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Comparing AnyEvent-FastPing/README (file contents):
Revision 1.7 by root, Tue Nov 17 21:38:07 2009 UTC vs.
Revision 1.8 by root, Wed Apr 7 14:13:16 2010 UTC

99 greater efficiency). Each packet is represented by an arrayref with 99 greater efficiency). Each packet is represented by an arrayref with
100 three members: the source address (an octet string of either 4 100 three members: the source address (an octet string of either 4
101 (IPv4) or 16 (IPv6) octets length), the payload as passed to 101 (IPv4) or 16 (IPv6) octets length), the payload as passed to
102 "icmp_ping" and the round trip time in seconds. 102 "icmp_ping" and the round trip time in seconds.
103 103
104 Example: register a callback which simply dumps the received data.
105 Since the coderef is created on the fly via sub, it would be hard to
106 unregister this callback again :)
107
108 AnyEvent::FastPing::register_cb sub {
109 for (@{$_[0]}) {
110 printf "%s %d %g\n",
111 (4 == length $_->[0] ? inet_ntoa $_->[0] : Socket6::inet_ntop (&AF_INET6, $_->[0])),
112 $_->[2],
113 $_->[1];
114 }
115 };
116
104 Example: a single ping reply with payload of 1 from "::1" gets 117 Example: a single ping reply with payload of 1 from "::1" gets
105 passed like this: 118 passed like this:
106 119
107 [ [ 120 [ [
108 "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1", 121 "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1",

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