Start number: 06

Documentation

Architecture:

• When the user click „Listen!” the server divide the work (“DivideWork” procedure) and start listening for the clients.

• When the client is connected to the server, send „Request“ to the server
• Then the client receive „NewWork“ and calculate it („Calc“ procedure, which use „IsPrime“ function).
• After the client is done, it send the „Result“ back to the server.
• Server return „ReceivedResult“ to the client.
• Client after that send „Request“ back to the server.

• When the Client ask for the prime numbers in the intervals (paragraf 5 in the task), send to the server „GetPrimeNumber“ with intervals
• The server close the file and open it for read. Read number by number and if the number is in the interval, it will add it to the list and then sent it to the client (after close the file and reopen for write as append)
• Server return only part of the list (long text is divided to packet – I don‘t want it), the client ask for next part „GetNextPrimeNumber“ (see Communication for more information)

Communication:

• The „::“ is divider between the SendText (send information)
• The „||“ is divider between the texts
• The first text is identificate sent data
• „Request“, „ReceivedResult“ – no more information
• „Result“ – next information is count (x) of prime numbers and next x numbers are founded prime numbers
• „NewWork“ – next informations are „From“ and then „To“ to calculate
• „GetPrimeNumbers“ – next informations are „From“ and „To“ of the interval
• „GetNextPrimeNumbers – next informations are „LastPrimeNumber“ (the last one in the received list – the server will skip all prime numbers before this when parsing output file and sending next part of the list), „From“ and „To“ of the interval
• „ResultPrimeNumbers“ – as „Result“ (count + numbers)