bluetooth: Add bluetooth server support

diff --git a/Makefile.am b/Makefile.am
index 758fb10..e402de4 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -321,6 +321,7 @@ builtin_sources += plugins/bluetooth.c plugins/bluetooth.h
 builtin_modules += hfp
 builtin_sources += plugins/hfp.c plugins/bluetooth.h
 
+builtin_sources += $(btio_sources)
 builtin_cflags += @BLUEZ_CFLAGS@
 builtin_libadd += @BLUEZ_LIBS@
 endif

diff --git a/plugins/bluetooth.c b/plugins/bluetooth.c
index 13f3b3b..d17e056 100644 (file)
--- a/plugins/bluetooth.c
+++ b/plugins/bluetooth.c
@@ -35,12 +35,30 @@
 
 #include <ofono/dbus.h>
 
+#include <btio.h>
 #include "bluetooth.h"
 
 static DBusConnection *connection;
 static GHashTable *uuid_hash = NULL;
 static GHashTable *adapter_address_hash = NULL;
 static gint bluetooth_refcount;
+static GSList *server_list = NULL;
+
+struct server {
+       guint8 channel;
+       char *sdp_record;
+       GIOChannel *io;
+       GHashTable *adapter_hash;
+       ConnectFunc connect_cb;
+       gpointer user_data;
+       GSList *client_list;
+};
+
+struct cb_data {
+       struct server *server;
+       char *path;
+       guint source;
+};
 
 void bluetooth_create_path(const char *dev_addr, const char *adapter_addr,
                                char *buf, int size)
@@ -417,6 +435,166 @@ static void get_adapter_properties(const char *path, const char *handle,
                        g_strdup(path), g_free, -1, DBUS_TYPE_INVALID);
 }
 
+static void remove_record(char *path, guint handle, struct server *server)
+{
+       DBusMessage *msg;
+
+       msg = dbus_message_new_method_call(BLUEZ_SERVICE, path,
+                                       BLUEZ_SERVICE_INTERFACE,
+                                       "RemoveRecord");
+       if (msg == NULL) {
+               ofono_error("Unable to allocate D-Bus RemoveRecord message");
+               return;
+       }
+
+       dbus_message_append_args(msg, DBUS_TYPE_UINT32, &handle,
+                                       DBUS_TYPE_INVALID);
+       g_dbus_send_message(connection, msg);
+
+       ofono_info("Unregistered handle for %s, channel %d: 0x%x", path,
+                       server->channel, handle);
+}
+
+static void server_stop(struct server *server)
+{
+       /* Remove all client sources related to server */
+       while (server->client_list) {
+               g_source_remove(GPOINTER_TO_UINT(server->client_list->data));
+               server->client_list = g_slist_remove(server->client_list,
+                                               server->client_list->data);
+       }
+
+       g_hash_table_foreach_remove(server->adapter_hash,
+                                       (GHRFunc) remove_record, server);
+
+       if (server->io != NULL) {
+               g_io_channel_shutdown(server->io, TRUE, NULL);
+               g_io_channel_unref(server->io);
+               server->io = NULL;
+       }
+}
+
+static void cb_data_destroy(gpointer data)
+{
+       struct cb_data *cb_data = data;
+
+       if (cb_data->path != NULL)
+               g_free(cb_data->path);
+       g_free(cb_data);
+}
+
+static gboolean client_event(GIOChannel *chan, GIOCondition cond, gpointer data)
+{
+       struct cb_data *cb_data = data;
+       struct server *server = cb_data->server;
+
+       server->client_list = g_slist_remove(server->client_list,
+                                       GUINT_TO_POINTER(cb_data->source));
+
+       cb_data_destroy(cb_data);
+
+       return FALSE;
+}
+
+static void new_connection(GIOChannel *io, gpointer user_data)
+{
+       struct server *server = user_data;
+       struct cb_data *client_data;
+       GError *err = NULL;
+       char laddress[18], raddress[18];
+       guint8 channel;
+
+       bt_io_get(io, BT_IO_RFCOMM, &err, BT_IO_OPT_SOURCE, laddress,
+                                       BT_IO_OPT_DEST, raddress,
+                                       BT_IO_OPT_CHANNEL, &channel,
+                                       BT_IO_OPT_INVALID);
+       if (err) {
+               ofono_error("%s", err->message);
+               g_error_free(err);
+               return;
+       }
+
+       ofono_info("New connection for %s on channel %u from: %s,", laddress,
+                                                       channel, raddress);
+
+       if (!bt_io_accept(io, server->connect_cb, server->user_data,
+                                               NULL, &err)) {
+               ofono_error("%s", err->message);
+               g_error_free(err);
+               g_io_channel_unref(io);
+               return;
+       }
+
+       client_data = g_try_new0(struct cb_data, 1);
+       if (client_data == NULL) {
+               ofono_error("Unable to allocate client cb_data structure");
+               return;
+       }
+
+       client_data->server = server;
+       client_data->source = g_io_add_watch(io,
+                                       G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+                                       client_event, client_data);
+       server->client_list = g_slist_prepend(server->client_list,
+                                       GUINT_TO_POINTER(client_data->source));
+}
+
+static void add_record_cb(DBusPendingCall *call, gpointer user_data)
+{
+       struct cb_data *cb_data = user_data;
+       DBusMessage *reply = dbus_pending_call_steal_reply(call);
+       DBusError derr;
+       guint32 handle;
+
+       dbus_error_init(&derr);
+
+       if (dbus_set_error_from_message(&derr, reply)) {
+               ofono_error("Replied with an error: %s, %s",
+                                       derr.name, derr.message);
+               dbus_error_free(&derr);
+               g_free(cb_data->path);
+               goto done;
+       }
+
+       dbus_message_get_args(reply, NULL, DBUS_TYPE_UINT32, &handle,
+                                       DBUS_TYPE_INVALID);
+
+       g_hash_table_insert(cb_data->server->adapter_hash, cb_data->path,
+                               GUINT_TO_POINTER(handle));
+
+       ofono_info("Registered handle for %s, channel %d: 0x%x", cb_data->path,
+                       cb_data->server->channel, handle);
+
+done:
+       /* Do not free cb_data->path, it is used in adapter_hash */
+       g_free(cb_data);
+       dbus_message_unref(reply);
+}
+
+static void add_record(gpointer data, gpointer user_data)
+{
+       struct server *server = data;
+       const char *path = user_data;
+       struct cb_data *cb_data;
+
+       if (server->sdp_record == NULL)
+               return;
+
+       cb_data = g_try_new0(struct cb_data, 1);
+       if (cb_data == NULL) {
+               ofono_error("Unable to allocate cb_data structure");
+               return;
+       }
+
+       cb_data->server = server;
+       cb_data->path = g_strdup(path);
+
+       bluetooth_send_with_reply(path, BLUEZ_SERVICE_INTERFACE, "AddRecord",
+                               add_record_cb, cb_data, NULL, -1,
+                               DBUS_TYPE_STRING, &server->sdp_record,
+                               DBUS_TYPE_INVALID);
+}
+
 static gboolean adapter_added(DBusConnection *connection, DBusMessage *message,
                                void *user_data)
 {
@@ -430,6 +608,8 @@ static gboolean adapter_added(DBusConnection *connection, DBusMessage *message,
                        "GetProperties", adapter_properties_cb, g_strdup(path),
                        g_free, -1, DBUS_TYPE_INVALID);
 
+       g_slist_foreach(server_list, add_record,(gpointer) path);
+
        return TRUE;
 }
 
@@ -437,11 +617,19 @@ static gboolean adapter_removed(DBusConnection *connection,
                                DBusMessage *message, void *user_data)
 {
        const char *path;
+       GSList *l;
 
        if (dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
                                DBUS_TYPE_INVALID) == TRUE)
                g_hash_table_remove(adapter_address_hash, path);
 
+       for (l = server_list; l; l = l->next) {
+               struct server *server = l->data;
+
+               /* Handle have already been removed, so removing related path */
+               g_hash_table_remove(server->adapter_hash, path);
+       }
+
        return TRUE;
 }
 
@@ -468,6 +656,8 @@ static void parse_adapters(DBusMessageIter *array, gpointer user_data)
                                "GetProperties", adapter_properties_cb,
                                g_strdup(path), g_free, -1, DBUS_TYPE_INVALID);
 
+               g_slist_foreach(server_list, add_record, (gpointer) path);
+
                dbus_message_iter_next(&value);
        }
 }
@@ -583,9 +773,6 @@ int bluetooth_register_uuid(const char *uuid, struct bluetooth_profile *profile)
 {
        bluetooth_ref();
 
-       if (bluetooth_refcount == 0)
-               return -EIO;
-
        g_hash_table_insert(uuid_hash, g_strdup(uuid), profile);
 
        g_hash_table_foreach(adapter_address_hash,
@@ -601,5 +788,59 @@ void bluetooth_unregister_uuid(const char *uuid)
        bluetooth_unref();
 }
 
+struct server *bluetooth_register_server(guint8 channel, const char *sdp_record,
+                                       ConnectFunc cb, gpointer user_data)
+{
+       struct server *server;
+       GError *err;
+       GHashTableIter iter;
+       gpointer key, value;
+
+       server = g_try_new0(struct server, 1);
+       if (!server)
+               return NULL;
+
+
+       server->channel = channel;
+       server->io = bt_io_listen(BT_IO_RFCOMM, NULL, new_connection,
+                                       server, NULL, &err,
+                                       BT_IO_OPT_CHANNEL, server->channel,
+                                       BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
+                                       BT_IO_OPT_INVALID);
+       if (server->io == NULL) {
+               g_error_free(err);
+               g_free(server);
+               return NULL;
+       }
+
+       bluetooth_ref();
+
+       if (sdp_record != NULL)
+               server->sdp_record = g_strdup(sdp_record);
+       server->connect_cb = cb;
+       server->user_data = user_data;
+       server->adapter_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
+                                               g_free, NULL);
+
+       g_hash_table_iter_init(&iter, adapter_address_hash);
+       while (g_hash_table_iter_next(&iter, &key, &value))
+               add_record(server, key);
+
+       server_list = g_slist_prepend(server_list, server);
+
+       return server;
+}
+
+void bluetooth_unregister_server(struct server *server)
+{
+       server_list = g_slist_remove(server_list, server);
+       server_stop(server);
+       g_hash_table_destroy(server->adapter_hash);
+       g_free(server->sdp_record);
+       g_free(server);
+
+       bluetooth_unref();
+}
+
 OFONO_PLUGIN_DEFINE(bluetooth, "Bluetooth Utils Plugins", VERSION,
                        OFONO_PLUGIN_PRIORITY_DEFAULT, NULL, NULL)

diff --git a/plugins/bluetooth.h b/plugins/bluetooth.h
index 42b0d13..505d908 100644 (file)
--- a/plugins/bluetooth.h
+++ b/plugins/bluetooth.h
@@ -23,6 +23,7 @@
 #define        BLUEZ_MANAGER_INTERFACE         BLUEZ_SERVICE ".Manager"
 #define        BLUEZ_ADAPTER_INTERFACE         BLUEZ_SERVICE ".Adapter"
 #define        BLUEZ_DEVICE_INTERFACE          BLUEZ_SERVICE ".Device"
+#define        BLUEZ_SERVICE_INTERFACE         BLUEZ_SERVICE ".Service"
 
 #define DBUS_TIMEOUT 15
 
@@ -39,10 +40,18 @@ struct bluetooth_profile {
        void (*set_alias)(const char *device, const char *);
 };
 
+struct server;
+
+typedef void (*ConnectFunc)(GIOChannel *io, GError *err, gpointer user_data);
+
 int bluetooth_register_uuid(const char *uuid,
                                struct bluetooth_profile *profile);
 void bluetooth_unregister_uuid(const char *uuid);
 
+struct server *bluetooth_register_server(guint8 channel, const char *sdp_record,
+                                       ConnectFunc cb, gpointer user_data);
+void bluetooth_unregister_server(struct server *server);
+
 void bluetooth_create_path(const char *dev_addr, const char *adapter_addr,
                                                        char *buf, int size);