47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/****************************************************************************
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* This file is part of the project AqHome.
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* AqHome (c) by 2025 Martin Preuss, all rights reserved.
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*
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* The license for this file can be found in the file COPYING which you
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* should have received along with this file.
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****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "aqhome/msg/mqtt/m_mqtt_subscribe.h"
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#include "aqhome/msg/mqtt/m_mqtt.h"
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#include <gwenhywfar/text.h>
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#include <gwenhywfar/debug.h>
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/* ------------------------------------------------------------------------------------------------
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* implementation
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* ------------------------------------------------------------------------------------------------
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*/
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AQH_MESSAGE *AQH_MqttMessageSubscribe_new(uint8_t flags, uint16_t packetId, const char *sTopic, uint8_t requestedQos)
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{
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AQH_MESSAGE *msg;
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GWEN_BUFFER *buf;
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buf=GWEN_Buffer_new(0, 64, 0, 1);
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GWEN_Buffer_AppendByte(buf, (packetId>>8) & 0xff);
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GWEN_Buffer_AppendByte(buf, packetId & 0xff);
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/* add topic filter / qos pair */
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AQH_MqttMessage_AppendStringWithLenToBuffer(buf, sTopic);
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GWEN_Buffer_AppendByte(buf, requestedQos);
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msg=AQH_MqttMessage_new(AQH_MQTTMSG_MSGTYPE_SUBSCRIBE | flags,
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GWEN_Buffer_GetUsedBytes(buf),
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(const uint8_t*) GWEN_Buffer_GetStart(buf));
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GWEN_Buffer_free(buf);
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return msg;
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}
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