mirror of git://git.sysmocom.de/ofono
343 lines
7.4 KiB
C
343 lines
7.4 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2010-2011 Nokia Corporation and/or its subsidiary(-ies).
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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 <errno.h>
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#include <sys/stat.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/cdma-connman.h>
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#include "gatchat.h"
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#include "gatresult.h"
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#include "gatppp.h"
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#include "cdmamodem.h"
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#include "drivers/atmodem/vendor.h"
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#define TUN_DEV "/dev/net/tun"
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#define STATIC_IP_NETMASK "255.255.255.255"
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static const char *none_prefix[] = { NULL };
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enum state {
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STATE_IDLE,
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STATE_ENABLING,
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STATE_DISABLING,
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STATE_ACTIVE,
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};
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struct connman_data {
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GAtChat *chat;
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GAtPPP *ppp;
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unsigned int vendor;
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enum state state;
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char username[OFONO_CDMA_CONNMAN_MAX_USERNAME_LENGTH + 1];
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char password[OFONO_CDMA_CONNMAN_MAX_PASSWORD_LENGTH + 1];
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union {
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ofono_cdma_connman_cb_t down_cb; /* Down callback */
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ofono_cdma_connman_up_cb_t up_cb; /* Up callback */
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};
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void *cb_data; /* Callback data */
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};
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static void ppp_debug(const char *str, void *data)
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{
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ofono_info("%s: %s", (const char *) data, str);
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}
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static void ppp_connect(const char *interface, const char *local,
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const char *remote,
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const char *dns1, const char *dns2,
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gpointer user_data)
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{
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struct ofono_cdma_connman *cm = user_data;
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struct connman_data *cd = ofono_cdma_connman_get_data(cm);
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const char *dns[3];
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DBG("");
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dns[0] = dns1;
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dns[1] = dns2;
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dns[2] = 0;
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ofono_info("IP: %s", local);
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ofono_info("DNS: %s, %s", dns1, dns2);
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cd->state = STATE_ACTIVE;
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CALLBACK_WITH_SUCCESS(cd->up_cb, interface, TRUE, local,
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STATIC_IP_NETMASK, NULL,
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dns, cd->cb_data);
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}
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static void ppp_disconnect(GAtPPPDisconnectReason reason, gpointer user_data)
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{
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struct ofono_cdma_connman *cm = user_data;
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struct connman_data *cd = ofono_cdma_connman_get_data(cm);
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DBG("");
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g_at_ppp_unref(cd->ppp);
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cd->ppp = NULL;
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switch (cd->state) {
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case STATE_ENABLING:
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CALLBACK_WITH_FAILURE(cd->up_cb, NULL, FALSE, NULL,
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NULL, NULL, NULL, cd->cb_data);
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break;
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case STATE_DISABLING:
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CALLBACK_WITH_SUCCESS(cd->down_cb, cd->cb_data);
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break;
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default:
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ofono_cdma_connman_deactivated(cm);
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break;
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}
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cd->state = STATE_IDLE;
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g_at_chat_resume(cd->chat);
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}
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static gboolean setup_ppp(struct ofono_cdma_connman *cm)
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{
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struct connman_data *cd = ofono_cdma_connman_get_data(cm);
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GAtIO *io;
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DBG("");
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io = g_at_chat_get_io(cd->chat);
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g_at_chat_suspend(cd->chat);
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/* open ppp */
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cd->ppp = g_at_ppp_new();
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if (cd->ppp == NULL) {
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g_at_chat_resume(cd->chat);
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return FALSE;
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}
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if (getenv("OFONO_PPP_DEBUG"))
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g_at_ppp_set_debug(cd->ppp, ppp_debug, "PPP");
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/* set connect and disconnect callbacks */
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g_at_ppp_set_connect_function(cd->ppp, ppp_connect, cm);
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g_at_ppp_set_disconnect_function(cd->ppp, ppp_disconnect, cm);
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g_at_ppp_set_credentials(cd->ppp, cd->username, cd->password);
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/* open the ppp connection */
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g_at_ppp_open(cd->ppp, io);
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return TRUE;
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}
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static void atd_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct ofono_cdma_connman *cm = user_data;
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struct connman_data *cd = ofono_cdma_connman_get_data(cm);
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DBG("ok %d", ok);
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if (ok == FALSE) {
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struct ofono_error error;
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ofono_info("Unable to enter data state");
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cd->state = STATE_IDLE;
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decode_at_error(&error, g_at_result_final_response(result));
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cd->up_cb(&error, NULL, 0, NULL, NULL, NULL, NULL,
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cd->cb_data);
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return;
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}
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setup_ppp(cm);
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}
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static void cdma_connman_activate(struct ofono_cdma_connman *cm,
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const char *username,
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const char *password,
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ofono_cdma_connman_up_cb_t cb,
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void *data)
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{
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struct connman_data *cd = ofono_cdma_connman_get_data(cm);
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DBG("");
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cd->up_cb = cb;
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cd->cb_data = data;
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strcpy(cd->username, username);
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strcpy(cd->password, password);
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cd->state = STATE_ENABLING;
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if (g_at_chat_send(cd->chat, "ATD#777", none_prefix,
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atd_cb, cm, NULL) > 0)
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return;
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CALLBACK_WITH_FAILURE(cb, NULL, 0, NULL, NULL, NULL, NULL, data);
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}
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static void cdma_connman_deactivate(struct ofono_cdma_connman *cm,
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ofono_cdma_connman_cb_t cb,
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void *data)
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{
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struct connman_data *cd = ofono_cdma_connman_get_data(cm);
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DBG("");
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cd->state = STATE_DISABLING;
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cd->down_cb = cb;
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cd->cb_data = data;
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g_at_ppp_shutdown(cd->ppp);
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}
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static void huawei_dsdormant_notify(GAtResult *result, gpointer user_data)
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{
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struct ofono_cdma_connman *cm = user_data;
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int dormant;
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GAtResultIter iter;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "^DSDORMANT:"))
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return;
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if (!g_at_result_iter_next_number(&iter, &dormant))
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return;
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switch (dormant) {
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case 0:
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ofono_cdma_connman_dormant_notify(cm, FALSE);
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break;
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case 1:
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ofono_cdma_connman_dormant_notify(cm, TRUE);
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break;
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default:
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ofono_error("Invalid DSDORMANT value");
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break;
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}
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}
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static void at_c0_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct ofono_cdma_connman *cm = user_data;
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struct connman_data *cd = ofono_cdma_connman_get_data(cm);
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GAtChat *chat;
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DBG("ok %d", ok);
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if (ok == FALSE) {
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ofono_info("Unable to configure circuit 109");
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ofono_cdma_connman_remove(cm);
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return;
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}
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switch (cd->vendor) {
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case OFONO_VENDOR_HUAWEI:
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chat = g_at_chat_get_slave(cd->chat);
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g_at_chat_register(chat, "^DSDORMANT", huawei_dsdormant_notify,
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FALSE, cm, NULL);
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break;
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default:
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break;
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}
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ofono_cdma_connman_register(cm);
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}
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static int cdma_connman_probe(struct ofono_cdma_connman *cm,
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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 connman_data *cd;
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struct stat st;
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DBG("");
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if (stat(TUN_DEV, &st) < 0) {
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ofono_error("Missing support for TUN/TAP devices");
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return -ENODEV;
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}
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cd = g_try_new0(struct connman_data, 1);
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if (cd == NULL)
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return -ENOMEM;
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cd->chat = g_at_chat_clone(chat);
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cd->vendor = vendor;
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ofono_cdma_connman_set_data(cm, cd);
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/* Turn off any modem-initiated dormancy timeout */
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g_at_chat_send(cd->chat, "AT+CTA=0", none_prefix, NULL, NULL, NULL);
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g_at_chat_send(cd->chat, "AT&C0", none_prefix, at_c0_cb, cm, NULL);
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return 0;
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}
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static void cdma_connman_remove(struct ofono_cdma_connman *cm)
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{
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struct connman_data *cd = ofono_cdma_connman_get_data(cm);
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DBG("");
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if (cd->state != STATE_IDLE && cd->ppp) {
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g_at_ppp_unref(cd->ppp);
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g_at_chat_resume(cd->chat);
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}
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ofono_cdma_connman_set_data(cm, NULL);
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g_at_chat_unref(cd->chat);
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g_free(cd);
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}
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static struct ofono_cdma_connman_driver driver = {
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.name = "cdmamodem",
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.probe = cdma_connman_probe,
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.remove = cdma_connman_remove,
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.activate = cdma_connman_activate,
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.deactivate = cdma_connman_deactivate,
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};
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void cdma_connman_init(void)
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{
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ofono_cdma_connman_driver_register(&driver);
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}
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void cdma_connman_exit(void)
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{
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ofono_cdma_connman_driver_unregister(&driver);
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}
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