func (input *NsqInput) Run(runner pipeline.InputRunner,
helper pipeline.PluginHelper) (err error) {
var (
dRunner pipeline.DecoderRunner
ok bool
)
if input.DecoderName != "" {
if dRunner, ok = helper.DecoderRunner(input.DecoderName,
fmt.Sprintf("%s-%s", runner.Name(), input.DecoderName)); !ok {
return fmt.Errorf("Decoder not found: %s", input.DecoderName)
}
input.decoderChan = dRunner.InChan()
}
input.runner = runner
input.packSupply = runner.InChan()
input.consumer.AddHandler(input)
err = input.consumer.ConnectToNSQDs(input.NsqdAddrs)
if err != nil {
return err
}
err = input.consumer.ConnectToNSQLookupds(input.LookupdAddrs)
if err != nil {
return err
}
<-input.consumer.StoppedChan()
return nil
}
func (rpsi *RedisPubSubInput) Run(ir pipeline.InputRunner, h pipeline.PluginHelper) error {
var (
dRunner pipeline.DecoderRunner
decoder pipeline.Decoder
pack *pipeline.PipelinePack
e error
ok bool
)
// Get the InputRunner's chan to receive empty PipelinePacks
packSupply := ir.InChan()
if rpsi.conf.DecoderName != "" {
if dRunner, ok = h.DecoderRunner(rpsi.conf.DecoderName, fmt.Sprintf("%s-%s", ir.Name(), rpsi.conf.DecoderName)); !ok {
return fmt.Errorf("Decoder not found: %s", rpsi.conf.DecoderName)
}
decoder = dRunner.Decoder()
}
//Connect to the channel
psc := redis.PubSubConn{Conn: rpsi.conn}
psc.PSubscribe(rpsi.conf.Channel)
for {
switch n := psc.Receive().(type) {
case redis.PMessage:
// Grab an empty PipelinePack from the InputRunner
pack = <-packSupply
pack.Message.SetType("redis_pub_sub")
pack.Message.SetLogger(n.Channel)
pack.Message.SetPayload(string(n.Data))
pack.Message.SetTimestamp(time.Now().UnixNano())
var packs []*pipeline.PipelinePack
if decoder == nil {
packs = []*pipeline.PipelinePack{pack}
} else {
packs, e = decoder.Decode(pack)
}
if packs != nil {
for _, p := range packs {
ir.Inject(p)
}
} else {
if e != nil {
ir.LogError(fmt.Errorf("Couldn't parse Redis message: %s", n.Data))
}
pack.Recycle(nil)
}
case redis.Subscription:
ir.LogMessage(fmt.Sprintf("Subscription: %s %s %d\n", n.Kind, n.Channel, n.Count))
if n.Count == 0 {
return errors.New("No channel to subscribe")
}
case error:
fmt.Printf("error: %v\n", n)
return n
}
}
return nil
}
func (lsi *LogstreamInput) Run(ir p.InputRunner, h p.PluginHelper, stopChan chan chan bool,
dRunner p.DecoderRunner) {
var (
parser func(ir p.InputRunner, deliver Deliver, stop chan chan bool) error
err error
)
if lsi.parseFunction == "payload" {
parser = lsi.payloadParser
} else if lsi.parseFunction == "messageProto" {
parser = lsi.messageProtoParser
}
// Setup our pack delivery function appropriately for the configuration
deliver := func(pack *p.PipelinePack) {
if dRunner == nil {
ir.Inject(pack)
} else {
dRunner.InChan() <- pack
}
}
// Check for more data interval
interval, _ := time.ParseDuration("250ms")
tick := time.Tick(interval)
ok := true
for ok {
// Clear our error
err = nil
// Attempt to read as many as we can
err = parser(ir, deliver, stopChan)
// Save our location after reading as much as we can
lsi.stream.SavePosition()
lsi.recordCount = 0
if err != nil && err != io.EOF {
ir.LogError(err)
}
// Did our parser func get stopped?
if lsi.stopped != nil {
ok = false
continue
}
// Wait for our next interval, stop if needed
select {
case lsi.stopped = <-stopChan:
ok = false
case <-tick:
continue
}
}
close(lsi.stopped)
}
func (input *FilePollingInput) Run(runner pipeline.InputRunner,
helper pipeline.PluginHelper) error {
var (
data []byte
pack *pipeline.PipelinePack
dRunner pipeline.DecoderRunner
ok bool
err error
)
if input.DecoderName != "" {
if dRunner, ok = helper.DecoderRunner(input.DecoderName,
fmt.Sprintf("%s-%s", runner.Name(), input.DecoderName)); !ok {
return fmt.Errorf("Decoder not found: %s", input.DecoderName)
}
input.decoderChan = dRunner.InChan()
}
input.runner = runner
hostname := helper.PipelineConfig().Hostname()
packSupply := runner.InChan()
tickChan := runner.Ticker()
for {
select {
case <-input.stop:
return nil
case <-tickChan:
}
data, err = ioutil.ReadFile(input.FilePath)
if err != nil {
runner.LogError(fmt.Errorf("Error reading file: %s", err))
continue
}
pack = <-packSupply
pack.Message.SetUuid(uuid.NewRandom())
pack.Message.SetTimestamp(time.Now().UnixNano())
pack.Message.SetType("heka.file.polling")
pack.Message.SetHostname(hostname)
pack.Message.SetPayload(string(data))
if field, err := message.NewField("TickerInterval", int(input.TickerInterval), ""); err != nil {
runner.LogError(err)
} else {
pack.Message.AddField(field)
}
if field, err := message.NewField("FilePath", input.FilePath, ""); err != nil {
runner.LogError(err)
} else {
pack.Message.AddField(field)
}
input.sendPack(pack)
}
return nil
}
func (rli *RedisInput) Run(ir pipeline.InputRunner, h pipeline.PluginHelper) error {
fmt.Println("Addr", rli.conf.Address)
fmt.Println("key", rli.conf.Key)
fmt.Println("batch_count:", rli.conf.Batch_count)
fmt.Println("decoder:", rli.conf.Decoder)
var (
dRunner pipeline.DecoderRunner
decoder pipeline.Decoder
ok bool
e error
reply interface{}
vals []string
msg string
)
if rli.conf.Decoder != "" {
if dRunner, ok = h.DecoderRunner(rli.conf.Decoder, fmt.Sprintf("%s-%s", ir.Name(), rli.conf.Decoder)); !ok {
return fmt.Errorf("Decoder not found: %s", rli.conf.Decoder)
}
decoder = dRunner.Decoder()
}
for {
reply, e = rli.conn.Do("BLPOP", rli.conf.Key, "0")
if e == nil {
vals, e = redis.Strings(reply, nil)
msg = vals[1]
if e == nil {
rli.InsertMessage(ir, decoder, msg)
}
}
reply, e = rli.batchlpop.Do(rli.conn, rli.conf.Key, rli.conf.Batch_count)
if e == nil {
vals, e = redis.Strings(reply, nil)
if e == nil {
for _, msg = range vals {
rli.InsertMessage(ir, decoder, msg)
}
} else {
fmt.Printf("err: %v\n", e)
}
} else {
fmt.Printf("type: %T, error: %v\n", reply, e)
return e
}
}
return nil
}
func (s *SandboxDecoder) SetDecoderRunner(dr pipeline.DecoderRunner) {
if s.sb != nil {
return // no-op already initialized
}
s.dRunner = dr
var original *message.Message
switch s.sbc.ScriptType {
case "lua":
s.sb, s.err = lua.CreateLuaSandbox(s.sbc)
default:
s.err = fmt.Errorf("unsupported script type: %s", s.sbc.ScriptType)
}
if s.err == nil {
s.preservationFile = filepath.Join(s.pConfig.Globals.PrependBaseDir(DATA_DIR),
dr.Name()+DATA_EXT)
if s.sbc.PreserveData && fileExists(s.preservationFile) {
s.err = s.sb.Init(s.preservationFile, "decoder")
} else {
s.err = s.sb.Init("", "decoder")
}
}
if s.err != nil {
dr.LogError(s.err)
if s.sb != nil {
s.sb.Destroy("")
s.sb = nil
}
s.pConfig.Globals.ShutDown()
return
}
s.sb.InjectMessage(func(payload, payload_type, payload_name string) int {
if s.pack == nil {
s.pack = dr.NewPack()
if original == nil && len(s.packs) > 0 {
original = s.packs[0].Message // payload injections have the original header data in the first pack
}
} else {
original = nil // processing a new message, clear the old message
}
if len(payload_type) == 0 { // heka protobuf message
if original == nil {
original = new(message.Message)
copyMessageHeaders(original, s.pack.Message) // save off the header values since unmarshal will wipe them out
}
if nil != proto.Unmarshal([]byte(payload), s.pack.Message) {
return 1
}
if s.tz != time.UTC {
const layout = "2006-01-02T15:04:05.999999999" // remove the incorrect UTC tz info
t := time.Unix(0, s.pack.Message.GetTimestamp())
t = t.In(time.UTC)
ct, _ := time.ParseInLocation(layout, t.Format(layout), s.tz)
s.pack.Message.SetTimestamp(ct.UnixNano())
}
} else {
s.pack.Message.SetPayload(payload)
ptype, _ := message.NewField("payload_type", payload_type, "file-extension")
s.pack.Message.AddField(ptype)
pname, _ := message.NewField("payload_name", payload_name, "")
s.pack.Message.AddField(pname)
}
if original != nil {
// if future injections fail to set the standard headers, use the values
// from the original message.
if s.pack.Message.Uuid == nil {
s.pack.Message.SetUuid(original.GetUuid())
}
if s.pack.Message.Timestamp == nil {
s.pack.Message.SetTimestamp(original.GetTimestamp())
}
if s.pack.Message.Type == nil {
s.pack.Message.SetType(original.GetType())
}
if s.pack.Message.Hostname == nil {
s.pack.Message.SetHostname(original.GetHostname())
}
if s.pack.Message.Logger == nil {
s.pack.Message.SetLogger(original.GetLogger())
}
if s.pack.Message.Severity == nil {
s.pack.Message.SetSeverity(original.GetSeverity())
}
if s.pack.Message.Pid == nil {
s.pack.Message.SetPid(original.GetPid())
}
}
s.packs = append(s.packs, s.pack)
s.pack = nil
return 0
})
}
func (ni *NsqInput) Run(ir pipeline.InputRunner, h pipeline.PluginHelper) error {
// Get the InputRunner's chan to receive empty PipelinePacks
var pack *pipeline.PipelinePack
var err error
var dRunner pipeline.DecoderRunner
var decoder pipeline.Decoder
var ok bool
var e error
//pos := 0
//output := make([]*Message, 2)
packSupply := ir.InChan()
if ni.conf.Decoder != "" {
if dRunner, ok = h.DecoderRunner(ni.conf.Decoder); !ok {
return fmt.Errorf("Decoder not found: %s", ni.conf.Decoder)
}
decoder = dRunner.Decoder()
}
err = ni.nsqReader.ConnectToLookupd(ni.conf.Address)
if err != nil {
ir.LogError(errors.New("ConnectToLookupd failed."))
}
header := &message.Header{}
stopped := false
//readLoop:
for !stopped {
//stopped = true
select {
case <-ni.stopChan:
ir.LogError(errors.New("get ni.stopChan, set stopped=true"))
stopped = true
default:
pack = <-packSupply
m, ok1 := <-ni.handler.logChan
if !ok1 {
stopped = true
break
}
if ni.conf.Serialize {
if dRunner == nil {
pack.Recycle()
ir.LogError(errors.New("Serialize messages require a decoder."))
}
//header := &message.Header{}
_, msgOk := findMessage(m.msg.Body, header, &(pack.MsgBytes))
if msgOk {
dRunner.InChan() <- pack
} else {
pack.Recycle()
ir.LogError(errors.New("Can't find Heka message."))
}
header.Reset()
} else {
//ir.LogError(fmt.Errorf("message body: %s", m.msg.Body))
pack.Message.SetType("nsq")
pack.Message.SetPayload(string(m.msg.Body))
pack.Message.SetTimestamp(time.Now().UnixNano())
var packs []*pipeline.PipelinePack
if decoder == nil {
packs = []*pipeline.PipelinePack{pack}
} else {
packs, e = decoder.Decode(pack)
}
if packs != nil {
for _, p := range packs {
ir.Inject(p)
}
} else {
if e != nil {
ir.LogError(fmt.Errorf("Couldn't parse Nsq message: %s", m.msg.Body))
}
pack.Recycle()
}
}
m.returnChannel <- &nsq.FinishedMessage{m.msg.Id, 0, true}
/*
output[pos] = m
pos++
if pos == 2 {
for pos > 0 {
pos--
m1 := output[pos]
m1.returnChannel <- &nsq.FinishedMessage{m1.msg.Id, 0, true}
output[pos] = nil
}
}
*/
}
}
return nil
}
