Make ping timeout configurable (fixes #1751)

internal/config/config.go

@@ -237,6 +237,8 @@ type OptionsConfiguration struct {
 	SymlinksEnabled         bool     `xml:"symlinksEnabled" json:"symlinksEnabled" default:"true"`
 	LimitBandwidthInLan     bool     `xml:"limitBandwidthInLan" json:"limitBandwidthInLan" default:"false"`
 	DatabaseBlockCacheMiB   int      `xml:"databaseBlockCacheMiB" json:"databaseBlockCacheMiB" default:"0"`
+	PingTimeoutS            int      `xml:"pingTimeoutS" json:"pingTimeoutS" default:"30"`
+	PingIdleTimeS           int      `xml:"pingIdleTimeS" json:"pingIdleTimeS" default:"60"`
 }
 
 func (orig OptionsConfiguration) Copy() OptionsConfiguration {

internal/config/config_test.go

@@ -53,6 +53,8 @@ func TestDefaultValues(t *testing.T) {
 		SymlinksEnabled:         true,
 		LimitBandwidthInLan:     false,
 		DatabaseBlockCacheMiB:   0,
+		PingTimeoutS:            30,
+		PingIdleTimeS:           60,
 	}
 
 	cfg := New(device1)
@@ -160,6 +162,8 @@ func TestOverriddenValues(t *testing.T) {
 		SymlinksEnabled:         false,
 		LimitBandwidthInLan:     true,
 		DatabaseBlockCacheMiB:   42,
+		PingTimeoutS:            60,
+		PingIdleTimeS:           120,
 	}
 
 	cfg, err := Load("testdata/overridenvalues.xml", device1)

internal/config/testdata/overridenvalues.xml

@@ -24,5 +24,7 @@
         <symlinksEnabled>false</symlinksEnabled>
         <limitBandwidthInLan>true</limitBandwidthInLan>
         <databaseBlockCacheMiB>42</databaseBlockCacheMiB>
+        <pingTimeoutS>60</pingTimeoutS>
+        <pingIdleTimeS>120</pingIdleTimeS>
     </options>
 </configuration>