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1 | use AnyEvent (); |
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2 | |
1 | use Coro; |
3 | use Coro; |
2 | use Coro::Semaphore; |
4 | use Coro::Semaphore; |
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5 | use Coro::SemaphoreSet; |
3 | use Coro::Event; |
6 | use Coro::EV; |
4 | use Coro::Socket; |
7 | use Coro::Socket; |
5 | use Coro::Signal; |
8 | use Coro::Signal; |
6 | use Coro::AIO (); |
9 | use Coro::AIO (); |
7 | |
10 | |
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11 | use Fcntl; |
8 | use HTTP::Date; |
12 | use HTTP::Date; |
9 | use POSIX (); |
13 | use POSIX (); |
10 | |
14 | |
11 | use Compress::Zlib (); |
15 | use Compress::Zlib (); |
12 | |
16 | |
13 | no utf8; |
17 | use common::sense; |
14 | use bytes; |
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15 | |
18 | |
16 | # at least on my machine, this thingy serves files |
19 | # at least on my machine, this thingy serves files |
17 | # quite a bit faster than apache, ;) |
20 | # quite a bit faster than apache, ;) |
18 | # and quite a bit slower than thttpd :( |
21 | # and quite a bit slower than thttpd :( |
19 | |
22 | |
20 | $SIG{PIPE} = 'IGNORE'; |
23 | $SIG{PIPE} = 'IGNORE'; |
21 | |
24 | |
22 | our $accesslog; |
25 | our $accesslog; |
23 | our $errorlog; |
26 | our $errorlog; |
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27 | our @listen_sockets; |
24 | |
28 | |
25 | our $NOW; |
29 | our $NOW; |
26 | our $HTTP_NOW; |
30 | our $HTTP_NOW; |
27 | |
31 | |
28 | our $ERROR_LOG; |
32 | our $ERROR_LOG; |
29 | our $ACCESS_LOG; |
33 | our $ACCESS_LOG; |
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34 | our $TRANSFER_LOCK = new Coro::SemaphoreSet; # lock to be acquired per ip |
30 | |
35 | |
31 | Event->timer(interval => 1, hard => 1, cb => sub { |
36 | our $update_time = EV::periodic 0, 1, undef, sub { |
32 | $NOW = time; |
37 | $NOW = time; |
33 | $HTTP_NOW = time2str $NOW; |
38 | $HTTP_NOW = time2str $NOW; |
34 | })->now; |
39 | }; |
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40 | $update_time->invoke; |
35 | |
41 | |
36 | if ($ERROR_LOG) { |
42 | if ($ERROR_LOG) { |
37 | use IO::Handle; |
43 | use IO::Handle; |
38 | open $errorlog, ">>$ERROR_LOG" |
44 | open $errorlog, ">>$ERROR_LOG" |
39 | or die "$ERROR_LOG: $!"; |
45 | or die "$ERROR_LOG: $!"; |
… | |
… | |
48 | } |
54 | } |
49 | |
55 | |
50 | sub slog { |
56 | sub slog { |
51 | my $level = shift; |
57 | my $level = shift; |
52 | my $format = shift; |
58 | my $format = shift; |
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59 | |
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60 | $format = sprintf $format, @_ if @_; |
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61 | |
53 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
62 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
54 | printf "$NOW: $format\n", @_; |
63 | print "$NOW: $format\n"; |
55 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
64 | print $errorlog "$NOW: $format\n", @_ if $errorlog; |
56 | } |
65 | } |
57 | |
66 | |
58 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
67 | our $connections = new Coro::Semaphore $::MAX_CONNECTS || 250; |
59 | our $httpevent = new Coro::Signal; |
68 | our $httpevent = new Coro::Signal; |
60 | |
69 | |
61 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
70 | our $queue_file = new transferqueue $::MAX_TRANSFERS; |
62 | our $queue_index = new transferqueue 10; |
71 | our $queue_index = new transferqueue 10; |
63 | |
72 | |
64 | our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
73 | our $tbf_top = new tbf rate => $::TBF_RATE || 100000; |
65 | |
74 | |
66 | my $unused_bytes = 0; |
75 | my $unused_bytes = 0; |
67 | my $unused_last = time; |
76 | my $unused_last = time; |
68 | |
77 | |
69 | sub unused_bandwidth { |
78 | sub unused_bandwidth { |
70 | $unused_bytes += $_[0]; |
79 | $unused_bytes += $_[0]; |
71 | if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
80 | if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
72 | $unused_last = $NOW; |
81 | $unused_last = $NOW; |
73 | $unused_bytes = 0; |
82 | $unused_bytes = 0; |
74 | $queue_file->force_wake_next; |
83 | $queue_file->force_wake_next |
75 | slog 1, "forced filetransfer due to unused bandwidth"; |
84 | and slog 1, "forced filetransfer due to unused bandwidth"; |
76 | } |
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77 | } |
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78 | |
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79 | my @newcons; |
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80 | my @pool; |
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81 | |
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82 | # one "execution thread" |
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83 | sub handler { |
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84 | while () { |
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85 | if (@newcons) { |
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86 | eval { |
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87 | conn->new(@{pop @newcons})->handle; |
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88 | }; |
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89 | slog 1, "$@" if $@ && !ref $@; |
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90 | |
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91 | $httpevent->broadcast; # only for testing, but doesn't matter much |
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92 | |
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93 | $connections->up; |
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94 | } else { |
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95 | last if @pool >= $MAX_POOL; |
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96 | push @pool, $Coro::current; |
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97 | schedule; |
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98 | } |
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99 | } |
85 | } |
100 | } |
86 | } |
101 | |
87 | |
102 | sub listen_on { |
88 | sub listen_on { |
103 | my $listen = $_[0]; |
89 | my $listen = $_[0]; |
… | |
… | |
107 | # the "main thread" |
93 | # the "main thread" |
108 | async { |
94 | async { |
109 | slog 1, "accepting connections"; |
95 | slog 1, "accepting connections"; |
110 | while () { |
96 | while () { |
111 | $connections->down; |
97 | $connections->down; |
112 | push @newcons, [$listen->accept]; |
98 | my @conn = $listen->accept; |
113 | #slog 3, "accepted @$connections ".scalar(@pool); |
99 | #slog 3, "accepted @$connections ".scalar(@pool); |
114 | if (@pool) { |
100 | |
115 | (pop @pool)->ready; |
101 | async_pool { |
116 | } else { |
102 | eval { |
117 | async \&handler; |
103 | conn->new (@conn)->handle; |
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104 | }; |
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105 | slog 1, "$@" if $@ && !ref $@; |
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106 | |
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107 | $httpevent->broadcast; # only for testing, but doesn't matter much |
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108 | |
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109 | $connections->up; |
118 | } |
110 | } |
119 | } |
111 | } |
120 | }; |
112 | }; |
121 | } |
113 | } |
122 | |
114 | |
123 | my $http_port = new Coro::Socket |
115 | my $http_port = new Coro::Socket |
124 | LocalAddr => $SERVER_HOST, |
116 | LocalAddr => $::SERVER_HOST, |
125 | LocalPort => $SERVER_PORT, |
117 | LocalPort => $::SERVER_PORT, |
126 | ReuseAddr => 1, |
118 | ReuseAddr => 1, |
127 | Listen => 50, |
119 | Listen => 50, |
128 | or die "unable to start server"; |
120 | or die "unable to start server"; |
129 | |
121 | |
130 | listen_on $http_port; |
122 | listen_on $http_port; |
131 | |
123 | |
132 | if ($SERVER_PORT2) { |
124 | if ($::SERVER_PORT2) { |
133 | my $http_port = new Coro::Socket |
125 | my $http_port = new Coro::Socket |
134 | LocalAddr => $SERVER_HOST, |
126 | LocalAddr => $::SERVER_HOST, |
135 | LocalPort => $SERVER_PORT2, |
127 | LocalPort => $::SERVER_PORT2, |
136 | ReuseAddr => 1, |
128 | ReuseAddr => 1, |
137 | Listen => 50, |
129 | Listen => 50, |
138 | or die "unable to start server"; |
130 | or die "unable to start server"; |
139 | |
131 | |
140 | listen_on $http_port; |
132 | listen_on $http_port; |
141 | } |
133 | } |
142 | |
134 | |
143 | package conn; |
135 | package conn; |
144 | |
136 | |
145 | use strict; |
137 | use common::sense; |
146 | use bytes; |
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147 | |
138 | |
148 | use Socket; |
139 | use Socket; |
149 | use HTTP::Date; |
140 | use HTTP::Date; |
150 | use Convert::Scalar 'weaken'; |
141 | use Convert::Scalar 'weaken'; |
151 | use IO::AIO; |
142 | use IO::AIO; |
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143 | use AnyEvent::AIO; |
152 | |
144 | |
153 | IO::AIO::min_parallel $::AIO_PARALLEL; |
145 | IO::AIO::min_parallel $::AIO_PARALLEL; |
154 | |
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155 | Event->io (fd => IO::AIO::poll_fileno, |
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156 | poll => 'r', async => 1, |
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157 | cb => \&IO::AIO::poll_cb); |
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158 | |
146 | |
159 | our %conn; # $conn{ip}{self} => connobj |
147 | our %conn; # $conn{ip}{self} => connobj |
160 | our %uri; # $uri{ip}{uri}{self} |
148 | our %uri; # $uri{ip}{uri}{self} |
161 | our %blocked; |
149 | our %blocked; |
162 | our %mimetype; |
150 | our %mimetype; |
163 | |
151 | |
164 | sub read_mimetypes { |
152 | sub read_mimetypes { |
165 | local *M; |
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166 | if (open M, "<mime_types") { |
153 | if (open my $fh, "<mime_types") { |
167 | while (<M>) { |
154 | while (<$fh>) { |
168 | if (/^([^#]\S+)\t+(\S+)$/) { |
155 | if (/^([^#]\S+)\t+(\S+)$/) { |
169 | $mimetype{lc $1} = $2; |
156 | $mimetype{lc $1} = $2; |
170 | } |
157 | } |
171 | } |
158 | } |
172 | } else { |
159 | } else { |
… | |
… | |
180 | my $class = shift; |
167 | my $class = shift; |
181 | my $fh = shift; |
168 | my $fh = shift; |
182 | my $peername = shift; |
169 | my $peername = shift; |
183 | my $self = bless { fh => $fh }, $class; |
170 | my $self = bless { fh => $fh }, $class; |
184 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
171 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
185 | or $self->err(500, "unable to decode peername"); |
172 | or $self->err (500, "unable to decode peername"); |
186 | |
173 | |
187 | $self->{remote_addr} = |
174 | $self->{remote_addr} = |
188 | $self->{remote_id} = inet_ntoa $iaddr; |
175 | $self->{remote_id} = inet_ntoa $iaddr; |
189 | |
176 | |
190 | $self->{time} = $::NOW; |
177 | $self->{time} = $::NOW; |
191 | |
178 | |
192 | weaken ($Coro::current->{conn} = $self); |
179 | weaken ($Coro::current->{conn} = $self); |
193 | |
180 | |
194 | $::conns++; |
181 | ++$::conns; |
195 | $::maxconns = $::conns if $::conns > $::maxconns; |
182 | $::maxconns = $::conns if $::conns > $::maxconns; |
196 | |
183 | |
197 | $self; |
184 | $self |
198 | } |
185 | } |
199 | |
186 | |
200 | sub DESTROY { |
187 | sub DESTROY { |
201 | #my $self = shift; |
188 | my $self = shift; |
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189 | |
202 | $::conns--; |
190 | --$::conns; |
203 | } |
191 | } |
204 | |
192 | |
205 | sub prune_cache { |
193 | sub prune_cache { |
206 | my $hash = $_[0]; |
194 | my $hash = $_[0]; |
207 | |
195 | |
… | |
… | |
222 | for (keys %blocked) { |
210 | for (keys %blocked) { |
223 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
211 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
224 | } |
212 | } |
225 | } |
213 | } |
226 | |
214 | |
227 | Event->timer(interval => 60, cb => \&prune_caches); |
215 | our $PRUNE_WATCHER = AE::timer 60, 60, \&prune_caches; |
228 | |
216 | |
229 | sub slog { |
217 | sub slog { |
230 | my $self = shift; |
218 | my $self = shift; |
231 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
219 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
232 | } |
220 | } |
… | |
… | |
293 | $hdr->{"Content-Type"} = "text/plain"; |
281 | $hdr->{"Content-Type"} = "text/plain"; |
294 | $hdr->{"Content-Length"} = length $content; |
282 | $hdr->{"Content-Length"} = length $content; |
295 | } |
283 | } |
296 | $hdr->{"Connection"} = "close"; |
284 | $hdr->{"Connection"} = "close"; |
297 | |
285 | |
298 | $self->response($code, $msg, $hdr, $content); |
286 | $self->response ($code, $msg, $hdr, $content); |
299 | |
287 | |
300 | die bless {}, err::; |
288 | die bless {}, err:: |
301 | } |
289 | } |
302 | |
290 | |
303 | sub handle { |
291 | sub handle { |
304 | my $self = shift; |
292 | my $self = shift; |
305 | my $fh = $self->{fh}; |
293 | my $fh = $self->{fh}; |
306 | |
294 | |
307 | my $host; |
295 | my $host; |
308 | |
296 | |
309 | $fh->timeout($::REQ_TIMEOUT); |
297 | $fh->timeout($::REQ_TIMEOUT); |
310 | while() { |
298 | while () { |
311 | $self->{reqs}++; |
299 | $self->{reqs}++; |
312 | |
300 | |
313 | # read request and parse first line |
301 | # read request and parse first line |
314 | my $req = $fh->readline("\015\012\015\012"); |
302 | my $req = $fh->readline("\015\012\015\012"); |
315 | |
303 | |
… | |
… | |
424 | # uri => path mapping |
412 | # uri => path mapping |
425 | sub map_uri { |
413 | sub map_uri { |
426 | my $self = shift; |
414 | my $self = shift; |
427 | my $host = $self->{server_name}; |
415 | my $host = $self->{server_name}; |
428 | my $uri = $self->{uri}; |
416 | my $uri = $self->{uri}; |
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417 | |
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418 | $host =~ /[\/\\]/ |
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419 | and $self->err(400, "bad request"); |
429 | |
420 | |
430 | # some massaging, also makes it more secure |
421 | # some massaging, also makes it more secure |
431 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
422 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
432 | $uri =~ s%//+%/%g; |
423 | $uri =~ s%//+%/%g; |
433 | $uri =~ s%/\.(?=/|$)%%g; |
424 | $uri =~ s%/\.(?=/|$)%%g; |
… | |
… | |
477 | |
468 | |
478 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
469 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
479 | if ($::internal{$1}) { |
470 | if ($::internal{$1}) { |
480 | $::internal{$1}->($self); |
471 | $::internal{$1}->($self); |
481 | } else { |
472 | } else { |
482 | $self->err(404, "not found"); |
473 | $self->err (404, "not found"); |
483 | } |
474 | } |
484 | } else { |
475 | } else { |
485 | |
476 | |
486 | stat $path |
477 | Coro::AIO::aio_stat $path |
487 | or $self->err(404, "not found"); |
478 | and $self->err (404, "not found"); |
488 | |
479 | |
489 | $self->{stat} = [stat _]; |
480 | $self->{stat} = [stat _]; |
490 | |
481 | |
491 | # idiotic netscape sends idiotic headers AGAIN |
482 | # idiotic netscape sends idiotic headers AGAIN |
492 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
483 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
… | |
… | |
495 | if (-d _ && -r _) { |
486 | if (-d _ && -r _) { |
496 | # directory |
487 | # directory |
497 | if ($path !~ /\/$/) { |
488 | if ($path !~ /\/$/) { |
498 | # create a redirect to get the trailing "/" |
489 | # create a redirect to get the trailing "/" |
499 | # we don't try to avoid the :80 |
490 | # we don't try to avoid the :80 |
500 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
491 | $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
501 | } else { |
492 | } else { |
502 | $ims < $self->{stat}[9] |
493 | $ims < $self->{stat}[9] |
503 | or $self->err(304, "not modified"); |
494 | or $self->err (304, "not modified"); |
504 | |
495 | |
505 | if (-r "$path/index.html") { |
496 | if (-r "$path/index.html") { |
506 | # replace directory "size" by index.html filesize |
497 | # replace directory "size" by index.html filesize |
507 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
498 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
508 | $self->handle_file($queue_index, $tbf_top); |
499 | $self->handle_file ($queue_index, $tbf_top); |
509 | } else { |
500 | } else { |
510 | $self->handle_dir; |
501 | $self->handle_dir; |
511 | } |
502 | } |
512 | } |
503 | } |
513 | } elsif (-f _ && -r _) { |
504 | } elsif (-f _ && -r _) { |
514 | -x _ and $self->err(403, "forbidden"); |
505 | -x _ and $self->err (403, "forbidden"); |
515 | |
506 | |
516 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
507 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
517 | my $timeout = $::NOW + 10; |
508 | my $timeout = $::NOW + 10; |
518 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
509 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
519 | if ($timeout < $::NOW) { |
510 | if ($timeout < $::NOW) { |
… | |
… | |
522 | $httpevent->wait; |
513 | $httpevent->wait; |
523 | } |
514 | } |
524 | } |
515 | } |
525 | } |
516 | } |
526 | |
517 | |
527 | $self->handle_file($queue_file, $tbf_top); |
518 | $self->handle_file ($queue_file, $tbf_top); |
528 | } else { |
519 | } else { |
529 | $self->err(404, "not found"); |
520 | $self->err (404, "not found"); |
530 | } |
521 | } |
531 | } |
522 | } |
532 | } |
523 | } |
533 | |
524 | |
534 | sub handle_dir { |
525 | sub handle_dir { |
535 | my $self = shift; |
526 | my $self = shift; |
536 | my $idx = $self->diridx; |
527 | my $idx = $self->diridx; |
537 | |
528 | |
538 | $self->response(200, "ok", |
529 | $self->response (200, "ok", |
539 | { |
530 | { |
540 | "Content-Type" => "text/html; charset=utf-8", |
531 | "Content-Type" => "text/html; charset=utf-8", |
541 | "Content-Length" => length $idx, |
532 | "Content-Length" => length $idx, |
542 | "Last-Modified" => time2str ($self->{stat}[9]), |
533 | "Last-Modified" => time2str ($self->{stat}[9]), |
543 | }, |
534 | }, |
… | |
… | |
553 | }; |
544 | }; |
554 | |
545 | |
555 | my @code = (200, "ok"); |
546 | my @code = (200, "ok"); |
556 | my ($l, $h); |
547 | my ($l, $h); |
557 | |
548 | |
558 | if ($self->{h}{range} =~ /^bytes=(.*)$/) { |
549 | if ($self->{h}{range} =~ /^bytes=(.*)$/i) { |
559 | for (split /,/, $1) { |
550 | for (split /,/, $1) { |
560 | if (/^-(\d+)$/) { |
551 | if (/^-(\d+)$/) { |
561 | ($l, $h) = ($length - $1, $length - 1); |
552 | ($l, $h) = ($length - $1, $length - 1); |
562 | } elsif (/^(\d+)-(\d*)$/) { |
553 | } elsif (/^(\d+)-(\d*)$/) { |
563 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
554 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
… | |
… | |
567 | } |
558 | } |
568 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
559 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
569 | } |
560 | } |
570 | $hdr->{"Content-Range"} = "bytes */$length"; |
561 | $hdr->{"Content-Range"} = "bytes */$length"; |
571 | $hdr->{"Content-Length"} = $length; |
562 | $hdr->{"Content-Length"} = $length; |
572 | $self->err(416, "not satisfiable", $hdr, ""); |
563 | $self->err (416, "not satisfiable", $hdr, ""); |
573 | |
564 | |
574 | satisfiable: |
565 | satisfiable: |
575 | # check for segmented downloads |
566 | # check for segmented downloads |
576 | if ($l && $::NO_SEGMENTED) { |
567 | if ($l && $::NO_SEGMENTED) { |
577 | my $timeout = $::NOW + 15; |
568 | my $timeout = $::NOW + 60; |
578 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
569 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
579 | if ($timeout <= $::NOW) { |
570 | if ($timeout <= $::NOW) { |
580 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
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581 | #$self->err_segmented_download; |
571 | $self->err_segmented_download; |
582 | } else { |
572 | } else { |
583 | $httpevent->wait; |
573 | $httpevent->wait; |
584 | } |
574 | } |
585 | } |
575 | } |
586 | } |
576 | } |
… | |
… | |
596 | |
586 | |
597 | $self->{path} =~ /\.([^.]+)$/; |
587 | $self->{path} =~ /\.([^.]+)$/; |
598 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
588 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
599 | $hdr->{"Content-Length"} = $length; |
589 | $hdr->{"Content-Length"} = $length; |
600 | |
590 | |
601 | $self->response(@code, $hdr, ""); |
591 | $self->response (@code, $hdr, ""); |
602 | |
592 | |
603 | if ($self->{method} eq "GET") { |
593 | if ($self->{method} eq "GET") { |
604 | $self->{time} = $::NOW; |
594 | $self->{time} = $::NOW; |
605 | $self->{written} = 0; |
595 | $self->{written} = 0; |
606 | |
596 | |
607 | my $fh; |
597 | my $fh = Coro::AIO::aio_open $self->{path}, Fcntl::O_RDONLY, 0 |
608 | |
|
|
609 | open $fh, "<", $self->{path} |
|
|
610 | or die "$self->{path}: late open failure ($!)"; |
598 | or die "$self->{path}: late open failure ($!)"; |
611 | |
599 | |
612 | $h -= $l - 1; |
600 | $h -= $l - 1; |
613 | |
601 | |
614 | if (0) { # !AIO |
|
|
615 | if ($l) { |
|
|
616 | sysseek $fh, $l, 0; |
|
|
617 | } |
|
|
618 | } |
|
|
619 | |
|
|
620 | my $transfer = $queue->start_transfer($h); |
602 | my $transfer = $queue->start_transfer ($h); |
621 | my $locked; |
603 | my $locked; |
622 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
604 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
623 | |
605 | |
624 | while ($h > 0) { |
606 | while ($h > 0) { |
|
|
607 | Coro::cede; |
|
|
608 | my $transfer_lock = $TRANSFER_LOCK->guard ($self->{remote_id}); |
|
|
609 | |
625 | unless ($locked) { |
610 | unless ($locked) { |
626 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
611 | if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) { |
627 | $bufsize = $::BUFSIZE; |
612 | $bufsize = $::BUFSIZE; |
628 | $self->{time} = $::NOW; |
613 | $self->{time} = $::NOW; |
629 | $self->{written} = 0; |
614 | $self->{written} = 0; |
630 | } |
615 | } |
631 | } |
616 | } |
… | |
… | |
636 | } |
621 | } |
637 | |
622 | |
638 | Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0 |
623 | Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0 |
639 | or last; |
624 | or last; |
640 | |
625 | |
|
|
626 | # readahead to work around rijk disk issues |
|
|
627 | IO::AIO::aio_readahead $fh, $l + $bufsize, $bufsize; |
|
|
628 | |
641 | $tbf->request (length $buf); |
629 | $tbf->request (length $buf); |
642 | my $w = syswrite $self->{fh}, $buf |
630 | my $w = $self->{fh}->syswrite ($buf) |
643 | or last; |
631 | or last; |
644 | $::written += $w; |
632 | $::written += $w; |
645 | $self->{written} += $w; |
633 | $self->{written} += $w; |
646 | $l += $w; |
634 | $l += $w; |
647 | } |
635 | } |