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ruanhaishen
Nodemcu Firmware
Commits
b74a9dbd
Commit
b74a9dbd
authored
Nov 08, 2016
by
Philip Gladstone
Committed by
Marcel Stör
Nov 08, 2016
Browse files
Make the MQTT PING functionality work better. (#1557)
Deal with flow control stopped case
parent
73773fd8
Changes
1
Hide whitespace changes
Inline
Side-by-side
app/modules/mqtt.c
View file @
b74a9dbd
...
@@ -72,6 +72,7 @@ typedef struct lmqtt_userdata
...
@@ -72,6 +72,7 @@ typedef struct lmqtt_userdata
uint8_t
secure
;
uint8_t
secure
;
#endif
#endif
bool
connected
;
// indicate socket connected, not mqtt prot connected.
bool
connected
;
// indicate socket connected, not mqtt prot connected.
bool
keepalive_sent
;
ETSTimer
mqttTimer
;
ETSTimer
mqttTimer
;
tConnState
connState
;
tConnState
connState
;
}
lmqtt_userdata
;
}
lmqtt_userdata
;
...
@@ -212,9 +213,9 @@ static void mqtt_connack_fail(lmqtt_userdata * mud, int reason_code)
...
@@ -212,9 +213,9 @@ static void mqtt_connack_fail(lmqtt_userdata * mud, int reason_code)
{
{
return
;
return
;
}
}
lua_State
*
L
=
lua_getstate
();
lua_State
*
L
=
lua_getstate
();
lua_rawgeti
(
L
,
LUA_REGISTRYINDEX
,
mud
->
cb_connect_fail_ref
);
lua_rawgeti
(
L
,
LUA_REGISTRYINDEX
,
mud
->
cb_connect_fail_ref
);
lua_rawgeti
(
L
,
LUA_REGISTRYINDEX
,
mud
->
self_ref
);
// pass the userdata(client) to callback func in lua
lua_rawgeti
(
L
,
LUA_REGISTRYINDEX
,
mud
->
self_ref
);
// pass the userdata(client) to callback func in lua
lua_pushinteger
(
L
,
reason_code
);
lua_pushinteger
(
L
,
reason_code
);
...
@@ -241,12 +242,12 @@ static sint8 mqtt_send_if_possible(struct espconn *pesp_conn)
...
@@ -241,12 +242,12 @@ static sint8 mqtt_send_if_possible(struct espconn *pesp_conn)
#ifdef CLIENT_SSL_ENABLE
#ifdef CLIENT_SSL_ENABLE
if
(
mud
->
secure
)
if
(
mud
->
secure
)
{
{
espconn_status
=
espconn_secure_send
(
pesp_conn
,
pending_msg
->
msg
.
data
,
pending_msg
->
msg
.
length
);
espconn_status
=
espconn_secure_send
(
pesp_conn
,
pending_msg
->
msg
.
data
,
pending_msg
->
msg
.
length
);
}
}
else
else
#endif
#endif
{
{
espconn_status
=
espconn_send
(
pesp_conn
,
pending_msg
->
msg
.
data
,
pending_msg
->
msg
.
length
);
espconn_status
=
espconn_send
(
pesp_conn
,
pending_msg
->
msg
.
data
,
pending_msg
->
msg
.
length
);
}
}
mud
->
keep_alive_tick
=
0
;
mud
->
keep_alive_tick
=
0
;
}
}
...
@@ -275,7 +276,7 @@ static void mqtt_socket_received(void *arg, char *pdata, unsigned short len)
...
@@ -275,7 +276,7 @@ static void mqtt_socket_received(void *arg, char *pdata, unsigned short len)
READPACKET:
READPACKET:
if
(
length
>
MQTT_BUF_SIZE
||
length
<=
0
)
if
(
length
>
MQTT_BUF_SIZE
||
length
<=
0
)
return
;
return
;
// c_memcpy(in_buffer, pdata, length);
// c_memcpy(in_buffer, pdata, length);
uint8_t
temp_buffer
[
MQTT_BUF_SIZE
];
uint8_t
temp_buffer
[
MQTT_BUF_SIZE
];
...
@@ -287,7 +288,7 @@ READPACKET:
...
@@ -287,7 +288,7 @@ READPACKET:
case
MQTT_CONNECT_SENDING
:
case
MQTT_CONNECT_SENDING
:
case
MQTT_CONNECT_SENT
:
case
MQTT_CONNECT_SENT
:
mud
->
event_timeout
=
0
;
mud
->
event_timeout
=
0
;
if
(
mqtt_get_type
(
in_buffer
)
!=
MQTT_MSG_TYPE_CONNACK
){
if
(
mqtt_get_type
(
in_buffer
)
!=
MQTT_MSG_TYPE_CONNACK
){
NODE_DBG
(
"MQTT: Invalid packet
\r\n
"
);
NODE_DBG
(
"MQTT: Invalid packet
\r\n
"
);
mud
->
connState
=
MQTT_INIT
;
mud
->
connState
=
MQTT_INIT
;
...
@@ -301,16 +302,16 @@ READPACKET:
...
@@ -301,16 +302,16 @@ READPACKET:
{
{
espconn_disconnect
(
pesp_conn
);
espconn_disconnect
(
pesp_conn
);
}
}
mqtt_connack_fail
(
mud
,
MQTT_CONN_FAIL_NOT_A_CONNACK_MSG
);
mqtt_connack_fail
(
mud
,
MQTT_CONN_FAIL_NOT_A_CONNACK_MSG
);
break
;
break
;
}
else
if
(
mqtt_get_connect_ret_code
(
in_buffer
)
!=
MQTT_CONNACK_ACCEPTED
)
{
}
else
if
(
mqtt_get_connect_ret_code
(
in_buffer
)
!=
MQTT_CONNACK_ACCEPTED
)
{
NODE_DBG
(
"MQTT: CONNACK REFUSED (CODE: %d)
\n
"
,
mqtt_get_connect_ret_code
(
in_buffer
));
NODE_DBG
(
"MQTT: CONNACK REFUSED (CODE: %d)
\n
"
,
mqtt_get_connect_ret_code
(
in_buffer
));
mud
->
connState
=
MQTT_INIT
;
mud
->
connState
=
MQTT_INIT
;
#ifdef CLIENT_SSL_ENABLE
#ifdef CLIENT_SSL_ENABLE
if
(
mud
->
secure
)
if
(
mud
->
secure
)
{
{
...
@@ -320,12 +321,12 @@ READPACKET:
...
@@ -320,12 +321,12 @@ READPACKET:
#endif
#endif
{
{
espconn_disconnect
(
pesp_conn
);
espconn_disconnect
(
pesp_conn
);
}
}
mqtt_connack_fail
(
mud
,
mqtt_get_connect_ret_code
(
in_buffer
));
mqtt_connack_fail
(
mud
,
mqtt_get_connect_ret_code
(
in_buffer
));
break
;
break
;
}
else
{
}
else
{
mud
->
connState
=
MQTT_DATA
;
mud
->
connState
=
MQTT_DATA
;
NODE_DBG
(
"MQTT: Connected
\r\n
"
);
NODE_DBG
(
"MQTT: Connected
\r\n
"
);
...
@@ -454,6 +455,7 @@ READPACKET:
...
@@ -454,6 +455,7 @@ READPACKET:
break
;
break
;
case
MQTT_MSG_TYPE_PINGRESP
:
case
MQTT_MSG_TYPE_PINGRESP
:
// Ignore
// Ignore
mud
->
keepalive_sent
=
0
;
NODE_DBG
(
"MQTT: PINGRESP received
\r\n
"
);
NODE_DBG
(
"MQTT: PINGRESP received
\r\n
"
);
break
;
break
;
}
}
...
@@ -585,7 +587,7 @@ void mqtt_socket_timer(void *arg)
...
@@ -585,7 +587,7 @@ void mqtt_socket_timer(void *arg)
NODE_DBG
(
"timer, queue size: %d
\n
"
,
msg_size
(
&
(
mud
->
mqtt_state
.
pending_msg_q
)));
NODE_DBG
(
"timer, queue size: %d
\n
"
,
msg_size
(
&
(
mud
->
mqtt_state
.
pending_msg_q
)));
if
(
mud
->
event_timeout
>
0
){
if
(
mud
->
event_timeout
>
0
){
NODE_DBG
(
"event_timeout: %d.
\n
"
,
mud
->
event_timeout
);
NODE_DBG
(
"event_timeout: %d.
\n
"
,
mud
->
event_timeout
);
mud
->
event_timeout
--
;
mud
->
event_timeout
--
;
if
(
mud
->
event_timeout
>
0
){
if
(
mud
->
event_timeout
>
0
){
return
;
return
;
}
else
{
}
else
{
...
@@ -605,7 +607,7 @@ void mqtt_socket_timer(void *arg)
...
@@ -605,7 +607,7 @@ void mqtt_socket_timer(void *arg)
NODE_DBG
(
"sSend MQTT_CONNECT failed.
\n
"
);
NODE_DBG
(
"sSend MQTT_CONNECT failed.
\n
"
);
mud
->
connState
=
MQTT_INIT
;
mud
->
connState
=
MQTT_INIT
;
mqtt_connack_fail
(
mud
,
MQTT_CONN_FAIL_TIMEOUT_SENDING
);
mqtt_connack_fail
(
mud
,
MQTT_CONN_FAIL_TIMEOUT_SENDING
);
#ifdef CLIENT_SSL_ENABLE
#ifdef CLIENT_SSL_ENABLE
if
(
mud
->
secure
)
if
(
mud
->
secure
)
{
{
...
@@ -620,7 +622,7 @@ void mqtt_socket_timer(void *arg)
...
@@ -620,7 +622,7 @@ void mqtt_socket_timer(void *arg)
}
else
if
(
mud
->
connState
==
MQTT_CONNECT_SENT
)
{
// wait for CONACK time out.
}
else
if
(
mud
->
connState
==
MQTT_CONNECT_SENT
)
{
// wait for CONACK time out.
NODE_DBG
(
"MQTT_CONNECT timeout.
\n
"
);
NODE_DBG
(
"MQTT_CONNECT timeout.
\n
"
);
mud
->
connState
=
MQTT_INIT
;
mud
->
connState
=
MQTT_INIT
;
#ifdef CLIENT_SSL_ENABLE
#ifdef CLIENT_SSL_ENABLE
if
(
mud
->
secure
)
if
(
mud
->
secure
)
{
{
...
@@ -630,7 +632,7 @@ void mqtt_socket_timer(void *arg)
...
@@ -630,7 +632,7 @@ void mqtt_socket_timer(void *arg)
#endif
#endif
{
{
espconn_disconnect
(
mud
->
pesp_conn
);
espconn_disconnect
(
mud
->
pesp_conn
);
}
}
mqtt_connack_fail
(
mud
,
MQTT_CONN_FAIL_TIMEOUT_RECEIVING
);
mqtt_connack_fail
(
mud
,
MQTT_CONN_FAIL_TIMEOUT_RECEIVING
);
}
else
if
(
mud
->
connState
==
MQTT_DATA
){
}
else
if
(
mud
->
connState
==
MQTT_DATA
){
msg_queue_t
*
pending_msg
=
msg_peek
(
&
(
mud
->
mqtt_state
.
pending_msg_q
));
msg_queue_t
*
pending_msg
=
msg_peek
(
&
(
mud
->
mqtt_state
.
pending_msg_q
));
...
@@ -640,13 +642,20 @@ void mqtt_socket_timer(void *arg)
...
@@ -640,13 +642,20 @@ void mqtt_socket_timer(void *arg)
// no queued event.
// no queued event.
mud
->
keep_alive_tick
++
;
mud
->
keep_alive_tick
++
;
if
(
mud
->
keep_alive_tick
>
mud
->
mqtt_state
.
connect_info
->
keepalive
){
if
(
mud
->
keep_alive_tick
>
mud
->
mqtt_state
.
connect_info
->
keepalive
){
uint8_t
temp_buffer
[
MQTT_BUF_SIZE
];
if
(
mud
->
keepalive_sent
)
{
mqtt_msg_init
(
&
mud
->
mqtt_state
.
mqtt_connection
,
temp_buffer
,
MQTT_BUF_SIZE
);
// Oh dear -- keepalive timer expired and still no ack of previous message
NODE_DBG
(
"
\r\n
MQTT: Send keepalive packet
\r\n
"
);
mqtt_socket_reconnected
(
mud
->
pesp_conn
,
0
);
mqtt_message_t
*
temp_msg
=
mqtt_msg_pingreq
(
&
mud
->
mqtt_state
.
mqtt_connection
);
}
else
{
msg_queue_t
*
node
=
msg_enqueue
(
&
(
mud
->
mqtt_state
.
pending_msg_q
),
temp_msg
,
uint8_t
temp_buffer
[
MQTT_BUF_SIZE
];
0
,
MQTT_MSG_TYPE_PINGREQ
,
(
int
)
mqtt_get_qos
(
temp_msg
->
data
)
);
mqtt_msg_init
(
&
mud
->
mqtt_state
.
mqtt_connection
,
temp_buffer
,
MQTT_BUF_SIZE
);
mqtt_send_if_possible
(
mud
->
pesp_conn
);
NODE_DBG
(
"
\r\n
MQTT: Send keepalive packet
\r\n
"
);
mqtt_message_t
*
temp_msg
=
mqtt_msg_pingreq
(
&
mud
->
mqtt_state
.
mqtt_connection
);
msg_queue_t
*
node
=
msg_enqueue
(
&
(
mud
->
mqtt_state
.
pending_msg_q
),
temp_msg
,
0
,
MQTT_MSG_TYPE_PINGREQ
,
(
int
)
mqtt_get_qos
(
temp_msg
->
data
)
);
mud
->
keepalive_sent
=
1
;
mud
->
keep_alive_tick
=
0
;
// Need to reset to zero in case flow control stopped.
mqtt_send_if_possible
(
mud
->
pesp_conn
);
}
}
}
}
}
}
}
...
@@ -675,6 +684,7 @@ static int mqtt_socket_client( lua_State* L )
...
@@ -675,6 +684,7 @@ static int mqtt_socket_client( lua_State* L )
// create a object
// create a object
mud
=
(
lmqtt_userdata
*
)
lua_newuserdata
(
L
,
sizeof
(
lmqtt_userdata
));
mud
=
(
lmqtt_userdata
*
)
lua_newuserdata
(
L
,
sizeof
(
lmqtt_userdata
));
c_memset
(
mud
,
0
,
sizeof
(
*
mud
));
// pre-initialize it, in case of errors
// pre-initialize it, in case of errors
mud
->
self_ref
=
LUA_NOREF
;
mud
->
self_ref
=
LUA_NOREF
;
mud
->
cb_connect_ref
=
LUA_NOREF
;
mud
->
cb_connect_ref
=
LUA_NOREF
;
...
@@ -685,18 +695,8 @@ static int mqtt_socket_client( lua_State* L )
...
@@ -685,18 +695,8 @@ static int mqtt_socket_client( lua_State* L )
mud
->
cb_suback_ref
=
LUA_NOREF
;
mud
->
cb_suback_ref
=
LUA_NOREF
;
mud
->
cb_unsuback_ref
=
LUA_NOREF
;
mud
->
cb_unsuback_ref
=
LUA_NOREF
;
mud
->
cb_puback_ref
=
LUA_NOREF
;
mud
->
cb_puback_ref
=
LUA_NOREF
;
mud
->
pesp_conn
=
NULL
;
#ifdef CLIENT_SSL_ENABLE
mud
->
secure
=
0
;
#endif
mud
->
keep_alive_tick
=
0
;
mud
->
event_timeout
=
0
;
mud
->
connState
=
MQTT_INIT
;
mud
->
connState
=
MQTT_INIT
;
mud
->
connected
=
false
;
c_memset
(
&
mud
->
mqttTimer
,
0
,
sizeof
(
ETSTimer
));
c_memset
(
&
mud
->
mqtt_state
,
0
,
sizeof
(
mqtt_state_t
));
c_memset
(
&
mud
->
connect_info
,
0
,
sizeof
(
mqtt_connect_info_t
));
// set its metatable
// set its metatable
luaL_getmetatable
(
L
,
"mqtt.socket"
);
luaL_getmetatable
(
L
,
"mqtt.socket"
);
...
@@ -761,7 +761,7 @@ static int mqtt_socket_client( lua_State* L )
...
@@ -761,7 +761,7 @@ static int mqtt_socket_client( lua_State* L )
c_free
(
mud
->
connect_info
.
password
);
c_free
(
mud
->
connect_info
.
password
);
mud
->
connect_info
.
password
=
NULL
;
mud
->
connect_info
.
password
=
NULL
;
}
}
return
luaL_error
(
L
,
"not enough memory"
);
return
luaL_error
(
L
,
"not enough memory"
);
}
}
c_memcpy
(
mud
->
connect_info
.
client_id
,
clientId
,
idl
);
c_memcpy
(
mud
->
connect_info
.
client_id
,
clientId
,
idl
);
...
@@ -819,8 +819,8 @@ static int mqtt_delete( lua_State* L )
...
@@ -819,8 +819,8 @@ static int mqtt_delete( lua_State* L )
// ---- alloc-ed in mqtt_socket_lwt()
// ---- alloc-ed in mqtt_socket_lwt()
if
(
mud
->
connect_info
.
will_topic
){
if
(
mud
->
connect_info
.
will_topic
){
c_free
(
mud
->
connect_info
.
will_topic
);
c_free
(
mud
->
connect_info
.
will_topic
);
mud
->
connect_info
.
will_topic
=
NULL
;
mud
->
connect_info
.
will_topic
=
NULL
;
}
}
if
(
mud
->
connect_info
.
will_message
){
if
(
mud
->
connect_info
.
will_message
){
...
@@ -926,7 +926,7 @@ static sint8 socket_dns_found(const char *name, ip_addr_t *ipaddr, void *arg)
...
@@ -926,7 +926,7 @@ static sint8 socket_dns_found(const char *name, ip_addr_t *ipaddr, void *arg)
if
(
dns_reconn_count
>=
5
){
if
(
dns_reconn_count
>=
5
){
NODE_ERR
(
"DNS Fail!
\n
"
);
NODE_ERR
(
"DNS Fail!
\n
"
);
// Note: should delete the pesp_conn or unref self_ref here.
// Note: should delete the pesp_conn or unref self_ref here.
struct
espconn
*
pesp_conn
=
arg
;
struct
espconn
*
pesp_conn
=
arg
;
if
(
pesp_conn
!=
NULL
)
{
if
(
pesp_conn
!=
NULL
)
{
lmqtt_userdata
*
mud
=
(
lmqtt_userdata
*
)
pesp_conn
->
reverse
;
lmqtt_userdata
*
mud
=
(
lmqtt_userdata
*
)
pesp_conn
->
reverse
;
...
@@ -934,7 +934,7 @@ static sint8 socket_dns_found(const char *name, ip_addr_t *ipaddr, void *arg)
...
@@ -934,7 +934,7 @@ static sint8 socket_dns_found(const char *name, ip_addr_t *ipaddr, void *arg)
mqtt_connack_fail
(
mud
,
MQTT_CONN_FAIL_DNS
);
mqtt_connack_fail
(
mud
,
MQTT_CONN_FAIL_DNS
);
}
}
}
}
mqtt_socket_disconnected
(
arg
);
// although not connected, but fire disconnect callback to release every thing.
mqtt_socket_disconnected
(
arg
);
// although not connected, but fire disconnect callback to release every thing.
return
-
1
;
return
-
1
;
}
}
...
@@ -1070,7 +1070,7 @@ static int mqtt_socket_connect( lua_State* L )
...
@@ -1070,7 +1070,7 @@ static int mqtt_socket_connect( lua_State* L )
}
}
stack
++
;
stack
++
;
// call back function when a connection fails
// call back function when a connection fails
if
((
stack
<=
top
)
&&
(
lua_type
(
L
,
stack
)
==
LUA_TFUNCTION
||
lua_type
(
L
,
stack
)
==
LUA_TLIGHTFUNCTION
)){
if
((
stack
<=
top
)
&&
(
lua_type
(
L
,
stack
)
==
LUA_TFUNCTION
||
lua_type
(
L
,
stack
)
==
LUA_TLIGHTFUNCTION
)){
lua_pushvalue
(
L
,
stack
);
// copy argument (func) to the top of stack
lua_pushvalue
(
L
,
stack
);
// copy argument (func) to the top of stack
...
@@ -1135,7 +1135,7 @@ static int mqtt_socket_close( lua_State* L )
...
@@ -1135,7 +1135,7 @@ static int mqtt_socket_close( lua_State* L )
// Send disconnect message
// Send disconnect message
mqtt_message_t
*
temp_msg
=
mqtt_msg_disconnect
(
&
mud
->
mqtt_state
.
mqtt_connection
);
mqtt_message_t
*
temp_msg
=
mqtt_msg_disconnect
(
&
mud
->
mqtt_state
.
mqtt_connection
);
NODE_DBG
(
"Send MQTT disconnect infomation, data len: %d, d[0]=%d
\r\n
"
,
temp_msg
->
length
,
temp_msg
->
data
[
0
]);
NODE_DBG
(
"Send MQTT disconnect infomation, data len: %d, d[0]=%d
\r\n
"
,
temp_msg
->
length
,
temp_msg
->
data
[
0
]);
#ifdef CLIENT_SSL_ENABLE
#ifdef CLIENT_SSL_ENABLE
if
(
mud
->
secure
)
{
if
(
mud
->
secure
)
{
espconn_status
=
espconn_secure_send
(
mud
->
pesp_conn
,
temp_msg
->
data
,
temp_msg
->
length
);
espconn_status
=
espconn_secure_send
(
mud
->
pesp_conn
,
temp_msg
->
data
,
temp_msg
->
length
);
...
@@ -1150,7 +1150,7 @@ static int mqtt_socket_close( lua_State* L )
...
@@ -1150,7 +1150,7 @@ static int mqtt_socket_close( lua_State* L )
}
}
}
}
mud
->
connected
=
0
;
mud
->
connected
=
0
;
while
(
mud
->
mqtt_state
.
pending_msg_q
)
{
while
(
mud
->
mqtt_state
.
pending_msg_q
)
{
msg_destroy
(
msg_dequeue
(
&
(
mud
->
mqtt_state
.
pending_msg_q
)));
msg_destroy
(
msg_dequeue
(
&
(
mud
->
mqtt_state
.
pending_msg_q
)));
}
}
...
@@ -1595,7 +1595,7 @@ static const LUA_REG_TYPE mqtt_socket_map[] = {
...
@@ -1595,7 +1595,7 @@ static const LUA_REG_TYPE mqtt_socket_map[] = {
{
LNILKEY
,
LNILVAL
}
{
LNILKEY
,
LNILVAL
}
};
};
static
const
LUA_REG_TYPE
mqtt_map
[]
=
{
static
const
LUA_REG_TYPE
mqtt_map
[]
=
{
{
LSTRKEY
(
"Client"
),
LFUNCVAL
(
mqtt_socket_client
)
},
{
LSTRKEY
(
"Client"
),
LFUNCVAL
(
mqtt_socket_client
)
},
...
@@ -1609,7 +1609,7 @@ static const LUA_REG_TYPE mqtt_map[] = {
...
@@ -1609,7 +1609,7 @@ static const LUA_REG_TYPE mqtt_map[] = {
{
LSTRKEY
(
"CONNACK_REFUSED_ID_REJECTED"
),
LNUMVAL
(
MQTT_CONNACK_REFUSED_ID_REJECTED
)
},
{
LSTRKEY
(
"CONNACK_REFUSED_ID_REJECTED"
),
LNUMVAL
(
MQTT_CONNACK_REFUSED_ID_REJECTED
)
},
{
LSTRKEY
(
"CONNACK_REFUSED_SERVER_UNAVAILABLE"
),
LNUMVAL
(
MQTT_CONNACK_REFUSED_SERVER_UNAVAILABLE
)
},
{
LSTRKEY
(
"CONNACK_REFUSED_SERVER_UNAVAILABLE"
),
LNUMVAL
(
MQTT_CONNACK_REFUSED_SERVER_UNAVAILABLE
)
},
{
LSTRKEY
(
"CONNACK_REFUSED_BAD_USER_OR_PASS"
),
LNUMVAL
(
MQTT_CONNACK_REFUSED_BAD_USER_OR_PASS
)
},
{
LSTRKEY
(
"CONNACK_REFUSED_BAD_USER_OR_PASS"
),
LNUMVAL
(
MQTT_CONNACK_REFUSED_BAD_USER_OR_PASS
)
},
{
LSTRKEY
(
"CONNACK_REFUSED_NOT_AUTHORIZED"
),
LNUMVAL
(
MQTT_CONNACK_REFUSED_NOT_AUTHORIZED
)
},
{
LSTRKEY
(
"CONNACK_REFUSED_NOT_AUTHORIZED"
),
LNUMVAL
(
MQTT_CONNACK_REFUSED_NOT_AUTHORIZED
)
},
{
LSTRKEY
(
"__metatable"
),
LROVAL
(
mqtt_map
)
},
{
LSTRKEY
(
"__metatable"
),
LROVAL
(
mqtt_map
)
},
{
LNILKEY
,
LNILVAL
}
{
LNILKEY
,
LNILVAL
}
...
...
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