root/src/add-ons/kernel/network/ppp/modem/modem.cpp
/*
 * Copyright 2003-2004, Waldemar Kornewald <wkornew@gmx.net>
 * Distributed under the terms of the MIT License.
 */


#include <KernelExport.h>
#include <driver_settings.h>

#include <KPPPInterface.h>
#include <KPPPModule.h>

#include "ModemDevice.h"


#define MODEM_MODULE_NAME               NETWORK_MODULES_ROOT "ppp/modem"

net_stack_module_info *gStackModule = NULL;
net_buffer_module_info *gBufferModule = NULL;
status_t std_ops(int32 op, ...);


static bool
add_to(KPPPInterface& mainInterface, KPPPInterface *subInterface,
        driver_parameter *settings, ppp_module_key_type type)
{
        if (mainInterface.Mode() != PPP_CLIENT_MODE || type != PPP_DEVICE_KEY_TYPE)
                return B_ERROR;

        ModemDevice *device;
        bool success;
        if (subInterface) {
                device = new ModemDevice(*subInterface, settings);
                success = subInterface->SetDevice(device);
        } else {
                device = new ModemDevice(mainInterface, settings);
                success = mainInterface.SetDevice(device);
        }

        TRACE("Modem: add_to(): %s\n",
                success && device && device->InitCheck() == B_OK ? "OK" : "ERROR");

        return success && device && device->InitCheck() == B_OK;
}


static ppp_module_info modem_module = {
        {
                MODEM_MODULE_NAME,
                0,
                std_ops
        },
        NULL,
        add_to
};


_EXPORT
status_t
std_ops(int32 op, ...)
{
        switch (op) {
                case B_MODULE_INIT:
                        if (get_module(NET_STACK_MODULE_NAME,
                                        (module_info**)&gStackModule) != B_OK)
                                return B_ERROR;
                        if (get_module(NET_BUFFER_MODULE_NAME,
                                        (module_info **)&gBufferModule) != B_OK) {
                                put_module(NET_STACK_MODULE_NAME);
                                return B_ERROR;
                        }
                return B_OK;

                case B_MODULE_UNINIT:
                        put_module(NET_BUFFER_MODULE_NAME);
                        put_module(NET_STACK_MODULE_NAME);
                break;

                default:
                        return B_ERROR;
        }

        return B_OK;
}


_EXPORT
module_info *modules[] = {
        (module_info*) &modem_module,
        NULL
};