *e-Mail. eunseok.kim at ...60... <mailto:eunseok.kim at ...60...>*
>
> Assistant Engineer
>
> NextGen. OS Lab in Software R&D Center
>
> *SAMSUNG ELECTRONICS CO., LTD.*
>
>  
>
>
>
> ------------------------------------------------------------------------------
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>
>
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