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* /control/version.json: retry up to 3 times after DNS resolve of static.adguard.com has failed

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This commit is contained in:
Simon Zolin 2019-08-26 16:02:56 +03:00
parent c7b5b00d14
commit 815489c0ff
1 changed files with 10 additions and 2 deletions
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12
home/control_update.go
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@ -85,8 +85,16 @@ func handleGetVersionJSON(w http.ResponseWriter, r *http.Request) {
}
}
log.Tracef("Downloading data from %s", versionCheckURL)
resp, err := config.client.Get(versionCheckURL)
var resp *http.Response
for i := 0; i != 3; i++ {
log.Tracef("Downloading data from %s", versionCheckURL)
resp, err = config.client.Get(versionCheckURL)
if err != nil && strings.HasSuffix(err.Error(), "i/o timeout") {
// This case may happen while we're restarting DNS server
continue
}
break
}
if err != nil {
httpError(w, http.StatusBadGateway, "Couldn't get version check json from %s: %T %s\n", versionCheckURL, err, err)
return