b6d628b3a1
It's pointless to have libmm-common around, just merge it into libmm-glib and make ModemManager depend on libmm-glib directly. At the end, the non-common stuff in libmm-glib is really minimal.
281 lines
8.3 KiB
C
281 lines
8.3 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details:
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*
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* Copyright (C) 2012 Google, Inc.
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*/
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#include <string.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include "mm-errors-types.h"
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#include "mm-common-helpers.h"
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#include "mm-location-3gpp.h"
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G_DEFINE_TYPE (MMLocation3gpp, mm_location_3gpp, G_TYPE_OBJECT);
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struct _MMLocation3gppPrivate {
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guint mobile_country_code;
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guint mobile_network_code;
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gulong location_area_code;
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gulong cell_id;
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};
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/*****************************************************************************/
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guint
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mm_location_3gpp_get_mobile_country_code (MMLocation3gpp *self)
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{
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g_return_val_if_fail (MM_IS_LOCATION_3GPP (self), 0);
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return self->priv->mobile_country_code;
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}
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guint
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mm_location_3gpp_get_mobile_network_code (MMLocation3gpp *self)
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{
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g_return_val_if_fail (MM_IS_LOCATION_3GPP (self), 0);
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return self->priv->mobile_network_code;
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}
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gulong
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mm_location_3gpp_get_location_area_code (MMLocation3gpp *self)
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{
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g_return_val_if_fail (MM_IS_LOCATION_3GPP (self), 0);
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return self->priv->location_area_code;
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}
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gulong
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mm_location_3gpp_get_cell_id (MMLocation3gpp *self)
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{
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g_return_val_if_fail (MM_IS_LOCATION_3GPP (self), 0);
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return self->priv->cell_id;
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}
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gboolean
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mm_location_3gpp_set_mobile_country_code (MMLocation3gpp *self,
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guint mobile_country_code)
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{
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g_return_val_if_fail (MM_IS_LOCATION_3GPP (self), FALSE);
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/* If no change in the location info, don't do anything */
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if (self->priv->mobile_country_code == mobile_country_code)
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return FALSE;
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self->priv->mobile_country_code = mobile_country_code;
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return TRUE;
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}
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gboolean
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mm_location_3gpp_set_mobile_network_code (MMLocation3gpp *self,
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guint mobile_network_code)
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{
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g_return_val_if_fail (MM_IS_LOCATION_3GPP (self), FALSE);
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/* If no change in the location info, don't do anything */
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if (self->priv->mobile_network_code == mobile_network_code)
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return FALSE;
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self->priv->mobile_network_code = mobile_network_code;
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return TRUE;
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}
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gboolean
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mm_location_3gpp_set_location_area_code (MMLocation3gpp *self,
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gulong location_area_code)
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{
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g_return_val_if_fail (MM_IS_LOCATION_3GPP (self), FALSE);
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/* If no change in the location info, don't do anything */
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if (self->priv->location_area_code == location_area_code)
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return FALSE;
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self->priv->location_area_code = location_area_code;
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return TRUE;
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}
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gboolean
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mm_location_3gpp_set_cell_id (MMLocation3gpp *self,
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gulong cell_id)
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{
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g_return_val_if_fail (MM_IS_LOCATION_3GPP (self), FALSE);
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/* If no change in the location info, don't do anything */
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if (self->priv->cell_id == cell_id)
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return FALSE;
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self->priv->cell_id = cell_id;
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return TRUE;
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}
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/*****************************************************************************/
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GVariant *
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mm_location_3gpp_get_string_variant (MMLocation3gpp *self)
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{
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GVariant *variant = NULL;
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g_return_val_if_fail (MM_IS_LOCATION_3GPP (self), NULL);
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if (self->priv->mobile_country_code &&
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self->priv->mobile_network_code &&
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self->priv->location_area_code &&
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self->priv->cell_id) {
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gchar *str;
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str = g_strdup_printf ("%u,%u,%lX,%lX",
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self->priv->mobile_country_code,
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self->priv->mobile_network_code,
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self->priv->location_area_code,
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self->priv->cell_id);
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variant = g_variant_new_string (str);
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g_free (str);
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}
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return variant;
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}
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/*****************************************************************************/
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static gboolean
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validate_string_length (const gchar *display,
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const gchar *str,
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guint max_length,
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GError **error)
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{
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/* Avoid empty strings */
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if (!str || !str[0]) {
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g_set_error (error,
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MM_CORE_ERROR,
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MM_CORE_ERROR_INVALID_ARGS,
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"Invalid %s: none given",
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display);
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return FALSE;
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}
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/* Check max length of the field */
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if (strlen (str) > max_length) {
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g_set_error (error,
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MM_CORE_ERROR,
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MM_CORE_ERROR_INVALID_ARGS,
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"Invalid %s: longer than the maximum expected (%u): '%s'",
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display,
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max_length,
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str);
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return FALSE;
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}
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return TRUE;
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}
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static gboolean
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validate_numeric_string_content (const gchar *display,
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const gchar *str,
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gboolean hex,
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GError **error)
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{
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guint i;
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for (i = 0; str[i]; i++) {
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if ((hex && !g_ascii_isxdigit (str[i])) ||
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(!hex && !g_ascii_isdigit (str[i]))) {
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g_set_error (error,
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MM_CORE_ERROR,
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MM_CORE_ERROR_INVALID_ARGS,
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"Invalid %s: unexpected char (%c): '%s'",
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display,
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str[i],
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str);
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return FALSE;
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}
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}
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return TRUE;
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}
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MMLocation3gpp *
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mm_location_3gpp_new_from_string_variant (GVariant *string,
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GError **error)
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{
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MMLocation3gpp *self = NULL;
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gchar **split;
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if (!g_variant_is_of_type (string, G_VARIANT_TYPE_STRING)) {
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g_set_error (error,
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MM_CORE_ERROR,
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MM_CORE_ERROR_INVALID_ARGS,
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"Cannot create 3GPP location from string: "
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"invalid variant type received");
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return NULL;
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}
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split = g_strsplit (g_variant_get_string (string, NULL), ",", -1);
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if (!split) {
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g_set_error (error,
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MM_CORE_ERROR,
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MM_CORE_ERROR_INVALID_ARGS,
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"Invalid 3GPP location string: '%s'",
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g_variant_get_string (string, NULL));
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return NULL;
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}
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/* Validate fields */
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if (validate_string_length ("MCC", split[0], 3, error) &&
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validate_numeric_string_content ("MCC", split[0], FALSE, error) &&
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validate_string_length ("MNC", split[1], 3, error) &&
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validate_numeric_string_content ("MNC", split[1], FALSE, error) &&
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validate_string_length ("Location area code", split[2], 4, error) &&
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validate_numeric_string_content ("Location area code", split[2], TRUE, error) &&
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validate_string_length ("Cell ID", split[3], 8, error) &&
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validate_numeric_string_content ("Cell ID", split[3], TRUE, error)) {
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/* Create new location object */
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self = mm_location_3gpp_new ();
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self->priv->mobile_country_code = strtol (split[0], NULL, 10);
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self->priv->mobile_network_code = strtol (split[1], NULL, 10);
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self->priv->location_area_code = strtol (split[2], NULL, 16);
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self->priv->cell_id = strtol (split[3], NULL, 16);
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}
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g_strfreev (split);
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return self;
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}
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/*****************************************************************************/
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MMLocation3gpp *
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mm_location_3gpp_new (void)
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{
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return (MM_LOCATION_3GPP (
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g_object_new (MM_TYPE_LOCATION_3GPP, NULL)));
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}
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static void
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mm_location_3gpp_init (MMLocation3gpp *self)
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE ((self),
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MM_TYPE_LOCATION_3GPP,
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MMLocation3gppPrivate);
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}
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static void
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mm_location_3gpp_class_init (MMLocation3gppClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (object_class, sizeof (MMLocation3gppPrivate));
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}
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