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/*
* This file is part of Samsung-RIL.
*
* Copyright (C) 2011-2014 Paul Kocialkowski <contact@paulk.fr>
*
* Samsung-RIL 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 3 of the License, or
* (at your option) any later version.
*
* Samsung-RIL 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 Samsung-RIL. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <pthread.h>
#define LOG_TAG "RIL"
#include <utils/Log.h>
#include <samsung-ril.h>
struct ril_client *ril_client_find_id(int id)
{
unsigned int i;
if (ril_clients == NULL || ril_clients_count == 0)
return NULL;
for (i = 0; i < ril_clients_count; i++) {
if (ril_clients[i] == NULL)
continue;
if (ril_clients[i]->id == id)
return ril_clients[i];
}
return NULL;
}
int ril_client_create(struct ril_client *client)
{
int rc;
if (client == NULL)
return -1;
client->data = NULL;
pthread_mutex_init(&client->mutex, NULL);
if (client->handlers != NULL && client->handlers->create != NULL) {
rc = client->handlers->create(client);
if (rc < 0) {
RIL_LOGE("Creating %s client failed", client->name);
return -1;
}
}
RIL_LOGD("Created %s client", client->name);
return 0;
}
int ril_client_destroy(struct ril_client *client)
{
int rc;
if (client == NULL)
return -1;
if (client->handlers != NULL && client->handlers->destroy != NULL) {
rc = client->handlers->destroy(client);
if (rc < 0) {
RIL_LOGE("Destroying %s client failed", client->name);
return -1;
}
}
pthread_mutex_destroy(&client->mutex);
RIL_LOGD("Destroyed %s client", client->name);
return 0;
}
int ril_client_open(struct ril_client *client)
{
int rc = 0;
if (client == NULL)
return -1;
if (client->handlers == NULL || client->handlers->open == NULL)
return -1;
rc = client->handlers->open(client);
if (rc < 0) {
RIL_LOGE("Opening %s client failed", client->name);
return -1;
}
RIL_LOGD("Opened %s client", client->name);
return 0;
}
int ril_client_close(struct ril_client *client)
{
int rc;
if (client == NULL)
return -1;
if (client->handlers == NULL || client->handlers->close == NULL)
return -1;
rc = client->handlers->close(client);
if (rc < 0) {
RIL_LOGE("Closing %s client failed", client->name);
return -1;
}
RIL_LOGD("Closed %s client", client->name);
return 0;
}
void *ril_client_thread(void *data)
{
struct ril_client *client;
int rc;
if (data == NULL || ril_data == NULL)
return NULL;
client = (struct ril_client *) data;
client->failures = 0;
do {
if (client->failures) {
usleep(RIL_CLIENT_RETRY_DELAY);
rc = ril_client_close(client);
if (rc < 0)
goto failure;
if (client->failures > 1) {
rc = ril_client_destroy(client);
if (rc < 0)
goto failure;
rc = ril_client_create(client);
if (rc < 0)
goto failure;
}
rc = ril_client_open(client);
if (rc < 0)
goto failure;
}
rc = client->handlers->loop(client);
if (rc < 0) {
RIL_LOGE("%s client loop failed", client->name);
if (client->critical) {
RIL_LOCK();
ril_radio_state_update(RADIO_STATE_UNAVAILABLE);
RIL_UNLOCK();
}
goto failure;
} else {
RIL_LOGE("%s client loop terminated", client->name);
break;
}
failure:
client->failures++;
} while (client->failures < RIL_CLIENT_RETRY_COUNT);
ril_client_close(client);
ril_client_destroy(client);
RIL_LOGD("Stopped %s client loop", client->name);
return NULL;
}
int ril_client_loop(struct ril_client *client)
{
pthread_attr_t attr;
int rc;
if (client == NULL)
return -1;
if (client->handlers == NULL || client->handlers->loop == NULL)
return -1;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
rc = pthread_create(&client->thread, &attr, ril_client_thread, (void *) client);
if (rc != 0) {
RIL_LOGE("Starting %s client loop failed", client->name);
return -1;
}
RIL_LOGD("Started %s client loop", client->name);
return 0;
}
int ril_client_request_register(struct ril_client *client, int request,
RIL_Token token)
{
int rc = 0;
if (client == NULL || client->callbacks == NULL || client->callbacks->request_register == NULL)
return -1;
rc = client->callbacks->request_register(client, request, token);
if (rc < 0)
return -1;
return 0;
}
int ril_client_request_unregister(struct ril_client *client, int request,
RIL_Token token)
{
int rc = 0;
if (client == NULL || client->callbacks == NULL || client->callbacks->request_unregister == NULL)
return -1;
rc = client->callbacks->request_unregister(client, request, token);
if (rc < 0)
return -1;
return 0;
}
int ril_client_flush(struct ril_client *client)
{
int rc = 0;
if (client == NULL || client->callbacks == NULL || client->callbacks->flush == NULL)
return -1;
rc = client->callbacks->flush(client);
if (rc < 0)
return -1;
return 0;
}
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