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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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 <dlfcn.h>
#include <utils/Log.h>
#include "ril_interface.h"
int ril_open(void **ril_handle, void **ril_client)
{
void *handle;
void *client;
handle = dlopen(RIL_CLIENT_LIBPATH, RTLD_NOW);
if (!handle) {
LOGE("Cannot open '%s'", RIL_CLIENT_LIBPATH);
return -1;
}
ril_open_client = dlsym(handle, "OpenClient_RILD");
ril_close_client = dlsym(handle, "CloseClient_RILD");
ril_connect = dlsym(handle, "Connect_RILD");
ril_is_connected = dlsym(handle, "isConnected_RILD");
ril_disconnect = dlsym(handle, "Disconnect_RILD");
ril_set_call_volume = dlsym(handle, "SetCallVolume");
ril_set_call_audio_path = dlsym(handle, "SetCallAudioPath");
ril_set_call_clock_sync = dlsym(handle, "SetCallClockSync");
if (!ril_open_client || !ril_close_client || !ril_connect ||
!ril_is_connected || !ril_disconnect || !ril_set_call_volume ||
!ril_set_call_audio_path || !ril_set_call_clock_sync) {
LOGE("Cannot get symbols from '%s'", RIL_CLIENT_LIBPATH);
dlclose(handle);
return -1;
}
client = ril_open_client();
if (!client) {
LOGE("ril_open_client() failed");
dlclose(handle);
return -1;
}
if (ril_connect(client) != RIL_CLIENT_ERR_SUCCESS ||
!ril_is_connected(client)) {
LOGE("ril_connect() failed");
ril_close_client(client);
dlclose(handle);
return -1;
}
*ril_handle = handle;
*ril_client = client;
return 0;
}
int ril_close(void *ril_handle, void *ril_client)
{
if (!ril_handle)
return -1;
if ((ril_disconnect(ril_client) != RIL_CLIENT_ERR_SUCCESS) ||
(ril_close_client(ril_client) != RIL_CLIENT_ERR_SUCCESS)) {
LOGE("ril_disconnect() or ril_close_client() failed");
return -1;
}
dlclose(ril_handle);
return 0;
}
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