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Man Pages


Manual Reference Pages  -  POSIX::SOCKET (3)

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NAME

POSIX::Socket - Low-level perl interface to POSIX sockets

CONTENTS

SYNOPSIS



 use POSIX::Socket

 my $rd=_socket(AF_INET, SOCK_DGRAM, 0) or die "socket: $!\n";
 my $wr=_socket(AF_INET, SOCK_DGRAM, 0) or die "socket: $!\n";

 my $addr = sockaddr_in(0, inet_aton("127.0.0.1"));
 my $bind_rv=_bind($rd, $addr);

 _getsockname($rd, $addr);
 my ($port, $ip) = unpack_sockaddr_in($addr);
 $ip = inet_ntoa($ip);
 die "_getsockname fail!" unless $ip eq "127.0.0.1";

 my $ret_val1 = _sendto($wr, $msg, $flags, $addr);
 my $ret_val2 = _recv($rd, $buf, 8192, 0);

 _close ($rd);
 _close ($wr);



DESCRIPTION

The primary purpose of this is to use file descriptors instead of file handles for socket operations. File descriptors can be shared between threads and not need dup file handles for each threads.

I hope you enjoyed it.

    EXPORT



 $fd = _socket($socket_family, $socket_type, $protocol);

 $rv = _close($fd)

 $rv = _fcntl($fildes, $cmd, $arg);

 $rv = _bind($fd, $addr);

 $rv = _connect($fd, $addr);

 $n = _recv($fd, $buffer, $len, $flags);

 $n = _recvn($fd, $buffer, $len, $flags);

 $rv = _getsockname($fd, $addr);

 $n = _send($fd, $buffer, $flags);

 $n = _sendn($fd, $buffer, $flags);

 $n = _sendto($fd, $buf, $flags, $dest_addr);

 $n = _recvfrom($fd, $buf, $len, $flags, $sock_addr);

 $new_fd = _accept($fd);

 $rv = _listen($fd, $backlog);

 $rv = _getsockopt($fd, $level, $optname, $optval, $optlen);

 $rv = _setsockopt($fd, $level, $optname, $optval);



AUTHOR

Yury Kotlyarov yura@cpan.org

SEE ALSO

POSIX, Socket
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perl v5.20.3 POSIX::SOCKET (3) 2013-07-08

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