adding quickfix library

quickfix/store.go

@@ -0,0 +1,50 @@
+// Copyright (c) quickfixengine.org  All rights reserved.
+//
+// This file may be distributed under the terms of the quickfixengine.org
+// license as defined by quickfixengine.org and appearing in the file
+// LICENSE included in the packaging of this file.
+//
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING
+// THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE.
+//
+// See http://www.quickfixengine.org/LICENSE for licensing information.
+//
+// Contact ask@quickfixengine.org if any conditions of this licensing
+// are not clear to you.
+
+package quickfix
+
+import (
+	"time"
+)
+
+// The MessageStore interface provides methods to record and retrieve messages for resend purposes.
+type MessageStore interface {
+	NextSenderMsgSeqNum() int
+	NextTargetMsgSeqNum() int
+
+	IncrNextSenderMsgSeqNum() error
+	IncrNextTargetMsgSeqNum() error
+
+	SetNextSenderMsgSeqNum(next int) error
+	SetNextTargetMsgSeqNum(next int) error
+
+	CreationTime() time.Time
+	SetCreationTime(time.Time)
+
+	SaveMessage(seqNum int, msg []byte) error
+	SaveMessageAndIncrNextSenderMsgSeqNum(seqNum int, msg []byte) error
+	GetMessages(beginSeqNum, endSeqNum int) ([][]byte, error)
+	IterateMessages(beginSeqNum, endSeqNum int, cb func([]byte) error) error
+
+	Refresh() error
+	Reset() error
+
+	Close() error
+}
+
+// The MessageStoreFactory interface is used by session to create a session specific message store.
+type MessageStoreFactory interface {
+	Create(sessionID SessionID) (MessageStore, error)
+}