Grade: 100/100 ✅ Tests provided from professors: Pass
Detailed view:
| Goals | State |
|---|---|
Basic shell functionality, like command input and basic commands (e.g. ls ) |
✅ |
| Correct returning and output printing | ✅ |
| Redirections: >, < , >> | ✅ |
| Pipes: multiple pipes/process and integration with redirection | ✅ |
| Background process executions | ✅ |
Multiple chained commands using ";" (e.g. sort file1 &; ls &; ) |
✅ |
| Wildcard integration : ? and * | ✅ |
Aliases: Creating aliases using createalias builtin command, deleting aliases using destroyalias |
✅ |
History: Printing last 20 commands using history command and execution specific command in history using history <number> |
✅ |
| Signals: C^C terminates current running process but not shell process , C^Z places current running process in the background, and gives control back to shell, C^D (EOF) terminates the shell | ✅ |
Implemented a voting system constisting primarily of a poller multithreaded server, which listens on a port specified by the user, and creates <worker_thread> number of threads inside it to handle requests, queue_buffer_max_size is the maximum buffer size. When the buffer is full, all requests wait until a request is handled to open a spot in the buffer. When the buffer is empty, worker threads do not work. Thus we have a pool of threads. The main thread just places requests into a buffer which are then handled by worker threads. Main thread also outputs statistics before terminating with C^C, as well as a log file of requests that where handled/votes that where counted. Communication between server-client is done with a protocol provided by the professors. Communication between main thread and worker threads follows a producer-consumer schema. Also implemented a client to support batch voting on the server.
Lastly, some scripts where created to assist in the debugging of the server.
Grade: 100/100 ✅ Tests provided from professors: Pass
Detailed view:
| Goals | State |
|---|---|
| Master thread: Place reuqests in buffer, create worker threads, update log file, C^C creates stats file and terminates poller | ✅ |
| Worker threads: pooling, retrieving request from buffer, worker-client communication, update log file for vote, update inside structure to use for statistics | ✅ |
| Synchronization: Block master then buffer if full, workers wait when buffer empty | ✅ |
| Client: Multithreaded client implementation, client-server comminication, client-worker thread communication | ✅ |