Introduce PPB_TCPSocket_Dev.

This change exposes the PPB_TCPSocket_Dev interface and makes it to share the same backend as PPB_TCPSocket_Private.

It doesn't include:
- apps permission check;
- TCP socket options that PPB_TCPSocket_Private doesn't support.
These will be implemented in separate CLs.

BUG=247225
TEST=newly added test_tcp_socket.{h,cc}.

Review URL: https://chromiumcodereview.appspot.com/16667002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@206014 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 136 insertions, 0 deletions

diff --git a/ppapi/c/dev/ppb_tcp_socket_dev.h b/ppapi/c/dev/ppb_tcp_socket_dev.h
new file mode 100644
index 0000000..d59bc31
--- /dev/null
+++ b/ppapi/c/dev/ppb_tcp_socket_dev.h
@@ -0,0 +1,136 @@
+/* Copyright 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.
+ */
+
+/* From dev/ppb_tcp_socket_dev.idl modified Wed Jun 12 11:16:37 2013. */
+
+#ifndef PPAPI_C_DEV_PPB_TCP_SOCKET_DEV_H_
+#define PPAPI_C_DEV_PPB_TCP_SOCKET_DEV_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"
+
+#define PPB_TCPSOCKET_DEV_INTERFACE_0_1 "PPB_TCPSocket(Dev);0.1"
+#define PPB_TCPSOCKET_DEV_INTERFACE PPB_TCPSOCKET_DEV_INTERFACE_0_1
+
+/**
+ * @file
+ * This file defines the <code>PPB_TCPSocket_Dev</code> interface.
+ */
+
+
+/**
+ * @addtogroup Enums
+ * @{
+ */
+typedef enum {
+  /* Disables coalescing of small writes to make TCP segments, and instead
+   * deliver data immediately. Value type is PP_VARTYPE_BOOL. */
+  PP_TCPSOCKET_OPTION_NO_DELAY = 0,
+  /* Specifies the socket send buffer in bytes. Value's type should be
+   * PP_VARTYPE_INT32.
+   * Note: This is only treated as a hint for the browser to set the buffer
+   * size. Even if SetOption() reports that this option has been successfully
+   * set, the browser doesn't guarantee to conform to it. */
+  PP_TCPSOCKET_OPTION_SEND_BUFFER_SIZE = 1,
+  /* Specifies the socket receive buffer in bytes. Value's type should be
+   * PP_VARTYPE_INT32.
+   * Note: This is only treated as a hint for the browser to set the buffer
+   * size. Even if SetOption() reports that this option has been successfully
+   * set, the browser doesn't guarantee to conform to it. */
+  PP_TCPSOCKET_OPTION_RECV_BUFFER_SIZE = 2
+} PP_TCPSocket_Option_Dev;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_TCPSocket_Option_Dev, 4);
+/**
+ * @}
+ */
+
+/**
+ * @addtogroup Interfaces
+ * @{
+ */
+/**
+ * The <code>PPB_TCPSocket_Dev</code> interface provides TCP socket operations.
+ */
+struct PPB_TCPSocket_Dev_0_1 {
+  /**
+   * Allocates a TCP socket resource.
+   */
+  PP_Resource (*Create)(PP_Instance instance);
+  /**
+   * Determines if a given resource is TCP socket.
+   */
+  PP_Bool (*IsTCPSocket)(PP_Resource resource);
+  /**
+   * Connects to an address given by |addr|, which is a PPB_NetAddress_Dev
+   * resource.
+   */
+  int32_t (*Connect)(PP_Resource tcp_socket,
+                     PP_Resource addr,
+                     struct PP_CompletionCallback callback);
+  /**
+   * Gets the local address of the socket, if it has been connected.
+   * Returns a PPB_NetAddress_Dev resource on success; returns 0 on failure.
+   */
+  PP_Resource (*GetLocalAddress)(PP_Resource tcp_socket);
+  /**
+   * Gets the remote address of the socket, if it has been connected.
+   * Returns a PPB_NetAddress_Dev resource on success; returns 0 on failure.
+   */
+  PP_Resource (*GetRemoteAddress)(PP_Resource tcp_socket);
+  /**
+   * Reads data from the socket. The size of |buffer| must be at least as large
+   * as |bytes_to_read|. May perform a partial read. Returns the number of bytes
+   * read or an error code. If the return value is 0, then it indicates that
+   * end-of-file was reached.
+   *
+   * Multiple outstanding read requests are not supported.
+   */
+  int32_t (*Read)(PP_Resource tcp_socket,
+                  char* buffer,
+                  int32_t bytes_to_read,
+                  struct PP_CompletionCallback callback);
+  /**
+   * Writes data to the socket. May perform a partial write. Returns the number
+   * of bytes written or an error code.
+   *
+   * Multiple outstanding write requests are not supported.
+   */
+  int32_t (*Write)(PP_Resource tcp_socket,
+                   const char* buffer,
+                   int32_t bytes_to_write,
+                   struct PP_CompletionCallback callback);
+  /**
+   * Cancels any IO that may be pending, and disconnects the socket. Any pending
+   * callbacks will still run, reporting PP_ERROR_ABORTED if pending IO was
+   * interrupted. It is NOT valid to call Connect() again after a call to this
+   * method. Note: If the socket is destroyed when it is still connected, then
+   * it will be implicitly disconnected, so you are not required to call this
+   * method.
+   */
+  void (*Close)(PP_Resource tcp_socket);
+  /**
+   * Sets an option on |tcp_socket|.  Supported |name| and |value| parameters
+   * are as described for PP_TCPSocketOption_Dev.  |callback| will be
+   * invoked with PP_OK if setting the option succeeds, or an error code
+   * otherwise. The socket must be connected before SetOption is called.
+   */
+  int32_t (*SetOption)(PP_Resource tcp_socket,
+                       PP_TCPSocket_Option_Dev name,
+                       struct PP_Var value,
+                       struct PP_CompletionCallback callback);
+};
+
+typedef struct PPB_TCPSocket_Dev_0_1 PPB_TCPSocket_Dev;
+/**
+ * @}
+ */
+
+#endif  /* PPAPI_C_DEV_PPB_TCP_SOCKET_DEV_H_ */
+