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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details:
*
* Copyright (C) 2008 - 2009 Novell, Inc.
* Copyright (C) 2009 Red Hat, Inc.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#define G_UDEV_API_IS_SUBJECT_TO_CHANGE
#include <gudev/gudev.h>
#include "mm-plugin-base.h"
G_DEFINE_TYPE (MMPluginBase, mm_plugin_base, G_TYPE_OBJECT)
#define MM_PLUGIN_BASE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MM_TYPE_PLUGIN_BASE, MMPluginBasePrivate))
typedef struct {
GHashTable *modems;
} MMPluginBasePrivate;
typedef struct {
char *key;
gpointer modem;
} FindInfo;
static void
find_modem (gpointer key, gpointer data, gpointer user_data)
{
FindInfo *info = user_data;
if (!info->key && data == info->modem)
info->key = g_strdup ((const char *) key);
}
static void
modem_destroyed (gpointer data, GObject *modem)
{
MMPluginBase *self = MM_PLUGIN_BASE (data);
MMPluginBasePrivate *priv = MM_PLUGIN_BASE_GET_PRIVATE (self);
FindInfo info = { NULL, modem };
g_hash_table_foreach (priv->modems, find_modem, &info);
if (info.key)
g_hash_table_remove (priv->modems, info.key);
g_free (info.key);
}
gboolean
mm_plugin_base_add_modem (MMPluginBase *self,
MMModem *modem)
{
MMPluginBasePrivate *priv;
const char *device;
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (MM_IS_PLUGIN_BASE (self), FALSE);
g_return_val_if_fail (modem != NULL, FALSE);
g_return_val_if_fail (MM_IS_MODEM (modem), FALSE);
priv = MM_PLUGIN_BASE_GET_PRIVATE (self);
device = mm_modem_get_device (modem);
if (g_hash_table_lookup (priv->modems, device))
return FALSE;
g_object_weak_ref (G_OBJECT (modem), modem_destroyed, self);
g_hash_table_insert (priv->modems, g_strdup (device), modem);
return TRUE;
}
MMModem *
mm_plugin_base_find_modem (MMPluginBase *self,
const char *master_device)
{
MMPluginBasePrivate *priv;
g_return_val_if_fail (self != NULL, NULL);
g_return_val_if_fail (MM_IS_PLUGIN_BASE (self), NULL);
g_return_val_if_fail (master_device != NULL, NULL);
g_return_val_if_fail (strlen (master_device) > 0, NULL);
priv = MM_PLUGIN_BASE_GET_PRIVATE (self);
return g_hash_table_lookup (priv->modems, master_device);
}
/* From hostap, Copyright (c) 2002-2005, Jouni Malinen <jkmaline@cc.hut.fi> */
static int hex2num (char c)
{
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
return -1;
}
static int hex2byte (const char *hex)
{
int a, b;
a = hex2num(*hex++);
if (a < 0)
return -1;
b = hex2num(*hex++);
if (b < 0)
return -1;
return (a << 4) | b;
}
/* End from hostap */
gboolean
mm_plugin_base_get_device_ids (MMPluginBase *self,
const char *subsys,
const char *name,
guint16 *vendor,
guint16 *product)
{
GUdevClient *client;
GUdevDevice *device = NULL;
const char *tmp[] = { subsys, NULL };
const char *vid, *pid;
gboolean success = FALSE;
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (MM_IS_PLUGIN_BASE (self), FALSE);
g_return_val_if_fail (subsys != NULL, FALSE);
g_return_val_if_fail (name != NULL, FALSE);
if (vendor)
g_return_val_if_fail (*vendor == 0, FALSE);
if (product)
g_return_val_if_fail (*product == 0, FALSE);
client = g_udev_client_new (tmp);
if (!client)
return FALSE;
device = g_udev_client_query_by_subsystem_and_name (client, subsys, name);
if (!device)
goto out;
vid = g_udev_device_get_property (device, "ID_VENDOR_ID");
if (!vid || (strlen (vid) != 4))
goto out;
if (vendor) {
*vendor = (guint16) (hex2byte (vid + 2) & 0xFF);
*vendor |= (guint16) ((hex2byte (vid) & 0xFF) << 8);
}
pid = g_udev_device_get_property (device, "ID_MODEL_ID");
if (!pid || (strlen (pid) != 4)) {
*vendor = 0;
goto out;
}
if (product) {
*product = (guint16) (hex2byte (pid + 2) & 0xFF);
*product |= (guint16) ((hex2byte (pid) & 0xFF) << 8);
}
success = TRUE;
out:
if (device)
g_object_unref (device);
g_object_unref (client);
return success;
}
/*****************************************************************************/
static void
mm_plugin_base_init (MMPluginBase *self)
{
MMPluginBasePrivate *priv = MM_PLUGIN_BASE_GET_PRIVATE (self);
priv->modems = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
}
static void
finalize (GObject *object)
{
MMPluginBasePrivate *priv = MM_PLUGIN_BASE_GET_PRIVATE (object);
g_hash_table_destroy (priv->modems);
G_OBJECT_CLASS (mm_plugin_base_parent_class)->finalize (object);
}
static void
mm_plugin_base_class_init (MMPluginBaseClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (object_class, sizeof (MMPluginBasePrivate));
/* Virtual methods */
object_class->finalize = finalize;
}
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