Initial work for UDP Pepper API

ppapi/c/private/ppb_flash_udp_socket.h

Index: ppapi/c/private/ppb_flash_udp_socket.h
diff --git a/ppapi/c/private/ppb_flash_udp_socket.h b/ppapi/c/private/ppb_flash_udp_socket.h
new file mode 100644
index 0000000000000000000000000000000000000000..09093632397dfc5c343d7050346e7d477e0f1829
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+++ b/ppapi/c/private/ppb_flash_udp_socket.h
@@ -0,0 +1,76 @@
+/* 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.
+ */
+
+/* From ppb_flash_udp_socket.idl modified Mon Sep 26 09:04:41 2011. */
+
+#ifndef PPAPI_C_PRIVATE_PPB_FLASH_UDP_SOCKET_H_
+#define PPAPI_C_PRIVATE_PPB_FLASH_UDP_SOCKET_H_
+
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_macros.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/pp_stdint.h"
+#include "ppapi/c/private/ppb_flash_tcp_socket.h"
+
+#define PPB_FLASH_UDPSOCKET_INTERFACE_0_1 "PPB_Flash_UDPSocket;0.1"
+#define PPB_FLASH_UDPSOCKET_INTERFACE PPB_FLASH_UDPSOCKET_INTERFACE_0_1
+
+/**
+ * @file
+ * This file defines the <code>PPB_Flash_UDPSocket</code> interface.
+ */
+
+
+/**
+ * @addtogroup Interfaces
+ * @{
+ */
+struct PPB_Flash_UDPSocket {
+  /**
+   * Creates a UDP socket resource.
+   */
+  PP_Resource (*Create)(PP_Instance instance_id);
+  /**
+   * Determines if a given resource is a UDP socket.
+   */
+  PP_Bool (*IsFlashUDPSocket)(PP_Resource resource_id);
+  /* Creates a socket and binds to the address given by |addr|. */
+  int32_t (*Bind)(PP_Resource udp_socket,
+                  const struct PP_Flash_NetAddress* addr,
+                  struct PP_CompletionCallback callback);
+  /* Performs a non-blocking recvfrom call on socket.
+   * Bind must be called first. |callback| is invoked when recvfrom
+   * reads data.  You must call GetRecvFromAddress to recover the
+   * address the data was retrieved from.
+   */
+  int32_t (*RecvFrom)(PP_Resource udp_socket,
+                      char* buffer,
+                      int32_t num_bytes,
+                      struct PP_CompletionCallback callback);
+  /* Upon successful completion of RecvFrom, the address that the data
+   * was received from is stored in |addr|.
+   */
+  PP_Bool (*GetRecvFromAddress)(PP_Resource udp_socket,
+                                struct PP_Flash_NetAddress* addr);
+  /* Performs a non-blocking sendto call on the socket created and
+   * bound(has already called Bind).  The callback |callback| is
+   * invoked when sendto completes.
+   */
+  int32_t (*SendTo)(PP_Resource udp_socket,
+                    const char* buffer,
+                    int32_t num_bytes,
+                    const struct PP_Flash_NetAddress* addr,
+                    struct PP_CompletionCallback callback);
+  /* Cancels all pending reads and writes, and closes the socket. */
+  void (*Close)(PP_Resource udp_socket);
+};
+/**
+ * @}
+ */
+
+#endif  /* PPAPI_C_PRIVATE_PPB_FLASH_UDP_SOCKET_H_ */
+