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segmento
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Start on S3 side

This commit is contained in:
Rob Watson 2020-07-10 10:35:03 +02:00
parent 49693d8e16
commit 715ead5241
5 changed files with 56 additions and 12 deletions
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1
go.mod
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@ -3,6 +3,7 @@ module segmento
go 1.14
require (
github.com/aws/aws-sdk-go v1.33.4
github.com/stretchr/testify v1.6.1
github.com/tcolgate/mp3 v0.0.0-20170426193717-e79c5a46d300
)

12
go.sum
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@ -1,14 +1,26 @@
github.com/aws/aws-sdk-go v1.33.4 h1:lhVZe2TkSjJz26jPBCBAvJvAy70Yxxlbm/Ciw1gmyRY=
github.com/aws/aws-sdk-go v1.33.4/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
github.com/jmespath/go-jmespath v0.3.0 h1:OS12ieG61fsCg5+qLJ+SsW9NicxNkg3b25OyT2yCeUc=
github.com/jmespath/go-jmespath v0.3.0/go.mod h1:9QtRXoHjLGCJ5IBSaohpXITPlowMeeYCZ7fLUTSywik=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/tcolgate/mp3 v0.0.0-20170426193717-e79c5a46d300 h1:XQdibLKagjdevRB6vAjVY4qbSr8rQ610YzTkWcxzxSI=
github.com/tcolgate/mp3 v0.0.0-20170426193717-e79c5a46d300/go.mod h1:FNa/dfN95vAYCNFrIKRrlRo+MBLbwmR9Asa5f2ljmBI=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

15
main.go
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@ -2,24 +2,14 @@ package main
import (
"flag"
"fmt"
"log"
"net/http"
"os"
"segmento/pkg/media"
"segmento/pkg/playlist"
"segmento/pkg/s3"
)
type consumer struct{}
func (c *consumer) PlaylistSegmentAdded(p playlist.Playlist, s *playlist.PlaylistSegment) {
fmt.Println("in PlaylistSegmentAdded")
}
func (c *consumer) PlaylistUpdated(p playlist.Playlist) {
fmt.Println("in PlaylistUpdated")
}
func main() {
// TODO accept some flags with:
// URL - source of stream
@ -51,7 +41,8 @@ func main() {
segmenter := media.NewMP3Segmenter()
publisher := &media.FakePublisher{}
playlist := playlist.NewMediaPlaylist(resp.Body, segmenter, publisher)
playlist.AddConsumer(&consumer{})
playlist.AddConsumer(&s3.Consumer{})
if err = playlist.Run(); err != nil {
log.Fatal(err)
}

3
pkg/playlist/playlist.go
View File

@ -41,6 +41,9 @@ type MediaPlaylist struct {
consumers map[Consumer]bool
}
// TODO does it make sense to do 50% dependency injection and 50% consumers here?
// Why not just pass everything through the consumer?
// Or how about define these methods on the interface and force implementations to provide them?
func NewMediaPlaylist(src io.Reader, segmenter media.Segmenter, publisher media.SegmentPublisher) *MediaPlaylist {
p := MediaPlaylist{
src: src,

37
pkg/s3/s3.go Normal file
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@ -0,0 +1,37 @@
package s3
import (
"fmt"
"log"
"segmento/pkg/playlist"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
)
const DefaultAwsRegion = "eu-west-1"
func init() {
sess, err := session.NewSession(&aws.Config{Region: aws.String(DefaultAwsRegion)})
if err != nil {
log.Fatal(err)
}
}
type Consumer struct {
S3Bucket string
S3PathPrefix string
}
func NewConsumer(bucket string, pathPrefix string) *Consumer {
c := Consumer{bucket, pathPrefix}
return &c
}
func (c *Consumer) PlaylistUpdated(p playlist.Playlist) {
fmt.Println("s3: PlaylistUpdated")
}
func (c *Consumer) PlaylistSegmentAdded(p playlist.Playlist, s *playlist.PlaylistSegment) {
fmt.Println("s3: PlaylistSegmentAdded")
}