1 | use Coro; |
1 | use Coro; |
2 | use Coro::Semaphore; |
2 | use Coro::Semaphore; |
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3 | use Coro::SemaphoreSet; |
3 | use Coro::Event; |
4 | use Coro::EV; |
4 | use Coro::Socket; |
5 | use Coro::Socket; |
5 | use Coro::Signal; |
6 | use Coro::Signal; |
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7 | use Coro::AIO (); |
6 | |
8 | |
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9 | use Fcntl; |
7 | use HTTP::Date; |
10 | use HTTP::Date; |
8 | use POSIX (); |
11 | use POSIX (); |
9 | |
12 | |
10 | no utf8; |
13 | use Compress::Zlib (); |
11 | use bytes; |
14 | |
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15 | use common::sense; |
12 | |
16 | |
13 | # at least on my machine, this thingy serves files |
17 | # at least on my machine, this thingy serves files |
14 | # quite a bit faster than apache, ;) |
18 | # quite a bit faster than apache, ;) |
15 | # and quite a bit slower than thttpd :( |
19 | # and quite a bit slower than thttpd :( |
16 | |
20 | |
17 | $SIG{PIPE} = 'IGNORE'; |
21 | $SIG{PIPE} = 'IGNORE'; |
18 | |
22 | |
19 | our $accesslog; |
23 | our $accesslog; |
20 | our $errorlog; |
24 | our $errorlog; |
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25 | our @listen_sockets; |
21 | |
26 | |
22 | our $NOW; |
27 | our $NOW; |
23 | our $HTTP_NOW; |
28 | our $HTTP_NOW; |
24 | |
29 | |
25 | Event->timer(interval => 1, hard => 1, cb => sub { |
30 | our $ERROR_LOG; |
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31 | our $ACCESS_LOG; |
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32 | our $TRANSFER_LOCK = new Coro::SemaphoreSet; # lock to be acquired per ip |
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33 | |
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34 | our $update_time = EV::periodic 0, 1, undef, sub { |
26 | $NOW = time; |
35 | $NOW = time; |
27 | $HTTP_NOW = time2str $NOW; |
36 | $HTTP_NOW = time2str $NOW; |
28 | })->now; |
37 | }; |
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38 | $update_time->invoke; |
29 | |
39 | |
30 | if ($ERROR_LOG) { |
40 | if ($ERROR_LOG) { |
31 | use IO::Handle; |
41 | use IO::Handle; |
32 | open $errorlog, ">>$ERROR_LOG" |
42 | open $errorlog, ">>$ERROR_LOG" |
33 | or die "$ERROR_LOG: $!"; |
43 | or die "$ERROR_LOG: $!"; |
… | |
… | |
42 | } |
52 | } |
43 | |
53 | |
44 | sub slog { |
54 | sub slog { |
45 | my $level = shift; |
55 | my $level = shift; |
46 | my $format = shift; |
56 | my $format = shift; |
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57 | |
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58 | $format = sprintf $format, @_ if @_; |
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59 | |
47 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
60 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
48 | printf "$NOW: $format\n", @_; |
61 | print "$NOW: $format\n"; |
49 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
62 | print $errorlog "$NOW: $format\n", @_ if $errorlog; |
50 | } |
63 | } |
51 | |
64 | |
52 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
65 | our $connections = new Coro::Semaphore $::MAX_CONNECTS || 250; |
53 | our $httpevent = new Coro::Signal; |
66 | our $httpevent = new Coro::Signal; |
54 | |
67 | |
55 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
68 | our $queue_file = new transferqueue $::MAX_TRANSFERS; |
56 | our $queue_index = new transferqueue 10; |
69 | our $queue_index = new transferqueue 10; |
57 | |
70 | |
58 | my @newcons; |
71 | our $tbf_top = new tbf rate => $::TBF_RATE || 100000; |
59 | my @pool; |
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60 | |
72 | |
61 | # one "execution thread" |
73 | my $unused_bytes = 0; |
62 | sub handler { |
74 | my $unused_last = time; |
63 | while () { |
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64 | if (@newcons) { |
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65 | eval { |
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66 | conn->new(@{pop @newcons})->handle; |
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67 | }; |
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68 | slog 1, "$@" if $@ && !ref $@; |
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69 | |
75 | |
70 | $httpevent->broadcast; # only for testing, but doesn't matter much |
76 | sub unused_bandwidth { |
71 | |
77 | $unused_bytes += $_[0]; |
72 | $connections->up; |
78 | if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
73 | } else { |
79 | $unused_last = $NOW; |
74 | last if @pool >= $MAX_POOL; |
80 | $unused_bytes = 0; |
75 | push @pool, $Coro::current; |
81 | $queue_file->force_wake_next |
76 | schedule; |
82 | and slog 1, "forced filetransfer due to unused bandwidth"; |
77 | } |
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78 | } |
83 | } |
79 | } |
84 | } |
80 | |
85 | |
81 | sub listen_on { |
86 | sub listen_on { |
82 | my $listen = $_[0]; |
87 | my $listen = $_[0]; |
… | |
… | |
86 | # the "main thread" |
91 | # the "main thread" |
87 | async { |
92 | async { |
88 | slog 1, "accepting connections"; |
93 | slog 1, "accepting connections"; |
89 | while () { |
94 | while () { |
90 | $connections->down; |
95 | $connections->down; |
91 | push @newcons, [$listen->accept]; |
96 | my @conn = $listen->accept; |
92 | #slog 3, "accepted @$connections ".scalar(@pool); |
97 | #slog 3, "accepted @$connections ".scalar(@pool); |
93 | if (@pool) { |
98 | |
94 | (pop @pool)->ready; |
99 | async_pool { |
95 | } else { |
100 | eval { |
96 | async \&handler; |
101 | conn->new (@conn)->handle; |
97 | } |
102 | }; |
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103 | slog 1, "$@" if $@ && !ref $@; |
98 | |
104 | |
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105 | $httpevent->broadcast; # only for testing, but doesn't matter much |
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106 | |
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107 | $connections->up; |
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108 | } |
99 | } |
109 | } |
100 | }; |
110 | }; |
101 | } |
111 | } |
102 | |
112 | |
103 | my $http_port = new Coro::Socket |
113 | my $http_port = new Coro::Socket |
104 | LocalAddr => $SERVER_HOST, |
114 | LocalAddr => $::SERVER_HOST, |
105 | LocalPort => $SERVER_PORT, |
115 | LocalPort => $::SERVER_PORT, |
106 | ReuseAddr => 1, |
116 | ReuseAddr => 1, |
107 | Listen => 50, |
117 | Listen => 50, |
108 | or die "unable to start server"; |
118 | or die "unable to start server"; |
109 | |
119 | |
110 | listen_on $http_port; |
120 | listen_on $http_port; |
111 | |
121 | |
112 | if ($SERVER_PORT2) { |
122 | if ($::SERVER_PORT2) { |
113 | my $http_port = new Coro::Socket |
123 | my $http_port = new Coro::Socket |
114 | LocalAddr => $SERVER_HOST, |
124 | LocalAddr => $::SERVER_HOST, |
115 | LocalPort => $SERVER_PORT2, |
125 | LocalPort => $::SERVER_PORT2, |
116 | ReuseAddr => 1, |
126 | ReuseAddr => 1, |
117 | Listen => 50, |
127 | Listen => 50, |
118 | or die "unable to start server"; |
128 | or die "unable to start server"; |
119 | |
129 | |
120 | listen_on $http_port; |
130 | listen_on $http_port; |
121 | } |
131 | } |
122 | |
132 | |
123 | package conn; |
133 | package conn; |
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134 | |
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135 | use common::sense; |
124 | |
136 | |
125 | use Socket; |
137 | use Socket; |
126 | use HTTP::Date; |
138 | use HTTP::Date; |
127 | use Convert::Scalar 'weaken'; |
139 | use Convert::Scalar 'weaken'; |
128 | use Linux::AIO; |
140 | use IO::AIO; |
129 | |
141 | |
130 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
142 | IO::AIO::min_parallel $::AIO_PARALLEL; |
131 | |
143 | |
132 | Event->io(fd => Linux::AIO::poll_fileno, |
144 | our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb; |
133 | poll => 'r', async => 1, |
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134 | cb => \&Linux::AIO::poll_cb); |
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135 | |
145 | |
136 | our %conn; # $conn{ip}{self} => connobj |
146 | our %conn; # $conn{ip}{self} => connobj |
137 | our %uri; # $uri{ip}{uri}{self} |
147 | our %uri; # $uri{ip}{uri}{self} |
138 | our %blocked; |
148 | our %blocked; |
139 | our %mimetype; |
149 | our %mimetype; |
140 | |
150 | |
141 | sub read_mimetypes { |
151 | sub read_mimetypes { |
142 | local *M; |
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143 | if (open M, "<mime_types") { |
152 | if (open my $fh, "<mime_types") { |
144 | while (<M>) { |
153 | while (<$fh>) { |
145 | if (/^([^#]\S+)\t+(\S+)$/) { |
154 | if (/^([^#]\S+)\t+(\S+)$/) { |
146 | $mimetype{lc $1} = $2; |
155 | $mimetype{lc $1} = $2; |
147 | } |
156 | } |
148 | } |
157 | } |
149 | } else { |
158 | } else { |
… | |
… | |
157 | my $class = shift; |
166 | my $class = shift; |
158 | my $fh = shift; |
167 | my $fh = shift; |
159 | my $peername = shift; |
168 | my $peername = shift; |
160 | my $self = bless { fh => $fh }, $class; |
169 | my $self = bless { fh => $fh }, $class; |
161 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
170 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
162 | or $self->err(500, "unable to decode peername"); |
171 | or $self->err (500, "unable to decode peername"); |
163 | |
172 | |
164 | $self->{remote_addr} = |
173 | $self->{remote_addr} = |
165 | $self->{remote_id} = inet_ntoa $iaddr; |
174 | $self->{remote_id} = inet_ntoa $iaddr; |
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175 | |
166 | $self->{time} = $::NOW; |
176 | $self->{time} = $::NOW; |
167 | |
177 | |
168 | weaken ($Coro::current->{conn} = $self); |
178 | weaken ($Coro::current->{conn} = $self); |
169 | |
179 | |
170 | $::conns++; |
180 | ++$::conns; |
171 | $::maxconns = $::conns if $::conns > $::maxconns; |
181 | $::maxconns = $::conns if $::conns > $::maxconns; |
172 | |
182 | |
173 | $self; |
183 | $self |
174 | } |
184 | } |
175 | |
185 | |
176 | sub DESTROY { |
186 | sub DESTROY { |
177 | #my $self = shift; |
187 | my $self = shift; |
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188 | |
178 | $::conns--; |
189 | --$::conns; |
179 | } |
190 | } |
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191 | |
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192 | sub prune_cache { |
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193 | my $hash = $_[0]; |
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194 | |
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195 | for (keys %$hash) { |
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196 | if (ref $hash->{$_} eq HASH::) { |
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197 | prune_cache($hash->{$_}); |
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198 | unless (scalar keys %{$hash->{$_}}) { |
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199 | delete $hash->{$_}; |
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200 | } |
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201 | } |
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202 | } |
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203 | } |
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204 | |
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205 | sub prune_caches { |
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206 | prune_cache \%conn; |
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207 | prune_cache \%uri; |
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208 | |
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209 | for (keys %blocked) { |
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210 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
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211 | } |
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212 | } |
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213 | |
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214 | our $PRUNE_WATCHER = EV::timer 60, 60, \&prune_caches; |
180 | |
215 | |
181 | sub slog { |
216 | sub slog { |
182 | my $self = shift; |
217 | my $self = shift; |
183 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
218 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
184 | } |
219 | } |
185 | |
220 | |
186 | sub response { |
221 | sub response { |
187 | my ($self, $code, $msg, $hdr, $content) = @_; |
222 | my ($self, $code, $msg, $hdr, $content) = @_; |
188 | my $res = "HTTP/1.1 $code $msg\015\012"; |
223 | my $res = "HTTP/1.1 $code $msg\015\012"; |
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224 | my $GZ = ""; |
189 | |
225 | |
190 | if (exists $hdr->{Connection}) { |
226 | if (exists $hdr->{Connection}) { |
191 | if ($hdr->{Connection} =~ /close/) { |
227 | if ($hdr->{Connection} =~ /close/) { |
192 | $self->{h}{connection} = "close" |
228 | $self->{h}{connection} = "close" |
193 | } |
229 | } |
… | |
… | |
199 | $self->{h}{connection} = "close" |
235 | $self->{h}{connection} = "close" |
200 | } |
236 | } |
201 | } |
237 | } |
202 | } |
238 | } |
203 | |
239 | |
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240 | if ($self->{method} ne "HEAD" |
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241 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
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242 | && 400 < length $content |
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243 | && $hdr->{"Content-Length"} == length $content |
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244 | && !exists $hdr->{"Content-Encoding"} |
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245 | ) { |
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246 | my $orig = length $content; |
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247 | $hdr->{"Content-Encoding"} = "gzip"; |
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248 | $content = Compress::Zlib::memGzip(\$content); |
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249 | $hdr->{"Content-Length"} = length $content; |
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250 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
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251 | } |
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252 | |
204 | $res .= "Date: $HTTP_NOW\015\012"; |
253 | $res .= "Date: $HTTP_NOW\015\012"; |
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254 | $res .= "Server: $::NAME\015\012"; |
205 | |
255 | |
206 | while (my ($h, $v) = each %$hdr) { |
256 | while (my ($h, $v) = each %$hdr) { |
207 | $res .= "$h: $v\015\012" |
257 | $res .= "$h: $v\015\012" |
208 | } |
258 | } |
209 | $res .= "\015\012"; |
259 | $res .= "\015\012"; |
210 | |
260 | |
211 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
261 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
212 | |
262 | |
213 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). |
263 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
214 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}. |
264 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
215 | " \"$self->{h}{referer}\"\n"; |
265 | " \"$self->{h}{referer}\"\n"; |
216 | |
266 | |
217 | print $accesslog $log if $accesslog; |
267 | print $::accesslog $log if $::accesslog; |
218 | print STDERR $log; |
268 | print STDERR $log; |
219 | |
269 | |
220 | $self->{written} += |
270 | $tbf_top->request(length $res, 1e6); |
221 | print {$self->{fh}} $res; |
271 | $self->{written} += print {$self->{fh}} $res; |
222 | } |
272 | } |
223 | |
273 | |
224 | sub err { |
274 | sub err { |
225 | my $self = shift; |
275 | my $self = shift; |
226 | my ($code, $msg, $hdr, $content) = @_; |
276 | my ($code, $msg, $hdr, $content) = @_; |
… | |
… | |
230 | $hdr->{"Content-Type"} = "text/plain"; |
280 | $hdr->{"Content-Type"} = "text/plain"; |
231 | $hdr->{"Content-Length"} = length $content; |
281 | $hdr->{"Content-Length"} = length $content; |
232 | } |
282 | } |
233 | $hdr->{"Connection"} = "close"; |
283 | $hdr->{"Connection"} = "close"; |
234 | |
284 | |
235 | $self->response($code, $msg, $hdr, $content); |
285 | $self->response ($code, $msg, $hdr, $content); |
236 | |
286 | |
237 | die bless {}, err::; |
287 | die bless {}, err:: |
238 | } |
288 | } |
239 | |
289 | |
240 | sub handle { |
290 | sub handle { |
241 | my $self = shift; |
291 | my $self = shift; |
242 | my $fh = $self->{fh}; |
292 | my $fh = $self->{fh}; |
243 | |
293 | |
244 | my $host; |
294 | my $host; |
245 | |
295 | |
246 | $fh->timeout($::REQ_TIMEOUT); |
296 | $fh->timeout($::REQ_TIMEOUT); |
247 | while() { |
297 | while () { |
248 | $self->{reqs}++; |
298 | $self->{reqs}++; |
249 | |
299 | |
250 | # read request and parse first line |
300 | # read request and parse first line |
251 | my $req = $fh->readline("\015\012\015\012"); |
301 | my $req = $fh->readline("\015\012\015\012"); |
252 | |
302 | |
… | |
… | |
281 | my (%hdr, $h, $v); |
331 | my (%hdr, $h, $v); |
282 | |
332 | |
283 | $hdr{lc $1} .= ",$2" |
333 | $hdr{lc $1} .= ",$2" |
284 | while $req =~ /\G |
334 | while $req =~ /\G |
285 | ([^:\000-\040]+): |
335 | ([^:\000-\040]+): |
286 | [\008\040]* |
336 | [\011\040]* |
287 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
337 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
288 | \015\012 |
338 | \015\012 |
289 | /gxc; |
339 | /gxc; |
290 | |
340 | |
291 | $req =~ /\G\015\012$/ |
341 | $req =~ /\G\015\012$/ |
292 | or $self->err(400, "bad request"); |
342 | or $self->err(400, "bad request"); |
… | |
… | |
361 | # uri => path mapping |
411 | # uri => path mapping |
362 | sub map_uri { |
412 | sub map_uri { |
363 | my $self = shift; |
413 | my $self = shift; |
364 | my $host = $self->{server_name}; |
414 | my $host = $self->{server_name}; |
365 | my $uri = $self->{uri}; |
415 | my $uri = $self->{uri}; |
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416 | |
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417 | $host =~ /[\/\\]/ |
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418 | and $self->err(400, "bad request"); |
366 | |
419 | |
367 | # some massaging, also makes it more secure |
420 | # some massaging, also makes it more secure |
368 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
421 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
369 | $uri =~ s%//+%/%g; |
422 | $uri =~ s%//+%/%g; |
370 | $uri =~ s%/\.(?=/|$)%%g; |
423 | $uri =~ s%/\.(?=/|$)%%g; |
… | |
… | |
414 | |
467 | |
415 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
468 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
416 | if ($::internal{$1}) { |
469 | if ($::internal{$1}) { |
417 | $::internal{$1}->($self); |
470 | $::internal{$1}->($self); |
418 | } else { |
471 | } else { |
419 | $self->err(404, "not found"); |
472 | $self->err (404, "not found"); |
420 | } |
473 | } |
421 | } else { |
474 | } else { |
422 | |
475 | |
423 | stat $path |
476 | Coro::AIO::aio_stat $path |
424 | or $self->err(404, "not found"); |
477 | and $self->err (404, "not found"); |
425 | |
478 | |
426 | $self->{stat} = [stat _]; |
479 | $self->{stat} = [stat _]; |
427 | |
480 | |
428 | # idiotic netscape sends idiotic headers AGAIN |
481 | # idiotic netscape sends idiotic headers AGAIN |
429 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
482 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
… | |
… | |
432 | if (-d _ && -r _) { |
485 | if (-d _ && -r _) { |
433 | # directory |
486 | # directory |
434 | if ($path !~ /\/$/) { |
487 | if ($path !~ /\/$/) { |
435 | # create a redirect to get the trailing "/" |
488 | # create a redirect to get the trailing "/" |
436 | # we don't try to avoid the :80 |
489 | # we don't try to avoid the :80 |
437 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
490 | $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
438 | } else { |
491 | } else { |
439 | $ims < $self->{stat}[9] |
492 | $ims < $self->{stat}[9] |
440 | or $self->err(304, "not modified"); |
493 | or $self->err (304, "not modified"); |
441 | |
494 | |
442 | if (-r "$path/index.html") { |
495 | if (-r "$path/index.html") { |
443 | # replace directory "size" by index.html filesize |
496 | # replace directory "size" by index.html filesize |
444 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
497 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
445 | $self->handle_file($queue_index); |
498 | $self->handle_file ($queue_index, $tbf_top); |
446 | } else { |
499 | } else { |
447 | $self->handle_dir; |
500 | $self->handle_dir; |
448 | } |
501 | } |
449 | } |
502 | } |
450 | } elsif (-f _ && -r _) { |
503 | } elsif (-f _ && -r _) { |
451 | -x _ and $self->err(403, "forbidden"); |
504 | -x _ and $self->err (403, "forbidden"); |
452 | |
505 | |
453 | if (%{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
506 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
454 | my $timeout = $::NOW + 10; |
507 | my $timeout = $::NOW + 10; |
455 | while (%{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
508 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
456 | if ($timeout < $::NOW) { |
509 | if ($timeout < $::NOW) { |
457 | $self->block($::BLOCKTIME, "too many connections"); |
510 | $self->block($::BLOCKTIME, "too many connections"); |
458 | } else { |
511 | } else { |
459 | $httpevent->wait; |
512 | $httpevent->wait; |
460 | } |
513 | } |
461 | } |
514 | } |
462 | } |
515 | } |
463 | |
516 | |
464 | $self->handle_file($queue_file); |
517 | $self->handle_file ($queue_file, $tbf_top); |
465 | } else { |
518 | } else { |
466 | $self->err(404, "not found"); |
519 | $self->err (404, "not found"); |
467 | } |
520 | } |
468 | } |
521 | } |
469 | } |
522 | } |
470 | |
523 | |
471 | sub handle_dir { |
524 | sub handle_dir { |
472 | my $self = shift; |
525 | my $self = shift; |
473 | my $idx = $self->diridx; |
526 | my $idx = $self->diridx; |
474 | |
527 | |
475 | $self->response(200, "ok", |
528 | $self->response (200, "ok", |
476 | { |
529 | { |
477 | "Content-Type" => "text/html", |
530 | "Content-Type" => "text/html; charset=utf-8", |
478 | "Content-Length" => length $idx, |
531 | "Content-Length" => length $idx, |
479 | "Last-Modified" => time2str ($self->{stat}[9]), |
532 | "Last-Modified" => time2str ($self->{stat}[9]), |
480 | }, |
533 | }, |
481 | $idx); |
534 | $idx); |
482 | } |
535 | } |
483 | |
536 | |
484 | sub handle_file { |
537 | sub handle_file { |
485 | my ($self, $queue) = @_; |
538 | my ($self, $queue, $tbf) = @_; |
486 | my $length = $self->{stat}[7]; |
539 | my $length = $self->{stat}[7]; |
487 | my $hdr = { |
540 | my $hdr = { |
488 | "Last-Modified" => time2str ((stat _)[9]), |
541 | "Last-Modified" => time2str ((stat _)[9]), |
|
|
542 | "Accept-Ranges" => "bytes", |
489 | }; |
543 | }; |
490 | |
544 | |
491 | my @code = (200, "ok"); |
545 | my @code = (200, "ok"); |
492 | my ($l, $h); |
546 | my ($l, $h); |
493 | |
547 | |
494 | if ($self->{h}{range} =~ /^bytes=(.*)$/) { |
548 | if ($self->{h}{range} =~ /^bytes=(.*)$/i) { |
495 | for (split /,/, $1) { |
549 | for (split /,/, $1) { |
496 | if (/^-(\d+)$/) { |
550 | if (/^-(\d+)$/) { |
497 | ($l, $h) = ($length - $1, $length - 1); |
551 | ($l, $h) = ($length - $1, $length - 1); |
498 | } elsif (/^(\d+)-(\d*)$/) { |
552 | } elsif (/^(\d+)-(\d*)$/) { |
499 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
553 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
… | |
… | |
503 | } |
557 | } |
504 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
558 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
505 | } |
559 | } |
506 | $hdr->{"Content-Range"} = "bytes */$length"; |
560 | $hdr->{"Content-Range"} = "bytes */$length"; |
507 | $hdr->{"Content-Length"} = $length; |
561 | $hdr->{"Content-Length"} = $length; |
508 | $self->err(416, "not satisfiable", $hdr, ""); |
562 | $self->err (416, "not satisfiable", $hdr, ""); |
509 | |
563 | |
510 | satisfiable: |
564 | satisfiable: |
511 | # check for segmented downloads |
565 | # check for segmented downloads |
512 | if ($l && $::NO_SEGMENTED) { |
566 | if ($l && $::NO_SEGMENTED) { |
513 | my $timeout = $::NOW + 15; |
567 | my $timeout = $::NOW + 15; |
514 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
568 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
515 | if ($timeout <= $::NOW) { |
569 | if ($timeout <= $::NOW) { |
516 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
570 | $self->block ($::BLOCKTIME, "segmented downloads are forbidden"); |
517 | #$self->err_segmented_download; |
571 | #$self->err_segmented_download; |
518 | } else { |
572 | } else { |
519 | $httpevent->wait; |
573 | $httpevent->wait; |
520 | } |
574 | } |
521 | } |
575 | } |
… | |
… | |
532 | |
586 | |
533 | $self->{path} =~ /\.([^.]+)$/; |
587 | $self->{path} =~ /\.([^.]+)$/; |
534 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
588 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
535 | $hdr->{"Content-Length"} = $length; |
589 | $hdr->{"Content-Length"} = $length; |
536 | |
590 | |
537 | $self->response(@code, $hdr, ""); |
591 | $self->response (@code, $hdr, ""); |
538 | |
592 | |
539 | if ($self->{method} eq "GET") { |
593 | if ($self->{method} eq "GET") { |
540 | $self->{time} = $::NOW; |
594 | $self->{time} = $::NOW; |
|
|
595 | $self->{written} = 0; |
541 | |
596 | |
542 | my $current = $Coro::current; |
597 | my $fh = Coro::AIO::aio_open $self->{path}, Fcntl::O_RDONLY, 0 |
543 | |
|
|
544 | my ($fh, $buf, $r); |
|
|
545 | |
|
|
546 | open $fh, "<", $self->{path} |
|
|
547 | or die "$self->{path}: late open failure ($!)"; |
598 | or die "$self->{path}: late open failure ($!)"; |
548 | |
599 | |
549 | $h -= $l - 1; |
600 | $h -= $l - 1; |
550 | |
601 | |
551 | if (0) { # !AIO |
|
|
552 | if ($l) { |
|
|
553 | sysseek $fh, $l, 0; |
|
|
554 | } |
|
|
555 | } |
|
|
556 | |
|
|
557 | my $transfer = $queue->start_transfer($h); |
602 | my $transfer = $queue->start_transfer ($h); |
558 | my $locked; |
603 | my $locked; |
559 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
604 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
560 | |
605 | |
561 | while ($h > 0) { |
606 | while ($h > 0) { |
|
|
607 | Coro::cede; |
|
|
608 | my $transfer_lock = $TRANSFER_LOCK->guard ($self->{remote_id}); |
|
|
609 | |
562 | unless ($locked) { |
610 | unless ($locked) { |
563 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
611 | if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) { |
564 | $bufsize = $::BUFSIZE; |
612 | $bufsize = $::BUFSIZE; |
565 | $self->{time} = $::NOW; |
613 | $self->{time} = $::NOW; |
|
|
614 | $self->{written} = 0; |
566 | } |
615 | } |
567 | } |
616 | } |
568 | |
617 | |
569 | if ($blocked{$self->{remote_id}}) { |
618 | if ($blocked{$self->{remote_id}}) { |
570 | $self->{h}{connection} = "close"; |
619 | $self->{h}{connection} = "close"; |
571 | die bless {}, err:: |
620 | die bless {}, err::; |
572 | } |
621 | } |
573 | |
622 | |
574 | if (0) { # !AIO |
623 | Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0 |
575 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
|
|
576 | or last; |
624 | or last; |
577 | } else { |
625 | |
578 | aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
626 | $tbf->request (length $buf); |
579 | $buf, 0, sub { |
627 | my $w = $self->{fh}->syswrite ($buf) |
580 | $r = $_[0]; |
|
|
581 | Coro::ready($current); |
|
|
582 | }); |
|
|
583 | &Coro::schedule; |
|
|
584 | last unless $r; |
|
|
585 | } |
|
|
586 | my $w = syswrite $self->{fh}, $buf |
|
|
587 | or last; |
628 | or last; |
588 | $::written += $w; |
629 | $::written += $w; |
589 | $self->{written} += $w; |
630 | $self->{written} += $w; |
590 | $l += $r; |
631 | $l += $w; |
591 | } |
632 | } |
592 | |
633 | |
593 | close $fh; |
634 | close $fh; |
594 | } |
635 | } |
595 | } |
636 | } |
596 | |
637 | |
597 | 1; |
638 | 1 |
|
|
639 | |