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//==========================================================================

//

//      socket.c

//

//      Simple test-case for the BSD socket API : echo on TCP port 7.

//

//==========================================================================

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// -------------------------------------------

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//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    Simon Kallweit

// Contributors:

// Date:         2009-05-14

// Purpose:

// Description:  Simple test-case for the BSD socket API : echo on TCP port 7.

//

//####DESCRIPTIONEND####

//

//==========================================================================

#include <cyg/hal/hal_arch.h>

#include <cyg/infra/diag.h>

#include <cyg/infra/testcase.h>

#include <pkgconf/net_lwip.h>

#include <lwip.h>

#include <lwip/sockets.h>

#ifdef CYGFUN_LWIP_MODE_SEQUENTIAL

#if LWIP_SOCKET

#if LWIP_TCP

#if LWIP_COMPAT_SOCKETS

#if LWIP_POSIX_SOCKETS_IO_NAMES

#define TCP_PORT 7

#define STACK_SIZE CYGNUM_HAL_STACK_SIZE_TYPICAL

static char main_stack[STACK_SIZE];

static cyg_thread main_thread;

static cyg_handle_t main_handle;

static char socket_stack[STACK_SIZE];

static char buf[400];

static void socket_thread_entry(void *arg)

{

    int sock, s;

    int len;

    struct sockaddr_in addr, rem;

    socklen_t addrlen;

    sock = socket(AF_INET, SOCK_STREAM, 0);

    addr.sin_family = AF_INET;

    addr.sin_port = htons(TCP_PORT);

    addr.sin_addr.s_addr = INADDR_ANY;

    bind(sock, (struct sockaddr *) &addr, sizeof(addr));

    listen(sock, 5);

    while (1) {

        addrlen = sizeof(rem);

        s = accept(sock, (struct sockaddr *) &rem, &addrlen);

        while ((len = read(s, buf, 400)) > 0)

            write(s, buf, len);

        close(s);

    }

}

void main_thread_entry(cyg_addrword_t p)

{

    cyg_lwip_sequential_init();

    cyg_lwip_thread_new("socket", socket_thread_entry, NULL,

                        socket_stack, STACK_SIZE, 7);

}

void socket_main(void)

{

    CYG_TEST_INIT();

    CYG_TEST_INFO("Testing sockets");

    diag_printf("This test will echo TCP packets on local port %d\n", TCP_PORT);

    // Create a main thread, so we can run the scheduler and have time 'pass'

    cyg_thread_create(

        10,                 // Priority - just a number

        main_thread_entry,  // Entry

        0,                  // Entry parameter

        "main",             // Name

        main_stack,         // Stack

        STACK_SIZE,         // Size

        &main_handle,       // Handle

        &main_thread        // Thread data structure

    );

    cyg_thread_resume(main_handle);

    cyg_scheduler_start();

    CYG_TEST_FAIL_FINISH("Not reached");

}

externC void cyg_start(void)

{

    socket_main();

}

#else // LWIP_POSIX_SOCKETS_IO_NAMES

#define N_A_MSG "POSIX socket function names disabled"

#endif

#else // LWIP_COMPAT_SOCKETS

#define N_A_MSG "Compatible socket support disabled"

#endif // LWIP_COMPAT_SOCKETS

#else // LWIP_TCP

#define N_A_MSG "TCP support disabled"

#endif // LWIP_TCP

#else // LWIP_SOCKET

#define N_A_MSG "Socket support disabled"

#endif // LWIP_SOCKET

#else // CYGFUN_LWIP_MODE_SEQUENTIAL

#define N_A_MSG "Not configured in 'Sequential' mode"

#endif // CYGFUN_LWIP_MODE_SEQUENTIAL

#ifdef N_A_MSG

externC void

cyg_start(void)

{

    CYG_TEST_INIT();

    CYG_TEST_NA(N_A_MSG);

}

#endif // N_A_MSG