Server application that receives info from clients (specified number) in concurrency and centralizes this info in a log file. Reports can be extracted from this application.
- Accept at least 5 concurrent clients. Number can be specified as an env variable.
- Data saving actions and reports are written/read to/from a file named numbers.log.
- Numbers and must be composed of exactly nine decimal digits are to be accepted by this server application. An incorrect input will terminate the connection with the client.
- No duplicate numbers may be written to the log file.
- The command terminate is also accepted and terminates all the client connections plus this server application.
- Every 10 seconds, the Application must print a report to standard output:
The report should include the following points:
- The difference since the last report of the count of new unique numbers that have been received.
- The difference since the last report of the count of new duplicate numbers that have been received.
- The total number of unique numbers received for this run of the Application.
- Example:
Received 50 unique numbers, 2 duplicates. Unique total: 234567
more features to be added soon
docker build --tag docker-central-log . && docker run -p 4001:4001 docker-central-log
ls //after any writing operation, 'numbers.log' file should appear
Clients can open connections using telnet for example.