59bc0593 |
1 | /** @file\r |
2 | Raw IP4 transmit application\r |
3 | \r |
9f7f5161 |
4 | Copyright (c) 2011-2012, Intel Corporation\r |
59bc0593 |
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 |