func main() {
flag.Parse()
// make a go channel for
stream := make(chan []byte, 200)
done := make(chan bool)
// set the logger and log level
httpstream.SetLogger(log.New(os.Stdout, "", log.Ltime|log.Lshortfile), *logLevel)
// the stream listener effectively operates in one "thread"
client := httpstream.NewBasicAuthClient("", "", func(line []byte) {
//println(string(line))
stream <- line
})
client.MaxWait = 20
err := client.Connect(customUrl, nil, done)
if err != nil {
println(err.Error())
} else {
go func() {
for line := range stream {
println(string(line))
}
}()
_ = <-done
}
}
func main() {
flag.Parse()
// set the logger and log level
httpstream.SetLogger(log.New(os.Stdout, "", log.Ldate|log.Ltime|log.Lshortfile), *logLevel)
stream := make(chan []byte)
done := make(chan bool)
client := httpstream.NewBasicAuthClient(*user, *pwd, func(line []byte) {
stream <- line
})
//err := client.Track([]string{"bieber,iphone,mac,android,ios,lady gaga,dancing,sick,game,when,why,where,how,who"}, stream)
// this opens a go routine that is effectively thread 1
err := client.Sample(done)
if err != nil {
println(err.Error())
}
// 2nd thread
go func() {
for {
line := <-stream
println()
HandleLine(1, line)
}
}()
// 3rd thread
for {
line := <-stream
HandleLine(2, line)
}
}
func main() {
flag.Parse()
httpstream.SetLogger(log.New(os.Stdout, "", log.Ltime|log.Lshortfile), *logLevel)
stream := make(chan []byte, 1000)
done := make(chan bool)
client := httpstream.NewBasicAuthClient(*user, *pwd, httpstream.OnlyTweetsFilter(func(line []byte) {
stream <- line
}))
keywords := strings.Split("android,golang,zeromq,javascript", ",")
err := client.Filter([]int64{14230524, 783214}, keywords, []string{"en"}, false, done)
if err != nil {
httpstream.Log(httpstream.ERROR, err.Error())
} else {
go func() {
ct := 0
for tw := range stream {
println(string(tw))
ct++
if ct > 10 {
done <- true
}
}
}()
_ = <-done
}
}
// Connect to twitter streaming api and send lines to be written.
func writeTweetStream(w io.Writer) {
httpstream.SetLogger(log.New(os.Stdout, "", log.Ldate|log.Ltime|log.Lshortfile), "info")
stream := make(chan []byte, 1000)
done := make(chan bool)
client := httpstream.NewBasicAuthClient(vafanConf.twitter.user, vafanConf.twitter.password, func(line []byte) {
stream <- line
})
err := client.Filter([]int64{twSaulHowardID, twConvictFilmsID}, []string{"brightonwok", "brighton wok", "convictfilms", "convict films"}, false, done)
// this opens a go routine that is effectively thread 1
// err := client.Sample(done)
if err != nil {
println(err.Error())
}
// 2nd thread
go func() {
for {
line := <-stream
writeTweet(w, line)
}
}()
// 3rd thread
for {
line := <-stream
writeTweet(w, line)
}
}
func fetchTwitter() {
httpstream.SetLogger(log.New(os.Stdout, "", log.Ldate|log.Ltime|log.Lshortfile), *logLevel)
stream := make(chan []byte, 1000)
done := make(chan bool)
client := httpstream.NewBasicAuthClient(*user, *pwd, httpstream.OnlyTweetsFilter(func(line []byte) {
stream <- line
}))
err := client.Sample(done)
if err != nil {
httpstream.Log(httpstream.ERROR, err.Error())
} else {
go func() {
ct := 0
for tw := range stream {
println(string(tw))
// heavy lifting
ct++
if ct > 1 {
done <- true
}
}
}()
_ = <-done
}
}
func main() {
flag.Parse()
httpstream.SetLogger(log.New(os.Stdout, "", log.Ldate|log.Ltime|log.Lshortfile), *logLevel)
ct := 0
// make a go channel for sending from listener to processor
// we buffer it, to help ensure we aren't backing up twitter or else they cut us off
stream := make(chan []byte,1000)
done := make(chan bool)
// the stream listener effectively operates in one "thread"/goroutine
// as the httpstream Client processes inside a go routine it opens
// That includes the handler func we pass in here
client := httpstream.NewBasicAuthClient(*user, *pwd, func(line []byte) {
stream <- line
// although you can do heavy lifting here, it means you are doing all
// your work in the same thread as the http streaming/listener
// by using a go channel, you can send the work to a
// different thread/goroutine
})
//err := client.Track([]string{"eat,iphone,mac,android,ios,burger"}, stream)
err := client.Sample(done)
if err != nil {
httpstream.Log(ERROR, (err.Error())
} else {
go func() {
// while this could be in a different "thread(s)"
for tw := range stream {
println(string(tw))
// heavy lifting
ct ++
if ct > 10 {
os.Exit(0)
}
}
}()
_ = <- done
}
}
func runTwitterStream() {
// stream Twitter
stream := make(chan []byte)
client := httpstream.NewBasicAuthClient(username, password, func(line []byte) {
stream <- line
})
tracks := strings.Split(*track, ",")
err := client.Track(tracks)
if err != nil {
println(err.Error())
}
fmt.Fprintf(os.Stderr, "track = %v\n", *track)
// process the tweets
for {
tw := <-stream
if !*printOnly {
process(string(tw))
} else {
fmt.Println(string(tw))
}
}
}
func main() {
flag.Parse()
if len(*twitterUsername) == 0 || len(*twitterPassword) == 0 || len(*streamSpigotHostname) == 0 || len(*streamSpigotSecret) == 0 {
flag.Usage()
return
}
baseUrl := fmt.Sprintf("http://%s/bird-feeder/pinger/", *streamSpigotHostname)
followingUrl := fmt.Sprintf("%sfollowing?secret=%s", baseUrl, url.QueryEscape(*streamSpigotSecret))
pingUrl := baseUrl + "ping"
var followingUserIds []int64
var followingUserIdMap map[int64]bool
stream := make(chan []byte)
done := make(chan bool)
updateFollowingListTick := time.Tick(followingListUpdateIntervalNanosec)
client := httpstream.NewBasicAuthClient(*twitterUsername, *twitterPassword, func(line []byte) {
stream <- line
})
updateFollowingList := func() {
followingUserIds, followingUserIdMap = getFollowingList(followingUrl)
fmt.Printf("Tracking updates for %d users...\n", len(followingUserIds))
client.Close()
err := client.Filter(followingUserIds, nil, false, done)
if err != nil {
fmt.Println(err)
}
}
updateFollowingList()
for {
select {
case <-updateFollowingListTick:
updateFollowingList()
case <-done:
fmt.Printf("Client says it's done")
case line := <-stream:
switch {
case bytes.HasPrefix(line, []byte(`{"event":`)):
var event httpstream.Event
json.Unmarshal(line, &event)
case bytes.HasPrefix(line, []byte(`{"friends":`)):
var friends httpstream.FriendList
json.Unmarshal(line, &friends)
default:
tweet := httpstream.Tweet{}
json.Unmarshal(line, &tweet)
if tweet.User != nil && tweet.User.Id != nil {
fmt.Printf("%s: %s\n", tweet.User.ScreenName, tweet.Text)
userId := int64(*tweet.User.Id)
// We ignore tweets that come from users that we're not following (the
// Streaming API will also notify when tweets of theirs are retweeted or
// replied to).
if _, inMap := followingUserIdMap[userId]; inMap {
// Similarly, we ignore tweets that are in reply to users that aren't
// being followed. This will have false negatives: if user A follows X
// and user B follows X and Z, a reply by X to Z will cause both A and
// B's streams to get pinged, even though A won't actually see that
// status. However, that should be rare.
if tweet.In_reply_to_user_id != nil {
if in_reply_to_user_id := int64(*tweet.In_reply_to_user_id); in_reply_to_user_id != 0 {
if _, inMap := followingUserIdMap[in_reply_to_user_id]; !inMap {
continue
}
}
}
go pingUser(userId, int64(*tweet.Id), pingUrl)
}
} else {
fmt.Printf("No tweet?")
}
}
}
}
}