Add examples https://github.com/hashicorp/mdns/pull/42
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README.md
61
README.md
@ -11,27 +11,54 @@ environments.
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Using the library is very simple, here is an example of publishing a service entry:
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Using the library is very simple, here is an example of publishing a service entry:
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// Setup our service export
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```
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host, _ := os.Hostname()
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package main
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info := []string{"My awesome service"},
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service, _ := NewMDNSService(host, "_foobar._tcp", "", "", 8000, nil, info)
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// Create the mDNS server, defer shutdown
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import (
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server, _ := mdns.NewServer(&mdns.Config{Zone: service})
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"github.com/micro/mdns"
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defer server.Shutdown()
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"os"
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)
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func main() {
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// Setup our service export
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host, _ := os.Hostname()
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info := []string{"My awesome service"}
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service, _ := mdns.NewMDNSService(host, "_foobar._tcp", "", "", 8000, nil, info)
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// Create the mDNS server, defer shutdown
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server, _ := mdns.NewServer(&mdns.Config{Zone: service})
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defer server.Shutdown()
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}
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```
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Doing a lookup for service providers is also very simple:
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Doing a lookup for service providers is also very simple:
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// Make a channel for results and start listening
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```
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entriesCh := make(chan *mdns.ServiceEntry, 4)
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package main
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go func() {
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for entry := range entriesCh {
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fmt.Printf("Got new entry: %v\n", entry)
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}
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}()
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// Start the lookup
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import (
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mdns.Lookup("_foobar._tcp", entriesCh)
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"fmt"
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close(entriesCh)
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"github.com/cryptix/mdns"
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)
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func main() {
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// Make a channel for results and start listening
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entriesCh := make(chan *mdns.ServiceEntry, 8)
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go func() {
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for entry := range entriesCh {
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fmt.Printf("Got new entry: %v\n", entry)
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}
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}()
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// Start the lookup
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err := mdns.Lookup("_foobar._tcp", entriesCh)
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if err != nil {
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fmt.Println(err)
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}
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close(entriesCh)
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}
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```
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1
examples/client/.gitignore
vendored
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1
examples/client/.gitignore
vendored
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@ -0,0 +1 @@
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client
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17
examples/client/README.md
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17
examples/client/README.md
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@ -0,0 +1,17 @@
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# client
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[Run the service first](../service)
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Then, compile + run:
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```
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go build
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./client
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```
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Check out other services:
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```
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./client <service-tag>
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./client _foobarbaz._tcp
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```
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41
examples/client/main.go
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41
examples/client/main.go
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package main
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import (
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"fmt"
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"os"
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"os/signal"
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"github.com/micro/mdns"
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)
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func main() {
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serviceTag := "_foobar._tcp"
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if len(os.Args) > 1 {
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serviceTag = os.Args[1]
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}
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// Make a channel for results and start listening
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entriesCh := make(chan *mdns.ServiceEntry, 8)
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defer close(entriesCh)
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go func() {
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for entry := range entriesCh {
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fmt.Printf("Got new entry: %v\n", entry)
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}
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}()
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// Start the lookups
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err := mdns.Lookup(serviceTag, entriesCh)
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if err != nil {
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fmt.Println(err)
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}
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wait()
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}
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func wait() {
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ch := make(chan os.Signal)
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signal.Notify(ch, os.Interrupt, os.Kill)
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<-ch
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}
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1
examples/service/.gitignore
vendored
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1
examples/service/.gitignore
vendored
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@ -0,0 +1 @@
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service
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18
examples/service/README.md
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18
examples/service/README.md
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@ -0,0 +1,18 @@
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# service
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Compile + run:
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```
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go build
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./service
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```
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[The, run the client](../service)
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Use another service tag
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```
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./service <service-tag>
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./service _foobarbaz._tcp
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```
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45
examples/service/main.go
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45
examples/service/main.go
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@ -0,0 +1,45 @@
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package main
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import (
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"log"
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"os"
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"os/signal"
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"github.com/micro/mdns"
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)
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func main() {
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serviceTag := "_foobar._tcp"
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if len(os.Args) > 1 {
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serviceTag = os.Args[1]
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}
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// Setup our service export
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host, err := os.Hostname()
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if err != nil {
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log.Fatal(err)
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}
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info := []string{"My awesome service"}
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service, err := mdns.NewMDNSService(host, serviceTag, "", "", 8000, nil, info)
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if err != nil {
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log.Fatal(err)
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}
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// Create the mDNS server, defer shutdown
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server, err := mdns.NewServer(&mdns.Config{Zone: service})
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if err != nil {
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log.Fatal(err)
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}
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defer server.Shutdown()
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wait()
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}
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func wait() {
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ch := make(chan os.Signal)
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signal.Notify(ch, os.Interrupt, os.Kill)
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<-ch
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}
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