MQTT Publish subscribe with the device

Hi,

I am using HiveMQ broker for MQTT communication with my IOT device,
My device is able to communicate perfectly fine with HiveMQ Public Broker settings,
Host: broker.hivemq.com
TCP Port: 1883
I can also see the messages using HivMQ Webclient,

But when i use the private account settings i don’t see my device communicate,
Below are the settings i am using on my IOT device,
Hostname: xxxxxxxxxx8a46eb9c9d93232051305f.s1.eu.hivemq.cloud
Port: 8883

Help would be required here,

regards

Hey rakshith,

nice to see you exploring MQTT. Can you share some details on the client’s connection attempts?
Does it produce any output? Is the IOT device capable of establishing SSL secured connections?

Kind regards,
Finn

Hey Finn

I am using vcon.io cloud platform for device management,
I am able to communicate with HiveMQ Public Broker,
Below are the configuration shadow of the device,
You can refer to mqtt section for the details
Yes it has option for certificate and key as you can see below in shadow,
more details is also available in below url,
VCON::Docs

{
“wifi”: {
“mode”: 1,
“ap”: {
“ssid”: “vcon-???”
},
“sta”: {
“ssid”: “AndroidAP99C2”,
“pass”: “dsnt0523”
}
},
“dash”: {
“url”: “wss://dash.vcon.io/api/v3/rpc”,
“pass”: “W/C0yMK71RgW6SeCcNNy9lajERoA”
},
“debug”: {
“level”: “3,sock=2”,
“udpaddr”: “”,
“tlslevel”: 1
},
“device”: {
“id”: “”,
“board”: “”,
“dns”: “”
},
“rpc”: {
“safe”: “config.set,rpc.,sys.
},
“host”: {
“arch”: 300,
“rst”: -1,
“mode”: 2,
“addr”: 0,
“uart”: {
“rx”: 18,
“tx”: 5,
“cts”: -1,
“rts”: -1,
“baud”: 115200
},
“spi”: {
“miso”: -1,
“mosi”: -1,
“clk”: -1,
“freq”: 50000
},
“updi”: {
“pin”: -1,
“dur”: 50
},
“swd”: {
“io”: -1,
“clk”: -1,
“dur”: 50
}
},
“mqtt”: {
“url”: “64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud:8883”,
“rx”: “sensors/rx”,
“tx”: “sensors/tx”,
“cert”: “”,
“key”: “”,
“hexdump”: 0
},
“ws”: {
“url”: “”,
“hdrs”: “”,
“cert”: “”,
“key”: “”,
“hexdump”: 0
},
“ble”: {
“mode”: 1,
“filter”: “”,
“lowat”: 0
},
“eth”: {
“mode”: 0,
“addr”: -1,
“clk”: 0,
“mdc”: -1,
“mdio”: -1,
“pwr”: -1
},
“cell”: {
“mode”: 0,
“rx”: -1,
“tx”: -1,
“rst”: 0,
“baud”: 115200,
“apn”: “”,
“user”: “”,
“pass”: “”
},
“pins”: {
“factory”: -1,
“status”: -1
}
}

Hey Jen,

Below is the device log for your analysis

e[0;32mI (768) cpu_start: ESP-IDF: v4.3e[0m
e[0;32mI (773) heap_init: Initializing. RAM available for dynamic allocation:e[0m
e[0;32mI (780) heap_init: At 3FF80000 len 00002000 (8 KiB): RTCRAMe[0m
e[0;32mI (786) heap_init: At 3FFAFF10 len 000000F0 (0 KiB): DRAMe[0m
e[0;32mI (792) heap_init: At 3FFB6388 len 00001C78 (7 KiB): DRAMe[0m
e[0;32mI (798) heap_init: At 3FFB9A20 len 00004108 (16 KiB): DRAMe[0m
e[0;32mI (804) heap_init: At 3FFCAC90 len 00015370 (84 KiB): DRAMe[0m
e[0;32mI (811) heap_init: At 3FFE0440 len 0001FBC0 (126 KiB): D/IRAMe[0m
e[0;32mI (817) heap_init: At 40078000 len 00008000 (32 KiB): IRAMe[0m
e[0;32mI (823) heap_init: At 4009F434 len 00000BCC (2 KiB): IRAMe[0m
e[0;32mI (830) spi_flash: detected chip: winbonde[0m
e[0;32mI (834) spi_flash: flash io: dioe[0m
e[0;32mI (838) sleep: Configure to isolate all GPIO pins in sleep statee[0m
e[0;32mI (845) sleep: Enable automatic switching of GPIO sleep configuratione[0m
e[0;32mI (852) cpu_start: Starting scheduler on PRO CPU.e[0m
1970-01-01 00:00:00 I esp32.c:174:fs_init FS /spiffs, 0, ram 210944
1970-01-01 00:00:00 I config.c:235:config_init /spiffs/config.json → {
“wifi”: {
“sta”: {
“ssid”: “AndroidAP99C2”,
“pass”: “dsnt0523”
}
},
“dash”: {
“pass”: “W/C0yMK71RgW6SeCcNNy9lajERoA”
},
“host”: {
“arch”: 300,
“mode”: 2,
“uart”: {
“rx”: 18,
“tx”: 5
}
},
“mqtt”: {
“url”: “64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud:8883”,
“rx”: “sensors/rx”,
“tx”: “sensors/tx”
},
“pins”: {
“factory”: -1,
“status”: -1
}
}
, ok
1970-01-01 00:00:00 net.c:186:timer_cb net_down, ram: 210464, 0/0/0/0
1970-01-01 00:00:00 I net.c:447:net_init Initialised. Version 2.0.2
1970-01-01 00:00:00 I esp32.c:465:wifi_init SDK v4.3, Jul 15 2021 11:12:20, 2.0.2
I (1074) wifi:wifi driver task: 3ffd09c8, prio:23, stack:6656, core=0
e[0;32mI (1074) system_api: Base MAC address is not sete[0m
e[0;32mI (1074) system_api: read default base MAC address from EFUSEe[0m
I (1084) wifi:wifi firmware version: c7d0450
I (1084) wifi:wifi certification version: v7.0
I (1084) wifi:config NVS flash: enabled
I (1084) wifi:config nano formating: disabled
I (1094) wifi:Init data frame dynamic rx buffer num: 32
I (1094) wifi:Init management frame dynamic rx buffer num: 32
I (1104) wifi:Init management short buffer num: 32
I (1104) wifi:Init dynamic tx buffer num: 32
I (1114) wifi:Init static rx buffer size: 1600
I (1114) wifi:Init static rx buffer num: 10
I (1124) wifi:Init dynamic rx buffer num: 32
e[0;32mI (1124) wifi_init: rx ba win: 6e[0m
e[0;32mI (1124) wifi_init: tcpip mbox: 32e[0m
e[0;32mI (1134) wifi_init: udp mbox: 6e[0m
e[0;32mI (1134) wifi_init: tcp mbox: 6e[0m
e[0;32mI (1144) wifi_init: tcp tx win: 5744e[0m
e[0;32mI (1144) wifi_init: tcp rx win: 5744e[0m
e[0;32mI (1144) wifi_init: tcp mss: 1440e[0m
e[0;32mI (1154) wifi_init: WiFi IRAM OP enablede[0m
e[0;32mI (1154) wifi_init: WiFi RX IRAM OP enablede[0m
1970-01-01 00:00:00 I esp32.c:499:wifi_init Connecting to WiFi network AndroidAP99C2…
e[0;32mI (1174) phy_init: phy_version 4670,719f9f6,Feb 18 2021,17:07:07e[0m
I (1254) wifi:mode : sta (a4:cf:12:6d:d4:34)
I (1264) wifi:enable tsf
1970-01-01 00:00:00 E esp32.c:321:eh wifi sta start…
e[0;32mI (1264) BTDM_INIT: BT controller compile version [1342a48]e[0m
I (1274) wifi:new:<1,0>, old:<1,0>, ap:<255,255>, sta:<1,0>, prof:1
I (1274) wifi:state: init → auth (b0)
I (1284) wifi:state: auth → assoc (0)
I (1284) wifi:state: assoc → run (10)
I (1324) wifi:connected with AndroidAP99C2, aid = 1, channel 1, BW20, bssid = 5a:ec:f1:db:4e:be
I (1324) wifi:security: WPA2-PSK, phy: bgn, rssi: -33
I (1324) wifi:pm start, type: 1

I (1334) wifi:AP’s beacon interval = 102400 us, DTIM period = 2
W (1544) wifi:idx:0 (ifx:0, 5a:ec:f1:db:4e:be), tid:0, ssn:0, winSize:64
1970-01-01 00:00:00 ble.c:210:gatts_eh REG_EVT, iface 3
1970-01-01 00:00:00 ble.c:192:regservice 0 (success)
1970-01-01 00:00:00 I ble.c:47:advertise advertising as: [vcon-d434]
1970-01-01 00:00:00 ble.c:220:gatts_eh CREAT_TAB, status 0, numh 5, r 0
1970-01-01 00:00:00 I ble.c:298:ble_init 1970-01-01 00:00:00 ble.c:114:gap_eh UNKNOWN ev 0 0x3ffdd61c
BLE initialised, mode 1; codes 0 0 0
1970-01-01 1970-01-01 00:00:00 I esp32.c:272:uart_open 0: -1/-1/115200, 0 0 0
1970-01-01 00:00:00 I esp32.c:272:uart_open 1: 5/18/115200, 0 0 0
1970-01-01 00:00:01 I esp32.c:340:eh WiFi connected, IP 192.168.84.250
1970-01-01 00:00:01 I net.c:103:network_status_ network net_up
e[0;32mI (2564) esp_netif_handlers: sta ip: 192.168.84.250, mask: 255.255.255.0, gw: 192.168.84.232e[0m
1970-01-01 00:00:02 net.c:186:timer_cb net_up, ram: 134332, 0/0/0/0
1970-01-01 00:00:02 E sntp.c:53:mg_sntp_send 1 wait until resolved
1970-01-01 00:00:02 tls.c:82:mg_tls_init 3 Setting TLS, CA: /spiffs/ca.pem, cert: -, key: -
1970-01-01 00:00:02 dns.c:165:dns_cb 1 time.google.com resolved to 216.239.35.8
1970-01-01 00:00:02 sntp.c:60:mg_sntp_send 0x37 request sent, ct 2, next at 3602
W (3814) wifi:idx:1 (ifx:0, 5a:ec:f1:db:4e:be), tid:4, ssn:0, winSize:64
1970-01-01 00:00:03 I net.c:121:sntp_cb SNTP: setting time to 1631797411.1875707929
2021-09-16 13:34:46 sntp.c:39:sntp_cb 1631797411.1875707929, next at 1631801011
2021-09-16 13:34:47 net.c:186:timer_cb net_up, ram: 128724, 1/0/0/0
2021-09-16 13:34:48 net.c:186:timer_cb net_up, ram: 128724, 1/0/0/0
2021-09-16 13:34:49 net.c:186:timer_cb net_up, ram: 128720, 1/0/0/0
2021-09-16 13:34:49 E event.c:18:mg_error 3 DNS timeout
2021-09-16 13:34:49 I net.c:103:network_status_ network cloud_down
2021-09-16 13:34:49 I net.c:80:dev_cb cloud disconnected, ram 128736
2021-09-16 13:34:50 net.c:186:timer_cb cloud_down, ram: 131984, 0/0/0/0
2021-09-16 13:34:50 tls.c:82:mg_tls_init 4 Setting TLS, CA: /spiffs/ca.pem, cert: -, key: -
2021-09-16 13:34:50 dns.c:165:dns_cb 4 dash.vcon.io resolved to 176.9.217.245
2021-09-16 13:34:52 net.c:186:timer_cb cloud_down, ram: 110652, 1/0/0/0
2021-09-16 13:34:53 tls.c:39:mg_tls_handshake 4 success
2021-09-16 13:34:53 net.c:186:timer_cb cloud_down, ram: 119340, 1/0/0/0
2021-09-16 13:34:53 I net.c:103:network_status_ network cloud_up
2021-09-16 13:34:53 I esp32.c:55:ota_commit Commiting this firmware…
2021-09-16 13:34:53 I net.c:55:dev_cb cloud connected, wss://dash.vcon.io/api/v3/rpc, ram 119128
2021-09-16 13:34:53 net.c:383:net_conn_writer WS OUT: {“method”:“state.set”,“params”:{“reset”:“power-on”,“backtrace”:"",“ota”:{“percent”:null,“version”:“2.0.2”,“built”:“2021-07-15 11:11:42”,“mac”:“a4:cf:12:6d:d4:34”},“config”:{“wifi”:{“mode”:1,“ap”:{“ssid”:“vcon-???”},“sta”:{“ssid”:“AndroidAP99C2”,“pass”:“dsnt0523”}},“dash”:{“url”:“wss://dash.vcon.io/api/v3/rpc”,“pass”:“W/C0yMK71RgW6SeCcNNy9lajERoA”},“debug”:{“level”:“3,sock=2”,“udpaddr”:"",“tlslevel”:1},“device”:{“id”:"",“board”:"",“dns”:""},“rpc”:{“safe”:“config.set,rpc.,sys.”},“host”:{“arch”:300,“rst”:-1,“mode”:2,“addr”:0,“uart”:{“rx”:18,“tx”:5,“cts”:-1,“rts”:-1,“baud”:115200},“spi”:{“miso”:-1,“mosi”:-1,“clk”:-1,“freq”:50000},“updi”:{“pin”:-1,“dur”:50},“swd”:{“io”:-1,“clk”:-1,“dur”:50}},“mqtt”:{“url”:“64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud:8883”,“rx”:“sensors/rx”,“tx”:“sensors/tx”,“cert”:"",“key”:"",“hexdump”:0},“ws”:{“url”:"",“hdrs”:"",“cert”:"",“key”:"",“hexdump”:0},“ble”:{“mode”:1,“filter”:"",“lowat”:0},“eth”:{“mode”:0,“addr”:-1,“clk”:0,“mdc”:-1,“mdio”:-1,“pwr”:-1},“cell”:{“mode”:0,
2021-09-16 13:34:54 net.c:186:timer_cb cloud_up, ram: 119340, 1/0/0/0
2021-09-16 13:34:54 dns.c:165:dns_cb 5 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:34:55 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:34:56 dns.c:165:dns_cb 6 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:34:56 net.c:186:timer_cb cloud_up, ram: 119256, 1/0/0/0
2021-09-16 13:34:56 dns.c:165:dns_cb 7 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:34:57 net.c:186:timer_cb cloud_up, ram: 118976, 1/0/0/0
2021-09-16 13:34:57 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:34:57 dns.c:165:dns_cb 8 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:34:58 net.c:186:timer_cb cloud_up, ram: 119256, 1/0/0/0
2021-09-16 13:34:58 dns.c:165:dns_cb 9 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:34:59 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:34:59 dns.c:165:dns_cb 10 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:00 net.c:186:timer_cb cloud_up, ram: 118924, 1/0/0/0
2021-09-16 13:35:00 dns.c:165:dns_cb 11 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:01 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:01 dns.c:165:dns_cb 12 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:02 net.c:186:timer_cb cloud_up, ram: 118924, 1/0/0/0
2021-09-16 13:35:02 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:35:02 dns.c:165:dns_cb 13 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:03 net.c:186:timer_cb cloud_up, ram: 118932, 1/0/0/0
2021-09-16 13:35:03 dns.c:165:dns_cb 14 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:04 net.c:186:timer_cb cloud_up, ram: 119256, 1/0/0/0
2021-09-16 13:35:04 dns.c:165:dns_cb 15 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:05 net.c:186:timer_cb cloud_up, ram: 117236, 1/1/0/0
2021-09-16 13:35:06 net.c:186:timer_cb cloud_up, ram: 119256, 1/0/0/0
2021-09-16 13:35:07 dns.c:165:dns_cb 16 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:07 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:35:07 net.c:186:timer_cb cloud_up, ram: 117436, 1/0/0/0
2021-09-16 13:35:08 dns.c:165:dns_cb 17 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:08 net.c:186:timer_cb cloud_up, ram: 117232, 1/1/0/0
2021-09-16 13:35:09 net.c:186:timer_cb cloud_up, ram: 119256, 1/0/0/0
2021-09-16 13:35:09 dns.c:165:dns_cb 18 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:10 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:10 dns.c:165:dns_cb 19 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:11 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:11 dns.c:165:dns_cb 20 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:12 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:35:12 net.c:186:timer_cb cloud_up, ram: 118388, 1/0/0/0
2021-09-16 13:35:12 dns.c:165:dns_cb 21 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 52.31.149.80
2021-09-16 13:35:13 net.c:186:timer_cb cloud_up, ram: 116608, 1/1/0/0
2021-09-16 13:35:14 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:14 dns.c:165:dns_cb 22 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:15 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:15 dns.c:165:dns_cb 23 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:16 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:16 dns.c:165:dns_cb 24 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:17 net.c:186:timer_cb cloud_up, ram: 118652, 1/0/0/0
2021-09-16 13:35:17 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:35:18 dns.c:165:dns_cb 25 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:18 net.c:186:timer_cb cloud_up, ram: 117224, 1/1/0/0
2021-09-16 13:35:19 net.c:186:timer_cb cloud_up, ram: 119252, 1/0/0/0
2021-09-16 13:35:19 dns.c:165:dns_cb 26 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:20 net.c:186:timer_cb cloud_up, ram: 119252, 1/0/0/0
2021-09-16 13:35:20 dns.c:165:dns_cb 27 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:21 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:21 dns.c:165:dns_cb 28 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:22 net.c:186:timer_cb cloud_up, ram: 118972, 1/0/0/0
2021-09-16 13:35:22 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:35:22 dns.c:165:dns_cb 29 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:23 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:24 dns.c:165:dns_cb 30 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 46.137.47.218
2021-09-16 13:35:24 net.c:186:timer_cb cloud_up, ram: 117232, 1/1/0/0
2021-09-16 13:35:25 net.c:186:timer_cb cloud_up, ram: 119252, 1/0/0/0
2021-09-16 13:35:26 dns.c:165:dns_cb 31 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:26 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:27 dns.c:165:dns_cb 32 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:27 net.c:186:timer_cb cloud_up, ram: 117236, 1/1/0/0
2021-09-16 13:35:27 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:35:28 net.c:186:timer_cb cloud_up, ram: 119256, 1/0/0/0
2021-09-16 13:35:28 dns.c:165:dns_cb 33 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:29 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:30 dns.c:165:dns_cb 34 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:30 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:30 dns.c:165:dns_cb 35 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 46.137.47.218
2021-09-16 13:35:31 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:32 dns.c:165:dns_cb 36 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:32 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:35:32 net.c:186:timer_cb cloud_up, ram: 115516, 1/1/0/0
2021-09-16 13:35:33 net.c:186:timer_cb cloud_up, ram: 119256, 1/0/0/0
2021-09-16 13:35:34 dns.c:165:dns_cb 37 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:34 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:34 dns.c:165:dns_cb 38 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:35 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:35 dns.c:165:dns_cb 39 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:36 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:36 dns.c:165:dns_cb 40 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:37 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:37 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:35:37 dns.c:165:dns_cb 41 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:38 net.c:186:timer_cb cloud_up, ram: 118932, 1/0/0/0
2021-09-16 13:35:39 dns.c:165:dns_cb 42 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 46.137.47.218
2021-09-16 13:35:39 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:39 dns.c:165:dns_cb 43 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:40 net.c:186:timer_cb cloud_up, ram: 118932, 1/0/0/0
2021-09-16 13:35:40 dns.c:165:dns_cb 44 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:41 net.c:186:timer_cb cloud_up, ram: 118932, 1/0/0/0
2021-09-16 13:35:41 dns.c:165:dns_cb 45 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:42 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:35:42 net.c:186:timer_cb cloud_up, ram: 117444, 1/0/0/0
2021-09-16 13:35:43 dns.c:165:dns_cb 46 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:43 net.c:186:timer_cb cloud_up, ram: 118724, 1/1/0/0
2021-09-16 13:35:44 net.c:186:timer_cb cloud_up, ram: 119256, 1/0/0/0
2021-09-16 13:35:44 dns.c:165:dns_cb 47 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:45 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:45 dns.c:165:dns_cb 48 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:46 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:46 dns.c:165:dns_cb 49 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:47 ws.c:139:mg_ws_cb WS PONG
2021-09-16 13:35:47 net.c:186:timer_cb cloud_up, ram: 118388, 1/0/0/0
2021-09-16 13:35:47 dns.c:165:dns_cb 50 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:48 net.c:186:timer_cb cloud_up, ram: 119252, 1/0/0/0
2021-09-16 13:35:49 dns.c:165:dns_cb 51 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 46.137.47.218
2021-09-16 13:35:49 net.c:186:timer_cb cloud_up, ram: 117236, 1/1/0/0
2021-09-16 13:35:50 net.c:186:timer_cb cloud_up, ram: 119252, 1/0/0/0
2021-09-16 13:35:50 dns.c:165:dns_cb 52 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 54.73.92.158
2021-09-16 13:35:51 net.c:186:timer_cb cloud_up, ram: 118928, 1/0/0/0
2021-09-16 13:35:51 dns.c:165:dns_cb 53 64275fb8ba8a46eb9c9d93232051305f.s1.eu.hivemq.cloud resolved to 46.137.47.218
2021-09-16 13:35:52 net.c:186:timer_cb cloud_up, ram: 118648, 1/0/0/0

dude format for the url is - username:password@host:domain