distributedschedule_samgr_l.../samgr/source/message_inner.h

64 lines
1.9 KiB
C
Executable File

/*
* Copyright (c) 2020 Huawei Device 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 LITE_MESSAGEINNER_H
#define LITE_MESSAGEINNER_H
#include "message.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
enum ExchangeType {
MSG_EXIT = -1,
MSG_NON = 0,
MSG_CON = 1,
MSG_ACK = 2,
MSG_SYNC = 3,
MSG_DIRECT = 4,
};
// Will be used for message interaction, so use one-byte alignment
#pragma pack(1)
typedef struct Exchange Exchange;
struct Exchange {
Identity id; /**< The target service or feature identity. */
Request request;
Response response;
short type; /**< The exchange type. */
Handler handler; /**< async response or immediately request callback function */
uint32 *sharedRef; /**< use to share the request and response for saving memory */
};
#pragma pack()
int32 SAMGR_MsgRecv(MQueueId queueId, uint8 *interMsg, uint32 size);
/**
* The function just release the Message->data and Message->sharedRef(use free), not release the msg entry.
* If you alloc the msg on the heep, you should release it by yourself, you`d better alloc on the stack.
* The function will be called automatically.
* Do not call this function manually, except the SM_SendRequest return error!
*
**/
int32 SAMGR_FreeMsg(Exchange *exchange);
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif // LITE_MESSAGEINNER_H