Add concept of runtime configuration, set by HTTP hostname or environment variable depending on engine

Use it in ArtfulSeller, although there is currently only one platform

2 files changed, 40 insertions, 1 deletions

diff --git a/project2/cgi/cgiAppEngine.cpp b/project2/cgi/cgiAppEngine.cpp
index d1c1579..3a9e362 100644
--- a/project2/cgi/cgiAppEngine.cpp
+++ b/project2/cgi/cgiAppEngine.cpp
@@ -7,6 +7,7 @@
 #include "../xmlObjectLoader.h"
 #include "../iterate.h"
 #include <boost/bind.hpp>
+#include <boost/regex.hpp>
 #include "../sessionXml.h"
 
 const std::string SESSIONID = "sessionID";
@@ -15,8 +16,10 @@ typedef std::string SValue;
 
 SessionContainer * sessionsContainer = new SessionContainerXml();
 
+class UnknownDomain : public std::exception { };
+
 CgiApplicationEngine::CgiApplicationEngine(const CgiEnvironment * e) :
-	ApplicationEngine(),
+	ApplicationEngine("web/host"),
 	_env(e),
 	header(NULL)
 {
@@ -181,3 +184,26 @@ CgiApplicationEngine::session() const
 	return sessionsContainer->GetSession(sessionID);
 }
 
+bool
+CgiApplicationEngine::checkDomain(const CgiApplicationEngine::DomainPlatforms::value_type & i) const
+{
+	const std::string & h = _env->getServerName();
+	return boost::regex_match(h.begin(), h.end(), boost::regex(i.first.raw()));
+}
+
+Glib::ustring
+CgiApplicationEngine::resolveCurrentConfig() const
+{
+	DomainPlatforms::const_iterator i = std::find_if(domplat.begin(), domplat.end(), boost::bind(&CgiApplicationEngine::checkDomain, this, _1));
+	if (i != domplat.end()) {
+		return i->second;
+	}
+	throw UnknownDomain();
+}
+
+void
+CgiApplicationEngine::loadEngineSection(const xmlpp::Element * e) const
+{
+	domplat.push_back(DomainPlatforms::value_type(e->get_attribute_value("name"), e->get_attribute_value("platform")));
+}
+
diff --git a/project2/cgi/cgiAppEngine.h b/project2/cgi/cgiAppEngine.h
index 532b74d..5a21e98 100644
--- a/project2/cgi/cgiAppEngine.h
+++ b/project2/cgi/cgiAppEngine.h
@@ -31,12 +31,22 @@ class CgiApplicationEngine : public ApplicationEngine {
 		}
 		const Environment * env() const;
 		SessionPtr session() const;
+		virtual Glib::ustring resolveCurrentConfig() const;
 		void addAppData(const Presenter * p) const;
 		const CgiEnvironment * _env;
+
 	protected:
 		mutable cgicc::HTTPContentHeader * header;
+
 	private:
+		typedef std::pair<Glib::ustring, Glib::ustring> DomainPlatform;
+		typedef std::list<DomainPlatform> DomainPlatforms;
+		mutable DomainPlatforms domplat;
+		bool checkDomain(const DomainPlatforms::value_type & i) const;
+		void loadEngineSection(const xmlpp::Element *) const;
+
 		mutable boost::shared_ptr<xmlpp::Document> doc;
+
 		class Stage;
 		typedef boost::intrusive_ptr<Stage> StagePtr;
 		class Stage : public virtual CommonObjects {
@@ -47,6 +57,7 @@ class CgiApplicationEngine : public ApplicationEngine {
 			protected:
 				const CgiApplicationEngine * appEngine;
 		};
+		
 		class RequestStage : public Stage {
 			public:
 				RequestStage(const CgiApplicationEngine *, const std::string & id);
@@ -57,12 +68,14 @@ class CgiApplicationEngine : public ApplicationEngine {
 				OrderedParamCheckers parameterChecks;
 				NoOutputExecutes tasks;
 		};
+		
 		class PresentStage : public Stage, public XmlPresenter {
 			public:
 				PresentStage(const CgiApplicationEngine *, const std::string & id);
 				PresentStage(const CgiApplicationEngine *, const std::string & group, const std::string & id);
 				virtual ~PresentStage();
 				virtual StagePtr run();
+		
 		};
 		mutable StagePtr currentStage;
 		mutable UUID sessionID;