From 10f156c322d94d87375388dec09e49f1cd01a9a7 Mon Sep 17 00:00:00 2001
From: dcq <dcq@opencascade.com>
Date: Fri, 26 Mar 2004 15:09:49 +0000
Subject: [PATCH] DCQ : Co-localisation

---
 idl/GEOM_Shape.idl             |  2 ++
 src/GEOM/GEOM_Shape_i.cc       |  9 +++++++
 src/GEOM/GEOM_Shape_i.hh       |  2 ++
 src/GEOMClient/GEOM_Client.cxx | 48 +++++++++++++++++++++++++---------
 src/GEOMClient/GEOM_Client.hxx |  3 +++
 5 files changed, 52 insertions(+), 12 deletions(-)

diff --git a/idl/GEOM_Shape.idl b/idl/GEOM_Shape.idl
index b9091a0ed..a75c3486c 100644
--- a/idl/GEOM_Shape.idl
+++ b/idl/GEOM_Shape.idl
@@ -78,6 +78,8 @@ module GEOM
     // the generator engine
     GEOM_Gen Engine();
    
+    // Get the TopoDS_Shape, for colocated case only
+    long getShape();
   };
 };
 #endif
diff --git a/src/GEOM/GEOM_Shape_i.cc b/src/GEOM/GEOM_Shape_i.cc
index bf7cdf062..60db998b4 100644
--- a/src/GEOM/GEOM_Shape_i.cc
+++ b/src/GEOM/GEOM_Shape_i.cc
@@ -246,3 +246,12 @@ GEOM::GEOM_Gen_ptr GEOM_Shape_i::Engine()
 {
   return _engine;
 }
+
+//=======================================================================
+//function : getShape
+//purpose  : return the TopoDS_Shape when client and servant are colocated, be careful
+//=======================================================================
+
+long GEOM_Shape_i::getShape() {
+    return((long)(&_geom));
+}
diff --git a/src/GEOM/GEOM_Shape_i.hh b/src/GEOM/GEOM_Shape_i.hh
index a976b31c4..bf114b937 100644
--- a/src/GEOM/GEOM_Shape_i.hh
+++ b/src/GEOM/GEOM_Shape_i.hh
@@ -112,6 +112,8 @@ public:
   GEOM::GEOM_Shape::TMPFile* GetShapeStream();
 
   GEOM::GEOM_Gen_ptr Engine();
+
+  long getShape();
 };
   
 #endif
diff --git a/src/GEOMClient/GEOM_Client.cxx b/src/GEOMClient/GEOM_Client.cxx
index e3fb21cb3..b5ee8f58e 100644
--- a/src/GEOMClient/GEOM_Client.cxx
+++ b/src/GEOMClient/GEOM_Client.cxx
@@ -47,34 +47,58 @@ using namespace std;
 #include <TopTools_ListOfShape.hxx>
 
 
+#include <unistd.h>
+
+#define HST_CLIENT_LEN 256
+
 
 //=======================================================================
 // function : Load()
 // purpose  : 
 //=======================================================================
-static TopoDS_Shape Load( GEOM::GEOM_Gen_ptr geom, GEOM::GEOM_Shape_ptr aShape )
+TopoDS_Shape GEOM_Client::Load( GEOM::GEOM_Gen_ptr geom, GEOM::GEOM_Shape_ptr aShape )
 {
-  TopoDS_Shape S;
-  /* get sequence of bytes of resulting brep shape from GEOM server */
-  GEOM::GEOM_Shape::TMPFile_var SeqFile = aShape->GetShapeStream();
-  int sizebuf = SeqFile->length();
-  char* buf;
-  buf = (char*) &SeqFile[0];
-  istrstream streamBrep(buf,sizebuf);
-  BRep_Builder aBuilder;
-  BRepTools::Read(S, streamBrep, aBuilder);
-  return S;
+    char hst_client[HST_CLIENT_LEN];
+    gethostname(hst_client, HST_CLIENT_LEN);
+
+    Engines::Container_var ctn_server = geom->GetContainerRef();
+    long                   pid_server = ctn_server->getPID();
+
+    if ( (pid_client==pid_server) && (strcmp(hst_client, ctn_server->getHostName())==0) ) {
+        TopoDS_Shape* S = (TopoDS_Shape*)(aShape->getShape());
+        return(*S);
+    } else {
+        /* get sequence of bytes of resulting brep shape from GEOM server */
+        TopoDS_Shape S;
+        GEOM::GEOM_Shape::TMPFile_var SeqFile = aShape->GetShapeStream();
+        int sizebuf = SeqFile->length();
+        char* buf;
+        buf = (char*) &SeqFile[0];
+        istrstream streamBrep(buf,sizebuf);
+        BRep_Builder aBuilder;
+        BRepTools::Read(S, streamBrep, aBuilder);
+        return(S);
+    };
 }
 
 
 //=======================================================================
 // function : Create()
-// purpose  : 
+// purpose  : Create in client not in a container
 //=======================================================================
 GEOM_Client::GEOM_Client()
 {
+  pid_client = (-1);
 }
 
+//=======================================================================
+// function : Create()
+// purpose  : 
+//=======================================================================
+GEOM_Client::GEOM_Client(Engines::Container_ptr client)
+{
+  pid_client = client->getPID();
+}
 
 //=======================================================================
 // function : Find()
diff --git a/src/GEOMClient/GEOM_Client.hxx b/src/GEOMClient/GEOM_Client.hxx
index 09d4351b7..0dbaddd63 100644
--- a/src/GEOMClient/GEOM_Client.hxx
+++ b/src/GEOMClient/GEOM_Client.hxx
@@ -75,18 +75,21 @@ public:
   // Methods PUBLIC
   // 
   Standard_EXPORT   GEOM_Client();
+  Standard_EXPORT   GEOM_Client(Engines::Container_ptr client);
   Standard_EXPORT   Standard_Integer Find( const TCollection_AsciiString& ShapeIOR, TopoDS_Shape& S ) ;
   Standard_EXPORT   void Bind( const TCollection_AsciiString& ShapeIOR, const TopoDS_Shape& S ) ;
   Standard_EXPORT   TopoDS_Shape GetShape( GEOM::GEOM_Gen_ptr geom, GEOM::GEOM_Shape_ptr aShape );
   Standard_EXPORT   void RemoveShapeFromBuffer( const TCollection_AsciiString& shapeIOR ) ;
   Standard_EXPORT   void ClearClientBuffer() ;
   Standard_EXPORT   unsigned int BufferLength() ;
+                    TopoDS_Shape Load( GEOM::GEOM_Gen_ptr geom, GEOM::GEOM_Shape_ptr aShape);
 
 private: 
   // Fields PRIVATE
   //
   TColStd_SequenceOfAsciiString myIORs ;
   TopTools_SequenceOfShape myShapes ;
+  long  pid_client;
 };