diff options
Diffstat (limited to 'audio/device.c')
| -rw-r--r-- | audio/device.c | 435 |
1 files changed, 435 insertions, 0 deletions
diff --git a/audio/device.c b/audio/device.c new file mode 100644 index 00000000..2f5f834f --- /dev/null +++ b/audio/device.c @@ -0,0 +1,435 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2006-2007 Nokia Corporation + * Copyright (C) 2004-2008 Marcel Holtmann <marcel@holtmann.org> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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 <stdio.h> +#include <errno.h> +#include <unistd.h> +#include <sys/stat.h> +#include <sys/param.h> +#include <netinet/in.h> + +#include <bluetooth/bluetooth.h> +#include <bluetooth/hci.h> +#include <bluetooth/hci_lib.h> +#include <bluetooth/sdp.h> +#include <bluetooth/sdp_lib.h> + +#include <glib.h> +#include <dbus/dbus.h> +#include <gdbus.h> + +#include "logging.h" +#include "textfile.h" + +#include "error.h" +#include "ipc.h" +#include "device.h" +#include "avdtp.h" +#include "control.h" +#include "headset.h" +#include "sink.h" + +static DBusMessage *device_get_address(DBusConnection *conn, + DBusMessage *msg, void *data) +{ + struct audio_device *device = data; + DBusMessage *reply; + char address[18], *ptr = address; + + reply = dbus_message_new_method_return(msg); + if (!reply) + return NULL; + + ba2str(&device->dst, address); + + dbus_message_append_args(reply, DBUS_TYPE_STRING, &ptr, + DBUS_TYPE_INVALID); + + return reply; +} + +static char *get_dev_name(DBusConnection *conn, const bdaddr_t *src, + const bdaddr_t *bda) +{ + char address[18], filename[PATH_MAX + 1]; + + ba2str(src, address); + + /* check if it is in the cache */ + create_name(filename, PATH_MAX, STORAGEDIR, address, "names"); + + ba2str(bda, address); + return textfile_caseget(filename, address); +} + +static DBusMessage *device_get_name(DBusConnection *conn, + DBusMessage *msg, void *data) +{ + struct audio_device *dev = data; + DBusMessage *reply; + const char *name = dev->name ? dev->name : ""; + + reply = dbus_message_new_method_return(msg); + if (!reply) + return NULL; + + dbus_message_append_args(reply, DBUS_TYPE_STRING, &name, + DBUS_TYPE_INVALID); + + return reply; +} + +static DBusMessage *device_get_adapter(DBusConnection *conn, + DBusMessage *msg, void *data) +{ + struct audio_device *device = data; + DBusMessage *reply; + char address[18], *ptr = address; + + reply = dbus_message_new_method_return(msg); + if (!reply) + return NULL; + + ba2str(&device->src, address); + + dbus_message_append_args(reply, DBUS_TYPE_STRING, &ptr, + DBUS_TYPE_INVALID); + + return reply; +} + + +static DBusMessage *device_get_connected(DBusConnection *conn, + DBusMessage *msg, void *data) +{ + DBusMessageIter iter, array_iter; + struct audio_device *device = data; + DBusMessage *reply; + const char *iface; + + reply = dbus_message_new_method_return(msg); + if (!reply) + return NULL; + + dbus_message_iter_init_append(reply, &iter); + + dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, + DBUS_TYPE_STRING_AS_STRING, + &array_iter); + + if (device->headset && + headset_get_state(device) >= HEADSET_STATE_CONNECTED) { + iface = AUDIO_HEADSET_INTERFACE; + dbus_message_iter_append_basic(&array_iter, + DBUS_TYPE_STRING, &iface); + } + + dbus_message_iter_close_container(&iter, &array_iter); + + return reply; +} + +static GDBusMethodTable device_methods[] = { + { "GetAddress", "", "s", device_get_address }, + { "GetName", "", "s", device_get_name }, + { "GetAdapter", "", "s", device_get_adapter }, + { "GetConnectedInterfaces", "", "as", device_get_connected }, + { } +}; + +static void device_free(struct audio_device *dev) +{ + if (dev->headset) + headset_free(dev); + + if (dev->sink) + sink_free(dev); + + if (dev->control) + control_free(dev); + + if (dev->conn) + dbus_connection_unref(dev->conn); + + g_free(dev->adapter_path); + g_free(dev->path); + g_free(dev->name); + + g_free(dev); +} + +static void device_unregister(void *data) +{ + struct audio_device *device = data; + + info("Unregistered device path:%s", device->path); + + device_free(device); +} + +struct audio_device *device_register(DBusConnection *conn, + const char *path, const bdaddr_t *bda) +{ + struct audio_device *dev; + bdaddr_t src; + int dev_id; + + if (!conn || !path) + return NULL; + + bacpy(&src, BDADDR_ANY); + dev_id = hci_get_route(&src); + if ((dev_id < 0) || (hci_devba(dev_id, &src) < 0)) + return NULL; + + dev = g_new0(struct audio_device, 1); + + /* FIXME just to maintain compatibility */ + dev->adapter_path = g_strdup_printf("/org/bluez/hci%d", dev_id); + if (!dev->adapter_path) { + device_free(dev); + return NULL; + } + + if (!g_dbus_register_interface(conn, path, + AUDIO_DEVICE_INTERFACE, + device_methods, NULL, NULL, + dev, device_unregister)) { + error("Failed to register %s interface to %s", + AUDIO_DEVICE_INTERFACE, path); + device_free(dev); + return NULL; + } + + dev->name = get_dev_name(conn, &src, bda); + dev->path = g_strdup(path); + bacpy(&dev->dst, bda); + bacpy(&dev->src, &src); + bacpy(&dev->store, &src); + dev->conn = dbus_connection_ref(conn); + + return dev; +} + +int device_store(struct audio_device *dev, gboolean is_default) +{ + char value[64]; + char filename[PATH_MAX + 1]; + char src_addr[18], dst_addr[18]; + int offset = 0; + + if (!dev->path) + return -EINVAL; + + ba2str(&dev->dst, dst_addr); + ba2str(&dev->store, src_addr); + + create_name(filename, PATH_MAX, STORAGEDIR, src_addr, "audio"); + create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); + + if (is_default) + textfile_put(filename, "default", dst_addr); + if (dev->headset) { + snprintf(value, 64, "headset "); + offset += strlen("headset "); + } + if (dev->gateway) { + snprintf(value + offset, 64 - offset, "gateway "); + offset += strlen("gateway "); + } + if (dev->sink) { + snprintf(value + offset, 64 - offset, "sink "); + offset += strlen("sink "); + } + if (dev->source) { + snprintf(value + offset, 64 - offset, "source "); + offset += strlen("source "); + } + if (dev->control) { + snprintf(value + offset, 64 - offset, "control "); + offset += strlen("control "); + } + if (dev->target) + snprintf(value + offset, 64 - offset, "target"); + + return textfile_put(filename, dst_addr, value); +} + +int device_remove_stored(struct audio_device *dev) +{ + char filename[PATH_MAX + 1]; + char src_addr[18], dst_addr[18]; + + ba2str(&dev->dst, dst_addr); + ba2str(&dev->store, src_addr); + + create_name(filename, PATH_MAX, STORAGEDIR, src_addr, "audio"); + + return textfile_del(filename, dst_addr); +} + +void device_finish_sdp_transaction(struct audio_device *dev) +{ + char address[18], *addr_ptr = address; + DBusMessage *msg; + + ba2str(&dev->dst, address); + + msg = dbus_message_new_method_call("org.bluez", dev->adapter_path, + "org.bluez.Adapter", + "FinishRemoteServiceTransaction"); + if (!msg) { + error("Unable to allocate new method call"); + return; + } + + dbus_message_append_args(msg, DBUS_TYPE_STRING, &addr_ptr, + DBUS_TYPE_INVALID); + + dbus_connection_send(dev->conn, msg, NULL); + + dbus_message_unref(msg); +} + +#if 0 +static avdtp_state_t ipc_to_avdtp_state(uint8_t ipc_state) +{ + switch (ipc_state) { + case STATE_DISCONNECTED: + return AVDTP_STATE_IDLE; + case STATE_CONNECTING: + return AVDTP_STATE_CONFIGURED; + case STATE_CONNECTED: + return AVDTP_STATE_OPEN; + case STATE_STREAM_STARTING: + case STATE_STREAMING: + return AVDTP_STATE_STREAMING; + default: + error("Unknown ipc state"); + return AVDTP_STATE_IDLE; + } +} + +static headset_state_t ipc_to_hs_state(uint8_t ipc_state) +{ + switch (ipc_state) { + case STATE_DISCONNECTED: + return HEADSET_STATE_DISCONNECTED; + case STATE_CONNECTING: + return HEADSET_STATE_CONNECT_IN_PROGRESS; + case STATE_CONNECTED: + return HEADSET_STATE_CONNECTED; + case STATE_STREAM_STARTING: + return HEADSET_STATE_PLAY_IN_PROGRESS; + case STATE_STREAMING: + return HEADSET_STATE_PLAYING; + default: + error("Unknown ipc state"); + return HEADSET_STATE_DISCONNECTED; + } +} + +static uint8_t avdtp_to_ipc_state(avdtp_state_t state) +{ + switch (state) { + case AVDTP_STATE_IDLE: + return STATE_DISCONNECTED; + case AVDTP_STATE_CONFIGURED: + return STATE_CONNECTING; + case AVDTP_STATE_OPEN: + return STATE_CONNECTED; + case AVDTP_STATE_STREAMING: + return STATE_STREAMING; + default: + error("Unknown avdt state"); + return AVDTP_STATE_IDLE; + } +} + +static uint8_t hs_to_ipc_state(headset_state_t state) +{ + switch (state) { + case HEADSET_STATE_DISCONNECTED: + return STATE_DISCONNECTED; + case HEADSET_STATE_CONNECT_IN_PROGRESS: + return STATE_CONNECTING; + case HEADSET_STATE_CONNECTED: + return STATE_CONNECTED; + case HEADSET_STATE_PLAY_IN_PROGRESS: + return STATE_STREAMING; + default: + error("Unknown headset state"); + return AVDTP_STATE_IDLE; + } +} + +uint8_t device_get_state(struct audio_device *dev) +{ + avdtp_state_t sink_state; + headset_state_t hs_state; + + if (dev->sink && sink_is_active(dev)) { + sink_state = sink_get_state(dev); + return avdtp_to_ipc_state(sink_state); + } + else if (dev->headset && headset_is_active(dev)) { + hs_state = headset_get_state(dev); + return hs_to_ipc_state(hs_state); + } + else if (dev->control && control_is_active(dev)) + return STATE_CONNECTED; + + return STATE_DISCONNECTED; +} +#endif + +gboolean device_is_connected(struct audio_device *dev, const char *interface) +{ + if (!interface) { + if ((dev->sink || dev->source) && + avdtp_is_connected(&dev->src, &dev->dst)) + return TRUE; + + if (dev->headset && headset_is_active(dev)) + return TRUE; + } + else if (!strcmp(interface, AUDIO_SINK_INTERFACE) && dev->sink && + avdtp_is_connected(&dev->src, &dev->dst)) + return TRUE; + else if (!strcmp(interface, AUDIO_SOURCE_INTERFACE) && dev->source && + avdtp_is_connected(&dev->src, &dev->dst)) + return TRUE; + else if (!strcmp(interface, AUDIO_HEADSET_INTERFACE) && dev->headset && + headset_is_active(dev)) + return TRUE; + else if (!strcmp(interface, AUDIO_CONTROL_INTERFACE) && dev->headset && + control_is_active(dev)) + return TRUE; + + return FALSE; +} |