func (c *commandStrategy) msgBroadcast() error {
c.app.RWMutex.RLock()
defer c.app.RWMutex.RUnlock()
var id string
content := c.body["content"]
logging.Debug("Sending message broadcast from %s", c.app.Manifest.InstanceId)
if id_, ok := getString(c.body, "id"); ok {
id = id_
} else {
return errors.New("No id found")
}
msg_archive.RecordMsg(c.app, id)
toSend := make(jsonData)
toSend["fromInstanceId"] = c.app.Manifest.InstanceId
toSend["id"] = id
toSend["content"] = content
for _, cpb := range c.app.Manifest.Capabilities {
for _, dep := range registry.GetDependents(cpb) {
dep.Send("MSG_BROADCAST", toSend)
}
}
return nil
}
// send this message query to all targeted apps
func (c *commandStrategy) msgQuery() error {
c.app.RWMutex.RLock()
defer c.app.RWMutex.RUnlock()
logging.Debug("Processing query from %s", c.app.Manifest.InstanceId)
mq, err := parseMsgQuery(c)
if err != nil {
return err
}
msg_archive.RecordMsg(c.app, mq.id)
body := make(jsonData)
body["fromInstanceId"] = c.app.Manifest.InstanceId
body["id"] = mq.id
body["priority"] = mq.priority
body["data"] = mq.data
body["instanceId"] = mq.instanceIds
body["action"] = mq.action
body["capability"] = mq.capability.Name
// if this is an undirected query
if len(mq.instanceIds) == 0 {
// send to all providers of the capability
for _, provider := range registry.GetProviders(mq.capability) {
provider.Send("MSG_QUERY", body)
}
} else {
// this is a directed query, send to all given instance ids
for _, instName := range mq.instanceIds {
if inst, ok := registry.GetInstance(instName); ok {
inst.Send("MSG_QUERY", body)
}
}
}
return nil
}