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aqhome: adapted server aqhome-mqttlog to events2 api.

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This commit is contained in:
Martin Preuss
2025-03-08 01:03:22 +01:00
parent 58c6d12e36
commit ca2103f7b3
38 changed files with 3300 additions and 205 deletions
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6
aqhome/ipc2/0BUILD
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@@ -49,6 +49,7 @@
msgwriter.h
ipcmsgreader.h
nodemsgreader.h
mqttmsgreader.h
ttyobject.h
tcpd_object.h
tcp_object.h
@@ -58,6 +59,8 @@
ipc_server.h
ipc_client.h
tty_endpoint.h
mqtt_endpoint.h
mqtt_client.h
</headers>
@@ -79,6 +82,7 @@
msgwriter.c
ipcmsgreader.c
nodemsgreader.c
mqttmsgreader.c
ttyobject.c
tcpd_object.c
tcp_object.c
@@ -89,6 +93,8 @@
ipc_client.c
ipc_endpoint.c
tty_endpoint.c
mqtt_endpoint.c
mqtt_client.c
</sources>

16
aqhome/ipc2/endpoint.c
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@@ -395,11 +395,17 @@ void AQH_Endpoint_AddMsgOut(AQH_OBJECT *o, AQH_MESSAGE *msg)
xo=GWEN_INHERIT_GETDATA(AQH_OBJECT, AQH_ENDPOINT, o);
if (xo) {
AQH_Message_List_Add(msg, xo->msgOutList);
if (xo->msgWriter && AQH_Message_List_GetCount(xo->msgOutList)==1) {
DBG_INFO(AQH_LOGDOMAIN, "Enabling msgWriter, sending message");
AQH_MsgWriter_SendMsg(xo->msgWriter, AQH_Message_GetMsgPointer(msg), AQH_Message_GetUsedSize(msg));
AQH_Object_Enable(xo->msgWriter);
if (AQH_Message_GetUsedSize(msg)<1) {
DBG_ERROR(AQH_LOGDOMAIN, "Empty message, not sending");
AQH_Message_free(msg);
}
else {
AQH_Message_List_Add(msg, xo->msgOutList);
if (xo->msgWriter && AQH_Message_List_GetCount(xo->msgOutList)==1) {
DBG_INFO(AQH_LOGDOMAIN, "Enabling msgWriter, sending message");
AQH_MsgWriter_SendMsg(xo->msgWriter, AQH_Message_GetMsgPointer(msg), AQH_Message_GetUsedSize(msg));
AQH_Object_Enable(xo->msgWriter);
}
}
}
}

53
aqhome/ipc2/mqtt_client.c Normal file
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@@ -0,0 +1,53 @@
/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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 "./mqtt_client.h"
#include <aqhome/ipc2/mqttmsgreader.h>
#include <aqhome/ipc2/msgwriter.h>
#include <aqhome/events2/fdobject.h>
#include <gwenhywfar/debug.h>
#include <unistd.h>
/* ------------------------------------------------------------------------------------------------
* code
* ------------------------------------------------------------------------------------------------
*/
AQH_OBJECT *AQH_MqttClientObject_new(AQH_EVENT_LOOP *eventLoop, int fd)
{
int fdCopy;
AQH_OBJECT *fdReader;
AQH_OBJECT *fdWriter;
AQH_OBJECT *msgReader;
AQH_OBJECT *msgWriter;
AQH_OBJECT *endpoint;
fdCopy=dup(fd);
fdReader=AQH_FdObject_new(eventLoop, fd, AQH_FDOBJECT_FDMODE_READ);
msgReader=AQH_MqttMsgReader_new(eventLoop, fdReader);
AQH_Object_Enable(msgReader);
fdWriter=AQH_FdObject_new(eventLoop, fdCopy, AQH_FDOBJECT_FDMODE_WRITE);
msgWriter=AQH_MsgWriter_new(eventLoop, fdWriter);
endpoint=AQH_Endpoint_new(eventLoop, msgReader, msgWriter);
return endpoint;
}

27
aqhome/ipc2/mqtt_client.h Normal file
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@@ -0,0 +1,27 @@
/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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.
****************************************************************************/
#ifndef AQH_MQTT_CLIENT_H
#define AQH_MQTT_CLIENT_H
#include <aqhome/ipc2/endpoint.h>
/**
*
* @param eventLoop pointer to eventLoop
* @param fd connected non-blocking socket to work with (see @ref AQH_TcpObject_CreateConnectedSocket).
*/
AQHOME_API AQH_OBJECT *AQH_MqttClientObject_new(AQH_EVENT_LOOP *eventLoop, int fd);
#endif

74
aqhome/ipc2/mqtt_endpoint.c Normal file
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@@ -0,0 +1,74 @@
/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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 "./mqtt_endpoint.h"
#include "aqhome/msg/mqtt/m_mqtt.h"
#include <gwenhywfar/debug.h>
#include <time.h>
AQH_MESSAGE *AQH_MqttEndpoint_WaitForConnAckMsg(AQH_OBJECT *mqttEndpoint, int timeoutInSeconds)
{
return AQH_MqttEndpoint_WaitForMsg(mqttEndpoint, AQH_MQTTMSG_MSGTYPE_CONNACK, timeoutInSeconds);
}
AQH_MESSAGE *AQH_MqttEndpoint_WaitForMsg(AQH_OBJECT *mqttEndpoint, uint8_t t, int timeoutInSeconds)
{
time_t startTime;
startTime=time(NULL);
t&=0xf0;
for (;;) {
AQH_MESSAGE_LIST *msgList;
time_t now;
msgList=AQH_Endpoint_GetMsgInList(mqttEndpoint);
if (msgList) {
AQH_MESSAGE *msg;
msg=AQH_Message_List_First(msgList);
while(msg) {
uint8_t msgTypeAndFlags;
msgTypeAndFlags=AQH_MqttMessage_GetTypeAndFlags(msg);
if ((msgTypeAndFlags & 0xf0) == t) {
AQH_Message_List_Del(msg);
return msg;
}
msg=AQH_Message_List_Next(msg);
}
}
now=time(NULL);
if (now-startTime>timeoutInSeconds) {
DBG_INFO(NULL, "Timeout");
break;
}
AQH_EventLoop_Run(AQH_Object_GetEventLoop(mqttEndpoint), 500);
} /* for */
return NULL;
}

23
aqhome/ipc2/mqtt_endpoint.h Normal file
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@@ -0,0 +1,23 @@
/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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.
****************************************************************************/
#ifndef AQH_MQTT_ENDPOINT_H
#define AQH_MQTT_ENDPOINT_H
#include <aqhome/ipc2/endpoint.h>
AQHOME_API AQH_MESSAGE *AQH_MqttEndpoint_WaitForConnAckMsg(AQH_OBJECT *mqttEndpoint, int timeoutInSeconds);
AQHOME_API AQH_MESSAGE *AQH_MqttEndpoint_WaitForMsg(AQH_OBJECT *mqttEndpoint, uint8_t t, int timeoutInSeconds);
#endif

182
aqhome/ipc2/mqttmsgreader.c Normal file
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@@ -0,0 +1,182 @@
/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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 "./mqttmsgreader.h"
#include "./msgreader_p.h"
#include <aqhome/events2/fdobject.h>
#include <gwenhywfar/inherit.h>
#include <gwenhywfar/debug.h>
#include <gwenhywfar/endianfns.h>
#include <gwenhywfar/text.h>
#include <sys/socket.h>
#define AQH_MSG_READER_HEADER_SIZE 2
#define AQH_MSG_READER_MINMSGSIZE 12
#define AQH_MSG_READER_MAXMSGSIZE 10240
#define AQH_MSG_READER_FLAGS_READBODY 0x0001
/* ------------------------------------------------------------------------------------------------
* forward declarations
* ------------------------------------------------------------------------------------------------
*/
static int _readMsg(AQH_OBJECT *o);
static int _readHeaderFromRingbuffer(AQH_MSG_READER *xo);
/* ------------------------------------------------------------------------------------------------
* implementation
* ------------------------------------------------------------------------------------------------
*/
AQH_OBJECT *AQH_MqttMsgReader_new(AQH_EVENT_LOOP *eventLoop, AQH_OBJECT *fdObject)
{
AQH_OBJECT *o;
o=AQH_MsgReader_new(eventLoop, fdObject);
AQH_MsgReader_SetReadMsgFn(o, _readMsg);
return o;
}
int _readMsg(AQH_OBJECT *o)
{
AQH_MSG_READER *xo;
xo=AQH_MsgReader_GetData(o);
if (xo) {
int rv;
if (!(xo->flags & AQH_MSG_READER_FLAGS_READBODY)) {
DBG_INFO(AQH_LOGDOMAIN, "Reading header");
rv=_readHeaderFromRingbuffer(xo);
if (rv<0) {
DBG_INFO(AQH_LOGDOMAIN, "here (%d)", rv);
return rv;
}
}
if (xo->flags & AQH_MSG_READER_FLAGS_READBODY) {
DBG_INFO(AQH_LOGDOMAIN, "Reading body");
/* reading remainder of msg directly into allocated buffer */
rv=AQH_MsgReader_ReadRemainderFromRingbuffer(o);
if (rv<0) {
DBG_INFO(AQH_LOGDOMAIN, "here (%d)", rv);
return rv;
}
else if (rv==1) {
int msgLen;
uint8_t *msgPtr;
msgLen=xo->bytesReceived;
msgPtr=xo->currentMsgBuf;
xo->bytesReceived=0;
xo->bytesLeft=0;
xo->currentMsgBuf=NULL;
xo->flags&=~AQH_MSG_READER_FLAGS_READBODY;
DBG_ERROR(NULL, "Received message:");
//GWEN_Text_LogString((const char*) msgPtr, msgLen, NULL, GWEN_LoggerLevel_Error);
rv=AQH_Object_EmitSignal(o, AQH_MSG_READER_SIGNAL_MSGRECVD, msgLen, (void*) msgPtr);
if (rv==0) {
DBG_ERROR(AQH_LOGDOMAIN, "Received message ignored");
}
free(msgPtr);
return 1;
}
}
return 0;
}
return GWEN_ERROR_GENERIC;
}
int _readHeaderFromRingbuffer(AQH_MSG_READER *xo)
{
int remainingBytesInBuffer;
uint32_t mqttPayloadLen=0;
int idx=0;
const uint8_t *ptr;
uint8_t lenByte;
int shift=0;
int rv;
ptr=xo->headerBuffer;
remainingBytesInBuffer=xo->bytesReceived;
if (remainingBytesInBuffer>AQH_MSG_READER_HEADERBUFFER_SIZE) {
DBG_ERROR(AQH_LOGDOMAIN, "Error in message (msg size not determined within %d bytes)", remainingBytesInBuffer);
return GWEN_ERROR_BAD_DATA;
}
/* read type and flags (first byte) */
if (xo->bytesReceived<=idx) {
rv=GWEN_RingBuffer_ReadByte(xo->ringBuffer);
if (rv!=-1) {
xo->headerBuffer[idx]=rv;
xo->bytesReceived++;
remainingBytesInBuffer++;
}
else
return 0;
}
idx++;
/* read address bytes */
while(idx<6) { /* max 4 bytes size plus type/flags byte */
if (xo->bytesReceived<=idx) {
rv=GWEN_RingBuffer_ReadByte(xo->ringBuffer);
if (rv!=-1) {
xo->headerBuffer[idx]=rv;
xo->bytesReceived++;
remainingBytesInBuffer++;
}
else
return 0;
}
lenByte=ptr[idx];
mqttPayloadLen+=(lenByte & 0x7f)<<shift;
if (!(lenByte & 0x80)) {
uint32_t fullMsgSize;
/* last byte of size, finish */
fullMsgSize=mqttPayloadLen+idx+1;
xo->bytesLeft=(fullMsgSize-xo->bytesReceived);
xo->currentMsgBuf=(uint8_t*) malloc(fullMsgSize);
memmove(xo->currentMsgBuf, xo->headerBuffer, xo->bytesReceived);
xo->bytesLeft=fullMsgSize-xo->bytesReceived;
xo->flags|=AQH_MSG_READER_FLAGS_READBODY;
DBG_ERROR(AQH_LOGDOMAIN,
"Got size: full size=%d, payload pos=%d, payload size=%d (%04x)",
fullMsgSize, idx+1, mqttPayloadLen, mqttPayloadLen);
return 1; /* size successfully determined */
}
shift+=7;
idx++;
}
DBG_ERROR(AQH_LOGDOMAIN, "Bad MQTT message (could not determine message length)");
return GWEN_ERROR_BAD_DATA;
}

20
aqhome/ipc2/mqttmsgreader.h Normal file
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@@ -0,0 +1,20 @@
/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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.
****************************************************************************/
#ifndef AQH_MQTTMSGREADER_H
#define AQH_MQTTMSGREADER_H
#include <aqhome/events2/object.h>
AQH_OBJECT *AQH_MqttMsgReader_new(AQH_EVENT_LOOP *eventLoop, AQH_OBJECT *fdObject);
#endif

78
aqhome/ipc2/msgreader.c
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@@ -23,7 +23,7 @@
#define AQH_MSGREADER_SKIPTIME_IN_MS 20
#define AQH_MSGREADER_FLAGS_SKIP 0x0001
#define AQH_MSGREADER_FLAGS_SKIP 0x80000000
@@ -109,8 +109,10 @@ void AQH_MsgReader_SetFlags(AQH_OBJECT *o, uint32_t f)
AQH_MSG_READER *xo;
xo=GWEN_INHERIT_GETDATA(AQH_OBJECT, AQH_MSG_READER, o);
if (xo)
if (xo) {
DBG_ERROR(AQH_LOGDOMAIN, "Set flags: %08x", f);
xo->flags=f;
}
}
@@ -120,8 +122,10 @@ void AQH_MsgReader_AddFlags(AQH_OBJECT *o, uint32_t f)
AQH_MSG_READER *xo;
xo=GWEN_INHERIT_GETDATA(AQH_OBJECT, AQH_MSG_READER, o);
if (xo)
if (xo) {
DBG_ERROR(AQH_LOGDOMAIN, "Adding flags: %08x", f);
xo->flags|=f;
}
}
@@ -131,8 +135,10 @@ void AQH_MsgReader_SubFlags(AQH_OBJECT *o, uint32_t f)
AQH_MSG_READER *xo;
xo=GWEN_INHERIT_GETDATA(AQH_OBJECT, AQH_MSG_READER, o);
if (xo)
if (xo) {
DBG_ERROR(AQH_LOGDOMAIN, "Clearing flags: %08x", f);
xo->flags&=~f;
}
}
@@ -339,35 +345,45 @@ int AQH_MsgReader_ReadRemainderFromRingbuffer(AQH_OBJECT *o)
xo=GWEN_INHERIT_GETDATA(AQH_OBJECT, AQH_MSG_READER, o);
if (xo) {
uint32_t bytesInRingBuffer;
uint32_t bytesToRead;
int rv;
if (xo->bytesLeft==0) {
/* msg finished */
DBG_INFO(AQH_LOGDOMAIN, "Message complete");
return 1;
}
else {
uint32_t bytesInRingBuffer;
uint32_t bytesToRead;
int rv;
bytesInRingBuffer=GWEN_RingBuffer_GetUsedBytes(xo->ringBuffer);
/* still reading header */
bytesToRead=xo->bytesLeft;
if (bytesInRingBuffer<bytesToRead)
bytesToRead=bytesInRingBuffer;
if (bytesToRead) {
uint32_t xferSize;
xferSize=bytesToRead;
rv=GWEN_RingBuffer_ReadBytes(xo->ringBuffer, (char*) (xo->currentMsgBuf+xo->bytesReceived), &xferSize);
if (rv<0) {
DBG_INFO(AQH_LOGDOMAIN, "Ringbuffer empty");
return 0;
bytesInRingBuffer=GWEN_RingBuffer_GetUsedBytes(xo->ringBuffer);
/* still reading header */
bytesToRead=xo->bytesLeft;
if (bytesInRingBuffer<bytesToRead)
bytesToRead=bytesInRingBuffer;
if (bytesToRead) {
uint32_t xferSize;
xferSize=bytesToRead;
rv=GWEN_RingBuffer_ReadBytes(xo->ringBuffer, (char*) (xo->currentMsgBuf+xo->bytesReceived), &xferSize);
if (rv<0) {
DBG_INFO(AQH_LOGDOMAIN, "Ringbuffer empty");
return 0;
}
if (xferSize<bytesToRead) {
DBG_ERROR(AQH_LOGDOMAIN, "Read fewer bytes than available?");
return GWEN_ERROR_GENERIC;
}
xo->bytesReceived+=xferSize;
xo->bytesLeft-=xferSize;
if (xo->bytesLeft==0) {
/* msg finished */
DBG_INFO(AQH_LOGDOMAIN, "Message complete");
return 1;
}
}
if (xferSize<bytesToRead) {
DBG_ERROR(AQH_LOGDOMAIN, "Read fewer bytes than available?");
return GWEN_ERROR_GENERIC;
}
xo->bytesReceived+=xferSize;
xo->bytesLeft-=xferSize;
if (xo->bytesLeft==0) {
/* msg finished */
DBG_INFO(AQH_LOGDOMAIN, "Message complete");
return 1;
else {
DBG_ERROR(AQH_LOGDOMAIN, "Nothing to read??");
}
}
return 0;

2
aqhome/msg/0BUILD
View File

@@ -110,11 +110,13 @@
<useTargets>
aqhmsg_node
aqhmsg_ipc
aqhmsg_mqtt
</useTargets>
<subdirs>
node
ipc
mqtt
</subdirs>

88
aqhome/msg/mqtt/0BUILD Normal file
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@@ -0,0 +1,88 @@
<?xml?>
<gwbuild>
<target type="ConvenienceLibrary" name="aqhmsg_mqtt" >
<includes type="c" >
$(gwenhywfar_cflags)
-I$(topsrcdir)
-I$(topbuilddir)
</includes>
<includes type="tm2" >
--include=$(builddir)
--include=$(srcdir)
</includes>
<define name="BUILDING_AQHOME" />
<setVar name="local/cflags">$(visibility_cflags)</setVar>
<setVar name="tm2flags" >
--api=AQHOME_API
</setVar>
<setVar name="local/typefiles" >
</setVar>
<setVar name="local/built_sources" >
</setVar>
<setVar name="local/built_headers_pub">
</setVar>
<setVar name="local/built_headers_priv" >
</setVar>
<headers dist="false" install="$(pkgincludedir)/msg" >
$(local/built_headers_pub)
</headers>
<headers dist="true" install="$(pkgincludedir)/msg" >
m_mqtt.h
m_mqtt_connect.h
m_mqtt_connack.h
m_mqtt_subscribe.h
m_mqtt_suback.h
m_mqtt_publish.h
</headers>
<headers dist="true" >
</headers>
<sources>
$(local/typefiles)
m_mqtt.c
m_mqtt_connect.c
m_mqtt_connack.c
m_mqtt_subscribe.c
m_mqtt_suback.c
m_mqtt_publish.c
</sources>
<extradist>
</extradist>
<useTargets>
</useTargets>
<subdirs>
</subdirs>
</target>
</gwbuild>

205
aqhome/msg/mqtt/m_mqtt.c Normal file
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@@ -0,0 +1,205 @@
/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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/msg/mqtt/m_mqtt.h"
#include <gwenhywfar/text.h>
#include <gwenhywfar/debug.h>
/* ------------------------------------------------------------------------------------------------
* forward declarations
* ------------------------------------------------------------------------------------------------
*/
/* ------------------------------------------------------------------------------------------------
* implementation
* ------------------------------------------------------------------------------------------------
*/
AQH_MESSAGE *AQH_MqttMessage_new(uint8_t typeAndFlags, uint32_t payloadLen, const uint8_t *payload)
{
if (payloadLen>0xfffffffu) {
DBG_ERROR(AQH_LOGDOMAIN, "Too many bytes in payload, can't encode into MQTT message");
return NULL;
}
else {
AQH_MESSAGE *msg;
uint8_t *ptr;
uint32_t msgBufLen;
uint32_t len;
uint32_t bytesUsed=0;
int i=0;
msgBufLen=16+payloadLen;
msg=AQH_Message_new();
AQH_Message_SetData(msg, NULL, msgBufLen); /* auto-malloc len bytes */
ptr=AQH_Message_GetMsgPointer(msg);
*(ptr++)=typeAndFlags;
bytesUsed++;
/* store address length */
len=payloadLen;
do {
uint8_t b;
b=len & 0x7f;
len>>=7;
if (len)
b|=0x80;
*(ptr++)=b;
bytesUsed++;
} while(len && i<4);
if (payload && payloadLen) {
memmove(ptr, payload, payloadLen);
bytesUsed+=payloadLen;
}
AQH_Message_SetUsedSize(msg, bytesUsed);
return msg;
}
}
void AQH_MqttMessage_AppendStringWithLenToBuffer(GWEN_BUFFER *buf, const char *s)
{
unsigned int len;
len=strlen(s);
GWEN_Buffer_AppendByte(buf, (len>>8) & 0xff);
GWEN_Buffer_AppendByte(buf, len & 0xff);
if (s && *s)
GWEN_Buffer_AppendString(buf, s);
}
char *AQH_MqttMessage_ExtractStringAt(const uint8_t *ptr, uint32_t len)
{
if (len>1) {
uint32_t slen;
slen=(ptr[0]<<8)+ptr[1];
if (slen) {
char *result;
if (slen>(len-2)) {
DBG_ERROR(AQH_LOGDOMAIN, "Invalid string length (%lu, remaining %lu)",
(unsigned long int) slen, (unsigned long int) len);
return NULL;
}
result=(char*) malloc(slen+1);
if (result==NULL) {
DBG_ERROR(AQH_LOGDOMAIN, "Error on malloc");
return NULL;
}
memmove(result, ptr+2, slen);
result[slen]=0;
return result;
}
}
return NULL;
}
int AQH_MqttMessage_GetOffsetOfPayload(const AQH_MESSAGE *msg)
{
const uint8_t *ptr;
int usedBytes;
int idx;
ptr=AQH_Message_GetMsgPointer(msg);
usedBytes=AQH_Message_GetUsedSize(msg);
if (usedBytes>5)
usedBytes=5;
for(idx=1; idx<usedBytes; idx++) {
uint8_t b;
b=ptr[idx];
if (!(b & 0x80))
break;
}
if (idx>=usedBytes) {
DBG_ERROR(AQH_LOGDOMAIN, "Could not determine length of size field");
return GWEN_ERROR_BAD_DATA;
}
return idx+1;
}
int AQH_MqttMessage_GetTypeAndFlags(const AQH_MESSAGE *msg)
{
const uint8_t *ptr;
uint32_t usedBytes;
ptr=AQH_Message_GetMsgPointer(msg);
usedBytes=AQH_Message_GetUsedSize(msg);
if (usedBytes)
return *ptr;
else {
DBG_ERROR(AQH_LOGDOMAIN, "No data in message");
return 0;
}
}
int AQH_MqttMessage_SkipStringAt(const uint8_t *ptr, uint32_t len)
{
if (len>1) {
uint32_t slen;
slen=(ptr[0]<<8)+ptr[1];
if (slen) {
if (slen>(len-2)) {
DBG_ERROR(AQH_LOGDOMAIN, "Invalid string length (%lu, remaining %lu)",
(unsigned long int) slen, (unsigned long int) len);
return GWEN_ERROR_BAD_DATA;
}
}
return slen+2;
}
return GWEN_ERROR_BAD_DATA;
}
const char *AQH_MqttMessage_MsgTypeToString(uint8_t t)
{
switch(t & 0xf0) {
case (AQH_MQTTMSG_MSGTYPE_CONNECT & 0xf0): return "CONNECT";
case (AQH_MQTTMSG_MSGTYPE_CONNACK & 0xf0): return "CONACK";
case (AQH_MQTTMSG_MSGTYPE_PUBLISH & 0xf0): return "PUBLISH";
case (AQH_MQTTMSG_MSGTYPE_PUBACK & 0xf0): return "PUBACK";
case (AQH_MQTTMSG_MSGTYPE_PUBREC & 0xf0): return "PUBREC";
case (AQH_MQTTMSG_MSGTYPE_PUBREL & 0xf0): return "PUBREL";
case (AQH_MQTTMSG_MSGTYPE_PUBCOMP & 0xf0): return "PUBCOMP";
case (AQH_MQTTMSG_MSGTYPE_SUBSCRIBE & 0xf0): return "SUBSCRIBE";
case (AQH_MQTTMSG_MSGTYPE_SUBACK & 0xf0): return "SUBACK";
case (AQH_MQTTMSG_MSGTYPE_UNSUBSCRIBE & 0xf0): return "UNSUBSCRIBE";
case (AQH_MQTTMSG_MSGTYPE_UNSUBACK & 0xf0): return "UNSUBACK";
case (AQH_MQTTMSG_MSGTYPE_PINGREQ & 0xf0): return "PINGREQ";
case (AQH_MQTTMSG_MSGTYPE_PINGRESP & 0xf0): return "PINGRESP";
case (AQH_MQTTMSG_MSGTYPE_DISCONNECT & 0xf0): return "DISCONNECT";
default: return "(unknown)";
}
}

63
aqhome/msg/mqtt/m_mqtt.h Normal file
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@@ -0,0 +1,63 @@
/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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.
****************************************************************************/
#ifndef AQH_M_MQTT_H
#define AQH_M_MQTT_H
#include <aqhome/api.h>
#include <aqhome/ipc2/message.h>
#include <gwenhywfar/buffer.h>
#define AQH_MQTTMSG_OFFS_CONTROL 0
#define AQH_MQTTMSG_OFFS_REMAINING_LENGTH 1
/* from https://docs.solace.com/API/MQTT-311-Prtl-Conformance-Spec/MQTT%20Control%20Packet%20format.htm
*/
#define AQH_MQTTMSG_MSGTYPE_CONNECT 0x10u
#define AQH_MQTTMSG_MSGTYPE_CONNACK 0x20u
#define AQH_MQTTMSG_MSGTYPE_PUBLISH 0x30u
#define AQH_MQTTMSG_MSGTYPE_PUBACK 0x40u
#define AQH_MQTTMSG_MSGTYPE_PUBREC 0x50u /* assured delivery part 1 */
#define AQH_MQTTMSG_MSGTYPE_PUBREL 0x62u /* assured delivery part 2 */
#define AQH_MQTTMSG_MSGTYPE_PUBCOMP 0x70u /* assured delivery part 3 */
#define AQH_MQTTMSG_MSGTYPE_SUBSCRIBE 0x82u
#define AQH_MQTTMSG_MSGTYPE_SUBACK 0x90u
#define AQH_MQTTMSG_MSGTYPE_UNSUBSCRIBE 0xa2u
#define AQH_MQTTMSG_MSGTYPE_UNSUBACK 0xb0u
#define AQH_MQTTMSG_MSGTYPE_PINGREQ 0xc0u
#define AQH_MQTTMSG_MSGTYPE_PINGRESP 0xd0u
#define AQH_MQTTMSG_MSGTYPE_DISCONNECT 0xe0u
#define AQH_MQTTMSG_FLAGS_DUP 0x08u
#define AQH_MQTTMSG_FLAGS_QOS2 0x04u
#define AQH_MQTTMSG_FLAGS_QOS1 0x02u
#define AQH_MQTTMSG_FLAGS_RETAIN 0x01u
AQHOME_API AQH_MESSAGE *AQH_MqttMessage_new(uint8_t typeAndFlags, uint32_t payloadLen, const uint8_t *payload);
AQHOME_API int AQH_MqttMessage_GetTypeAndFlags(const AQH_MESSAGE *msg);
AQHOME_API void AQH_MqttMessage_AppendStringWithLenToBuffer(GWEN_BUFFER *buf, const char *s);
AQHOME_API char *AQH_MqttMessage_ExtractStringAt(const uint8_t *ptr, uint32_t len);
AQHOME_API int AQH_MqttMessage_SkipStringAt(const uint8_t *ptr, uint32_t len);
AQHOME_API int AQH_MqttMessage_GetOffsetOfPayload(const AQH_MESSAGE *msg);
AQHOME_API const char *AQH_MqttMessage_MsgTypeToString(uint8_t t);
#endif

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/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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/msg/mqtt/m_mqtt_connack.h"
#include "aqhome/msg/mqtt/m_mqtt.h"
#include <gwenhywfar/text.h>
#include <gwenhywfar/debug.h>
/* ------------------------------------------------------------------------------------------------
* implementation
* ------------------------------------------------------------------------------------------------
*/
AQH_MESSAGE *AQH_MqttMessageConnAck_new(uint8_t flags, uint8_t result)
{
AQH_MESSAGE *msg;
GWEN_BUFFER *buf;
buf=GWEN_Buffer_new(0, 64, 0, 1);
GWEN_Buffer_AppendByte(buf, flags);
GWEN_Buffer_AppendByte(buf, result);
msg=AQH_MqttMessage_new(AQH_MQTTMSG_MSGTYPE_CONNECT, GWEN_Buffer_GetUsedBytes(buf), (const uint8_t*) GWEN_Buffer_GetStart(buf));
GWEN_Buffer_free(buf);
return msg;
}
uint8_t AQH_MqttMessageConnAck_GetResultFlags(const AQH_MESSAGE *msg)
{
int idx;
idx=AQH_MqttMessage_GetOffsetOfPayload(msg);
if (idx>0) {
const uint8_t *ptr;
int len;
ptr=AQH_Message_GetMsgPointer(msg)+idx;
len=(int)AQH_Message_GetUsedSize(msg)-idx;
if (len>0) {
return ptr[0];
}
}
return 0;
}
uint8_t AQH_MqttMessageConnAck_GetResultCode(const AQH_MESSAGE *msg)
{
int idx;
idx=AQH_MqttMessage_GetOffsetOfPayload(msg);
if (idx>0) {
const uint8_t *ptr;
int len;
ptr=AQH_Message_GetMsgPointer(msg)+idx;
len=(int)AQH_Message_GetUsedSize(msg)-idx;
if (len>1) {
return ptr[1];
}
}
return 0;
}

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/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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.
****************************************************************************/
#ifndef AQH_M_MQTT_CONNACK_H
#define AQH_M_MQTT_CONNACK_H
#include <aqhome/api.h>
#include <aqhome/ipc2/message.h>
#include <gwenhywfar/buffer.h>
#define AQH_MQTTMSG_CONNACK_FLAGS_HAVE_SESSION 0x01u
#define AQH_MQTTMSG_CONNACK_RESULT_ACCEPTED 0x00u
#define AQH_MQTTMSG_CONNACK_RESULT_BAD_PROTO 0x01u
#define AQH_MQTTMSG_CONNACK_RESULT_BAD_CLIENTID 0x02u
#define AQH_MQTTMSG_CONNACK_RESULT_UNAVAILABLE 0x03u
#define AQH_MQTTMSG_CONNACK_RESULT_BAD_CREDENTIALS 0x04u
#define AQH_MQTTMSG_CONNACK_RESULT_UNAUTHORIZED 0x05u
AQHOME_API AQH_MESSAGE *AQH_MqttMessageConnAck_new(uint8_t flags, uint8_t result);
AQHOME_API uint8_t AQH_MqttMessageConnAck_GetResultFlags(const AQH_MESSAGE *msg);
AQHOME_API uint8_t AQH_MqttMessageConnAck_GetResultCode(const AQH_MESSAGE *msg);
#endif

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/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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/msg/mqtt/m_mqtt_connect.h"
#include "aqhome/msg/mqtt/m_mqtt.h"
#include <gwenhywfar/text.h>
#include <gwenhywfar/debug.h>
/* ------------------------------------------------------------------------------------------------
* implementation
* ------------------------------------------------------------------------------------------------
*/
AQH_MESSAGE *AQH_MqttMessageConnect_new(const char *protoName,
uint8_t protoLevel,
uint8_t connectFlags,
uint16_t keepAliveTime,
const char *clientId,
const char *userName,
const char *password)
{
AQH_MESSAGE *msg;
GWEN_BUFFER *buf;
buf=GWEN_Buffer_new(0, 64, 0, 1);
AQH_MqttMessage_AppendStringWithLenToBuffer(buf, protoName?protoName:"MQTT");
GWEN_Buffer_AppendByte(buf, protoLevel?protoLevel:4);
GWEN_Buffer_AppendByte(buf, connectFlags);
GWEN_Buffer_AppendByte(buf, (keepAliveTime>>8) & 0xff);
GWEN_Buffer_AppendByte(buf, keepAliveTime & 0xff);
AQH_MqttMessage_AppendStringWithLenToBuffer(buf, clientId);
/* here could be inserted: will topic, will message */
if (connectFlags & AQH_MQTTMSG_CONNECT_FLAGS_USERNAME)
AQH_MqttMessage_AppendStringWithLenToBuffer(buf, userName);
if (connectFlags & AQH_MQTTMSG_CONNECT_FLAGS_PASSWD)
AQH_MqttMessage_AppendStringWithLenToBuffer(buf, password);
msg=AQH_MqttMessage_new(AQH_MQTTMSG_MSGTYPE_CONNECT, GWEN_Buffer_GetUsedBytes(buf), (const uint8_t*) GWEN_Buffer_GetStart(buf));
GWEN_Buffer_free(buf);
return msg;
}

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/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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.
****************************************************************************/
#ifndef AQH_M_MQTT_CONNECT_H
#define AQH_M_MQTT_CONNECT_H
#include <aqhome/api.h>
#include <aqhome/ipc2/message.h>
#include <gwenhywfar/buffer.h>
#define AQH_MQTTMSG_CONNECT_FLAGS_USERNAME 0x80u
#define AQH_MQTTMSG_CONNECT_FLAGS_PASSWD 0x40u
#define AQH_MQTTMSG_CONNECT_FLAGS_WILL_RETAIN 0x20u
#define AQH_MQTTMSG_CONNECT_FLAGS_WILL_QOS2 0x10u
#define AQH_MQTTMSG_CONNECT_FLAGS_WILL_QOS1 0x08u
#define AQH_MQTTMSG_CONNECT_FLAGS_WILL_FLAG 0x04u
#define AQH_MQTTMSG_CONNECT_FLAGS_CLEAN_SESSION 0x01u
AQHOME_API AQH_MESSAGE *AQH_MqttMessageConnect_new(const char *protoName,
uint8_t protoLevel,
uint8_t connectFlags,
uint16_t keepAliveTime,
const char *clientId,
const char *userName,
const char *password);
#endif

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aqhome/msg/mqtt/m_mqtt_publish.c Normal file
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/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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/msg/mqtt/m_mqtt_publish.h"
#include "aqhome/msg/mqtt/m_mqtt.h"
#include <gwenhywfar/text.h>
#include <gwenhywfar/debug.h>
/* ------------------------------------------------------------------------------------------------
* implementation
* ------------------------------------------------------------------------------------------------
*/
AQH_MESSAGE *AQH_MqttMessagePublish_new(uint8_t flags, uint16_t packetId,
const char *sTopic, const uint8_t *messagePtr, uint32_t messageLen)
{
AQH_MESSAGE *msg;
GWEN_BUFFER *buf;
buf=GWEN_Buffer_new(0, 64, 0, 1);
AQH_MqttMessage_AppendStringWithLenToBuffer(buf, sTopic?sTopic:"");
if (flags & (AQH_MQTTMSG_FLAGS_QOS2 | AQH_MQTTMSG_FLAGS_QOS1)) {
GWEN_Buffer_AppendByte(buf, (packetId>>8) & 0xff);
GWEN_Buffer_AppendByte(buf, packetId & 0xff);
}
/* payload */
if (messagePtr && messageLen)
GWEN_Buffer_AppendBytes(buf, (const char*) messagePtr, messageLen);
msg=AQH_MqttMessage_new(AQH_MQTTMSG_MSGTYPE_PUBLISH | flags,
GWEN_Buffer_GetUsedBytes(buf),
(const uint8_t*) GWEN_Buffer_GetStart(buf));
GWEN_Buffer_free(buf);
return msg;
}
int AQH_MqttMessagePublish_GetPacketId(const AQH_MESSAGE *msg)
{
if (AQH_MqttMessage_GetTypeAndFlags(msg) & (AQH_MQTTMSG_FLAGS_QOS2 | AQH_MQTTMSG_FLAGS_QOS1)) {
int idx;
idx=AQH_MqttMessage_GetOffsetOfPayload(msg);
if (idx>0) {
int len;
len=(int)AQH_Message_GetUsedSize(msg)-idx;
if (len>1) {
uint8_t *ptr;
int rv;
ptr=AQH_Message_GetMsgPointer(msg);
rv=AQH_MqttMessage_SkipStringAt(ptr, len);
if (rv<0) {
DBG_INFO(AQH_LOGDOMAIN, "here (%d)", rv);
return rv;
}
idx+=rv;
ptr+=rv;
len-=rv;
if (idx<len)
return (ptr[0]<<8)+ptr[1];
}
}
}
return 0;
}
char *AQH_MqttMessagePublish_ExtractTopic(const AQH_MESSAGE *msg)
{
int idx;
idx=AQH_MqttMessage_GetOffsetOfPayload(msg);
if (idx>0) {
uint8_t *ptr;
int len;
ptr=AQH_Message_GetMsgPointer(msg)+idx;
len=(int)AQH_Message_GetUsedSize(msg)-idx;
DBG_ERROR(AQH_LOGDOMAIN, "Extracting string from %d (remaining len=%d)", idx, len);
if (len>1)
return AQH_MqttMessage_ExtractStringAt(ptr, len);
}
return NULL;
}
char *AQH_MqttMessagePublish_ExtractValue(const AQH_MESSAGE *msg)
{
int idx;
idx=AQH_MqttMessage_GetOffsetOfPayload(msg);
if (idx>0) {
uint8_t *ptr;
int len;
ptr=AQH_Message_GetMsgPointer(msg)+idx;
len=(int)AQH_Message_GetUsedSize(msg)-idx;
if (len>1) {
int rv;
rv=AQH_MqttMessage_SkipStringAt(ptr, len);
if (rv<0) {
DBG_INFO(AQH_LOGDOMAIN, "here (%d)", rv);
return NULL;
}
ptr+=rv;
len-=rv;
if (AQH_MqttMessage_GetTypeAndFlags(msg) & (AQH_MQTTMSG_FLAGS_QOS2 | AQH_MQTTMSG_FLAGS_QOS1)) {
ptr+=2;
len-=2;
}
if (len>0) {
char *result;
result=(char*) malloc(len+1);
if (result) {
memmove(result, ptr, len);
result[len]=0;
return result;
}
}
}
}
return NULL;
}

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aqhome/msg/mqtt/m_mqtt_publish.h Normal file
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/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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.
****************************************************************************/
#ifndef AQH_M_MQTT_PUBLISH_H
#define AQH_M_MQTT_PUBLISH_H
#include <aqhome/api.h>
#include <aqhome/ipc2/message.h>
#include <gwenhywfar/buffer.h>
AQHOME_API AQH_MESSAGE *AQH_MqttMessagePublish_new(uint8_t flags, uint16_t packetId,
const char *sTopic, const uint8_t *messagePtr, uint32_t messageLen);
AQHOME_API int AQH_MqttMessagePublish_GetPacketId(const AQH_MESSAGE *msg);
AQHOME_API char *AQH_MqttMessagePublish_ExtractTopic(const AQH_MESSAGE *msg);
AQHOME_API char *AQH_MqttMessagePublish_ExtractValue(const AQH_MESSAGE *msg);
#endif

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aqhome/msg/mqtt/m_mqtt_suback.c Normal file
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/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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/msg/mqtt/m_mqtt_suback.h"
#include "aqhome/msg/mqtt/m_mqtt.h"
#include <gwenhywfar/text.h>
#include <gwenhywfar/debug.h>
/* ------------------------------------------------------------------------------------------------
* implementation
* ------------------------------------------------------------------------------------------------
*/
AQH_MESSAGE *AQH_MqttMessageSubAck_new(uint8_t flags, uint16_t packetId, uint8_t result)
{
AQH_MESSAGE *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=AQH_MqttMessage_new(AQH_MQTTMSG_MSGTYPE_SUBACK | flags,
GWEN_Buffer_GetUsedBytes(buf),
(const uint8_t*) GWEN_Buffer_GetStart(buf));
GWEN_Buffer_free(buf);
return msg;
}
int AQH_MqttMessageSubAck_GetPacketId(const AQH_MESSAGE *msg)
{
int idx;
idx=AQH_MqttMessage_GetOffsetOfPayload(msg);
if (idx>0) {
int len;
len=(int)AQH_Message_GetUsedSize(msg)-idx;
if (len>1) {
if (AQH_MqttMessage_GetTypeAndFlags(msg) & (AQH_MQTTMSG_FLAGS_QOS2 | AQH_MQTTMSG_FLAGS_QOS1)) {
uint8_t *ptr;
ptr=AQH_Message_GetMsgPointer(msg);
return (ptr[0]<<8)+ptr[1];
}
}
}
return 0;
}
int AQH_MqttMessageSubAck_GetResultCode(const AQH_MESSAGE *msg)
{
int idx;
idx=AQH_MqttMessage_GetOffsetOfPayload(msg);
if (idx>0) {
int len;
if (AQH_MqttMessage_GetTypeAndFlags(msg) & (AQH_MQTTMSG_FLAGS_QOS2 | AQH_MQTTMSG_FLAGS_QOS1))
idx+=2;
len=(int)AQH_Message_GetUsedSize(msg)-idx;
if (len>0) {
uint8_t *ptr;
ptr=AQH_Message_GetMsgPointer(msg);
return *ptr;
}
}
return GWEN_ERROR_BAD_DATA;
}

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aqhome/msg/mqtt/m_mqtt_suback.h Normal file
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/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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.
****************************************************************************/
#ifndef AQH_M_MQTT_SUBACK_H
#define AQH_M_MQTT_SUBACK_H
#include <aqhome/api.h>
#include <aqhome/ipc2/message.h>
#include <gwenhywfar/buffer.h>
AQHOME_API AQH_MESSAGE *AQH_MqttMessageSubAck_new(uint8_t flags, uint16_t packetId, uint8_t result);
AQHOME_API int AQH_MqttMessageSubAck_GetResultCode(const AQH_MESSAGE *msg);
AQHOME_API int AQH_MqttMessageSubAck_GetPacketId(const AQH_MESSAGE *msg);
#endif

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aqhome/msg/mqtt/m_mqtt_subscribe.c Normal file
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/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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/msg/mqtt/m_mqtt_subscribe.h"
#include "aqhome/msg/mqtt/m_mqtt.h"
#include <gwenhywfar/text.h>
#include <gwenhywfar/debug.h>
/* ------------------------------------------------------------------------------------------------
* implementation
* ------------------------------------------------------------------------------------------------
*/
AQH_MESSAGE *AQH_MqttMessageSubscribe_new(uint8_t flags, uint16_t packetId, const char *sTopic, uint8_t requestedQos)
{
AQH_MESSAGE *msg;
GWEN_BUFFER *buf;
buf=GWEN_Buffer_new(0, 64, 0, 1);
GWEN_Buffer_AppendByte(buf, (packetId>>8) & 0xff);
GWEN_Buffer_AppendByte(buf, packetId & 0xff);
/* add topic filter / qos pair */
AQH_MqttMessage_AppendStringWithLenToBuffer(buf, sTopic);
GWEN_Buffer_AppendByte(buf, requestedQos);
msg=AQH_MqttMessage_new(AQH_MQTTMSG_MSGTYPE_SUBSCRIBE | flags,
GWEN_Buffer_GetUsedBytes(buf),
(const uint8_t*) GWEN_Buffer_GetStart(buf));
GWEN_Buffer_free(buf);
return msg;
}

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aqhome/msg/mqtt/m_mqtt_subscribe.h Normal file
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/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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.
****************************************************************************/
#ifndef AQH_M_MQTT_SUBSCRIBE_H
#define AQH_M_MQTT_SUBSCRIBE_H
#include <aqhome/api.h>
#include <aqhome/ipc2/message.h>
#include <gwenhywfar/buffer.h>
AQHOME_API AQH_MESSAGE *AQH_MqttMessageSubscribe_new(uint8_t flags, uint16_t packetId, const char *sTopic, uint8_t requestedQos);
#endif