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Answer: Checking if remote exists before calling send

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Q&A > network programming > Checking if remote exists before calling send contributed by rasta

I can advice you two solutions:

1. Use SO_KEEPALIVE socket option like in the following example:
use IO::Socket; my $sock = IO::Socket::INET->new('some_server'); $sock->read(1024,$data) until $sock->atmark;
2. You may use NetPacket::ICMP to check if remote host is alive.

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