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/*
* Copyright (c) 2017 Samsung Electronics Co., Ltd.
*
* Licensed under the Flora License, Version 1.1 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://floralicense.org/license/
*
* 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 <net_connection.h>
#include <stdlib.h>
#include <string.h>
#include "log.h"
#include "connection_manager.h"
struct conn_mgr_s {
connection_h connection;
connection_type_e net_state;
connection_wifi_state_e wifi_state;
char *ip_addr;
connection_state_changed_cb state_cb;
void *state_cb_data;
};
struct conn_mgr_s conn_mgr = {
NULL,
CONNECTION_TYPE_DISCONNECTED,
CONNECTION_WIFI_STATE_DEACTIVATED,
NULL,
NULL,
NULL
};
static const char *__connection_error_to_string(connection_error_e error)
{
switch (error) {
case CONNECTION_ERROR_NONE:
return "CONNECTION_ERROR_NONE";
case CONNECTION_ERROR_INVALID_PARAMETER:
return "CONNECTION_ERROR_INVALID_PARAMETER";
case CONNECTION_ERROR_OUT_OF_MEMORY:
return "CONNECTION_ERROR_OUT_OF_MEMORY";
case CONNECTION_ERROR_INVALID_OPERATION:
return "CONNECTION_ERROR_INVALID_OPERATION";
case CONNECTION_ERROR_ADDRESS_FAMILY_NOT_SUPPORTED:
return "CONNECTION_ERROR_ADDRESS_FAMILY_NOT_SUPPORTED";
case CONNECTION_ERROR_OPERATION_FAILED:
return "CONNECTION_ERROR_OPERATION_FAILED";
case CONNECTION_ERROR_ITERATOR_END:
return "CONNECTION_ERROR_ITERATOR_END";
case CONNECTION_ERROR_NO_CONNECTION:
return "CONNECTION_ERROR_NO_CONNECTION";
case CONNECTION_ERROR_NOW_IN_PROGRESS:
return "CONNECTION_ERROR_NOW_IN_PROGRESS";
case CONNECTION_ERROR_ALREADY_EXISTS:
return "CONNECTION_ERROR_ALREADY_EXISTS";
case CONNECTION_ERROR_OPERATION_ABORTED:
return "CONNECTION_ERROR_OPERATION_ABORTED";
case CONNECTION_ERROR_DHCP_FAILED:
return "CONNECTION_ERROR_DHCP_FAILED";
case CONNECTION_ERROR_INVALID_KEY:
return "CONNECTION_ERROR_INVALID_KEY";
case CONNECTION_ERROR_NO_REPLY:
return "CONNECTION_ERROR_NO_REPLY";
case CONNECTION_ERROR_PERMISSION_DENIED:
return "CONNECTION_ERROR_PERMISSION_DENIED";
case CONNECTION_ERROR_NOT_SUPPORTED:
return "CONNECTION_ERROR_NOT_SUPPORTED";
default:
return "CONNECTION_ERROR_UNKNOWN";
}
}
static void __conn_mgr_connection_changed_cb(connection_type_e type,
void* user_data)
{
int ret = CONNECTION_ERROR_NONE;
connection_state_e state = CONNECTION_STATE_DISCONNECTED;
_D("connection changed from[%d] to[%d]", conn_mgr.net_state, type);
conn_mgr.net_state = type;
ret = connection_get_wifi_state(conn_mgr.connection,
&conn_mgr.wifi_state);
if (CONNECTION_ERROR_NONE != ret)
_E("failed to connection_get_wifi_state - [%s]",
__connection_error_to_string(ret));
free(conn_mgr.ip_addr);
conn_mgr.ip_addr = NULL;
if (conn_mgr.net_state != CONNECTION_TYPE_DISCONNECTED) {
state = CONNECTION_STATE_CONNECTED;
ret = connection_get_ip_address(conn_mgr.connection,
CONNECTION_ADDRESS_FAMILY_IPV4, &conn_mgr.ip_addr);
if ((CONNECTION_ERROR_NONE != ret) || (conn_mgr.ip_addr == NULL))
_E("failed to connection_get_ip_address() - [%s]",
__connection_error_to_string(ret));
}
if (conn_mgr.state_cb)
conn_mgr.state_cb(state, conn_mgr.ip_addr, conn_mgr.state_cb_data);
return;
}
int connection_manager_get_ip(const char **ip)
{
int ret = CONNECTION_ERROR_NONE;
retv_if(conn_mgr.connection == NULL, -1);
retv_if(ip == NULL, -1);
if (conn_mgr.ip_addr) {
*ip = conn_mgr.ip_addr;
return 0;
}
if (conn_mgr.net_state == CONNECTION_TYPE_DISCONNECTED) {
_W("disconnected now");
free(conn_mgr.ip_addr);
conn_mgr.ip_addr = NULL;
return -1;
}
ret = connection_get_ip_address(conn_mgr.connection,
CONNECTION_ADDRESS_FAMILY_IPV4, &conn_mgr.ip_addr);
if ((CONNECTION_ERROR_NONE != ret) || (conn_mgr.ip_addr == NULL)) {
_E("failed to connection_get_ip_address() - [%s]",
__connection_error_to_string(ret));
return -1;
}
*ip = conn_mgr.ip_addr;
return 0;
}
int connection_manager_init(void)
{
int ret = CONNECTION_ERROR_NONE;
if (conn_mgr.connection) {
_W("connection manager is already initialized");
return 0;
}
ret = connection_create(&conn_mgr.connection);
if (CONNECTION_ERROR_NONE != ret) {
_E("failed to create connection - [%s]",
__connection_error_to_string(ret));
return -1;
}
ret = connection_get_type(conn_mgr.connection, &conn_mgr.net_state);
if (CONNECTION_ERROR_NONE != ret) {
_E("failed to connection_get_type - [%s]",
__connection_error_to_string(ret));
}
if (conn_mgr.net_state != CONNECTION_TYPE_DISCONNECTED) {
ret = connection_get_ip_address(conn_mgr.connection,
CONNECTION_ADDRESS_FAMILY_IPV4, &conn_mgr.ip_addr);
if ((CONNECTION_ERROR_NONE != ret) || (conn_mgr.ip_addr == NULL))
_E("failed to connection_get_ip_address() - [%s]",
__connection_error_to_string(ret));
}
ret = connection_get_wifi_state(conn_mgr.connection, &conn_mgr.wifi_state);
if (CONNECTION_ERROR_NONE != ret)
_E("failed to connection_get_wifi_state - [%s]",
__connection_error_to_string(ret));
_D("net_state[%d], wifi_state[%d], ip address[%s]",
conn_mgr.net_state, conn_mgr.wifi_state, conn_mgr.ip_addr);
ret = connection_set_type_changed_cb(conn_mgr.connection,
__conn_mgr_connection_changed_cb, &conn_mgr);
if (CONNECTION_ERROR_NONE != ret)
_E("failed to connection_set_type_changed_cb - [%s]",
__connection_error_to_string(ret));
return 0;
}
int connection_manager_fini(void)
{
if (conn_mgr.connection) {
int ret = 0;
ret = connection_destroy(conn_mgr.connection);
_D("connection_destroy - [%s]", __connection_error_to_string(ret));
}
conn_mgr.net_state = CONNECTION_TYPE_DISCONNECTED;
conn_mgr.wifi_state = CONNECTION_WIFI_STATE_DEACTIVATED;
if (conn_mgr.ip_addr) {
free(conn_mgr.ip_addr);
conn_mgr.ip_addr = NULL;
}
conn_mgr.state_cb = NULL;
conn_mgr.state_cb_data = NULL;
return 0;
}
int connection_manager_set_state_changed_cb(
connection_state_changed_cb state_cb, void *user_data)
{
conn_mgr.state_cb = state_cb;
if (state_cb) {
connection_state_e state = CONNECTION_STATE_DISCONNECTED;
conn_mgr.state_cb_data = user_data;
if (conn_mgr.net_state != CONNECTION_TYPE_DISCONNECTED)
state = CONNECTION_STATE_CONNECTED;
conn_mgr.state_cb(state, conn_mgr.ip_addr, conn_mgr.state_cb_data);
} else
conn_mgr.state_cb_data = NULL;
return 0;
}
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