func sendStartupData(s *seed.Seed, socket socket, runningState string) {
messages := []executor.MonitorMessage{}
// _service block content
messages = append(messages, executor.MonitorMessage{
Block: "_service",
Data: fmt.Sprintf("<code>%s</code>", s.String()[1:]), // skip the beginning newline in the string
})
// _graph block content
dot, err := dot.ToDot(s, s.Name)
if err != nil {
panic(err)
}
graphviz := exec.Command("dot", "-Tsvg")
graphviz.Stdin = bytes.NewBuffer(dot)
graph, err := graphviz.Output()
if err != nil {
panic(err)
}
messages = append(messages, executor.MonitorMessage{
Block: "_graph",
Data: string(graph), // skip the beginning newline in the string
})
// list of collections for input control
collections := ""
for name, _ := range s.Collections {
collections += fmt.Sprintf("<option value=\"%s\">%s</option>", name, name)
}
messages = append(messages, executor.MonitorMessage{
Block: "_collections",
Data: collections,
})
// runningState
messages = append(messages, executor.MonitorMessage{
Block: "_command",
Data: runningState,
})
for _, message := range messages {
data, err := json.Marshal(message)
if err != nil {
panic(err)
}
socket.Write(data)
}
}
