libt2n: (gerd) add example for wrapper

[libt2n] / examples-codegen / example1-client-wrapper / client.cpp

diff --git a/examples-codegen/example1-client-wrapper/client.cpp b/examples-codegen/example1-client-wrapper/client.cpp
new file mode 100644 (file)
index 0000000..86a2802
--- /dev/null
+++ b/examples-codegen/example1-client-wrapper/client.cpp
@@ -0,0 +1,32 @@
+// for a wrapped socket connection
+#include <socket_wrapper.hxx>
+
+// include generated library header
+#include "t2nexample_client.hxx"
+
+// define a type for more conveniant access
+typedef libt2n::T2nSingletonWrapper<cmd_group_t2nexample_client> wraptype;
+
+// static object which keeps the wrapper-singleton
+template<>
+std::auto_ptr<wraptype> wraptype::SingletonObject = std::auto_ptr<wraptype>();
+
+// static object which keeps the connection
+template<>
+std::auto_ptr<libt2n::ConnectionWrapper> wraptype::WrappedConnection =
+    std::auto_ptr<libt2n::ConnectionWrapper>();
+
+int main(int argc, char** argv)
+{
+    // tell the client-wrapper how to contact the server if a connection is requested
+    wraptype::set_connection(std::auto_ptr<libt2n::ConnectionWrapper>
+        (new libt2n::ReconnectSocketWrapper("./socket")));
+
+    std::string result;
+
+    // execute a function via t2n. The wrapper will open a connection to the server if none
+    // exists or try to reconnect if the existing one doesn't answer
+    std::cout << t2n_exec(&cmd_group_t2nexample_client::testfunc)("hello") << endl;
+
+    return EXIT_SUCCESS;
+}