generic.c

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/*
 * Copyright (c) 2009 Lukas Mejdrech
 * 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 <generic.h>
#include <async.h>
#include <ipc/services.h>
#include <net/device.h>
#include <adt/measured_strings.h>
#include <net/packet.h>

int
generic_device_state_msg_remote(int phone, int message, device_id_t device_id,
    int state, services_t target)
{
        async_msg_3(phone, (sysarg_t) message, (sysarg_t) device_id,
            (sysarg_t) state, target);
        
        return EOK;
}

int
generic_device_req_remote(int phone, int message, device_id_t device_id,
    int arg2, services_t service)
{
        return (int) async_req_3_0(phone, (sysarg_t) message,
            (sysarg_t) device_id, (sysarg_t) arg2, (sysarg_t) service);
}

int
generic_get_addr_req(int phone, int message, device_id_t device_id,
    measured_string_t **address, uint8_t **data)
{
        aid_t message_id;
        sysarg_t result;
        int string;

        if (!address || !data)
                return EBADMEM;

        /* Request the address */
        message_id = async_send_1(phone, (sysarg_t) message,
            (sysarg_t) device_id, NULL);
        string = measured_strings_return(phone, address, data, 1);
        async_wait_for(message_id, &result);

        /* If not successful */
        if ((string == EOK) && (result != EOK)) {
                /* Clear the data */
                free(*address);
                free(*data);
        }
        
        return (int) result;
}

int
generic_packet_size_req_remote(int phone, int message, device_id_t device_id,
    packet_dimension_t *packet_dimension)
{
        if (!packet_dimension)
                return EBADMEM;
        
        sysarg_t addr_len;
        sysarg_t prefix;
        sysarg_t content;
        sysarg_t suffix;
        
        sysarg_t result = async_req_1_4(phone, (sysarg_t) message,
            (sysarg_t) device_id, &addr_len, &prefix, &content, &suffix);
        
        packet_dimension->prefix = (size_t) prefix;
        packet_dimension->content = (size_t) content;
        packet_dimension->suffix = (size_t) suffix;
        packet_dimension->addr_len = (size_t) addr_len;
        
        return (int) result;
}

int
generic_received_msg_remote(int phone, int message, device_id_t device_id,
    packet_id_t packet_id, services_t target, services_t error)
{
        if (error) {
                async_msg_4(phone, (sysarg_t) message, (sysarg_t) device_id,
                    (sysarg_t) packet_id, (sysarg_t) target, (sysarg_t) error);
        } else {
                async_msg_3(phone, (sysarg_t) message, (sysarg_t) device_id,
                    (sysarg_t) packet_id, (sysarg_t) target);
        }
        
        return EOK;
}

int
generic_send_msg_remote(int phone, int message, device_id_t device_id,
    packet_id_t packet_id, services_t sender, services_t error)
{
        if (error) {
                async_msg_4(phone, (sysarg_t) message, (sysarg_t) device_id,
                    (sysarg_t) packet_id, (sysarg_t) sender, (sysarg_t) error);
        } else {
                async_msg_3(phone, (sysarg_t) message, (sysarg_t) device_id,
                    (sysarg_t) packet_id, (sysarg_t) sender);
        }
        
        return EOK;
}

int
generic_translate_req(int phone, int message, device_id_t device_id,
    services_t service, measured_string_t *configuration, size_t count,
    measured_string_t **translation, uint8_t **data)
{
        aid_t message_id;
        sysarg_t result;
        int string;

        if (!configuration || (count == 0))
                return EINVAL;
        if (!translation || !data)
                return EBADMEM;

        /* Request the translation */
        message_id = async_send_3(phone, (sysarg_t) message,
            (sysarg_t) device_id, (sysarg_t) count, (sysarg_t) service, NULL);
        measured_strings_send(phone, configuration, count);
        string = measured_strings_return(phone, translation, data, count);
        async_wait_for(message_id, &result);

        /* If not successful */
        if ((string == EOK) && (result != EOK)) {
                /* Clear the data */
                free(*translation);
                free(*data);
        }

        return (int) result;
}

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