Adding srpc example to naclports.

examples/srpc/duality/duality.cc

Index: examples/srpc/duality/duality.cc
===================================================================
--- examples/srpc/duality/duality.cc	(revision 0)
+++ examples/srpc/duality/duality.cc	(revision 0)
@@ -0,0 +1,52 @@
+// Copyright 2008 The Native Client SDK Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can
+// be found in the LICENSE file.
+
+
+#include <examples/srpc/duality/duality.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <nacl/nacl_npapi.h>
+#include <nacl/nacl_srpc.h>
+
+Duality::Duality()
+    : Scriptable() {
+  printf("Duality: Duality() was called!\n");
+  fflush(stdout);
+}
+
+Duality::~Duality() {
+  printf("Duality: ~Duality() was called!\n");
+  fflush(stdout);
+}
+
+bool Duality::SayHello(Scriptable * instance,
+                       const NPVariant* args,
+                       uint32_t arg_count,
+                       NPVariant* result) {
+  printf("Duality: Duality::SayHello was called via NPAPI!\n");
+  fflush(stdout);
+  if (result) {
+    const char *msg = "Hello from a specialized Scriptable!";
+    const int msg_length = strlen(msg) + 1;
+    // Note: |msg_copy| will be freed later on by the browser, so it needs to
+    // be allocated here with NPN_MemAlloc().
+    char *msg_copy = reinterpret_cast<char*>(NPN_MemAlloc(msg_length));
+    strncpy(msg_copy, msg, msg_length);
+    STRINGN_TO_NPVARIANT(msg_copy, msg_length - 1, *result);
+  }
+  return true;
+}
+
+void Duality::InitializeMethodTable() {
+  printf("Duality: Duality::InitializeMethodTable was called!\n");
+  fflush(stdout);
+  NPIdentifier say_hello_id = NPN_GetStringIdentifier("SayHello");
+  IdentifierToMethodMap::value_type tMethodEntry(say_hello_id,
+                                                 &Duality::SayHello);
+  method_table_->insert(tMethodEntry);
+}