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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.
*/
#ifndef MSG_API_H
#define MSG_API_H
#include "nsfw_msg.h"
#include "nsfw_mem_api.h"
#include "nstack_log.h"
#include "nsfw_rti.h"
#include "common_mem_api.h"
#include "nsfw_recycle_api.h"
#include "common_pal_bitwide_adjust.h"
#include "pid_common.h"
#ifdef __cplusplus
/* *INDENT-OFF* */
extern "C" {
/* *INDENT-ON* */
#endif
#define SET_MSG_ERR(m, error) ((m)->param.err = (error))
#define GET_MSG_ERR(m) ((m)->param.err)
/* for sync message from sbr we should signal sem */
#define SYNC_MSG_ACK(m) sys_sem_s_signal(&((m)->param.op_completed))
/* for async message from sbr we should free the message */
#define ASYNC_MSG_FREE(m) msg_free(m)
#define MSG_ENTRY(_ptr, _type, _member) container_of((void *)_ptr, _type, _member)
#ifndef NSTACK_STATIC_CHECK
/*****************************************************************************
* Prototype : msg_malloc
* Description : malloc msg
* Input : mring_handle mhandle
* Output : None
* Return Value : static inline data_com_msg*
* Calls :
* Called By :
*****************************************************************************/
static inline data_com_msg *msg_malloc(mring_handle mhandle)
{
if (!mhandle)
{
NSFW_LOGERR("mhandle is null");
return NULL;
}
data_com_msg *m = NULL;
if (nsfw_mem_ring_dequeue(mhandle, (void **) &m) != 1)
{
return NULL;
}
m->param.recycle_pid = get_sys_pid();
res_alloc(&m->param.res_chk);
return m;
}
/*****************************************************************************
* Prototype : msg_free
* Description : free msg
* Input : data_com_msg* m
* mring_handle mhandle
* Output : None
* Return Value : static inline void
* Calls :
* Called By :
*****************************************************************************/
static inline void msg_free(data_com_msg * m)
{
if (!m)
{
NSFW_LOGERR("m is NULL");
return;
}
mring_handle mhandle = ADDR_SHTOL(m->param.msg_from);
if (!mhandle)
{
return;
}
if (res_free(&m->param.res_chk))
{
NSFW_LOGERR("m refree!]m=%p", m);
return;
}
m->param.recycle_pid = 0;
if (nsfw_mem_ring_enqueue(mhandle, (void *) m) != 1)
{
NSFW_LOGERR("nsfw_mem_ring_enqueue failed,this can not happen");
}
}
/*****************************************************************************
* Prototype : msg_post
* Description : post msg
* Input : data_com_msg* m
* mring_handle mhandle
* Output : None
* Return Value : static inline int
* Calls :
* Called By :
*****************************************************************************/
static inline int msg_post(data_com_msg * m, mring_handle mhandle)
{
int ret;
if (!m || !mhandle)
{
NSFW_LOGERR("param is not ok]m=%p,mhandle=%p", m, mhandle);
return -1;
}
while (1)
{
ret = nsfw_mem_ring_enqueue(mhandle, (void *) m);
switch (ret)
{
case 1:
if (MSG_SYN_POST == m->param.op_type)
{
sys_arch_sem_s_wait(&m->param.op_completed, 0);
}
return 0;
case 0:
continue;
default:
nsfw_rti_stat_macro(NSFW_STAT_PRIMARY_ENQ_FAIL, m);
return -1;
}
}
}
#define MSG_POST_FAILED 50
/*****************************************************************************
* Prototype : msg_post_with_lock_rel
* Description : post msg to tcpip thread in mgrcom thread
* Input : data_com_msg* m
* mring_handle mhandle
* Output : None
* Return Value : static inline int
* Calls :
* Called By :
*****************************************************************************/
static inline int
msg_post_with_lock_rel(data_com_msg * m, mring_handle mhandle)
{
int ret;
int try_count = 0;
if (!m || !mhandle)
{
NSFW_LOGERR("param is not ok]m=%p,mhandle=%p", m, mhandle);
return -1;
}
while (1)
{
ret = nsfw_mem_ring_enqueue(mhandle, (void *) m);
switch (ret)
{
case 1:
if (MSG_SYN_POST == m->param.op_type)
{
sys_arch_sem_s_wait(&m->param.op_completed, 0);
}
return 0;
case 0:
try_count++;
if (try_count > MSG_POST_FAILED)
{
try_count = 0;
nsfw_recycle_rechk_lock();
}
sys_sleep_ns(0, 1000000);
continue;
default:
nsfw_rti_stat_macro(NSFW_STAT_PRIMARY_ENQ_FAIL, m);
return -1;
}
}
}
/*****************************************************************************
* Prototype : msg_try_post
* Description : try post msg
* Input : data_com_msg* m
* mring_handle mhandle
* Output : None
* Return Value : static inline int
* Calls :
* Called By :
*****************************************************************************/
static inline int msg_try_post(data_com_msg * m, mring_handle mhandle)
{
if (!m || !mhandle)
{
NSFW_LOGERR("param is not ok]m=%p,mhandle=%p", m, mhandle);
return -1;
}
int ret = nsfw_mem_ring_enqueue(mhandle, (void *) m);
if (1 == ret)
{
if (MSG_SYN_POST == m->param.op_type)
{
sys_arch_sem_s_wait(&m->param.op_completed, 0);
}
return 0;
}
return -1;
}
/*****************************************************************************
* Prototype : msg_fetch
* Description : fetch msg
* Input : mring_handle mhandle
* data_com_msg** m
* u32 num
* Output : None
* Return Value : static inline int
* Calls :
* Called By :
*****************************************************************************/
static inline int msg_fetch(mring_handle mhandle, data_com_msg ** m, u32 num)
{
if (!m || !mhandle)
{
NSFW_LOGERR("param is not ok]m=%p,mhandle=%p", m, mhandle);
return -1;
}
int ret;
while (1)
{
ret = nsfw_mem_ring_dequeuev(mhandle, (void *) m, num);
if (ret > 0)
{
break;
}
}
return ret;
}
/*****************************************************************************
* Prototype : msg_try_fetch
* Description : try fetch msg
* Input : mring_handle mhandle
* data_com_msg** m
* u32 num
* Output : None
* Return Value : static inline int
* Calls :
* Called By :
*****************************************************************************/
static inline int
msg_try_fetch(mring_handle mhandle, data_com_msg ** m, u32 num)
{
if (!m || !mhandle)
{
NSFW_LOGERR("param is not ok]m=%p,mhandle=%p", m, mhandle);
return -1;
}
return nsfw_mem_ring_dequeuev(mhandle, (void *) m, num);
}
#else
data_com_msg *msg_malloc(mring_handle mhandle);
void msg_free(data_com_msg * m);
int msg_post(data_com_msg * m, mring_handle mhandle);
int msg_try_post(data_com_msg * m, mring_handle mhandle);
int msg_fetch(mring_handle mhandle, data_com_msg ** m, u32 num);
int msg_try_fetch(mring_handle mhandle, data_com_msg ** m, u32 num);
int msg_post_with_lock_rel(data_com_msg * m, mring_handle mhandle);
#endif
#ifdef __cplusplus
/* *INDENT-OFF* */
}
/* *INDENT-ON* */
#endif
#endif
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