# HW12

Homework

To build source, you should install `build-essential`. 

Usage: 
```bash
./server [OPTION]...
./client SERVERNAME PORT FILENAME
```

Server OPTION and arguments:
- `-p port`   :set to port binding. couldn't set to 0
- `-h`        :print help message.

Available macro:
- DEFAULT_SERVER_PORT : 9091
- DEFAULT_MAX_PATH_SIZE : 256(must be less than 1000)
- TIMEOUT : 5(second unit)
- USE_SENDFILE
    - DEFAULT_SEND_FILE_CHUNK_SIZE : 0x100000(1MB)