// RPC
func (tl *TranLayer) TransResponse(args *airlineproto.TranArgs, reply *airlineproto.TranReply) error {
lsplog.Vlogf(5, args.TranID+": Reeceived trans respose %d", args.Vote)
// send request to store handler
var req *reqContent
switch args.TranType {
case transaction.TRANS_RESPONSE:
req = &reqContent{TRANS_RESPONSE, "", args}
case transaction.TRANS_OLD:
req = &reqContent{TRANS_OLD, "", args}
}
switch req.reqType {
case TRANS_RESPONSE:
tl.reqChan <- &Request{req, nil}
reply.Status = airlineproto.OK
case TRANS_OLD:
replyc := make(chan interface{})
tl.reqChan <- &Request{req, replyc}
decision := (<-replyc).(int)
reply.Status = decision
}
// reply to rpc
reply.Status = airlineproto.OK
return nil
}
func (as *AirlineServer) Transaction(args *airlineproto.TranArgs, reply *airlineproto.TranReply) error {
// send request to store handler
cmdArgs, _ := json.Marshal(*args)
paxosCmd := fmt.Sprintf("%s@TA@%s", as.myhostport, cmdArgs)
req := &reqContent{PAXOS_REQUEST, paxosCmd, nil}
// wait for response
switch args.TranType {
case transaction.TRANS_INIT, transaction.TRANS_RESPONSE, transaction.TRANS_OLD_RESPONSE:
as.reqChan <- &Request{req, nil, true}
reply.Status = airlineproto.OK
case transaction.TRANS_OLD:
replyc := make(chan interface{})
as.reqChan <- &Request{req, replyc, true}
decision := (<-replyc).(int)
reply.Status = decision
}
return nil
}