Files
aqhomecontrol/aqhome/mqtt/msg_mqtt_suback.c

101 lines
2.4 KiB
C

/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2023 Martin Preuss, all rights reserved.
*
* The license for this file can be found in the file COPYING which you
* should have received along with this file.
****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "aqhome/mqtt/msg_mqtt_suback.h"
#include <gwenhywfar/debug.h>
GWEN_MSG *GWEN_SubAckMqttMsg_new(uint8_t flags, uint16_t packetId, uint8_t result)
{
GWEN_MSG *msg;
GWEN_BUFFER *buf;
buf=GWEN_Buffer_new(0, 64, 0, 1);
if (flags & (AQH_MQTTMSG_FLAGS_QOS2 | AQH_MQTTMSG_FLAGS_QOS1)) {
GWEN_Buffer_AppendByte(buf, (packetId>>8) & 0xff);
GWEN_Buffer_AppendByte(buf, packetId & 0xff);
}
/* payload */
GWEN_Buffer_AppendByte(buf, result);
msg=GWEN_MqttMsg_new(AQH_MQTTMSG_MSGTYPE_SUBACK | flags, GWEN_Buffer_GetUsedBytes(buf), (const uint8_t*) GWEN_Buffer_GetStart(buf));
GWEN_Buffer_free(buf);
if (msg==NULL) {
DBG_INFO(AQH_LOGDOMAIN, "here");
return NULL;
}
return msg;
}
int AQH_SubAckMqttMsg_GetResultCode(const GWEN_MSG *msg)
{
const uint8_t *msgPtr;
uint32_t msgLen;
msgPtr=GWEN_Msg_GetConstBuffer(msg);
msgLen=GWEN_Msg_GetBytesInBuffer(msg);
if (msgLen>1) {
uint32_t flags;
uint32_t payloadLen;
const uint8_t *payloadPtr;
flags=AQH_MqttMsg_GetMsgTypeAndFlags(msg);
payloadLen=GWEN_Msg_GetParsedPayloadSize(msg);
payloadPtr=msgPtr+GWEN_Msg_GetParsedPayloadOffset(msg);
if (payloadLen>0) {
if (flags & (AQH_MQTTMSG_FLAGS_QOS2 | AQH_MQTTMSG_FLAGS_QOS1)) {
payloadLen--;
payloadPtr++;
}
if (payloadLen>1)
return (int) (payloadPtr[0]);
}
}
return GWEN_ERROR_GENERIC;
}
void AQH_SubAckMqttMsg_DumpToBuffer(const GWEN_MSG *msg, GWEN_BUFFER *dbuf, const char *sText)
{
const uint8_t *msgPtr;
uint32_t msgLen;
msgPtr=GWEN_Msg_GetConstBuffer(msg);
msgLen=GWEN_Msg_GetBytesInBuffer(msg);
if (msgLen>1) {
const uint8_t *payloadPtr;
uint32_t payloadLen;
GWEN_Buffer_AppendArgs(dbuf, "%s %s", AQH_MqttMsg_MsgTypeToString(msgPtr[0] & 0xf0), sText);
payloadLen=GWEN_Msg_GetParsedPayloadSize(msg);
payloadPtr=msgPtr+GWEN_Msg_GetParsedPayloadOffset(msg);
if (payloadLen>=1)
GWEN_Buffer_AppendArgs(dbuf, "(result=%d)", payloadPtr[0]);
}
}