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request.go
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request.go
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package gosf
import (
io "github.com/ambelovsky/gosf-socketio"
)
// Request represents a single request over an active connection
type Request struct {
Endpoint string
Message *Message
}
// Broadcast sends a message to connected clients joined to the same room
func Broadcast(room string, endpoint string, message *Message) {
emit("before-broadcast", room, endpoint, message)
if room != "" {
ioServer.BroadcastTo(room, endpoint, message)
} else {
ioServer.BroadcastToAll(endpoint, message)
}
emit("after-broadcast", room, endpoint, message)
}
// Listen creates a listener on an endpoint
func Listen(endpoint string, callback func(client *Client, request *Request) *Message) {
ioServer.On(endpoint, func(channel *io.Channel, clientMessage *Message) *Message {
client := new(Client)
client.channel = channel
request := new(Request)
request.Endpoint = endpoint
request.Message = clientMessage
emit("before-request", client, request)
response := callback(client, request)
emit("after-request", client, request, response)
defer emit("after-response", client, request, response)
return request.respond(client, response)
})
}
// Respond sends a message back to the client
func (request Request) respond(client *Client, response *Message) *Message {
emit("before-response", client, &request, response)
if response != nil {
if &request.Message.ID != nil {
response.ID = request.Message.ID
}
if &request.Message.GUID != nil {
response.GUID = request.Message.GUID
}
if &request.Message.UUID != nil {
response.UUID = request.Message.UUID
}
client.channel.Emit(request.Endpoint, response)
return response
}
return nil
}