xref: /external/chromium_org/ppapi/c/private/ppb_udp_socket_private.h

/* Copyright (c) 2012 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 private/ppb_udp_socket_private.idl modified Mon Jun 24 09:53:43 2013. */

#ifndef PPAPI_C_PRIVATE_PPB_UDP_SOCKET_PRIVATE_H_
#define PPAPI_C_PRIVATE_PPB_UDP_SOCKET_PRIVATE_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/pp_var.h"
#include "ppapi/c/private/ppb_net_address_private.h"

#define PPB_UDPSOCKET_PRIVATE_INTERFACE_0_2 "PPB_UDPSocket_Private;0.2"
#define PPB_UDPSOCKET_PRIVATE_INTERFACE_0_3 "PPB_UDPSocket_Private;0.3"
#define PPB_UDPSOCKET_PRIVATE_INTERFACE_0_4 "PPB_UDPSocket_Private;0.4"
#define PPB_UDPSOCKET_PRIVATE_INTERFACE PPB_UDPSOCKET_PRIVATE_INTERFACE_0_4

/**
 * @file
 * This file defines the <code>PPB_UDPSocket_Private</code> interface.
 */


/**
 * @addtogroup Enums
 * @{
 */
typedef enum {
  /* Allow the socket to share the local address to which socket will
   * be bound with other processes. Value's type should be
   * PP_VARTYPE_BOOL. */
  PP_UDPSOCKETFEATURE_PRIVATE_ADDRESS_REUSE = 0,
  /* Allow sending and receiving packets sent to and from broadcast
   * addresses. Value's type should be PP_VARTYPE_BOOL. */
  PP_UDPSOCKETFEATURE_PRIVATE_BROADCAST = 1,
  /* Special value for counting the number of available
   * features. Should not be passed to SetSocketFeature(). */
  PP_UDPSOCKETFEATURE_PRIVATE_COUNT = 2
} PP_UDPSocketFeature_Private;
PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_UDPSocketFeature_Private, 4);
/**
 * @}
 */

/**
 * @addtogroup Interfaces
 * @{
 */
struct PPB_UDPSocket_Private_0_4 {
  /**
   * Creates a UDP socket resource.
   */
  PP_Resource (*Create)(PP_Instance instance_id);
  /**
   * Determines if a given resource is a UDP socket.
   */
  PP_Bool (*IsUDPSocket)(PP_Resource resource_id);
  /**
   * Sets a socket feature to |udp_socket|. Should be called before
   * Bind(). Possible values for |name|, |value| and |value|'s type
   * are described in PP_UDPSocketFeature_Private description. If no
   * error occurs, returns PP_OK. Otherwise, returns
   * PP_ERROR_BADRESOURCE (if bad |udp_socket| provided),
   * PP_ERROR_BADARGUMENT (if bad name/value/value's type provided)
   * or PP_ERROR_FAILED in the case of internal errors.
   */
  int32_t (*SetSocketFeature)(PP_Resource udp_socket,
                              PP_UDPSocketFeature_Private name,
                              struct PP_Var value);
  /* Creates a socket and binds to the address given by |addr|. */
  int32_t (*Bind)(PP_Resource udp_socket,
                  const struct PP_NetAddress_Private* addr,
                  struct PP_CompletionCallback callback);
  /* Returns the address that the socket has bound to.  A successful
   * call to Bind must be called first. Returns PP_FALSE if Bind
   * fails, or if Close has been called.
   */
  PP_Bool (*GetBoundAddress)(PP_Resource udp_socket,
                             struct PP_NetAddress_Private* addr);
  /* 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_NetAddress_Private* 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_NetAddress_Private* addr,
                    struct PP_CompletionCallback callback);
  /* Cancels all pending reads and writes, and closes the socket. */
  void (*Close)(PP_Resource udp_socket);
};

typedef struct PPB_UDPSocket_Private_0_4 PPB_UDPSocket_Private;

struct PPB_UDPSocket_Private_0_2 {
  PP_Resource (*Create)(PP_Instance instance_id);
  PP_Bool (*IsUDPSocket)(PP_Resource resource_id);
  int32_t (*Bind)(PP_Resource udp_socket,
                  const struct PP_NetAddress_Private* addr,
                  struct PP_CompletionCallback callback);
  int32_t (*RecvFrom)(PP_Resource udp_socket,
                      char* buffer,
                      int32_t num_bytes,
                      struct PP_CompletionCallback callback);
  PP_Bool (*GetRecvFromAddress)(PP_Resource udp_socket,
                                struct PP_NetAddress_Private* addr);
  int32_t (*SendTo)(PP_Resource udp_socket,
                    const char* buffer,
                    int32_t num_bytes,
                    const struct PP_NetAddress_Private* addr,
                    struct PP_CompletionCallback callback);
  void (*Close)(PP_Resource udp_socket);
};

struct PPB_UDPSocket_Private_0_3 {
  PP_Resource (*Create)(PP_Instance instance_id);
  PP_Bool (*IsUDPSocket)(PP_Resource resource_id);
  int32_t (*Bind)(PP_Resource udp_socket,
                  const struct PP_NetAddress_Private* addr,
                  struct PP_CompletionCallback callback);
  PP_Bool (*GetBoundAddress)(PP_Resource udp_socket,
                             struct PP_NetAddress_Private* addr);
  int32_t (*RecvFrom)(PP_Resource udp_socket,
                      char* buffer,
                      int32_t num_bytes,
                      struct PP_CompletionCallback callback);
  PP_Bool (*GetRecvFromAddress)(PP_Resource udp_socket,
                                struct PP_NetAddress_Private* addr);
  int32_t (*SendTo)(PP_Resource udp_socket,
                    const char* buffer,
                    int32_t num_bytes,
                    const struct PP_NetAddress_Private* addr,
                    struct PP_CompletionCallback callback);
  void (*Close)(PP_Resource udp_socket);
};
/**
 * @}
 */

#endif  /* PPAPI_C_PRIVATE_PPB_UDP_SOCKET_PRIVATE_H_ */