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/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* 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 "sbr_protocol_api.h"
#include "stackx_epoll_api.h"
#include "stackx_socket.h"
#include "stackx_res_mgr.h"
#include "stackx_common_opt.h"
#include "common_mem_api.h"
#include "stackx_event.h"

extern sbr_fdopt tcp_fdopt;
extern sbr_fdopt udp_fdopt;
extern sbr_fdopt raw_fdopt;
extern sbr_fdopt custom_fdopt;

/*****************************************************************************
*   Prototype    : sbr_init_protocol
*   Description  : init protocol
*   Input        : None
*   Output       : None
*   Return Value : int
*   Calls        :
*   Called By    :
*
*****************************************************************************/
int sbr_init_protocol()
{
    return sbr_init_stackx();
}

/*****************************************************************************
*   Prototype    : sbr_fork_protocol
*   Description  : init protocol
*   Input        : None
*   Output       : None
*   Return Value : int
*   Calls        :
*   Called By    :
*
*****************************************************************************/
int sbr_fork_protocol()
{
    pid_t pid = updata_sys_pid();

    NSSBR_LOGINF("update pid in child]pid=%d", pid);
    return sbr_fork_stackx();
}

/*****************************************************************************
*   Prototype    : sbr_get_fdopt
*   Description  : get fdopt by domain type protocol
*   Input        : int domain
*                  int type
*                  int protocol
*   Output       : None
*   Return Value : sbr_fdopt*
*   Calls        :
*   Called By    :
*
*****************************************************************************/
sbr_fdopt *sbr_get_fdopt(int domain, int type, int protocol)
{
    if (domain != AF_INET)
    {
        NSSBR_LOGERR("domain is not AF_INET]domain=%d", domain);
        sbr_set_errno(EAFNOSUPPORT);
        return NULL;
    }

    sbr_fdopt *fdopt = NULL;

    switch (type & (~(O_NONBLOCK | SOCK_CLOEXEC)))
    {
        case SOCK_DGRAM:
            fdopt = &udp_fdopt;
            break;
        case SOCK_STREAM:
            fdopt = &tcp_fdopt;
            break;

        default:
            NSSBR_LOGDBG("type is unknown]type=%d", type);
            sbr_set_errno(ESOCKTNOSUPPORT);
            return NULL;
    }

    return fdopt;
}

/* app send its version info to nStackMain */
extern void sbr_handle_app_touch(void);
void sbr_app_touch_in(void)
{
    sbr_handle_app_touch();
}