1 files changed, 62 insertions, 0 deletions
diff --git a/src/runtime_config.go b/src/runtime_config.go
new file mode 100644
index 0000000..07e4a7c
--- /dev/null
+++ b/src/runtime_config.go
@@ -0,0 +1,62 @@
+// vim: shiftwidth=4 tabstop=4 noexpandtab
+
+package main
+
+import (
+	"log"
+	"io/ioutil"
+	"os"
+	"flag"
+	"encoding/json"
+)
+
+type RuntimeConfig struct {
+	Flag FlagConfig
+	Web WebConfig `json:"webserver"`
+	Transport TransportConfig `json:"file_transport"`
+}
+
+func GetRuntimeConfig() RuntimeConfig {
+
+	retval := RuntimeConfig{}
+
+	// read CLI parameters
+	retval.Flag.read()
+
+	// open the config file
+	configFile, err := os.Open(retval.Flag.ConfigPath)
+	defer configFile.Close()
+	if err != nil {
+		log.Fatalf("Could not open configuration file %s", retval.Flag.ConfigPath)
+	}
+
+	// read byte content
+	byteData, err := ioutil.ReadAll(configFile)
+	if err != nil {
+		log.Fatalf("Could not read configuration file %s", retval.Flag.ConfigPath)
+	}
+
+	// parse content to config structs
+	err = json.Unmarshal(byteData, &retval)
+	if err != nil {
+		log.Fatalf("Could not parse configuration file %s", retval.Flag.ConfigPath)
+	}
+
+	// patch default config in case of debugging
+	if retval.Flag.Debug {
+		retval.Transport.Enabled = true
+	}
+
+	return retval
+}
+
+type FlagConfig struct {
+	ConfigPath string
+	Debug bool
+}
+
+func (flagConfig *FlagConfig) read() {
+	flag.StringVar(&(flagConfig.ConfigPath), "c", "/etc/birdscan/config.json", "Path to birdscan configuration file")
+	flag.BoolVar(&(flagConfig.Debug), "d", false, "A debug flag to be used by source repository Makefile")
+	flag.Parse()
+}