diff options
Diffstat (limited to 'cras/src/server/cras_bt_manager.c')
| -rw-r--r-- | cras/src/server/cras_bt_manager.c | 619 |
1 files changed, 0 insertions, 619 deletions
diff --git a/cras/src/server/cras_bt_manager.c b/cras/src/server/cras_bt_manager.c deleted file mode 100644 index a7103406..00000000 --- a/cras/src/server/cras_bt_manager.c +++ /dev/null @@ -1,619 +0,0 @@ -/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include <dbus/dbus.h> -#include <errno.h> -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <syslog.h> - -#include "cras_bt_constants.h" -#include "cras_bt_manager.h" -#include "cras_bt_adapter.h" -#include "cras_bt_device.h" -#include "cras_bt_endpoint.h" -#include "cras_bt_log.h" -#include "cras_bt_player.h" -#include "cras_bt_profile.h" -#include "cras_bt_transport.h" -#include "cras_bt_battery_provider.h" -#include "utlist.h" - -struct cras_bt_event_log *btlog; - -static void cras_bt_interface_added(DBusConnection *conn, - const char *object_path, - const char *interface_name, - DBusMessageIter *properties_array_iter) -{ - if (strcmp(interface_name, BLUEZ_INTERFACE_ADAPTER) == 0) { - struct cras_bt_adapter *adapter; - - adapter = cras_bt_adapter_get(object_path); - if (adapter) { - cras_bt_adapter_update_properties( - adapter, properties_array_iter, NULL); - } else { - BTLOG(btlog, BT_ADAPTER_ADDED, 0, 0); - adapter = cras_bt_adapter_create(conn, object_path); - if (adapter) { - cras_bt_adapter_update_properties( - adapter, properties_array_iter, NULL); - - syslog(LOG_INFO, "Bluetooth Adapter: %s added", - cras_bt_adapter_address(adapter)); - } else { - syslog(LOG_WARNING, - "Failed to create Bluetooth Adapter: %s", - object_path); - } - } - - } else if (strcmp(interface_name, BLUEZ_INTERFACE_MEDIA) == 0) { - struct cras_bt_adapter *adapter; - - adapter = cras_bt_adapter_get(object_path); - if (adapter) { - cras_bt_register_endpoints(conn, adapter); - cras_bt_register_player(conn, adapter); - - syslog(LOG_INFO, - "Bluetooth Endpoint and/or Player: %s added", - cras_bt_adapter_address(adapter)); - } else { - syslog(LOG_WARNING, - "Failed to create Bluetooth Endpoint and/or Player: %s", - object_path); - } - - } else if (strcmp(interface_name, BLUEZ_PROFILE_MGMT_INTERFACE) == 0) { - cras_bt_register_profiles(conn); - - syslog(LOG_INFO, "Bluetooth Profile Manager added"); - - } else if (strcmp(interface_name, BLUEZ_INTERFACE_DEVICE) == 0) { - struct cras_bt_device *device; - - device = cras_bt_device_get(object_path); - if (device) { - cras_bt_device_update_properties( - device, properties_array_iter, NULL); - } else { - device = cras_bt_device_create(conn, object_path); - if (device) { - cras_bt_device_update_properties( - device, properties_array_iter, NULL); - - syslog(LOG_INFO, "Bluetooth Device: %s added", - cras_bt_device_address(device)); - } else { - syslog(LOG_WARNING, - "Failed to create Bluetooth Device: %s", - object_path); - } - } - - } else if (strcmp(interface_name, BLUEZ_INTERFACE_MEDIA_TRANSPORT) == - 0) { - struct cras_bt_transport *transport; - - transport = cras_bt_transport_get(object_path); - if (transport) { - cras_bt_transport_update_properties( - transport, properties_array_iter, NULL); - } else { - transport = cras_bt_transport_create(conn, object_path); - if (transport) { - cras_bt_transport_update_properties( - transport, properties_array_iter, NULL); - - syslog(LOG_INFO, - "Bluetooth Transport: %s added", - cras_bt_transport_object_path( - transport)); - } else { - syslog(LOG_WARNING, - "Failed to create Bluetooth Transport: " - "%s", - object_path); - } - } - } else if (strcmp(interface_name, - BLUEZ_INTERFACE_BATTERY_PROVIDER_MANAGER) == 0) { - struct cras_bt_adapter *adapter; - int ret; - - syslog(LOG_INFO, - "Bluetooth Battery Provider Manager available"); - - adapter = cras_bt_adapter_get(object_path); - if (adapter) { - syslog(LOG_INFO, - "Registering Battery Provider for adapter %s", - cras_bt_adapter_address(adapter)); - ret = cras_bt_register_battery_provider(conn, adapter); - if (ret != 0) { - syslog(LOG_ERR, - "Error registering Battery Provider " - "for adapter %s: %s", - cras_bt_adapter_address(adapter), - strerror(-ret)); - } - } else { - syslog(LOG_WARNING, - "Adapter not available when trying to create " - "Battery Provider"); - } - } -} - -static void cras_bt_interface_removed(DBusConnection *conn, - const char *object_path, - const char *interface_name) -{ - if (strcmp(interface_name, BLUEZ_INTERFACE_ADAPTER) == 0) { - struct cras_bt_adapter *adapter; - - BTLOG(btlog, BT_ADAPTER_REMOVED, 0, 0); - adapter = cras_bt_adapter_get(object_path); - if (adapter) { - syslog(LOG_INFO, "Bluetooth Adapter: %s removed", - cras_bt_adapter_address(adapter)); - cras_bt_adapter_destroy(adapter); - } - - } else if (strcmp(interface_name, BLUEZ_INTERFACE_DEVICE) == 0) { - struct cras_bt_device *device; - - device = cras_bt_device_get(object_path); - if (device) { - syslog(LOG_INFO, "Bluetooth Device: %s removed", - cras_bt_device_address(device)); - cras_bt_device_remove(device); - } - - } else if (strcmp(interface_name, BLUEZ_INTERFACE_MEDIA_TRANSPORT) == - 0) { - struct cras_bt_transport *transport; - - transport = cras_bt_transport_get(object_path); - if (transport) { - syslog(LOG_INFO, "Bluetooth Transport: %s removed", - cras_bt_transport_object_path(transport)); - cras_bt_transport_remove(transport); - } - } else if (strcmp(interface_name, - BLUEZ_INTERFACE_BATTERY_PROVIDER_MANAGER) == 0) { - syslog(LOG_INFO, "Bluetooth Battery Provider Manager removed"); - cras_bt_battery_provider_reset(); - } -} - -static void cras_bt_update_properties(DBusConnection *conn, - const char *object_path, - const char *interface_name, - DBusMessageIter *properties_array_iter, - DBusMessageIter *invalidated_array_iter) -{ - if (strcmp(interface_name, BLUEZ_INTERFACE_ADAPTER) == 0) { - struct cras_bt_adapter *adapter; - - adapter = cras_bt_adapter_get(object_path); - if (adapter) { - cras_bt_adapter_update_properties( - adapter, properties_array_iter, - invalidated_array_iter); - } - - } else if (strcmp(interface_name, BLUEZ_INTERFACE_DEVICE) == 0) { - struct cras_bt_device *device; - - device = cras_bt_device_get(object_path); - if (device) { - cras_bt_device_update_properties( - device, properties_array_iter, - invalidated_array_iter); - } - - } else if (strcmp(interface_name, BLUEZ_INTERFACE_MEDIA_TRANSPORT) == - 0) { - struct cras_bt_transport *transport; - - transport = cras_bt_transport_get(object_path); - if (transport) { - cras_bt_transport_update_properties( - transport, properties_array_iter, - invalidated_array_iter); - } - } -} - -/* Destroys all bt related stuff. The reset functions must be called in - * reverse order of the adapter -> device -> profile(s) hierarchy. - */ -static void cras_bt_reset() -{ - BTLOG(btlog, BT_RESET, 0, 0); - cras_bt_endpoint_reset(); - cras_bt_transport_reset(); - cras_bt_profile_reset(); - cras_bt_device_reset(); - cras_bt_adapter_reset(); -} - -static void cras_bt_on_get_managed_objects(DBusPendingCall *pending_call, - void *data) -{ - DBusConnection *conn = (DBusConnection *)data; - DBusMessage *reply; - DBusMessageIter message_iter, object_array_iter; - - reply = dbus_pending_call_steal_reply(pending_call); - dbus_pending_call_unref(pending_call); - - if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) { - syslog(LOG_WARNING, "GetManagedObjects returned error: %s", - dbus_message_get_error_name(reply)); - dbus_message_unref(reply); - return; - } - - if (!dbus_message_has_signature(reply, "a{oa{sa{sv}}}")) { - syslog(LOG_WARNING, "Bad GetManagedObjects reply received"); - dbus_message_unref(reply); - return; - } - - dbus_message_iter_init(reply, &message_iter); - dbus_message_iter_recurse(&message_iter, &object_array_iter); - - while (dbus_message_iter_get_arg_type(&object_array_iter) != - DBUS_TYPE_INVALID) { - DBusMessageIter object_dict_iter, interface_array_iter; - const char *object_path; - - dbus_message_iter_recurse(&object_array_iter, - &object_dict_iter); - - dbus_message_iter_get_basic(&object_dict_iter, &object_path); - dbus_message_iter_next(&object_dict_iter); - - dbus_message_iter_recurse(&object_dict_iter, - &interface_array_iter); - - while (dbus_message_iter_get_arg_type(&interface_array_iter) != - DBUS_TYPE_INVALID) { - DBusMessageIter interface_dict_iter; - DBusMessageIter properties_array_iter; - const char *interface_name; - - dbus_message_iter_recurse(&interface_array_iter, - &interface_dict_iter); - - dbus_message_iter_get_basic(&interface_dict_iter, - &interface_name); - dbus_message_iter_next(&interface_dict_iter); - - dbus_message_iter_recurse(&interface_dict_iter, - &properties_array_iter); - - cras_bt_interface_added(conn, object_path, - interface_name, - &properties_array_iter); - - dbus_message_iter_next(&interface_array_iter); - } - - dbus_message_iter_next(&object_array_iter); - } - - dbus_message_unref(reply); -} - -static int cras_bt_get_managed_objects(DBusConnection *conn) -{ - DBusMessage *method_call; - DBusPendingCall *pending_call; - - method_call = - dbus_message_new_method_call(BLUEZ_SERVICE, "/", - DBUS_INTERFACE_OBJECT_MANAGER, - "GetManagedObjects"); - if (!method_call) - return -ENOMEM; - - pending_call = NULL; - if (!dbus_connection_send_with_reply(conn, method_call, &pending_call, - DBUS_TIMEOUT_USE_DEFAULT)) { - dbus_message_unref(method_call); - return -ENOMEM; - } - - dbus_message_unref(method_call); - if (!pending_call) - return -EIO; - - if (!dbus_pending_call_set_notify( - pending_call, cras_bt_on_get_managed_objects, conn, NULL)) { - dbus_pending_call_cancel(pending_call); - dbus_pending_call_unref(pending_call); - return -ENOMEM; - } - - return 0; -} - -static DBusHandlerResult cras_bt_handle_name_owner_changed(DBusConnection *conn, - DBusMessage *message, - void *arg) -{ - DBusError dbus_error; - const char *service_name, *old_owner, *new_owner; - - if (!dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, - "NameOwnerChanged")) - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - - dbus_error_init(&dbus_error); - if (!dbus_message_get_args(message, &dbus_error, DBUS_TYPE_STRING, - &service_name, DBUS_TYPE_STRING, &old_owner, - DBUS_TYPE_STRING, &new_owner, - DBUS_TYPE_INVALID)) { - syslog(LOG_WARNING, "Bad NameOwnerChanged signal received: %s", - dbus_error.message); - dbus_error_free(&dbus_error); - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - } - - syslog(LOG_INFO, "Bluetooth daemon disconnected from the bus."); - cras_bt_reset(); - - if (strlen(new_owner) > 0) - cras_bt_get_managed_objects(conn); - - return DBUS_HANDLER_RESULT_HANDLED; -} - -static DBusHandlerResult cras_bt_handle_interfaces_added(DBusConnection *conn, - DBusMessage *message, - void *arg) -{ - DBusMessageIter message_iter, interface_array_iter; - const char *object_path; - - if (!dbus_message_is_signal(message, DBUS_INTERFACE_OBJECT_MANAGER, - "InterfacesAdded")) - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - - if (!dbus_message_has_signature(message, "oa{sa{sv}}")) { - syslog(LOG_WARNING, "Bad InterfacesAdded signal received"); - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - } - - dbus_message_iter_init(message, &message_iter); - - dbus_message_iter_get_basic(&message_iter, &object_path); - dbus_message_iter_next(&message_iter); - - dbus_message_iter_recurse(&message_iter, &interface_array_iter); - - while (dbus_message_iter_get_arg_type(&interface_array_iter) != - DBUS_TYPE_INVALID) { - DBusMessageIter interface_dict_iter, properties_array_iter; - const char *interface_name; - - dbus_message_iter_recurse(&interface_array_iter, - &interface_dict_iter); - - dbus_message_iter_get_basic(&interface_dict_iter, - &interface_name); - dbus_message_iter_next(&interface_dict_iter); - - dbus_message_iter_recurse(&interface_dict_iter, - &properties_array_iter); - - cras_bt_interface_added(conn, object_path, interface_name, - &properties_array_iter); - - dbus_message_iter_next(&interface_array_iter); - } - - return DBUS_HANDLER_RESULT_HANDLED; -} - -static DBusHandlerResult cras_bt_handle_interfaces_removed(DBusConnection *conn, - DBusMessage *message, - void *arg) -{ - DBusMessageIter message_iter, interface_array_iter; - const char *object_path; - - if (!dbus_message_is_signal(message, DBUS_INTERFACE_OBJECT_MANAGER, - "InterfacesRemoved")) - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - - if (!dbus_message_has_signature(message, "oas")) { - syslog(LOG_WARNING, "Bad InterfacesRemoved signal received"); - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - } - - dbus_message_iter_init(message, &message_iter); - - dbus_message_iter_get_basic(&message_iter, &object_path); - dbus_message_iter_next(&message_iter); - - dbus_message_iter_recurse(&message_iter, &interface_array_iter); - - while (dbus_message_iter_get_arg_type(&interface_array_iter) != - DBUS_TYPE_INVALID) { - const char *interface_name; - - dbus_message_iter_get_basic(&interface_array_iter, - &interface_name); - - cras_bt_interface_removed(conn, object_path, interface_name); - - dbus_message_iter_next(&interface_array_iter); - } - - return DBUS_HANDLER_RESULT_HANDLED; -} - -static DBusHandlerResult cras_bt_handle_properties_changed(DBusConnection *conn, - DBusMessage *message, - void *arg) -{ - DBusMessageIter message_iter, properties_array_iter; - DBusMessageIter invalidated_array_iter; - const char *object_path, *interface_name; - - if (!dbus_message_is_signal(message, DBUS_INTERFACE_PROPERTIES, - "PropertiesChanged")) - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - - if (!dbus_message_has_signature(message, "sa{sv}as")) { - syslog(LOG_WARNING, "Bad PropertiesChanged signal received"); - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - } - - object_path = dbus_message_get_path(message); - - dbus_message_iter_init(message, &message_iter); - - dbus_message_iter_get_basic(&message_iter, &interface_name); - dbus_message_iter_next(&message_iter); - - dbus_message_iter_recurse(&message_iter, &properties_array_iter); - dbus_message_iter_next(&message_iter); - - dbus_message_iter_recurse(&message_iter, &invalidated_array_iter); - - cras_bt_update_properties(conn, object_path, interface_name, - &properties_array_iter, - &invalidated_array_iter); - - return DBUS_HANDLER_RESULT_HANDLED; -} - -void cras_bt_start(DBusConnection *conn) -{ - DBusError dbus_error; - - btlog = cras_bt_event_log_init(); - - dbus_error_init(&dbus_error); - - /* Inform the bus daemon which signals we wish to receive. */ - dbus_bus_add_match(conn, - "type='signal'," - "sender='" DBUS_SERVICE_DBUS "'," - "interface='" DBUS_INTERFACE_DBUS "'," - "member='NameOwnerChanged'," - "arg0='" BLUEZ_SERVICE "'", - &dbus_error); - if (dbus_error_is_set(&dbus_error)) - goto add_match_error; - - dbus_bus_add_match(conn, - "type='signal'," - "sender='" BLUEZ_SERVICE "'," - "interface='" DBUS_INTERFACE_OBJECT_MANAGER "'," - "member='InterfacesAdded'", - &dbus_error); - if (dbus_error_is_set(&dbus_error)) - goto add_match_error; - - dbus_bus_add_match(conn, - "type='signal'," - "sender='" BLUEZ_SERVICE "'," - "interface='" DBUS_INTERFACE_OBJECT_MANAGER "'," - "member='InterfacesRemoved'", - &dbus_error); - if (dbus_error_is_set(&dbus_error)) - goto add_match_error; - - dbus_bus_add_match(conn, - "type='signal'," - "sender='" BLUEZ_SERVICE "'," - "interface='" DBUS_INTERFACE_PROPERTIES "'," - "member='PropertiesChanged'", - &dbus_error); - if (dbus_error_is_set(&dbus_error)) - goto add_match_error; - - /* Install filter functions to handle the signals we receive. */ - if (!dbus_connection_add_filter(conn, cras_bt_handle_name_owner_changed, - NULL, NULL)) - goto add_filter_error; - - if (!dbus_connection_add_filter(conn, cras_bt_handle_interfaces_added, - NULL, NULL)) - goto add_filter_error; - - if (!dbus_connection_add_filter(conn, cras_bt_handle_interfaces_removed, - NULL, NULL)) - goto add_filter_error; - - if (!dbus_connection_add_filter(conn, cras_bt_handle_properties_changed, - NULL, NULL)) - goto add_filter_error; - - cras_bt_get_managed_objects(conn); - return; - -add_match_error: - syslog(LOG_WARNING, "Couldn't setup Bluetooth device monitoring: %s", - dbus_error.message); - dbus_error_free(&dbus_error); - cras_bt_stop(conn); - return; - -add_filter_error: - syslog(LOG_WARNING, "Couldn't setup Bluetooth device monitoring: %s", - strerror(ENOMEM)); - cras_bt_stop(conn); - return; -} - -void cras_bt_stop(DBusConnection *conn) -{ - cras_bt_reset(); - - dbus_bus_remove_match(conn, - "type='signal'," - "sender='" DBUS_SERVICE_DBUS "'," - "interface='" DBUS_INTERFACE_DBUS "'," - "member='NameOwnerChanged'," - "arg0='" BLUEZ_SERVICE "'", - NULL); - dbus_bus_remove_match(conn, - "type='signal'," - "sender='" BLUEZ_SERVICE "'," - "interface='" DBUS_INTERFACE_OBJECT_MANAGER "'," - "member='InterfacesAdded'", - NULL); - dbus_bus_remove_match(conn, - "type='signal'," - "sender='" BLUEZ_SERVICE "'," - "interface='" DBUS_INTERFACE_OBJECT_MANAGER "'," - "member='InterfacesRemoved'", - NULL); - dbus_bus_remove_match(conn, - "type='signal'," - "sender='" BLUEZ_SERVICE "'," - "interface='" DBUS_INTERFACE_PROPERTIES "'," - "member='PropertiesChanged'", - NULL); - - dbus_connection_remove_filter(conn, cras_bt_handle_name_owner_changed, - NULL); - dbus_connection_remove_filter(conn, cras_bt_handle_interfaces_added, - NULL); - dbus_connection_remove_filter(conn, cras_bt_handle_interfaces_removed, - NULL); - dbus_connection_remove_filter(conn, cras_bt_handle_properties_changed, - NULL); -} |