aibarbetta / migration-office

Trabajo Práctico 1 - 75.59 Técnicas de Programación Concurrente I (FIUBA)

Migration Office

Build

To build the project you can use the script

$ ./build.sh

This will create a build directory with the migration_office executable.

Command line parameters

• -p, --people people_file
  People file
• -a, --alerts alerts_file
  Alerts file
• -f, --fugitives fugitives_file
  Fugitive ids file
• -s, --stampers stampers_number
  (Optional) Default stampers quantity is 5
• -b, --booths booths_number
  (Optional) Default booths quantity is 10
• -d, --debug
  (Optional) Debug mode
• -l, --log log_file
  (Optional) Choose a file to log, default log file is log located in the same dir as the office's executable

Execution examples

Using defaults without log

$ ./migration_office -p ../resources/people.txt\
                     -a ../resources/alerts.txt\
                     -f ../resources/fugitives.txt

Using defaults with log

$ ./migration_office -p ../resources/people.txt\
                     -a ../resources/alerts.txt\
                     -f ../resources/fugitives.txt\
                     -d

Customizing everything

$ ./migration_office -p ../resources/people.txt\
                     -a ../resources/alerts.txt\
                     -f ../resources/fugitives.txt\
                     -b 4 -s 1\
                     -d -l logex3

Usage

Ask for statistics (allowed residents, detained residents, allowed foreigners, deported foreigners) or just exit.
> allowed residents
1
> allowed foreigners
0
> deported
Invalid command, try again
> exit

Configuration files examples

• People file

timestamp,resident,id,passport_id,features
5,1,38464269,,tez blanca,ojos oscuros
2,0,1234567,PORTOÑOL123,tez blanca,ojos verdes,barbudo

• Alerts file

timestamp,del_timestamp,features
1,8,petiso,orejudo
4,9,gatuno
0,5,sombrero cónico

• Fugitives file

id
13641107
38464269

License

GNU General Public License v3.0

migration-office's Issues

Change statistics struct to array of 4 ints

Forks refactor

Debug spawner cycle

Send fugitives list from Ministry of Security to Migration Booth

• Send fugitives ids through pipes

File reader class

To read the config files

Move repeated SIGINTHandlers to common library

Add ability to delete existent alerts

Exception handling

Persons file reader

Rename migration_spawner to people_spawner

Stampers implementation

howhowhowhow

Cleanup logs

Create file with common definitions

• File names
• Max buffer sizes
• Etc

Class diagrams

Message queue

Handle command line args

Move SignalHandler from concurrency to signal_handlers

Delete statistics initialization

Use semaphores instead of fifo for receiving read confirmations

Check termination by SIGINT

Separate files by process

Additionally if some files do not belong to any process but they are required by several processes move them to a common folder and set them up as a library.

Send statistics from Migration Booth to Statistics process

Complete README

Send alerts from Ministry of Security to Migration Booth

Generic member to fork processes from Migration Office

Currently we have 3 functions that do the same for different argvs

Add build and run instructions to README

Communication between processes diagram

Statistics process

Create the process that answers user's queries about the number of allowed residents and foreigners, the detained residents and the expelled foreigners

Change array of structs (alerts) to array of serialized structs

Use semaphores instead of id and read_by variables (Alarms)

Logger

Lock

Where does the fugitives file reader belong?

Shared memory family

SharedMemoryArray and AlertsSharedMemory are pretty much the same class

Test with multiple and more extensive input files

Fix unaddressable bytes travis error

Window process + tests

Mock the wanted persons list

Send persons from Queue process to Migration Booth

Use underscores vs camel case

People/alert spawner

Spawner has a list of T, each T with a timestamp ts. When the process reaches time ts it should place all instances of T with timestamp ts on a dedicated structure. e.g.: People queue.

MinisterOfSecurity is a spawner.

Fix busy wait in Spawner

Find a way to spawn persons and alerts without busy waiting or sleeping the process

Minister of security process