source: mainline/uspace/app/tester/devmap/devmap1.c@ 8df2eab

/*
 * Copyright (c) 2007 Josef Cejka
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#include <stdio.h>
#include <unistd.h>
#include <ipc/ipc.h>
#include <ipc/services.h>
#include <async.h>
#include <errno.h>
#include <../../../srv/devmap/devmap.h>
#include "../tester.h"

static int driver_register(char *name)
{
        int retval;
        aid_t req;
        ipc_call_t answer;
        int phone;
        ipcarg_t callback_phonehash;

        phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP, DEVMAP_DRIVER);

        while (phone < 0) {
                usleep(100000);
                phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP, DEVMAP_DRIVER);
        }
        
        req = async_send_2(phone, DEVMAP_DRIVER_REGISTER, 0, 0, &answer);

        retval = ipc_data_send(phone, (char *)name, strlen(name)); 

        if (retval != EOK) {
                async_wait_for(req, NULL);
                return -1;
        }

        ipc_connect_to_me(phone, 0, 0, &callback_phonehash);

        async_wait_for(req, NULL);
        printf("Driver '%s' registered.\n", name);

        return phone;
}

static int device_register(int driver_phone, char *name, int *handle)
{
        ipcarg_t retval;
        aid_t req;
        ipc_call_t answer;

        req = async_send_2(driver_phone, DEVMAP_DEVICE_REGISTER, 0, 0, &answer);

        retval = ipc_data_send(driver_phone, (char *)name, strlen(name)); 

        if (retval != EOK) {
                printf("Failed to send device name '%s'.\n", name);
                async_wait_for(req, NULL);
                return retval;
        }

        async_wait_for(req, &retval);

        if (NULL != handle) {
                *handle = -1;
        }

        if (EOK == retval) {
                
                if (NULL != handle) {
                        *handle = (int) IPC_GET_ARG1(answer);
                }
                printf("Device registered with handle %u.\n", (int) IPC_GET_ARG1(answer));
        }

        return retval;
}

/** Test DevMap from the driver's point of view.
 *
 *
 */
char * test_devmap1(bool quiet)
{
        int driver_phone;
        int dev1_handle;
        int dev2_handle;
        int dev3_handle;

        /* Register new driver */
        driver_phone = driver_register("TestDriver");

        if (driver_phone < 0) {
                return "Error: Cannot register driver.\n";      
        }

        /* Register new device dev1*/
        if (EOK != device_register(driver_phone, "TestDevice1", &dev1_handle)) {
                ipc_hangup(driver_phone);
                return "Error: cannot register device.\n";
        }
        
        /* TODO: get handle for dev1*/

        /* TODO: get handle for dev2 (Should fail unless device is already 
         * registered by someone else) 
         */

        /* Register new device dev2*/
        if (EOK != device_register(driver_phone, "TestDevice2", &dev2_handle)) {
                ipc_hangup(driver_phone);
                return "Error: cannot register device dev2.\n";
        }


        /* Register again device dev1 */
        if (EOK == device_register(driver_phone, "TestDevice1", &dev3_handle)) {
                return "Error: dev1 registered twice.\n";
        }

        /* TODO: get handle for dev2 */

        /* TODO:  */

        ipc_hangup(driver_phone);

        return NULL;
}

char *test_devmap2(bool quiet)
{
        /*TODO: Full automatic test */
        return NULL;
}

char *test_devmap3(bool quiet)
{
        /* TODO: allow user to call test functions in random order */
        return NULL;
}