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Don't crash on nil discoverer (fixes #917)

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This commit is contained in:
Jakob Borg 2014-10-28 20:40:04 +01:00
parent 048883ad27
commit 6820c0a5d7
1 changed files with 8 additions and 6 deletions
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14
cmd/syncthing/gui.go
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@ -453,13 +453,15 @@ func restPostDiscoveryHint(w http.ResponseWriter, r *http.Request) {
func restGetDiscovery(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
registry := discoverer.All()
devices := map[string][]discover.CacheEntry{}
// Device ids can't be marshalled as keys so we need to manually
// rebuild this map using strings.
devices := make(map[string][]discover.CacheEntry, len(registry))
for device, _ := range registry {
devices[device.String()] = registry[device]
if discoverer != nil {
// Device ids can't be marshalled as keys so we need to manually
// rebuild this map using strings. Discoverer may be nil if discovery
// has not started yet.
for device, entries := range discoverer.All() {
devices[device.String()] = entries
}
}
json.NewEncoder(w).Encode(devices)