1 /*
2  *  Copyright (c) 2016, The OpenThread Authors.
3  *  All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions are met:
7  *  1. Redistributions of source code must retain the above copyright
8  *     notice, this list of conditions and the following disclaimer.
9  *  2. Redistributions in binary form must reproduce the above copyright
10  *     notice, this list of conditions and the following disclaimer in the
11  *     documentation and/or other materials provided with the distribution.
12  *  3. Neither the name of the copyright holder nor the
13  *     names of its contributors may be used to endorse or promote products
14  *     derived from this software without specific prior written permission.
15  *
16  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  *  POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /**
30  * @file
31  *   This file implements the OpenThread Message API.
32  */
33 
34 #include "openthread-core-config.h"
35 
36 #include <openthread/message.h>
37 
38 #include "common/as_core_type.hpp"
39 #include "common/locator_getters.hpp"
40 
41 using namespace ot;
42 
otMessageFree(otMessage * aMessage)43 void otMessageFree(otMessage *aMessage) { AsCoreType(aMessage).Free(); }
44 
otMessageGetLength(const otMessage * aMessage)45 uint16_t otMessageGetLength(const otMessage *aMessage) { return AsCoreType(aMessage).GetLength(); }
46 
otMessageSetLength(otMessage * aMessage,uint16_t aLength)47 otError otMessageSetLength(otMessage *aMessage, uint16_t aLength) { return AsCoreType(aMessage).SetLength(aLength); }
48 
otMessageGetOffset(const otMessage * aMessage)49 uint16_t otMessageGetOffset(const otMessage *aMessage) { return AsCoreType(aMessage).GetOffset(); }
50 
otMessageSetOffset(otMessage * aMessage,uint16_t aOffset)51 void otMessageSetOffset(otMessage *aMessage, uint16_t aOffset) { AsCoreType(aMessage).SetOffset(aOffset); }
52 
otMessageIsLinkSecurityEnabled(const otMessage * aMessage)53 bool otMessageIsLinkSecurityEnabled(const otMessage *aMessage) { return AsCoreType(aMessage).IsLinkSecurityEnabled(); }
54 
otMessageSetDirectTransmission(otMessage * aMessage,bool aEnabled)55 void otMessageSetDirectTransmission(otMessage *aMessage, bool aEnabled)
56 {
57     if (aEnabled)
58     {
59         AsCoreType(aMessage).SetDirectTransmission();
60     }
61     else
62     {
63         AsCoreType(aMessage).ClearDirectTransmission();
64     }
65 }
66 
otMessageGetRss(const otMessage * aMessage)67 int8_t otMessageGetRss(const otMessage *aMessage) { return AsCoreType(aMessage).GetAverageRss(); }
68 
otMessageAppend(otMessage * aMessage,const void * aBuf,uint16_t aLength)69 otError otMessageAppend(otMessage *aMessage, const void *aBuf, uint16_t aLength)
70 {
71     AssertPointerIsNotNull(aBuf);
72 
73     return AsCoreType(aMessage).AppendBytes(aBuf, aLength);
74 }
75 
otMessageRead(const otMessage * aMessage,uint16_t aOffset,void * aBuf,uint16_t aLength)76 uint16_t otMessageRead(const otMessage *aMessage, uint16_t aOffset, void *aBuf, uint16_t aLength)
77 {
78     AssertPointerIsNotNull(aBuf);
79 
80     return AsCoreType(aMessage).ReadBytes(aOffset, aBuf, aLength);
81 }
82 
otMessageWrite(otMessage * aMessage,uint16_t aOffset,const void * aBuf,uint16_t aLength)83 int otMessageWrite(otMessage *aMessage, uint16_t aOffset, const void *aBuf, uint16_t aLength)
84 {
85     AssertPointerIsNotNull(aBuf);
86 
87     AsCoreType(aMessage).WriteBytes(aOffset, aBuf, aLength);
88 
89     return aLength;
90 }
91 
otMessageQueueInit(otMessageQueue * aQueue)92 void otMessageQueueInit(otMessageQueue *aQueue)
93 {
94     AssertPointerIsNotNull(aQueue);
95 
96     aQueue->mData = nullptr;
97 }
98 
otMessageQueueEnqueue(otMessageQueue * aQueue,otMessage * aMessage)99 void otMessageQueueEnqueue(otMessageQueue *aQueue, otMessage *aMessage)
100 {
101     AsCoreType(aQueue).Enqueue(AsCoreType(aMessage));
102 }
103 
otMessageQueueEnqueueAtHead(otMessageQueue * aQueue,otMessage * aMessage)104 void otMessageQueueEnqueueAtHead(otMessageQueue *aQueue, otMessage *aMessage)
105 {
106     AsCoreType(aQueue).Enqueue(AsCoreType(aMessage), MessageQueue::kQueuePositionHead);
107 }
108 
otMessageQueueDequeue(otMessageQueue * aQueue,otMessage * aMessage)109 void otMessageQueueDequeue(otMessageQueue *aQueue, otMessage *aMessage)
110 {
111     AsCoreType(aQueue).Dequeue(AsCoreType(aMessage));
112 }
113 
otMessageQueueGetHead(otMessageQueue * aQueue)114 otMessage *otMessageQueueGetHead(otMessageQueue *aQueue) { return AsCoreType(aQueue).GetHead(); }
115 
otMessageQueueGetNext(otMessageQueue * aQueue,const otMessage * aMessage)116 otMessage *otMessageQueueGetNext(otMessageQueue *aQueue, const otMessage *aMessage)
117 {
118     Message *next;
119 
120     VerifyOrExit(aMessage != nullptr, next = nullptr);
121 
122     VerifyOrExit(AsCoreType(aMessage).GetMessageQueue() == aQueue, next = nullptr);
123     next = AsCoreType(aMessage).GetNext();
124 
125 exit:
126     return next;
127 }
128 
129 #if OPENTHREAD_MTD || OPENTHREAD_FTD
otMessageGetBufferInfo(otInstance * aInstance,otBufferInfo * aBufferInfo)130 void otMessageGetBufferInfo(otInstance *aInstance, otBufferInfo *aBufferInfo)
131 {
132     AsCoreType(aInstance).GetBufferInfo(AsCoreType(aBufferInfo));
133 }
134 
otMessageResetBufferInfo(otInstance * aInstance)135 void otMessageResetBufferInfo(otInstance *aInstance) { AsCoreType(aInstance).ResetBufferInfo(); }
136 #endif // OPENTHREAD_MTD || OPENTHREAD_FTD
137