Proof of concept Mongo 3.6 collection watcher using change stream API

Dependencies

• Install latest libmongoc + libbson from source

$ ./autogen.sh
$ make
$ sudo make install

• Run mongo replicaset

Build

gcc -o mongowatch base64.c mongowatch.c $(pkg-config --libs --cflags libmongoc-1.0)

Test

• Terminal 1 ./mongowatch "mongodb://localhost:27017,localhost:27018,localhost:27019/test?replicaSet=rs0" test c1

• Terminal 2 mongo test --eval 'db.c1.insert({});'