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transport.go
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transport.go
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package transport
import (
"io"
"net/http"
"github.com/googollee/go-engine.io/message"
"github.com/googollee/go-engine.io/parser"
)
type Callback interface {
OnPacket(r *parser.PacketDecoder)
OnClose(server Server)
}
type Creater struct {
Name string
Upgrading bool
Server func(w http.ResponseWriter, r *http.Request, callback Callback) (Server, error)
Client func(r *http.Request) (Client, error)
}
// Server is a transport layer in server to connect client.
type Server interface {
// ServeHTTP handles the http request. It will call conn.onPacket when receive packet.
ServeHTTP(http.ResponseWriter, *http.Request)
// Close closes the transport.
Close() error
// NextWriter returns packet writer. This function call should be synced.
NextWriter(messageType message.MessageType, packetType parser.PacketType) (io.WriteCloser, error)
}
// Client is a transport layer in client to connect server.
type Client interface {
// Response returns the response of last http request.
Response() *http.Response
// NextReader returns packet decoder. This function call should be synced.
NextReader() (*parser.PacketDecoder, error)
// NextWriter returns packet writer. This function call should be synced.
NextWriter(messageType message.MessageType, packetType parser.PacketType) (io.WriteCloser, error)
// Close closes the transport.
Close() error
}