1 files changed, 121 insertions, 0 deletions
diff --git a/sca-cpp/tags/cpp-sca-20060405/runtime/core/src/tuscany/sca/core/ServiceProxy.cpp b/sca-cpp/tags/cpp-sca-20060405/runtime/core/src/tuscany/sca/core/ServiceProxy.cpp
new file mode 100644
index 0000000000..ef2f2744eb
--- /dev/null
+++ b/sca-cpp/tags/cpp-sca-20060405/runtime/core/src/tuscany/sca/core/ServiceProxy.cpp
@@ -0,0 +1,121 @@
+/*
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+/* $Rev$ $Date: 2005/12/22 11:33:21 $ */
+
+#include "tuscany/sca/core/ServiceProxy.h"
+
+#include "tuscany/sca/util/Logging.h"
+#include "tuscany/sca/util/Exceptions.h"
+#include "tuscany/sca/core/SCARuntime.h"
+#include "tuscany/sca/model/CPPImplementation.h"
+
+using namespace osoa::sca;
+
+namespace tuscany
+{
+    namespace sca
+    {
+        // ============================
+        // Constructor: Create a proxy
+        // ============================
+        ServiceProxy::ServiceProxy(Component* component, const string& name, ServiceWrapper* target)
+        {
+            LOGENTRY(1,"ServiceProxy::constructor");
+            string msg;
+
+            // ----------------------
+            // Get the implementation
+            // ----------------------
+            Implementation* impl = component->getImplementation();
+            if (!impl)
+            {
+                msg = "Component " + component->getName() + " has no implementation defined";
+                throw ServiceNotFoundException(msg.c_str());
+            }
+            
+            // TODO: This only handle CPP implementation for now
+            if (impl->getImplementationType() == Implementation::CPP)
+            {
+                // ----------------------------------------------------
+                // Get implementation dll name and service factory name
+                // ----------------------------------------------------
+                string dllName = ((CPPImplementation*)impl)->getDll();
+                string headerStub = ((CPPImplementation*)impl)->getHeaderStub();
+
+                string fullDllName = component->getModule()->getRoot() + "/" + dllName;
+                string proxyFactoryName = headerStub + "_" + name + "_Proxy_Factory";
+                string proxyDestructorName = headerStub + "_" + name + "_Proxy_Destructor";        
+                typedef void* (* PROXYFACTORY) (ServiceWrapper*);
+                
+                // ------------
+                // Load the dll
+                // ------------
+                proxyLibrary = Library(fullDllName);
+
+                // -------------------------
+                // Locate the factory method
+                // -------------------------
+                PROXYFACTORY proxyFactory = (PROXYFACTORY)proxyLibrary.getSymbol(proxyFactoryName);        
+                if (!proxyFactory)
+                {
+                    LOGERROR_2(1, "ComponentContextImpl::getServiceProxy: Unable to locate %s in library %s",
+                        proxyFactoryName.c_str(), fullDllName.c_str());
+                    msg = "Unable to locate " + proxyFactoryName + " in library " + fullDllName;
+                    throw ServiceNotFoundException(msg.c_str());
+                }
+                
+                // -----------------------------------
+                // Now create an instance of the proxy                
+                // -----------------------------------
+                proxy = proxyFactory(target); 
+                if (!proxy)
+                {
+                    LOGERROR_2(1, "ComponentContextImpl::getServiceProxy: Factory method %s in library %s returned null",
+                        proxyFactoryName.c_str(), fullDllName.c_str());
+                    msg = "Factory method " + proxyFactoryName + " in library " + fullDllName + " returned null";
+                    throw ServiceNotFoundException(msg.c_str());
+                }
+
+                // -------------------------
+                // Get the destructor method
+                // -------------------------
+                destructor  = (PROXYDESTRUCTOR)proxyLibrary.getSymbol(proxyDestructorName);        
+            }
+            
+            LOGEXIT(1,"ServiceProxy::constructor");
+            
+        }
+
+        // ==========
+        // Destructor
+        // ==========
+        ServiceProxy::~ServiceProxy()
+        {
+            LOGENTRY(1,"ServiceProxy::destructor");
+
+            // Delete the proxy
+            if (destructor)
+            {
+                destructor(proxy);
+            }
+            LOGEXIT(1,"ServiceProxy::destructor");
+        }
+    
+        
+    } // End namespace sca
+} // End namespace tuscany