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/*
* This file is part of Samsung-RIL.
*
* Copyright (C) 2011-2013 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 <pthread.h>
#define LOG_TAG "RIL"
#include <utils/Log.h>
#include "samsung-ril.h"
struct ril_client *ril_client_new(struct ril_client_funcs *client_funcs)
{
struct ril_client *ril_client;
int rc;
ril_client = calloc(1, sizeof(struct ril_client));
if (client_funcs != NULL) {
ril_client->funcs.create = client_funcs->create;
ril_client->funcs.destroy = client_funcs->destroy;
ril_client->funcs.read_loop = client_funcs->read_loop;
}
pthread_mutex_init(&(ril_client->mutex), NULL);
return ril_client;
}
int ril_client_free(struct ril_client *client)
{
if (client == NULL)
return -1;
pthread_mutex_destroy(&(client->mutex));
free(client);
return 0;
}
int ril_client_create(struct ril_client *client)
{
int rc;
int c;
if (client == NULL || client->funcs.create == NULL)
return -1;
for (c = RIL_CLIENT_MAX_TRIES ; c > 0 ; c--) {
LOGD("Creating RIL client inners, try #%d", RIL_CLIENT_MAX_TRIES - c + 1);
rc = client->funcs.create(client);
if (rc < 0)
LOGE("RIL client inners creation failed");
else
break;
usleep(500000);
}
if (c == 0) {
LOGE("RIL client inners creation failed too many times");
client->state = RIL_CLIENT_ERROR;
return -1;
}
client->state = RIL_CLIENT_CREATED;
return 0;
}
int ril_client_destroy(struct ril_client *client)
{
int rc;
int c;
if (client == NULL || client->funcs.destroy == NULL)
return -1;
for (c = RIL_CLIENT_MAX_TRIES ; c > 0 ; c--) {
LOGD("Destroying RIL client inners, try #%d", RIL_CLIENT_MAX_TRIES - c + 1);
rc = client->funcs.destroy(client);
if (rc < 0)
LOGE("RIL client inners destroying failed");
else
break;
usleep(500000);
}
if (c == 0) {
LOGE("RIL client inners destroying failed too many times");
client->state = RIL_CLIENT_ERROR;
return -1;
}
client->state = RIL_CLIENT_DESTROYED;
return 0;
}
void *ril_client_thread(void *data)
{
struct ril_client *client;
int rc;
int c;
if (data == NULL)
return NULL;
client = (struct ril_client *) data;
if (client->funcs.read_loop == NULL)
return NULL;
for (c = RIL_CLIENT_MAX_TRIES ; c > 0 ; c--) {
client->state = RIL_CLIENT_READY;
rc = client->funcs.read_loop(client);
if (rc < 0) {
client->state = RIL_CLIENT_ERROR;
LOGE("RIL client read loop failed");
ril_client_destroy(client);
ril_client_create(client);
continue;
} else {
client->state = RIL_CLIENT_CREATED;
LOGD("RIL client read loop ended");
break;
}
}
if (c == 0) {
LOGE("RIL client read loop failed too many times");
client->state = RIL_CLIENT_ERROR;
}
// Destroy everything here
rc = ril_client_destroy(client);
if (rc < 0)
LOGE("RIL client destroy failed");
rc = ril_client_free(client);
if (rc < 0)
LOGE("RIL client free failed");
return 0;
}
int ril_client_thread_start(struct ril_client *client)
{
pthread_attr_t attr;
int rc;
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) {
LOGE("RIL client thread creation failed");
return -1;
}
return 0;
}
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