1 /* 2 * Copyright (c) 2020 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef LITE_MESSAGEINNER_H 16 #define LITE_MESSAGEINNER_H 17 18 #include "message.h" 19 20 #ifdef __cplusplus 21 #if __cplusplus 22 extern "C" { 23 #endif 24 #endif 25 26 enum ExchangeType { 27 MSG_EXIT = -1, 28 MSG_NON = 0, 29 MSG_CON = 1, 30 MSG_ACK = 2, 31 MSG_SYNC = 3, 32 MSG_DIRECT = 4, 33 }; 34 // Will be used for message interaction, so use one-byte alignment 35 #pragma pack(1) 36 typedef struct Exchange Exchange; 37 struct Exchange { 38 Identity id; /**< The target service or feature identity. */ 39 Request request; 40 Response response; 41 short type; /**< The exchange type. */ 42 Handler handler; /**< async response or immediately request callback function */ 43 uint32 *sharedRef; /**< use to share the request and response for saving memory */ 44 }; 45 #pragma pack() 46 47 int32 SAMGR_MsgRecv(MQueueId queueId, uint8 *interMsg, uint32 size); 48 49 /** 50 * The function just release the Message->data and Message->sharedRef(use free), not release the msg entry. 51 * If you alloc the msg on the heep, you should release it by yourself, you`d better alloc on the stack. 52 * The function will be called automatically. 53 * Do not call this function manually, except the SM_SendRequest return error! 54 * 55 **/ 56 int32 SAMGR_FreeMsg(Exchange *exchange); 57 58 #ifdef __cplusplus 59 #if __cplusplus 60 } 61 #endif 62 #endif 63 #endif // LITE_MESSAGEINNER_H 64