mirror of git://git.sysmocom.de/ofono
bluetooth: Add bluetooth server support
This commit is contained in:
Frédéric Danis
Denis Kenzior
parent
e0d777a655
commit
f3acfea531
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@ -321,6 +321,7 @@ builtin_sources += plugins/bluetooth.c plugins/bluetooth.h
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builtin_modules += hfp
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builtin_sources += plugins/hfp.c plugins/bluetooth.h
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builtin_sources += $(btio_sources)
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builtin_cflags += @BLUEZ_CFLAGS@
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builtin_libadd += @BLUEZ_LIBS@
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endif
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@ -35,12 +35,30 @@
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#include <ofono/dbus.h>
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#include <btio.h>
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#include "bluetooth.h"
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static DBusConnection *connection;
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static GHashTable *uuid_hash = NULL;
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static GHashTable *adapter_address_hash = NULL;
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static gint bluetooth_refcount;
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static GSList *server_list = NULL;
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struct server {
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guint8 channel;
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char *sdp_record;
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GIOChannel *io;
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GHashTable *adapter_hash;
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ConnectFunc connect_cb;
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gpointer user_data;
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GSList *client_list;
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};
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struct cb_data {
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struct server *server;
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char *path;
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guint source;
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};
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void bluetooth_create_path(const char *dev_addr, const char *adapter_addr,
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char *buf, int size)
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@ -417,6 +435,166 @@ static void get_adapter_properties(const char *path, const char *handle,
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g_strdup(path), g_free, -1, DBUS_TYPE_INVALID);
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}
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static void remove_record(char *path, guint handle, struct server *server)
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{
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DBusMessage *msg;
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msg = dbus_message_new_method_call(BLUEZ_SERVICE, path,
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BLUEZ_SERVICE_INTERFACE,
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"RemoveRecord");
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if (msg == NULL) {
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ofono_error("Unable to allocate D-Bus RemoveRecord message");
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return;
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}
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dbus_message_append_args(msg, DBUS_TYPE_UINT32, &handle,
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DBUS_TYPE_INVALID);
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g_dbus_send_message(connection, msg);
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ofono_info("Unregistered handle for %s, channel %d: 0x%x", path,
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server->channel, handle);
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}
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static void server_stop(struct server *server)
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{
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/* Remove all client sources related to server */
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while (server->client_list) {
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g_source_remove(GPOINTER_TO_UINT(server->client_list->data));
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server->client_list = g_slist_remove(server->client_list,
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server->client_list->data);
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}
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g_hash_table_foreach_remove(server->adapter_hash,
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(GHRFunc) remove_record, server);
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if (server->io != NULL) {
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g_io_channel_shutdown(server->io, TRUE, NULL);
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g_io_channel_unref(server->io);
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server->io = NULL;
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}
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}
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static void cb_data_destroy(gpointer data)
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{
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struct cb_data *cb_data = data;
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if (cb_data->path != NULL)
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g_free(cb_data->path);
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g_free(cb_data);
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}
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static gboolean client_event(GIOChannel *chan, GIOCondition cond, gpointer data)
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{
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struct cb_data *cb_data = data;
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struct server *server = cb_data->server;
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server->client_list = g_slist_remove(server->client_list,
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GUINT_TO_POINTER(cb_data->source));
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cb_data_destroy(cb_data);
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return FALSE;
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}
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static void new_connection(GIOChannel *io, gpointer user_data)
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{
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struct server *server = user_data;
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struct cb_data *client_data;
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GError *err = NULL;
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char laddress[18], raddress[18];
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guint8 channel;
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bt_io_get(io, BT_IO_RFCOMM, &err, BT_IO_OPT_SOURCE, laddress,
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BT_IO_OPT_DEST, raddress,
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BT_IO_OPT_CHANNEL, &channel,
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BT_IO_OPT_INVALID);
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if (err) {
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ofono_error("%s", err->message);
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g_error_free(err);
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return;
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}
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ofono_info("New connection for %s on channel %u from: %s,", laddress,
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channel, raddress);
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if (!bt_io_accept(io, server->connect_cb, server->user_data,
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NULL, &err)) {
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ofono_error("%s", err->message);
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g_error_free(err);
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g_io_channel_unref(io);
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return;
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}
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client_data = g_try_new0(struct cb_data, 1);
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if (client_data == NULL) {
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ofono_error("Unable to allocate client cb_data structure");
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return;
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}
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client_data->server = server;
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client_data->source = g_io_add_watch(io,
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G_IO_HUP | G_IO_ERR | G_IO_NVAL,
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client_event, client_data);
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server->client_list = g_slist_prepend(server->client_list,
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GUINT_TO_POINTER(client_data->source));
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}
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static void add_record_cb(DBusPendingCall *call, gpointer user_data)
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{
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struct cb_data *cb_data = user_data;
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DBusMessage *reply = dbus_pending_call_steal_reply(call);
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DBusError derr;
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guint32 handle;
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dbus_error_init(&derr);
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if (dbus_set_error_from_message(&derr, reply)) {
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ofono_error("Replied with an error: %s, %s",
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derr.name, derr.message);
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dbus_error_free(&derr);
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g_free(cb_data->path);
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goto done;
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}
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dbus_message_get_args(reply, NULL, DBUS_TYPE_UINT32, &handle,
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DBUS_TYPE_INVALID);
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g_hash_table_insert(cb_data->server->adapter_hash, cb_data->path,
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GUINT_TO_POINTER(handle));
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ofono_info("Registered handle for %s, channel %d: 0x%x", cb_data->path,
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cb_data->server->channel, handle);
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done:
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/* Do not free cb_data->path, it is used in adapter_hash */
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g_free(cb_data);
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dbus_message_unref(reply);
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}
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static void add_record(gpointer data, gpointer user_data)
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{
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struct server *server = data;
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const char *path = user_data;
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struct cb_data *cb_data;
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if (server->sdp_record == NULL)
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return;
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cb_data = g_try_new0(struct cb_data, 1);
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if (cb_data == NULL) {
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ofono_error("Unable to allocate cb_data structure");
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return;
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}
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cb_data->server = server;
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cb_data->path = g_strdup(path);
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bluetooth_send_with_reply(path, BLUEZ_SERVICE_INTERFACE, "AddRecord",
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add_record_cb, cb_data, NULL, -1,
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DBUS_TYPE_STRING, &server->sdp_record,
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DBUS_TYPE_INVALID);
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}
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static gboolean adapter_added(DBusConnection *connection, DBusMessage *message,
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void *user_data)
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{
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@ -430,6 +608,8 @@ static gboolean adapter_added(DBusConnection *connection, DBusMessage *message,
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"GetProperties", adapter_properties_cb, g_strdup(path),
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g_free, -1, DBUS_TYPE_INVALID);
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g_slist_foreach(server_list, add_record,(gpointer) path);
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return TRUE;
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}
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@ -437,11 +617,19 @@ static gboolean adapter_removed(DBusConnection *connection,
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DBusMessage *message, void *user_data)
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{
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const char *path;
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GSList *l;
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if (dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
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DBUS_TYPE_INVALID) == TRUE)
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g_hash_table_remove(adapter_address_hash, path);
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for (l = server_list; l; l = l->next) {
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struct server *server = l->data;
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/* Handle have already been removed, so removing related path */
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g_hash_table_remove(server->adapter_hash, path);
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}
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return TRUE;
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}
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@ -468,6 +656,8 @@ static void parse_adapters(DBusMessageIter *array, gpointer user_data)
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"GetProperties", adapter_properties_cb,
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g_strdup(path), g_free, -1, DBUS_TYPE_INVALID);
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g_slist_foreach(server_list, add_record, (gpointer) path);
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dbus_message_iter_next(&value);
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}
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}
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@ -583,9 +773,6 @@ int bluetooth_register_uuid(const char *uuid, struct bluetooth_profile *profile)
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{
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bluetooth_ref();
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if (bluetooth_refcount == 0)
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return -EIO;
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g_hash_table_insert(uuid_hash, g_strdup(uuid), profile);
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g_hash_table_foreach(adapter_address_hash,
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@ -601,5 +788,59 @@ void bluetooth_unregister_uuid(const char *uuid)
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bluetooth_unref();
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}
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struct server *bluetooth_register_server(guint8 channel, const char *sdp_record,
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ConnectFunc cb, gpointer user_data)
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{
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struct server *server;
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GError *err;
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GHashTableIter iter;
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gpointer key, value;
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server = g_try_new0(struct server, 1);
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if (!server)
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return NULL;
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server->channel = channel;
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server->io = bt_io_listen(BT_IO_RFCOMM, NULL, new_connection,
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server, NULL, &err,
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BT_IO_OPT_CHANNEL, server->channel,
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BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
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BT_IO_OPT_INVALID);
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if (server->io == NULL) {
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g_error_free(err);
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g_free(server);
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return NULL;
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}
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bluetooth_ref();
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if (sdp_record != NULL)
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server->sdp_record = g_strdup(sdp_record);
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server->connect_cb = cb;
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server->user_data = user_data;
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server->adapter_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
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g_free, NULL);
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g_hash_table_iter_init(&iter, adapter_address_hash);
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while (g_hash_table_iter_next(&iter, &key, &value))
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add_record(server, key);
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server_list = g_slist_prepend(server_list, server);
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return server;
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}
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void bluetooth_unregister_server(struct server *server)
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{
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server_list = g_slist_remove(server_list, server);
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server_stop(server);
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g_hash_table_destroy(server->adapter_hash);
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g_free(server->sdp_record);
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g_free(server);
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bluetooth_unref();
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}
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OFONO_PLUGIN_DEFINE(bluetooth, "Bluetooth Utils Plugins", VERSION,
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OFONO_PLUGIN_PRIORITY_DEFAULT, NULL, NULL)
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@ -23,6 +23,7 @@
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#define BLUEZ_MANAGER_INTERFACE BLUEZ_SERVICE ".Manager"
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#define BLUEZ_ADAPTER_INTERFACE BLUEZ_SERVICE ".Adapter"
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#define BLUEZ_DEVICE_INTERFACE BLUEZ_SERVICE ".Device"
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#define BLUEZ_SERVICE_INTERFACE BLUEZ_SERVICE ".Service"
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#define DBUS_TIMEOUT 15
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@ -39,10 +40,18 @@ struct bluetooth_profile {
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void (*set_alias)(const char *device, const char *);
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};
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struct server;
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typedef void (*ConnectFunc)(GIOChannel *io, GError *err, gpointer user_data);
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int bluetooth_register_uuid(const char *uuid,
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struct bluetooth_profile *profile);
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void bluetooth_unregister_uuid(const char *uuid);
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struct server *bluetooth_register_server(guint8 channel, const char *sdp_record,
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ConnectFunc cb, gpointer user_data);
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void bluetooth_unregister_server(struct server *server);
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void bluetooth_create_path(const char *dev_addr, const char *adapter_addr,
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char *buf, int size);
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