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/*
* Copyright 2013 Samsung Electronics Co., Ltd
*
* Licensed under the Flora License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://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 <stdio.h>
#include <Eina.h>
#include <dlog.h>
#include <livebox-errno.h>
#include <packet.h>
#include <Eina.h>
#include "service_common.h"
#include "debug.h"
#include "util.h"
#include "conf.h"
#define SHORTCUT_ADDR "/tmp/.shortcut.service"
static struct info {
Eina_List *context_list;
struct service_context *svc_ctx;
} s_info = {
.context_list = NULL, /*!< \WARN: This is only used for SERVICE THREAD */
.svc_ctx = NULL, /*!< \WARN: This is only used for MAIN THREAD */
};
struct context {
struct tcb *tcb;
double seq;
};
/*!
* SERVICE THREAD
*/
static inline int put_reply_context(struct tcb *tcb, double seq)
{
struct context *ctx;
ctx = malloc(sizeof(*ctx));
if (!ctx) {
ErrPrint("Heap: %s\n", strerror(errno));
return -ENOMEM;
}
ctx->tcb = tcb;
ctx->seq = seq; /* Could we this sequence value is uniq? */
s_info.context_list = eina_list_append(s_info.context_list, ctx);
return 0;
}
/*!
* SERVICE THREAD
*/
static inline struct tcb *get_reply_context(double seq)
{
Eina_List *l;
Eina_List *n;
struct context *ctx;
struct tcb *tcb;
tcb = NULL;
EINA_LIST_FOREACH_SAFE(s_info.context_list, l, n, ctx) {
if (ctx->seq != seq)
continue;
s_info.context_list = eina_list_remove(s_info.context_list, ctx);
tcb = ctx->tcb;
free(ctx);
break;
}
return tcb;
}
/*!
* SERVICE THREAD
*/
static int service_thread_main(struct tcb *tcb, struct packet *packet, void *data)
{
const char *command;
DbgPrint("TCB: %p, Packet: %p\n", tcb, packet);
command = packet_command(packet);
if (!command) {
ErrPrint("Invalid command\n");
return -EINVAL;
}
DbgPrint("Command: %s, Packet type[%d]\n", command, packet_type(packet));
switch (packet_type(packet)) {
case PACKET_REQ:
/* Need to send reply packet */
DbgPrint("REQ: Command: [%s]\n", command);
if (service_common_multicast_packet(tcb, packet, TCB_CLIENT_TYPE_SERVICE) < 0)
ErrPrint("Unable to send service request packet\n");
else
(void)put_reply_context(tcb, packet_seq(packet));
break;
case PACKET_REQ_NOACK:
/* Doesn't need to send reply packet */
DbgPrint("REQ_NOACK: Command: [%s]\n", command);
if (!strcmp(command, "service_register")) {
tcb_client_type_set(tcb, TCB_CLIENT_TYPE_SERVICE);
break;
}
if (service_common_multicast_packet(tcb, packet, TCB_CLIENT_TYPE_SERVICE) < 0)
ErrPrint("Unable to send service reuqest packet\n");
break;
case PACKET_ACK:
/* Okay, client(or app) send a reply packet to us. */
DbgPrint("ACK: Command: [%s]\n", command);
tcb = get_reply_context(packet_seq(packet));
if (!tcb) {
ErrPrint("There is no proper context\n");
break;
}
if (service_common_unicast_packet(tcb, packet) < 0)
ErrPrint("Unable to send reply packet\n");
break;
default:
ErrPrint("Packet type is not valid[%s]\n", command);
return -EINVAL;
}
/*!
* return value has no meanning,
* it will be printed by dlogutil.
*/
return 0;
}
/*!
* MAIN THREAD
* Do not try to do anyother operation in these functions
*/
HAPI int shortcut_service_init(void)
{
if (s_info.svc_ctx) {
ErrPrint("Already initialized\n");
return LB_STATUS_ERROR_ALREADY;
}
s_info.svc_ctx = service_common_create(SHORTCUT_ADDR, service_thread_main, NULL);
if (!s_info.svc_ctx) {
ErrPrint("Unable to activate service thread\n");
return LB_STATUS_ERROR_FAULT;
}
DbgPrint("Successfully initiated\n");
return LB_STATUS_SUCCESS;
}
HAPI int shortcut_service_fini(void)
{
if (!s_info.svc_ctx)
return LB_STATUS_ERROR_INVALID;
service_common_destroy(s_info.svc_ctx);
DbgPrint("Successfully Finalized\n");
return LB_STATUS_SUCCESS;
}
/* End of a file */
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