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authorMarcel Holtmann <marcel@holtmann.org>2008-05-08 20:23:45 +0000
committerMarcel Holtmann <marcel@holtmann.org>2008-05-08 20:23:45 +0000
commite7d668ac9e813bc9922ee7d771848bd8822d5d1f (patch)
tree34e2fc7b1c064beaa52e5e05e9278be458be9fba /common
parent44a204a75880c342c3ac9066072f102f773a539a (diff)
Move D-Bus watch functions into libgdbus
Diffstat (limited to 'common')
-rw-r--r--common/Makefile.am6
-rw-r--r--common/dbus-helper.h14
-rw-r--r--common/dbus.c391
-rw-r--r--common/dbus.h49
4 files changed, 16 insertions, 444 deletions
diff --git a/common/Makefile.am b/common/Makefile.am
index a90df324..5352d34f 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -2,9 +2,9 @@
noinst_LIBRARIES = libhelper.a
libhelper_a_SOURCES = oui.h oui.c textfile.h textfile.c \
- logging.h logging.c error.h error.c dbus.h dbus.c \
- dbus-helper.h dbus-helper.c glib-helper.h glib-helper.c \
- sdp-xml.h sdp-xml.c sdp-glib.c
+ logging.h logging.c error.h error.c \
+ dbus-helper.h dbus-helper.c \
+ glib-helper.h glib-helper.c sdp-xml.h sdp-xml.c sdp-glib.c
noinst_PROGRAMS = test_textfile
diff --git a/common/dbus-helper.h b/common/dbus-helper.h
index 57c3d09b..6c3c3a89 100644
--- a/common/dbus-helper.h
+++ b/common/dbus-helper.h
@@ -20,8 +20,9 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
+
#include <stdarg.h>
-#include <dbus.h>
+#include <dbus/dbus.h>
#define DBUS_TYPE_STRING_ARRAY_AS_STRING (DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_STRING_AS_STRING)
#define DBUS_TYPE_BYTE_ARRAY_AS_STRING (DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_BYTE_AS_STRING)
@@ -93,3 +94,14 @@ dbus_bool_t dbus_connection_emit_property_changed(DBusConnection *conn,
const char *interface,
const char *name,
int type, void *value);
+
+static inline DBusHandlerResult send_message_and_unref(DBusConnection *conn,
+ DBusMessage *msg)
+{
+ if (msg) {
+ dbus_connection_send(conn, msg, NULL);
+ dbus_message_unref(msg);
+ }
+
+ return DBUS_HANDLER_RESULT_HANDLED;
+}
diff --git a/common/dbus.c b/common/dbus.c
deleted file mode 100644
index 4ea56c9f..00000000
--- a/common/dbus.c
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
- *
- * BlueZ - Bluetooth protocol stack for Linux
- *
- * 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 <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdint.h>
-
-#include <glib.h>
-
-#include <dbus/dbus.h>
-
-#ifdef NEED_DBUS_WATCH_GET_UNIX_FD
-#define dbus_watch_get_unix_fd dbus_watch_get_fd
-#endif
-
-#ifdef HAVE_DBUS_GLIB
-#include <dbus/dbus-glib-lowlevel.h>
-#endif
-
-#include "dbus.h"
-#include "logging.h"
-
-static guint listener_id = 0;
-static GSList *name_listeners = NULL;
-
-struct name_callback {
- name_cb_t func;
- void *user_data;
- guint id;
-};
-
-struct name_data {
- DBusConnection *connection;
- char *name;
- GSList *callbacks;
-};
-
-static struct name_data *name_data_find(DBusConnection *connection,
- const char *name)
-{
- GSList *current;
-
- for (current = name_listeners;
- current != NULL; current = current->next) {
- struct name_data *data = current->data;
-
- if (name == NULL && data->name == NULL) {
- if (connection == data->connection)
- return data;
- } else {
- if (strcmp(name, data->name) == 0)
- return data;
- }
- }
-
- return NULL;
-}
-
-static struct name_callback *name_callback_find(GSList *callbacks,
- name_cb_t func, void *user_data)
-{
- GSList *current;
-
- for (current = callbacks; current != NULL; current = current->next) {
- struct name_callback *cb = current->data;
- if (cb->func == func && cb->user_data == user_data)
- return cb;
- }
-
- return NULL;
-}
-
-static void name_data_call_and_free(struct name_data *data)
-{
- GSList *l;
-
- for (l = data->callbacks; l != NULL; l = l->next) {
- struct name_callback *cb = l->data;
- if (cb->func)
- cb->func(data->name, cb->user_data);
- g_free(cb);
- }
-
- g_slist_free(data->callbacks);
- g_free(data->name);
- g_free(data);
-}
-
-static void name_data_free(struct name_data *data)
-{
- GSList *l;
-
- for (l = data->callbacks; l != NULL; l = l->next)
- g_free(l->data);
-
- g_slist_free(data->callbacks);
- g_free(data->name);
- g_free(data);
-}
-
-static int name_data_add(DBusConnection *connection, const char *name,
- name_cb_t func, void *user_data, guint id)
-{
- int first = 1;
- struct name_data *data = NULL;
- struct name_callback *cb = NULL;
-
- cb = g_new(struct name_callback, 1);
-
- cb->func = func;
- cb->user_data = user_data;
- cb->id = id;
-
- data = name_data_find(connection, name);
- if (data) {
- first = 0;
- goto done;
- }
-
- data = g_new0(struct name_data, 1);
-
- data->connection = connection;
- data->name = g_strdup(name);
-
- name_listeners = g_slist_append(name_listeners, data);
-
-done:
- data->callbacks = g_slist_append(data->callbacks, cb);
- return first;
-}
-
-static void name_data_remove(DBusConnection *connection,
- const char *name, name_cb_t func, void *user_data)
-{
- struct name_data *data;
- struct name_callback *cb = NULL;
-
- data = name_data_find(connection, name);
- if (!data)
- return;
-
- cb = name_callback_find(data->callbacks, func, user_data);
- if (cb) {
- data->callbacks = g_slist_remove(data->callbacks, cb);
- g_free(cb);
- }
-
- if (!data->callbacks) {
- name_listeners = g_slist_remove(name_listeners, data);
- name_data_free(data);
- }
-}
-
-static gboolean add_match(DBusConnection *connection, const char *name)
-{
- DBusError err;
- char match_string[128];
-
- snprintf(match_string, sizeof(match_string),
- "interface=%s,member=NameOwnerChanged,arg0=%s",
- DBUS_INTERFACE_DBUS, name);
-
- dbus_error_init(&err);
-
- dbus_bus_add_match(connection, match_string, &err);
-
- if (dbus_error_is_set(&err)) {
- error("Adding match rule \"%s\" failed: %s", match_string,
- err.message);
- dbus_error_free(&err);
- return FALSE;
- }
-
- return TRUE;
-}
-
-static gboolean remove_match(DBusConnection *connection, const char *name)
-{
- DBusError err;
- char match_string[128];
-
- snprintf(match_string, sizeof(match_string),
- "interface=%s,member=NameOwnerChanged,arg0=%s",
- DBUS_INTERFACE_DBUS, name);
-
- dbus_error_init(&err);
-
- dbus_bus_remove_match(connection, match_string, &err);
-
- if (dbus_error_is_set(&err)) {
- error("Removing owner match rule for %s failed: %s",
- name, err.message);
- dbus_error_free(&err);
- return FALSE;
- }
-
- return TRUE;
-}
-
-static DBusHandlerResult name_exit_filter(DBusConnection *connection,
- DBusMessage *message, void *user_data)
-{
- GSList *l;
- struct name_data *data;
- char *name, *old, *new;
-
- if (!dbus_message_is_signal(message, DBUS_INTERFACE_DBUS,
- "NameOwnerChanged"))
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-
- if (!dbus_message_get_args(message, NULL,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &old,
- DBUS_TYPE_STRING, &new,
- DBUS_TYPE_INVALID)) {
- error("Invalid arguments for NameOwnerChanged signal");
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- }
-
- /* We are not interested of service creations */
- if (*new != '\0')
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-
- data = name_data_find(connection, name);
- if (!data) {
- error("Got NameOwnerChanged signal for %s which has no listeners", name);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- }
-
- for (l = data->callbacks; l != NULL; l = l->next) {
- struct name_callback *cb = l->data;
- cb->func(name, cb->user_data);
- }
-
- name_listeners = g_slist_remove(name_listeners, data);
- name_data_free(data);
-
- remove_match(connection, name);
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-guint name_listener_add(DBusConnection *connection, const char *name,
- name_cb_t func, void *user_data)
-{
- int first;
-
- if (!listener_id) {
- if (!dbus_connection_add_filter(connection,
- name_exit_filter, NULL, NULL)) {
- error("dbus_connection_add_filter() failed");
- return 0;
- }
- }
-
- listener_id++;
- first = name_data_add(connection, name, func, user_data, listener_id);
- /* The filter is already added if this is not the first callback
- * registration for the name */
- if (!first)
- return listener_id;
-
- if (name) {
- debug("name_listener_add(%s)", name);
-
- if (!add_match(connection, name)) {
- name_data_remove(connection, name, func, user_data);
- return 0;
- }
- }
-
- return listener_id;
-}
-
-int name_listener_remove(DBusConnection *connection, const char *name,
- name_cb_t func, void *user_data)
-{
- struct name_data *data;
- struct name_callback *cb;
-
- data = name_data_find(connection, name);
- if (!data) {
- error("remove_name_listener: no listener for %s", name);
- return -1;
- }
-
- cb = name_callback_find(data->callbacks, func, user_data);
- if (!cb) {
- error("No matching callback found for %s", name);
- return -1;
- }
-
- data->callbacks = g_slist_remove(data->callbacks, cb);
- g_free(cb);
-
- /* Don't remove the filter if other callbacks exist */
- if (data->callbacks)
- return 0;
-
- if (name) {
- debug("name_listener_remove(%s)", name);
-
- if (!remove_match(connection, name))
- return -1;
- }
-
- name_data_remove(connection, name, func, user_data);
-
- return 0;
-}
-
-gboolean name_listener_id_remove(guint id)
-{
- struct name_data *data;
- struct name_callback *cb;
- GSList *ldata, *lcb;
-
- for (ldata = name_listeners; ldata; ldata = ldata->next) {
- data = ldata->data;
- for (lcb = data->callbacks; lcb; lcb = lcb->next) {
- cb = lcb->data;
- if (cb->id == id)
- goto remove;
- }
- }
-
- return FALSE;
-
-remove:
- data->callbacks = g_slist_remove(data->callbacks, cb);
- g_free(cb);
-
- /* Don't remove the filter if other callbacks exist */
- if (data->callbacks)
- return TRUE;
-
- if (data->name) {
- if (!remove_match(data->connection, data->name))
- return FALSE;
- }
-
- name_listeners = g_slist_remove(name_listeners, data);
- name_data_free(data);
-
- return TRUE;
-}
-
-int name_listener_indicate_disconnect(DBusConnection *connection)
-{
- struct name_data *data;
-
- data = name_data_find(connection, NULL);
- if (!data) {
- error("name_listener_indicate_disconnect: no listener found");
- return -1;
- }
-
- debug("name_listener_indicate_disconnect");
-
- name_data_call_and_free(data);
-
- return 0;
-}
diff --git a/common/dbus.h b/common/dbus.h
deleted file mode 100644
index 5976a479..00000000
--- a/common/dbus.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- *
- * BlueZ - Bluetooth protocol stack for Linux
- *
- * 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
- *
- */
-
-#ifndef __H_BLUEZ_DBUS_H__
-#define __H_BLUEZ_DBUS_H__
-
-#include <dbus/dbus.h>
-#include <glib.h>
-
-typedef void (*name_cb_t)(const char *name, void *user_data);
-
-guint name_listener_add(DBusConnection *connection, const char *name,
- name_cb_t func, void *user_data);
-int name_listener_remove(DBusConnection *connection, const char *name,
- name_cb_t func, void *user_data);
-gboolean name_listener_id_remove(guint id);
-int name_listener_indicate_disconnect(DBusConnection *connection);
-
-static inline DBusHandlerResult send_message_and_unref(DBusConnection *conn, DBusMessage *msg)
-{
- if (msg) {
- dbus_connection_send(conn, msg, NULL);
- dbus_message_unref(msg);
- }
-
- return DBUS_HANDLER_RESULT_HANDLED;
-}
-
-#endif /* __H_BLUEZ_DBUS_H__ */