nRF91ServerTest

Spring Boot server for IoT nRF91

Test Spring Boot - NB-IoT TCP server

Linode - Deploy Spring Boot Applications

https://www.linode.com/docs/development/java/how-to-deploy-spring-boot-applications-nginx-ubuntu-16-04/

Build

$ ./gradlew build

Run locally

$ java -jar build/libs/nRF91ServerTest-0.0.1-SNAPSHOT.jar

Deploy to linode server

$ scp build/libs/nRF91ServerTest-0.0.1-SNAPSHOT.jar root@139.162.251.115:~/dev/nRF91ServerTest/

Run/restart the server app remotely

$ ssh root@139.162.251.115 "killall -9 java; cd /root/dev/nRF91ServerTest; nohup java -jar nRF91ServerTest-0.0.1-SNAPSHOT.jar"    

Endpoints

Server context path '/'
Server supports HTTP, HTTPS, UDP
# HTTP -> port : 42512
# HTTPS -> port : 42513
# UDP -> port : 11111

Curl Client Test

HTTPS

curl test 
$ curl --cacert nrftestserver.cer https://139.162.251.115:42513
{"ActionName":"BSDTest","LED1":false,"LED2":true}

HTTP

curl test 
$ curl http://139.162.251.115:42512
{"ActionName":"BSDTest","LED1":false,"LED2":true}

UDP

UDP socket running on port 11111

You can make use of https://github.com/FrancisSieberhagen/nRF91UDPTest NRF application to test out this UDP endpoint.
Remember to update the nRF91UDPTest application ip and port to use 139.162.251.115:11111

On successful connection, the body [{"ActionName":"BSD Test","LED1":false,"LED2":true}] should be returned.

Generating self-signed SSL certificate

Use the Java keytool command to generate the self signed cert keystore.jks like this:

$ keytool -genkeypair -alias nrftestserver -keyalg RSA -keysize 2048 -storetype PKCS12 -keystore keystore.jks -validity 3650
    Enter keystore password: password
    Re-enter new password: password
    What is your first and last name?
      [Unknown]: 139.162.251.115
    What is the name of your organizational unit?
      [Unknown]:  Standard Bank IOT
    What is the name of your organization?
      [Unknown]:  Standard Bank
    What is the name of your City or Locality?
      [Unknown]:  Johannesburg
    What is the name of your State or Province?
      [Unknown]:  Gauteng
    What is the two-letter country code for this unit?
      [Unknown]:  ZA
    Is CN=139.162.251.115, OU=Standard Bank IOT, O=Standard Bank, L=Johannesburg, ST=Gauteng, C=ZA correct?
      [no]:  yes

Export the cert to use for the client applications from the keystore like this:

$ keytool -export -keystore keystore.jks -alias nrftestserver -file nrftestserver.cer -rfc