httpgateway: take listen/port data from config file

gateway/httpgateway.cpp

@@ -22,6 +22,17 @@ SOFTWARE.
 #include "../logger.h"
 HttpGateway::HttpGateway(const Config &config)
 {
+	this->listenaddr = config.getConfig("http.listenaddr");
+	if(this->listenaddr.empty())
+	{
+		throw new std::runtime_error("No http.listenaddr in config file");
+	}
+	std::string listenport = config.getConfig("http.listenport");
+	if(listenport.empty())
+	{
+		throw new std::runtime_error("No http.listenport in config file");
+	}
+	this->listenport = std::stoi(listenport);
 }
 
 bool HttpGateway::keepReading()
@@ -89,5 +100,5 @@ void HttpGateway::work(RequestWorker &worker)
 	};
 	server.Get("/(.*)", handler);
 	server.Post("/(.*)", handler);
-	server.listen("127.0.0.1", 1234);
+	server.listen(this->listenaddr.c_str(), this->listenport);
 }

gateway/httpgateway.h

@@ -13,6 +13,10 @@ class HttpGateway : public GatewayInterface
 	httplib::Response convertResponse(Response response);
 	Request convertRequest(httplib::Request request);
 	//  void worker(const httplib::Request& req, httplib::Response& res);
+
+	std::string listenaddr;
+	int listenport;
+
   public:
 	HttpGateway(const Config &config);
 	bool keepReading() override;