From f8b69b4344258a59e34fe00f28e45068a04ab894 Mon Sep 17 00:00:00 2001
From: randomdan <randomdan@localhost>
Date: Wed, 12 Mar 2014 16:28:25 +0000
Subject: Build ICE modules in parallel

---
 project2/ice/iceCompile.cpp    |  4 +++
 project2/ice/iceCompile.h      |  5 +++-
 project2/ice/iceDaemon.cpp     | 10 +++----
 project2/ice/iceDataSource.cpp | 59 +++++++++++++++++++++++++++++++++---------
 project2/ice/iceDataSource.h   | 10 +++++--
 5 files changed, 68 insertions(+), 20 deletions(-)

diff --git a/project2/ice/iceCompile.cpp b/project2/ice/iceCompile.cpp
index 1be126c..3df8dbd 100644
--- a/project2/ice/iceCompile.cpp
+++ b/project2/ice/iceCompile.cpp
@@ -43,6 +43,10 @@ IceCompile::IceCompile(const boost::filesystem::path & s, const Deps & d) :
 {
 }
 
+IceCompile::~IceCompile()
+{
+}
+
 void
 IceCompile::Update(int steps) const
 {
diff --git a/project2/ice/iceCompile.h b/project2/ice/iceCompile.h
index 762b419..d849ac6 100644
--- a/project2/ice/iceCompile.h
+++ b/project2/ice/iceCompile.h
@@ -10,7 +10,9 @@ class IceCompile {
 	public:
 		INITOPTIONS;
 
-		typedef std::vector<const IceCompile *> Deps;
+		typedef boost::shared_ptr<IceCompile> Ptr;
+		typedef boost::shared_ptr<const IceCompile> CPtr;
+		typedef std::vector<CPtr> Deps;
 
 		static std::string slice2cpp;
 		static std::string cxx;
@@ -22,6 +24,7 @@ class IceCompile {
 		
 		IceCompile(const boost::filesystem::path & slice);
 		IceCompile(const boost::filesystem::path & slice, const Deps & deps);
+		virtual ~IceCompile();
 
 		enum Steps {
 			UpdateBuild = 0x1,
diff --git a/project2/ice/iceDaemon.cpp b/project2/ice/iceDaemon.cpp
index 01acb36..7dcf298 100644
--- a/project2/ice/iceDaemon.cpp
+++ b/project2/ice/iceDaemon.cpp
@@ -62,12 +62,12 @@ IceDaemon::run() const
 {
 	Logger()->messagebf(LOG_INFO, ">>> %s compiling slice '%s'...", __PRETTY_FUNCTION__, slice);
 
-	BuildComms bc(slice);
-	BuildShared bds(slice, { &bc });
-	BuildDaemon bd(slice, { &bds });
-	bd.Update();
+	IceCompile::CPtr bc(new BuildComms(slice));
+	IceCompile::CPtr bds(new BuildShared(slice, { bc }));
+	IceCompile::CPtr bd(new BuildDaemon(slice, { bds }));
+	bd->Update();
 
-	auto library = bd.Open();
+	auto library = bd->Open();
 
 	Logger()->messagebf(LOG_INFO, "  %s starting...", __PRETTY_FUNCTION__);
 	Ice::ObjectAdapterPtr adapter = ic->createObjectAdapterWithEndpoints(adapterName, adapterEndpoint);
diff --git a/project2/ice/iceDataSource.cpp b/project2/ice/iceDataSource.cpp
index 7b77b19..064a69f 100644
--- a/project2/ice/iceDataSource.cpp
+++ b/project2/ice/iceDataSource.cpp
@@ -27,23 +27,51 @@ void
 IceDataSource::SetSlice(const VariableType & vslice)
 {
 	auto slice = vslice.as<std::string>();
-	BuildComms bc(slice);
-	BuildShared bcs(slice, { &bc });
-	BuildClient bcl(slice, { &bcs });
-	bcl.Update();
-	libs.insert({ slice, bcl.Open() });
+	IceCompile::CPtr bc(new BuildComms(slice));
+	bc->Update(IceCompile::UpdateBuild);
+	IceCompile::CPtr bcs(new BuildShared(slice, { bc }));
+	IceCompile::CPtr bcl(new BuildClient(slice, { bcs }));
+	libs.push_back(LibCompile(bcl, new std::thread(&IceCompile::Update, bcl.get(),
+					IceCompile::UpdateBuild | IceCompile::UpdateCompile | IceCompile::UpdateLink)));
 }
 
 void
 IceDataSource::SetSliceClient(const VariableType & vslice)
 {
 	auto slice = vslice.as<std::string>();
-	BuildComms bc(slice);
-	bc.Update(IceCompile::UpdateBuild);
-	BuildShared bcs(slice, { });
-	BuildClient bcl(slice, { &bcs });
-	bcl.Update();
-	libs.insert({ slice, bcl.Open() });
+	IceCompile::CPtr bc(new BuildComms(slice));
+	bc->Update(IceCompile::UpdateBuild);
+	IceCompile::CPtr bcs(new BuildShared(slice, { }));
+	IceCompile::CPtr bcl(new BuildClient(slice, { bcs }));
+	libs.push_back(LibCompile(bcl, new std::thread(&IceCompile::Update, bcl.get(),
+					IceCompile::UpdateBuild | IceCompile::UpdateCompile | IceCompile::UpdateLink)));
+}
+
+class WaitAndLoad : public boost::static_visitor<> {
+	public:
+		WaitAndLoad(IceDataSource::LibPromise & l) : lib(l) { }
+
+		void operator()(IceDataSource::LibCompile & th) const
+		{
+			boost::get<1>(th)->join();
+			delete boost::get<1>(th);
+			lib = boost::get<0>(th)->Open();
+		}
+
+		void operator()(IceCompile::LibHandle) const
+		{
+		}
+
+	private:
+		IceDataSource::LibPromise & lib;
+};
+
+void
+IceDataSource::FinaliseLoad()
+{
+	BOOST_FOREACH(auto & lib, libs) {
+		boost::apply_visitor(WaitAndLoad(lib), lib);
+	}
 }
 
 void
@@ -53,5 +81,12 @@ IceDataSource::ClearSlice()
 	proxies.clear();
 }
 
-DECLARE_LOADER("icedatasource", IceDataSource);
+class IceDataSourceLoader : public ElementLoader::For<IceDataSource> {
+	public:
+		void onConfigLoad() override {
+			IceDataSource::FinaliseLoad();
+		}
+};
+
+DECLARE_CUSTOM_LOADER("icedatasource", IceDataSourceLoader);
 
diff --git a/project2/ice/iceDataSource.h b/project2/ice/iceDataSource.h
index fe07bc1..b145fe5 100644
--- a/project2/ice/iceDataSource.h
+++ b/project2/ice/iceDataSource.h
@@ -6,11 +6,16 @@
 #include <variables.h>
 #include "iceCompile.h"
 #include <Ice/Communicator.h>
+#include <thread>
+#include <boost/tuple/tuple.hpp>
 
 class IceDataSource : public DataSource {
   public:
     INITOPTIONS;
-    static std::string slice;
+
+		typedef boost::tuple<IceCompile::CPtr, std::thread *> LibCompile;
+		typedef boost::variant<LibCompile, IceCompile::LibHandle> LibPromise;
+		typedef std::vector<LibPromise> Libs;
 
 		IceDataSource(ScriptNodePtr p);
 
@@ -26,11 +31,12 @@ class IceDataSource : public DataSource {
 			return Interface::checkedCast(existingProxy->second);
 		}
 
+		static void FinaliseLoad();
+
 	private:
 		static void SetSlice(const VariableType &);
 		static void SetSliceClient(const VariableType &);
 		static void ClearSlice();
-		typedef std::map<std::string, IceCompile::LibHandle> Libs;
 		static Libs libs;
 
 		const Variable endpoint;
-- 
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