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; |
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5 | use Coro::Signal; |
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6 | |
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7 | use HTTP::Date; |
5 | |
8 | |
6 | no utf8; |
9 | no utf8; |
7 | use bytes; |
10 | use bytes; |
8 | |
11 | |
9 | # at least on my machine, this thingy serves files |
12 | # at least on my machine, this thingy serves files |
10 | # quite a bit faster than apache, ;) |
13 | # quite a bit faster than apache, ;) |
11 | # and quite a bit slower than thttpd :( |
14 | # and quite a bit slower than thttpd :( |
12 | |
15 | |
13 | $SIG{PIPE} = 'IGNORE'; |
16 | $SIG{PIPE} = 'IGNORE'; |
14 | |
17 | |
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18 | our $accesslog; |
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19 | |
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20 | if ($ACCESS_LOG) { |
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21 | use IO::Handle; |
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22 | open $accesslog, ">>$ACCESS_LOG" |
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23 | or die "$ACCESS_LOG: $!"; |
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24 | $accesslog->autoflush(1); |
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25 | } |
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26 | |
15 | sub slog { |
27 | sub slog { |
16 | my $level = shift; |
28 | my $level = shift; |
17 | my $format = shift; |
29 | my $format = shift; |
18 | printf "---: $format\n", @_; |
30 | printf "---: $format\n", @_; |
19 | } |
31 | } |
20 | |
32 | |
21 | my $connections = new Coro::Semaphore $MAX_CONNECTS; |
33 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
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34 | our $httpevent = new Coro::Signal; |
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35 | |
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36 | our $wait_factor = 0.95; |
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37 | |
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38 | our @transfers = ( |
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39 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
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40 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
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41 | ); |
22 | |
42 | |
23 | my @newcons; |
43 | my @newcons; |
24 | my @pool; |
44 | my @pool; |
25 | |
45 | |
26 | # one "execution thread" |
46 | # one "execution thread" |
27 | sub handler { |
47 | sub handler { |
28 | while () { |
48 | while () { |
29 | my $new = pop @newcons; |
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30 | if ($new) { |
49 | if (@newcons) { |
31 | eval { |
50 | eval { |
32 | conn->new(@$new)->handle; |
51 | conn->new(@{pop @newcons})->handle; |
33 | }; |
52 | }; |
34 | slog 1, "$@" if $@ && !ref $@; |
53 | slog 1, "$@" if $@ && !ref $@; |
35 | $connections->up; |
54 | $connections->up; |
36 | } else { |
55 | } else { |
37 | last if @pool >= $MAX_POOL; |
56 | last if @pool >= $MAX_POOL; |
… | |
… | |
39 | schedule; |
58 | schedule; |
40 | } |
59 | } |
41 | } |
60 | } |
42 | } |
61 | } |
43 | |
62 | |
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63 | sub listen_on { |
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64 | my $listen = $_[0]; |
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65 | |
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66 | push @listen_sockets, $listen; |
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67 | |
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68 | # the "main thread" |
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69 | async { |
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70 | slog 1, "accepting connections"; |
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71 | while () { |
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72 | $connections->down; |
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73 | push @newcons, [$listen->accept]; |
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74 | #slog 3, "accepted @$connections ".scalar(@pool); |
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75 | if (@pool) { |
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76 | (pop @pool)->ready; |
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77 | } else { |
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78 | async \&handler; |
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79 | } |
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80 | |
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81 | } |
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82 | }; |
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83 | } |
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84 | |
44 | my $http_port = new Coro::Socket |
85 | my $http_port = new Coro::Socket |
45 | LocalAddr => $SERVER_HOST, |
86 | LocalAddr => $SERVER_HOST, |
46 | LocalPort => $SERVER_PORT, |
87 | LocalPort => $SERVER_PORT, |
47 | ReuseAddr => 1, |
88 | ReuseAddr => 1, |
48 | Listen => 1, |
89 | Listen => 50, |
49 | or die "unable to start server"; |
90 | or die "unable to start server"; |
50 | |
91 | |
51 | push @listen_sockets, $http_port; |
92 | listen_on $http_port; |
52 | |
93 | |
53 | # the "main thread" |
94 | if ($SERVER_PORT2) { |
54 | async { |
95 | my $http_port = new Coro::Socket |
55 | slog 1, "accepting connections"; |
96 | LocalAddr => $SERVER_HOST, |
56 | while () { |
97 | LocalPort => $SERVER_PORT2, |
57 | $connections->down; |
98 | ReuseAddr => 1, |
58 | push @newcons, [$http_port->accept]; |
99 | Listen => 50, |
59 | #slog 3, "accepted @$connections ".scalar(@pool); |
100 | or die "unable to start server"; |
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101 | |
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102 | listen_on $http_port; |
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103 | } |
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104 | |
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105 | our $NOW; |
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106 | our $HTTP_NOW; |
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107 | |
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108 | Event->timer(interval => 1, hard => 1, cb => sub { |
60 | $::NOW = time; |
109 | $NOW = time; |
61 | if (@pool) { |
110 | $HTTP_NOW = time2str $NOW; |
62 | (pop @pool)->ready; |
111 | })->now; |
63 | } else { |
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64 | async \&handler; |
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65 | } |
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66 | |
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67 | } |
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68 | }; |
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69 | |
112 | |
70 | package conn; |
113 | package conn; |
71 | |
114 | |
72 | use Socket; |
115 | use Socket; |
73 | use HTTP::Date; |
116 | use HTTP::Date; |
74 | use Convert::Scalar 'weaken'; |
117 | use Convert::Scalar 'weaken'; |
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118 | use Linux::AIO; |
75 | |
119 | |
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120 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
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121 | |
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122 | Event->io(fd => Linux::AIO::poll_fileno, |
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123 | poll => 'r', async => 1, |
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124 | cb => \&Linux::AIO::poll_cb); |
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125 | |
76 | our %conn; # $conn{ip}{fh} => connobj |
126 | our %conn; # $conn{ip}{self} => connobj |
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127 | our %uri; # $uri{ip}{uri}{self} |
77 | our %blocked; |
128 | our %blocked; |
78 | our %mimetype; |
129 | our %mimetype; |
79 | |
130 | |
80 | sub read_mimetypes { |
131 | sub read_mimetypes { |
81 | local *M; |
132 | local *M; |
… | |
… | |
92 | |
143 | |
93 | read_mimetypes; |
144 | read_mimetypes; |
94 | |
145 | |
95 | sub new { |
146 | sub new { |
96 | my $class = shift; |
147 | my $class = shift; |
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148 | my $fh = shift; |
97 | my $peername = shift; |
149 | my $peername = shift; |
98 | my $fh = shift; |
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99 | my $self = bless { fh => $fh }, $class; |
150 | my $self = bless { fh => $fh }, $class; |
100 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
151 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
101 | or $self->err(500, "unable to decode peername"); |
152 | or $self->err(500, "unable to decode peername"); |
102 | |
153 | |
103 | $self->{remote_addr} = inet_ntoa $iaddr; |
154 | $self->{remote_addr} = inet_ntoa $iaddr; |
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155 | $self->{time} = $::NOW; |
104 | |
156 | |
105 | # enter ourselves into various lists |
157 | $::conns++; |
106 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
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107 | |
158 | |
108 | $self; |
159 | $self; |
109 | } |
160 | } |
110 | |
161 | |
111 | sub DESTROY { |
162 | sub DESTROY { |
112 | my $self = shift; |
163 | my $self = shift; |
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164 | $::conns--; |
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165 | $self->eoconn; |
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166 | } |
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167 | |
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168 | # end of connection |
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169 | sub eoconn { |
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170 | my $self = shift; |
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171 | |
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172 | # clean up hints |
113 | delete $conn{$self->{remote_addr}}{$self*1}; |
173 | delete $conn{$self->{remote_id}}{$self*1}; |
114 | delete $uri{$self->{uri}}{$self*1}; |
174 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
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175 | |
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176 | $httpevent->broadcast; |
115 | } |
177 | } |
116 | |
178 | |
117 | sub slog { |
179 | sub slog { |
118 | my $self = shift; |
180 | my $self = shift; |
119 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
181 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
120 | } |
182 | } |
121 | |
183 | |
122 | sub response { |
184 | sub response { |
123 | my ($self, $code, $msg, $hdr, $content) = @_; |
185 | my ($self, $code, $msg, $hdr, $content) = @_; |
124 | my $res = "HTTP/1.0 $code $msg\015\012"; |
186 | my $res = "HTTP/1.1 $code $msg\015\012"; |
125 | |
187 | |
126 | $res .= "Connection: close\015\012"; |
188 | if (exists $hdr->{Connection}) { |
127 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
189 | if ($hdr->{Connection} =~ /close/) { |
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190 | $self->{h}{connection} = "close" |
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191 | } |
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192 | } else { |
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193 | if ($self->{version} < 1.1) { |
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194 | if ($self->{h}{connection} =~ /keep-alive/i) { |
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195 | $hdr->{Connection} = "Keep-Alive"; |
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196 | } else { |
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197 | $self->{h}{connection} = "close" |
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198 | } |
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199 | } |
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200 | } |
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201 | |
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202 | $res .= "Date: $HTTP_NOW\015\012"; |
128 | |
203 | |
129 | while (my ($h, $v) = each %$hdr) { |
204 | while (my ($h, $v) = each %$hdr) { |
130 | $res .= "$h: $v\015\012" |
205 | $res .= "$h: $v\015\012" |
131 | } |
206 | } |
132 | $res .= "\015\012"; |
207 | $res .= "\015\012"; |
133 | |
208 | |
134 | $res .= $content if defined $content and $self->{method} eq "GET"; |
209 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
135 | |
210 | |
136 | print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# |
211 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
137 | |
212 | |
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213 | print $accesslog $log if $accesslog; |
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214 | print STDERR $log; |
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215 | |
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216 | $self->{written} += |
138 | print {$self->{fh}} $res; |
217 | print {$self->{fh}} $res; |
139 | } |
218 | } |
140 | |
219 | |
141 | sub err { |
220 | sub err { |
142 | my $self = shift; |
221 | my $self = shift; |
143 | my ($code, $msg, $hdr, $content) = @_; |
222 | my ($code, $msg, $hdr, $content) = @_; |
144 | |
223 | |
145 | unless (defined $content) { |
224 | unless (defined $content) { |
146 | $content = "$code $msg"; |
225 | $content = "$code $msg\n"; |
147 | $hdr->{"Content-Type"} = "text/plain"; |
226 | $hdr->{"Content-Type"} = "text/plain"; |
148 | $hdr->{"Content-Length"} = length $content; |
227 | $hdr->{"Content-Length"} = length $content; |
149 | } |
228 | } |
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229 | $hdr->{"Connection"} = "close"; |
150 | |
230 | |
151 | $self->response($code, $msg, $hdr, $content); |
231 | $self->response($code, $msg, $hdr, $content); |
152 | |
232 | |
153 | die bless {}, err::; |
233 | die bless {}, err::; |
154 | } |
234 | } |
155 | |
235 | |
156 | sub err_blocked { |
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157 | my $self = shift; |
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158 | my $ip = $self->{remote_addr}; |
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159 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
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160 | |
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161 | Coro::Event::do_timer(after => 5); |
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162 | |
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163 | $self->err(403, "too many connections", |
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164 | { |
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165 | "Content-Type" => "text/html", |
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166 | "Retry-After" => $::BLOCKTIME |
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167 | }, |
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168 | <<EOF); |
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169 | <html><p> |
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170 | You have been blocked because you opened too many connections. You |
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171 | may retry at</p> |
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172 | |
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173 | <p><blockquote>$time.</blockquote></p> |
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174 | |
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175 | <p>Until then, each new access will renew the block. You might want to have a |
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176 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
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177 | </html> |
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178 | EOF |
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179 | } |
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180 | |
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181 | sub handle { |
236 | sub handle { |
182 | my $self = shift; |
237 | my $self = shift; |
183 | my $fh = $self->{fh}; |
238 | my $fh = $self->{fh}; |
184 | |
239 | |
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240 | my $host; |
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241 | |
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242 | $fh->timeout($::REQ_TIMEOUT); |
185 | #while() { |
243 | while() { |
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244 | $self->{reqs}++; |
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245 | |
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246 | # read request and parse first line |
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247 | my $req = $fh->readline("\015\012\015\012"); |
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248 | |
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249 | unless (defined $req) { |
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250 | if (exists $self->{version}) { |
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251 | last; |
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252 | } else { |
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253 | $self->err(408, "request timeout"); |
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254 | } |
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255 | } |
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256 | |
186 | $self->{h} = {}; |
257 | $self->{h} = {}; |
187 | |
258 | |
188 | # read request and parse first line |
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189 | $fh->timeout($::REQ_TIMEOUT); |
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190 | my $req = $fh->readline("\015\012\015\012"); |
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191 | $fh->timeout($::RES_TIMEOUT); |
259 | $fh->timeout($::RES_TIMEOUT); |
192 | |
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193 | defined $req or |
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194 | $self->err(408, "request timeout"); |
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195 | |
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196 | my $ip = $self->{remote_addr}; |
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197 | |
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198 | if ($blocked{$ip}) { |
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199 | $self->err_blocked($blocked{$ip}) |
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200 | if $blocked{$ip} > $::NOW; |
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201 | |
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202 | delete $blocked{$ip}; |
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203 | } |
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204 | |
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205 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
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206 | $self->slog("blocked ip $ip"); |
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207 | $self->err_blocked; |
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208 | } |
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209 | |
260 | |
210 | $req =~ /^(?:\015\012)? |
261 | $req =~ /^(?:\015\012)? |
211 | (GET|HEAD) \040+ |
262 | (GET|HEAD) \040+ |
212 | ([^\040]+) \040+ |
263 | ([^\040]+) \040+ |
213 | HTTP\/([0-9]+\.[0-9]+) |
264 | HTTP\/([0-9]+\.[0-9]+) |
214 | \015\012/gx |
265 | \015\012/gx |
215 | or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); |
266 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
216 | |
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217 | $2 ne "1.0" |
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218 | or $self->err(506, "http protocol version not supported"); |
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219 | |
267 | |
220 | $self->{method} = $1; |
268 | $self->{method} = $1; |
221 | $self->{uri} = $2; |
269 | $self->{uri} = $2; |
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270 | $self->{version} = $3; |
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271 | |
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272 | $3 =~ /^1\./ |
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273 | or $self->err(506, "http protocol version $3 not supported"); |
222 | |
274 | |
223 | # parse headers |
275 | # parse headers |
224 | { |
276 | { |
225 | my (%hdr, $h, $v); |
277 | my (%hdr, $h, $v); |
226 | |
278 | |
… | |
… | |
237 | |
289 | |
238 | $self->{h}{$h} = substr $v, 1 |
290 | $self->{h}{$h} = substr $v, 1 |
239 | while ($h, $v) = each %hdr; |
291 | while ($h, $v) = each %hdr; |
240 | } |
292 | } |
241 | |
293 | |
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294 | # remote id should be unique per user |
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295 | my $id = $self->{remote_addr}; |
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296 | |
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297 | if (exists $self->{h}{"client-ip"}) { |
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298 | $id .= "[".$self->{h}{"client-ip"}."]"; |
|
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299 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
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300 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
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301 | } |
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302 | |
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303 | $self->{remote_id} = $id; |
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304 | |
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305 | if ($blocked{$id}) { |
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306 | $self->err_blocked($blocked{$id}) |
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307 | if $blocked{$id} > $::NOW; |
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308 | |
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309 | delete $blocked{$id}; |
|
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310 | } |
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311 | |
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312 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
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313 | my $delay = $::PER_TIMEOUT + $::NOW + 15; |
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314 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
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315 | if ($delay < $::NOW) { |
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316 | $self->slog(2, "blocked ip $id"); |
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317 | $self->err_blocked; |
|
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318 | } else { |
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319 | $httpevent->wait; |
|
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320 | } |
|
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321 | } |
|
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322 | } |
|
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323 | |
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324 | # find out server name and port |
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325 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
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326 | $host = $1; |
|
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327 | } else { |
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328 | $host = $self->{h}{host}; |
|
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329 | } |
|
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330 | |
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331 | if (defined $host) { |
242 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
332 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
|
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333 | } else { |
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334 | ($self->{server_port}, $host) |
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335 | = unpack_sockaddr_in $self->{fh}->sockname |
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336 | or $self->err(500, "unable to get socket name"); |
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337 | $host = inet_ntoa $host; |
|
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338 | } |
243 | |
339 | |
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340 | $self->{server_name} = $host; |
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341 | |
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342 | # enter ourselves into various lists |
|
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343 | weaken ($conn{$id}{$self*1} = $self); |
244 | weaken ($uri{$self->{uri}}{$self*1} = $self); |
344 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
245 | |
345 | |
|
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346 | eval { |
246 | $self->map_uri; |
347 | $self->map_uri; |
247 | $self->respond; |
348 | $self->respond; |
|
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349 | }; |
|
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350 | |
|
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351 | $self->eoconn; |
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352 | |
|
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353 | die if $@ && !ref $@; |
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354 | |
|
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355 | last if $self->{h}{connection} =~ /close/; |
|
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356 | |
|
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357 | $httpevent->broadcast; |
|
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358 | |
|
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359 | $fh->timeout($::PER_TIMEOUT); |
248 | #} |
360 | } |
249 | } |
361 | } |
250 | |
362 | |
251 | # uri => path mapping |
363 | # uri => path mapping |
252 | sub map_uri { |
364 | sub map_uri { |
253 | my $self = shift; |
365 | my $self = shift; |
254 | my $host = $self->{h}{host} || "default"; |
366 | my $host = $self->{server_name}; |
255 | my $uri = $self->{uri}; |
367 | my $uri = $self->{uri}; |
256 | |
368 | |
257 | # some massaging, also makes it more secure |
369 | # some massaging, also makes it more secure |
258 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
370 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
259 | $uri =~ s%//+%/%g; |
371 | $uri =~ s%//+%/%g; |
… | |
… | |
269 | $self->{path} = "$::DOCROOT/$host$uri"; |
381 | $self->{path} = "$::DOCROOT/$host$uri"; |
270 | |
382 | |
271 | $self->access_check; |
383 | $self->access_check; |
272 | } |
384 | } |
273 | |
385 | |
274 | sub server_address { |
|
|
275 | my $self = shift; |
|
|
276 | my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname |
|
|
277 | or $self->err(500, "unable to get socket name"); |
|
|
278 | ((inet_ntoa $iaddr), $port); |
|
|
279 | } |
|
|
280 | |
|
|
281 | sub server_host { |
|
|
282 | my $self = shift; |
|
|
283 | if (exists $self->{h}{host}) { |
|
|
284 | return $self->{h}{host}; |
|
|
285 | } else { |
|
|
286 | return (($self->server_address)[0]); |
|
|
287 | } |
|
|
288 | } |
|
|
289 | |
|
|
290 | sub server_hostport { |
|
|
291 | my $self = shift; |
|
|
292 | my ($host, $port); |
|
|
293 | if (exists $self->{h}{host}) { |
|
|
294 | ($host, $port) = ($self->{h}{host}, $self->{server_port}); |
|
|
295 | } else { |
|
|
296 | ($host, $port) = $self->server_address; |
|
|
297 | } |
|
|
298 | $port = $port == 80 ? "" : ":$port"; |
|
|
299 | $host.$port; |
|
|
300 | } |
|
|
301 | |
|
|
302 | sub _cgi { |
386 | sub _cgi { |
303 | my $self = shift; |
387 | my $self = shift; |
304 | my $path = shift; |
388 | my $path = shift; |
305 | my $fh; |
389 | my $fh; |
306 | |
390 | |
307 | # no two-way xxx supported |
391 | # no two-way xxx supported |
308 | if (0 == fork) { |
392 | if (0 == fork) { |
309 | open STDOUT, ">&".fileno($self->{fh}); |
393 | open STDOUT, ">&".fileno($self->{fh}); |
310 | if (chdir $::DOCROOT) { |
394 | if (chdir $::DOCROOT) { |
311 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
395 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
312 | $ENV{HTTP_HOST} = $self->server_host; |
396 | $ENV{HTTP_HOST} = $self->{server_name}; |
313 | $ENV{HTTP_PORT} = $self->{server_host}; |
397 | $ENV{HTTP_PORT} = $self->{server_port}; |
314 | $ENV{SCRIPT_NAME} = $self->{name}; |
398 | $ENV{SCRIPT_NAME} = $self->{name}; |
315 | exec $path; |
399 | exec $path; |
316 | } |
400 | } |
317 | Coro::State::_exit(0); |
401 | Coro::State::_exit(0); |
318 | } else { |
402 | } else { |
|
|
403 | die; |
319 | } |
404 | } |
|
|
405 | } |
|
|
406 | |
|
|
407 | sub server_hostport { |
|
|
408 | $_[0]{server_port} == 80 |
|
|
409 | ? $_[0]{server_name} |
|
|
410 | : "$_[0]{server_name}:$_[0]{server_port}"; |
320 | } |
411 | } |
321 | |
412 | |
322 | sub respond { |
413 | sub respond { |
323 | my $self = shift; |
414 | my $self = shift; |
324 | my $path = $self->{path}; |
415 | my $path = $self->{path}; |
… | |
… | |
334 | |
425 | |
335 | if (-d _ && -r _) { |
426 | if (-d _ && -r _) { |
336 | # directory |
427 | # directory |
337 | if ($path !~ /\/$/) { |
428 | if ($path !~ /\/$/) { |
338 | # create a redirect to get the trailing "/" |
429 | # create a redirect to get the trailing "/" |
339 | my $host = $self->server_hostport; |
430 | # we don't try to avoid the :80 |
340 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
431 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
341 | } else { |
432 | } else { |
342 | $ims < $self->{stat}[9] |
433 | $ims < $self->{stat}[9] |
343 | or $self->err(304, "not modified"); |
434 | or $self->err(304, "not modified"); |
344 | |
435 | |
345 | if ($self->{method} eq "GET") { |
|
|
346 | if (-r "$path/index.html") { |
436 | if (-r "$path/index.html") { |
347 | $self->{path} .= "/index.html"; |
437 | # replace directory "size" by index.html filesize |
|
|
438 | $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7]; |
348 | $self->handle_file; |
439 | $self->handle_file; |
349 | } else { |
440 | } else { |
350 | $self->handle_dir; |
441 | $self->handle_dir; |
351 | } |
|
|
352 | } |
442 | } |
353 | } |
443 | } |
354 | } elsif (-f _ && -r _) { |
444 | } elsif (-f _ && -r _) { |
355 | -x _ and $self->err(403, "forbidden"); |
445 | -x _ and $self->err(403, "forbidden"); |
356 | $self->handle_file; |
446 | $self->handle_file; |
… | |
… | |
371 | $idx); |
461 | $idx); |
372 | } |
462 | } |
373 | |
463 | |
374 | sub handle_file { |
464 | sub handle_file { |
375 | my $self = shift; |
465 | my $self = shift; |
376 | my $length = -s _; |
466 | my $length = $self->{stat}[7]; |
|
|
467 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
377 | my $hdr = { |
468 | my $hdr = { |
378 | "Last-Modified" => time2str ((stat _)[9]), |
469 | "Last-Modified" => time2str ((stat _)[9]), |
379 | }; |
470 | }; |
380 | |
471 | |
381 | my @code = (200, "ok"); |
472 | my @code = (200, "ok"); |
… | |
… | |
389 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
480 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
390 | } else { |
481 | } else { |
391 | ($l, $h) = (0, $length - 1); |
482 | ($l, $h) = (0, $length - 1); |
392 | goto ignore; |
483 | goto ignore; |
393 | } |
484 | } |
394 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
485 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
395 | } |
486 | } |
396 | $hdr->{"Content-Range"} = "bytes */$length"; |
487 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
488 | $hdr->{"Content-Length"} = $length; |
397 | $self->err(416, "not satisfiable", $hdr); |
489 | $self->err(416, "not satisfiable", $hdr, ""); |
398 | |
490 | |
399 | satisfiable: |
491 | satisfiable: |
400 | # check for segmented downloads |
492 | # check for segmented downloads |
401 | if ($l && $::NO_SEGMENTED) { |
493 | if ($l && $::NO_SEGMENTED) { |
|
|
494 | my $delay = $::NOW + $::PER_TIMEOUT + 15; |
402 | if (%{$uri{$self->{uri}}} > 1) { |
495 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
403 | $self->slog("segmented download refused\n"); |
496 | if ($delay <= $::NOW) { |
404 | $self->err(400, "segmented downloads are not allowed"); |
497 | $self->err_segmented_download; |
|
|
498 | } else { |
|
|
499 | $httpevent->wait; |
|
|
500 | } |
405 | } |
501 | } |
406 | } |
502 | } |
407 | |
503 | |
408 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
504 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
409 | @code = (206, "partial content"); |
505 | @code = (206, "partial content"); |
… | |
… | |
419 | $hdr->{"Content-Length"} = $length; |
515 | $hdr->{"Content-Length"} = $length; |
420 | |
516 | |
421 | $self->response(@code, $hdr, ""); |
517 | $self->response(@code, $hdr, ""); |
422 | |
518 | |
423 | if ($self->{method} eq "GET") { |
519 | if ($self->{method} eq "GET") { |
|
|
520 | $self->{time} = $::NOW; |
|
|
521 | |
|
|
522 | my $fudge = $queue->[0]->waiters; |
|
|
523 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
|
|
524 | |
|
|
525 | $queue->[1] *= $fudge; |
|
|
526 | my $transfer = $queue->[0]->guard; |
|
|
527 | |
|
|
528 | if ($fudge != 1) { |
|
|
529 | $queue->[1] /= $fudge; |
|
|
530 | $queue->[1] = $queue->[1] * $::wait_factor |
|
|
531 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
|
532 | } |
|
|
533 | $self->{time} = $::NOW; |
|
|
534 | |
|
|
535 | $self->{fh}->writable or return; |
|
|
536 | |
424 | my ($fh, $buf); |
537 | my ($fh, $buf, $r); |
|
|
538 | my $current = $Coro::current; |
425 | open $fh, "<", $self->{path} |
539 | open $fh, "<", $self->{path} |
426 | or die "$self->{path}: late open failure ($!)"; |
540 | or die "$self->{path}: late open failure ($!)"; |
427 | |
541 | |
428 | if ($l) { |
|
|
429 | sysseek $fh, $l, 0 |
|
|
430 | or die "$self->{path}: cannot seek to $l ($!)"; |
|
|
431 | } |
|
|
432 | |
|
|
433 | $h -= $l - 1; |
542 | $h -= $l - 1; |
434 | |
543 | |
|
|
544 | if (0) { |
|
|
545 | if ($l) { |
|
|
546 | sysseek $fh, $l, 0; |
|
|
547 | } |
|
|
548 | } |
|
|
549 | |
435 | while ($h > 0) { |
550 | while ($h > 0) { |
|
|
551 | if (0) { |
436 | $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; |
552 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
437 | $self->{fh}->syswrite($buf) |
553 | or last; |
|
|
554 | } else { |
|
|
555 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
556 | $buf, 0, sub { |
|
|
557 | $r = $_[0]; |
|
|
558 | Coro::ready($current); |
|
|
559 | }); |
|
|
560 | &Coro::schedule; |
|
|
561 | last unless $r; |
|
|
562 | } |
|
|
563 | my $w = syswrite $self->{fh}, $buf |
438 | or last; |
564 | or last; |
|
|
565 | $::written += $w; |
|
|
566 | $self->{written} += $w; |
|
|
567 | $l += $r; |
439 | } |
568 | } |
440 | } |
|
|
441 | |
569 | |
442 | close $fh; |
570 | close $fh; |
|
|
571 | } |
443 | } |
572 | } |
444 | |
573 | |
445 | 1; |
574 | 1; |