From 1b43f4bb636e2e314d7ae72cf7158d9648ffceb0 Mon Sep 17 00:00:00 2001
From: Carl Philipp Klemm <philipp@uvos.xyz>
Date: Tue, 30 May 2023 14:24:35 +0200
Subject: [PATCH] add missing compcache files
---
compcache.cpp | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++
compcache.h | 39 +++++++++++++++++++++++++++
2 files changed, 113 insertions(+)
create mode 100644 compcache.cpp
create mode 100644 compcache.h
diff --git a/compcache.cpp b/compcache.cpp
new file mode 100644
index 0000000..3b64b40
--- /dev/null
+++ b/compcache.cpp
@@ -0,0 +1,74 @@
+#include "compcache.h"
+
+#include <string>
+#include <vector>
+#include <map>
+#include <complex>
+#include <dlfcn.h>
+
+using namespace eis;
+
+std::string eis::getTempdir()
+{
+ char* tmpEnv = getenv("TMP");
+ char* tempEnv = getenv("TEMP");
+ char* tempDirEnv = getenv("TEMPDIR");
+
+ std::filesystem::path path;
+ if(tmpEnv && std::string(tmpEnv).length() > 1)
+ path = tmpEnv;
+ else if(tempEnv && std::string(tempEnv).length() > 1)
+ path = tempEnv;
+ else if(tempDirEnv && std::string(tempDirEnv).length() > 1)
+ path = tempDirEnv;
+ else
+ path = "/tmp";
+ path = path/"eis_models";
+
+ if(!std::filesystem::is_directory(path))
+ {
+ if(!std::filesystem::create_directory(path))
+ throw std::runtime_error(path.string() +
+ "is not a directory and a directory can not be created at this locaion");
+ }
+
+ return path.string();
+}
+
+
+CompCache* CompCache::getInstance()
+{
+ if(!instance)
+ instance = new CompCache();
+ return instance;
+}
+
+bool CompCache::addObject(size_t uuid, const CompiledObject& object)
+{
+ CompiledObject* foundobject = getObject(uuid);
+ if(foundobject)
+ return false;
+
+ objects.insert({uuid, new CompiledObject(object)});
+ return true;
+}
+
+CompiledObject* CompCache::getObject(size_t uuid)
+{
+ auto search = objects.find(uuid);
+ if(search == objects.end())
+ return nullptr;
+ else
+ return search->second;
+}
+
+void CompCache::dropAllObjects()
+{
+ for(std::pair<size_t, CompiledObject*> object : objects)
+ {
+ dlclose(object.second->objectCode);
+ delete object.second;
+ }
+
+ objects.clear();
+}
diff --git a/compcache.h b/compcache.h
new file mode 100644
index 0000000..469385a
--- /dev/null
+++ b/compcache.h
@@ -0,0 +1,39 @@
+#include <string>
+#include <vector>
+#include <map>
+#include <complex>
+
+#include "eistype.h"
+
+namespace eis
+{
+
+std::string getTempdir();
+
+struct CompiledObject
+{
+ void* objectCode;
+ std::vector<std::complex<fvalue>>(*symbol)(const std::vector<fvalue>&, const std::vector<fvalue>&);
+};
+
+class CompCache
+{
+public:
+
+private:
+
+ inline static CompCache* instance = nullptr;
+ std::map<size_t, CompiledObject*> objects;
+ CompCache() {};
+
+public:
+
+ static CompCache* getInstance();
+ CompCache(const CompCache&) = delete;
+ CompCache& operator=(const CompCache&) = delete;
+ bool addObject(size_t uuid, const CompiledObject& object);
+ CompiledObject* getObject(size_t uuid);
+ void dropAllObjects();
+};
+
+}
--
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