… | |
… | |
11 | |
11 | |
12 | my $hdl; $hdl = new AnyEvent::Handle |
12 | my $hdl; $hdl = new AnyEvent::Handle |
13 | fh => \*STDIN, |
13 | fh => \*STDIN, |
14 | on_error => sub { |
14 | on_error => sub { |
15 | my ($hdl, $fatal, $msg) = @_; |
15 | my ($hdl, $fatal, $msg) = @_; |
16 | warn "got error $msg\n"; |
16 | AE::log warn => "got error $msg\n"; |
17 | $hdl->destroy; |
17 | $hdl->destroy; |
18 | $cv->send; |
18 | $cv->send; |
19 | }; |
19 | }; |
20 | |
20 | |
21 | # send some request line |
21 | # send some request line |
22 | $hdl->push_write ("getinfo\015\012"); |
22 | $hdl->push_write ("getinfo\015\012"); |
23 | |
23 | |
24 | # read the response line |
24 | # read the response line |
25 | $hdl->push_read (line => sub { |
25 | $hdl->push_read (line => sub { |
26 | my ($hdl, $line) = @_; |
26 | my ($hdl, $line) = @_; |
27 | warn "got line <$line>\n"; |
27 | AE::log warn => "got line <$line>\n"; |
28 | $cv->send; |
28 | $cv->send; |
29 | }); |
29 | }); |
30 | |
30 | |
31 | $cv->recv; |
31 | $cv->recv; |
32 | |
32 | |
… | |
… | |
359 | already have occured on BSD systems), but at least it will protect you |
359 | already have occured on BSD systems), but at least it will protect you |
360 | from most attacks. |
360 | from most attacks. |
361 | |
361 | |
362 | =item read_size => <bytes> |
362 | =item read_size => <bytes> |
363 | |
363 | |
364 | The initial read block size, the number of bytes this module will try to |
364 | The initial read block size, the number of bytes this module will try |
365 | read during each loop iteration. Each handle object will consume at least |
365 | to read during each loop iteration. Each handle object will consume |
366 | this amount of memory for the read buffer as well, so when handling many |
366 | at least this amount of memory for the read buffer as well, so when |
367 | connections requirements). See also C<max_read_size>. Default: C<2048>. |
367 | handling many connections watch out for memory requirements). See also |
|
|
368 | C<max_read_size>. Default: C<2048>. |
368 | |
369 | |
369 | =item max_read_size => <bytes> |
370 | =item max_read_size => <bytes> |
370 | |
371 | |
371 | The maximum read buffer size used by the dynamic adjustment |
372 | The maximum read buffer size used by the dynamic adjustment |
372 | algorithm: Each time AnyEvent::Handle can read C<read_size> bytes in |
373 | algorithm: Each time AnyEvent::Handle can read C<read_size> bytes in |
… | |
… | |
1431 | data. |
1432 | data. |
1432 | |
1433 | |
1433 | Example: read 2 bytes. |
1434 | Example: read 2 bytes. |
1434 | |
1435 | |
1435 | $handle->push_read (chunk => 2, sub { |
1436 | $handle->push_read (chunk => 2, sub { |
1436 | warn "yay ", unpack "H*", $_[1]; |
1437 | AE::log debug => "yay " . unpack "H*", $_[1]; |
1437 | }); |
1438 | }); |
1438 | |
1439 | |
1439 | =cut |
1440 | =cut |
1440 | |
1441 | |
1441 | register_read_type chunk => sub { |
1442 | register_read_type chunk => sub { |
… | |
… | |
1543 | |
1544 | |
1544 | sub { |
1545 | sub { |
1545 | # accept |
1546 | # accept |
1546 | if ($$rbuf =~ $accept) { |
1547 | if ($$rbuf =~ $accept) { |
1547 | $data .= substr $$rbuf, 0, $+[0], ""; |
1548 | $data .= substr $$rbuf, 0, $+[0], ""; |
1548 | $cb->($self, $data); |
1549 | $cb->($_[0], $data); |
1549 | return 1; |
1550 | return 1; |
1550 | } |
1551 | } |
1551 | |
1552 | |
1552 | # reject |
1553 | # reject |
1553 | if ($reject && $$rbuf =~ $reject) { |
1554 | if ($reject && $$rbuf =~ $reject) { |
1554 | $self->_error (Errno::EBADMSG); |
1555 | $_[0]->_error (Errno::EBADMSG); |
1555 | } |
1556 | } |
1556 | |
1557 | |
1557 | # skip |
1558 | # skip |
1558 | if ($skip && $$rbuf =~ $skip) { |
1559 | if ($skip && $$rbuf =~ $skip) { |
1559 | $data .= substr $$rbuf, 0, $+[0], ""; |
1560 | $data .= substr $$rbuf, 0, $+[0], ""; |
… | |
… | |
1575 | my ($self, $cb) = @_; |
1576 | my ($self, $cb) = @_; |
1576 | |
1577 | |
1577 | sub { |
1578 | sub { |
1578 | unless ($_[0]{rbuf} =~ s/^(0|[1-9][0-9]*)://) { |
1579 | unless ($_[0]{rbuf} =~ s/^(0|[1-9][0-9]*)://) { |
1579 | if ($_[0]{rbuf} =~ /[^0-9]/) { |
1580 | if ($_[0]{rbuf} =~ /[^0-9]/) { |
1580 | $self->_error (Errno::EBADMSG); |
1581 | $_[0]->_error (Errno::EBADMSG); |
1581 | } |
1582 | } |
1582 | return; |
1583 | return; |
1583 | } |
1584 | } |
1584 | |
1585 | |
1585 | my $len = $1; |
1586 | my $len = $1; |
1586 | |
1587 | |
1587 | $self->unshift_read (chunk => $len, sub { |
1588 | $_[0]->unshift_read (chunk => $len, sub { |
1588 | my $string = $_[1]; |
1589 | my $string = $_[1]; |
1589 | $_[0]->unshift_read (chunk => 1, sub { |
1590 | $_[0]->unshift_read (chunk => 1, sub { |
1590 | if ($_[1] eq ",") { |
1591 | if ($_[1] eq ",") { |
1591 | $cb->($_[0], $string); |
1592 | $cb->($_[0], $string); |
1592 | } else { |
1593 | } else { |
1593 | $self->_error (Errno::EBADMSG); |
1594 | $_[0]->_error (Errno::EBADMSG); |
1594 | } |
1595 | } |
1595 | }); |
1596 | }); |
1596 | }); |
1597 | }); |
1597 | |
1598 | |
1598 | 1 |
1599 | 1 |
… | |
… | |
1671 | |
1672 | |
1672 | my $data; |
1673 | my $data; |
1673 | my $rbuf = \$self->{rbuf}; |
1674 | my $rbuf = \$self->{rbuf}; |
1674 | |
1675 | |
1675 | sub { |
1676 | sub { |
1676 | my $ref = eval { $json->incr_parse ($self->{rbuf}) }; |
1677 | my $ref = eval { $json->incr_parse ($_[0]{rbuf}) }; |
1677 | |
1678 | |
1678 | if ($ref) { |
1679 | if ($ref) { |
1679 | $self->{rbuf} = $json->incr_text; |
1680 | $_[0]{rbuf} = $json->incr_text; |
1680 | $json->incr_text = ""; |
1681 | $json->incr_text = ""; |
1681 | $cb->($self, $ref); |
1682 | $cb->($_[0], $ref); |
1682 | |
1683 | |
1683 | 1 |
1684 | 1 |
1684 | } elsif ($@) { |
1685 | } elsif ($@) { |
1685 | # error case |
1686 | # error case |
1686 | $json->incr_skip; |
1687 | $json->incr_skip; |
1687 | |
1688 | |
1688 | $self->{rbuf} = $json->incr_text; |
1689 | $_[0]{rbuf} = $json->incr_text; |
1689 | $json->incr_text = ""; |
1690 | $json->incr_text = ""; |
1690 | |
1691 | |
1691 | $self->_error (Errno::EBADMSG); |
1692 | $_[0]->_error (Errno::EBADMSG); |
1692 | |
1693 | |
1693 | () |
1694 | () |
1694 | } else { |
1695 | } else { |
1695 | $self->{rbuf} = ""; |
1696 | $_[0]{rbuf} = ""; |
1696 | |
1697 | |
1697 | () |
1698 | () |
1698 | } |
1699 | } |
1699 | } |
1700 | } |
1700 | }; |
1701 | }; |
… | |
… | |
1733 | # read remaining chunk |
1734 | # read remaining chunk |
1734 | $_[0]->unshift_read (chunk => $len, sub { |
1735 | $_[0]->unshift_read (chunk => $len, sub { |
1735 | if (my $ref = eval { Storable::thaw ($_[1]) }) { |
1736 | if (my $ref = eval { Storable::thaw ($_[1]) }) { |
1736 | $cb->($_[0], $ref); |
1737 | $cb->($_[0], $ref); |
1737 | } else { |
1738 | } else { |
1738 | $self->_error (Errno::EBADMSG); |
1739 | $_[0]->_error (Errno::EBADMSG); |
1739 | } |
1740 | } |
1740 | }); |
1741 | }); |
1741 | } |
1742 | } |
1742 | |
1743 | |
1743 | 1 |
1744 | 1 |
… | |
… | |
2010 | Net::SSLeay::CTX_set_mode ($tls, 1|2); |
2011 | Net::SSLeay::CTX_set_mode ($tls, 1|2); |
2011 | |
2012 | |
2012 | $self->{_rbio} = Net::SSLeay::BIO_new (Net::SSLeay::BIO_s_mem ()); |
2013 | $self->{_rbio} = Net::SSLeay::BIO_new (Net::SSLeay::BIO_s_mem ()); |
2013 | $self->{_wbio} = Net::SSLeay::BIO_new (Net::SSLeay::BIO_s_mem ()); |
2014 | $self->{_wbio} = Net::SSLeay::BIO_new (Net::SSLeay::BIO_s_mem ()); |
2014 | |
2015 | |
2015 | Net::SSLeay::BIO_write ($self->{_rbio}, delete $self->{rbuf}); |
2016 | Net::SSLeay::BIO_write ($self->{_rbio}, $self->{rbuf}); |
|
|
2017 | $self->{rbuf} = ""; |
2016 | |
2018 | |
2017 | Net::SSLeay::set_bio ($tls, $self->{_rbio}, $self->{_wbio}); |
2019 | Net::SSLeay::set_bio ($tls, $self->{_rbio}, $self->{_wbio}); |
2018 | |
2020 | |
2019 | $self->{_on_starttls} = sub { $_[0]{on_starttls}(@_) } |
2021 | $self->{_on_starttls} = sub { $_[0]{on_starttls}(@_) } |
2020 | if $self->{on_starttls}; |
2022 | if $self->{on_starttls}; |
… | |
… | |
2305 | $handle->on_eof (undef); |
2307 | $handle->on_eof (undef); |
2306 | $handle->on_error (sub { |
2308 | $handle->on_error (sub { |
2307 | my $data = delete $_[0]{rbuf}; |
2309 | my $data = delete $_[0]{rbuf}; |
2308 | }); |
2310 | }); |
2309 | |
2311 | |
|
|
2312 | Note that this example removes the C<rbuf> member from the handle object, |
|
|
2313 | which is not normally allowed by the API. It is expressly permitted in |
|
|
2314 | this case only, as the handle object needs to be destroyed afterwards. |
|
|
2315 | |
2310 | The reason to use C<on_error> is that TCP connections, due to latencies |
2316 | The reason to use C<on_error> is that TCP connections, due to latencies |
2311 | and packets loss, might get closed quite violently with an error, when in |
2317 | and packets loss, might get closed quite violently with an error, when in |
2312 | fact all data has been received. |
2318 | fact all data has been received. |
2313 | |
2319 | |
2314 | It is usually better to use acknowledgements when transferring data, |
2320 | It is usually better to use acknowledgements when transferring data, |
… | |
… | |
2324 | C<low_water_mark> this will be called precisely when all data has been |
2330 | C<low_water_mark> this will be called precisely when all data has been |
2325 | written to the socket: |
2331 | written to the socket: |
2326 | |
2332 | |
2327 | $handle->push_write (...); |
2333 | $handle->push_write (...); |
2328 | $handle->on_drain (sub { |
2334 | $handle->on_drain (sub { |
2329 | warn "all data submitted to the kernel\n"; |
2335 | AE::log debug => "all data submitted to the kernel\n"; |
2330 | undef $handle; |
2336 | undef $handle; |
2331 | }); |
2337 | }); |
2332 | |
2338 | |
2333 | If you just want to queue some data and then signal EOF to the other side, |
2339 | If you just want to queue some data and then signal EOF to the other side, |
2334 | consider using C<< ->push_shutdown >> instead. |
2340 | consider using C<< ->push_shutdown >> instead. |