/* -*- 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) 2011 Ammonit Measurement GmbH * Copyright (C) 2011 Google Inc. * Author: Aleksander Morgado */ #include #include #include #include #include #include #include "ModemManager.h" #include "mm-modem-helpers.h" #include "mm-serial-parsers.h" #include "mm-log.h" #include "mm-errors-types.h" #include "mm-iface-modem.h" #include "mm-iface-modem-3gpp.h" #include "mm-iface-modem-messaging.h" #include "mm-base-modem-at.h" #include "mm-broadband-modem-cinterion.h" static void iface_modem_init (MMIfaceModem *iface); static void iface_modem_3gpp_init (MMIfaceModem3gpp *iface); G_DEFINE_TYPE_EXTENDED (MMBroadbandModemCinterion, mm_broadband_modem_cinterion, MM_TYPE_BROADBAND_MODEM, 0, G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM, iface_modem_init) G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM_3GPP, iface_modem_3gpp_init)); struct _MMBroadbandModemCinterionPrivate { /* Flag to know if we should try AT^SIND or not to get psinfo */ gboolean sind_psinfo; /* Command to go into sleep mode */ gchar *sleep_mode_cmd; /* Supported networks */ gboolean only_geran; gboolean only_utran; gboolean both_geran_utran; }; /*****************************************************************************/ /* Unsolicited events enabling */ static gboolean enable_unsolicited_events_finish (MMIfaceModem3gpp *self, GAsyncResult *res, GError **error) { return !!mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, error); } static void enable_unsolicited_events (MMIfaceModem3gpp *self, GAsyncReadyCallback callback, gpointer user_data) { mm_base_modem_at_command_in_port ( MM_BASE_MODEM (self), /* Only primary port is expected in the Cinterion modems */ mm_base_modem_get_port_primary (MM_BASE_MODEM (self)), /* AT=CMER=[[,[,[,[,]]]]] * but should be either not set, or equal to 0 or 2. * Enabled with 2. */ "+CMER=3,0,0,2", 3, FALSE, NULL, /* cancellable */ callback, user_data); } /*****************************************************************************/ /* MODEM POWER DOWN */ static gboolean modem_power_down_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error); } static void sleep_ready (MMBaseModem *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { GError *error = NULL; mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); /* Ignore errors */ if (error) { mm_dbg ("Couldn't send power down command: '%s'", error->message); g_error_free (error); } g_simple_async_result_set_op_res_gboolean (operation_result, TRUE); g_simple_async_result_complete_in_idle (operation_result); g_object_unref (operation_result); } static void send_sleep_mode_command (MMBroadbandModemCinterion *self, GSimpleAsyncResult *operation_result) { if (self->priv->sleep_mode_cmd && self->priv->sleep_mode_cmd[0]) { mm_base_modem_at_command (MM_BASE_MODEM (self), self->priv->sleep_mode_cmd, 5, FALSE, NULL, /* cancellable */ (GAsyncReadyCallback)sleep_ready, operation_result); return; } /* No default command; just finish without sending anything */ g_simple_async_result_set_op_res_gboolean (operation_result, TRUE); g_simple_async_result_complete_in_idle (operation_result); g_object_unref (operation_result); } static void supported_functionality_status_query_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { const gchar *response; GError *error = NULL; g_assert (self->priv->sleep_mode_cmd == NULL); response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (!response) { mm_warn ("Couldn't query supported functionality status: '%s'", error->message); g_error_free (error); self->priv->sleep_mode_cmd = g_strdup (""); } else { /* We need to get which power-off command to use to put the modem in low * power mode (with serial port open for AT commands, but with RF switched * off). According to the documentation of various Cinterion modems, some * support AT+CFUN=4 (HC25) and those which don't support it can use * AT+CFUN=7 (CYCLIC SLEEP mode with 2s timeout after last character * received in the serial port). * * So, just look for '4' in the reply; if not found, look for '7', and if * not found, report warning and don't use any. */ if (strstr (response, "4") != NULL) { mm_dbg ("Device supports CFUN=4 sleep mode"); self->priv->sleep_mode_cmd = g_strdup ("+CFUN=4"); } else if (strstr (response, "7") != NULL) { mm_dbg ("Device supports CFUN=7 sleep mode"); self->priv->sleep_mode_cmd = g_strdup ("+CFUN=7"); } else { mm_warn ("Unknown functionality mode to go into sleep mode"); self->priv->sleep_mode_cmd = g_strdup (""); } } send_sleep_mode_command (self, operation_result); } static void modem_power_down (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { MMBroadbandModemCinterion *cinterion = MM_BROADBAND_MODEM_CINTERION (self); GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, modem_power_down); /* If sleep command already decided, use it. */ if (cinterion->priv->sleep_mode_cmd) send_sleep_mode_command (MM_BROADBAND_MODEM_CINTERION (self), result); else mm_base_modem_at_command ( MM_BASE_MODEM (self), "+CFUN=?", 3, FALSE, NULL, /* cancellable */ (GAsyncReadyCallback)supported_functionality_status_query_ready, result); } /*****************************************************************************/ /* ACCESS TECHNOLOGIES */ static gboolean load_access_technologies_finish (MMIfaceModem *self, GAsyncResult *res, MMModemAccessTechnology *access_technologies, guint *mask, GError **error) { if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error)) return FALSE; *access_technologies = (MMModemAccessTechnology) GPOINTER_TO_UINT ( g_simple_async_result_get_op_res_gpointer ( G_SIMPLE_ASYNC_RESULT (res))); *mask = MM_MODEM_ACCESS_TECHNOLOGY_ANY; return TRUE; } static MMModemAccessTechnology get_access_technology_from_smong_gprs_status (const gchar *gprs_status, GError **error) { if (strlen (gprs_status) == 1) { switch (gprs_status[0]) { case '0': return MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN; case '1': case '2': return MM_MODEM_ACCESS_TECHNOLOGY_GPRS; case '3': case '4': return MM_MODEM_ACCESS_TECHNOLOGY_EDGE; default: break; } } g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS, "Couldn't get network capabilities, " "invalid GPRS status value: '%s'", gprs_status); return MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN; } static void smong_query_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { const gchar *response; GError *error = NULL; GMatchInfo *match_info = NULL; GRegex *regex; response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (!response) { /* Let the error be critical. */ g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); return; } /* The AT^SMONG command returns a cell info table, where the second * column identifies the "GPRS status", which is exactly what we want. * So we'll try to read that second number in the values row. * * AT^SMONG * GPRS Monitor * BCCH G PBCCH PAT MCC MNC NOM TA RAC # Cell # * 0776 1 - - 214 03 2 00 01 * OK */ regex = g_regex_new (".*GPRS Monitor\\r\\n" "BCCH\\s*G.*\\r\\n" "(\\d*)\\s*(\\d*)\\s*", 0, 0, NULL); if (g_regex_match_full (regex, response, strlen (response), 0, 0, &match_info, NULL)) { gchar *gprs_status; MMModemAccessTechnology act; gprs_status = g_match_info_fetch (match_info, 2); act = get_access_technology_from_smong_gprs_status (gprs_status, &error); g_free (gprs_status); if (error) g_simple_async_result_take_error (operation_result, error); else { /* We'll default to use SMONG then */ self->priv->sind_psinfo = FALSE; g_simple_async_result_set_op_res_gpointer (operation_result, GUINT_TO_POINTER (act), NULL); } } else { /* We'll reset here the flag to try to use SIND/psinfo the next time */ self->priv->sind_psinfo = TRUE; g_simple_async_result_set_error (operation_result, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS, "Couldn't get network capabilities, " "invalid SMONG reply: '%s'", response); } g_match_info_free (match_info); g_regex_unref (regex); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static MMModemAccessTechnology get_access_technology_from_psinfo (const gchar *psinfo, GError **error) { if (strlen (psinfo) == 1) { switch (psinfo[0]) { case '0': return MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN; case '1': case '2': return MM_MODEM_ACCESS_TECHNOLOGY_GPRS; case '3': case '4': return MM_MODEM_ACCESS_TECHNOLOGY_EDGE; case '5': case '6': return MM_MODEM_ACCESS_TECHNOLOGY_UMTS; case '7': case '8': return MM_MODEM_ACCESS_TECHNOLOGY_HSDPA; default: break; } } g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS, "Couldn't get network capabilities, " "invalid psinfo value: '%s'", psinfo); return MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN; } static void sind_query_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { const gchar *response; GError *error = NULL; GMatchInfo *match_info = NULL; GRegex *regex; response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (!response) { /* Let the error be critical. */ g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); return; } /* The AT^SIND? command replies a list of several different indicators. * We will only look for 'psinfo' which is the one which may tell us * the available network access technology. Note that only 3G-enabled * devices seem to have this indicator. * * AT+SIND? * ^SIND: battchg,1,1 * ^SIND: signal,1,99 * ... */ regex = g_regex_new ("\\r\\n\\^SIND:\\s*psinfo,\\s*(\\d*),\\s*(\\d*)", 0, 0, NULL); if (g_regex_match_full (regex, response, strlen (response), 0, 0, &match_info, NULL)) { MMModemAccessTechnology act; gchar *ind_value; ind_value = g_match_info_fetch (match_info, 2); act = get_access_technology_from_psinfo (ind_value, &error); g_free (ind_value); g_simple_async_result_set_op_res_gpointer (operation_result, GUINT_TO_POINTER (act), NULL); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } else { /* If there was no 'psinfo' indicator, we'll try AT^SMONG and read the cell * info table. */ mm_base_modem_at_command ( MM_BASE_MODEM (self), "^SMONG", 3, FALSE, NULL, /* cancellable */ (GAsyncReadyCallback)smong_query_ready, operation_result); } g_match_info_free (match_info); g_regex_unref (regex); } static void load_access_technologies (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { MMBroadbandModemCinterion *broadband = MM_BROADBAND_MODEM_CINTERION (self); GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, load_access_technologies); if (broadband->priv->sind_psinfo) { mm_base_modem_at_command ( MM_BASE_MODEM (self), "^SIND?", 3, FALSE, NULL, /* cancellable */ (GAsyncReadyCallback)sind_query_ready, result); return; } mm_base_modem_at_command ( MM_BASE_MODEM (self), "^SMONG", 3, FALSE, NULL, /* cancellable */ (GAsyncReadyCallback)smong_query_ready, result); } /*****************************************************************************/ /* SUPPORTED MODES */ static MMModemMode load_supported_modes_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error)) return MM_MODEM_MODE_NONE; return (MMModemMode) GPOINTER_TO_UINT (g_simple_async_result_get_op_res_gpointer ( G_SIMPLE_ASYNC_RESULT (res))); } static void supported_networks_query_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { const gchar *response; GError *error = NULL; MMModemMode mode; response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (!response) { /* Let the error be critical. */ g_simple_async_result_take_error (operation_result, error); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); return; } /* Note: Documentation says that AT+WS46=? is replied with '+WS46:' followed * by a list of supported network modes between parenthesis, but the EGS5 * used to test this didn't use the 'WS46:' prefix. Also, more than one * numeric ID may appear in the list, that's why they are checked * separately. */ mode = MM_MODEM_MODE_NONE; if (strstr (response, "12") != NULL) { mm_dbg ("Device allows 2G-only network mode"); self->priv->only_geran = TRUE; mode |= MM_MODEM_MODE_2G; } if (strstr (response, "22") != NULL) { mm_dbg ("Device allows 3G-only network mode"); self->priv->only_utran = TRUE; mode |= MM_MODEM_MODE_3G; } if (strstr (response, "25") != NULL) { mm_dbg ("Device allows 2G/3G network mode"); self->priv->both_geran_utran = TRUE; mode |= (MM_MODEM_MODE_2G | MM_MODEM_MODE_3G); } /* If no expected ID found, error */ if (mode == MM_MODEM_MODE_NONE) g_simple_async_result_set_error (operation_result, MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Invalid list of supported networks: '%s'", response); else g_simple_async_result_set_op_res_gpointer (operation_result, GUINT_TO_POINTER (mode), NULL); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static void load_supported_modes (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, load_supported_modes); mm_base_modem_at_command ( MM_BASE_MODEM (self), "+WS46=?", 3, FALSE, NULL, /* cancellable */ (GAsyncReadyCallback)supported_networks_query_ready, result); } /*****************************************************************************/ /* ALLOWED MODES */ static gboolean set_allowed_modes_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error); } static void allowed_access_technology_update_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { GError *error = NULL; mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error); if (error) /* Let the error be critical. */ g_simple_async_result_take_error (operation_result, error); else g_simple_async_result_set_op_res_gboolean (operation_result, TRUE); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static void set_allowed_modes (MMIfaceModem *self, MMModemMode allowed, MMModemMode preferred, GAsyncReadyCallback callback, gpointer user_data) { MMBroadbandModemCinterion *broadband = MM_BROADBAND_MODEM_CINTERION (self); GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, set_allowed_modes); /* For dual 2G/3G devices... */ if (broadband->priv->both_geran_utran) { GString *cmd; /* We will try to simulate the possible allowed modes here. The * Cinterion devices do not seem to allow setting preferred access * technology in 3G devices, but they allow restricting to a given * one: * - 2G-only is forced by forcing GERAN RAT (AcT=0) * - 3G-only is forced by forcing UTRAN RAT (AcT=2) * - for the remaining ones, we default to automatic selection of RAT, * which is based on the quality of the connection. */ cmd = g_string_new ("+COPS=,,,"); if (allowed == MM_MODEM_MODE_3G && preferred == MM_MODEM_MODE_NONE) { g_string_append (cmd, "2"); } else if (allowed == MM_MODEM_MODE_2G && preferred == MM_MODEM_MODE_NONE) { g_string_append (cmd, "0"); } else { gchar *allowed_str; gchar *preferred_str; /* no AcT given, defaults to Auto */ allowed_str = mm_modem_mode_build_string_from_mask (allowed); preferred_str = mm_modem_mode_build_string_from_mask (preferred); mm_warn ("Requested mode (allowed: '%s', preferred: '%s') not " "supported by the modem. Defaulting to automatic mode.", allowed_str, preferred_str); g_free (allowed_str); g_free (preferred_str); } mm_base_modem_at_command ( MM_BASE_MODEM (self), cmd->str, 3, FALSE, NULL, /* cancellable */ (GAsyncReadyCallback)allowed_access_technology_update_ready, result); g_string_free (cmd, TRUE); return; } /* For 3G-only devices, allow only 3G-related allowed modes. * For 2G-only devices, allow only 2G-related allowed modes. * * Note that the common logic of the interface already limits the * allowed/preferred modes that can be tried in these cases. */ if (broadband->priv->only_utran || broadband->priv->only_geran) { gchar *allowed_str; gchar *preferred_str; allowed_str = mm_modem_mode_build_string_from_mask (allowed); preferred_str = mm_modem_mode_build_string_from_mask (preferred); mm_dbg ("Not doing anything. Assuming requested mode " "(allowed: '%s', preferred: '%s') is supported by " "%s-only modem.", allowed_str, preferred_str, broadband->priv->only_utran ? "3G" : "2G"); g_free (allowed_str); g_free (preferred_str); g_simple_async_result_set_op_res_gboolean (result, TRUE); g_simple_async_result_complete_in_idle (result); g_object_unref (result); return; } g_assert_not_reached (); } /*****************************************************************************/ /* SUPPORTED BANDS */ static GArray * load_supported_bands_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { /* Never fails */ return (GArray *) g_array_ref (g_simple_async_result_get_op_res_gpointer ( G_SIMPLE_ASYNC_RESULT (res))); } static void load_supported_bands (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *result; MMBroadbandModemCinterion *broadband = MM_BROADBAND_MODEM_CINTERION (self); GArray *bands; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, load_supported_bands); /* We do assume that we already know if the modem is 2G-only, 3G-only or * 2G+3G. This is checked quite before trying to load supported bands. */ bands = g_array_sized_new (FALSE, FALSE, sizeof (MMModemBand), 4); g_array_index (bands, MMModemBand, 0) = MM_MODEM_BAND_EGSM; g_array_index (bands, MMModemBand, 1) = MM_MODEM_BAND_DCS; g_array_index (bands, MMModemBand, 2) = MM_MODEM_BAND_PCS; g_array_index (bands, MMModemBand, 3) = MM_MODEM_BAND_G850; /* Add 3G-specific bands */ if (broadband->priv->only_utran || broadband->priv->both_geran_utran) { g_array_set_size (bands, 7); g_array_index (bands, MMModemBand, 4) = MM_MODEM_BAND_U2100; g_array_index (bands, MMModemBand, 5) = MM_MODEM_BAND_U1900; g_array_index (bands, MMModemBand, 6) = MM_MODEM_BAND_U850; } g_simple_async_result_set_op_res_gpointer (result, bands, (GDestroyNotify)g_array_unref); g_simple_async_result_complete_in_idle (result); g_object_unref (result); } /*****************************************************************************/ /* FLOW CONTROL */ static gboolean setup_flow_control_finish (MMIfaceModem *self, GAsyncResult *res, GError **error) { return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error); } static void setup_flow_control_ready (MMBroadbandModemCinterion *self, GAsyncResult *res, GSimpleAsyncResult *operation_result) { GError *error = NULL; if (!mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error)) /* Let the error be critical. We DO need RTS/CTS in order to have * proper modem disabling. */ g_simple_async_result_take_error (operation_result, error); else g_simple_async_result_set_op_res_gboolean (operation_result, TRUE); g_simple_async_result_complete (operation_result); g_object_unref (operation_result); } static void setup_flow_control (MMIfaceModem *self, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *result; result = g_simple_async_result_new (G_OBJECT (self), callback, user_data, setup_flow_control); /* We need to enable RTS/CTS so that CYCLIC SLEEP mode works */ mm_base_modem_at_command (MM_BASE_MODEM (self), "\\Q3", 3, FALSE, NULL, /* cancellable */ (GAsyncReadyCallback)setup_flow_control_ready, result); } /*****************************************************************************/ MMBroadbandModemCinterion * mm_broadband_modem_cinterion_new (const gchar *device, const gchar *driver, const gchar *plugin, guint16 vendor_id, guint16 product_id) { return g_object_new (MM_TYPE_BROADBAND_MODEM_CINTERION, MM_BASE_MODEM_DEVICE, device, MM_BASE_MODEM_DRIVER, driver, MM_BASE_MODEM_PLUGIN, plugin, MM_BASE_MODEM_VENDOR_ID, vendor_id, MM_BASE_MODEM_PRODUCT_ID, product_id, MM_IFACE_MODEM_MESSAGING_SMS_MEM3_STORAGE, MM_SMS_STORAGE_MT, NULL); } static void mm_broadband_modem_cinterion_init (MMBroadbandModemCinterion *self) { /* Initialize private data */ self->priv = G_TYPE_INSTANCE_GET_PRIVATE ((self), MM_TYPE_BROADBAND_MODEM_CINTERION, MMBroadbandModemCinterionPrivate); /* Set defaults */ self->priv->sind_psinfo = TRUE; /* Initially, always try to get psinfo */ } static void finalize (GObject *object) { MMBroadbandModemCinterion *self = MM_BROADBAND_MODEM_CINTERION (object); g_free (self->priv->sleep_mode_cmd); G_OBJECT_CLASS (mm_broadband_modem_cinterion_parent_class)->finalize (object); } static void iface_modem_init (MMIfaceModem *iface) { iface->load_supported_modes = load_supported_modes; iface->load_supported_modes_finish = load_supported_modes_finish; iface->set_allowed_modes = set_allowed_modes; iface->set_allowed_modes_finish = set_allowed_modes_finish; iface->load_supported_bands = load_supported_bands; iface->load_supported_bands_finish = load_supported_bands_finish; iface->load_access_technologies = load_access_technologies; iface->load_access_technologies_finish = load_access_technologies_finish; iface->setup_flow_control = setup_flow_control; iface->setup_flow_control_finish = setup_flow_control_finish; iface->modem_power_down = modem_power_down; iface->modem_power_down_finish = modem_power_down_finish; } static void iface_modem_3gpp_init (MMIfaceModem3gpp *iface) { iface->enable_unsolicited_events = enable_unsolicited_events; iface->enable_unsolicited_events_finish = enable_unsolicited_events_finish; } static void mm_broadband_modem_cinterion_class_init (MMBroadbandModemCinterionClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); g_type_class_add_private (object_class, sizeof (MMBroadbandModemCinterionPrivate)); /* Virtual methods */ object_class->finalize = finalize; }