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gofix

package module

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Versions in this module

v0

v0.4.0

Oct 29, 2026

Changes in this version

+ type FromAdminInterceptor interface

+ FromAdmin func(message *Message, sessionID SessionID) MessageRejectError

+ type OnCreateHandler interface

+ OnCreate func(sessionID SessionID)

+ type OnLogonHandler interface

+ OnLogon func(sessionID SessionID)

+ type OnLogoutHandler interface

+ OnLogout func(sessionID SessionID)

+ type ToAdminInterceptor interface

+ ToAdmin func(message *Message, sessionID SessionID)

+ type ToAppInterceptor interface

+ ToApp func(message *Message, sessionID SessionID) error

v0.3.0

Oct 27, 2026

Changes in this version

+ const ApplVerIDFIX27

+ const ApplVerIDFIX30

+ const ApplVerIDFIX40

+ const ApplVerIDFIX41

+ const ApplVerIDFIX42

+ const ApplVerIDFIX43

+ const ApplVerIDFIX44

+ const ApplVerIDFIX50

+ const ApplVerIDFIX50SP1

+ const ApplVerIDFIX50SP2

+ const BeginStringFIX40

+ const BeginStringFIX41

+ const BeginStringFIX42

+ const BeginStringFIX43

+ const BeginStringFIX44

+ const BeginStringFIXT11

+ const UserDefinedTagMin

+ var ErrDoNotSend = errors.New("Do Not Send")

+ func GetExpectedSenderNum(sessionID SessionID) (int, error)

+ func GetExpectedTargetNum(sessionID SessionID) (int, error)

+ func ParseMessage(msg *Message, rawMessage *bytes.Buffer) (err error)

+ func ParseMessageWithDataDictionary(msg *Message, rawMessage *bytes.Buffer, ...) (err error)

+ func ResetSession(sessionID SessionID) error

+ func Send(m Messagable) (err error)

+ func SendToTarget(m Messagable, sessionID SessionID) error

+ func SetNextSenderMsgSeqNum(sessionID SessionID, seqNum int) error

+ func SetNextTargetMsgSeqNum(sessionID SessionID, seqNum int) error

+ func UnregisterSession(sessionID SessionID) error

+ type Acceptor struct

+ func NewAcceptor(app Application, storeFactory MessageStoreFactory, settings *Settings, ...) (a *Acceptor, err error)

+ func (a *Acceptor) Registry() *Registry

+ func (a *Acceptor) RemoteAddr(sessionID SessionID) (net.Addr, bool)

+ func (a *Acceptor) SetConnectionValidator(validator ConnectionValidator)

+ func (a *Acceptor) SetNewListenerCallback(cb NewListenerCallback)

+ func (a *Acceptor) SetTLSConfig(tlsConfig *tls.Config)

+ func (a *Acceptor) Start() (err error)

+ func (a *Acceptor) Stop()

+ type Application interface

+ FromApp func(message *Message, sessionID SessionID) MessageRejectError

+ type Body struct

+ func (b *Body) Init()

+ func (t Body) Len() int

+ func (t Body) Less(i, j int) bool

+ func (t Body) Swap(i, j int)

+ type ConditionallyRequiredSetting struct

+ Setting string

+ func (e ConditionallyRequiredSetting) Error() string

+ type ConnectionValidator interface

+ Validate func(netConn net.Conn, session SessionID) error

+ type FIXBoolean bool

+ func (f *FIXBoolean) Read(bytes []byte) error

+ func (f FIXBoolean) Bool() bool

+ func (f FIXBoolean) Write() []byte

+ type FIXBytes []byte

+ func (f *FIXBytes) Read(bytes []byte) (err error)

+ func (f FIXBytes) Write() []byte

+ type FIXDecimal struct

+ Scale int32

+ func (d *FIXDecimal) Read(bytes []byte) (err error)

+ func (d FIXDecimal) Write() []byte

+ type FIXFloat float64

+ func (f *FIXFloat) Read(bytes []byte) error

+ func (f FIXFloat) Float64() float64

+ func (f FIXFloat) Write() []byte

+ type FIXInt int

+ func (f *FIXInt) Read(bytes []byte) error

+ func (f FIXInt) Int() int

+ func (f FIXInt) Write() []byte

+ type FIXString string

+ func (f *FIXString) Read(bytes []byte) (err error)

+ func (f FIXString) String() string

+ func (f FIXString) Write() []byte

+ type FIXUDecimal struct

+ Scale uint8

+ func (d *FIXUDecimal) Read(bytes []byte) (err error)

+ func (d FIXUDecimal) Write() []byte

+ type FIXUTCTimestamp struct

+ Precision TimestampPrecision

+ func (f *FIXUTCTimestamp) Read(bytes []byte) (err error)

+ func (f FIXUTCTimestamp) Write() []byte

+ type Field interface

+ type FieldGroup interface

+ Read func([]TagValue) ([]TagValue, error)

+ Tag func() Tag

+ Write func() []TagValue

+ type FieldGroupReader interface

+ Read func([]TagValue) ([]TagValue, error)

+ Tag func() Tag

+ type FieldGroupWriter interface

+ Tag func() Tag

+ Write func() []TagValue

+ type FieldMap struct

+ func (m *FieldMap) Clear()

+ func (m *FieldMap) CopyInto(to *FieldMap)

+ func (m *FieldMap) Remove(tag Tag)

+ func (m *FieldMap) Set(field FieldWriter) *FieldMap

+ func (m *FieldMap) SetBool(tag Tag, value bool) *FieldMap

+ func (m *FieldMap) SetBytes(tag Tag, value []byte) *FieldMap

+ func (m *FieldMap) SetField(tag Tag, field FieldValueWriter) *FieldMap

+ func (m *FieldMap) SetGroup(field FieldGroupWriter) *FieldMap

+ func (m *FieldMap) SetInt(tag Tag, value int) *FieldMap

+ func (m *FieldMap) SetString(tag Tag, value string) *FieldMap

+ func (m FieldMap) Get(parser Field) MessageRejectError

+ func (m FieldMap) GetBool(tag Tag) (bool, MessageRejectError)

+ func (m FieldMap) GetBytes(tag Tag) ([]byte, MessageRejectError)

+ func (m FieldMap) GetField(tag Tag, parser FieldValueReader) MessageRejectError

+ func (m FieldMap) GetGroup(parser FieldGroupReader) MessageRejectError

+ func (m FieldMap) GetInt(tag Tag) (int, MessageRejectError)

+ func (m FieldMap) GetString(tag Tag) (string, MessageRejectError)

+ func (m FieldMap) GetTime(tag Tag) (t time.Time, err MessageRejectError)

+ func (m FieldMap) Has(tag Tag) bool

+ func (m FieldMap) Tags() []Tag

+ func (t FieldMap) Len() int

+ func (t FieldMap) Less(i, j int) bool

+ func (t FieldMap) Swap(i, j int)

+ type FieldValue interface

+ type FieldValueReader interface

+ Read func([]byte) error

+ type FieldValueWriter interface

+ Write func() []byte

+ type FieldWriter interface

+ Tag func() Tag

+ type Group struct

+ func (t Group) Len() int

+ func (t Group) Less(i, j int) bool

+ func (t Group) Swap(i, j int)

+ type GroupItem interface

+ Clone func() GroupItem

+ Read func([]TagValue) ([]TagValue, error)

+ Tag func() Tag

+ func GroupElement(tag Tag) GroupItem

+ type GroupTemplate []GroupItem

+ func (gt GroupTemplate) Clone() GroupTemplate

+ type Header struct

+ func (h *Header) Init()

+ func (t Header) Len() int

+ func (t Header) Less(i, j int) bool

+ func (t Header) Swap(i, j int)

+ type IncorrectFormatForSetting struct

+ Err error

+ Setting string

+ Value []byte

+ func (e IncorrectFormatForSetting) Error() string

+ type Initiator struct

+ func NewInitiator(app Application, storeFactory MessageStoreFactory, appSettings *Settings, ...) (*Initiator, error)

+ func (i *Initiator) Registry() *Registry

+ func (i *Initiator) Start() (err error)

+ func (i *Initiator) Stop()

+ type Log interface

+ OnEvent func(string)

+ OnEventf func(string, ...any)

+ OnIncoming func([]byte)

+ OnOutgoing func([]byte)

+ func GetLog(sessionID SessionID) (Log, error)

+ type LogFactory interface

+ Create func() (Log, error)

+ CreateSessionLog func(sessionID SessionID) (Log, error)

+ func NewNullLogFactory() LogFactory

+ type Messagable interface

+ ToMessage func() *Message

+ type Message struct

+ Body Body

+ Header Header

+ ReceiveTime time.Time

+ Trailer Trailer

+ func NewMessage() *Message

+ func (m *Message) Bytes() []byte

+ func (m *Message) CopyInto(to *Message)

+ func (m *Message) IsMsgTypeOf(msgType string) bool

+ func (m *Message) MsgType() (string, MessageRejectError)

+ func (m *Message) String() string

+ func (m *Message) ToMessage() *Message

+ type MessageInterceptor interface

+ FromAdmin func(message *Message, sessionID SessionID) MessageRejectError

+ ToAdmin func(message *Message, sessionID SessionID)

+ ToApp func(message *Message, sessionID SessionID) error

+ type MessageRejectError interface

+ BusinessRejectRefID func() string

+ IsBusinessReject func() bool

+ RefTagID func() *Tag

+ RejectReason func() int

+ func ConditionallyRequiredFieldMissing(tag Tag) MessageRejectError

+ func IncorrectDataFormatForValue(tag Tag) MessageRejectError

+ func InvalidMessageType() MessageRejectError

+ func InvalidTagNumber(tag Tag) MessageRejectError

+ func NewBusinessMessageRejectError(err string, rejectReason int, refTagID *Tag) MessageRejectError

+ func NewBusinessMessageRejectErrorWithRefID(err string, rejectReason int, businessRejectRefID string, refTagID *Tag) MessageRejectError

+ func NewMessageRejectError(err string, rejectReason int, refTagID *Tag) MessageRejectError

+ func RequiredTagMissing(tag Tag) MessageRejectError

+ func TagNotDefinedForThisMessageType(tag Tag) MessageRejectError

+ func TagSpecifiedWithoutAValue(tag Tag) MessageRejectError

+ func UnsupportedMessageType() MessageRejectError

+ func ValueIsIncorrect(tag Tag) MessageRejectError

+ type MessageRoute func(msg *Message, sessionID SessionID) MessageRejectError

+ type MessageRouter struct

+ func NewMessageRouter(opts ...Option) *MessageRouter

+ func (c MessageRouter) AddRoute(beginString string, msgType string, router MessageRoute)

+ func (c MessageRouter) FromApp(msg *Message, sessionID SessionID) MessageRejectError

+ func (c MessageRouter) Route(msg *Message, sessionID SessionID) MessageRejectError

+ type MessageStore interface

+ Close func() error

+ CreationTime func() time.Time

+ GetMessages func(beginSeqNum, endSeqNum int) ([][]byte, error)

+ IncrNextSenderMsgSeqNum func() error

+ IncrNextTargetMsgSeqNum func() error

+ IterateMessages func(beginSeqNum, endSeqNum int, cb func([]byte) error) error

+ NextSenderMsgSeqNum func() int

+ NextTargetMsgSeqNum func() int

+ Refresh func() error

+ Reset func() error

+ SaveMessage func(seqNum int, msg []byte) error

+ SaveMessageAndIncrNextSenderMsgSeqNum func(seqNum int, msg []byte) error

+ SetCreationTime func(time.Time)

+ SetNextSenderMsgSeqNum func(next int) error

+ SetNextTargetMsgSeqNum func(next int) error

+ func GetMessageStore(sessionID SessionID) (MessageStore, error)

+ type MessageStoreFactory interface

+ Create func(sessionID SessionID) (MessageStore, error)

+ func NewMemoryStoreFactory() MessageStoreFactory

+ type Metrics interface

+ MessageReceived func(bytes int)

+ MessageSent func(bytes int)

+ type MetricsFactory interface

+ CreateSessionMetrics func(sessionID SessionID) Metrics

+ type NewListenerCallback func(address string, tlsConfig *tls.Config) (net.Listener, error)

+ type Option func(*options)

+ func WithMetrics(f MetricsFactory) Option

+ func WithRegistry(r *Registry) Option

+ type Registry struct

+ func DefaultRegistry() *Registry

+ func NewRegistry() *Registry

+ func (r *Registry) GetExpectedSenderNum(sessionID SessionID) (int, error)

+ func (r *Registry) GetExpectedTargetNum(sessionID SessionID) (int, error)

+ func (r *Registry) GetLog(sessionID SessionID) (Log, error)

+ func (r *Registry) GetMessageStore(sessionID SessionID) (MessageStore, error)

+ func (r *Registry) ResetSession(sessionID SessionID) error

+ func (r *Registry) Send(m Messagable) (err error)

+ func (r *Registry) SendToTarget(m Messagable, sessionID SessionID) error

+ func (r *Registry) SetNextSenderMsgSeqNum(sessionID SessionID, seqNum int) error

+ func (r *Registry) SetNextTargetMsgSeqNum(sessionID SessionID, seqNum int) error

+ func (r *Registry) UnregisterSession(sessionID SessionID) error

+ type RejectLogon struct

+ Text string

+ func (RejectLogon) BusinessRejectRefID() string

+ func (RejectLogon) IsBusinessReject() bool

+ func (RejectLogon) RefTagID() *Tag

+ func (RejectLogon) RejectReason() int

+ func (e RejectLogon) Error() string

+ type RepeatingGroup struct

+ func NewRepeatingGroup(tag Tag, template GroupTemplate) *RepeatingGroup

+ func (f *RepeatingGroup) Add() *Group

+ func (f *RepeatingGroup) Read(tv []TagValue) ([]TagValue, error)

+ func (f *RepeatingGroup) Reset()

+ func (f RepeatingGroup) Clone() GroupItem

+ func (f RepeatingGroup) Get(i int) *Group

+ func (f RepeatingGroup) Len() int

+ func (f RepeatingGroup) Tag() Tag

+ func (f RepeatingGroup) Write() []TagValue

+ type SessionHandler interface

+ OnCreate func(sessionID SessionID)

+ OnLogon func(sessionID SessionID)

+ OnLogout func(sessionID SessionID)

+ type SessionID struct

+ BeginString string

+ Qualifier string

+ SenderCompID string

+ SenderLocationID string

+ SenderSubID string

+ TargetCompID string

+ TargetLocationID string

+ TargetSubID string

+ func (s SessionID) IsFIXT() bool

+ func (s SessionID) String() string

+ type SessionSettings struct

+ func NewSessionSettings() *SessionSettings

+ func (s *SessionSettings) DurationSetting(setting string) (time.Duration, error)

+ func (s *SessionSettings) HasSetting(setting string) bool

+ func (s *SessionSettings) Init()

+ func (s *SessionSettings) IntSetting(setting string) (int, error)

+ func (s *SessionSettings) RawSetting(setting string) ([]byte, error)

+ func (s *SessionSettings) Set(setting string, val string)

+ func (s *SessionSettings) SetRaw(setting string, val []byte)

+ func (s *SessionSettings) Setting(setting string) (string, error)

+ func (s SessionSettings) BoolSetting(setting string) (bool, error)

+ type Settings struct

+ func NewSettings() *Settings

+ func ParseSettings(reader io.Reader) (*Settings, error)

+ func (s *Settings) AddSession(sessionSettings *SessionSettings) (SessionID, error)

+ func (s *Settings) GlobalSettings() *SessionSettings

+ func (s *Settings) Init()

+ func (s *Settings) SessionSettings() map[SessionID]*SessionSettings

+ type Tag int

+ func (t Tag) IsHeader() bool

+ func (t Tag) IsTrailer() bool

+ type TagValue struct

+ func (tv TagValue) String() string

+ type TimestampPrecision int

+ const Micros

+ const Millis

+ const Nanos

+ const Seconds

+ type Trailer struct

+ func (t *Trailer) Init()

+ func (t Trailer) Len() int

+ func (t Trailer) Less(i, j int) bool

+ func (t Trailer) Swap(i, j int)

+ type Validator interface

+ Validate func(*Message) MessageRejectError

+ func NewValidator(settings ValidatorSettings, ...) Validator

+ type ValidatorSettings struct

+ AllowUnknownMessageFields bool

+ CheckFieldsHaveValues bool

+ CheckFieldsOutOfOrder bool

+ CheckUserDefinedFields bool

+ RejectInvalidMessage bool

v0.2.0-beta

Oct 27, 2026

v0.1.0-beta

Oct 19, 2026

v0.1.0-alpha

Oct 19, 2026