该服务器工作正常,但如果我这样做
bash$ (echo -n "abcd" ;sleep 50 ; echo "efgh") |数控本地主机 9090
服务器阻塞 50 秒。在我的完整代码中,我有不止一个IO::Select::INET
。我有另一个套接字侦听其他端口(1234),当服务器因睡眠而阻塞时,我无法处理该端口中的任何内容。我尝试改变getline
by getc
但我只读了第一个字母“a”,它就阻塞了。
有人可以帮助我吗?
use common::sense;
use IO::Select;
use IO::Socket;
use constant PORT1 => 9090;
use constant TIMEOUT => 1;
my $event_socket = new IO::Socket::INET(Listen => 1, LocalPort => PORT1, ReuseAddr => 1)
or die "Can't bind event_socket: $@\n";
my $sel = IO::Select->new;
$sel->add($event_socket);
my $event_emiter = undef;
while(1){
foreach my $sock (my @ready = $sel->can_read(TIMEOUT)) {
if ($sock == $event_socket) {
my $new = $event_socket->accept;
binmode($new, ":encoding(UTF-8)");
$sel->add($new);
$event_emiter=$new;
warn "[event socket] connect from ",$new->peerhost, "\n";
} elsif ($sock == $event_emiter) {
unless($sock->eof){
my $recv_data = $sock->getline;
warn "[event socket] LOL '$recv_data'\n";
} else {
$sel->remove($sock);
$sock->close;
$event_emiter = undef;
warn "[socket] disconnect\n";
}
} else {
$sel->remove($sock);
$sock->close;
warn "[socket] disconnect\n";
}
}
}
您不是读取可用数据,而是一直读取到换行符为止。总是使用sysread
.
Change
elsif ($sock == $event_emiter) {
unless($sock->eof){
my $recv_data = $sock->getline;
warn "[event socket] LOL '$recv_data'\n";
} else {
$sel->remove($sock);
$sock->close;
$event_emiter = undef;
warn "[socket] disconnect\n";
}
}
to
elsif ($sock == $event_emiter) {
our $buf; local *buf = \$bufs{$fh}; # alias $buf = $bufs{$fh};
my $rv = sysread($fh, $buf, 64*1024, length($buf));
if (!$rv) {
if (defined($rv)) { # EOF
# ... Handle anything left in $buf ...
} else { # Error
# ... Handle error ...
}
delete $bufs{$fh};
$sel->remove($sock);
$sock->close;
$event_emiter = undef;
warn "[socket] disconnect\n";
next;
}
while ($buf =~ s/^(.*)\n//) {
warn "[event socket] LOL '$1'\n";
}
}
And add my %bufs;
在选择循环之外。
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