mirror of git://git.sysmocom.de/ofono
623 lines
14 KiB
C
623 lines
14 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2013 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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#include <errno.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/socket.h>
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#include <glib.h>
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#include <gdbus.h>
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#include <gatchat.h>
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#define OFONO_API_SUBJECT_TO_CHANGE
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#include <ofono/modem.h>
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#include <ofono/dbus.h>
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#include <ofono/plugin.h>
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#include <ofono/log.h>
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#include <ofono/devinfo.h>
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#include <ofono/netreg.h>
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#include <ofono/voicecall.h>
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#include <ofono/call-volume.h>
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#include <ofono/handsfree.h>
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#include <drivers/hfpmodem/slc.h>
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#include "bluez5.h"
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#ifndef DBUS_TYPE_UNIX_FD
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#define DBUS_TYPE_UNIX_FD -1
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#endif
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#define HFP_EXT_PROFILE_PATH "/bluetooth/profile/hfp_hf"
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struct hfp {
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struct hfp_slc_info info;
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DBusMessage *msg;
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};
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static GHashTable *modem_hash = NULL;
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static GDBusClient *bluez = NULL;
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static guint sco_watch = 0;
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static void hfp_debug(const char *str, void *user_data)
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{
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const char *prefix = user_data;
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ofono_info("%s%s", prefix, str);
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}
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static void slc_established(gpointer userdata)
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{
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struct ofono_modem *modem = userdata;
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struct hfp *hfp = ofono_modem_get_data(modem);
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DBusMessage *msg;
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ofono_modem_set_powered(modem, TRUE);
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msg = dbus_message_new_method_return(hfp->msg);
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g_dbus_send_message(ofono_dbus_get_connection(), msg);
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dbus_message_unref(hfp->msg);
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hfp->msg = NULL;
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ofono_info("Service level connection established");
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}
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static void slc_failed(gpointer userdata)
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{
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struct ofono_modem *modem = userdata;
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struct hfp *hfp = ofono_modem_get_data(modem);
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struct hfp_slc_info *info = &hfp->info;
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DBusMessage *msg;
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msg = g_dbus_create_error(hfp->msg, BLUEZ_ERROR_INTERFACE
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".Failed",
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"HFP Handshake failed");
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g_dbus_send_message(ofono_dbus_get_connection(), msg);
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dbus_message_unref(hfp->msg);
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hfp->msg = NULL;
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ofono_error("Service level connection failed");
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ofono_modem_set_powered(modem, FALSE);
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g_at_chat_unref(info->chat);
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info->chat = NULL;
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}
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static void hfp_disconnected_cb(gpointer user_data)
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{
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struct ofono_modem *modem = user_data;
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struct hfp *hfp = ofono_modem_get_data(modem);
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struct hfp_slc_info *info = &hfp->info;
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DBG("HFP disconnected");
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ofono_modem_set_powered(modem, FALSE);
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g_at_chat_unref(info->chat);
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info->chat = NULL;
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}
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static int service_level_connection(struct ofono_modem *modem,
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int fd, guint16 version)
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{
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struct hfp *hfp = ofono_modem_get_data(modem);
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struct hfp_slc_info *info = &hfp->info;
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GIOChannel *io;
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GAtSyntax *syntax;
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GAtChat *chat;
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io = g_io_channel_unix_new(fd);
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syntax = g_at_syntax_new_gsm_permissive();
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chat = g_at_chat_new(io, syntax);
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g_at_syntax_unref(syntax);
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g_io_channel_set_close_on_unref(io, TRUE);
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g_io_channel_unref(io);
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if (chat == NULL)
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return -ENOMEM;
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g_at_chat_set_disconnect_function(chat, hfp_disconnected_cb, modem);
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if (getenv("OFONO_AT_DEBUG"))
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g_at_chat_set_debug(chat, hfp_debug, "");
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hfp_slc_info_init(info, version);
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info->chat = chat;
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hfp_slc_establish(info, slc_established, slc_failed, modem);
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return -EINPROGRESS;
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}
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static struct ofono_modem *modem_register(const char *device,
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const char *device_address, const char *alias)
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{
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struct ofono_modem *modem;
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char *path;
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modem = g_hash_table_lookup(modem_hash, device);
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if (modem != NULL)
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return modem;
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path = g_strconcat("hfp", device, NULL);
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modem = ofono_modem_create(path, "hfp");
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g_free(path);
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if (modem == NULL)
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return NULL;
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ofono_modem_set_string(modem, "Remote", device_address);
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ofono_modem_set_name(modem, alias);
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ofono_modem_register(modem);
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g_hash_table_insert(modem_hash, g_strdup(device), modem);
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return modem;
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}
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static int hfp_probe(struct ofono_modem *modem)
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{
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struct hfp *hfp;
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DBG("modem: %p", modem);
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hfp = g_new0(struct hfp, 1);
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ofono_modem_set_data(modem, hfp);
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return 0;
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}
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static void hfp_remove(struct ofono_modem *modem)
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{
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struct hfp *hfp = ofono_modem_get_data(modem);
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struct hfp_slc_info *info = &hfp->info;
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DBG("modem: %p", modem);
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if (hfp->msg)
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dbus_message_unref(hfp->msg);
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g_at_chat_unref(info->chat);
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g_free(hfp);
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ofono_modem_set_data(modem, NULL);
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}
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/* power up hardware */
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static int hfp_enable(struct ofono_modem *modem)
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{
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DBG("%p", modem);
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return 0;
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}
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static int hfp_disable(struct ofono_modem *modem)
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{
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DBG("%p", modem);
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return 0;
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}
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static void hfp_pre_sim(struct ofono_modem *modem)
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{
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struct hfp *hfp = ofono_modem_get_data(modem);
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char *address = (char *) ofono_modem_get_string(modem, "Remote");
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DBG("%p", modem);
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ofono_devinfo_create(modem, 0, "hfpmodem", address);
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ofono_voicecall_create(modem, 0, "hfpmodem", &hfp->info);
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ofono_netreg_create(modem, 0, "hfpmodem", &hfp->info);
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ofono_handsfree_create(modem, 0, "hfpmodem", &hfp->info);
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ofono_call_volume_create(modem, 0, "hfpmodem", &hfp->info);
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}
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static void hfp_post_sim(struct ofono_modem *modem)
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{
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DBG("%p", modem);
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}
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static struct ofono_modem_driver hfp_driver = {
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.name = "hfp",
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.modem_type = OFONO_MODEM_TYPE_HFP,
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.probe = hfp_probe,
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.remove = hfp_remove,
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.enable = hfp_enable,
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.disable = hfp_disable,
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.pre_sim = hfp_pre_sim,
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.post_sim = hfp_post_sim,
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};
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static DBusMessage *profile_new_connection(DBusConnection *conn,
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DBusMessage *msg, void *user_data)
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{
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struct hfp *hfp;
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struct ofono_modem *modem;
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DBusMessageIter entry;
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const char *device;
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int fd, err;
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DBG("Profile handler NewConnection");
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if (dbus_message_iter_init(msg, &entry) == FALSE)
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goto invalid;
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if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_OBJECT_PATH)
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goto invalid;
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dbus_message_iter_get_basic(&entry, &device);
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dbus_message_iter_next(&entry);
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if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_UNIX_FD)
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goto invalid;
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dbus_message_iter_get_basic(&entry, &fd);
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if (fd < 0)
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goto invalid;
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modem = g_hash_table_lookup(modem_hash, device);
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if (modem == NULL) {
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close(fd);
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return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
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".Rejected",
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"Unknown Bluetooth device");
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}
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err = service_level_connection(modem, fd, HFP_VERSION_LATEST);
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if (err < 0 && err != -EINPROGRESS) {
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close(fd);
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return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
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".Rejected",
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"Not enough resources");
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}
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hfp = ofono_modem_get_data(modem);
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hfp->msg = dbus_message_ref(msg);
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return NULL;
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invalid:
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return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE ".Rejected",
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"Invalid arguments in method call");
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}
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static DBusMessage *profile_release(DBusConnection *conn,
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DBusMessage *msg, void *user_data)
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{
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DBG("Profile handler Release");
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return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
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".NotImplemented",
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"Implementation not provided");
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}
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static DBusMessage *profile_cancel(DBusConnection *conn,
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DBusMessage *msg, void *user_data)
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{
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DBG("Profile handler Cancel");
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return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
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".NotImplemented",
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"Implementation not provided");
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}
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static DBusMessage *profile_disconnection(DBusConnection *conn,
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DBusMessage *msg, void *user_data)
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{
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DBG("Profile handler RequestDisconnection");
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return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
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".NotImplemented",
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"Implementation not provided");
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}
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static const GDBusMethodTable profile_methods[] = {
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{ GDBUS_ASYNC_METHOD("NewConnection",
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GDBUS_ARGS({ "device", "o"}, { "fd", "h"},
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{ "fd_properties", "a{sv}" }),
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NULL, profile_new_connection) },
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{ GDBUS_METHOD("Release", NULL, NULL, profile_release) },
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{ GDBUS_METHOD("Cancel", NULL, NULL, profile_cancel) },
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{ GDBUS_METHOD("RequestDisconnection",
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GDBUS_ARGS({"device", "o"}), NULL,
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profile_disconnection) },
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{ }
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};
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static gboolean sco_accept(GIOChannel *io, GIOCondition cond,
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gpointer user_data)
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{
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struct sockaddr_sco saddr;
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socklen_t alen;
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int sk, nsk;
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if (cond & (G_IO_ERR | G_IO_HUP | G_IO_NVAL))
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return FALSE;
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sk = g_io_channel_unix_get_fd(io);
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memset(&saddr, 0, sizeof(saddr));
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alen = sizeof(saddr);
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nsk = accept(sk, (struct sockaddr *) &saddr, &alen);
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if (nsk < 0)
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return TRUE;
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/* TODO: Verify if the device has a modem */
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return TRUE;
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}
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static int sco_init(void)
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{
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GIOChannel *sco_io;
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struct sockaddr_sco saddr;
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int sk, defer_setup = 1;
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sk = socket(PF_BLUETOOTH, SOCK_SEQPACKET | O_NONBLOCK | SOCK_CLOEXEC,
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BTPROTO_SCO);
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if (sk < 0)
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return -errno;
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/* Bind to local address */
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memset(&saddr, 0, sizeof(saddr));
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saddr.sco_family = AF_BLUETOOTH;
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bt_bacpy(&saddr.sco_bdaddr, BDADDR_ANY);
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if (bind(sk, (struct sockaddr *) &saddr, sizeof(saddr)) < 0) {
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close(sk);
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return -errno;
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}
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if (setsockopt(sk, SOL_BLUETOOTH, BT_DEFER_SETUP,
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&defer_setup, sizeof(defer_setup)) < 0)
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ofono_warn("Can't enable deferred setup: %s (%d)",
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strerror(errno), errno);
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if (listen(sk, 5) < 0) {
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close(sk);
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return -errno;
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}
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sco_io = g_io_channel_unix_new(sk);
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sco_watch = g_io_add_watch(sco_io,
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G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
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sco_accept, NULL);
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g_io_channel_unref(sco_io);
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return 0;
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}
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static void connect_handler(DBusConnection *conn, void *user_data)
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{
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DBG("Registering External Profile handler ...");
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bluetooth_register_profile(conn, HFP_HS_UUID, "hfp_hf",
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HFP_EXT_PROFILE_PATH);
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}
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static gboolean has_hfp_ag_uuid(DBusMessageIter *array)
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{
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DBusMessageIter value;
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if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
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return FALSE;
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dbus_message_iter_recurse(array, &value);
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while (dbus_message_iter_get_arg_type(&value) == DBUS_TYPE_STRING) {
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const char *uuid;
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dbus_message_iter_get_basic(&value, &uuid);
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if (g_str_equal(uuid, HFP_AG_UUID) == TRUE)
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return TRUE;
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dbus_message_iter_next(&value);
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}
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return FALSE;
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}
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static void modem_register_from_proxy(GDBusProxy *proxy, const char *path)
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{
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const char *alias, *remote;
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DBusMessageIter iter;
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dbus_bool_t paired;
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if (g_dbus_proxy_get_property(proxy, "Paired", &iter) == FALSE)
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return;
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dbus_message_iter_get_basic(&iter, &paired);
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if (paired == FALSE)
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return;
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if (g_dbus_proxy_get_property(proxy, "UUIDs", &iter) == FALSE)
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return;
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if (has_hfp_ag_uuid(&iter) == FALSE)
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return;
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if (g_dbus_proxy_get_property(proxy, "Alias", &iter) == FALSE)
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return;
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dbus_message_iter_get_basic(&iter, &alias);
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if (g_dbus_proxy_get_property(proxy, "Address", &iter) == FALSE)
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return;
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dbus_message_iter_get_basic(&iter, &remote);
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modem_register(path, remote, alias);
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}
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static void proxy_added(GDBusProxy *proxy, void *user_data)
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{
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const char *interface, *path;
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interface = g_dbus_proxy_get_interface(proxy);
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path = g_dbus_proxy_get_path(proxy);
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if (g_str_equal(BLUEZ_DEVICE_INTERFACE, interface) == FALSE)
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return;
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modem_register_from_proxy(proxy, path);
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}
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static void proxy_removed(GDBusProxy *proxy, void *user_data)
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{
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const char *interface, *path;
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struct ofono_modem *modem;
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interface = g_dbus_proxy_get_interface(proxy);
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path = g_dbus_proxy_get_path(proxy);
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if (g_str_equal(BLUEZ_DEVICE_INTERFACE, interface) == FALSE)
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return;
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modem = g_hash_table_lookup(modem_hash, path);
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if (modem == NULL)
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return;
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g_hash_table_remove(modem_hash, path);
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ofono_modem_remove(modem);
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}
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|
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static void property_changed(GDBusProxy *proxy, const char *name,
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DBusMessageIter *iter, void *user_data)
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{
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const char *interface, *path;
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struct ofono_modem *modem;
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interface = g_dbus_proxy_get_interface(proxy);
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path = g_dbus_proxy_get_path(proxy);
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if (g_str_equal(BLUEZ_DEVICE_INTERFACE, interface) == FALSE)
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return;
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|
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if (g_str_equal("Paired", name) == TRUE) {
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modem_register_from_proxy(proxy, path);
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return;
|
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}
|
|
|
|
if (g_str_equal("Alias", name) == TRUE) {
|
|
const char *alias;
|
|
|
|
dbus_message_iter_get_basic(iter, &alias);
|
|
|
|
modem = g_hash_table_lookup(modem_hash, path);
|
|
if (modem == NULL)
|
|
return;
|
|
|
|
DBG("path: %s Alias: %s", path, alias);
|
|
|
|
ofono_modem_set_name(modem, alias);
|
|
}
|
|
}
|
|
|
|
static int hfp_init(void)
|
|
{
|
|
DBusConnection *conn = ofono_dbus_get_connection();
|
|
int err;
|
|
|
|
if (DBUS_TYPE_UNIX_FD < 0)
|
|
return -EBADF;
|
|
|
|
err = sco_init();
|
|
if (err < 0) {
|
|
ofono_error("SCO: %s(%d)", strerror(-err), -err);
|
|
return err;
|
|
}
|
|
|
|
/* Registers External Profile handler */
|
|
if (!g_dbus_register_interface(conn, HFP_EXT_PROFILE_PATH,
|
|
BLUEZ_PROFILE_INTERFACE,
|
|
profile_methods, NULL,
|
|
NULL, NULL, NULL)) {
|
|
ofono_error("Register Profile interface failed: %s",
|
|
HFP_EXT_PROFILE_PATH);
|
|
return -EIO;
|
|
}
|
|
|
|
err = ofono_modem_driver_register(&hfp_driver);
|
|
if (err < 0) {
|
|
g_dbus_unregister_interface(conn, HFP_EXT_PROFILE_PATH,
|
|
BLUEZ_PROFILE_INTERFACE);
|
|
return err;
|
|
}
|
|
|
|
bluez = g_dbus_client_new(conn, BLUEZ_SERVICE, BLUEZ_MANAGER_PATH);
|
|
if (bluez == NULL) {
|
|
g_dbus_unregister_interface(conn, HFP_EXT_PROFILE_PATH,
|
|
BLUEZ_PROFILE_INTERFACE);
|
|
ofono_modem_driver_unregister(&hfp_driver);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
modem_hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
|
|
NULL);
|
|
|
|
g_dbus_client_set_connect_watch(bluez, connect_handler, NULL);
|
|
g_dbus_client_set_proxy_handlers(bluez, proxy_added, proxy_removed,
|
|
property_changed, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void hfp_exit(void)
|
|
{
|
|
DBusConnection *conn = ofono_dbus_get_connection();
|
|
|
|
bluetooth_unregister_profile(conn, HFP_EXT_PROFILE_PATH);
|
|
g_dbus_unregister_interface(conn, HFP_EXT_PROFILE_PATH,
|
|
BLUEZ_PROFILE_INTERFACE);
|
|
ofono_modem_driver_unregister(&hfp_driver);
|
|
g_dbus_client_unref(bluez);
|
|
|
|
g_hash_table_destroy(modem_hash);
|
|
|
|
if (sco_watch > 0)
|
|
g_source_remove(sco_watch);
|
|
}
|
|
|
|
OFONO_PLUGIN_DEFINE(hfp_bluez5, "External Hands-Free Profile Plugin", VERSION,
|
|
OFONO_PLUGIN_PRIORITY_DEFAULT, hfp_init, hfp_exit)
|