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/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2013 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <glib.h>
#include <gdbus.h>
#define OFONO_API_SUBJECT_TO_CHANGE
#include <ofono/modem.h>
#include <ofono/dbus.h>
#include <ofono/plugin.h>
#include <ofono/log.h>
#include "bluez5.h"
#ifndef DBUS_TYPE_UNIX_FD
#define DBUS_TYPE_UNIX_FD -1
#endif
#define HFP_EXT_PROFILE_PATH "/bluetooth/profile/hfp_hf"
static GHashTable *modem_hash = NULL;
static GHashTable *devices_proxies = NULL;
static GDBusClient *bluez = NULL;
static struct ofono_modem *modem_register(const char *device,
const char *alias)
{
struct ofono_modem *modem;
char *path;
modem = g_hash_table_lookup(modem_hash, device);
if (modem != NULL)
return modem;
path = g_strconcat("hfp", device, NULL);
modem = ofono_modem_create(path, "hfp");
g_free(path);
if (modem == NULL)
return NULL;
ofono_modem_set_name(modem, alias);
ofono_modem_register(modem);
g_hash_table_insert(modem_hash, g_strdup(device), modem);
return modem;
}
static int hfp_probe(struct ofono_modem *modem)
{
DBG("modem: %p", modem);
return 0;
}
static void hfp_remove(struct ofono_modem *modem)
{
DBG("modem: %p", modem);
}
/* power up hardware */
static int hfp_enable(struct ofono_modem *modem)
{
DBG("%p", modem);
return 0;
}
static int hfp_disable(struct ofono_modem *modem)
{
DBG("%p", modem);
return 0;
}
static void hfp_pre_sim(struct ofono_modem *modem)
{
DBG("%p", modem);
}
static void hfp_post_sim(struct ofono_modem *modem)
{
DBG("%p", modem);
}
static struct ofono_modem_driver hfp_driver = {
.name = "hfp",
.modem_type = OFONO_MODEM_TYPE_HFP,
.probe = hfp_probe,
.remove = hfp_remove,
.enable = hfp_enable,
.disable = hfp_disable,
.pre_sim = hfp_pre_sim,
.post_sim = hfp_post_sim,
};
static DBusMessage *profile_new_connection(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
DBG("Profile handler NewConnection");
return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
".NotImplemented",
"Implementation not provided");
}
static DBusMessage *profile_release(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
DBG("Profile handler Release");
return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
".NotImplemented",
"Implementation not provided");
}
static DBusMessage *profile_cancel(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
DBG("Profile handler Cancel");
return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
".NotImplemented",
"Implementation not provided");
}
static DBusMessage *profile_disconnection(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
DBG("Profile handler RequestDisconnection");
return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
".NotImplemented",
"Implementation not provided");
}
static const GDBusMethodTable profile_methods[] = {
{ GDBUS_ASYNC_METHOD("NewConnection",
GDBUS_ARGS({ "device", "o"}, { "fd", "h"},
{ "fd_properties", "a{sv}" }),
NULL, profile_new_connection) },
{ GDBUS_METHOD("Release", NULL, NULL, profile_release) },
{ GDBUS_METHOD("Cancel", NULL, NULL, profile_cancel) },
{ GDBUS_METHOD("RequestDisconnection",
GDBUS_ARGS({"device", "o"}), NULL,
profile_disconnection) },
{ }
};
static void connect_handler(DBusConnection *conn, void *user_data)
{
DBG("Registering External Profile handler ...");
bluetooth_register_profile(conn, HFP_HS_UUID, "hfp_hf",
HFP_EXT_PROFILE_PATH);
}
static gboolean has_hfp_ag_uuid(DBusMessageIter *array)
{
DBusMessageIter value;
if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
return FALSE;
dbus_message_iter_recurse(array, &value);
while (dbus_message_iter_get_arg_type(&value) == DBUS_TYPE_STRING) {
const char *uuid;
dbus_message_iter_get_basic(&value, &uuid);
if (g_str_equal(uuid, HFP_AG_UUID) == TRUE)
return TRUE;
dbus_message_iter_next(&value);
}
return FALSE;
}
static void proxy_added(GDBusProxy *proxy, void *user_data)
{
const char *interface, *path, *alias;
DBusMessageIter iter;
interface = g_dbus_proxy_get_interface(proxy);
path = g_dbus_proxy_get_path(proxy);
if (g_str_equal(BLUEZ_DEVICE_INTERFACE, interface) == FALSE)
return;
g_hash_table_insert(devices_proxies, g_strdup(path),
g_dbus_proxy_ref(proxy));
DBG("Device proxy: %s(%p)", path, proxy);
if (g_dbus_proxy_get_property(proxy, "UUIDs", &iter) == FALSE)
return;
if (has_hfp_ag_uuid(&iter) == FALSE)
return;
if (g_dbus_proxy_get_property(proxy, "Alias", &iter) == FALSE)
return;
dbus_message_iter_get_basic(&iter, &alias);
modem_register(path, alias);
}
static void proxy_removed(GDBusProxy *proxy, void *user_data)
{
const char *interface, *path;
struct ofono_modem *modem;
interface = g_dbus_proxy_get_interface(proxy);
path = g_dbus_proxy_get_path(proxy);
if (g_str_equal(BLUEZ_DEVICE_INTERFACE, interface)) {
g_hash_table_remove(devices_proxies, path);
DBG("Device proxy: %s(%p)", path, proxy);
}
modem = g_hash_table_lookup(modem_hash, path);
if (modem == NULL)
return;
g_hash_table_remove(modem_hash, path);
ofono_modem_remove(modem);
}
static void property_changed(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter, void *user_data)
{
const char *interface, *path, *alias;
struct ofono_modem *modem;
DBusMessageIter alias_iter;
interface = g_dbus_proxy_get_interface(proxy);
path = g_dbus_proxy_get_path(proxy);
DBG("path: %s interface: %s", path, interface);
if (g_str_equal(BLUEZ_DEVICE_INTERFACE, interface) == FALSE)
return;
if (g_dbus_proxy_get_property(proxy, "Alias", &alias_iter) == FALSE)
return;
dbus_message_iter_get_basic(&alias_iter, &alias);
modem = g_hash_table_lookup(modem_hash, path);
if (modem == NULL)
return;
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;
/* 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);
devices_proxies = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, (GDestroyNotify) g_dbus_proxy_unref);
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);
g_hash_table_destroy(devices_proxies);
}
OFONO_PLUGIN_DEFINE(hfp_bluez5, "External Hands-Free Profile Plugin", VERSION,
OFONO_PLUGIN_PRIORITY_DEFAULT, hfp_init, hfp_exit)
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