Add Socket Library applications.

Modify AppPkg.dsc file to include StdLib.inc which contains the Boilerplate text for Standard Library based Applications.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12062 6f19259b-4bc3-4df7-8a09-765794883524

AppPkg/Applications/Sockets/RecvDgram/RecvDgram.c

@@ -0,0 +1,116 @@
+/** @file
+  Receive a datagram
+
+  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 <errno.h>
+#include <string.h>
+#include <Uefi.h>
+#include <unistd.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiLib.h>
+
+#include <netinet/in.h>
+
+#include <sys/socket.h>
+#include <sys/time.h>
+
+UINT8 mBuffer [ 65536 ];
+
+/**
+  Receive a datagram
+
+  @param [in] Argc  The number of arguments
+  @param [in] Argv  The argument value array
+
+  @retval  0        The application exited normally.
+  @retval  Other    An error occurred.
+**/
+int
+main (
+  IN int Argc,
+  IN char **Argv
+  )
+{
+  struct sockaddr_in Address;
+  socklen_t AddressLength;
+  ssize_t LengthInBytes;
+  int s;
+  int Status;
+  struct timeval Timeout;
+  
+
+  DEBUG (( DEBUG_INFO,
+            "%a starting\r\n",
+            Argv[0]));
+
+  //
+  //  Get the socket
+  //
+  s = socket ( AF_INET, SOCK_DGRAM, 0 );
+  if ( -1 == s ) {
+    Print ( L"ERROR - Unable to open the socket, errno: %d\r\n", errno );
+  }
+  else {
+    Timeout.tv_sec = 5;
+    Timeout.tv_usec = 0;
+    Status = setsockopt ( s,
+                          SOL_SOCKET,
+                          SO_RCVTIMEO,
+                          &Timeout,
+                          sizeof ( Timeout ));
+    if ( -1 == Status ) {
+      Print ( L"ERROR - Unable to set the receive timeout, errno: %d\r\n", errno );
+    }
+    else {
+      AddressLength = sizeof ( Address );
+      LengthInBytes = recvfrom ( s,
+                                 &mBuffer[0],
+                                 sizeof ( mBuffer[0]),
+                                 0,
+                                 (struct sockaddr *)&Address,
+                                 &AddressLength );
+      if ( -1 == LengthInBytes ) {
+        if ( ETIMEDOUT == errno ) {
+          Print ( L"No datagram received\r\n" );
+        }
+        else {
+          Print ( L"ERROR - No datagram received, errno: %d\r\n", errno );
+        }
+      }
+      else {
+        Print ( L"Received %d bytes from %d.%d.%d.%d:%d\r\n",
+                LengthInBytes,
+                (UINT8)Address.sin_addr.s_addr,
+                (UINT8)( Address.sin_addr.s_addr >> 8 ),
+                (UINT8)( Address.sin_addr.s_addr >> 16 ),
+                (UINT8)( Address.sin_addr.s_addr >> 24 ),
+                htons ( Address.sin_port ));
+      }
+    }
+
+    //
+    //  Done with the socket
+    //
+    close ( s );
+  }
+
+  //
+  //  All done
+  //
+  DEBUG (( DEBUG_INFO,
+            "%a exiting, errno: %d\r\n",
+            Argv[0],
+            errno ));
+  return errno;
+}