+/*
+ * deviced
+ *
+ * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <errno.h>
+#include <string.h>
+
+#include "shared/log.h"
+#include "dbus-system.h"
+
+/* 10 seconds */
+#define DBUS_REPLY_TIMEOUT (10000)
+
+int check_systemd_active(void)
+{
+ int ret = FALSE;
+ GVariant *msg = NULL;
+ GVariant *var = NULL;
+ char *state;
+
+ _I("%s %s", "org.freedesktop.systemd1.Unit", "ActiveState");
+
+ msg = dbus_handle_method_sync_with_reply_var("org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1/unit/default_2etarget",
+ "org.freedesktop.DBus.Properties",
+ "Get",
+ g_variant_new("(ss)", "org.freedesktop.systemd1.Unit", "ActiveState"));
+ if (!msg)
+ return -EBADMSG;
+
+ if (!dh_get_param_from_var(msg, "(v)", &var)) {
+ _E("reply is not variant type");
+ ret = -EBADMSG;
+ goto out;
+ }
+ if (!dh_get_param_from_var(var, "(s)", &state)) {
+ _E("variant doesn't have string (%s)", g_variant_get_type_string(var));
+ ret = -EBADMSG;
+ goto out;
+ }
+
+ if (strncmp(state, "active", 6) == 0)
+ ret = TRUE;
+
+ g_free(state);
+out:
+ if (var)
+ g_variant_unref(var);
+ if (msg)
+ g_variant_unref(msg);
+
+ return ret;
+}
+
+static GBusType g_default_bus_type = G_BUS_TYPE_SYSTEM;
+pthread_mutex_t g_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+void dbus_handle_set_default_bus_type(GBusType bus_type)
+{
+ if (bus_type != G_BUS_TYPE_SYSTEM && bus_type != G_BUS_TYPE_SESSION)
+ return ;
+
+ pthread_mutex_lock(&g_mutex);
+ g_default_bus_type = bus_type;
+ pthread_mutex_unlock(&g_mutex);
+}
+
+GBusType dbus_handle_get_default_bus_type(void)
+{
+ GBusType type;
+
+ pthread_mutex_lock(&g_mutex);
+ type = g_default_bus_type;
+ pthread_mutex_unlock(&g_mutex);
+
+ return type;
+}
+
+typedef struct {
+ const char *bus_name;
+ guint id;
+} dbus_name;
+
+/* basic information */
+typedef struct {
+ GDBusConnection *conn;
+ GBusType bus_type;
+ gboolean priv;
+ GList *list_names; /* dbus_name */
+ GList *list_object; /* dbus_object_handle_s */
+ pthread_mutex_t mutex;
+} dbus_handle_s;
+
+/* path + interfaces */
+typedef struct {
+ dbus_handle_s *dh; /* dbus handle */
+ const char *path; /* object path */
+ GList *list_ifaces; /* dbus_interface_s */
+} dbus_object_handle_s;
+
+typedef struct {
+ dbus_object_handle_s *oh; /* object handle */
+ const char *name; /* interface name */
+ GList *list_methods; /* const dbus_method_s */
+ guint reg_id;
+ int modified;
+} dbus_interface_s;
+
+#define get_dh_from_oh(oh) ((dbus_object_handle_s*)oh)->dh
+
+/* global shared bus : system, session */
+static dbus_handle_s g_dh[2];
+
+static dbus_handle_s *_dbus_handle_get_connection(GBusType bus_type);
+
+dbus_handle_s * _dbus_handle_get_default_connection(void)
+{
+ return _dbus_handle_get_connection(dbus_handle_get_default_bus_type());
+}
+
+#define dbus_handle_lock(handle) do {\
+ assert(handle);\
+ pthread_mutex_lock(&((handle)->mutex));\
+} while (0);
+
+#define dbus_handle_unlock(handle) do {\
+ assert(handle);\
+ pthread_mutex_unlock(&(handle)->mutex);\
+} while (0);
+
+#define dcl_dbus_handle() dbus_handle_s *dh = (dbus_handle_s *)handle;
+#define dcl_dbus_handle_null_check() dbus_handle_s *dh = (dbus_handle_s *)handle;\
+ if (!dh) {\
+ _E("dbus handle is null\n");\
+ return 0;\
+ }
+
+dbus_object_handle_s * _dbus_handle_lookup_object(GList *list_obj, const char *obj_path);
+dbus_interface_s * _dbus_handle_lookup_interface(GList *list_iface, const char *iface_name);
+dbus_method_s * _dbus_handle_lookup_method(GList *list_methods, const char *method_name);
+static GVariant* _append_variant(const char *signature, const char *param[]);
+
+dbus_interface_s *_iface_u_to_s(const dbus_interface_u *iface_u)
+{
+ dbus_interface_s *iface = NULL;
+
+ if (!iface_u || !iface_u->methods) {
+ _E("param is null");
+ return NULL;
+ }
+
+ iface = (dbus_interface_s *)calloc(1, sizeof(dbus_interface_s));
+ if (!iface) {
+ _E("failed to calloc");
+ return NULL;
+ }
+
+ iface->name = iface_u->name;
+ iface->modified = TRUE;
+
+ for (int i = 0 ; i < iface_u->nr_methods; ++i) {
+ //_D("attached %s:%p", iface_u->methods[i].member, iface_u->methods[i].func);
+ iface->list_methods = g_list_prepend(iface->list_methods, (void*)(iface_u->methods + i));
+ }
+
+ return iface;
+}
+
+static GDBusConnection * _get_bus(GBusType bus_type)
+{
+ GDBusConnection *conn = NULL;
+ GError *err = NULL;
+
+ if (bus_type != G_BUS_TYPE_SYSTEM && bus_type != G_BUS_TYPE_SESSION) {
+ _E("Wrong bus_type %d", bus_type);
+ return NULL;
+ }
+
+ conn = g_bus_get_sync(bus_type, NULL, &err);
+ if (!conn || err) {
+ _E("failed to get bus:type:%d, %s\n", bus_type, err->message);
+ g_error_free(err);
+ return NULL;
+ }
+
+ return conn;
+}
+
+static GDBusConnection * _get_bus_private(GBusType bus_type)
+{
+ GError *err = NULL;
+ GDBusConnection *conn = NULL;
+ const char * address;
+
+ if (bus_type != G_BUS_TYPE_SYSTEM && bus_type != G_BUS_TYPE_SESSION) {
+ _E("Wrong bus_type %d", bus_type);
+ return NULL;
+ }
+
+ address = g_dbus_address_get_for_bus_sync(bus_type, NULL, &err);
+ if (!address || err) {
+ _E("failed to get bus address\n");
+ g_error_free(err);
+ return NULL;
+ }
+
+ conn = g_dbus_connection_new_for_address_sync(address,
+ (GDBusConnectionFlags) (G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT |
+ G_DBUS_CONNECTION_FLAGS_MESSAGE_BUS_CONNECTION),
+ NULL, /* GDBusAuthObserver */
+ NULL,
+ &err);
+ if (!conn || err) {
+ _E("failed to get private bus\n");
+ g_error_free(err);
+ return NULL;
+ }
+
+ return conn;
+}
+
+/* ref cout is 1 */
+static dbus_handle_s *_dbus_handle_get_connection(GBusType bus_type)
+{
+ int ibus = bus_type - 1;
+ dbus_handle_s *dh = NULL;
+
+ if (bus_type != G_BUS_TYPE_SYSTEM && bus_type != G_BUS_TYPE_SESSION) {
+ _E("Unknown bus type %d", bus_type);
+ return NULL;
+ }
+ dh = &g_dh[ibus];
+
+ dbus_handle_lock(dh);
+
+ if (!dh->conn) {
+ dh->conn = _get_bus(bus_type);
+ dh->priv = FALSE;
+ dh->bus_type = bus_type;
+ if (!dh->conn)
+ dh = NULL;
+ }
+
+ dbus_handle_unlock(dh);
+
+ return dh;
+}
+
+/* ref cout is 1 */
+static dbus_handle_s *_dbus_handle_get_connection_private(GBusType bus_type)
+{
+ dbus_handle_s * dh;
+
+ if (bus_type != G_BUS_TYPE_SYSTEM && bus_type != G_BUS_TYPE_SESSION) {
+ _E("Unknown bus type %d", bus_type);
+ return NULL;
+ }
+
+ dh = (dbus_handle_s *)calloc(1, sizeof(dbus_handle_s));
+ if (!dh) {
+ _E("failed to allocate memory for dbus handle");
+ return NULL;
+ }
+
+ dbus_handle_lock(dh);
+
+ if (!dh->conn) {
+ dh->conn = _get_bus_private(bus_type);
+ dh->bus_type = bus_type;
+ if (!dh->conn)
+ goto err;
+ }
+
+ dbus_handle_unlock(dh);
+
+ return dh;
+err:
+ if (dh) {
+ dbus_handle_unlock(dh);
+ free(dh);
+ }
+ return NULL;
+}
+
+dbus_handle_h dbus_handle_get_connection(GBusType bus_type, gboolean priv)
+{
+ dbus_handle_s *dh = NULL;
+
+ if (bus_type != G_BUS_TYPE_SYSTEM && bus_type != G_BUS_TYPE_SESSION) {
+ _E("Wrong bus_type %d\n", bus_type);
+ return dh;
+ }
+
+ /* private */
+ if (priv)
+ dh = _dbus_handle_get_connection_private(bus_type);
+ /* shared */
+ else
+ dh = _dbus_handle_get_connection(bus_type);
+
+ return dh;
+}
+
+static void _dbus_handle_add_bus_name(dbus_handle_s *handle, const char *name, guint id)
+{
+ dbus_name *dn = NULL;
+ int locked = 0;
+
+ if (!handle || !name || !id)
+ return ;
+
+ dn = (dbus_name*)calloc(1, sizeof(dbus_name));
+ if (!dn) {
+ _E("failed to calloc");
+ assert(0);
+ }
+ dn->bus_name = name;
+ dn->id = id;
+
+ // todo : delete lock ?
+ locked = pthread_mutex_trylock(&handle->mutex);
+ if (locked != 0 && locked != EBUSY) {
+ _E("failed to lock %d\n", locked);
+ assert(0);
+ }
+
+ handle->list_names = g_list_prepend(handle->list_names, dn);
+
+ // todo : delete lock ?
+ if (locked != EBUSY)
+ dbus_handle_unlock(handle);
+}
+
+static gint _compare_dbus_name(gconstpointer a, gconstpointer b)
+{
+ const char *bus_name = ((dbus_name *)a)->bus_name;
+ if (!bus_name || !b)
+ return -1;
+ return strcmp(bus_name, (const char *)b);
+}
+
+dbus_name * _dbus_handle_lookup_dbus_name(GList *list_name, const char *bus_name)
+{
+ if (!list_name || !bus_name)
+ return NULL;
+
+ GList *item = g_list_find_custom(list_name, bus_name, _compare_dbus_name);
+ if (!item)
+ return NULL;
+
+ return (dbus_name *)item->data;
+}
+
+#define dh_to_ds(x) ((dbus_handle_s*)x)
+
+/* remove dbus_name from dbus handle */
+static void _dbus_handle_remove_bus_name(dbus_handle_s *handle, const char *bus_name)
+{
+ dcl_dbus_handle();
+ dbus_name *dn = NULL;
+
+ if (!bus_name) {
+ _E("wrong bus_name %s", bus_name);
+ return ;
+ }
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return ;
+ }
+ }
+
+ dbus_handle_lock(dh);
+ dn = _dbus_handle_lookup_dbus_name(dh->list_names, bus_name);
+ if (!dn) {
+ _E("failed to find dbus name %s", bus_name);
+ goto out;
+ }
+ dh->list_names = g_list_remove(dh->list_names, dn);
+ free(dn);
+out:
+ dbus_handle_unlock(dh);
+}
+
+//extern void booting_done(void);
+
+/* default handler */
+static void _name_acquired(GDBusConnection *connection, const gchar *name, gpointer user_data)
+{
+ dbus_handle_s *dh = (dbus_handle_s *)user_data;
+
+ _D("name %s", name);
+
+ if (!dh) {
+ _E("%s:%d:dbus handle is null\n", __func__, __LINE__);
+ return ;
+ }
+
+ // todo: add bus name?
+ //dh->bus_name = name;
+}
+
+/* default handler */
+static void _name_lost(GDBusConnection *connection, const gchar *name, gpointer user_data)
+{
+ _E("%s:%d:%s\n", __func__, __LINE__, name);
+ dbus_handle_s *dh = (dbus_handle_s *)user_data;
+ if (!dh) {
+ _E("%s:%d:dbus handle is null\n", __func__, __LINE__);
+ return ;
+ }
+ _dbus_handle_remove_bus_name(dh, name);
+}
+
+int dbus_handle_request_bus_name(dbus_handle_h handle,
+ const char *bus_name,
+ GBusNameAcquiredCallback acquired_handler,
+ GBusNameLostCallback lost_handler)
+{
+ dcl_dbus_handle();
+ int id = -1;
+ GList *item = NULL;
+
+ if (!bus_name) {
+ _E("bus_name is NULL");
+ return -1;
+ }
+
+ /* get shared connection */
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+ }
+
+ dbus_handle_lock(dh);
+ if (!dh->conn) {
+ _E("failed to register name: connection is null\n");
+ goto out;
+ }
+
+ /* todo : search name on connection */
+ item = g_list_find_custom(dh->list_names, bus_name, _compare_dbus_name);
+ if (item) {
+ id = ((dbus_name*)(item->data))->id;
+ _E("name already exist:%u", id);
+ goto out;
+ }
+
+ id = g_bus_own_name_on_connection(dh->conn,
+ bus_name,
+ G_BUS_NAME_OWNER_FLAGS_NONE,
+ acquired_handler ? acquired_handler : _name_acquired,
+ lost_handler ? lost_handler : _name_lost,
+ dh,
+ NULL);
+ if (!id) {
+ _E("failed to own name:%s\n", bus_name);
+ goto out;
+ }
+
+ _dbus_handle_add_bus_name(dh, bus_name, id);
+
+out:
+ dbus_handle_unlock(dh);
+ return id;
+}
+
+/* !! _name_lost handler callback is disabled by g_bus_unown_name : ubuntu */
+int dbus_handle_release_bus_name(dbus_handle_h handle, const char *bus_name)
+{
+ dcl_dbus_handle();
+ dbus_name *dn = NULL;
+
+ if (!bus_name) {
+ _E("Wrong bus name");
+ return -1;
+ }
+
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+ }
+
+ dn = _dbus_handle_lookup_dbus_name(dh->list_names, bus_name);
+ if (!dn) {
+ _E("failed to find bus_name %s on dbus handle", bus_name);
+ return -1;
+ }
+
+ _E("unown name %d", dn->id);
+ /* _name_lost handler is disabled by g_bus_unown_name : ubuntu */
+ g_bus_unown_name(dn->id);
+
+ dbus_handle_lock(dh);
+ dh->list_names = g_list_remove(dh->list_names, dn);
+ free(dn);
+ dbus_handle_unlock(dh);
+
+ return 0;
+}
+
+int dbus_handle_free_connection(dbus_handle_h handle)
+{
+ dcl_dbus_handle();
+ dbus_handle_s *pdh = NULL;
+ GError *err = NULL;
+ GList *item = NULL;
+
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+ }
+
+ if (!dh->conn) {
+ _E("connection is NULL");
+ return 0;
+ }
+
+ pdh = dh;
+
+ /* disable dbus handler */
+ dbus_handle_lock(dh);
+ if (!pdh->conn) {
+ _E("conn is null");
+ free(pdh);
+ return 0;
+ }
+
+ /* flush everything */
+ if (!g_dbus_connection_flush_sync(pdh->conn, NULL, &err)) {
+ _E("failed to flush %s\n", err->message);
+ g_error_free(err);
+ err = NULL;
+ }
+
+ _D("list_names %u", g_list_length(pdh->list_names));
+
+ /* unown every well-knwon name */
+ if (pdh->list_names) {
+ dbus_name *dn = NULL;
+ for (item = g_list_first(pdh->list_names); item != NULL; item = g_list_next(item)) {
+ dn = (dbus_name *)item->data;
+ if (!dn)
+ continue;
+
+ /* _name_lost handler is disabled by g_bus_unown_name : ubuntu */
+ _D("unown name id : %u", dn->id);
+ g_bus_unown_name(dn->id);
+ free(dn);
+ }
+ g_list_free(pdh->list_names);
+ pdh->list_names = NULL;
+ }
+
+ _D("list_object %u", g_list_length(pdh->list_object));
+
+ /* unregister every object */
+ if (pdh->list_object) {
+ dbus_object_handle_s * oh = NULL;
+ //g_list_foreach(pdh->list_object, [] (gpointer data, gpointer user_data) {}, NULL);
+ for (item = g_list_first(pdh->list_object); item != NULL; item = g_list_next(item)) {
+ oh = (dbus_object_handle_s *)item->data;
+ if (!oh || !oh->list_ifaces)
+ continue;
+
+ _D("delete object path %s", oh->path);
+
+ /* unregister every interface, method handles */
+ for (GList *iface = g_list_first(oh->list_ifaces); iface != NULL; iface = g_list_next(iface)) {
+ dbus_interface_s *ih = (dbus_interface_s *)iface->data;
+ if (!ih)
+ continue;
+
+ _D("delete object iface %s", ih->name);
+
+ if (ih->reg_id)
+ g_dbus_connection_unregister_object(pdh->conn, ih->reg_id);
+ }
+ }
+ }
+
+ /* close connection */
+ if (pdh->priv) {
+ _E("close private connection\n");
+
+ if (!g_dbus_connection_close_sync(pdh->conn, NULL, &err)) {
+ _E("Error closing connection %s\n", err->message);
+ g_error_free(err);
+ err = NULL;
+ }
+ }
+
+ /* _free_func_object callback free the data */
+ //assert(g_list_length(pdh->list_names) == 0);
+ //assert(g_list_length(pdh->list_object) == 0);
+
+ g_object_unref(pdh->conn);
+
+ dbus_handle_unlock(dh);
+
+ if (dh->priv)
+ free(dh);
+
+ return 0;
+
+ // todo: signal ?
+}
+
+#define buf_cal_free_space(size, nwrite) ((size - nwrite - 1) > 0 ? (size - nwrite - 1) : 0)
+#define buf_block_size 8192
+
+#define buf_check_space_realloc(buf, nwrite, buf_len) do {\
+ if ((nwrite >= buf_len - 1024)) {\
+ if (buf_len >= buf_block_size * 10) {\
+ _E("buf is too big to allocate. %d", buf_len);\
+ } else {\
+ _E("buf_check_space_realloc");\
+ char *tmp = NULL;\
+ buf_len += buf_block_size;\
+ tmp = (char *)realloc(buf, buf_len);\
+ if (!tmp) {\
+ _E("failed to realloc");\
+ } else\
+ buf = tmp;\
+ } \
+ } \
+} while (0);
+
+/* cal index of end of brace */
+static int _check_brace(const char * expr)
+{
+ int len = 0;
+ char qu[128];
+ int qucnt = 0;
+
+ if (!expr)
+ return -1;
+
+ len = strlen(expr);
+
+ if (expr[0] != '(' && expr[0] != '{')
+ return -1;
+
+ for (int i = 0 ; i < len; ++i) {
+
+ if (expr[i] == '(' || expr[i] == '{') {
+ qu[qucnt++] = expr[i];
+ if (qucnt >= sizeof(qu)) {
+ _E("queue is too large. %s", expr);
+ return -1;
+ }
+ continue;
+ }
+
+ if (expr[i] == ')' || expr[i] == '}') {
+ char ch;
+
+ if (qucnt > 0)
+ ch = qu[qucnt-1];
+ else
+ return -1;
+
+ if (expr[i] == ')') {
+ if (ch == '(') {
+ --qucnt;
+ } else
+ return -1;
+ } else if (expr[i] == '}') {
+ if (ch == '{') {
+ --qucnt;
+ } else
+ return -1;
+ } else
+ return -1;
+
+ if (qucnt == 0) {
+ return i + 1;
+ }
+ }
+ }
+
+ return -1;
+}
+
+/*
+in : interface_s
+out : xml format
+*/
+static int _get_xml_from_interfaces(char **xml, const dbus_interface_s *interfaces)
+{
+ int nwrite = 0;
+ int len_args;
+ char *buf = NULL;
+ const dbus_method_s *pmethod;
+ int buf_len = buf_block_size;
+
+ if (!interfaces) {
+ _E("interfaces is null");
+ return -1;
+ }
+
+ // todo : check dbus naming rule for interface name. ?
+ if (!interfaces->name) {
+ _E("wrong interface name");
+ return -1;
+ }
+ if (!interfaces->list_methods) {
+ _E("no methods");
+ return -1;
+ }
+
+ buf = (char *)malloc(buf_len);
+ if (!buf) {
+ _E("buf is null. not enough memory\n");
+ return -1;
+ }
+
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "<node>""\n""\t""<interface name='%s'>""\n", interfaces->name);
+
+ /* members */
+ for (GList *item = g_list_first(interfaces->list_methods); item != NULL; item = g_list_next(item)) {
+ pmethod = (const dbus_method_s *)item->data;
+ if (!pmethod)
+ continue;
+
+ /* check free space of buf */
+ buf_check_space_realloc(buf, nwrite, buf_len);
+
+ if (pmethod->signature_in == NULL && pmethod->signature_out == NULL) {
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "\t\t""<method name='%s'/>""\n", pmethod->member);
+ continue;
+ }
+
+ /* <method name='###'> */
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "\t\t""<method name='%s'>""\n", pmethod->member);
+
+ /* in args */
+ len_args = pmethod->signature_in ? strlen(pmethod->signature_in) : 0;
+ for (int m = 0; m < len_args; ++m) {
+ // todo
+ // array a(), as, ay ?
+ if (pmethod->signature_in[m] == 'a') {
+ int ei; //end index
+ ei = _check_brace(pmethod->signature_in + m + 1);
+ if (ei > 0) {
+ char tmp[128] = {0,};
+ strncpy(tmp, pmethod->signature_in + m, ei + 1);
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "\t\t\t""<arg type='%s' name='arg%d' direction='in'/>""\n", tmp, m);
+ m += ei;
+ continue;
+ } else {
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "\t\t\t""<arg type='%c%c' name='arg%d' direction='in'/>""\n", pmethod->signature_in[m], pmethod->signature_in[m+1], m);
+ m += 1;
+ continue;
+ }
+ }
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "\t\t\t""<arg type='%c' name='arg%d' direction='in'/>""\n", pmethod->signature_in[m], m);
+ }
+
+ /* out args */
+ len_args = pmethod->signature_out ? strlen(pmethod->signature_out) : 0;
+ for (int m = 0; m < len_args; ++m) {
+ // array
+ // todo: container type
+ if (pmethod->signature_out[m] == 'a') {
+ int ei; //end index
+ ei = _check_brace(pmethod->signature_out + m + 1);
+ if (ei > 0) {
+ char tmp[128] = {0,};
+ strncpy(tmp, pmethod->signature_out + m, ei + 1);
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "\t\t\t""<arg type='%s' name='arg%d' direction='out'/>""\n", tmp, m);
+ m += ei;
+ continue;
+ } else {
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "\t\t\t""<arg type='%c%c' name='arg%d' direction='out'/>""\n", pmethod->signature_out[m], pmethod->signature_out[m+1], m);
+ m += 1;
+ continue;
+ }
+ }
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "\t\t\t""<arg type='%c' name='arg%d' direction='out'/>""\n", pmethod->signature_out[m], m);
+ }
+
+ /* </method> */
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "\t\t""</method>""\n");
+ }
+
+ nwrite += snprintf(buf + nwrite, buf_cal_free_space(buf_len, nwrite), "\t""</interface>""\n""</node>""");
+
+ *xml = buf;
+
+ /* todo: delete log */
+#if 0
+ if (nwrite <= 512)
+ _E("%s", buf);
+ else
+ _E("%s", buf + nwrite - 512);
+#endif
+ return 0;
+}
+
+static gint _compare_dbus_object(gconstpointer a, gconstpointer b)
+{
+ dbus_object_handle_s * pa = (dbus_object_handle_s *)a;
+ if (!pa->path || !((const char*)b))
+ return -1;
+ return strcmp(pa->path, (const char*)b);
+}
+
+static gint _compare_dbus_interface(gconstpointer a, gconstpointer b)
+{
+ dbus_interface_s * pa = (dbus_interface_s *)a;
+ if (!pa->name || !((const char*)b))
+ return -1;
+ return strcmp(pa->name, (const char*)b);
+}
+
+static gint _compare_dbus_interface_by_id(gconstpointer a, gconstpointer b)
+{
+ dbus_interface_s * pa = (dbus_interface_s *)a;
+ if (!pa->reg_id || !((guint*)b))
+ return -1;
+ return !(pa->reg_id == *((guint*)b));
+}
+
+static gint _compare_dbus_method(gconstpointer a, gconstpointer b)
+{
+ dbus_method_s *pa = (dbus_method_s*)a;
+ if (!pa->member || !((const char*)b))
+ return -1;
+ return strcmp(pa->member, (const char*)b);
+}
+
+dbus_object_handle_s * _dbus_handle_lookup_object(GList *list_obj, const char *obj_path)
+{
+ if (!list_obj || !obj_path)
+ return NULL;
+
+ GList *item = g_list_find_custom(list_obj, obj_path, _compare_dbus_object);
+ if (!item)
+ return NULL;
+
+ return (dbus_object_handle_s *)item->data;
+}
+
+dbus_interface_s * _dbus_handle_lookup_interface(GList *list_iface, const char *iface_name)
+{
+ if (!list_iface || !iface_name)
+ return NULL;
+
+ GList *item = g_list_find_custom(list_iface, iface_name, _compare_dbus_interface);
+ if (!item)
+ return NULL;
+
+ return (dbus_interface_s *)item->data;
+}
+
+dbus_interface_s * _dbus_handle_lookup_interface_by_id(GList *list_iface, guint id)
+{
+ if (!list_iface || !id)
+ return NULL;
+
+ GList *item = g_list_find_custom(list_iface, &id, _compare_dbus_interface_by_id);
+ if (!item)
+ return NULL;
+
+ return (dbus_interface_s *)item->data;
+}
+
+dbus_method_s * _dbus_handle_lookup_method(GList *list_methods, const char *method_name)
+{
+ if (!list_methods || !method_name)
+ return NULL;
+
+ GList *item = g_list_find_custom(list_methods, method_name, _compare_dbus_method);
+ if (!item)
+ return NULL;
+
+ return (dbus_method_s *)item->data;
+}
+
+static void _free_func_object(gpointer data)
+{
+ dbus_interface_s *ih = (dbus_interface_s *)data;
+ dbus_object_handle_s *oh = NULL;
+
+ if (!ih) {
+ _E("interface handle is null");
+ assert(0); // something wrong
+ return ;
+ }
+
+ _E("unregister interface %s", ih->name);
+
+ /* just free list, not data(static dbus_method_s) */
+ g_list_free(ih->list_methods);
+
+ oh = ih->oh;
+ if (!oh) {
+ _E("object handle is null");
+ assert(0); // something wrong
+ return ;
+ }
+
+ /* remove ih from list_ifaces */
+ oh->list_ifaces = g_list_remove(oh->list_ifaces, ih);
+
+ /* interface_s is copy of interface_u */
+ free(ih);
+
+ /* remove oh from list_object */
+ if (!oh->list_ifaces) {
+ oh->dh->list_object = g_list_remove(oh->dh->list_object, oh);
+ free(oh);
+ }
+}
+
+static int _dbus_handle_attach_object(dbus_handle_s *dh, const char *obj_path, dbus_interface_s *iface)
+{
+ dbus_object_handle_s *oh = NULL;
+
+ if (!dh || !obj_path || !iface) {
+ _E("failed to attache object. wrong parameter");
+ return -1;
+ }
+
+ /* find object handle */
+ if (dh->list_object)
+ oh = _dbus_handle_lookup_object(dh->list_object, obj_path);
+
+ if (!oh) {
+ oh = (dbus_object_handle_s*)calloc(1, sizeof(dbus_object_handle_s));
+ if (!oh) {
+ _E("failed to calloc");
+ return -1;
+ }
+ oh->dh = dh;
+ oh->path = obj_path;
+
+ /* attach object */
+ dh->list_object = g_list_prepend(dh->list_object, oh);
+ }
+
+ iface->oh = oh;
+ /* attach interface */
+ oh->list_ifaces = g_list_prepend(oh->list_ifaces, iface);
+
+ return 0;
+}
+
+/*
+_method_call_handler
+
+libgio verify path and interface of incoming message.
+--> just check method name.
+
+# parameters - member of invocation struct
+every parameters of this function are member of GDBusMethodInvocation *invocation.
+There are no reason to using g_dbus_method_invocation_get_* apis to get inforamtion from message.
+just use params - sender, path, iface, name and param.
+
+
+# user defined handler #
+
+1. synchronous handling
+ 1) with return value
+ handler() {
+ return g_variant_new("(i)", ret);
+ }
+
+ 2) without return value
+ handler() {
+ return dbus_handle_new_g_variant_tuple(); // g_variant_new_tuple(NULL, 0)
+ }
+
+2. asynchronous handling
+ handler MUST call 'g_dbus_method_invocation_return_value' itself. otherwise, LEAK !!
+
+ handler() {
+ return NULL;
+ }
+
+ # if handler return NULL, assume asynchronous handling. do nothing.
+
+ thread() {
+ do something;
+
+ 1) with return value
+ g_dbus_method_invocation_return_value(invocation, g_variant_new("(i)", ret));
+
+ 2) without return value
+ g_dbus_method_invocation_return_value(invocation, NULL);
+ }
+
+
+*/
+static void _method_call_handler(GDBusConnection *conn,
+ const gchar *sender,
+ const gchar *path,
+ const gchar *iface,
+ const gchar *name,
+ GVariant *param,
+ GDBusMethodInvocation *invocation,
+ gpointer user_data)
+{
+ dbus_interface_s *iface_s = (dbus_interface_s *)user_data;
+ const dbus_method_s *methods;
+ GVariant *result = NULL;
+
+ /* todo: ghash ? */
+ methods = _dbus_handle_lookup_method(iface_s->list_methods, name);
+ if (methods) {
+ result = methods->func(conn, sender, path, iface, name, param, invocation, get_dh_from_oh(iface_s->oh));
+
+ /* async, maybe they will reply...maybe.. */
+ if (!result)
+ return;
+ } else {
+ _E("no methods");
+ }
+
+ g_dbus_method_invocation_return_value(invocation, result);
+}
+
+static GDBusInterfaceVTable path_vtable = {_method_call_handler};
+
+
+/*
+before register object, attach object into dbus handle
+_dbus_handle_attach_object()
+*/
+static int _dbus_handle_register_dbus_object(dbus_handle_h handle, const char *obj_path, dbus_interface_s *iface)
+{
+ dcl_dbus_handle();
+ int ret = 0;
+ char *buf = NULL;
+ GError *err = NULL;
+ GDBusNodeInfo * nodeinfo = NULL;
+ GDBusInterfaceInfo *ifaceinfo = NULL;
+
+ if (!obj_path || !iface) {
+ _E("wrong parameter\n");
+ return -1;
+ }
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+ }
+ if (!dh->conn) {
+ _E("connection is null\n");
+ return -1;
+ }
+
+ ret = _get_xml_from_interfaces(&buf, iface);
+ if (ret < 0) {
+ _E("failed to make xml format");
+ goto err;
+ }
+
+ /* todo: delete this */
+#if 0
+ if (strlen(buf) <= 512) {
+ _E("%s", buf);
+ } else {
+ _E("%s", buf + strlen(buf) - 512);
+ }
+#endif
+
+ nodeinfo = g_dbus_node_info_new_for_xml(buf, &err);
+ if (!nodeinfo || err) {
+ _E("failed to make introspection data:err:%s:xml:%s\n", err->message, buf);
+ ret = -1;
+ goto err;
+ }
+
+ ifaceinfo = g_dbus_node_info_lookup_interface(nodeinfo, iface->name);
+ if (!ifaceinfo) {
+ _E("failed to g_dbus_node_info_lookup_interface");
+ ret = -1;
+ goto err;
+ }
+
+ /*
+ path own single interface
+ if interface is already registered, then failed.
+ g_dbus_connection_register_object ref(ifaceinfo) now, unref if object is unregistered
+ */
+ ret = g_dbus_connection_register_object(dh->conn,
+ obj_path,
+ ifaceinfo/*ref 2*/,
+ &path_vtable,
+ (void*)iface,
+ _free_func_object,
+ &err);
+ if (err) {
+ _E("failed to register object:err:%s:\n", err->message);
+ ret = -1;
+ goto err;
+ }
+
+ iface->reg_id = ret;
+ iface->modified = FALSE;
+
+err:
+ /* todo: detach object */
+ //_dbus_handle_detach_object(dh, obj_path, iface);
+ /* attach interface before register object */
+ /*ret = _dbus_handle_detach_object(dh, obj_path, iface);
+ if (ret < 0) {
+ _E("failed to attach object");
+ goto err;
+ }*/
+
+ if (nodeinfo)
+ g_dbus_node_info_unref(nodeinfo);
+ if (buf)
+ free(buf);
+ if (err)
+ g_error_free(err);
+
+ return ret;
+}
+
+/*
+register same interface at once
+
+if interface is constructed by multiple methods,
+also it is not possible to make methods struct at once,
+
+use dbus_handle_add_dbus_object(), dbus_handle_register_dbus_object_all().
+
+return reg_id
+*/
+int dbus_handle_register_dbus_object(dbus_handle_h handle, const char *obj_path, const dbus_interface_u *iface_u)
+{
+ dcl_dbus_handle();
+ int ret = 0;
+ dbus_interface_s *iface = NULL;
+
+ if (!obj_path || !iface_u) {
+ _E("wrong parameter\n");
+ return -1;
+ }
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+ }
+ if (!dh->conn) {
+ _E("connection is null\n");
+ return -1;
+ }
+
+ /* check registered interface */
+ if (dh->list_object) {
+ dbus_object_handle_s *oh = _dbus_handle_lookup_object(dh->list_object, obj_path);
+ if (oh) {
+ dbus_interface_s *ih = _dbus_handle_lookup_interface(oh->list_ifaces, iface_u->name);
+ if (ih) {
+ _E("path %s, interface %s already registered", obj_path, iface_u->name);
+ return -1;
+ }
+ }
+ }
+
+ iface = _iface_u_to_s(iface_u);
+ if (!iface) {
+ _E("failed to _iface_u_to_s");
+ return -1;
+ }
+
+ /* attach interface before register object */
+ ret = _dbus_handle_attach_object(dh, obj_path, iface);
+ if (ret < 0) {
+ _E("failed to attach object");
+ goto err;
+ }
+
+ ret = _dbus_handle_register_dbus_object(dh, obj_path, iface);
+ if (ret <= 0) {
+ _E("failed to register dbus object%d", ret);
+ goto err;
+ }
+err:
+ return ret;
+}
+
+int dbus_handle_unregister_dbus_object(dbus_handle_h handle, const char *obj_path)
+{
+ dcl_dbus_handle();
+ dbus_object_handle_s *oh = NULL;
+ int ret = 0;
+
+ if (!obj_path) {
+ return -1;
+ }
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+ }
+ if (!dh->list_object) {
+ _E("list_object is empty");
+ return 0;
+ }
+
+ oh = _dbus_handle_lookup_object(dh->list_object, obj_path);
+ if (!oh) {
+ _E("no object with name %s", obj_path);
+ return -1;
+ }
+
+ /* unregister every interface of object*/
+ for (GList *item = g_list_first(oh->list_ifaces); item != NULL; item = g_list_next(item)) {
+ dbus_interface_s *ih = item->data;
+ if (!ih) {
+ _E("this is error");
+ assert(0);
+ }
+
+ /* remove ih from list_ifaces */
+ if (!ih->reg_id) {
+ item = g_list_previous(item);
+
+ /* remove and free link */
+ oh->list_ifaces = g_list_remove(oh->list_ifaces, ih);
+
+ /* free list_methods */
+ g_list_free(ih->list_methods);
+
+ /* free data */
+ free(ih);
+ continue;
+ }
+
+ /* unregister object by id */
+ ret = g_dbus_connection_unregister_object(dh->conn, ih->reg_id);
+ if (!ret)
+ _E("failed to unregister object %s, interface %s, regid %d", oh->path, ih->name, ih->reg_id);
+ }
+
+ return 0;
+}
+
+/*
+add object temporarily.
+dbus_handle_register_dbus_object_all register every objects on connection.
+
+return registered method count
+*/
+int dbus_handle_add_dbus_object(dbus_handle_h handle, const char *obj_path, const dbus_interface_u *iface_u)
+{
+ dcl_dbus_handle();
+ dbus_object_handle_s *oh = NULL;
+ dbus_interface_s *ih = NULL;
+ int cnt;
+
+ if (!obj_path || !iface_u) {
+ _E("wrong parameter path %s, iface_u %p\n", obj_path, iface_u);
+ return -1;
+ }
+ if (iface_u && (!iface_u->name || !iface_u->methods)) {
+ _E("wrong parameter path %s, iface_u %p\n", obj_path, iface_u);
+ return -1;
+ }
+
+ cnt = iface_u->nr_methods;
+
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+ }
+
+ if (!dh->conn) {
+ _E("failed to register method. connection is null\n");
+ return -1;
+ }
+
+ /* if there are no object list, just add */
+ if (!dh->list_object) {
+ if (_dbus_handle_attach_object(dh, obj_path, _iface_u_to_s(iface_u))) {
+ _E("failed to attach object");
+ return -1;
+ }
+ goto out;
+ }
+
+ oh = _dbus_handle_lookup_object(dh->list_object, obj_path);
+ /* if there are no matched object, just add */
+ if (!oh) {
+ if (_dbus_handle_attach_object(dh, obj_path, _iface_u_to_s(iface_u))) {
+ _E("failed to attach object");
+ return -1;
+ }
+ goto out;
+ }
+
+ /* this is an error, interface must have one or more item ? */
+ if (!oh->list_ifaces) {
+ _E("error. list_ifaces is null\n");
+ assert(0);
+ goto out;
+ }
+
+ ih = _dbus_handle_lookup_interface(oh->list_ifaces, iface_u->name);
+ /* if there are no matched interface, just add */
+ if (!ih) {
+ if (_dbus_handle_attach_object(dh, obj_path, _iface_u_to_s(iface_u))) {
+ _E("failed to attach object");
+ return -1;
+ }
+ goto out;
+ }
+
+ /* todo:
+ 1. unregister interface
+ 2. update interface and methods
+ 3. register interface
+ */
+ if (ih->reg_id) {
+ _E("interface already registered, ignore new interface");
+ return -1;
+ }
+
+ /* attach new methods */
+ cnt = 0;
+ for (int i = 0; i < iface_u->nr_methods; ++i) {
+ GList *item = g_list_find_custom(g_list_first(ih->list_methods), iface_u->methods[i].member, _compare_dbus_method);
+ if (!item) {
+ //_D("attached %s", iface_u->methods[i].member);
+ ih->list_methods = g_list_prepend(ih->list_methods, (void*)(iface_u->methods + i));
+ ++cnt;
+ }
+ }
+
+ if (cnt)
+ ih->modified = TRUE;
+
+out:
+ /*todo: delete debugging log */
+ //if (dh && dh->list_object)
+ // _D("obj list len %d", g_list_length(dh->list_object));
+ //if (oh && oh->list_ifaces)
+ // _D("iface list len %d", g_list_length(oh->list_ifaces));
+ //if (ih && ih->list_methods)
+ // _D("method list len %d", g_list_length(ih->list_methods));
+
+ return cnt;
+}
+
+int dbus_handle_register_dbus_object_all(dbus_handle_h handle)
+{
+ dcl_dbus_handle();
+ dbus_object_handle_s *oh = NULL;
+ dbus_interface_s *ih = NULL;
+ int ret = 0;
+
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+ }
+ if (!dh->conn) {
+ _E("connection is null\n");
+ return -1;
+ }
+
+ if (!dh->list_object) {
+ _E("obj list is empty");
+ return -1;
+ }
+
+ /*if (dh && dh->list_object)
+ _D("obj list len %d", g_list_length(dh->list_object));*/
+
+ for (GList *item = g_list_first(dh->list_object); item != NULL; item = g_list_next(item)) {
+ oh = (dbus_object_handle_s *)item->data;
+
+ if (!oh) {
+ _E("something wrong");
+ assert(0);
+ }
+ if (!oh->list_ifaces) {
+ _E("path %s: list_ifaces are null", oh->path);
+ goto err;
+ }
+
+ //_D("iface list len %d", g_list_length(oh->list_ifaces));
+
+ for (GList *li = g_list_first(oh->list_ifaces); li != NULL; li = g_list_next(li)) {
+ ih = (dbus_interface_s *)li->data;
+
+ /* if there are no modification, goto next */
+ if (!ih->modified)
+ continue;
+
+ /* todo: if already registered interface, unregister first */
+
+ /*_E("interface %s:", ih->name);
+ if (ih && ih->list_methods)
+ _D("method list len %d", g_list_length(ih->list_methods));*/
+
+ ret = _dbus_handle_register_dbus_object(dh, oh->path, ih);
+ if (ret <= 0)
+ _E("failed to register dbus object%d", ret);
+
+ }
+ }
+ return 0;
+err:
+
+ // todo: delete all updates
+
+ return -1;
+}
+
+static void _free_func_signal(gpointer data)
+{
+ //_D("free signal subscribe");
+}
+
+guint subscribe_dbus_signal(dbus_handle_h handle, const char *path,
+ const char *iface, const char *name,
+ GDBusSignalCallback cb, void *data,
+ destroy_notified free_func)
+{
+ dcl_dbus_handle();
+
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return 0;
+ }
+ }
+
+ if (!dh->conn) {
+ _E("connection is null. check bus status");
+ return 0;
+ }
+ return g_dbus_connection_signal_subscribe(dh->conn, NULL, iface, name, path, NULL, G_DBUS_SIGNAL_FLAGS_NONE, cb, data, _free_func_signal);
+}
+
+void unsubscribe_dbus_signal(dbus_handle_h handle, guint id)
+{
+ dcl_dbus_handle();
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return;
+ }
+ }
+
+ if (!dh->conn) {
+ _E("connection is null. check bus status");
+ return;
+ }
+
+ g_dbus_connection_signal_unsubscribe(dh->conn, id);
+}
+
+int _check_type_string_is_container(const char *signature)
+{
+ if (!signature)
+ return FALSE;
+
+ switch (signature[0]) {
+ case 'a':
+ case 'm':
+ case 'r':
+ case '(':
+ case '{':
+ case 'v':
+ return TRUE;
+ default:
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+GVariant *dbus_handle_make_simple_array(const char *sig, int *param)
+{
+ GVariantBuilder *builder = NULL;
+ GVariant *var = NULL;
+ char format[256];
+ int i = 0;
+
+ builder = g_variant_builder_new(G_VARIANT_TYPE(sig));
+ if (!builder) {
+ _E("failed to g_variant_builder_new");
+ return NULL;
+ }
+
+ while (param[i])
+ g_variant_builder_add(builder, "i", param[i++]);
+
+ snprintf(format, sizeof(format) - 1, "(%s)", sig);
+ var = g_variant_new(format, builder);
+ g_variant_builder_unref(builder);
+ return var;
+}
+
+/* todo: looks like garbage... */
+static GVariant* _append_variant(const char *signature, const char *param[])
+{
+ char *ch;
+ int i;
+ int pi;
+ int int_type;
+ gboolean bool_type;
+ unsigned long long int64_type;
+ GVariant *ret;
+ int len;
+ char container[255];// The maximum length of a signature is 255.
+ const char *sig = signature;
+ GVariantBuilder *builder = NULL;
+
+ if (!signature || !param)
+ return 0;
+
+ /* workaround for user fault "(i) != i" but we treat this as same signature */
+ /* G_VARIANT_TYPE("si") return NULL */
+ /* todo: actually user have to use correct signature */
+ if (!_check_type_string_is_container(signature)) {
+ snprintf(container, sizeof(container) - 1, "(%s)", signature);
+ sig = container;
+ }
+ if (!g_variant_type_is_container(G_VARIANT_TYPE(sig))) {
+ _E("signature (%s) is not container type", signature);
+ }
+
+ builder = g_variant_builder_new(G_VARIANT_TYPE(sig));
+ len = strlen(sig);
+ pi = 0;
+ for (ch = (char *)sig, i = 0; i < len; ++i, ++ch) {
+ switch (*ch) {
+ case '(':
+ case ')':
+ continue;
+ case 'b':
+ bool_type = (atoi(param[pi++]) == 0 ? FALSE : TRUE);
+ g_variant_builder_add(builder, "b", bool_type);
+ break;
+ case 'i':
+ int_type = atoi(param[pi++]);
+ g_variant_builder_add(builder, "i", int_type);
+ break;
+ case 'u':
+ int_type = strtoul(param[pi++], NULL, 10);
+ g_variant_builder_add(builder, "u", int_type);
+ break;
+ case 't':
+ int64_type = atoll(param[pi++]);
+ g_variant_builder_add(builder, "t", int64_type);
+ break;
+ case 's':
+ g_variant_builder_add(builder, "s", param[pi++]);
+ break;
+ case 'a':
+ ++ch;
+ switch (*ch) {
+ case 'y':
+ g_variant_builder_add(builder, "^ay", param[pi++]);
+ ++i;
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ ret = g_variant_builder_end(builder);
+ g_variant_builder_clear(builder);
+ g_variant_builder_unref(builder);
+
+ return ret;
+}
+
+int dbus_handle_broadcast_dbus_signal(const char *path,
+ const char *iface,
+ const char *name,
+ const char *signature,
+ const char *param[])
+{
+ dbus_handle_s *dh = NULL;
+ GError *err = NULL;
+ gboolean ret = 0;
+ GVariant *var = NULL;
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+
+ if (signature && param)
+ var = _append_variant(signature, param);
+ ret = g_dbus_connection_emit_signal(dh->conn, NULL, path, iface, name, var, &err);
+ if (err) {
+ _E("%d %s\n", ret, err ? err->message : NULL);
+ g_error_free(err);
+ }
+
+ return ret;
+}
+
+int dbus_handle_broadcast_dbus_signal_var(const char *path,
+ const char *iface,
+ const char *name,
+ GVariant *param)
+{
+ dbus_handle_s *dh = NULL;
+ GError *err = NULL;
+ gboolean ret = 0;
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+
+ ret = g_dbus_connection_emit_signal(dh->conn, NULL, path, iface, name, param, &err);
+ if (err) {
+ _E("%d %s\n", ret, err ? err->message : NULL);
+ g_error_free(err);
+ }
+
+ return ret;
+}
+
+GVariant *dbus_handle_method_sync_with_reply_var(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ GVariant *var)
+{
+ GError *err = NULL;
+ GVariant * ret = NULL;
+ dbus_handle_s *dh = NULL;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ if (var)
+ g_variant_unref(var);
+ return NULL;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ if (var)
+ g_variant_unref(var);
+ return NULL;
+ }
+
+ ret = g_dbus_connection_call_sync(dh->conn,
+ dest, path, iface, method,
+ var, NULL, G_DBUS_CALL_FLAGS_NONE, DBUS_REPLY_TIMEOUT, NULL, &err);
+ if (!ret || err) {
+ if (err) {
+ _E("failed to g_dbus_connection_call_sync:%s", err->message);
+ g_error_free(err);
+ } else {
+ _E("failed to g_dbus_connection_call_sync");
+ }
+ return NULL;
+ }
+
+ return ret;
+}
+
+GVariant *dbus_handle_method_sync_with_reply_var_timeout(const char *dest, const char *path,
+ const char *iface, const char *method, GVariant *var, int timeout)
+{
+ GError *err = NULL;
+ GVariant * ret = NULL;
+ dbus_handle_s *dh = NULL;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ if (var)
+ g_variant_unref(var);
+ return NULL;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ if (var)
+ g_variant_unref(var);
+ return NULL;
+ }
+
+ ret = g_dbus_connection_call_sync(dh->conn,
+ dest, path, iface, method,
+ var, NULL, G_DBUS_CALL_FLAGS_NONE, timeout, NULL, &err);
+ if (!ret || err) {
+ if (err) {
+ _E("failed to g_dbus_connection_call_sync:%s", err->message);
+ g_error_free(err);
+ } else {
+ _E("failed to g_dbus_connection_call_sync");
+ }
+ return NULL;
+ }
+
+ return ret;
+}
+
+gint* dbus_handle_get_unix_fd_list(GDBusMethodInvocation *invocation, int *size)
+{
+ GUnixFDList *fd_list = NULL;
+ int length = 0;
+
+ fd_list = g_dbus_message_get_unix_fd_list(g_dbus_method_invocation_get_message(invocation));
+
+ if (!fd_list) {
+ _E("failed to g_unix_fd_list_get_length: fd_list is null");
+ return NULL;
+ }
+
+ length = g_unix_fd_list_get_length(fd_list);
+ if (length == 0) {
+ _E("failed to g_unix_fd_list_get_length: list size is 0");
+ return NULL;
+ }
+ if (size)
+ *size = length;
+
+ return g_unix_fd_list_steal_fds(fd_list, NULL);
+}
+
+GVariant *dbus_handle_method_with_unix_fd_list_sync_with_reply(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ const char *signature,
+ const char *param[],
+ int *in_fdlist,
+ int in_size,
+ int **out_fdlist,
+ int *out_size)
+{
+ GError *err = NULL;
+ GVariant * var = NULL;
+ GVariant * ret = NULL;
+ dbus_handle_s *dh = NULL;
+ GDBusProxy *proxy = NULL;
+ GUnixFDList *g_infdlist = NULL;
+ GUnixFDList *g_outfdlist = NULL;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return NULL;
+ }
+ if (in_fdlist && in_size == 0) {
+ _E("wrong in_fdlist is not null but in_size is 0");
+ return NULL;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return NULL;
+ }
+
+ if (signature && param)
+ var = _append_variant(signature, param);
+
+ proxy = g_dbus_proxy_new_sync(dh->conn, G_DBUS_PROXY_FLAGS_NONE, NULL, dest, path, iface, NULL, &err);
+ if (!proxy) {
+ if (err) {
+ _E("failed to proxy_new_sync(%s)\n", err->message);
+ g_error_free(err);
+ } else {
+ _E("failed to proxy_new_sync\n");
+ if (var)
+ g_variant_unref(var);
+ }
+ }
+
+ /* append fd */
+ if (in_fdlist) {
+ g_infdlist = g_unix_fd_list_new_from_array(in_fdlist, in_size);
+ if (!g_infdlist) {
+ _E("failed to g_unix_fd_list_new_from_array\n");
+ goto out;
+ }
+ //g_infdlist = g_unix_fd_list_new();
+ //if (g_unix_fd_list_append(g_infdlist, in_fdlist[0], &err) < 0) {
+ }
+
+ ret = g_dbus_proxy_call_with_unix_fd_list_sync(proxy, method, var, G_DBUS_CALL_FLAGS_NONE, -1,
+ g_infdlist, &g_outfdlist, NULL, &err);
+ if (!ret || err) {
+ if (err) {
+ _E("failed to g_dbus_proxy_call_with_unix_fd_list_sync:%s", err->message);
+ g_error_free(err);
+ } else {
+ _E("failed to g_dbus_proxy_call_with_unix_fd_list_sync:");
+ if (var)
+ g_variant_unref(var);
+ if (g_infdlist)
+ g_object_unref(g_infdlist);
+ }
+ goto out;
+ }
+
+ /* fds to out array */
+ if (g_outfdlist) {
+ *out_size = g_unix_fd_list_get_length(g_outfdlist);
+ if (*out_size == 0)
+ goto out;
+
+ *out_fdlist = g_unix_fd_list_steal_fds(g_outfdlist, NULL);
+ }
+
+out:
+ if (g_outfdlist)
+ g_object_unref(g_outfdlist);
+ if (proxy)
+ g_object_unref(proxy);
+
+ return ret;
+}
+
+GVariant *dbus_handle_method_with_unix_fd_list_sync_with_reply_var(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ GVariant *param,
+ int *in_fdlist,
+ int in_size,
+ int **out_fdlist,
+ int *out_size)
+{
+ GError *err = NULL;
+ GVariant * ret = NULL;
+ dbus_handle_s *dh = NULL;
+ GDBusProxy *proxy = NULL;
+ GUnixFDList *g_infdlist = NULL;
+ GUnixFDList *g_outfdlist = NULL;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return NULL;
+ }
+ if (in_fdlist && in_size == 0) {
+ _E("wrong in_fdlist is not null but in_size is 0");
+ return NULL;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return NULL;
+ }
+
+ proxy = g_dbus_proxy_new_sync(dh->conn, G_DBUS_PROXY_FLAGS_NONE, NULL, dest, path, iface, NULL, &err);
+ if (!proxy) {
+ if (err) {
+ _E("failed to proxy_new_sync(%s)\n", err->message);
+ g_error_free(err);
+ } else {
+ _E("failed to proxy_new_sync\n");
+ if (param)
+ g_variant_unref(param);
+ }
+ goto out;
+ }
+
+ /* append fd */
+ if (in_fdlist) {
+ g_infdlist = g_unix_fd_list_new_from_array(in_fdlist, in_size);
+ if (!g_infdlist) {
+ _E("failed to g_unix_fd_list_new_from_array\n");
+ goto out;
+ }
+ //g_infdlist = g_unix_fd_list_new();
+ //if (g_unix_fd_list_append(g_infdlist, in_fdlist[0], &err) < 0) {
+ }
+
+ /* send message */
+ ret = g_dbus_proxy_call_with_unix_fd_list_sync(proxy, method, param, G_DBUS_CALL_FLAGS_NONE, -1,
+ g_infdlist, &g_outfdlist, NULL, &err);
+ if (!ret || err) {
+ if (err) {
+ _E("failed to g_dbus_proxy_call_with_unix_fd_list_sync:%s", err->message);
+ g_error_free(err);
+ } else {
+ _E("failed to g_dbus_proxy_call_with_unix_fd_list_sync:");
+ if (param)
+ g_variant_unref(param);
+ if (g_infdlist)
+ g_object_unref(g_infdlist);
+ }
+ goto out;
+ }
+
+ /* copy fds to out array */
+ if (g_outfdlist) {
+ *out_size = g_unix_fd_list_get_length(g_outfdlist);
+ if (*out_size == 0)
+ goto out;
+ *out_fdlist = g_unix_fd_list_steal_fds(g_outfdlist, NULL);
+ }
+out:
+ if (g_outfdlist)
+ g_object_unref(g_outfdlist);
+ if (proxy)
+ g_object_unref(proxy);
+ return ret;
+}
+
+int dbus_handle_method_sync(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ const char *signature,
+ const char *param[])
+{
+ int result;
+ gboolean result_bool;
+ GVariant *reply = NULL;
+ GVariant * var = NULL;
+ GError *err = NULL;
+ dbus_handle_s *dh = NULL;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return -1;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -ECOMM;
+ }
+
+ if (signature && param)
+ var = _append_variant(signature, param);
+
+ reply = g_dbus_connection_call_sync(dh->conn,
+ dest, path, iface, method,
+ var, NULL, G_DBUS_CALL_FLAGS_NONE, DBUS_REPLY_TIMEOUT, NULL, &err);
+ if (!reply || err) {
+ if (err) {
+ _E("failed to g_dbus_connection_call_sync:%s", err->message);
+ g_error_free(err);
+ } else {
+ _E("failed to g_dbus_connection_call_sync");
+ g_variant_unref(var);
+ }
+ return -ECOMM;
+ }
+
+ if (g_strcmp0("(i)", g_variant_get_type_string(reply)) == 0) {
+ g_variant_get(reply, "(i)", &result);
+ } else if (g_strcmp0("(b)", g_variant_get_type_string(reply)) == 0) {
+ g_variant_get(reply, "(b)", &result_bool);
+ result = (int)result_bool;
+ } else {
+ result = -ENOMSG;
+ }
+
+ g_variant_unref(reply);
+
+ return result;
+}
+
+int dbus_handle_method_sync_var(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ GVariant *param)
+{
+ int result;
+ gboolean result_bool;
+ GVariant *reply = NULL;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return -1;
+ }
+
+ reply = dbus_handle_method_sync_with_reply_var(dest, path, iface, method, param);
+ if (!reply)
+ return -ECOMM;
+
+ if (g_strcmp0("(i)", g_variant_get_type_string(reply)) == 0) {
+ g_variant_get(reply, "(i)", &result);
+ } else if (g_strcmp0("(b)", g_variant_get_type_string(reply)) == 0) {
+ g_variant_get(reply, "(b)", &result_bool);
+ result = (int)result_bool;
+ } else {
+ result = -ENOMSG;
+ }
+
+ g_variant_unref(reply);
+
+ return result;
+}
+
+int dbus_handle_method_sync_timeout(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ const char *signature,
+ const char *param[],
+ int timeout)
+{
+ dbus_handle_s *dh = NULL;
+ GError *err = NULL;
+ GVariant * var = NULL;
+ GVariant * reply = NULL;
+ int result = 0;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return -1;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -EPERM;
+ }
+
+ if (signature && param)
+ var = _append_variant(signature, param);
+
+ reply = g_dbus_connection_call_sync(dh->conn,
+ dest, path, iface, method,
+ var, NULL, G_DBUS_CALL_FLAGS_NONE, timeout, NULL, &err);
+ if (!reply || err) {
+ _E("failed to g_dbus_connection_call_sync:%s", err->message);
+ g_error_free(err);
+ return -1;
+ }
+
+ if (g_strcmp0("(i)", g_variant_get_type_string(reply)) == 0)
+ g_variant_get(reply, "(i)", &result);
+ else
+ result = -ENOMSG;
+
+ g_variant_unref(reply);
+
+ return result;
+}
+
+int dbus_handle_method_sync_pairs(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ int num,
+ va_list args)
+{
+ GError *err = NULL;
+ GVariant * reply = NULL;
+ char *key, *value;
+ int ret = 0;
+ GVariant *var;
+ GVariantBuilder *builder;
+ dbus_handle_s *dh = NULL;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return -1;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+
+ builder = g_variant_builder_new(G_VARIANT_TYPE("a{ss}"));
+
+ for (int i = 0 ; i < num ; i = i + 2) {
+ key = va_arg(args, char *);
+ value = va_arg(args, char *);
+ _I("key(%s), value(%s)", key, value);
+ g_variant_builder_add(builder, "{ss}", key, value);
+ }
+
+ var = g_variant_new("(a{ss})", builder);
+ g_variant_builder_unref(builder);
+
+ reply = g_dbus_connection_call_sync(dh->conn,
+ dest, path, iface, method,
+ var, NULL, G_DBUS_CALL_FLAGS_NONE, DBUS_REPLY_TIMEOUT, NULL, &err);
+ if (!reply || err) {
+ _E("failed to g_dbus_connection_call_sync");
+ return -1;
+ }
+
+ if (g_strcmp0("(i)", g_variant_get_type_string(reply)) == 0)
+ g_variant_get(reply, "(i)", &ret);
+ else
+ ret = -ENOMSG;
+
+ g_variant_unref(reply);
+
+ return ret;
+}
+
+int dbus_handle_method_async_pairs(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ int num,
+ va_list args)
+{
+ char *key, *value;
+ GVariant *var;
+ GVariantBuilder *builder;
+ dbus_handle_s *dh = NULL;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return -1;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+
+ // dict
+ builder = g_variant_builder_new(G_VARIANT_TYPE("a{ss}"));
+
+ for (int i = 0 ; i < num ; i = i + 2) {
+ key = va_arg(args, char *);
+ value = va_arg(args, char *);
+ _I("key(%s), value(%s)", key, value);
+ g_variant_builder_add(builder, "{ss}", key, value);
+ }
+
+ var = g_variant_new("(a{ss})", builder);
+ g_variant_builder_unref(builder);
+
+ g_dbus_connection_call(dh->conn, dest, path, iface, method,
+ var, NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL,
+ NULL,
+ NULL);
+
+ return 0;
+}
+
+int dbus_handle_method_async(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ const char *signature,
+ const char *param[])
+{
+ GVariant * var = NULL;
+ dbus_handle_s *dh = NULL;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return -1;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+
+ if (signature && param)
+ var = _append_variant(signature, param);
+
+ g_dbus_connection_call(dh->conn, dest, path, iface, method,
+ var, NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL,
+ NULL,
+ NULL);
+
+ return 0;
+}
+
+int dbus_handle_method_async_var(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ GVariant *param)
+{
+ dbus_handle_s *dh = NULL;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return -1;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+
+ g_dbus_connection_call(dh->conn, dest, path, iface, method,
+ param, NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL,
+ NULL,
+ NULL);
+
+ return 0;
+}
+
+/* callback should free gvariant */
+static void _cb_pending(GDBusConnection *conn,
+ GAsyncResult *res,
+ gpointer user_data)
+{
+ GVariant *reply = NULL;
+ GError *err = NULL;
+ pending_call_data *data = (pending_call_data *)user_data;
+
+ reply = g_dbus_connection_call_finish(conn, res, &err);
+ if (!reply || err) {
+ if (err) {
+ _E("no message : [%s]", err->message);
+ g_error_free(err);
+ } else {
+ _E("no message");
+ }
+
+ if (data && data->func)
+ data->func(NULL, data->data, err);
+ goto out;
+ }
+
+ if (data && data->func)
+ data->func(reply, data->data, err);
+out:
+ if (data)
+ free(data);
+}
+
+int dbus_handle_method_async_with_reply(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ const char *signature,
+ const char *param[],
+ dbus_pending_cb cb,
+ int timeout_msec,
+ void *data)
+{
+ dbus_handle_s *dh = NULL;
+ pending_call_data *pdata = NULL;
+ GVariant * var = NULL;
+ int ret = 0;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return -1;
+ }
+
+ if (timeout_msec < -1) {
+ _E("wrong timeout %d", timeout_msec);
+ return -1;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -EPERM;
+ }
+
+ if (signature && param)
+ var = _append_variant(signature, param);
+
+ if (cb) {
+ pdata = (pending_call_data*)malloc(sizeof(pending_call_data));
+ if (!pdata) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ pdata->func = cb;
+ pdata->data = data;
+ }
+ g_dbus_connection_call(dh->conn, dest, path, iface, method,
+ var, NULL, G_DBUS_CALL_FLAGS_NONE, timeout_msec, NULL,
+ (GAsyncReadyCallback)_cb_pending,
+ pdata);
+
+ return ret;
+err:
+ if (var)
+ g_variant_unref(var);
+ return ret;
+}
+
+int dbus_handle_method_async_with_reply_var(const char *dest,
+ const char *path,
+ const char *iface,
+ const char *method,
+ GVariant *param,
+ dbus_pending_cb cb,
+ int timeout_msec,
+ void *data)
+{
+ dbus_handle_s *dh = NULL;
+ pending_call_data *pdata = NULL;
+ int ret = 0;
+
+ if (!dest || !path || !iface || !method) {
+ _E("wrong parameters dest(%s) path(%s) iface(%s) method(%s)", dest, path, iface, method);
+ return -1;
+ }
+
+ if (timeout_msec < -1) {
+ _E("wrong timeout %d", timeout_msec);
+ return -1;
+ }
+
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -EPERM;
+ }
+
+ if (cb) {
+ pdata = (pending_call_data*)malloc(sizeof(pending_call_data));
+ if (!pdata) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ pdata->func = cb;
+ pdata->data = data;
+ }
+ g_dbus_connection_call(dh->conn, dest, path, iface, method,
+ param, NULL, G_DBUS_CALL_FLAGS_NONE, timeout_msec, NULL,
+ (GAsyncReadyCallback)_cb_pending,
+ pdata);
+
+ return ret;
+err:
+ if (param)
+ g_variant_unref(param);
+ return ret;
+}
+
+int dbus_connection_get_sender_pid(GDBusConnection *conn, const char * sender)
+{
+ GError *err = NULL;
+ GVariant *vret = NULL;
+ pid_t pid = 0;
+
+ if (!conn) {
+ _E("connection is null");
+ return -1;
+ }
+ if (!sender) {
+ _E("sender is null");
+ return -1;
+ }
+
+ vret = g_dbus_connection_call_sync(conn,
+ "org.freedesktop.DBus", "/", "org.freedesktop.DBus", "GetConnectionUnixProcessID",
+ g_variant_new("(s)", sender),
+ NULL,
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_REPLY_TIMEOUT,
+ NULL,
+ &err);
+ if (!vret || err) {
+ _E("failed to g_dbus_connection_call_sync:%s", err->message);
+ g_error_free(err);
+ return -1;
+ }
+
+ g_variant_get(vret, "(u)", &pid);
+ g_variant_unref(vret);
+
+ return pid;
+}
+
+int dbus_handle_get_sender_pid(dbus_handle_h handle, const char * sender)
+{
+ dcl_dbus_handle();
+
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+ }
+ if (!dh->conn) {
+ _E("wrong dbus handle. connection is null");
+ assert(0);
+ return -1;
+ }
+
+ return dbus_connection_get_sender_pid(dh->conn, sender);
+}
+
+int dbus_handle_get_sender_credentials(dbus_handle_h handle, const char *name, GDBusCredentials *creds)
+{
+ dcl_dbus_handle();
+ GVariant *vret = NULL;
+ GError *err = NULL;
+ GVariantIter *iter = NULL;
+ char * item;
+ GVariant *sub;
+
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return -1;
+ }
+ }
+ vret = g_dbus_connection_call_sync(dh->conn,
+ DBUS_BUS_NAME,
+ DBUS_OBJECT_PATH,
+ DBUS_INTERFACE_NAME,
+ "GetConnectionCredentials",
+ g_variant_new("(s)", name),
+ NULL,
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_REPLY_TIMEOUT,
+ NULL,
+ &err);
+ if (!vret || err) {
+ _E("failed to g_dbus_connection_call_sync:%s", err->message);
+ return -1;
+ }
+
+ g_variant_get(vret, "(a{sv})", &iter);
+
+ while (g_variant_iter_loop(iter, "{sv}", &item, &sub)) {
+ if (!g_strcmp0(item, "UnixUserID")) {
+ g_variant_get(sub, "u", &creds->uid);
+ //_D("UnixUserID %u", creds->uid);
+ } else if (!g_strcmp0(item, "ProcessID")) {
+ g_variant_get(sub, "u", &creds->pid);
+ //_D("ProcessID %u", creds->pid);
+ } else if (!g_strcmp0(item, "LinuxSecurityLabel")) {
+ g_variant_get(sub, "^ay", &creds->sec_label);
+ //_D("%s", creds->sec_label);
+ }
+ }
+
+ if (iter)
+ g_variant_iter_free(iter);
+ if (vret)
+ g_variant_unref(vret);
+
+ return 0;
+}
+
+void _destroy_notify_watch_name(gpointer data)
+{
+// if (data)
+// free(data);
+}
+
+int dbus_handle_watch_name(const char *name,
+ GBusNameAppearedCallback name_appeared_handler,
+ GBusNameVanishedCallback name_vanished_handler,
+ void *user_data,
+ GDestroyNotify user_data_free_func)
+{
+ guint id = 0;
+
+ if (!name) {
+ _E("wrong name name %s", name);
+ return -1;
+ }
+ if (!name_appeared_handler && !name_vanished_handler) {
+ _E("both function pointers are null");
+ return -1;
+ }
+
+ id = g_bus_watch_name(dbus_handle_get_default_bus_type(),
+ name,
+ G_BUS_NAME_WATCHER_FLAGS_NONE,
+ name_appeared_handler,
+ name_vanished_handler,
+ user_data,
+ user_data_free_func ? user_data_free_func : _destroy_notify_watch_name);
+ if (!id) {
+ _E("failed to g_bus_watch_name");
+ return -1;
+ }
+
+ return id;
+}
+
+void dbus_handle_unwatch_name(guint id)
+{
+ if (id == 0) {
+ _E("wrong id %d", id);
+ return;
+ }
+ g_bus_unwatch_name(id);
+}
+
+int _get_cmdline_name(pid_t pid, char *cmdline, size_t cmdline_size)
+{
+ int fd, ret;
+ char buf[PATH_MAX + 1];
+ char *filename;
+
+ snprintf(buf, sizeof(buf), "/proc/%d/cmdline", pid);
+ fd = open(buf, O_RDONLY);
+ if (fd < 0) {
+ errno = ESRCH;
+ return -1;
+ }
+
+ ret = read(fd, buf, PATH_MAX);
+ close(fd);
+ if (ret < 0)
+ return -1;
+
+ buf[PATH_MAX] = '\0';
+
+ filename = strrchr(buf, '/');
+ if (filename == NULL)
+ filename = buf;
+ else
+ filename = filename + 1;
+
+ if (cmdline_size < strlen(filename) + 1) {
+ errno = EOVERFLOW;
+ return -1;
+ }
+
+ strncpy(cmdline, filename, cmdline_size - 1);
+ cmdline[cmdline_size - 1] = '\0';
+ return 0;
+}
+
+// g_strfreev(strv)
+char **dbus_handle_get_owner_list(dbus_handle_h handle, const char *bus_name)
+{
+ dcl_dbus_handle();
+ GError *err = NULL;
+ GVariant *vret = NULL;
+ GVariantIter *iter = NULL;
+ gchar **strv = NULL;
+ gchar *str = NULL;
+ int i = 0;
+
+ if (!bus_name) {
+ _E("wrong parameter bus_name(%s)", bus_name);
+ return NULL;
+ }
+
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return NULL;
+ }
+ }
+
+ vret = g_dbus_connection_call_sync(dh->conn,
+ "org.freedesktop.DBus",
+ "/",
+ "org.freedesktop.DBus",
+ "ListQueuedOwners",
+ g_variant_new("(s)", bus_name),
+ NULL,
+ G_DBUS_CALL_FLAGS_NONE,
+ DBUS_REPLY_TIMEOUT,
+ NULL,
+ &err);
+ if (!vret || err) {
+ _E("failed to g_dbus_connection_call_sync:%s", err->message);
+ g_error_free(err);
+ return NULL;
+ }
+
+ g_variant_get(vret, "(as)", &iter);
+ strv = g_new(gchar *, g_variant_iter_n_children(iter) + 1);
+
+ i = 0;
+ while (g_variant_iter_loop(iter, "s", &str))
+ strv[i++] = g_strdup(str);
+ strv[i] = NULL;
+
+ g_variant_iter_free(iter);
+ g_variant_unref(vret);
+
+ return strv;
+}
+
+void dbush_handle_check_owner_name(dbus_handle_h handle, const char *owner_name)
+{
+ dcl_dbus_handle();
+ char exe_name[PATH_MAX];
+ int pid;
+ char **strv = NULL;
+ int i;
+
+ if (!dh) {
+ dh = _dbus_handle_get_default_connection();
+ if (!dh) {
+ _E("failed to get default connection, bustype:%d", (int)dbus_handle_get_default_bus_type());
+ return ;
+ }
+ }
+
+ strv = dbus_handle_get_owner_list(dh, owner_name);
+ if (!strv) {
+ _E("failed to get owner list of %s", owner_name);
+ return ;
+ }
+
+ for (i = 0; strv[i] != NULL; ++i) {
+ pid = dbus_handle_get_sender_pid(dh, strv[i]);
+ if (_get_cmdline_name(pid, exe_name, PATH_MAX) != 0)
+ break;
+ _I("%s(%d)", exe_name, pid);
+ }
+
+ g_strfreev(strv);
+}
+
+dbus_handle_h dbus_handle_init(GBusType type,
+ const char* bus_name,
+ GBusNameAcquiredCallback acquired_handler,
+ GBusNameLostCallback lost_handler)
+{
+ dbus_handle_h handle = NULL;
+ int i, ret = 0;
+
+ if (!bus_name) {
+ _E("Wrong bus name");
+ return NULL;
+ }
+
+ // todo: do we need retry ? - booting time
+ for (i = 0 ; i < 3; ++i) {
+ handle = dbus_handle_get_connection(type, FALSE);
+ if (handle)
+ break;
+ usleep(5000);
+ }
+ ret = dbus_handle_request_bus_name(handle, bus_name, acquired_handler, lost_handler);
+ if (ret <= 0)
+ goto out;
+
+ dbush_handle_check_owner_name(NULL, bus_name);
+
+ return handle;
+
+out:
+ return NULL;
+}