Apps v2 in Pepper: Add C/C++ definition for chrome.socket.

ppapi/api/extensions/dev/ppb_ext_socket_dev.idl

Index: ppapi/api/extensions/dev/ppb_ext_socket_dev.idl
diff --git a/ppapi/api/extensions/dev/ppb_ext_socket_dev.idl b/ppapi/api/extensions/dev/ppb_ext_socket_dev.idl
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+/* Copyright (c) 2013 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.
+ */
+
+/**
+ * This file defines the Pepper equivalent of the <code>chrome.socket</code>
+ * extension API.
+ */
+
+label Chrome {
+  M28 = 0.1
+};
+
+/**
+ * A string <code>PP_Var</code> which has one of the following values:
+ * - "tcp"
+ * - "udp"
+ */
+typedef PP_Var PP_Ext_Socket_SocketType_Dev;
+
+/**
+ * A dictionary <code>PP_Var</code>.
+ */
+typedef PP_Var PP_Ext_Socket_CreateOptions_Dev;
+
+/**
+ * A dictionary <code>PP_Var</code> which contains
+ * - "socketId" : integer <code>PP_Var</code>
+ * The id of the newly created socket.
+ */
+typedef PP_Var PP_Ext_Socket_CreateInfo_Dev;
+
+/**
+ * A dictionary <code>PP_Var</code> which contains
+ * - "resultCode" : integer <code>PP_Var</code>
+ * - "socketId" : integer or undefined <code>PP_Var</code>
+ * The id of the accepted socket.
+ */
+typedef PP_Var PP_Ext_Socket_AcceptInfo_Dev;
+
+/**
+ * A dictionary <code>PP_Var</code> which contains
+ * - "resultCode" : integer <code>PP_Var</code>
+ * The resultCode returned from the underlying read() call.
+ * - "data" : array buffer <code>PP_Var</code>
+ */
+typedef PP_Var PP_Ext_Socket_ReadInfo_Dev;
+
+/**
+ * A dictionary <code>PP_Var</code> which contains
+ * - "bytesWritten" : integer <code>PP_Var</code>
+ * The number of bytes sent, or a negative error code.
+ */
+typedef PP_Var PP_Ext_Socket_WriteInfo_Dev;
+
+/**
+ * A dictionary <code>PP_Var</code> which contains
+ * - "resultCode" : integer <code>PP_Var</code>
+ * The resultCode returned from the underlying recvfrom() call.
+ * - "data": array buffer <code>PP_Var</code>
+ * - "address": string <code>PP_Var</code>
+ * The address of the remote machine.
+ * - "port": integer <code>PP_Var</code>
+ */
+typedef PP_Var PP_Ext_Socket_RecvFromInfo_Dev;
+
+/**
+ * A dictionary <code>PP_Var</code> which contains
+ * - "socketType" : string <code>PP_Var</code> which matches the description of
+ * <code>PP_Ext_Socket_SocketType_Dev</code>
+ * The type of the passed socket. This will be <code>tcp</code> or
+ * <code>udp</code>.
+ * - "connected" : boolean <code>PP_Var</code>
+ * Whether or not the underlying socket is connected.
+ *
+ * For <code>tcp</code> sockets, this will remain true even if the remote peer
+ * has disconnected. Reading or writing to the socket may then result in an
+ * error, hinting that this socket should be disconnected via
+ * <code>Disconnect()</code>.
+ *
+ * For <code>udp</code> sockets, this just represents whether a default remote
+ * address has been specified for reading and writing packets.
+ * - "peerAddress" : string or undefined <code>PP_Var</code>
+ * If the underlying socket is connected, contains the IPv4/6 address of the
+ * peer.
+ * - "peerPort" : integer or undefined <code>PP_Var</code>
+ * If the underlying socket is connected, contains the port of the connected
+ * peer.
+ * - "localAddress" : string or undefined <code>PP_Var</code>
+ * If the underlying socket is bound or connected, contains its local IPv4/6
+ * address.
+ * - "localPort" : integer or undefined <code>PP_Var</code>
+ * If the underlying socket is bound or connected, contains its local port.
+ */
+typedef PP_Var PP_Ext_Socket_SocketInfo_Dev;
+
+/**
+ * A dictionary <code>PP_Var</code> which contains
+ * - "name" : string <code>PP_Var</code>
+ * The underlying name of the adapter. On *nix, this will typically be "eth0",
+ * "lo", etc.
+ * - "address": string <code>PP_Var</code>
+ * The available IPv4/6 address.
+ */
+typedef PP_Var PP_Ext_Socket_NetworkInterface_Dev;
+
+/**
+ * An array <code>PP_Var</code> which contains elements of
+ * <code>PP_Ext_Socket_NetworkInterface_Dev</code>.
+ */
+typedef PP_Var PP_Ext_Socket_NetworkInterface_Dev_Array;
+
+interface PPB_Ext_Socket_Dev {
+  /**
+   * Creates a socket of the specified type that will connect to the specified
+   * remote machine.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] type A <code>PP_Ext_Socket_SocketType_Dev</code>. The type of
+   * socket to create. Must be <code>tcp</code> or <code>udp</code>.
+   * @param[in] options An undefined <code>PP_Var</code> or
+   * <code>PP_Ext_Socket_CreateOptions_Dev</code>. The socket options.
+   * @param[out] create_info A <code>PP_Ext_Socket_CreateInfo_Dev</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t Create(
+      [in] PP_Instance instance,
+      [in] PP_Ext_Socket_SocketType_Dev type,
+      [in] PP_Ext_Socket_CreateOptions_Dev options,
+      [out] PP_Ext_Socket_CreateInfo_Dev create_info,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Destroys the socket. Each socket created should be destroyed after use.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   */
+  void Destroy(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id);
+
+  /**
+   * Connects the socket to the remote machine (for a <code>tcp</code> socket).
+   * For a <code>udp</code> socket, this sets the default address which packets
+   * are sent to and read from for <code>Read()</code> and <code>Write()</code>
+   * calls.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[in] hostname A string <code>PP_Var</code>. The hostname or IP
+   * address of the remote machine.
+   * @param[in] port An integer <code>PP_Var</code>. The port of the remote
+   * machine.
+   * @param[out] result An integer <code>PP_Var</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t Connect(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [in] PP_Var hostname,
+      [in] PP_Var port,
+      [out] PP_Var result,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Binds the local address for socket. Currently, it does not support TCP
+   * socket.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[in] address A string <code>PP_Var</code>. The address of the local
+   * machine.
+   * @param[in] port An integer <code>PP_Var</code>. The port of the local
+   * machine.
+   * @param[out] result An integer <code>PP_Var</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t Bind(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [in] PP_Var address,
+      [in] PP_Var port,
+      [out] PP_Var result,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Disconnects the socket. For UDP sockets, <code>Disconnect</code> is a
+   * non-operation but is safe to call.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   */
+  void Disconnect(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id);
+
+  /**
+   * Reads data from the given connected socket.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[in] buffer_size An undefined or integer <code>PP_Var</code>. The
+   * read buffer size.
+   * @param[out] read_info A <code>PP_Ext_Socket_ReadInfo_Dev</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t Read(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [in] PP_Var buffer_size,
+      [out] PP_Ext_Socket_ReadInfo_Dev read_info,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Writes data on the given connected socket.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[in] data An array buffer <code>PP_Var</code>. The data to write.
+   * @param[out] write_info A <code>PP_Ext_Socket_WriteInfo_Dev</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t Write(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [in] PP_Var data,
+      [out] PP_Ext_Socket_WriteInfo_Dev write_info,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Receives data from the given UDP socket.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[in] buffer_size An undefined or integer <code>PP_Var</code>. The
+   * receive buffer size.
+   * @param[out] recv_from_info A <code>PP_Ext_Socket_RecvFromInfo_Dev</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t RecvFrom(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [in] PP_Var buffer_size,
+      [out] PP_Ext_Socket_RecvFromInfo_Dev recv_from_info,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Sends data on the given UDP socket to the given address and port.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[in] data An array buffer <code>PP_Var</code>.
+   * @param[in] address A string <code>PP_Var</code>. The address of the remote
+   * machine.
+   * @param[in] port An integer <code>PP_Var</code>. The port of the remote
+   * machine.
+   * @param[out] write_info A <code>PP_Ext_Socket_WriteInfo_Dev</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t SendTo(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [in] PP_Var data,
+      [in] PP_Var address,
+      [in] PP_Var port,
+      [out] PP_Ext_Socket_WriteInfo_Dev write_info,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * This method applies to TCP sockets only.
+   * Listens for connections on the specified port and address. This effectively
+   * makes this a server socket, and client socket functions (Connect, Read,
+   * Write) can no longer be used on this socket.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[in] address A string <code>PP_Var</code>. The address of the local
+   * machine.
+   * @param[in] port An integer <code>PP_Var</code>. The port of the local
+   * machine.
+   * @param[in] backlog An undefined or integer <code>PP_Var</code>. Length of
+   * the socket's listen queue.
+   * @param[out] result An integer <code>PP_Var</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t Listen(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [in] PP_Var address,
+      [in] PP_Var port,
+      [in] PP_Var backlog,
+      [out] PP_Var result,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * This method applies to TCP sockets only.
+   * Registers a callback function to be called when a connection is accepted on
+   * this listening server socket. Listen must be called first.
+   * If there is already an active accept callback, this callback will be
+   * invoked immediately with an error as the resultCode.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[out] accept_info A <code>PP_Ext_Socket_AcceptInfo_Dev</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t Accept(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [out] PP_Ext_Socket_AcceptInfo_Dev accept_info,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Enables or disables the keep-alive functionality for a TCP connection.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[in] enable A boolean <code>PP_Var</code>. If true, enable keep-alive
+   * functionality.
+   * @param[in] delay An undefined or integer <code>PP_Var</code>. Set the delay
+   * seconds between the last data packet received and the first keepalive
+   * probe. Default is 0.
+   * @param[out] result A boolean <code>PP_Var</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t SetKeepAlive(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [in] PP_Var enable,
+      [in] PP_Var delay,
+      [out] PP_Var result,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Sets or clears <code>TCP_NODELAY</code> for a TCP connection. Nagle's
+   * algorithm will be disabled when <code>TCP_NODELAY</code> is set.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[in] no_delay A boolean <code>PP_Var</code>.
+   * @param[out] result A boolean <code>PP_Var</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t SetNoDelay(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [in] PP_Var no_delay,
+      [out] PP_Var result,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Retrieves the state of the given socket.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[in] socket_id An integer <code>PP_Var</code>. The socket ID.
+   * @param[out] result A <code>PP_Ext_Socket_SocketInfo_Dev</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t GetInfo(
+      [in] PP_Instance instance,
+      [in] PP_Var socket_id,
+      [out] PP_Ext_Socket_SocketInfo_Dev result,
+      [in] PP_CompletionCallback callback);
+
+  /**
+   * Retrieves information about local adapters on this system.
+   *
+   * @param[in] instance A <code>PP_Instance</code>.
+   * @param[out] result A <code>PP_Ext_Socket_NetworkInterface_Dev_Array</code>.
+   * @param[in] callback A <code>PP_CompletionCallback</code> to be called
+   * upon completion.
+   *
+   * @return An error code from <code>pp_errors.h</code>.
+   */
+  int32_t GetNetworkList(
+      [in] PP_Instance instance,
+      [out] PP_Ext_Socket_NetworkInterface_Dev_Array result,
+      [in] PP_CompletionCallback callback);
+};