private Message ProcJoinRequest(Message msg)
{
OutputManager.Server.Write("Processing join request...");
Messages.JoinRequest jrMsg = new JoinRequest(msg.ToString());
OutputManager.Server.Write("Finding join point...");
Messages.ResourceOwnerRequest joinPointRequest = new Messages.ResourceOwnerRequest(this.localNode, jrMsg.senderID);
OutputManager.Server.Write("Awaiting to process...");
Message tmp = ProcResourceOwnerRequest(joinPointRequest);
OutputManager.Server.Write("process awaited");
Messages.ResourceOwnerResponse joinPointResponse = tmp as Messages.ResourceOwnerResponse;
Messages.JoinResponse rMsg; // Used to create the response message later
if (joinPointResponse == null)
{
OutputManager.Server.Write("No join point found." + (tmp == null ? "null" : tmp.ToString()));
OutputManager.Server.Write("Join request failed!");
rMsg = new Messages.JoinResponse(this.localNode, this.localNode, this.localNode);
rMsg.isProcessed = false;
}
else
{
OutputManager.Server.Write("Generating Pred and Succ nodes...");
ChordNode succNode = new ChordNode(joinPointResponse.ownerIpAddress, joinPointResponse.ownerPort, joinPointResponse.ownerId);
ChordNode predNode = new ChordNode(joinPointResponse.predIpAddress, joinPointResponse.predPort, joinPointResponse.predId);
OutputManager.Server.Write("Generating a response...");
rMsg = new Messages.JoinResponse(this.localNode, succNode, predNode);
rMsg.isProcessed = true;
OutputManager.Server.Write("Join request processed!");
}
return(rMsg);
}
private Message ProcResourceOwnerRequest(Message msg)
{
Messages.ResourceOwnerRequest rorMsg = new Messages.ResourceOwnerRequest(msg.ToString());
OutputManager.Server.Write("Processing resource owner request...");
if (IsResponsibleForResource(rorMsg.resourceId))
{
OutputManager.Server.Write("Is responsible for resource...");
msg = new Messages.ResourceOwnerResponse(this.localNode, rorMsg.resourceId, this.localNode, this.localNode.predNode, this.localNode.succNode);
msg.isProcessed = true;
}
else
{
OutputManager.Server.Write("Not responsible for resource...");
}
OutputManager.Server.Write("Resource owner request processed!");
return(msg);
}