1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
//******************************************************************
//
// Copyright 2014 Intel Mobile Communications GmbH All Rights Reserved.
//
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/select.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <unistd.h>
#include <fcntl.h>
#include <net/if.h>
#include <ifaddrs.h>
#include <linux/if_link.h>
#include <signal.h>
//static uint8_t MULTICAST_IP_ADDR[] = {224, 0, 1, 187};
//static uint32_t TEST_PORT_NUM = 8888;
#define MAX_BUF (1024)
uint8_t g_bfr[] = {
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA,
};
uint32_t g_bfrlen = sizeof(g_bfr);
int multicast_test(int argc, char* argv[])
{
int32_t sfd;
char loopch=0;
int set_option_on = 1;
struct sockaddr_in mcastsock = {0}, peer;
uint8_t recvbuf[MAX_BUF];
uint32_t len, bufLen, fromlen;
printf("Running multicast tests\n");
bufLen = atoi(argv[4]);
if (bufLen > g_bfrlen) {
printf("Warning: Input buffer provided too big. Trimming to supported size\n");
bufLen = g_bfrlen;
}
//Create a datagram socket on which to send.
sfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (sfd < 0) {
printf("Error in opening datagram socket");
return -1;
}
//Initialize the group sockaddr structure with a
mcastsock.sin_family = AF_INET;
mcastsock.sin_addr.s_addr = inet_addr(argv[2]);
mcastsock.sin_port = htons(atoi(argv[3]));
//Disable loopback so you do not receive your own datagrams.
if (setsockopt(sfd, IPPROTO_IP, IP_MULTICAST_LOOP,
(char *)&loopch, sizeof(loopch)) < 0) {
//printf("setting IP_MULTICAST_LOOP:");
close(sfd);
return -1;
}
//Play nice with other processes who may be listening at this
//port/IP address combination
if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, (char*) &set_option_on,
sizeof(set_option_on)) < 0) {
//printf("setting SO_REUSEADDR:");
close(sfd);
return -1;
}
if (bind(sfd, (sockaddr*)&mcastsock, sizeof(mcastsock)) < 0) {
printf("bind returns error");
close(sfd);
return -1;
}
struct ip_mreq mreq = {0};
mreq.imr_interface.s_addr = htonl(INADDR_ANY);
mreq.imr_multiaddr.s_addr = mcastsock.sin_addr.s_addr;
if ((setsockopt(sfd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char *) &mreq, sizeof(mreq))) < 0) {
printf("multicast -- adding membership failed");
close(sfd);
return -1;
}
do {
len = sendto(sfd, g_bfr, bufLen, 0,
(struct sockaddr*)&mcastsock, sizeof(mcastsock));
if (len > 0) {
printf ("Send %d bytes to %s\n", len, inet_ntoa(mcastsock.sin_addr));
}
fromlen = sizeof(peer);
len = recvfrom(sfd, recvbuf, sizeof(recvbuf), 0, (struct sockaddr*)&peer, &fromlen);
if (len > 0) {
printf("Rcvd %d bytes from %s\n", len, inet_ntoa(peer.sin_addr));
}
sleep(1);
} while (true);
close(sfd);
return 0;
}
int unicast_test(int argc, char* argv[])
{
int32_t sfd;
struct sockaddr_in sa, peer;
uint8_t recvbuf[MAX_BUF];
uint32_t len, bufLen, fromlen;
printf("Running unicast tests\n");
bufLen = atoi(argv[4]);
if (bufLen > g_bfrlen) {
printf("Warning: Input buffer provided too big. Trimming to supported size\n");
bufLen = g_bfrlen;
}
sfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (sfd < 0) {
printf("socket API ret val %d\n", sfd);
return -1;
}
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = INADDR_ANY;
sa.sin_port = htons(atoi(argv[3]));
if (bind(sfd, (struct sockaddr*)&sa, sizeof(sa)) < 0) {
printf("bin API ret val %d\n", sfd);
close(sfd);
return -1;
}
peer.sin_family = AF_INET;
inet_aton(argv[2], &peer.sin_addr);
peer.sin_port = htons(atoi(argv[3]));
do {
len = sendto(sfd, g_bfr, bufLen, 0,
(struct sockaddr*)&peer, sizeof(peer));
if (len > 0) {
printf ("Send %d bytes to %s\n", len, inet_ntoa(peer.sin_addr));
}
fromlen = sizeof(peer);
len = recvfrom(sfd, recvbuf, sizeof(recvbuf), 0, (struct sockaddr*)&peer, &fromlen);
if (len > 0) {
printf("Rcvd %d bytes from %s\n", len, inet_ntoa(peer.sin_addr));
}
sleep(1);
} while(true);
close(sfd);
return 0;
}
int main(int argc, char * argv[])
{
if (argc < 5) {
printf("Usage: sendrecv <u|m> <ipAddr 192.168.1.107 | 224.0.1.187> <portnum 8888> <pkt_size 200>\n");
return -1;
}
if (argv[1][0] == 'u') {
unicast_test(argc, argv);
} else {
multicast_test(argc, argv);
}
return 0;
}
|
