mirror of git://git.sysmocom.de/ofono
326 lines
7.1 KiB
C
326 lines
7.1 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2010 Intel Corporation. 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 <ofono/log.h>
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#include <ofono/modem.h>
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#include <ofono/gprs.h>
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#include "gatchat.h"
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#include "gatresult.h"
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#include "atmodem.h"
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static const char *cgreg_prefix[] = { "+CGREG:", NULL };
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static const char *cgdcont_prefix[] = { "+CGDCONT:", NULL };
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static const char *none_prefix[] = { NULL };
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struct gprs_data {
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GAtChat *chat;
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};
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static void at_cgatt_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_gprs_cb_t cb = cbd->cb;
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struct ofono_error error;
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dump_response("cgatt_cb", ok, result);
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decode_at_error(&error, g_at_result_final_response(result));
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cb(&error, cbd->data);
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}
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static void at_gprs_set_attached(struct ofono_gprs *gprs, int attached,
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ofono_gprs_cb_t cb, void *data)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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struct cb_data *cbd = cb_data_new(cb, data);
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char buf[64];
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if (!cbd)
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goto error;
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sprintf(buf, "AT+CGATT=%i", attached ? 1 : 0);
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if (g_at_chat_send(gd->chat, buf, none_prefix,
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at_cgatt_cb, cbd, g_free) > 0)
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return;
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error:
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if (cbd)
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, data);
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}
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static void at_cgreg_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_gprs_status_cb_t cb = cbd->cb;
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struct ofono_error error;
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int status, lac, ci, tech;
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dump_response("at_cgreg_cb", ok, result);
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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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if (at_util_parse_reg(result, "+CGREG:", NULL, &status,
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&lac, &ci, &tech) == FALSE) {
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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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cb(&error, status, lac, ci, tech, cbd->data);
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}
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static void at_gprs_registration_status(struct ofono_gprs *gprs,
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ofono_gprs_status_cb_t cb,
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void *data)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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struct cb_data *cbd = cb_data_new(cb, data);
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if (!cbd)
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goto error;
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if (g_at_chat_send(gd->chat, "AT+CGREG?", cgreg_prefix,
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at_cgreg_cb, cbd, g_free) > 0)
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return;
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error:
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if (cbd)
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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 cgreg_notify(GAtResult *result, gpointer user_data)
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{
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struct ofono_gprs *gprs = user_data;
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int status, lac, ci, tech;
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dump_response("cgreg_notify", TRUE, result);
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if (at_util_parse_reg_unsolicited(result, "+CGREG:", &status,
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&lac, &ci, &tech) == FALSE)
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return;
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ofono_gprs_status_notify(gprs, status, lac, ci, tech);
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}
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static void cgev_notify(GAtResult *result, gpointer user_data)
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{
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struct ofono_gprs *gprs = user_data;
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GAtResultIter iter;
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const char *event;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CGEV:"))
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return;
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if (!g_at_result_iter_next_unquoted_string(&iter, &event))
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return;
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if (g_str_equal(event, "NW DETACH") ||
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g_str_equal(event, "ME DETACH")) {
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ofono_gprs_detached_notify(gprs);
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return;
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}
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}
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static void gprs_initialized(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct ofono_gprs *gprs = user_data;
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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g_at_chat_register(gd->chat, "+CGEV:", cgev_notify, FALSE, gprs, NULL);
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g_at_chat_register(gd->chat, "+CGREG:", cgreg_notify,
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FALSE, gprs, NULL);
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ofono_gprs_register(gprs);
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}
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static void at_cgreg_test_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct ofono_gprs *gprs = user_data;
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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gint range[2];
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GAtResultIter iter;
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int cgreg1 = 0;
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int cgreg2 = 0;
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const char *cmd;
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dump_response("cgreg_read_cb", ok, result);
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if (!ok)
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goto error;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CGREG:"))
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goto error;
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if (!g_at_result_iter_open_list(&iter))
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goto error;
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while (g_at_result_iter_next_range(&iter, &range[0], &range[1])) {
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if (1 >= range[0] && 1 <= range[1])
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cgreg1 = 1;
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if (2 >= range[0] && 2 <= range[1])
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cgreg2 = 1;
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}
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g_at_result_iter_close_list(&iter);
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if (cgreg2)
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cmd = "AT+CGREG=2";
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else if (cgreg1)
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cmd = "AT+CGREG=1";
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else
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goto error;
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g_at_chat_send(gd->chat, cmd, none_prefix, NULL, NULL, NULL);
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g_at_chat_send(gd->chat, "AT+CGAUTO=0", none_prefix, NULL, NULL, NULL);
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g_at_chat_send(gd->chat, "AT+CGEREP=2,1", none_prefix,
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gprs_initialized, gprs, NULL);
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return;
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error:
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ofono_info("GPRS not supported on this device");
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ofono_gprs_remove(gprs);
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}
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static void at_cgdcont_test_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct ofono_gprs *gprs = user_data;
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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GAtResultIter iter;
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int min, max;
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const char *pdp_type;
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gboolean found = FALSE;
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if (!ok)
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goto error;
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g_at_result_iter_init(&iter, result);
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while (!found && g_at_result_iter_next(&iter, "+CGDCONT:")) {
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gboolean in_list = FALSE;
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if (!g_at_result_iter_open_list(&iter))
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continue;
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if (g_at_result_iter_next_range(&iter, &min, &max) == FALSE)
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continue;
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if (!g_at_result_iter_close_list(&iter))
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continue;
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if (g_at_result_iter_open_list(&iter))
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in_list = TRUE;
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if (!g_at_result_iter_next_string(&iter, &pdp_type))
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continue;
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if (in_list && !g_at_result_iter_close_list(&iter))
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continue;
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/* We look for IP PDPs */
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if (g_str_equal(pdp_type, "IP"))
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found = TRUE;
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}
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if (found == FALSE)
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goto error;
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ofono_gprs_set_cid_range(gprs, min, max);
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g_at_chat_send(gd->chat, "AT+CGREG=?", cgreg_prefix,
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at_cgreg_test_cb, gprs, NULL);
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return;
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error:
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ofono_info("GPRS not supported on this device");
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ofono_gprs_remove(gprs);
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}
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static int at_gprs_probe(struct ofono_gprs *gprs,
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unsigned int vendor, void *data)
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{
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GAtChat *chat = data;
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struct gprs_data *gd;
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gd = g_new0(struct gprs_data, 1);
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gd->chat = chat;
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ofono_gprs_set_data(gprs, gd);
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g_at_chat_send(chat, "AT+CGDCONT=?", cgdcont_prefix,
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at_cgdcont_test_cb, gprs, NULL);
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return 0;
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}
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static void at_gprs_remove(struct ofono_gprs *gprs)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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ofono_gprs_set_data(gprs, NULL);
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g_free(gd);
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}
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static struct ofono_gprs_driver driver = {
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.name = "atmodem",
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.probe = at_gprs_probe,
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.remove = at_gprs_remove,
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.set_attached = at_gprs_set_attached,
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.registration_status = at_gprs_registration_status,
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};
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void at_gprs_init()
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{
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ofono_gprs_driver_register(&driver);
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}
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void at_gprs_exit()
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{
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ofono_gprs_driver_unregister(&driver);
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}
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