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体验新版 GitCode,发现更多精彩内容 >>
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ff811a93
编写于
2月 06, 2018
作者:
wuyangyong
浏览文件
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电子邮件补丁
差异文件
[examples] remove unused old code.
上级
0979e30c
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examples/network/mqttclient.c
examples/network/mqttclient.c
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examples/network/mqttclient.c
已删除
100644 → 0
浏览文件 @
0979e30c
#define OS_RTTHREAD 1
#if (OS_RTTHREAD == 0)
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/select.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <signal.h>
#include <stdlib.h>
#define DEBUG printf
#define SLEEP(x) sleep(x)
#else
#include <rtthread.h>
#include <lwip/netdb.h>
#include <lwip/sockets.h>
#include <arch/sys_arch.h>
#include <lwip/sys.h>
#define DEBUG rt_kprintf
#define SLEEP(x) rt_thread_delay((x)*RT_TICK_PER_SECOND)
#endif
#include <string.h>
#include "MQTTPacket.h"
#define HOSTNAME "m2m.eclipse.org"
#define HOSTPORT 1883
#define USERNAME "testuser"
#define PASSWORD "testpassword"
#define TOPIC "test"
#define KEEPALIVE_INTERVAL 20
typedef
struct
{
int
qos
;
unsigned
char
retained
;
unsigned
char
dup
;
unsigned
short
id
;
int
payloadlen
;
unsigned
char
*
payload
;
}
mqtt_msg_t
;
typedef
struct
{
int
sockfd
;
unsigned
char
*
wbuf
;
//
int
wbuflen
;
unsigned
char
*
rbuf
;
int
rbuflen
;
int
(
*
getfn
)(
unsigned
char
*
,
int
);
}
mqtt_client_t
;
static
mqtt_client_t
_cpub
;
static
mqtt_client_t
_csub
;
static
void
*
mqtt_ping_thread
(
void
*
param
)
{
int
*
sockfd
=
(
int
*
)
param
;
unsigned
char
buf
[
2
];
int
len
;
DEBUG
(
"ping start
\n
"
);
while
(
*
sockfd
>=
0
)
{
SLEEP
(
KEEPALIVE_INTERVAL
-
1
);
len
=
MQTTSerialize_pingreq
(
buf
,
sizeof
(
buf
));
send
(
*
sockfd
,
buf
,
len
,
0
);
}
DEBUG
(
"ping exit
\n
"
);
return
0
;
}
void
mqtt_ping_start
(
int
*
sockfd
)
{
#if (OS_RTTHREAD == 0)
pthread_t
tid
;
pthread_create
(
&
tid
,
NULL
,
mqtt_ping_thread
,
(
void
*
)
sockfd
);
#else
sys_thread_new
(
"ping"
,
mqtt_ping_thread
,
(
void
*
)
sockfd
,
512
,
20
);
#endif
}
static
int
sub_read
(
unsigned
char
*
buf
,
int
len
)
{
int
bytes
=
0
;
struct
timeval
interval
;
int
rc
;
interval
.
tv_sec
=
3
;
interval
.
tv_usec
=
0
;
rc
=
setsockopt
(
_csub
.
sockfd
,
SOL_SOCKET
,
SO_RCVTIMEO
,
(
char
*
)
&
interval
,
sizeof
(
struct
timeval
));
while
(
bytes
<
len
)
{
rc
=
recv
(
_csub
.
sockfd
,
&
buf
[
bytes
],
(
size_t
)(
len
-
bytes
),
0
);
if
(
rc
==
-
1
)
{
if
(
errno
!=
ENOTCONN
&&
errno
!=
ECONNRESET
)
{
bytes
=
-
1
;
break
;
}
}
else
bytes
+=
rc
;
}
return
bytes
;
}
static
int
pub_read
(
unsigned
char
*
buf
,
int
len
)
{
int
bytes
=
0
;
struct
timeval
interval
;
int
rc
;
interval
.
tv_sec
=
3
;
interval
.
tv_usec
=
0
;
rc
=
setsockopt
(
_cpub
.
sockfd
,
SOL_SOCKET
,
SO_RCVTIMEO
,
(
char
*
)
&
interval
,
sizeof
(
struct
timeval
));
while
(
bytes
<
len
)
{
rc
=
recv
(
_cpub
.
sockfd
,
&
buf
[
bytes
],
(
size_t
)(
len
-
bytes
),
0
);
if
(
rc
==
-
1
)
{
if
(
errno
!=
ENOTCONN
&&
errno
!=
ECONNRESET
)
{
bytes
=
-
1
;
break
;
}
}
else
bytes
+=
rc
;
}
return
bytes
;
}
int
mqtt_write
(
int
sockfd
,
unsigned
char
*
buf
,
int
len
)
{
int
rc
;
struct
timeval
tv
;
tv
.
tv_sec
=
2
;
tv
.
tv_usec
=
0
;
setsockopt
(
sockfd
,
SOL_SOCKET
,
SO_SNDTIMEO
,
(
char
*
)
&
tv
,
sizeof
(
struct
timeval
));
rc
=
send
(
sockfd
,
buf
,
len
,
0
);
if
(
rc
==
len
)
rc
=
0
;
return
rc
;
}
int
mqtt_subscribe
(
mqtt_client_t
*
c
,
char
*
topicstr
,
int
qos
)
{
MQTTString
topic
=
MQTTString_initializer
;
int
msgid
=
1
;
int
len
;
int
rc
=
-
1
;
topic
.
cstring
=
topicstr
;
len
=
MQTTSerialize_subscribe
(
c
->
wbuf
,
c
->
wbuflen
,
0
,
msgid
,
1
,
&
topic
,
&
qos
);
if
(
len
<=
0
)
goto
exit
;
rc
=
mqtt_write
(
c
->
sockfd
,
c
->
wbuf
,
len
);
if
(
rc
<
0
)
goto
exit
;
if
(
MQTTPacket_read
(
c
->
rbuf
,
c
->
rbuflen
,
c
->
getfn
)
==
SUBACK
)
{
unsigned
short
submsgid
;
int
subcount
;
int
granted_qos
;
rc
=
MQTTDeserialize_suback
(
&
submsgid
,
1
,
&
subcount
,
&
granted_qos
,
c
->
rbuf
,
c
->
rbuflen
);
if
(
granted_qos
!=
0
)
{
DEBUG
(
"granted qos != 0, %d
\n
"
,
granted_qos
);
rc
=
-
1
;
}
else
{
rc
=
0
;
}
}
else
{
rc
=
-
1
;
}
exit:
return
rc
;
}
int
mqtt_publish
(
mqtt_client_t
*
c
,
char
*
topicstr
,
mqtt_msg_t
*
msg
)
{
int
rc
=
-
1
;
MQTTString
topic
=
MQTTString_initializer
;
int
len
;
int
pktype
;
topic
.
cstring
=
topicstr
;
len
=
MQTTSerialize_publish
(
c
->
wbuf
,
c
->
wbuflen
,
msg
->
dup
,
msg
->
qos
,
msg
->
retained
,
msg
->
id
,
topic
,
msg
->
payload
,
msg
->
payloadlen
);
if
(
len
<=
0
)
goto
exit
;
if
((
rc
=
mqtt_write
(
c
->
sockfd
,
c
->
wbuf
,
len
))
<=
0
)
goto
exit
;
pktype
=
MQTTPacket_read
(
c
->
rbuf
,
c
->
rbuflen
,
c
->
getfn
);
if
(
msg
->
qos
==
1
)
{
if
(
pktype
==
PUBACK
)
{
unsigned
short
mypacketid
;
unsigned
char
dup
,
type
;
if
(
MQTTDeserialize_ack
(
&
type
,
&
dup
,
&
mypacketid
,
c
->
rbuf
,
c
->
rbuflen
)
!=
1
)
rc
=
-
1
;
}
else
rc
=
-
1
;
}
else
if
(
msg
->
qos
==
2
)
{
if
(
pktype
==
PUBCOMP
)
{
unsigned
short
mypacketid
;
unsigned
char
dup
,
type
;
if
(
MQTTDeserialize_ack
(
&
type
,
&
dup
,
&
mypacketid
,
c
->
rbuf
,
c
->
rbuflen
)
!=
1
)
rc
=
-
1
;
}
else
rc
=
-
1
;
}
exit:
return
rc
;
}
int
mqtt_netconnect
(
char
*
addr
,
int
port
)
{
struct
hostent
*
host
=
0
;
struct
sockaddr_in
sockaddr
;
int
sock
;
host
=
gethostbyname
(
addr
);
if
(
host
==
0
)
return
-
1
;
if
((
sock
=
socket
(
AF_INET
,
SOCK_STREAM
,
0
))
==
-
1
)
{
return
-
1
;
}
sockaddr
.
sin_family
=
AF_INET
;
sockaddr
.
sin_port
=
htons
(
port
);
sockaddr
.
sin_addr
=
*
((
struct
in_addr
*
)
host
->
h_addr
);
memset
(
&
(
sockaddr
.
sin_zero
),
0
,
sizeof
(
sockaddr
.
sin_zero
));
if
(
connect
(
sock
,
(
struct
sockaddr
*
)
&
sockaddr
,
sizeof
(
struct
sockaddr
))
==
-
1
)
{
#if (OS_RTTHREAD == 0)
close
(
sock
);
#else
closesocket
(
sock
);
#endif
return
-
2
;
}
return
sock
;
}
void
mqtt_netdisconnect
(
int
*
sockfd
)
{
#if (OS_RTTHREAD == 0)
close
(
*
sockfd
);
#else
closesocket
(
*
sockfd
);
#endif
*
sockfd
=
-
1
;
}
int
mqtt_connect
(
mqtt_client_t
*
c
,
MQTTPacket_connectData
*
data
)
{
int
rc
=
-
1
;
int
len
;
len
=
MQTTSerialize_connect
(
c
->
wbuf
,
c
->
wbuflen
,
data
);
if
(
len
<=
0
)
goto
exit
;
rc
=
mqtt_write
(
c
->
sockfd
,
c
->
wbuf
,
len
);
if
(
rc
<
0
)
goto
exit
;
rc
=
MQTTPacket_read
(
c
->
rbuf
,
c
->
rbuflen
,
c
->
getfn
);
if
(
rc
<
0
)
goto
exit
;
if
(
rc
==
CONNACK
)
{
unsigned
char
sessionPresent
,
connack_rc
;
if
(
MQTTDeserialize_connack
(
&
sessionPresent
,
&
connack_rc
,
c
->
rbuf
,
c
->
rbuflen
)
==
1
)
{
rc
=
connack_rc
;
}
else
{
rc
=
-
1
;
}
}
else
rc
=
-
1
;
exit:
return
rc
;
}
int
mqtt_disconnect
(
mqtt_client_t
*
c
)
{
int
rc
=
-
1
;
int
len
;
len
=
MQTTSerialize_disconnect
(
c
->
wbuf
,
c
->
wbuflen
);
if
(
len
>
0
)
{
rc
=
mqtt_write
(
c
->
sockfd
,
c
->
wbuf
,
len
);
}
return
rc
;
}
static
void
*
mqtt_pub_thread
(
void
*
param
)
{
MQTTPacket_connectData
condata
=
MQTTPacket_connectData_initializer
;
int
rc
;
unsigned
char
rbuf
[
64
];
unsigned
char
wbuf
[
64
];
DEBUG
(
"pub thread start
\n
"
);
/* */
_cpub
.
rbuf
=
rbuf
;
_cpub
.
rbuflen
=
sizeof
(
rbuf
);
_cpub
.
wbuf
=
wbuf
;
_cpub
.
wbuflen
=
sizeof
(
wbuf
);
_cpub
.
getfn
=
pub_read
;
if
((
_cpub
.
sockfd
=
mqtt_netconnect
(
HOSTNAME
,
HOSTPORT
))
<
0
)
{
DEBUG
(
"pub netconnet fail
\n
"
);
return
0
;
}
DEBUG
(
"pub connect to: %s %d
\n
"
,
HOSTNAME
,
HOSTPORT
);
condata
.
clientID
.
cstring
=
"mqttpub"
;
condata
.
keepAliveInterval
=
KEEPALIVE_INTERVAL
;
condata
.
cleansession
=
1
;
condata
.
username
.
cstring
=
USERNAME
;
condata
.
password
.
cstring
=
PASSWORD
;
rc
=
mqtt_connect
(
&
_cpub
,
&
condata
);
if
(
rc
<
0
)
goto
exit
;
DEBUG
(
"pub connect ok
\n
"
);
mqtt_ping_start
(
&
_cpub
.
sockfd
);
while
(
rc
==
0
)
{
mqtt_msg_t
msg
;
SLEEP
(
5
);
msg
.
dup
=
0
;
msg
.
id
=
0
;
msg
.
qos
=
0
;
msg
.
retained
=
0
;
msg
.
payload
=
(
unsigned
char
*
)
"RT-Thread"
;
msg
.
payloadlen
=
strlen
((
const
char
*
)
msg
.
payload
);
rc
=
mqtt_publish
(
&
_cpub
,
TOPIC
,
&
msg
);
}
exit:
mqtt_netdisconnect
(
&
_cpub
.
sockfd
);
DEBUG
(
"pub thread exit
\n
"
);
return
0
;
}
void
msgprocess
(
MQTTString
*
topic
,
mqtt_msg_t
*
msg
)
{
msg
->
payload
[
msg
->
payloadlen
]
=
0
;
DEBUG
(
"recv: size = %d, msg = %s
\n
"
,
msg
->
payloadlen
,
msg
->
payload
);
}
static
void
*
mqtt_sub_thread
(
void
*
param
)
{
MQTTPacket_connectData
condata
=
MQTTPacket_connectData_initializer
;
int
pktype
,
rc
,
len
;
int
failcnt
=
0
;
unsigned
char
wbuf
[
64
];
unsigned
char
rbuf
[
64
];
DEBUG
(
"sub thread start
\n
"
);
_csub
.
wbuf
=
wbuf
;
_csub
.
wbuflen
=
sizeof
(
wbuf
);
_csub
.
rbuf
=
rbuf
;
_csub
.
rbuflen
=
sizeof
(
rbuf
);
_csub
.
getfn
=
sub_read
;
if
((
_csub
.
sockfd
=
mqtt_netconnect
(
HOSTNAME
,
HOSTPORT
))
<
0
)
{
DEBUG
(
"sub netconnect fail
\n
"
);
return
0
;
}
DEBUG
(
"sub connect to: %s %d
\n
"
,
HOSTNAME
,
HOSTPORT
);
condata
.
clientID
.
cstring
=
"mqttsub"
;
condata
.
keepAliveInterval
=
KEEPALIVE_INTERVAL
;
condata
.
cleansession
=
1
;
condata
.
username
.
cstring
=
USERNAME
;
condata
.
password
.
cstring
=
PASSWORD
;
rc
=
mqtt_connect
(
&
_csub
,
&
condata
);
if
(
rc
<
0
)
goto
exit
;
DEBUG
(
"sub connect ok
\n
"
);
rc
=
mqtt_subscribe
(
&
_csub
,
TOPIC
,
0
);
if
(
rc
<
0
)
goto
exit
;
DEBUG
(
"sub topic: %s
\n
"
,
TOPIC
);
mqtt_ping_start
(
&
_csub
.
sockfd
);
while
(
1
)
{
pktype
=
MQTTPacket_read
(
_csub
.
rbuf
,
_csub
.
rbuflen
,
sub_read
);
switch
(
pktype
)
{
case
CONNACK
:
case
PUBACK
:
case
SUBACK
:
break
;
case
PUBLISH
:
{
MQTTString
topic
;
mqtt_msg_t
msg
;
if
(
MQTTDeserialize_publish
(
&
msg
.
dup
,
&
msg
.
qos
,
&
msg
.
retained
,
&
msg
.
id
,
&
topic
,
&
msg
.
payload
,
&
msg
.
payloadlen
,
_csub
.
rbuf
,
_csub
.
rbuflen
)
!=
1
)
goto
exit
;
msgprocess
(
&
topic
,
&
msg
);
if
(
msg
.
qos
!=
0
)
{
if
(
msg
.
qos
==
1
)
len
=
MQTTSerialize_ack
(
_csub
.
wbuf
,
_csub
.
wbuflen
,
PUBACK
,
0
,
msg
.
id
);
else
if
(
msg
.
qos
==
2
)
len
=
MQTTSerialize_ack
(
_csub
.
wbuf
,
_csub
.
wbuflen
,
PUBREC
,
0
,
msg
.
id
);
if
(
len
<=
0
)
rc
=
-
1
;
else
rc
=
mqtt_write
(
_csub
.
sockfd
,
_csub
.
wbuf
,
len
);
if
(
rc
==
-
1
)
goto
exit
;
}
}
break
;
case
PUBCOMP
:
break
;
case
PINGRESP
:
failcnt
=
0
;
break
;
case
-
1
:
if
(
++
failcnt
>
KEEPALIVE_INTERVAL
)
{
/* */
goto
exit
;
}
break
;
}
}
/* */
mqtt_disconnect
(
&
_csub
);
exit:
mqtt_netdisconnect
(
&
_csub
.
sockfd
);
DEBUG
(
"sub thread exit
\n
"
);
return
0
;
}
void
mqtt_client_init
(
void
)
{
#if (OS_RTTHREAD == 0)
pthread_t
tid
;
pthread_create
(
&
tid
,
NULL
,
mqtt_sub_thread
,
NULL
);
pthread_create
(
&
tid
,
NULL
,
mqtt_pub_thread
,
NULL
);
#else
sys_thread_new
(
"sub"
,
mqtt_sub_thread
,
NULL
,
1024
,
20
);
sys_thread_new
(
"pub"
,
mqtt_pub_thread
,
NULL
,
1024
,
20
);
#endif
}
#ifdef RT_USING_FINSH
#include <finsh.h>
FINSH_FUNCTION_EXPORT
(
mqtt_client_init
,
MQTT
Pub
/
Sub
Test
);
#endif
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