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-rw-r--r--StdLib/BsdSocketLib/send.c97
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diff --git a/StdLib/BsdSocketLib/send.c b/StdLib/BsdSocketLib/send.c
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+/** @file
+ Implement the send API.
+
+ Copyright (c) 2011, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <SocketInternals.h>
+
+
+/**
+ Send data using a network connection.
+
+ The ::send routine queues data to the network for transmission.
+ The
+ <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/send.html">POSIX</a>
+ documentation is available online.
+
+ @param [in] s Socket file descriptor returned from ::socket.
+
+ @param [in] buffer Address of a buffer containing the data to send.
+
+ @param [in] length Length of the buffer in bytes.
+
+ @param [in] flags Message control flags
+
+ @returns ::send returns the number of data bytes that were
+ sent and -1 when an error occurs. In the case of
+ an error, errno contains more details.
+
+ **/
+ssize_t
+send (
+ int s,
+ CONST void * buffer,
+ size_t length,
+ int flags
+ )
+{
+ ssize_t LengthInBytes;
+ CONST UINT8 * pData;
+ struct __filedes * pDescriptor;
+ EFI_SOCKET_PROTOCOL * pSocketProtocol;
+ EFI_STATUS Status;
+
+ //
+ // Assume failure
+ //
+ LengthInBytes = -1;
+
+ //
+ // Locate the context for this socket
+ //
+ pSocketProtocol = BslFdToSocketProtocol ( s,
+ &pDescriptor,
+ &errno );
+ if ( NULL != pSocketProtocol ) {
+ //
+ // Send the data using the socket
+ //
+ pData = buffer;
+ do {
+ errno = 0;
+ Status = pSocketProtocol->pfnSend ( pSocketProtocol,
+ flags,
+ length,
+ pData,
+ (size_t *)&LengthInBytes,
+ NULL,
+ 0,
+ &errno );
+ if ( EFI_ERROR ( Status )) {
+ LengthInBytes = -1;
+ break;
+ }
+
+ //
+ // Account for the data sent
+ //
+ pData += LengthInBytes;
+ length -= LengthInBytes;
+ // TODO: Add non-blocking check
+ } while (( 0 != length ) && ( EFI_NOT_READY == Status ));
+ }
+
+ //
+ // Return the number of data bytes sent, -1 for errors
+ //
+ return (INT32)LengthInBytes;
+}