added coap_port as config parameter

src/config.h

@@ -34,6 +34,9 @@ public:
 
 	std::string get(const std::string& key) throw(ConfigException);
 	std::string get(const std::string& key, const std::string& default_value);
+	int get(const std::string& key, const int& default_value){
+		return stoi(get(key, std::to_string(default_value)));
+	}
 
 	void set(const std::string& key, const std::string& value);
 	void set(const std::string& key, const int& value){

src/desk-main.cpp

@@ -11,16 +11,21 @@
 #include "config.h"
 
 #include <iostream>
+#include <cstdint>
 
 using namespace std;
 using namespace desk;
 
 int main(int argc, char** argv){
+	uint16_t coap_port;
+
 	Config conf("/etc/desk.conf");
 
 	LinakDesk desk(conf);
 	CmdFrontend cf(desk);
-	CoapFrontend cof(desk, 5678);
+
+	coap_port = conf.get("coap_port", 5678);
+	CoapFrontend cof(desk, coap_port);
 
 	desk.doDeskControl();