From 056181160ce510e5409886fd7b8884480ae30a27 Mon Sep 17 00:00:00 2001
From: astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>
Date: Mon, 19 Oct 2009 16:57:14 +0000
Subject: git-svn-id: file:///home/svn/opt_utilities@82
 ed2142bd-67ad-457f-ba7c-d818d4011675

---
 models/dl_model.hpp | 181 ++++++----------------------------------------------
 models/models.cc    |   3 -
 2 files changed, 21 insertions(+), 163 deletions(-)

(limited to 'models')

diff --git a/models/dl_model.hpp b/models/dl_model.hpp
index 7221fd1..9729335 100644
--- a/models/dl_model.hpp
+++ b/models/dl_model.hpp
@@ -12,169 +12,30 @@
 
 namespace opt_utilities
 {
+
   template <typename T>
-  class dl_model
-    :public model<T,T,std::vector<T>,std::string>
+  model<T,T,std::vector<T>,std::string>* load_model(const char* fname)
   {
-  private:
-    T (*calc_model)(T x,const T* p);
-    int nparams;
-    mutable void* handle;
-  private:
-    model<T,T,std::vector<T> >* do_clone()const
-    {
-      dl_model<T>* result=new dl_model<T>(*this);
-      this->handle=NULL;
-      return result;
-    }
+    void* handle;
     
-    const char* do_get_type_name()const
-    {
-      return "shared object wrapping model";
-    }
-
-    //  public:
-  public:
-    dl_model()
-      :handle(NULL)
-    {}
-
-
-  public:
-    dl_model(const char* file_name)
-      :handle(NULL)
-    {
-      
-      handle=dlopen(file_name,RTLD_LAZY);
-      
-      if(!handle)
-	{
-	  throw opt_exception("faild loading object");
-	}
-      
-      calc_model=(T (*)(T,const T*))dlsym(handle,"calc_model");
-      
-      if(!calc_model)
-	{
-	  throw opt_exception("symble undefined");
-	}
-
-      const char* (*get_param_name)(int)
-	=(const char* (*)(int))dlsym(handle,"get_param_name");
-      
-      if(!get_param_name)
-	{
-	  throw opt_exception("symble undefined");
-	}
-
-      int (*get_num_params)()
-	=(int (*)())dlsym(handle,"get_num_params");
-      
-      if(!get_num_params)
-	{
-	  throw opt_exception("symble undefined");
-      if(!get_num_params)
-	{
-	  throw opt_exception("symble undefined");
-	}	}
-
-      T (*get_default_value)(int)
-	=(T (*)(int))dlsym(handle,"get_default_value");
-      
-      if(!get_default_value)
-	{
-	  throw opt_exception("symble undefined");
-	}
-
-      nparams=get_num_params();
-      
-      for(int i=0;i!=nparams;++i)
-	{
-	  this->push_param_info(param_info<std::vector<T> >(get_param_name(i),
-				get_default_value(i)));
-	}
-    }
-
-    ~dl_model()
-    {
-      if(handle)
-	{
-	  dlclose(handle);
-	}
-    }
-
-    void bind(const char* file_name)
-    {
-      if(handle)
-	{
-	  dlclose(handle);
-	}
-      this->clear_param_info();
-      handle=dlopen(file_name,RTLD_LAZY);
-
-      if(!handle)
-	{
-	  throw opt_exception("faild loading object");
-	}
-
-      calc_model=(T (*)(T,const T*))dlsym(handle,"calc_model");
-      
-      if(!calc_model)
-	{
-	  throw opt_exception("symble undefined");
-	}
-
-      const char* (*get_param_name)(int)
-	=(const char* (*)(int))dlsym(handle,"get_param_name");
-      
-      if(!get_param_name)
-	{
-	  throw opt_exception("symble undefined");
-	}
-
-
-      int (*get_num_params)()
-	=(int (*)())dlsym(handle,"get_num_params");
-      
-      if(!get_num_params)
-	{
-	  throw opt_exception("symble undefined");
-	}      
-
-
-      T (*get_default_value)(int)
-	=(T (*)(int))dlsym(handle,"get_default_value");
-     
-
-      if(!get_default_value)
-	{
-	  throw opt_exception("symble undefined");
-	}
-
-      
-      nparams=get_num_params();
-      for(int i=0;i!=nparams;++i)
-	{
-	  this->push_param_info(param_info<std::vector<T> >(get_param_name(i),
-				get_default_value(i)));
-	}
-    }
-
-    T do_eval(const T& x,const std::vector<T>& param)
-    {
-      if(handle==NULL)
-	{
-	  throw opt_exception("dl object unloaded");
-	}
-      return calc_model(x,&get_element(param,0));
-    }
-
-    std::string do_to_string()const
-    {
-      return "Dynamical load model\n"
-	"Should be loaded from an shared object file\n";
-    }
-  };
+    handle=dlopen(fname,RTLD_LAZY);
+    
+    if(!handle)
+      {
+	throw opt_exception("faild loading object");
+      }
+    
+    
+    model<T,T,std::vector<T>,std::string>* (*func_create)();
+    
+    func_create=(model<T,T,std::vector<T>,std::string>* (*)())dlsym(handle,"create_model_object");
+    
+    if(!func_create)
+      {
+	throw opt_exception("symble undefined");
+      }
+    return func_create();
+  }
 }
 
 
diff --git a/models/models.cc b/models/models.cc
index 8a63037..e1c6d34 100644
--- a/models/models.cc
+++ b/models/models.cc
@@ -108,9 +108,6 @@ model<double,vecn<double,2>,std::vector<double>,std::string>& get_2dmodel_by_nam
       model_map["poly1d3"]=new poly1d<double,3>;
       model_map["poly1d4"]=new poly1d<double,4>;
       model_map["poly1d5"]=new poly1d<double,5>;
-#ifdef __linux__
-      model_map["dlmodel"]=new dl_model<double>;
-#endif
       //DECL_POLY(7)
     }
     
-- 
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