adding quickfix library

quickfix/session_rejects.go

@@ -0,0 +1,47 @@
+// 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 (
+	"fmt"
+)
+
+// IncorrectBeginString is a message reject specific to incorrect begin strings.
+type incorrectBeginString struct{ messageRejectError }
+
+func (e incorrectBeginString) Error() string { return "Incorrect BeginString" }
+
+// targetTooHigh is a MessageReject where the sequence number is larger than expected.
+type targetTooHigh struct {
+	messageRejectError
+	ReceivedTarget int
+	ExpectedTarget int
+}
+
+func (e targetTooHigh) Error() string {
+	return fmt.Sprintf("MsgSeqNum too high, expecting %d but received %d", e.ExpectedTarget, e.ReceivedTarget)
+}
+
+// targetTooLow is a MessageReject where the sequence number is less than expected.
+type targetTooLow struct {
+	messageRejectError
+	ReceivedTarget int
+	ExpectedTarget int
+}
+
+func (e targetTooLow) Error() string {
+	return fmt.Sprintf("MsgSeqNum too low, expecting %d but received %d", e.ExpectedTarget, e.ReceivedTarget)
+}