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Add notes for the new lead maintainer of the open-source iris project and align with @get-ion/ion by @hiveminded
Former-commit-id: da4f38eb9034daa49446df3ee529423b98f9b331
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52
_examples/http_responsewriter/stream-writer/main.go
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52
_examples/http_responsewriter/stream-writer/main.go
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package main
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import (
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"fmt" // just an optional helper
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"io"
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"time" // showcase the delay
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"github.com/kataras/iris"
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"github.com/kataras/iris/context"
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)
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func main() {
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app := iris.New()
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timeWaitForCloseStream := 4 * time.Second
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app.Get("/", func(ctx context.Context) {
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i := 0
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// goroutine in order to no block and just wait,
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// goroutine is OPTIONAL and not a very good option but it depends on the needs
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// Look the streaming_simple_2 for an alternative code style
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// Send the response in chunks and wait for a second between each chunk.
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go ctx.StreamWriter(func(w io.Writer) bool {
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i++
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fmt.Fprintf(w, "this is a message number %d\n", i) // write
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time.Sleep(time.Second) // imaginary delay
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if i == 4 {
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return false // close and flush
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}
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return true // continue write
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})
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// when this handler finished the client should be see the stream writer's contents
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// simulate a job here...
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time.Sleep(timeWaitForCloseStream)
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})
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app.Get("/alternative", func(ctx context.Context) {
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// Send the response in chunks and wait for a second between each chunk.
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ctx.StreamWriter(func(w io.Writer) bool {
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for i := 1; i <= 4; i++ {
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fmt.Fprintf(w, "this is a message number %d\n", i) // write
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time.Sleep(time.Second)
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}
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// when this handler finished the client should be see the stream writer's contents
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return false // stop and flush the contents
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})
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})
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app.Run(iris.Addr(":8080"))
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}
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