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Will messages

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This commit is contained in:
Ian Craggs
2014-07-14 14:05:04 +01:00
parent 6b29d2fa3d
commit 1aadfb34a6
5 changed files with 329 additions and 7 deletions
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64
src/MQTTSNConnectClient.c
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@@ -287,7 +287,7 @@ int MQTTSNSerialize_willtopic(unsigned char* buf, int buflen, int willQoS, int w
/**
* Serializes a willmsg or willmsgupd packet into the supplied buffer.
* @param buf the buffer into which the packet will be serialized
* @param len the length in bytes of the supplied buffersage
* @param buflen the length in bytes of the supplied buffer
* @param willMsg the will message
* @return serialized length, or error if 0
*/
@@ -411,5 +411,67 @@ exit:
}
/**
* Deserializes the supplied (wire) buffer into willtopicresp data - return code
* @param connack_rc returned integer value of the return code
* @param buf the raw buffer data, of the correct length determined by the remaining length field
* @param len the length in bytes of the data in the supplied buffer
* @return error code. 1 is success, 0 is failure
*/
int MQTTSNDeserialize_willtopicresp(int* resp_rc, unsigned char* buf, int buflen)
{
unsigned char* curdata = buf;
unsigned char* enddata = NULL;
int rc = 0;
int mylen;
FUNC_ENTRY;
curdata += (rc = MQTTSNPacket_decode(curdata, buflen, &mylen)); /* read length */
enddata = buf + mylen;
if (enddata - buf < 3)
goto exit;
if (readChar(&curdata) != MQTTSN_WILLTOPICRESP)
goto exit;
*resp_rc = readChar(&curdata);
rc = 1;
exit:
FUNC_EXIT_RC(rc);
return rc;
}
/**
* Deserializes the supplied (wire) buffer into willmsgresp data - return code
* @param connack_rc returned integer value of the return code
* @param buf the raw buffer data, of the correct length determined by the remaining length field
* @param len the length in bytes of the data in the supplied buffer
* @return error code. 1 is success, 0 is failure
*/
int MQTTSNDeserialize_willmsgresp(int* resp_rc, unsigned char* buf, int buflen)
{
unsigned char* curdata = buf;
unsigned char* enddata = NULL;
int rc = 0;
int mylen;
FUNC_ENTRY;
curdata += (rc = MQTTSNPacket_decode(curdata, buflen, &mylen)); /* read length */
enddata = buf + mylen;
if (enddata - buf < 3)
goto exit;
if (readChar(&curdata) != MQTTSN_WILLMSGRESP)
goto exit;
*resp_rc = readChar(&curdata);
rc = 1;
exit:
FUNC_EXIT_RC(rc);
return rc;
}