mirror of git://git.sysmocom.de/ofono
364 lines
8.4 KiB
C
364 lines
8.4 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
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* Copyright (C) 2009 ProFUSION embedded systems. All rights reserved.
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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 version 2 as
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* published by the Free Software Foundation.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <glib.h>
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#include <gatchat.h>
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#include <gatresult.h>
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#include <ofono/log.h>
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#include <ofono/modem.h>
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#include <ofono/netreg.h>
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#include "common.h"
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#include "hfpmodem.h"
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#include "slc.h"
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#define HFP_MAX_OPERATOR_NAME_LENGTH 16
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static const char *cops_prefix[] = { "+COPS:", NULL };
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static const char *cind_prefix[] = { "+CIND:", NULL };
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static const char *none_prefix[] = { NULL };
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struct netreg_data {
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GAtChat *chat;
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unsigned char cind_pos[HFP_INDICATOR_LAST];
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int cind_val[HFP_INDICATOR_LAST];
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guint register_source;
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};
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static void cops_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_netreg_operator_cb_t cb = cbd->cb;
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struct ofono_network_operator op;
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GAtResultIter iter;
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int format;
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const char *name;
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struct ofono_error error;
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decode_at_error(&error, g_at_result_final_response(result));
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if (!ok) {
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cb(&error, NULL, cbd->data);
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return;
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}
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+COPS:"))
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goto error;
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g_at_result_iter_skip_next(&iter);
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ok = g_at_result_iter_next_number(&iter, &format);
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if (ok == FALSE || format != 0)
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goto error;
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if (g_at_result_iter_next_string(&iter, &name) == FALSE)
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goto error;
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strncpy(op.name, name, HFP_MAX_OPERATOR_NAME_LENGTH);
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op.name[HFP_MAX_OPERATOR_NAME_LENGTH] = '\0';
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op.mcc[0] = '\0';
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op.mnc[0] = '\0';
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op.status = 2;
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op.tech = -1;
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cb(&error, &op, cbd->data);
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return;
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error:
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CALLBACK_WITH_FAILURE(cb, NULL, cbd->data);
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}
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static void ciev_notify(GAtResult *result, gpointer user_data)
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{
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struct ofono_netreg *netreg = user_data;
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struct netreg_data *nd = ofono_netreg_get_data(netreg);
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GAtResultIter iter;
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int index, value, status;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CIEV:"))
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return;
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if (!g_at_result_iter_next_number(&iter, &index))
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return;
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if (!g_at_result_iter_next_number(&iter, &value))
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return;
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if (index == nd->cind_pos[HFP_INDICATOR_SERVICE]) {
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nd->cind_val[HFP_INDICATOR_SERVICE] = value;
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if (value)
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status = NETWORK_REGISTRATION_STATUS_REGISTERED;
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else
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status = NETWORK_REGISTRATION_STATUS_NOT_REGISTERED;
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ofono_netreg_status_notify(netreg, status, -1, -1, -1);
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} else if (index == nd->cind_pos[HFP_INDICATOR_ROAM]) {
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nd->cind_val[HFP_INDICATOR_ROAM] = value;
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if (value)
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status = NETWORK_REGISTRATION_STATUS_ROAMING;
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else if (nd->cind_val[HFP_INDICATOR_SERVICE])
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status = NETWORK_REGISTRATION_STATUS_REGISTERED;
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else
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status = NETWORK_REGISTRATION_STATUS_NOT_REGISTERED;
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ofono_netreg_status_notify(netreg, status, -1, -1, -1);
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} else if (index == nd->cind_pos[HFP_INDICATOR_SIGNAL]) {
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nd->cind_val[HFP_INDICATOR_SIGNAL] = value;
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ofono_netreg_strength_notify(netreg, value * 20);
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}
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return;
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}
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static void signal_strength_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_netreg_strength_cb_t cb = cbd->cb;
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struct netreg_data *nd = ofono_netreg_get_data(cbd->user);
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GAtResultIter iter;
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int index, strength;
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struct ofono_error error;
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decode_at_error(&error, g_at_result_final_response(result));
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if (!ok) {
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cb(&error, -1, cbd->data);
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return;
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}
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CIND:")) {
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CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
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return;
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}
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index = 1;
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while (g_at_result_iter_next_number(&iter, &strength)) {
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if (index == nd->cind_pos[HFP_INDICATOR_SIGNAL]) {
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nd->cind_val[HFP_INDICATOR_SIGNAL] = strength;
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break;
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}
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index++;
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}
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DBG("signal_strength_cb: %d", strength);
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cb(&error, strength * 20, cbd->data);
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}
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static void registration_status_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_netreg_status_cb_t cb = cbd->cb;
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struct netreg_data *nd = ofono_netreg_get_data(cbd->user);
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GAtResultIter iter;
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int index, value, status;
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struct ofono_error error;
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decode_at_error(&error, g_at_result_final_response(result));
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if (!ok) {
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cb(&error, -1, -1, -1, -1, cbd->data);
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return;
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}
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CIND:")) {
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CALLBACK_WITH_FAILURE(cb, -1, -1, -1, -1, cbd->data);
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return;
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}
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index = 1;
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while (g_at_result_iter_next_number(&iter, &value)) {
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if (index == nd->cind_pos[HFP_INDICATOR_SERVICE])
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nd->cind_val[HFP_INDICATOR_SERVICE] = value;
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if (index == nd->cind_pos[HFP_INDICATOR_ROAM])
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nd->cind_val[HFP_INDICATOR_ROAM] = value;
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index++;
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}
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if (nd->cind_val[HFP_INDICATOR_SERVICE])
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status = NETWORK_REGISTRATION_STATUS_REGISTERED;
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else
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status = NETWORK_REGISTRATION_STATUS_NOT_REGISTERED;
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if (nd->cind_val[HFP_INDICATOR_ROAM])
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status = NETWORK_REGISTRATION_STATUS_ROAMING;
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cb(&error, status, -1, -1, -1, cbd->data);
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}
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static void hfp_registration_status(struct ofono_netreg *netreg,
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ofono_netreg_status_cb_t cb,
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void *data)
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{
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struct netreg_data *nd = ofono_netreg_get_data(netreg);
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struct cb_data *cbd = cb_data_new(cb, data);
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gboolean ok;
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cbd->user = netreg;
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ok = g_at_chat_send(nd->chat, "AT+CIND?", cind_prefix,
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registration_status_cb, cbd, g_free);
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if (ok)
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return;
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, -1, -1, -1, -1, data);
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}
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static void hfp_current_operator(struct ofono_netreg *netreg,
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ofono_netreg_operator_cb_t cb, void *data)
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{
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struct netreg_data *nd = ofono_netreg_get_data(netreg);
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struct cb_data *cbd = cb_data_new(cb, data);
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gboolean ok;
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cbd->user = netreg;
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ok = g_at_chat_send(nd->chat, "AT+COPS=3,0", none_prefix,
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NULL, cbd, NULL);
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if (ok)
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ok = g_at_chat_send(nd->chat, "AT+COPS?", cops_prefix,
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cops_cb, cbd, g_free);
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if (ok)
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return;
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, NULL, data);
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}
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static void hfp_signal_strength(struct ofono_netreg *netreg,
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ofono_netreg_strength_cb_t cb, void *data)
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{
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struct netreg_data *nd = ofono_netreg_get_data(netreg);
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struct cb_data *cbd = cb_data_new(cb, data);
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cbd->user = netreg;
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if (g_at_chat_send(nd->chat, "AT+CIND?", cind_prefix,
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signal_strength_cb, cbd, g_free) > 0)
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return;
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, -1, data);
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}
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static gboolean hfp_netreg_register(gpointer user_data)
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{
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struct ofono_netreg *netreg = user_data;
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struct netreg_data *nd = ofono_netreg_get_data(netreg);
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nd->register_source = 0;
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g_at_chat_register(nd->chat, "+CIEV:", ciev_notify, FALSE,
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netreg, NULL);
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ofono_netreg_register(netreg);
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return FALSE;
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}
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static int hfp_netreg_probe(struct ofono_netreg *netreg, unsigned int vendor,
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void *user_data)
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{
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struct hfp_slc_info *info = user_data;
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struct netreg_data *nd;
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nd = g_new0(struct netreg_data, 1);
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nd->chat = g_at_chat_clone(info->chat);
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memcpy(nd->cind_pos, info->cind_pos, HFP_INDICATOR_LAST);
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memcpy(nd->cind_val, info->cind_val, HFP_INDICATOR_LAST);
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ofono_netreg_set_data(netreg, nd);
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nd->register_source = g_idle_add(hfp_netreg_register, netreg);
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return 0;
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}
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static void hfp_netreg_remove(struct ofono_netreg *netreg)
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{
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struct netreg_data *nd = ofono_netreg_get_data(netreg);
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if (nd->register_source != 0)
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g_source_remove(nd->register_source);
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ofono_netreg_set_data(netreg, NULL);
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g_at_chat_unref(nd->chat);
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g_free(nd);
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}
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static const struct ofono_netreg_driver driver = {
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.name = "hfpmodem",
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.probe = hfp_netreg_probe,
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.remove = hfp_netreg_remove,
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.registration_status = hfp_registration_status,
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.current_operator = hfp_current_operator,
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.strength = hfp_signal_strength,
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};
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void hfp_netreg_init(void)
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{
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ofono_netreg_driver_register(&driver);
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}
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void hfp_netreg_exit(void)
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{
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ofono_netreg_driver_unregister(&driver);
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}
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