1 | use Coro; |
1 | use Coro; |
2 | use Coro::Semaphore; |
2 | use Coro::Semaphore; |
3 | use Coro::Event; |
3 | use Coro::Event; |
4 | use Coro::Socket; |
4 | use Coro::Socket; |
5 | |
5 | |
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6 | use HTTP::Date; |
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7 | |
6 | no utf8; |
8 | no utf8; |
7 | use bytes; |
9 | use bytes; |
8 | |
10 | |
9 | # at least on my machine, this thingy serves files |
11 | # at least on my machine, this thingy serves files |
10 | # quite a bit faster than apache, ;) |
12 | # quite a bit faster than apache, ;) |
11 | # and quite a bit slower than thttpd :( |
13 | # and quite a bit slower than thttpd :( |
12 | |
14 | |
13 | $SIG{PIPE} = 'IGNORE'; |
15 | $SIG{PIPE} = 'IGNORE'; |
14 | |
16 | |
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17 | our $accesslog; |
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18 | |
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19 | if ($ACCESS_LOG) { |
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20 | use IO::Handle; |
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21 | open $accesslog, ">>$ACCESS_LOG" |
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22 | or die "$ACCESS_LOG: $!"; |
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23 | $accesslog->autoflush(1); |
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24 | } |
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25 | |
15 | sub slog { |
26 | sub slog { |
16 | my $level = shift; |
27 | my $level = shift; |
17 | my $format = shift; |
28 | my $format = shift; |
18 | printf "---: $format\n", @_; |
29 | printf "---: $format\n", @_; |
19 | } |
30 | } |
20 | |
31 | |
21 | my $connections = new Coro::Semaphore $MAX_CONNECTS; |
32 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
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33 | |
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34 | our $wait_factor = 0.95; |
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35 | |
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36 | our @transfers = ( |
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37 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
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38 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
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39 | ); |
22 | |
40 | |
23 | my @newcons; |
41 | my @newcons; |
24 | my @pool; |
42 | my @pool; |
25 | |
43 | |
26 | # one "execution thread" |
44 | # one "execution thread" |
27 | sub handler { |
45 | sub handler { |
28 | while () { |
46 | while () { |
29 | my $new = pop @newcons; |
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30 | if ($new) { |
47 | if (@newcons) { |
31 | eval { |
48 | eval { |
32 | conn->new(@$new)->handle; |
49 | conn->new(@{pop @newcons})->handle; |
33 | }; |
50 | }; |
34 | slog 1, "$@" if $@ && !ref $@; |
51 | slog 1, "$@" if $@ && !ref $@; |
35 | $connections->up; |
52 | $connections->up; |
36 | } else { |
53 | } else { |
37 | last if @pool >= $MAX_POOL; |
54 | last if @pool >= $MAX_POOL; |
… | |
… | |
48 | Listen => 50, |
65 | Listen => 50, |
49 | or die "unable to start server"; |
66 | or die "unable to start server"; |
50 | |
67 | |
51 | push @listen_sockets, $http_port; |
68 | push @listen_sockets, $http_port; |
52 | |
69 | |
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70 | our $NOW; |
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71 | our $HTTP_NOW; |
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72 | |
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73 | Event->timer(interval => 1, hard => 1, cb => sub { |
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74 | $NOW = time; |
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75 | $HTTP_NOW = time2str $NOW; |
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76 | })->now; |
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77 | |
53 | # the "main thread" |
78 | # the "main thread" |
54 | async { |
79 | async { |
55 | slog 1, "accepting connections"; |
80 | slog 1, "accepting connections"; |
56 | while () { |
81 | while () { |
57 | $connections->down; |
82 | $connections->down; |
58 | push @newcons, [$http_port->accept]; |
83 | push @newcons, [$http_port->accept]; |
59 | #slog 3, "accepted @$connections ".scalar(@pool); |
84 | #slog 3, "accepted @$connections ".scalar(@pool); |
60 | $::NOW = time; |
|
|
61 | if (@pool) { |
85 | if (@pool) { |
62 | (pop @pool)->ready; |
86 | (pop @pool)->ready; |
63 | } else { |
87 | } else { |
64 | async \&handler; |
88 | async \&handler; |
65 | } |
89 | } |
… | |
… | |
70 | package conn; |
94 | package conn; |
71 | |
95 | |
72 | use Socket; |
96 | use Socket; |
73 | use HTTP::Date; |
97 | use HTTP::Date; |
74 | use Convert::Scalar 'weaken'; |
98 | use Convert::Scalar 'weaken'; |
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99 | use Linux::AIO; |
75 | |
100 | |
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101 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
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102 | |
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103 | Event->io(fd => Linux::AIO::poll_fileno, |
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104 | poll => 'r', async => 1, |
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105 | cb => \&Linux::AIO::poll_cb); |
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106 | |
76 | our %conn; # $conn{ip}{fh} => connobj |
107 | our %conn; # $conn{ip}{self} => connobj |
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108 | our %uri; # $uri{ip}{uri}{self} |
77 | our %blocked; |
109 | our %blocked; |
78 | our %mimetype; |
110 | our %mimetype; |
79 | |
111 | |
80 | sub read_mimetypes { |
112 | sub read_mimetypes { |
81 | local *M; |
113 | local *M; |
… | |
… | |
101 | or $self->err(500, "unable to decode peername"); |
133 | or $self->err(500, "unable to decode peername"); |
102 | |
134 | |
103 | $self->{remote_addr} = inet_ntoa $iaddr; |
135 | $self->{remote_addr} = inet_ntoa $iaddr; |
104 | $self->{time} = $::NOW; |
136 | $self->{time} = $::NOW; |
105 | |
137 | |
106 | # enter ourselves into various lists |
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107 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
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108 | |
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109 | $::conns++; |
138 | $::conns++; |
110 | |
139 | |
111 | $self; |
140 | $self; |
112 | } |
141 | } |
113 | |
142 | |
114 | sub DESTROY { |
143 | sub DESTROY { |
115 | my $self = shift; |
144 | my $self = shift; |
116 | |
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117 | $::conns--; |
145 | $::conns--; |
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146 | $self->eoconn; |
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147 | } |
118 | |
148 | |
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149 | # end of connection |
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150 | sub eoconn { |
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151 | my $self = shift; |
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152 | |
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153 | # clean up hints |
119 | delete $conn{$self->{remote_addr}}{$self*1}; |
154 | delete $conn{$self->{remote_id}}{$self*1}; |
120 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
155 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
121 | } |
156 | } |
122 | |
157 | |
123 | sub slog { |
158 | sub slog { |
124 | my $self = shift; |
159 | my $self = shift; |
125 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
160 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
126 | } |
161 | } |
127 | |
162 | |
128 | sub response { |
163 | sub response { |
129 | my ($self, $code, $msg, $hdr, $content) = @_; |
164 | my ($self, $code, $msg, $hdr, $content) = @_; |
130 | my $res = "HTTP/1.0 $code $msg\015\012"; |
165 | my $res = "HTTP/1.1 $code $msg\015\012"; |
131 | |
166 | |
132 | $res .= "Connection: close\015\012"; |
167 | $self->{h}{connection} ||= $hdr->{Connection}; |
133 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
168 | |
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169 | $res .= "Date: $HTTP_NOW\015\012"; |
134 | |
170 | |
135 | while (my ($h, $v) = each %$hdr) { |
171 | while (my ($h, $v) = each %$hdr) { |
136 | $res .= "$h: $v\015\012" |
172 | $res .= "$h: $v\015\012" |
137 | } |
173 | } |
138 | $res .= "\015\012"; |
174 | $res .= "\015\012"; |
139 | |
175 | |
140 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
176 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
141 | |
177 | |
142 | print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# |
178 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
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179 | |
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180 | print $accesslog $log if $accesslog; |
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181 | print STDERR $log; |
143 | |
182 | |
144 | $self->{written} += |
183 | $self->{written} += |
145 | print {$self->{fh}} $res; |
184 | print {$self->{fh}} $res; |
146 | } |
185 | } |
147 | |
186 | |
148 | sub err { |
187 | sub err { |
149 | my $self = shift; |
188 | my $self = shift; |
150 | my ($code, $msg, $hdr, $content) = @_; |
189 | my ($code, $msg, $hdr, $content) = @_; |
151 | |
190 | |
152 | unless (defined $content) { |
191 | unless (defined $content) { |
153 | $content = "$code $msg"; |
192 | $content = "$code $msg\n"; |
154 | $hdr->{"Content-Type"} = "text/plain"; |
193 | $hdr->{"Content-Type"} = "text/plain"; |
155 | $hdr->{"Content-Length"} = length $content; |
194 | $hdr->{"Content-Length"} = length $content; |
156 | } |
195 | } |
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196 | $hdr->{"Connection"} = "close"; |
157 | |
197 | |
158 | $self->response($code, $msg, $hdr, $content); |
198 | $self->response($code, $msg, $hdr, $content); |
159 | |
199 | |
160 | die bless {}, err::; |
200 | die bless {}, err::; |
161 | } |
201 | } |
162 | |
202 | |
163 | sub err_blocked { |
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164 | my $self = shift; |
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165 | my $ip = $self->{remote_addr}; |
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166 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
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167 | |
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168 | Coro::Event::do_timer(after => 15); |
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169 | |
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170 | $self->err(401, "too many connections", |
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171 | { |
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172 | "Content-Type" => "text/html", |
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173 | "Retry-After" => $::BLOCKTIME |
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174 | }, |
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175 | <<EOF); |
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176 | <html><p> |
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177 | You have been blocked because you opened too many connections. You |
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178 | may retry at</p> |
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179 | |
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180 | <p><blockquote>$time.</blockquote></p> |
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181 | |
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182 | <p>Until then, each new access will renew the block. You might want to have a |
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183 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
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184 | </html> |
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185 | EOF |
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186 | } |
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187 | |
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188 | sub handle { |
203 | sub handle { |
189 | my $self = shift; |
204 | my $self = shift; |
190 | my $fh = $self->{fh}; |
205 | my $fh = $self->{fh}; |
191 | |
206 | |
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207 | my $host; |
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208 | |
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209 | $fh->timeout($::REQ_TIMEOUT); |
192 | #while() { |
210 | while() { |
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211 | $self->{reqs}++; |
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212 | |
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213 | # read request and parse first line |
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214 | my $req = $fh->readline("\015\012\015\012"); |
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215 | |
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216 | unless (defined $req) { |
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217 | if (exists $self->{version}) { |
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218 | last; |
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219 | } else { |
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220 | $self->err(408, "request timeout"); |
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221 | } |
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222 | } |
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223 | |
193 | $self->{h} = {}; |
224 | $self->{h} = {}; |
194 | |
225 | |
195 | # read request and parse first line |
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196 | $fh->timeout($::REQ_TIMEOUT); |
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197 | my $req = $fh->readline("\015\012\015\012"); |
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198 | $fh->timeout($::RES_TIMEOUT); |
226 | $fh->timeout($::RES_TIMEOUT); |
199 | |
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200 | defined $req or |
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201 | $self->err(408, "request timeout"); |
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202 | |
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203 | my $ip = $self->{remote_addr}; |
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204 | |
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205 | $self->err_blocked($blocked{$ip}); |
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206 | if ($blocked{$ip}) { |
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207 | $self->err_blocked($blocked{$ip}) |
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208 | if $blocked{$ip} > $::NOW; |
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209 | |
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210 | delete $blocked{$ip}; |
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211 | } |
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212 | |
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213 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
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214 | $self->slog(2, "blocked ip $ip"); |
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215 | $self->err_blocked; |
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216 | } |
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217 | |
227 | |
218 | $req =~ /^(?:\015\012)? |
228 | $req =~ /^(?:\015\012)? |
219 | (GET|HEAD) \040+ |
229 | (GET|HEAD) \040+ |
220 | ([^\040]+) \040+ |
230 | ([^\040]+) \040+ |
221 | HTTP\/([0-9]+\.[0-9]+) |
231 | HTTP\/([0-9]+\.[0-9]+) |
222 | \015\012/gx |
232 | \015\012/gx |
223 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
233 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
224 | |
234 | |
225 | $2 ne "1.0" |
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226 | or $self->err(506, "http protocol version not supported"); |
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227 | |
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228 | $self->{method} = $1; |
235 | $self->{method} = $1; |
229 | $self->{uri} = $2; |
236 | $self->{uri} = $2; |
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237 | $self->{version} = $3; |
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238 | |
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239 | $3 =~ /^1\./ |
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240 | or $self->err(506, "http protocol version $3 not supported"); |
230 | |
241 | |
231 | # parse headers |
242 | # parse headers |
232 | { |
243 | { |
233 | my (%hdr, $h, $v); |
244 | my (%hdr, $h, $v); |
234 | |
245 | |
… | |
… | |
245 | |
256 | |
246 | $self->{h}{$h} = substr $v, 1 |
257 | $self->{h}{$h} = substr $v, 1 |
247 | while ($h, $v) = each %hdr; |
258 | while ($h, $v) = each %hdr; |
248 | } |
259 | } |
249 | |
260 | |
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261 | # remote id should be unique per user |
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262 | my $id = $self->{remote_addr}; |
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263 | |
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264 | if (exists $self->{h}{"client-ip"}) { |
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265 | $id .= "[".$self->{h}{"client-ip"}."]"; |
|
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266 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
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267 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
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268 | } |
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269 | |
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270 | $self->{remote_id} = $id; |
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271 | |
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272 | if ($blocked{$id}) { |
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273 | $self->err_blocked($blocked{$id}) |
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274 | if $blocked{$id} > $::NOW; |
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275 | |
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276 | delete $blocked{$id}; |
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277 | } |
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278 | |
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279 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
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280 | my $delay = $::PER_TIMEOUT + 15; |
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281 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
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282 | if ($delay <= 0) { |
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283 | $self->slog(2, "blocked ip $id"); |
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284 | $self->err_blocked; |
|
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285 | } else { |
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286 | Coro::Event::do_timer(after => 4); $delay -= 4; |
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287 | } |
|
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288 | } |
|
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289 | } |
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290 | |
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291 | # find out server name and port |
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292 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
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293 | $host = $1; |
|
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294 | } else { |
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295 | $host = $self->{h}{host}; |
|
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296 | } |
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297 | |
|
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298 | if (defined $host) { |
250 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
299 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
|
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300 | } else { |
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301 | ($self->{server_port}, $host) |
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302 | = unpack_sockaddr_in $self->{fh}->getsockname |
|
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303 | or $self->err(500, "unable to get socket name"); |
|
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304 | $host = inet_ntoa $host; |
|
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305 | } |
251 | |
306 | |
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307 | $self->{server_name} = $host; |
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308 | |
|
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309 | # enter ourselves into various lists |
|
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310 | weaken ($conn{$id}{$self*1} = $self); |
252 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
311 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
253 | |
312 | |
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313 | eval { |
254 | $self->map_uri; |
314 | $self->map_uri; |
255 | $self->respond; |
315 | $self->respond; |
|
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316 | }; |
|
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317 | |
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318 | $self->eoconn; |
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319 | |
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320 | die if $@ && !ref $@; |
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321 | |
|
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322 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
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323 | |
|
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324 | $fh->timeout($::PER_TIMEOUT); |
256 | #} |
325 | } |
257 | } |
326 | } |
258 | |
327 | |
259 | # uri => path mapping |
328 | # uri => path mapping |
260 | sub map_uri { |
329 | sub map_uri { |
261 | my $self = shift; |
330 | my $self = shift; |
262 | my $host = $self->{h}{host} || "default"; |
331 | my $host = $self->{server_name}; |
263 | my $uri = $self->{uri}; |
332 | my $uri = $self->{uri}; |
264 | |
333 | |
265 | # some massaging, also makes it more secure |
334 | # some massaging, also makes it more secure |
266 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
335 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
267 | $uri =~ s%//+%/%g; |
336 | $uri =~ s%//+%/%g; |
… | |
… | |
277 | $self->{path} = "$::DOCROOT/$host$uri"; |
346 | $self->{path} = "$::DOCROOT/$host$uri"; |
278 | |
347 | |
279 | $self->access_check; |
348 | $self->access_check; |
280 | } |
349 | } |
281 | |
350 | |
282 | sub server_address { |
|
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283 | my $self = shift; |
|
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284 | my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname |
|
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285 | or $self->err(500, "unable to get socket name"); |
|
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286 | ((inet_ntoa $iaddr), $port); |
|
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287 | } |
|
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288 | |
|
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289 | sub server_host { |
|
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290 | my $self = shift; |
|
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291 | if (exists $self->{h}{host}) { |
|
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292 | return $self->{h}{host}; |
|
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293 | } else { |
|
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294 | return (($self->server_address)[0]); |
|
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295 | } |
|
|
296 | } |
|
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297 | |
|
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298 | sub server_hostport { |
|
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299 | my $self = shift; |
|
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300 | my ($host, $port); |
|
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301 | if (exists $self->{h}{host}) { |
|
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302 | ($host, $port) = ($self->{h}{host}, $self->{server_port}); |
|
|
303 | } else { |
|
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304 | ($host, $port) = $self->server_address; |
|
|
305 | } |
|
|
306 | $port = $port == 80 ? "" : ":$port"; |
|
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307 | $host.$port; |
|
|
308 | } |
|
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309 | |
|
|
310 | sub _cgi { |
351 | sub _cgi { |
311 | my $self = shift; |
352 | my $self = shift; |
312 | my $path = shift; |
353 | my $path = shift; |
313 | my $fh; |
354 | my $fh; |
314 | |
355 | |
315 | # no two-way xxx supported |
356 | # no two-way xxx supported |
316 | if (0 == fork) { |
357 | if (0 == fork) { |
317 | open STDOUT, ">&".fileno($self->{fh}); |
358 | open STDOUT, ">&".fileno($self->{fh}); |
318 | if (chdir $::DOCROOT) { |
359 | if (chdir $::DOCROOT) { |
319 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
360 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
320 | $ENV{HTTP_HOST} = $self->server_host; |
361 | $ENV{HTTP_HOST} = $self->{server_name}; |
321 | $ENV{HTTP_PORT} = $self->{server_host}; |
362 | $ENV{HTTP_PORT} = $self->{server_port}; |
322 | $ENV{SCRIPT_NAME} = $self->{name}; |
363 | $ENV{SCRIPT_NAME} = $self->{name}; |
323 | exec $path; |
364 | exec $path; |
324 | } |
365 | } |
325 | Coro::State::_exit(0); |
366 | Coro::State::_exit(0); |
326 | } else { |
367 | } else { |
|
|
368 | die; |
327 | } |
369 | } |
|
|
370 | } |
|
|
371 | |
|
|
372 | sub server_hostport { |
|
|
373 | $_[0]{server_port} == 80 |
|
|
374 | ? $_[0]{server_name} |
|
|
375 | : "$_[0]{server_name}:$_[0]{server_port}"; |
328 | } |
376 | } |
329 | |
377 | |
330 | sub respond { |
378 | sub respond { |
331 | my $self = shift; |
379 | my $self = shift; |
332 | my $path = $self->{path}; |
380 | my $path = $self->{path}; |
… | |
… | |
342 | |
390 | |
343 | if (-d _ && -r _) { |
391 | if (-d _ && -r _) { |
344 | # directory |
392 | # directory |
345 | if ($path !~ /\/$/) { |
393 | if ($path !~ /\/$/) { |
346 | # create a redirect to get the trailing "/" |
394 | # create a redirect to get the trailing "/" |
347 | my $host = $self->server_hostport; |
395 | # we don't try to avoid the :80 |
348 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
396 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
349 | } else { |
397 | } else { |
350 | $ims < $self->{stat}[9] |
398 | $ims < $self->{stat}[9] |
351 | or $self->err(304, "not modified"); |
399 | or $self->err(304, "not modified"); |
352 | |
400 | |
353 | if ($self->{method} eq "GET") { |
|
|
354 | if (-r "$path/index.html") { |
401 | if (-r "$path/index.html") { |
355 | $self->{path} .= "/index.html"; |
402 | $self->{path} .= "/index.html"; |
356 | $self->handle_file; |
403 | $self->handle_file; |
357 | } else { |
404 | } else { |
358 | $self->handle_dir; |
405 | $self->handle_dir; |
359 | } |
|
|
360 | } |
406 | } |
361 | } |
407 | } |
362 | } elsif (-f _ && -r _) { |
408 | } elsif (-f _ && -r _) { |
363 | -x _ and $self->err(403, "forbidden"); |
409 | -x _ and $self->err(403, "forbidden"); |
364 | $self->handle_file; |
410 | $self->handle_file; |
… | |
… | |
379 | $idx); |
425 | $idx); |
380 | } |
426 | } |
381 | |
427 | |
382 | sub handle_file { |
428 | sub handle_file { |
383 | my $self = shift; |
429 | my $self = shift; |
384 | my $length = -s _; |
430 | my $length = $self->{stat}[7]; |
|
|
431 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
385 | my $hdr = { |
432 | my $hdr = { |
386 | "Last-Modified" => time2str ((stat _)[9]), |
433 | "Last-Modified" => time2str ((stat _)[9]), |
387 | }; |
434 | }; |
388 | |
435 | |
389 | my @code = (200, "ok"); |
436 | my @code = (200, "ok"); |
… | |
… | |
397 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
444 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
398 | } else { |
445 | } else { |
399 | ($l, $h) = (0, $length - 1); |
446 | ($l, $h) = (0, $length - 1); |
400 | goto ignore; |
447 | goto ignore; |
401 | } |
448 | } |
402 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
449 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
403 | } |
450 | } |
404 | $hdr->{"Content-Range"} = "bytes */$length"; |
451 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
452 | $hdr->{"Content-Length"} = $length; |
405 | $self->err(416, "not satisfiable", $hdr); |
453 | $self->err(416, "not satisfiable", $hdr, ""); |
406 | |
454 | |
407 | satisfiable: |
455 | satisfiable: |
408 | # check for segmented downloads |
456 | # check for segmented downloads |
409 | if ($l && $::NO_SEGMENTED) { |
457 | if ($l && $::NO_SEGMENTED) { |
|
|
458 | my $delay = $::PER_TIMEOUT + 15; |
410 | if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
459 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
|
|
460 | if ($delay <= 0) { |
|
|
461 | $self->err_segmented_download; |
|
|
462 | } else { |
411 | Coro::Event::do_timer(after => 15); |
463 | Coro::Event::do_timer(after => 4); $delay -= 4; |
412 | |
464 | } |
413 | $self->err(400, "segmented downloads are not allowed"); |
|
|
414 | } |
465 | } |
415 | } |
466 | } |
416 | |
467 | |
417 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
468 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
418 | @code = (206, "partial content"); |
469 | @code = (206, "partial content"); |
… | |
… | |
428 | $hdr->{"Content-Length"} = $length; |
479 | $hdr->{"Content-Length"} = $length; |
429 | |
480 | |
430 | $self->response(@code, $hdr, ""); |
481 | $self->response(@code, $hdr, ""); |
431 | |
482 | |
432 | if ($self->{method} eq "GET") { |
483 | if ($self->{method} eq "GET") { |
|
|
484 | $self->{time} = $::NOW; |
|
|
485 | |
|
|
486 | my $fudge = $queue->[0]->waiters; |
|
|
487 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
|
|
488 | |
|
|
489 | $queue->[1] *= $fudge; |
|
|
490 | my $transfer = $queue->[0]->guard; |
|
|
491 | |
|
|
492 | if ($fudge != 1) { |
|
|
493 | $queue->[1] /= $fudge; |
|
|
494 | $queue->[1] = $queue->[1] * $::wait_factor |
|
|
495 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
|
496 | } |
|
|
497 | $self->{time} = $::NOW; |
|
|
498 | |
|
|
499 | $self->{fh}->writable or return; |
|
|
500 | |
433 | my ($fh, $buf); |
501 | my ($fh, $buf, $r); |
|
|
502 | my $current = $Coro::current; |
434 | open $fh, "<", $self->{path} |
503 | open $fh, "<", $self->{path} |
435 | or die "$self->{path}: late open failure ($!)"; |
504 | or die "$self->{path}: late open failure ($!)"; |
436 | |
505 | |
437 | if ($l) { |
|
|
438 | sysseek $fh, $l, 0 |
|
|
439 | or die "$self->{path}: cannot seek to $l ($!)"; |
|
|
440 | } |
|
|
441 | |
|
|
442 | $h -= $l - 1; |
506 | $h -= $l - 1; |
443 | |
507 | |
|
|
508 | if (0) { |
|
|
509 | if ($l) { |
|
|
510 | sysseek $fh, $l, 0; |
|
|
511 | } |
|
|
512 | } |
|
|
513 | |
444 | while ($h > 0) { |
514 | while ($h > 0) { |
|
|
515 | if (0) { |
445 | $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; |
516 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
446 | my $w = $self->{fh}->syswrite($buf) |
517 | or last; |
|
|
518 | } else { |
|
|
519 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
520 | $buf, 0, sub { |
|
|
521 | $r = $_[0]; |
|
|
522 | Coro::ready($current); |
|
|
523 | }); |
|
|
524 | &Coro::schedule; |
|
|
525 | last unless $r; |
|
|
526 | } |
|
|
527 | my $w = syswrite $self->{fh}, $buf |
447 | or last; |
528 | or last; |
448 | $::written += $w; |
529 | $::written += $w; |
449 | $self->{written} += $w; |
530 | $self->{written} += $w; |
|
|
531 | $l += $r; |
450 | } |
532 | } |
451 | } |
|
|
452 | |
533 | |
453 | close $fh; |
534 | close $fh; |
|
|
535 | } |
454 | } |
536 | } |
455 | |
537 | |
456 | 1; |
538 | 1; |