RT-Thread-rtthread 使用paho mqtt 发送数据包畸形RT-Thread问答社区

rtthread 使用paho mqtt 发送数据包畸形

发布于 2020-12-14 17:13:16 浏览：1609 订阅该版

paho-mqtt使用ec200t发送mqtt消息，偶尔在数据包头多了一个回车导致emqx判定数据包畸形被丢弃。
起因是发现偶尔有设备发送数据包后平台没有接收到，并且会触发一次设备mqtt上下线，查看日志发现是数据包有问题，对比正常数据包与异常的发现在数据包头多了一个十进制10，就是16进制的0x0a，就是回车符。
有哪位大神可以帮帮忙看下么。
错误数据包
```
<<"003D0017-2034334D-0412FFFF">>@36.113.96.72:12434 [MQTT] RECV <<10,50,221,7,0,57,47,115,121,115,47,48,48,51,68,48,48,49,55,45,50,48,51,52,51,51,52,68,45,48,52,49,50,70,70,70,70,47,116,104,105,110,103,47,101,118,101,110,116,47,112,114,111,112,101,114,116,121,47,112,111,115,116,182,75,123,34,105,100,34,58,56,51,52,44,34,104,117,109,105,100,105,116,121,34,58,49,57,46,50,49,52,50,52,57,44,34,116,101,109,112,114,101,97,116,117,114,101,34,58,50,51,46,50,51,51,48,51,50,44,34,118,111,108,116,97,103,101,34,58,50,53,46,52,52,56,48,48,48,44,34,99,117,114,114,101,110,116,34,58,48,46,51,49,54,48,48,48,44,34,100,101,118,105,99,101,73,100,34,58,34,48,48,51,68,48,48,49,55,45,50,48,51,52,51,51,52,68,45,48,52,49,50,70,70,70,70,34,44,34,112,97,114,97,109,115,34,58,123,34,118,119,100,97,116,97,34,58,123,34,99,104,49,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,55,46,52,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,49,56,52,46,51,48,48,48,52,57,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,49,55,57,125,44,34,99,104,50,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,54,46,57,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,50,49,49,46,56,48,48,48,52,57,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,49,57,55,125,44,34,99,104,51,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,49,52,55,46,49,57,57,57,57,55,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,51,49,55,55,46,53,48,48,48,48,48,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,50,49,52,125,44,34,99,104,52,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,55,46,52,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,48,49,52,46,49,57,57,57,53,49,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,50,51,50,125,44,34,99,104,53,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,55,46,49,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,48,57,52,46,56,57,57,57,48,50,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,50,52,57,125,44,34,99,104,54,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,49,52,56,46,49,48,48,48,48,54,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,56,54,53,46,51,48,48,48,52,57,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,50,54,55,125,44,34,99,104,55,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,49,44,34,116,101,109,112,34,58,57,57,57,46,57,48,48,48,50,52,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,49,44,34,102,114,101,113,34,58,48,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,50,56,52,125,44,34,99,104,56,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,49,44,34,116,101,109,112,34,58,57,57,57,46,57,48,48,48,50,52,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,49,44,34,102,114,101,113,34,58,48,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,51,48,48,125,125,125>>
2020-12-14 16:58:21.257 [error] <<"003D0017-2034334D-0412FFFF">>@36.113.96.72:12434 [MQTT] 
Parse failed for function_clause
[{emqx_frame,parse_packet,[{mqtt_packet_header,0,true,1,false},<<221,7,0,57,47,115,121,115,47,48,48,51,68,48,48,49,55,45,50,48,51,52,51,51,52,68,45,48,52,49,50,70,70,70,70,47,116,104,105,110,103,47,101,118,101,110,116,47,112,114>>,#{max_size => 1048576,strict_mode => false,version => 4}],[{file,"emqx_frame.erl"},{line,166}]},{emqx_frame,parse_frame,4,[{file,"emqx_frame.erl"},{line,144}]},{emqx_connection,parse_incoming,3,[{file,"emqx_connection.erl"},{line,522}]},{emqx_connection,handle_msg,2,[{file,"emqx_connection.erl"},{line,515}]},{emqx_connection,process_msg,3,[{file,"emqx_connection.erl"},{line,293}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,259}]}]
Frame data:<<10,50,221,7,0,57,47,115,121,115,47,48,48,51,68,48,48,49,55,45,50,48,51,52,51,51,52,68,45,48,52,49,50,70,70,70,70,47,116,104,105,110,103,47,101,118,101,110,116,47,112,114,111,112,101,114,116,121,47,112,111,115,116,182,75,123,34,105,100,34,58,56,51,52,44,34,104,117,109,105,100,105,116,121,34,58,49,57,46,50,49,52,50,52,57,44,34,116,101,109,112,114,101,97,116,117,114,101,34,58,50,51,46,50,51,51,48,51,50,44,34,118,111,108,116,97,103,101,34,58,50,53,46,52,52,56,48,48,48,44,34,99,117,114,114,101,110,116,34,58,48,46,51,49,54,48,48,48,44,34,100,101,118,105,99,101,73,100,34,58,34,48,48,51,68,48,48,49,55,45,50,48,51,52,51,51,52,68,45,48,52,49,50,70,70,70,70,34,44,34,112,97,114,97,109,115,34,58,123,34,118,119,100,97,116,97,34,58,123,34,99,104,49,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,55,46,52,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,49,56,52,46,51,48,48,48,52,57,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,49,55,57,125,44,34,99,104,50,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,54,46,57,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,50,49,49,46,56,48,48,48,52,57,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,49,57,55,125,44,34,99,104,51,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,49,52,55,46,49,57,57,57,57,55,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,51,49,55,55,46,53,48,48,48,48,48,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,50,49,52,125,44,34,99,104,52,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,55,46,52,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,48,49,52,46,49,57,57,57,53,49,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,50,51,50,125,44,34,99,104,53,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,55,46,49,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,48,57,52,46,56,57,57,57,48,50,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,50,52,57,125,44,34,99,104,54,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,49,52,56,46,49,48,48,48,48,54,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,56,54,53,46,51,48,48,48,52,57,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,50,54,55,125,44,34,99,104,55,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,49,44,34,116,101,109,112,34,58,57,57,57,46,57,48,48,48,50,52,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,49,44,34,102,114,101,113,34,58,48,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,50,56,52,125,44,34,99,104,56,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,49,44,34,116,101,109,112,34,58,57,57,57,46,57,48,48,48,50,52,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,49,44,34,102,114,101,113,34,58,48,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,51,54,51,48,48,125,125,125>>

```

正常数据包
```
2020-12-14 13:52:17.103 [debug] <<"003D0017-2034334D-0412FFFF">>@117.132.195.87:50011 [MQTT] RECV <<50,208,7,0,57,47,115,121,115,47,48,48,51,68,48,48,49,55,45,50,48,51,52,51,51,52,68,45,48,52,49,50,70,70,70,70,47,116,104,105,110,103,47,101,118,101,110,116,47,112,114,111,112,101,114,116,121,47,112,111,115,116,182,75,123,34,105,100,34,58,55,57,56,44,34,104,117,109,105,100,105,116,121,34,58,49,56,46,51,48,54,51,53,49,44,34,116,101,109,112,114,101,97,116,117,114,101,34,58,50,52,46,50,56,51,57,56,49,44,34,118,111,108,116,97,103,101,34,58,50,50,46,55,49,56,48,48,48,44,34,99,117,114,114,101,110,116,34,58,48,46,50,56,49,48,48,48,44,34,100,101,118,105,99,101,73,100,34,58,34,48,48,51,68,48,48,49,55,45,50,48,51,52,51,51,52,68,45,48,52,49,50,70,70,70,70,34,44,34,112,97,114,97,109,115,34,58,123,34,118,119,100,97,116,97,34,58,123,34,99,104,49,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,57,46,51,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,49,56,52,46,53,48,48,48,48,48,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,50,53,48,49,50,125,44,34,99,104,50,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,56,46,57,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,50,49,49,46,54,48,48,48,57,56,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,50,53,48,51,49,125,44,34,99,104,51,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,49,52,55,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,51,49,51,57,46,56,57,57,57,48,50,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,50,53,48,52,57,125,44,34,99,104,52,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,57,46,51,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,48,49,52,46,53,48,48,48,48,48,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,50,53,48,54,54,125,44,34,99,104,53,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,57,46,51,48,48,48,48,48,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,48,57,52,46,54,57,57,57,53,49,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,50,53,48,56,51,125,44,34,99,104,54,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,49,52,55,46,56,48,48,48,48,51,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,48,44,34,102,114,101,113,34,58,50,57,49,49,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,50,53,49,48,49,125,44,34,99,104,55,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,48,44,34,116,101,109,112,34,58,54,53,51,49,46,50,57,57,56,48,53,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,49,44,34,102,114,101,113,34,58,48,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,50,53,49,49,56,125,44,34,99,104,56,34,58,123,34,116,101,109,112,95,115,116,97,116,117,115,34,58,49,44,34,116,101,109,112,34,58,57,57,57,46,57,48,48,48,50,52,44,34,99,111,105,108,95,115,116,97,116,117,115,34,58,49,44,34,102,114,101,113,34,58,48,44,34,116,101,115,116,95,116,105,109,101,34,58,49,54,48,55,57,50,53,49,51,52,125,125,125,125>>
2020-12-14 13:52:17.105 [debug] <<"003D0017-2034334D-0412FFFF">>@117.132.195.87:50011 [MQTT] RECV PUBLISH(Q1, R0, D0, Topic=/sys/003D0017-2034334D-0412FFFF/thing/event/property/post, PacketId=46667, Payload=<<"{\"id\":798,\"humidity\":18.306351,\"tempreature\":24.283981,\"voltage\":22.718000,\"current\":0.281000,\"deviceId\":\"003D0017-2034334D-0412FFFF\",\"params\":{\"vwdata\":{\"ch1\":{\"temp_status\":0,\"temp\":9.300000,\"coil_status\":0,\"freq\":2184.500000,\"test_time\":1607925012},\"ch2\":{\"temp_status\":0,\"temp\":8.900000,\"coil_status\":0,\"freq\":2211.600098,\"test_time\":1607925031},\"ch3\":{\"temp_status\":0,\"temp\":147,\"coil_status\":0,\"freq\":3139.899902,\"test_time\":1607925049},\"ch4\":{\"temp_status\":0,\"temp\":9.300000,\"coil_status\":0,\"freq\":2014.500000,\"test_time\":1607925066},\"ch5\":{\"temp_status\":0,\"temp\":9.300000,\"coil_status\":0,\"freq\":2094.699951,\"test_time\":1607925083},\"ch6\":{\"temp_status\":0,\"temp\":147.800003,\"coil_status\":0,\"freq\":2911,\"test_time\":1607925101},\"ch7\":{\"temp_status\":0,\"temp\":6531.299805,\"coil_status\":1,\"freq\":0,\"test_time\":1607925118},\"ch8\":{\"temp_status\":1,\"temp\":999.900024,\"coil_status\":1,\"freq\":0,\"test_time\":1607925134}}}}">>)
2020-12-14 13:52:17.106 [info] <<"003D0017-2034334D-0412FFFF">>@117.132.195.87:50011 PUBLISH to /sys/003D0017-2034334D-0412FFFF/thing/event/property/post: <<"{\"id\":798,\"humidity\":18.306351,\"tempreature\":24.283981,\"voltage\":22.718000,\"current\":0.281000,\"deviceId\":\"003D0017-2034334D-0412FFFF\",\"params\":{\"vwdata\":{\"ch1\":{\"temp_status\":0,\"temp\":9.300000,\"coil_status\":0,\"freq\":2184.500000,\"test_time\":1607925012},\"ch2\":{\"temp_status\":0,\"temp\":8.900000,\"coil_status\":0,\"freq\":2211.600098,\"test_time\":1607925031},\"ch3\":{\"temp_status\":0,\"temp\":147,\"coil_status\":0,\"freq\":3139.899902,\"test_time\":1607925049},\"ch4\":{\"temp_status\":0,\"temp\":9.300000,\"coil_status\":0,\"freq\":2014.500000,\"test_time\":1607925066},\"ch5\":{\"temp_status\":0,\"temp\":9.300000,\"coil_status\":0,\"freq\":2094.699951,\"test_time\":1607925083},\"ch6\":{\"temp_status\":0,\"temp\":147.800003,\"coil_status\":0,\"freq\":2911,\"test_time\":1607925101},\"ch7\":{\"temp_status\":0,\"temp\":6531.299805,\"coil_status\":1,\"freq\":0,\"test_time\":1607925118},\"ch8\":{\"temp_status\":1,\"temp\":999.900024,\"coil_status\":1,\"freq\":0,\"test_time\":1607925134}}}}">>
2020-12-14 13:52:17.107 [debug] <<"003D0017-2034334D-0412FFFF">>@117.132.195.87:50011 [MQTT] SEND PUBACK(Q0, R0, D0, PacketId=46667, ReasonCode=0)

```
就在开头多了个回车，不知道是pahomqt还是atdevice加进去的，或者是通信模块的问题？