EDDP-API

Caching server for use with EDDI and EDDN.

Dependencies

Go, aka Golang.
sqlite3.
ZeroMQ.
- On macOS, brew install zmq.
- On Debian apt-get install libzmq3-dev
./getDependencies will get any Go dependencies.

Environment variable	Default value	Meaning
`EDDP_API_DATA_DIR`	`./data`	Directory for downloaded data and SQL database
`EDDP_API_HTTP_ADDR`	`":8080"`	TCP address for the HTTP server
`EDDP_API_HTTP_ROOT`	`"./data/http"`	Static file root directory for the HTTP server
`EDDP_API_EDDN_LISTENER_URL`	`"tcp://eddn.edcd.io:9500"`	URL for the EDDN listener
`EDDP_API_EDDN_PUBLISHER_URL`	`"tcp://*:5556"`	URL for the EDDN publisher

./getDependencies to get all required Go packages.
./formatAll to format all Go source according to standards (Go is rather prescriptive about that).
./buildAll to build all Go source.
- Currently each build product must be manually added to .gitignore.

refreshEDDB to fetch the latest data from EDDB to ${dataDir}/eddb. At the time of writing this totals about 3.5GB). This script calls ...
rebuild to import this fetched data into SQLite. On a 2011 MacBook Air this can take around 12 min and the resulting SQLlite file is around 8.5GB. Once it completes, you need to
- manually stop the servers systemctl stop eddpd; systemctl stop eddnlistener.
- replace ${dataDir}/sqlite/eddp.sqlite with ${dataDir}/sqlite/eddp-new.sqlite
- restart the servers systemctl start eddpd; systemctl start eddnlistener.
- The raw data in ${dataDir}/eddb can then be zipped or discarded.

Review the files systemd_configs/eddpd.service.txt and systemd_configs/eddnlistener.service.txt. These assume an installation path of /var/go/EDDP-API, so change that if necessary.
If you want to set any environment variables for the processes, put them in eddpd.env and eddnlistener.env, one per line, in the form NAME=value.
Copy eddpd.service.txt and eddnlistener.service.txt without the .txt suffix to /etc/systemd/system/ (the .txt suffix is only there to stop macOS from misinterpreting the file type).
```
cd systemd_configs
cp eddpd.service.txt /etc/systemd/system/eddpd.service
cp eddnlistener.service.txt /etc/systemd/system/eddnlistener.service
cd ..
```

Start the services:

systemctl start eddpd
systemctl start eddnlistener

Check that it is ok:

systemctl status eddpd
systemctl status eddnlistener

Enable automatic startup:

systemctl enable eddpd
systemctl enable eddnlistener