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package main
import (
"bytes"
"fmt"
"riedstra.dev/go/checkup"
)
type httpCheck struct {
URL string
Code int
}
func httpStatusWorker(jobs <-chan httpCheck, msg chan<- *string) {
for hc := range jobs {
err := checkup.HttpStatusOK(hc.URL, hc.Code)
if err != nil {
s := fmt.Sprintf("Checking: %s, %v\n",
hc.URL, err)
msg <- &s
continue
}
msg <- nil
}
}
func checkStatus(conf *Config) {
buf := &bytes.Buffer{}
hc := make(chan httpCheck)
msgs := make(chan *string)
for i := 1; i <= conf.Workers; i++ {
go httpStatusWorker(hc, msgs)
}
go func() {
for url, code := range conf.StatusChecks {
if code == nil {
code = &conf.ExpectedStatusCode
}
hc <- httpCheck{url, *code}
}
close(hc)
}()
for i := 0; i < len(conf.StatusChecks); i++ {
m := <-msgs
if m != nil {
buf.Write([]byte(*m))
}
}
notify(conf, buf.Bytes())
}
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