catalinux / force_bind (public) (License: GPLv3) (since 2016-03-01) (hash sha1)
Force binding on a specific IP and/or port.
Clone URLs: https://rocketgit.com/user/catalinux/force_bind ssh://rocketgit@ssh.rocketgit.com/user/catalinux/force_bind git://git.rocketgit.com/user/catalinux/force_bind
v0.1 v0.10 v0.11 v0.13 v0.14 v0.2 v0.3 v0.4 v0.5 v0.6 v0.7 v0.8 v0.9 main master release
List of commits:
Subject Hash Author Date (UTC)
Added support for multiple connections and chunk size for send_udp example. eff367aa527ed763fe525832891e0fc0df9badbb Catalin(ux) M. BOIE 2011-08-22 14:58:13
Do not count the time spent in sleep! e585e5e0b0b3ce0637674cf320a6f044afa42982 Catalin(ux) M. BOIE 2011-08-22 14:57:28
Give a real example for bandwidth enforcing. ca829bcb14183f7f5aa180bed4bf633199dc5839 Catalin(ux) M. BOIE 2011-08-22 14:57:01
Bump version to 0.7. 1a51b690a50c482c9e727b3e8e129bbc2890f600 Catalin(ux) M. BOIE 2011-06-21 17:06:25
Corrected description and license. 708b98d98bb5704f3bd265928f07cc94c18bd212 Catalin(ux) M. BOIE 2011-06-21 17:06:04
Bump version to 0.6. cb4ef5c142753802f9dcd2410d094f9914e8273c Catalin(ux) M. BOIE 2011-06-21 16:56:15
Added support for separate FORCE_ADDR for IPv4 and IPv6, MSS, TTL etc. e32e97cafe360f192283168d76c327559282e24d Catalin(ux) M. BOIE 2011-06-21 16:55:12
Added TODO to %doc rpm section. 086dbb2e078955dddf83cbfd65998334d6db81e4 Catalin(ux) M. BOIE 2010-12-19 19:46:20
Added MSS. 9a5c3676567cb92e6c0b4106c2b97cd2da2273a5 Catalin(ux) M. BOIE 2010-12-14 17:00:37
Added TOS test script. a4b1b05b27b3eaa06a4a71f656e1b80731d1b8ff Catalin(ux) M. BOIE 2010-12-14 16:55:03
Ignore Changelog-last file. 1bfa5decd11f4fd95e4b002d88e2a2e04c747855 Catalin(ux) M. BOIE 2010-12-14 16:54:36
Added KA. ec9b4556e51ca9a807400910f8ca6d698f9ad670 Catalin(ux) M. BOIE 2010-12-14 16:53:58
Bump up the version to 0.5. f7ba7f0feb49ac4942d85903d31e085f1ffa6149 Catalin(ux) M. BOIE 2010-11-07 23:16:25
Duilder updates. 4d3691f340591f68f9b0ae704da24b4352957f05 Catalin(ux) M. BOIE 2010-11-07 23:15:29
Added support to force TOS by using env var FORCE_NET_TOS. 319cfbee315a0c6889791b122fdb8069aa2ffdf1 Catalin(ux) M. BOIE 2010-11-07 23:14:23
No need for duilder_release. I will use a global one. 15a59294aa3922e58bff8aaa9de7cc06dc44fe1e Catalin(ux) M. BOIE 2010-10-27 20:43:15
TODO in. 9ea8407b8a2767debcf7597bbfc1bddfe44c78eb Catalin(ux) M. BOIE 2010-10-27 20:21:13
Typo. 2282d895e91cf2b02a7b67d933af2c68db5798b6 Catalin(ux) M. BOIE 2010-10-27 19:54:40
Aded license information to README file. fe8071fd2d9f912136fb7fa22f289ddc63cf0f14 Catalin(ux) M. BOIE 2010-10-27 19:46:48
Improved description. 1f17958175bf3f2a656a365fdafca21118737cf1 Catalin(ux) M. BOIE 2010-10-27 19:43:33
Commit eff367aa527ed763fe525832891e0fc0df9badbb - Added support for multiple connections and chunk size for send_udp example.
Author: Catalin(ux) M. BOIE
Author date (UTC): 2011-08-22 14:58
Committer name: Catalin(ux) M. BOIE
Committer date (UTC): 2011-08-22 15:06
Parent(s): e585e5e0b0b3ce0637674cf320a6f044afa42982
Signing key:
Tree: caebe74ca7f5e6791e688a4c92aa3ddfde7eafd2
File Lines added Lines deleted
send_udp.c 25 12
test_bw1.sh 1 1
test_bw2.sh 2 2
File send_udp.c changed (mode: 100644) (index 96ea103..c28fc6e)
9 9
10 10 int main(int argc, char *argv[]) int main(int argc, char *argv[])
11 11 { {
12 int sock, err;
12 int sock[10], err;
13 13 struct sockaddr_in sa; struct sockaddr_in sa;
14 14 int port = 123; int port = 123;
15 unsigned char buf[4096];
15 unsigned char buf[4096 * 100];
16 16 unsigned int bytes = 100000, rest, max; unsigned int bytes = 100000, rest, max;
17 unsigned int chunk_len = 1000;
18 unsigned int i, connections = 2;
17 19
18 sock = socket(AF_INET, SOCK_DGRAM, 0);
19 if (sock == -1) {
20 perror("socket");
21 return 1;
20 for (i = 0; i < connections; i++) {
21 sock[i] = socket(AF_INET, SOCK_DGRAM, 0);
22 if (sock[i] == -1) {
23 perror("socket");
24 return 1;
25 }
22 26 } }
23 27
24 28 if (argc >= 2) if (argc >= 2)
 
... ... int main(int argc, char *argv[])
27 31 if (argc >= 3) if (argc >= 3)
28 32 bytes = strtol(argv[2], NULL, 10); bytes = strtol(argv[2], NULL, 10);
29 33
34 if (argc >= 4)
35 chunk_len = strtol(argv[3], NULL, 10);
36
30 37 memset(&sa, 0, sizeof(struct sockaddr)); memset(&sa, 0, sizeof(struct sockaddr));
31 38 sa.sin_family = AF_INET; sa.sin_family = AF_INET;
32 39 sa.sin_port = htons(port); sa.sin_port = htons(port);
 
... ... int main(int argc, char *argv[])
39 46 max = sizeof(buf); max = sizeof(buf);
40 47 if (rest < max) if (rest < max)
41 48 max = rest; max = rest;
42 printf("Sending %u bytes...\n", max);
43 err = sendto(sock, buf, max, 0, (struct sockaddr *) &sa, sizeof(sa));
44 if (err == -1) {
45 perror("sendto");
46 break;
49 if (max > chunk_len)
50 max = chunk_len;
51
52 for (i = 0; i < connections; i++) {
53 printf("Sending %u bytes to connection %u...\n", max, i);
54 err = sendto(sock[i], buf, max, 0, (struct sockaddr *) &sa, sizeof(sa));
55 if (err == -1) {
56 perror("sendto");
57 break;
58 }
47 59 } }
48 60
49 61 rest -= err; rest -= err;
50 62 } }
51 63
52 close(sock);
64 for (i = 0; i < connections; i++)
65 close(sock[i]);
53 66
54 67 return 0; return 0;
55 68 } }
File test_bw1.sh changed (mode: 100755) (index 9a925f2..964f25f)
4 4
5 5 ulimit -c2000000 ulimit -c2000000
6 6
7 export FORCE_NET_BW="1000"
7 export FORCE_NET_BW=1000
8 8
9 9 export LD_PRELOAD="${LD_PRELOAD}:./force_bind.so" export LD_PRELOAD="${LD_PRELOAD}:./force_bind.so"
10 10
File test_bw2.sh changed (mode: 100755) (index 6fda450..484f101)
1 1 #!/bin/sh #!/bin/sh
2 2
3 # Test bandwidth limiting
3 # Test bandwidth limiting, per socket, with 2 connections
4 4
5 5 ulimit -c2000000 ulimit -c2000000
6 6
7 export FORCE_NET_BW_PER_SOCKET="1000"
7 export FORCE_NET_BW_PER_SOCKET=1000
8 8
9 9 export LD_PRELOAD="${LD_PRELOAD}:./force_bind.so" export LD_PRELOAD="${LD_PRELOAD}:./force_bind.so"
10 10
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