The lessons I learned from setting up an API server via perl script

Tue, 21 Nov 2023 21:05:14 -0400

Problem Statement

Recently When I was trying to set up an API server in a perl script to do some unit tests, I met lots of trouble.

In conclusion, the trouble can be classfied as 3 parts:

The residual server processes can’t be killed properly.
Program stucked after launch the API server.
stdin, stdout, stderr on windows.

Error examples

The residual server processes can’t be killed.

1

system(perl server.pl daemon -l http://*:0);

Use the command above in main test script will launch an API server in a child process. The residual server processes should be killed without any left after the tests. At first I use “system” to run the command, and then kill it in a different system command via:

Perl on Xi's Blog

The lessons I learned from setting up an API server via perl script

Problem Statement

Error examples

The residual server processes can’t be killed.