Initial work for UDP Pepper API

ppapi/cpp/private/flash_udp_socket.cc

Index: ppapi/cpp/private/flash_udp_socket.cc
diff --git a/ppapi/cpp/private/flash_udp_socket.cc b/ppapi/cpp/private/flash_udp_socket.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1ac36a37bb6e88175fdd3c49b04d2990090a8e45
--- /dev/null
+++ b/ppapi/cpp/private/flash_udp_socket.cc
@@ -0,0 +1,72 @@
+// Copyright (c) 2011 The Chromium 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 "ppapi/cpp/private/flash_udp_socket.h"
+
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/cpp/completion_callback.h"
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/module.h"
+#include "ppapi/cpp/module_impl.h"
+
+namespace pp {
+
+namespace {
+
+template <> const char* interface_name<PPB_Flash_UDPSocket>() {
+  return PPB_FLASH_UDPSOCKET_INTERFACE;
+}
+
+}  // namespace
+
+namespace flash {
+
+UDPSocket::UDPSocket(Instance* instance) {
+  if (has_interface<PPB_Flash_UDPSocket>() && instance) {
+    PassRefFromConstructor(get_interface<PPB_Flash_UDPSocket>()->Create(
+                               instance->pp_instance()));
+  }
+}
+
+int32_t UDPSocket::Bind(const PP_Flash_NetAddress* addr,
+                        const CompletionCallback& callback) {
+  if (!has_interface<PPB_Flash_UDPSocket>())
+    return PP_ERROR_NOINTERFACE;
+  return get_interface<PPB_Flash_UDPSocket>()->Bind(
+      pp_resource(), addr, callback.pp_completion_callback());
+}
+
+int32_t UDPSocket::RecvFrom(char* buffer,
+                            int32_t num_bytes,
+                            const CompletionCallback& callback) {
+  if (!has_interface<PPB_Flash_UDPSocket>())
+    return PP_ERROR_NOINTERFACE;
+  return get_interface<PPB_Flash_UDPSocket>()->RecvFrom(
+      pp_resource(), buffer, num_bytes, callback.pp_completion_callback());
+}
+
+bool UDPSocket::GetRecvFromAddress(PP_Flash_NetAddress* addr) {
+  if (!has_interface<PPB_Flash_UDPSocket>())
+    return false;
+
+  PP_Bool result = get_interface<PPB_Flash_UDPSocket>()->GetRecvFromAddress(
+      pp_resource(), addr);
+  return PP_ToBool(result);
+}
+
+int32_t UDPSocket::SendTo(const char* buffer,
+                          int32_t num_bytes,
+                          const struct PP_Flash_NetAddress* addr,
+                          const CompletionCallback& callback) {
+  if (!has_interface<PPB_Flash_UDPSocket>())
+    return PP_ERROR_NOINTERFACE;
+  return get_interface<PPB_Flash_UDPSocket>()->SendTo(
+      pp_resource(), buffer, num_bytes, addr,
+      callback.pp_completion_callback());
+}
+
+}  // namespace flash
+}  // namespace pp
+