Add shelly configuration parsing

This allows to specify Shelly cover devices to be added to the
configuration file with all information required by the Sia server.

2 files changed, 36 insertions, 0 deletions

diff --git a/config.go b/config.go
index b3cd9dc..a294b6c 100644
--- a/config.go
+++ b/config.go
@@ -45,9 +45,17 @@ type HomematicConfig struct {
 	PollingPeriod string `json:"polling-period"`
 }
 
+type ShellyConfig struct {
+	ID string `json:"id"`
+	IP string `json:"ip"`
+}
+
+type ShellyConfigs []ShellyConfig
+
 type StartupConfig struct {
 	MQTT      MQTTConfig      `json:"mqtt"`
 	Homematic HomematicConfig `json:"homematic"`
+	Shelly    ShellyConfigs   `json:"shelly"`
 }
 
 func (sc StartupConfig) String() string {
@@ -117,6 +125,13 @@ func (sc StartupConfig) Validate() error {
 		return fmt.Errorf("homematic/polling-period configuration '%s' could not be parsed to duration: %v", sc.Homematic.PollingPeriod, err)
 	}
 
+	for _, shelly := range sc.Shelly {
+		ip := net.ParseIP(shelly.IP)
+		if ip == nil {
+			return fmt.Errorf("Failed to parse IP address '%s'.", shelly.IP)
+		}
+	}
+
 	return nil
 }
 
diff --git a/configs/valid/shelly.json b/configs/valid/shelly.json
new file mode 100644
index 0000000..578f6dc
--- /dev/null
+++ b/configs/valid/shelly.json
@@ -0,0 +1,21 @@
+{
+	"mqtt": {
+		"broker": "tcp://127.0.0.1:1883",
+		"client-id": "siaserver",
+		"topic-prefix": "sia"
+	},
+	"homematic": {
+		"ccu": "http://127.0.0.1:8080",
+		"polling-period": "50ms"
+	},
+	"shelly": [
+		{
+			"id": "shelly1",
+			"ip": "192.168.1.20"
+		},
+		{
+			"id": "shelly2",
+			"ip": "2001:db8::68"
+		}
+	]
+}