diff options
Diffstat (limited to 'src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/GossipGirlState.java')
-rw-r--r-- | src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/GossipGirlState.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/GossipGirlState.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/GossipGirlState.java new file mode 100644 index 0000000..726a9b2 --- /dev/null +++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/GossipGirlState.java @@ -0,0 +1,112 @@ +package pl.edu.mimuw.cloudatlas.agent.modules; + +import java.util.LinkedList; +import java.util.List; +import java.util.Map; +import java.util.Map.Entry; + +import pl.edu.mimuw.cloudatlas.agent.messages.NoCoTamMessage; +import pl.edu.mimuw.cloudatlas.model.Attribute; +import pl.edu.mimuw.cloudatlas.model.PathName; +import pl.edu.mimuw.cloudatlas.model.ValueContact; +import pl.edu.mimuw.cloudatlas.model.ValueQuery; +import pl.edu.mimuw.cloudatlas.model.ValueTime; +import pl.edu.mimuw.cloudatlas.model.ZMI; + +public class GossipGirlState { + public enum State { + WAIT_FOR_STATE_INITIALIZER, + WAIT_FOR_STATE_RESPONDER, + SEND_HEJKA, + SEND_INFO, + WAIT_FOR_NO_CO_TAM, + WAIT_FOR_FIRST_INFO, + WAIT_FOR_INFO, + ERROR + } + public PathName ourPath; + public ValueContact theirContact; + public long gossipId; + public long theirGossipId; + public long timeOffest; + public State state; + public ZMI hierarchy; + public Map<Attribute, Entry<ValueQuery, ValueTime>> queries; + public ValueTime hejkaSendTimestamp; + public ValueTime hejkaReceiveTimestamp; + public ValueTime noCoTamSendTimestamp; + public ValueTime noCoTamSendReceiveTimestamp; + private Map<PathName, ValueTime> theirZoneTimestamps; + private Map<Attribute, ValueTime> theirQueryTimestamps; + + public GossipGirlState(long gossipId, PathName ourPath, ValueContact theirContact, boolean initiating) { + this.gossipId = gossipId; + this.ourPath = ourPath; + this.theirContact = theirContact; + if (initiating) { + state = State.WAIT_FOR_STATE_INITIALIZER; + } else { + state = State.WAIT_FOR_STATE_RESPONDER; + } + } + + public void setState(ZMI hierarchy, Map<Attribute, Entry<ValueQuery, ValueTime>> queries) { + switch (state) { + case WAIT_FOR_STATE_INITIALIZER: + this.hierarchy = hierarchy; + this.queries = queries; + state = State.SEND_HEJKA; + break; + case WAIT_FOR_STATE_RESPONDER: + this.hierarchy = hierarchy; + this.queries = queries; + state = State.WAIT_FOR_FIRST_INFO; + break; + default: + System.out.println("ERROR: tried to set gossip state when not expected"); + state = State.ERROR; + } + } + + public void sentHejka() { + switch (state) { + case SEND_HEJKA: + state = state.WAIT_FOR_NO_CO_TAM; + break; + default: + System.out.println("ERROR: tried to set gossip state when not expected"); + state = State.ERROR; + } + } + + public void handleNoCoTam(NoCoTamMessage message) { + switch (state) { + case WAIT_FOR_NO_CO_TAM: + theirGossipId = message.getSenderGossipId(); + theirZoneTimestamps = message.getZoneTimestamps(); + theirQueryTimestamps = message.getQueryTimestamps(); + hejkaSendTimestamp = message.getHejkaSendTimestamp(); + hejkaReceiveTimestamp = message.getHejkaReceiveTimestamp(); + state = State.SEND_INFO; + break; + default: + System.out.println("ERROR: tried to set gossip state when not expected"); + state = State.ERROR; + } + } + + public List<ZMI> getZMIsToSend() { + return new LinkedList(); + } + + public void sentInfo() { + switch (state) { + case SEND_INFO: + state = State.WAIT_FOR_INFO; + break; + default: + System.out.println("ERROR: tried to set gossip state when not expected"); + state = State.ERROR; + } + } +} |