func (rn *RaftNode) listenToCommitChannels(connch map[int64]chan *fs.Msg, ff *fs.FS, gversion *int) {
for {
//fmt.Printf("for begins...!!!\n")
ci := <-rn.CommitChannel()
//fmt.Printf("In serve, ci->%v\n", ci)
rnmsgcc, err := decode(ci.Data)
if ci.Err != nil {
connch[rnmsgcc.ClientId] <- &fs.Msg{'P', rnmsgcc.Msg.Filename, rnmsgcc.Msg.Contents, rnmsgcc.Msg.Numbytes, rnmsgcc.Msg.Exptime, rnmsgcc.Msg.Version}
continue
}
if err != nil {
// fmt.Printf("In decode, rnmsgcc.err->%v\n", err)
return
}
response := fs.ProcessMsg(rnmsgcc.Msg, ff, gversion)
_, ok := connch[rnmsgcc.ClientId]
//fmt.Printf("Received on channel for client -> %v, msg kind -> %v\n", rnmsgcc.ClientId, rnmsgcc.Msg.Kind)
if ok == true {
connch[rnmsgcc.ClientId] <- response
}
//fmt.Printf("for finishes..!!\n")
}
}
func serve(conn *net.TCPConn, rn RaftNode, clientId int64, connch map[int64]chan *fs.Msg, ff *fs.FS, gversion *int) {
reader := bufio.NewReader(conn)
for {
msg, msgerr, fatalerr := fs.GetMsg(reader)
if fatalerr != nil || msgerr != nil {
reply(conn, &fs.Msg{Kind: 'M'}, "")
conn.Close()
break
}
if msgerr != nil {
if (!reply(conn, &fs.Msg{Kind: 'M'}, "")) {
conn.Close()
break
}
}
//fmt.Printf("Inside serve, msg:%c\n", msg.Kind)
if msg.Kind != 'r' {
tempmsg := Rnmsg{clientId, msg}
rnmsgbytes, err1 := encode(tempmsg)
if err1 != nil {
//fmt.Printf("encoding error:%v", err1)
return
}
rn.Append(rnmsgbytes)
//fmt.Printf("waiting for response for client %v..!!\n", clientId)
dmsg := <-connch[clientId]
//response := fs.ProcessMsg(dmsg,ff,gversion)
// fmt.Printf("Received on client channel -> %v, msg kind -> %v\n",clientId, dmsg.Kind)
if dmsg.Kind == 'P' {
//fmt.Printf("Voted For in serve->%v\n", rn.sm.votedFor)
for j := 0; j < len(temp.Peers); j++ {
if temp.Peers[j].Id == rn.sm.votedFor {
reply(conn, dmsg, temp.Peers[j].ServerAddress)
}
}
} else {
//fmt.Printf("msg kind not P on client %v\n", clientId)
// response := fs.ProcessMsg(dmsg, ff, gversion)
if !reply(conn, dmsg, "") {
conn.Close()
break
}
}
} else {
response := fs.ProcessMsg(msg, ff, gversion)
if !reply(conn, response, "") {
conn.Close()
break
}
}
}
}