| 1 | /** @file\r |
| 2 | Raw IP4 transmit application\r |
| 3 | \r |
| 4 | Copyright (c) 2011, Intel Corporation\r |
| 5 | All rights reserved. This program and the accompanying materials\r |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r |
| 7 | which accompanies this distribution. The full text of the license may be found at\r |
| 8 | http://opensource.org/licenses/bsd-license.php\r |
| 9 | \r |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 12 | \r |
| 13 | **/\r |
| 14 | \r |
| 15 | #include "RawIp4Tx.h"\r |
| 16 | \r |
| 17 | UINT8 mBuffer[1024];\r |
| 18 | \r |
| 19 | /**\r |
| 20 | Transmit raw IP4 packets to the remote system.\r |
| 21 | \r |
| 22 | @param [in] ArgC Argument count\r |
| 23 | @param [in] ArgV Argument value array\r |
| 24 | \r |
| 25 | @retval 0 Successfully operation\r |
| 26 | **/\r |
| 27 | \r |
| 28 | int\r |
| 29 | RawIp4Tx (\r |
| 30 | IN int ArgC,\r |
| 31 | IN char **ArgV\r |
| 32 | )\r |
| 33 | {\r |
| 34 | UINT32 BytesSent;\r |
| 35 | ssize_t BytesTransmitted;\r |
| 36 | struct sockaddr_in LocalPort;\r |
| 37 | UINT32 RemoteAddress[4];\r |
| 38 | struct sockaddr_in RemotePort;\r |
| 39 | int RetVal;\r |
| 40 | UINT32 TotalSent;\r |
| 41 | SOCKET s;\r |
| 42 | \r |
| 43 | //\r |
| 44 | // Create the socket\r |
| 45 | //\r |
| 46 | s = socket ( AF_INET, SOCK_RAW, RAW_PROTOCOL );\r |
| 47 | if ( -1 == s ) {\r |
| 48 | RetVal = GET_ERRNO;\r |
| 49 | printf ( "ERROR - socket error, errno: %d\r\n", RetVal );\r |
| 50 | }\r |
| 51 | else {\r |
| 52 | //\r |
| 53 | // Use for/break; instead of goto\r |
| 54 | //\r |
| 55 | for ( ; ; ) {\r |
| 56 | //\r |
| 57 | // Validate the arguments\r |
| 58 | //\r |
| 59 | if (( 2 > ArgC )\r |
| 60 | || ( 4 != sscanf ( ArgV[1],\r |
| 61 | "%d.%d.%d.%d",\r |
| 62 | &RemoteAddress[0],\r |
| 63 | &RemoteAddress[1],\r |
| 64 | &RemoteAddress[2],\r |
| 65 | &RemoteAddress[3]))\r |
| 66 | || ( 224 < RemoteAddress[0])\r |
| 67 | || ( 255 < RemoteAddress[1])\r |
| 68 | || ( 255 < RemoteAddress[2])\r |
| 69 | || ( 255 < RemoteAddress[3])\r |
| 70 | || (( 0 == RemoteAddress[0])\r |
| 71 | && ( 0 == RemoteAddress[1])\r |
| 72 | && ( 0 == RemoteAddress[2])\r |
| 73 | && ( 0 == RemoteAddress[3]))) {\r |
| 74 | printf ( "%s <remote IP address>\r\n", ArgV[0]);\r |
| 75 | RetVal = EINVAL;\r |
| 76 | break;\r |
| 77 | }\r |
| 78 | \r |
| 79 | //\r |
| 80 | // Bind the socket to a local port\r |
| 81 | //\r |
| 82 | memset ( &LocalPort, 0, sizeof ( LocalPort ));\r |
| 83 | SIN_LEN ( LocalPort ) = sizeof ( LocalPort );\r |
| 84 | SIN_FAMILY ( LocalPort ) = AF_INET;\r |
| 85 | SIN_ADDR ( LocalPort ) = 0;\r |
| 86 | SIN_PORT ( LocalPort ) = 0;\r |
| 87 | RetVal = bind ( s,\r |
| 88 | (struct sockaddr *)&LocalPort,\r |
| 89 | sizeof ( LocalPort ));\r |
| 90 | if ( -1 == RetVal ) {\r |
| 91 | RetVal = GET_ERRNO;\r |
| 92 | printf ( "ERROR - bind error, errno: %d\r\n", RetVal );\r |
| 93 | break;\r |
| 94 | }\r |
| 95 | \r |
| 96 | //\r |
| 97 | // Specify the remote port\r |
| 98 | //\r |
| 99 | memset ( &RemotePort, 0, sizeof ( RemotePort ));\r |
| 100 | SIN_LEN ( RemotePort ) = sizeof ( RemotePort );\r |
| 101 | SIN_FAMILY ( RemotePort ) = AF_INET;\r |
| 102 | SIN_ADDR ( RemotePort ) = ( RemoteAddress[3] << 24 )\r |
| 103 | | ( RemoteAddress[2] << 16 )\r |
| 104 | | ( RemoteAddress[1] << 8 )\r |
| 105 | | RemoteAddress[0];\r |
| 106 | SIN_PORT ( RemotePort ) = 0;\r |
| 107 | \r |
| 108 | //\r |
| 109 | // Initialize the messages\r |
| 110 | //\r |
| 111 | memset ( &mBuffer[0], 0, sizeof ( mBuffer ));\r |
| 112 | \r |
| 113 | //\r |
| 114 | // Send the data before the out-of-band message\r |
| 115 | //\r |
| 116 | TotalSent = 0;\r |
| 117 | BytesSent = 0;\r |
| 118 | do {\r |
| 119 | BytesTransmitted = sendto ( s,\r |
| 120 | &mBuffer[BytesSent],\r |
| 121 | sizeof ( mBuffer ) - BytesSent,\r |
| 122 | 0,\r |
| 123 | (struct sockaddr *)&RemotePort,\r |
| 124 | sizeof ( RemotePort ));\r |
| 125 | if ( -1 == BytesTransmitted ) {\r |
| 126 | RetVal = GET_ERRNO;\r |
| 127 | printf ( "ERROR - send before error, errno: %d\r\n", RetVal );\r |
| 128 | break;\r |
| 129 | }\r |
| 130 | BytesSent += (UINT32)BytesTransmitted;\r |
| 131 | RetVal = 0;\r |
| 132 | } while ( sizeof ( mBuffer ) > BytesSent );\r |
| 133 | if ( 0 != RetVal ) {\r |
| 134 | break;\r |
| 135 | }\r |
| 136 | TotalSent += BytesSent;\r |
| 137 | \r |
| 138 | //\r |
| 139 | // Test completed successfully\r |
| 140 | //\r |
| 141 | if ( 0 == RetVal ) {\r |
| 142 | printf ( "Bytes sent: %8d\r\n", TotalSent );\r |
| 143 | }\r |
| 144 | break;\r |
| 145 | }\r |
| 146 | \r |
| 147 | //\r |
| 148 | // Close the socket\r |
| 149 | //\r |
| 150 | CLOSE_SOCKET ( s );\r |
| 151 | }\r |
| 152 | \r |
| 153 | //\r |
| 154 | // Return the operation status\r |
| 155 | //\r |
| 156 | return RetVal;\r |
| 157 | }\r |