OS_proj2

Description

Server:

• Listens for messages, puts them in protocol queue Protocol:
• Processes request and grant messages received from other nodes
• Stores counter for number of grant messages received from other nodes

Source shell

public class application {

@Override
run()  {

	while(iter--) {
		delay
		csEnter
		// Write to the output file


		delay


		// Write to the output file
		// <real_time> enterCS <node number> <scalar_clock> 
		csExit
	}

}

}

public class message { // Message type // Clock value // Sender node }

public class server {

// Listening for messages from other nodes
// Premption, hold and wait, asking for permission from other quorum members in certain order

@override
run() {
	// Listen for messages
	// Parse and send to the protocol object

	// On new message send to protocol class
	parse_message();
}

}

public class protocol {

private integer clock;
private boolean occupied;

public csEnter {
	// Send request messages to other quorum members
}

public csExit {
	// Send release messages to other quorum members
}

public releaseMessage {

}

public grantMessage {

}

// Method for each message type

public parse_message {
	// 
}


main {

	// Spawn these threads
	applicaiton.run()
	server.run()
}

}