forked from quickfixgo/quickfix
/
echo_server.go
148 lines (117 loc) · 3.86 KB
/
echo_server.go
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package main
import (
"fmt"
"io/ioutil"
"log"
"os"
"os/signal"
"github.com/quickfixgo/quickfix"
"github.com/quickfixgo/quickfix/enum"
"github.com/quickfixgo/quickfix/field"
"github.com/quickfixgo/quickfix/tag"
)
var router *quickfix.MessageRouter = quickfix.NewMessageRouter()
type EchoApplication struct {
log *log.Logger
OrderIds map[string]bool
}
func (e EchoApplication) OnCreate(sessionID quickfix.SessionID) {
e.log.Printf("OnCreate %v\n", sessionID.String())
}
func (e *EchoApplication) OnLogon(sessionID quickfix.SessionID) {
e.log.Printf("OnLogon %v\n", sessionID.String())
e.OrderIds = make(map[string]bool)
}
func (e *EchoApplication) OnLogout(sessionID quickfix.SessionID) {
e.log.Printf("OnLogout %v\n", sessionID.String())
}
func (e EchoApplication) ToAdmin(msgBuilder quickfix.Message, sessionID quickfix.SessionID) {
}
func (e EchoApplication) ToApp(msgBuilder quickfix.Message, sessionID quickfix.SessionID) (err error) {
return
}
func (e EchoApplication) FromAdmin(msg quickfix.Message, sessionID quickfix.SessionID) (err quickfix.MessageRejectError) {
return
}
func (e *EchoApplication) FromApp(msg quickfix.Message, sessionID quickfix.SessionID) (err quickfix.MessageRejectError) {
e.log.Println("Got Message ", msg)
return router.Route(msg, sessionID)
}
func (e *EchoApplication) processMsg(msg quickfix.Message, sessionID quickfix.SessionID) quickfix.MessageRejectError {
var possResend field.PossResendField
msg.Header.Get(&possResend)
if msg.Body.Has(tag.ClOrdID) {
var orderID field.ClOrdIDField
if err := msg.Body.Get(&orderID); err != nil {
return err
}
sessionOrderID := sessionID.String() + orderID.String()
if possResend.FIXBoolean {
if e.OrderIds[sessionOrderID] {
return nil
}
}
e.OrderIds[sessionOrderID] = true
}
reply := copyMessage(msg)
if possResend.FIXBoolean {
reply.Header.Set(possResend)
}
quickfix.SendToTarget(reply, sessionID)
return nil
}
func copyMessage(msg quickfix.Message) quickfix.Message {
msgType := new(field.MsgTypeField)
msg.Header.Get(msgType)
msg.Header.Clear()
msg.Trailer.Clear()
msg.Header.Set(msgType)
return msg
}
func main() {
app := &EchoApplication{}
app.log = log.New(ioutil.Discard, "", log.LstdFlags)
//app.log = log.New(os.Stdout, "", log.LstdFlags)
router.AddRoute(enum.BeginStringFIX40, "D", app.processMsg)
router.AddRoute(enum.BeginStringFIX41, "D", app.processMsg)
router.AddRoute(enum.BeginStringFIX42, "D", app.processMsg)
router.AddRoute(enum.BeginStringFIX43, "D", app.processMsg)
router.AddRoute(enum.BeginStringFIX44, "D", app.processMsg)
router.AddRoute(enum.ApplVerID_FIX50, "D", app.processMsg)
router.AddRoute(enum.ApplVerID_FIX50SP1, "D", app.processMsg)
router.AddRoute(enum.ApplVerID_FIX50SP2, "D", app.processMsg)
router.AddRoute(enum.BeginStringFIX42, "d", app.processMsg)
router.AddRoute(enum.BeginStringFIX43, "d", app.processMsg)
router.AddRoute(enum.BeginStringFIX44, "d", app.processMsg)
router.AddRoute(enum.ApplVerID_FIX50, "d", app.processMsg)
router.AddRoute(enum.ApplVerID_FIX50SP1, "d", app.processMsg)
router.AddRoute(enum.ApplVerID_FIX50SP2, "d", app.processMsg)
cfg, err := os.Open(os.Args[1])
if err != nil {
fmt.Printf("Error opening %v, %v\n", os.Args[1], err)
return
}
appSettings, err := quickfix.ParseSettings(cfg)
if err != nil {
fmt.Println("Error reading cfg:", err)
return
}
fileLogFactory, err := quickfix.NewFileLogFactory(appSettings)
if err != nil {
fmt.Println("Error creating file log factory:", err)
return
}
acceptor, err := quickfix.NewAcceptor(app, quickfix.NewMemoryStoreFactory(), appSettings, fileLogFactory)
if err != nil {
fmt.Println("Unable to create Acceptor: ", err)
return
}
if err = acceptor.Start(); err != nil {
fmt.Println("Unable to start Acceptor: ", err)
return
}
interrupt := make(chan os.Signal)
signal.Notify(interrupt)
<-interrupt
acceptor.Stop()
}