func runserver() {
bus := NewBus(BusConfig{Address: *addr, Port: *port})
err := bus.Serve()
if err != nil {
fmt.Panic("Error serving: %v", err)
}
}
func (cfg *Config) Section(name string) *Section {
if s, ok := cfg.sections[name]; ok {
return s
}
fmt.Panic("Unknown config section: %v", name)
return nil
}
func receive(conn *ws.Conn) *Msg {
msg := new(Msg)
err := ws.JSON.Receive(conn, msg)
if err != nil {
if err == io.EOF {
fmt.Printline("Connection closed")
return nil
}
fmt.Panic("Error receiving message: " + err.Error())
} else {
if !*quiet {
text, err := json.MarshalIndent(msg, "", " ")
if err != nil {
fmt.Panic("Error formatting message for display: " + err.Error())
}
fmt.Printline("Received:\n%v", string(text))
}
}
return msg
}
func (n *Node) Compact() {
if n.Handle != InvalidHandle || n.isLeaf() {
return
}
// get the common prefix length of the children
prefix := n.Nodes[0].Prefix
l := len(prefix)
for i := 1; i < len(n.Nodes); i++ {
l = min(l, CommonPrefixLength(prefix, n.Nodes[i].Prefix))
if l == 0 {
// no common prefix, bail out
return
}
}
// hoist the common child prefix
n.Prefix = n.Prefix + prefix[:l]
// update child prefix and hoist empty prefix child, if any
lnodes := len(n.Nodes)
for i := 0; i < lnodes; i++ {
child := &n.Nodes[i]
child.Prefix = child.Prefix[l:]
if len(child.Prefix) == 0 {
if n.Handle != InvalidHandle {
// this should never happen.
fmt.Panic("More than 1 empty prefix child found during compaction")
}
// move child data
n.Handle = child.Handle
n.Nodes = append(n.Nodes, child.Nodes...)
// and remove the empty node
last := len(n.Nodes) - 1
n.Nodes[i], n.Nodes[last] = n.Nodes[last], Node{}
n.Nodes = n.Nodes[:last]
}
}
}
func runclient() {
origin := fmt.String("http://%v/", *addr)
url := fmt.String("ws://%v:%v/jsonbus", *addr, *port)
conn, err := ws.Dial(url, "", origin)
if err != nil {
fmt.Panic("Error connecting to server: %v", err)
}
defer conn.Close()
err = ws.JSON.Send(conn, NewMessage("", "", &Hello{}))
if err != nil {
fmt.Panic("Error sending hello: " + err.Error())
}
msg := receive(conn)
if msg == nil {
return
}
if msg.Type != "HelloAck" {
fmt.Panic("Protocol error, expected HelloAck")
}
ack := new(HelloAck)
err = json.Unmarshal(msg.Body, ack)
if err != nil {
fmt.Panic(err.Error())
}
msgIds := GenerateMessageIds(ack.ConnId)
shutdown := make(chan struct{})
go func() {
defer close(shutdown)
for {
if receive(conn) == nil {
return
}
}
}()
if sub != nil && *sub {
err := ws.JSON.Send(conn, NewMessage(<-msgIds, "", &Subscribe{Topic: *topic}))
if err != nil {
fmt.Panic("Error sending subscription: " + err.Error())
}
}
if pub != nil && *pub {
count := 1
start := time.Now()
spamcount := 100000
if *spam {
count = spamcount
}
for ; count > 0; count-- {
err := ws.JSON.Send(conn, NewMessage(<-msgIds, "", &Publish{Topic: *topic, Message: *message}))
if err != nil {
fmt.Panic("Error sending subscription: " + err.Error())
}
}
if *spam {
d := time.Since(start)
fmt.Printline("Spamming done %v in %v: %v/second.", spamcount, d, float64(spamcount)/d.Seconds())
}
}
<-shutdown
}
