func WriteMessage(w io.Writer, m Message) (err error) {
defer errs.PassE(&err)
errs.CheckE(m.encodePayload())
var mt MessageType
switch m.(type) {
case *MessageDebug:
mt = TypeDebug
case *MessageLoginAccepted:
mt = TypeLoginAccepted
case *MessageLoginRejected:
mt = TypeLoginRejected
case *MessageSequencedData:
mt = TypeSequencedData
case *MessageHeartbeat:
mt = TypeHeartbeat
case *MessageEnd:
mt = TypeEnd
case *MessageLoginRequest:
mt = TypeLoginRequest
case *MessageUnsequencedData:
mt = TypeUnsequencedData
case *MessageClientHeartbeat:
mt = TypeClientHeartbeat
case *MessageLogout:
mt = TypeLogout
}
errs.CheckE(m.getCommon().setHeader(mt))
errs.CheckE(binary.Write(w, binary.BigEndian, m.getHeader()))
n, err := w.Write(m.getCommon().Payload)
errs.CheckE(err)
errs.Check(n == len(m.getCommon().Payload))
return
}
func ReadMessage(r io.Reader) (m Message, err error) {
defer errs.PassE(&err)
var mc MessageCommon
errs.CheckE(binary.Read(r, binary.BigEndian, &mc.Header))
mc.Payload = make([]byte, mc.Header.Length-1)
n, err := r.Read(mc.Payload)
errs.CheckE(err)
errs.Check(n == len(mc.Payload), n, len(mc.Payload))
switch mc.Header.Type {
case TypeDebug:
m = &MessageDebug{}
case TypeLoginAccepted:
m = &MessageLoginAccepted{}
case TypeLoginRejected:
m = &MessageLoginRejected{}
case TypeSequencedData:
m = &MessageSequencedData{}
case TypeHeartbeat:
m = &MessageHeartbeat{}
case TypeEnd:
m = &MessageEnd{}
case TypeLoginRequest:
m = &MessageLoginRequest{}
case TypeUnsequencedData:
m = &MessageUnsequencedData{}
case TypeClientHeartbeat:
m = &MessageClientHeartbeat{}
case TypeLogout:
m = &MessageLogout{}
}
*m.getCommon() = mc
errs.CheckE(m.decodePayload())
return
}
func (s *Subscr) SubscribeFromReader(rd io.Reader) (err error) {
defer errs.PassE(&err)
sc := bufio.NewScanner(rd)
for sc.Scan() {
text := sc.Text()
var v uint64
var b byte
if _, err := fmt.Sscanf(text, "%c%v", &b, &v); err != nil {
_, err = fmt.Sscanf(text, "%v", &v)
errs.CheckE(err)
}
oid := packet.OptionIdFromUint64(v)
if b == 'U' || b == 'u' || b == '!' {
if s.autoSubscribe {
s.stoplist[oid] = struct{}{}
} else {
s.Unsubscribe(oid)
}
} else {
s.Subscribe(oid)
}
}
errs.CheckE(sc.Err())
return
}
func (c *conn) WriteMessageSimple(m Message) (err error) {
defer errs.PassE(&err)
c.pw.SyncStart()
errs.CheckE(c.pw.WriteMessage(m))
errs.CheckE(c.pw.Flush())
return
}
func (c *Config) Dump() (yamlDoc string, err error) {
defer errs.PassE(&err)
buf, err := yaml.Marshal(c.ast)
errs.CheckE(err)
yamlDoc = string(buf)
return
}
func (mc *MessageCommon) setHeader(Type MessageType) (err error) {
defer errs.PassE(&err)
mc.Header.Type = Type
mc.Header.Length = uint8(MessageLength[Type])
errs.Check(mc.Header.Length != 0)
return
}
func createMoldPacket(startSeqNum, count int) (bs []byte, err error) {
defer errs.PassE(&err)
type moldUDP64 struct {
Session string `struc:"[10]byte"`
SequenceNumber uint64
MessageCount uint16
}
type moldUDP64MessageBlock struct {
MessageLength int16 `struc:"sizeof=Payload"`
Payload []uint8
}
errs.Check(startSeqNum >= 0)
errs.Check(count >= 0 && count < 1000)
mh := moldUDP64{
Session: "00TestSess",
SequenceNumber: uint64(startSeqNum),
MessageCount: uint16(count),
}
var bb bytes.Buffer
errs.CheckE(struc.Pack(&bb, &mh))
for i := 0; i < count; i++ {
mb := moldUDP64MessageBlock{
Payload: generateIttoMessage(startSeqNum + i),
}
errs.CheckE(struc.Pack(&bb, &mb))
}
bs = bb.Bytes()
return
}
func (m *memh2pcap) addOne(r io.Reader) (err error) {
defer errs.PassE(&err)
m.data.Reset()
scanner := bufio.NewScanner(r)
for i := 0; scanner.Scan(); i++ {
v, err := strconv.ParseUint(scanner.Text(), 16, 64)
errs.CheckE(err)
line := make([]byte, 8)
binary.LittleEndian.PutUint64(line, v)
if i == 0 {
// skip pseudo header (2 bytes)
line = line[2:]
}
_, err = m.data.Write(line)
errs.CheckE(err)
}
m.sb.Clear()
b, err := m.sb.AppendBytes(m.data.Len())
errs.CheckE(err)
copy(b, m.data.Bytes())
for _, l := range m.layers {
errs.CheckE(l.SerializeTo(m.sb, m.so))
}
ci := gopacket.CaptureInfo{
Timestamp: time.Unix(int64(m.mold.SequenceNumber), 1),
CaptureLength: len(m.sb.Bytes()),
Length: len(m.sb.Bytes()),
}
errs.CheckE(m.pw.WritePacket(ci, m.sb.Bytes()))
m.mold.SequenceNumber++
return
}
func (o *optionId) UnmarshalFlag(value string) (err error) {
defer errs.PassE(&err)
v, err := strconv.ParseUint(value, 0, 64)
errs.CheckE(err)
o.OptionId = packet.OptionIdFromUint64(v)
return
}
func (_ *efh_toolDevice) ReadRegister(bar int, addr uint64, size int) (value uint64, err error) {
errs.PassE(&err)
v, err := (exec.Command("efh_tool", "read", fmt.Sprint(bar), fmt.Sprintf("%0#16x", addr), fmt.Sprint(size))).Output()
errs.CheckE(err)
_, err = fmt.Sscan(string(v), &value)
return
}
func (c *conn) ReadMessage() (m Message, err error) {
defer errs.PassE(&err)
for c.messageReader.N == 0 {
errs.CheckE(c.readBsuHeader())
}
c.rbuf.Reset()
var b [2]byte
var n int
_, err = io.ReadFull(&c.messageReader, b[:])
errs.CheckE(err)
log.Printf("rcv bytes %v", b)
n, err = c.rbuf.Write(b[:])
errs.CheckE(err)
errs.Check(n == len(b))
h := MessageHeader{
Length: uint8(b[0]),
Type: MessageType(b[1]),
}
log.Printf("rcv header %#v", h)
io.CopyN(&c.rbuf, &c.messageReader, int64(h.Length)-2)
f := MessageFactory[h.Type]
errs.Check(f != nil)
m = f()
errs.CheckE(binary.Read(&c.rbuf, binary.LittleEndian, m))
log.Printf("rcv %#v\n", m)
return
}
func (s *SimLogger) PrintMessage(m efhMessage) (err error) {
defer errs.PassE(&err)
var bb bytes.Buffer
errs.CheckE(binary.Write(&bb, binary.LittleEndian, m))
if r := bb.Len() % 8; r > 0 {
// pad to multiple of 8 bytes
z := make([]byte, 8)
_, err = bb.Write(z[0 : 8-r])
errs.CheckE(err)
}
for {
var qw uint64
if err := binary.Read(&bb, binary.LittleEndian, &qw); err != nil {
if err == io.EOF {
break
}
errs.CheckE(err)
} else {
s.printfln("DMATOHOST_DATA %016x", qw)
}
}
s.printfln("DMATOHOST_TRAILER 00656e696c616b45")
return
}
func (m *IttoMessageSeconds) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) (err error) {
defer errs.PassE(&err)
errs.CheckE(m.IttoMessageCommon.SerializeTo(b, opts))
buf, err := b.AppendBytes(4)
errs.CheckE(err)
binary.BigEndian.PutUint32(buf, m.Second)
return
}
func decodeMach(data []byte, p gopacket.PacketBuilder) (err error) {
panic("FIXME")
defer errs.PassE(&err)
m := &Mach{}
errs.CheckE(m.DecodeFromBytes(data, p))
p.AddLayer(m)
return p.NextDecoder(m.NextLayerType())
}
func (p *packetWriter) WriteMessage(m Message) (err error) {
defer errs.PassE(&err)
m.getCommon().setHeader(m.Type())
errs.CheckE(binary.Write(&p.mb, binary.LittleEndian, m))
p.bh.Count++
errs.Check(p.bh.Count != 0)
return
}
func (c *conn) WriteMessageSimple(m SesMMessage) (err error) {
defer errs.PassE(&err)
var b bytes.Buffer
errs.CheckE(writeSesMHeader(&b, m))
errs.CheckE(binary.Write(&b, binary.LittleEndian, m))
_, err = c.rw.Write(b.Bytes())
return
}
func (m *IttoMessageBaseReference) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) (err error) {
defer errs.PassE(&err)
errs.CheckE(m.IttoMessageCommon.SerializeTo(b, opts))
buf, err := b.AppendBytes(8)
errs.CheckE(err)
binary.BigEndian.PutUint64(buf, m.BaseRefNum)
return
}
func (m *TomMessageSystemTime) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) (err error) {
defer errs.PassE(&err)
errs.CheckE(m.TomMessageCommon.SerializeTo(b, opts))
buf, err := b.AppendBytes(4)
errs.CheckE(err)
binary.LittleEndian.PutUint32(buf, m.Second)
return
}
func (m *MoldUDP64) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) (err error) {
defer errs.PassE(&err)
bytes, err := b.PrependBytes(20)
errs.CheckE(err)
copy(bytes[0:10], m.Session[0:10])
binary.BigEndian.PutUint64(bytes[10:18], m.SequenceNumber)
binary.BigEndian.PutUint16(bytes[18:20], m.MessageCount)
return
}
func (c *conn) readSize() (err error) {
defer errs.PassE(&err)
errs.Check(c.messageReader.N == 0, c.messageReader.N)
var s uint16
errs.CheckE(binary.Read(c.rw, binary.LittleEndian, &s))
log.Printf("rcv SesM size %d\n", s)
c.messageReader = io.LimitedReader{R: c.rw, N: int64(s)}
return
}
func (s *miaxMcastServer) start() (err error) {
defer errs.PassE(&err)
s.conn, err = net.DialUDP("udp", s.laddr, s.mcaddr)
errs.CheckE(err)
// mconn := miax.NewConn(s.conn)
s.mmsc = s.src.NewClient()
go s.run()
return
}
func (m *memh2pcap) addFile(filename string) (err error) {
log.Printf("adding %s\n", filename)
defer errs.PassE(&err)
in, err := os.Open(filename)
errs.CheckE(err)
errs.CheckE(m.addOne(in))
errs.CheckE(in.Close())
return
}
func (e *efhReplay) Run() (err error) {
defer errs.PassE(&err)
if e.EfhDump != "" {
e.testEfhDump = "test_efh.dump"
}
defaultTestEfh := "/usr/libexec/test_efh"
if e.Local {
defaultTestEfh = os.ExpandEnv("$HOME/efh-install/bin/test_efh")
e.testEfhArgs = append(e.testEfhArgs, "--load-fw", "/usr/share/efh/firmware/fw.bin")
}
if e.TestEfh == "" {
e.TestEfh = defaultTestEfh
}
errs.CheckE(e.startTestEfh())
errs.CheckE(e.startDumpReplay())
func() {
ticker := time.NewTicker(time.Second / 10)
defer ticker.Stop()
for {
select {
case <-e.testEfhDoneCh:
fmt.Println()
return
case <-e.replayDoneCh:
fmt.Printf("\rdone: 100%% \n")
time.Sleep(100 * time.Millisecond)
return
case <-ticker.C:
if done, ok := e.replay.Progress(); ok {
fmt.Printf("\rdone: %.1f%%", done*100)
}
}
}
}()
errs.CheckE(e.stopDumpReplay())
errs.CheckE(e.stopTestEfh())
if e.testEfhDump != "" {
var same bool
same, err = e.diffAppDump()
errs.CheckE(err)
if !same {
log.Printf("dumps differ")
err = DumpsDifferError
}
}
if e.RegConfig != nil {
errs.CheckE(e.RegConfig.Probe())
errs.CheckE(ioutil.WriteFile("registers", []byte(e.RegConfig.Report()), 0666))
if e.RegConfig.IsBad() {
log.Printf("register probe is bad")
if err == nil {
err = BadProbeError
}
}
}
return
}
func (s *Splitter) SplitByOption(oid packet.OptionId, fileName string) (err error) {
defer errs.PassE(&err)
outFile, err := os.Create(fileName)
errs.CheckE(err)
defer func() { errs.CheckE(outFile.Close()) }()
confs := make(map[packet.OptionId]SplitByOptionsConfig)
confs[oid] = SplitByOptionsConfig{Writer: outFile}
return s.SplitByOptions(confs)
}
func (c *config) LoadFromReader(rd io.Reader) (err error) {
defer errs.PassE(&err)
all, err := ioutil.ReadAll(rd)
errs.CheckE(err)
for _, str := range strings.Fields(string(all)) {
errs.CheckE(c.LoadFromStr(str))
}
return
}
func (s *spinServerConn) sendAll(start, end int) (err error) {
defer errs.PassE(&err)
log.Printf("spin send %d .. %d", start, end)
for i := start; i < end; i++ {
m := s.src.GetMessage(i)
errs.CheckE(s.bconn.WriteMessageSimple(m))
}
log.Printf("spin send %d .. %d done", start, end)
return
}
func (s *SesMServerConn) sendAll(start, end uint64) (err error) {
defer errs.PassE(&err)
log.Printf("sesm start retransm %d .. %d", start, end)
for i := start; i <= end; i++ {
m := s.src.GetMessage(i)
errs.CheckE(s.mconn.WriteMachPacket(m))
}
log.Printf("sesm retransm %d .. %d done", start, end)
return
}
func (p MachPacket) Write(w io.Writer) (err error) {
defer errs.PassE(&err)
var b bytes.Buffer
errs.CheckE(binary.Write(&b, binary.LittleEndian, p.h))
errs.CheckE(binary.Write(&b, binary.LittleEndian, p.m))
//errs.CheckE(binary.Write(&b, binary.LittleEndian, p.h))
//errs.CheckE(binary.Write(&b, binary.LittleEndian, p.m))
_, err = w.Write(b.Bytes())
errs.CheckE(err)
return
}
func (m *MoldUDP64MessageBlockChained) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) (err error) {
defer errs.PassE(&err)
payload := b.Bytes()
bytes, err := b.PrependBytes(2)
errs.CheckE(err)
if opts.FixLengths {
m.MessageLength = uint16(len(payload))
}
binary.BigEndian.PutUint16(bytes, uint16(m.MessageLength))
return
}
func NewHashedOut(baseName string) (o *hashedOut, err error) {
defer errs.PassE(&err)
o = &hashedOut{}
o.file, err = os.Create(baseName)
errs.CheckE(err)
o.md5file, err = os.Create(baseName + ".md5sum")
errs.CheckE(err)
o.md5sum = md5.New()
o.mw = io.MultiWriter(o.file, o.md5sum)
return
}