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/*
* Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
*
* 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 <E_DBus.h>
#include <dbus/dbus-glib.h>
#include "starter.h"
#include "starter-util.h"
#include "util.h"
#define DBUS_HOME_BUS_NAME "org.tizen.coreapps.home"
#define DBUS_HOME_RAISE_PATH "/Org/Tizen/Coreapps/home/raise"
#define DBUS_HOME_RAISE_INTERFACE DBUS_HOME_BUS_NAME".raise"
#define DBUS_HOME_RAISE_MEMBER "homeraise"
#define DEVICED_BUS_NAME "org.tizen.system.deviced"
#define DEVICED_OBJECT_PATH "/Org/Tizen/System/DeviceD"
#define DEVICED_INTERFACE_NAME DEVICED_BUS_NAME
#define DEVICED_PATH DEVICED_OBJECT_PATH"/Process"
#define DEVICED_INTERFACE DEVICED_INTERFACE_NAME".Process"
#define DEVICED_SET_METHOD "oomadj_set"
#define DBUS_REPLY_TIMEOUT (120 * 1000)
static struct _info {
DBusConnection *connection;
} s_info = {
.connection = NULL,
};
static DBusConnection *_dbus_connection_get(void) {
if (s_info.connection == NULL) {
_W("no connection for dbus. get dbus connection");
DBusError derror;
DBusConnection *connection = NULL;
dbus_error_init(&derror);
connection = dbus_bus_get_private(DBUS_BUS_SYSTEM, &derror);
if (connection == NULL) {
_E("Failed to get dbus connection:%s", derror.message);
dbus_error_free(&derror);
return NULL;
}
dbus_connection_setup_with_g_main(connection, NULL);
dbus_error_free(&derror);
s_info.connection = connection;
}
return s_info.connection;
}
static int _append_variant(DBusMessageIter *iter, const char *sig, char *param[])
{
char *ch;
int i;
int int_type;
uint64_t int64_type;
if (!sig || !param)
return 0;
for (ch = (char*)sig, i = 0; *ch != '\0'; ++i, ++ch) {
switch (*ch) {
case 'i':
int_type = atoi(param[i]);
dbus_message_iter_append_basic(iter, DBUS_TYPE_INT32, &int_type);
break;
case 'u':
int_type = atoi(param[i]);
dbus_message_iter_append_basic(iter, DBUS_TYPE_UINT32, &int_type);
break;
case 't':
int64_type = atoi(param[i]);
dbus_message_iter_append_basic(iter, DBUS_TYPE_UINT64, &int64_type);
break;
case 's':
dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, ¶m[i]);
break;
default:
return -EINVAL;
}
}
return 0;
}
static int _invoke_dbus_method_sync(const char *dest, const char *path,
const char *interface, const char *method,
const char *sig, char *param[])
{
DBusMessage *msg;
DBusMessageIter iter;
DBusMessage *reply;
DBusError err;
int r, ret;
DBusConnection *conn = NULL;
conn = (DBusConnection *)_dbus_connection_get();
if (!conn) {
_E("dbus_bus_get error");
return -1;
}
msg = dbus_message_new_method_call(dest, path, interface, method);
if (!msg) {
_E("dbus_message_new_method_call(%s:%s-%s)", path, interface, method);
return -EBADMSG;
}
dbus_message_iter_init_append(msg, &iter);
r = _append_variant(&iter, sig, param);
if (r < 0) {
_E("append_variant error(%d)", r);
dbus_message_unref(msg);
return -EBADMSG;
}
dbus_error_init(&err);
reply = dbus_connection_send_with_reply_and_block(conn, msg, DBUS_REPLY_TIMEOUT, &err);
dbus_message_unref(msg);
if (!reply) {
_E("dbus_connection_send error(%s:%s)", err.name, err.message);
dbus_error_free(&err);
return -EBADMSG;
}
return reply;
}
static int _dbus_message_send(const char *path, const char *interface, const char *member)
{
int ret = 0;
DBusMessage *msg = NULL;
DBusConnection *conn = NULL;
conn = (DBusConnection *)_dbus_connection_get();
if (!conn) {
_E("dbus_bus_get error");
return -1;
}
msg = dbus_message_new_signal(path, interface, member);
if (!msg) {
_E("dbus_message_new_signal(%s:%s-%s)", path, interface, member);
return -1;
}
ret = dbus_connection_send(conn, msg, NULL); //async call
dbus_message_unref(msg);
if (ret != TRUE) {
_E("dbus_connection_send error(%s:%s-%s)", path, interface, member);
return -ECOMM;
}
_D("dbus_connection_send, ret=%d", ret);
return 0;
}
void starter_dbus_home_raise_signal_send(void)
{
int ret = 0;
ret = _dbus_message_send(
DBUS_HOME_RAISE_PATH,
DBUS_HOME_RAISE_INTERFACE,
DBUS_HOME_RAISE_MEMBER);
_E("Sending HOME RAISE signal, result:%d", ret);
}
int starter_dbus_set_oomadj(int pid, int oom_adj_value)
{
if(pid <= 0){
_E("Pid is invalid");
return -1;
}
DBusError err;
DBusMessage *msg;
char *pa[4];
char buf1[16];
char buf2[16];
int ret, val;
snprintf(buf1, sizeof(buf1), "%d", pid);
snprintf(buf2, sizeof(buf2), "%d", oom_adj_value);
pa[0] = DEVICED_SET_METHOD;
pa[1] = "2";
pa[2] = buf1;
pa[3] = buf2;
msg = _invoke_dbus_method_sync(DEVICED_BUS_NAME, DEVICED_PATH, DEVICED_INTERFACE, DEVICED_SET_METHOD, "siss", pa);
if (!msg)
return -EBADMSG;
dbus_error_init(&err);
ret = dbus_message_get_args(msg, &err, DBUS_TYPE_INT32, &val, DBUS_TYPE_INVALID);
if (!ret) {
_E("no message : [%s:%s]", err.name, err.message);
val = -EBADMSG;
}
dbus_message_unref(msg);
dbus_error_free(&err);
_D("%s-%s : %d", DEVICED_INTERFACE, pa[0], val);
return val;
}
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