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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 |