How to do HTTP Request

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Paawan Aggarwal

• January 27, 2024 06:20

We have created our Python web server on localhost and in that server, we are using the action "DoHTTP(S) Request" and the HTTP(S) URL is "http://127.0.01:5000/event_trigger" using "motion on camera" at "start" and the interval of action is "instant" but are not getting any response on the Python web server from NX Witness. We are using content-type "text/plain" and the request method is "Post". We have also confirmed that the Web server is working fine using the "Potman app". So can you tell us what we are doing wrong in it or how we can use the http request?

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  Jaemyn Kinney

  • January 28, 2024 02:46

  Have you tested with a soft trigger first?

  I see the camera is showing offline so you may be hitting unrelated issues.

  Otherwise maybe get the generated cURL from postman for us to look at?

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  Paawan Aggarwal

  • January 29, 2024 05:05
  • Edited

  Yes, I have tested the HTTP request with a soft trigger also but it did not show any notification. The camera is showing offline because I was not connected to the camera at that time but when I was testing it the camera was connected with me.

   

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  Paawan Aggarwal

  • January 29, 2024 05:41
  • Edited

  curl --location 'http://127.0.0.1:5000/event_trigger' \
  --header 'Content-Type: text/plain' \
  --data 'heyy'

   

  @Jaemyn Kinney  cURL of the postman

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  Andrey Terentyev

  • January 30, 2024 11:52
  • Edited

  Hello,

  Let's make the test stupid simple. Please follow the instructions below. Those worked just fine for me in my Linux machine. Please use the tescamera for emulating a camera device. The testcamera binary is located in the mediaserver binary direcory. In Linux, it's /opt/networkoptix/mediaserver/bin/testcamera

  1. Create a simple TCP server with the netcat utility. Type in the terminal window

  nc -l 5000

  2. Create a Soft Trigger rule in the GUI like this.

  

  3. Open the camera on the scene. And click the soft trigger icon.

  

  4. See the output in the terminal window. Here is mine.

  

  Please, share a screencast with your process and resulting output.

  Please provide the build number of the Server.

   

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  Paawan Aggarwal

  • February 05, 2024 05:01

  I want to ask how can we create the HTTP request using the windows. 

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  Jaemyn Kinney

  • February 05, 2024 08:25

  When you tested:

  • Was postman on the same machine that was running the service you were connecting to?
  • Was NX on the same machine. This could be a simple firewall issue.
  • From the NX server you could run a test net from powershell.

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  Paawan Aggarwal

  • February 05, 2024 11:54

  Yes the postman and NX are on the same machine

   

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  Jaemyn Kinney

  • February 05, 2024 12:04

  Tried using a non loopback IP of your host?

  So are you running a closed single PC environment?
  If not, double check the machine with the NX Server can reach the PC with the python server.

  Can you get a Get request working?

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  Jaemyn Kinney

  • February 13, 2024 14:08

  Hey Paawan, did that work?

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