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 | use Coro::AIO (); |
5 | |
7 | |
6 | use HTTP::Date; |
8 | use HTTP::Date; |
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9 | use POSIX (); |
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10 | |
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11 | use Compress::Zlib (); |
7 | |
12 | |
8 | no utf8; |
13 | no utf8; |
9 | use bytes; |
14 | use bytes; |
10 | |
15 | |
11 | # at least on my machine, this thingy serves files |
16 | # at least on my machine, this thingy serves files |
… | |
… | |
13 | # and quite a bit slower than thttpd :( |
18 | # and quite a bit slower than thttpd :( |
14 | |
19 | |
15 | $SIG{PIPE} = 'IGNORE'; |
20 | $SIG{PIPE} = 'IGNORE'; |
16 | |
21 | |
17 | our $accesslog; |
22 | our $accesslog; |
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23 | our $errorlog; |
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24 | |
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25 | our $NOW; |
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26 | our $HTTP_NOW; |
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27 | |
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28 | our $ERROR_LOG; |
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29 | our $ACCESS_LOG; |
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30 | |
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31 | Event->timer(interval => 1, hard => 1, cb => sub { |
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32 | $NOW = time; |
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33 | $HTTP_NOW = time2str $NOW; |
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34 | })->now; |
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35 | |
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36 | if ($ERROR_LOG) { |
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37 | use IO::Handle; |
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38 | open $errorlog, ">>$ERROR_LOG" |
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39 | or die "$ERROR_LOG: $!"; |
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40 | $errorlog->autoflush(1); |
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41 | } |
18 | |
42 | |
19 | if ($ACCESS_LOG) { |
43 | if ($ACCESS_LOG) { |
20 | use IO::Handle; |
44 | use IO::Handle; |
21 | open $accesslog, ">>$ACCESS_LOG" |
45 | open $accesslog, ">>$ACCESS_LOG" |
22 | or die "$ACCESS_LOG: $!"; |
46 | or die "$ACCESS_LOG: $!"; |
… | |
… | |
24 | } |
48 | } |
25 | |
49 | |
26 | sub slog { |
50 | sub slog { |
27 | my $level = shift; |
51 | my $level = shift; |
28 | my $format = shift; |
52 | my $format = shift; |
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53 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
29 | printf "---: $format\n", @_; |
54 | printf "$NOW: $format\n", @_; |
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55 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
30 | } |
56 | } |
31 | |
57 | |
32 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
58 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
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59 | our $httpevent = new Coro::Signal; |
33 | |
60 | |
34 | our $wait_factor = 0.95; |
61 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
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62 | our $queue_index = new transferqueue 10; |
35 | |
63 | |
36 | our @transfers = ( |
64 | our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
37 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
65 | |
38 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
66 | my $unused_bytes = 0; |
39 | ); |
67 | my $unused_last = time; |
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68 | |
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69 | sub unused_bandwidth { |
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70 | $unused_bytes += $_[0]; |
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71 | if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
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72 | $unused_last = $NOW; |
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73 | $unused_bytes = 0; |
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74 | $queue_file->force_wake_next; |
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75 | slog 1, "forced filetransfer due to unused bandwidth"; |
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76 | } |
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77 | } |
40 | |
78 | |
41 | my @newcons; |
79 | my @newcons; |
42 | my @pool; |
80 | my @pool; |
43 | |
81 | |
44 | # one "execution thread" |
82 | # one "execution thread" |
45 | sub handler { |
83 | sub handler { |
46 | while () { |
84 | while () { |
47 | my $new = pop @newcons; |
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48 | if ($new) { |
85 | if (@newcons) { |
49 | eval { |
86 | eval { |
50 | conn->new(@$new)->handle; |
87 | conn->new (@{pop @newcons})->handle; |
51 | }; |
88 | }; |
52 | slog 1, "$@" if $@ && !ref $@; |
89 | slog 1, "$@" if $@ && !ref $@; |
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90 | |
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91 | $httpevent->broadcast; # only for testing, but doesn't matter much |
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92 | |
53 | $connections->up; |
93 | $connections->up; |
54 | } else { |
94 | } else { |
55 | last if @pool >= $MAX_POOL; |
95 | last if @pool >= $MAX_POOL; |
56 | push @pool, $Coro::current; |
96 | push @pool, $Coro::current; |
57 | schedule; |
97 | schedule; |
58 | } |
98 | } |
59 | } |
99 | } |
60 | } |
100 | } |
61 | |
101 | |
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102 | sub listen_on { |
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103 | my $listen = $_[0]; |
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104 | |
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105 | push @listen_sockets, $listen; |
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106 | |
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107 | # the "main thread" |
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108 | async { |
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109 | slog 1, "accepting connections"; |
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110 | while () { |
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111 | $connections->down; |
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112 | push @newcons, [$listen->accept]; |
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113 | #slog 3, "accepted @$connections ".scalar(@pool); |
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114 | if (@pool) { |
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115 | (pop @pool)->ready; |
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116 | } else { |
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117 | async \&handler; |
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118 | } |
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119 | } |
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120 | }; |
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121 | } |
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122 | |
62 | my $http_port = new Coro::Socket |
123 | my $http_port = new Coro::Socket |
63 | LocalAddr => $SERVER_HOST, |
124 | LocalAddr => $SERVER_HOST, |
64 | LocalPort => $SERVER_PORT, |
125 | LocalPort => $SERVER_PORT, |
65 | ReuseAddr => 1, |
126 | ReuseAddr => 1, |
66 | Listen => 50, |
127 | Listen => 50, |
67 | or die "unable to start server"; |
128 | or die "unable to start server"; |
68 | |
129 | |
69 | push @listen_sockets, $http_port; |
130 | listen_on $http_port; |
70 | |
131 | |
71 | our $NOW; |
132 | if ($SERVER_PORT2) { |
72 | our $HTTP_NOW; |
133 | my $http_port = new Coro::Socket |
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134 | LocalAddr => $SERVER_HOST, |
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135 | LocalPort => $SERVER_PORT2, |
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136 | ReuseAddr => 1, |
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137 | Listen => 50, |
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138 | or die "unable to start server"; |
73 | |
139 | |
74 | Event->timer(interval => 1, hard => 1, cb => sub { |
140 | listen_on $http_port; |
75 | $NOW = time; |
141 | } |
76 | $HTTP_NOW = time2str $NOW; |
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77 | })->now; |
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78 | |
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79 | # the "main thread" |
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80 | async { |
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81 | slog 1, "accepting connections"; |
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82 | while () { |
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83 | $connections->down; |
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84 | push @newcons, [$http_port->accept]; |
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85 | #slog 3, "accepted @$connections ".scalar(@pool); |
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86 | if (@pool) { |
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87 | (pop @pool)->ready; |
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88 | } else { |
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89 | async \&handler; |
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90 | } |
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91 | |
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92 | } |
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93 | }; |
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94 | |
142 | |
95 | package conn; |
143 | package conn; |
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144 | |
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145 | use strict; |
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146 | use bytes; |
96 | |
147 | |
97 | use Socket; |
148 | use Socket; |
98 | use HTTP::Date; |
149 | use HTTP::Date; |
99 | use Convert::Scalar 'weaken'; |
150 | use Convert::Scalar 'weaken'; |
100 | use Linux::AIO; |
151 | use IO::AIO; |
101 | |
152 | |
102 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
153 | IO::AIO::min_parallel $::AIO_PARALLEL; |
103 | |
154 | |
104 | Event->io(fd => Linux::AIO::poll_fileno, |
155 | Event->io (fd => IO::AIO::poll_fileno, |
105 | poll => 'r', async => 1, |
156 | poll => 'r', async => 1, |
106 | cb => \&Linux::AIO::poll_cb); |
157 | cb => \&IO::AIO::poll_cb); |
107 | |
158 | |
108 | our %conn; # $conn{ip}{self} => connobj |
159 | our %conn; # $conn{ip}{self} => connobj |
109 | our %uri; # $uri{ip}{uri}{self} |
160 | our %uri; # $uri{ip}{uri}{self} |
110 | our %blocked; |
161 | our %blocked; |
111 | our %mimetype; |
162 | our %mimetype; |
112 | |
163 | |
113 | sub read_mimetypes { |
164 | sub read_mimetypes { |
114 | local *M; |
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115 | if (open M, "<mime_types") { |
165 | if (open my $fh, "<mime_types") { |
116 | while (<M>) { |
166 | while (<$fh>) { |
117 | if (/^([^#]\S+)\t+(\S+)$/) { |
167 | if (/^([^#]\S+)\t+(\S+)$/) { |
118 | $mimetype{lc $1} = $2; |
168 | $mimetype{lc $1} = $2; |
119 | } |
169 | } |
120 | } |
170 | } |
121 | } else { |
171 | } else { |
… | |
… | |
125 | |
175 | |
126 | read_mimetypes; |
176 | read_mimetypes; |
127 | |
177 | |
128 | sub new { |
178 | sub new { |
129 | my $class = shift; |
179 | my $class = shift; |
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180 | my $fh = shift; |
130 | my $peername = shift; |
181 | my $peername = shift; |
131 | my $fh = shift; |
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132 | my $self = bless { fh => $fh }, $class; |
182 | my $self = bless { fh => $fh }, $class; |
133 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
183 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
134 | or $self->err(500, "unable to decode peername"); |
184 | or $self->err (500, "unable to decode peername"); |
135 | |
185 | |
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186 | $self->{remote_addr} = |
136 | $self->{remote_addr} = inet_ntoa $iaddr; |
187 | $self->{remote_id} = inet_ntoa $iaddr; |
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188 | |
137 | $self->{time} = $::NOW; |
189 | $self->{time} = $::NOW; |
138 | |
190 | |
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191 | weaken ($Coro::current->{conn} = $self); |
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192 | |
139 | $::conns++; |
193 | ++$::conns; |
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194 | $::maxconns = $::conns if $::conns > $::maxconns; |
140 | |
195 | |
141 | $self; |
196 | $self |
142 | } |
197 | } |
143 | |
198 | |
144 | sub DESTROY { |
199 | sub DESTROY { |
145 | my $self = shift; |
200 | my $self = shift; |
146 | |
201 | |
147 | $::conns--; |
202 | --$::conns; |
148 | |
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149 | $self->eoconn; |
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150 | } |
203 | } |
151 | |
204 | |
152 | # end of connection |
205 | sub prune_cache { |
153 | sub eoconn { |
206 | my $hash = $_[0]; |
154 | my $self = shift; |
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155 | |
207 | |
156 | # clean up hints |
208 | for (keys %$hash) { |
157 | delete $conn{$self->{remote_id}}{$self*1}; |
209 | if (ref $hash->{$_} eq HASH::) { |
158 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
210 | prune_cache($hash->{$_}); |
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211 | unless (scalar keys %{$hash->{$_}}) { |
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212 | delete $hash->{$_}; |
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213 | } |
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214 | } |
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215 | } |
159 | } |
216 | } |
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217 | |
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218 | sub prune_caches { |
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219 | prune_cache \%conn; |
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220 | prune_cache \%uri; |
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221 | |
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222 | for (keys %blocked) { |
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223 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
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224 | } |
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225 | } |
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226 | |
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227 | Event->timer (interval => 60, cb => \&prune_caches); |
160 | |
228 | |
161 | sub slog { |
229 | sub slog { |
162 | my $self = shift; |
230 | my $self = shift; |
163 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
231 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
164 | } |
232 | } |
165 | |
233 | |
166 | sub response { |
234 | sub response { |
167 | my ($self, $code, $msg, $hdr, $content) = @_; |
235 | my ($self, $code, $msg, $hdr, $content) = @_; |
168 | my $res = "HTTP/1.1 $code $msg\015\012"; |
236 | my $res = "HTTP/1.1 $code $msg\015\012"; |
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237 | my $GZ = ""; |
169 | |
238 | |
170 | $self->{h}{connection} ||= $hdr->{Connection}; |
239 | if (exists $hdr->{Connection}) { |
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240 | if ($hdr->{Connection} =~ /close/) { |
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241 | $self->{h}{connection} = "close" |
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242 | } |
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243 | } else { |
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244 | if ($self->{version} < 1.1) { |
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245 | if ($self->{h}{connection} =~ /keep-alive/i) { |
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246 | $hdr->{Connection} = "Keep-Alive"; |
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247 | } else { |
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248 | $self->{h}{connection} = "close" |
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249 | } |
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250 | } |
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251 | } |
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252 | |
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253 | if ($self->{method} ne "HEAD" |
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254 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
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255 | && 400 < length $content |
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256 | && $hdr->{"Content-Length"} == length $content |
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257 | && !exists $hdr->{"Content-Encoding"} |
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258 | ) { |
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259 | my $orig = length $content; |
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260 | $hdr->{"Content-Encoding"} = "gzip"; |
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261 | $content = Compress::Zlib::memGzip(\$content); |
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262 | $hdr->{"Content-Length"} = length $content; |
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263 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
|
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264 | } |
171 | |
265 | |
172 | $res .= "Date: $HTTP_NOW\015\012"; |
266 | $res .= "Date: $HTTP_NOW\015\012"; |
|
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267 | $res .= "Server: $::NAME\015\012"; |
173 | |
268 | |
174 | while (my ($h, $v) = each %$hdr) { |
269 | while (my ($h, $v) = each %$hdr) { |
175 | $res .= "$h: $v\015\012" |
270 | $res .= "$h: $v\015\012" |
176 | } |
271 | } |
177 | $res .= "\015\012"; |
272 | $res .= "\015\012"; |
178 | |
273 | |
179 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
274 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
180 | |
275 | |
181 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
276 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
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277 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
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278 | " \"$self->{h}{referer}\"\n"; |
182 | |
279 | |
183 | print $accesslog $log if $accesslog; |
280 | print $::accesslog $log if $::accesslog; |
184 | print STDERR $log; |
281 | print STDERR $log; |
185 | |
282 | |
186 | $self->{written} += |
283 | $tbf_top->request(length $res, 1e6); |
187 | print {$self->{fh}} $res; |
284 | $self->{written} += print {$self->{fh}} $res; |
188 | } |
285 | } |
189 | |
286 | |
190 | sub err { |
287 | sub err { |
191 | my $self = shift; |
288 | my $self = shift; |
192 | my ($code, $msg, $hdr, $content) = @_; |
289 | my ($code, $msg, $hdr, $content) = @_; |
… | |
… | |
196 | $hdr->{"Content-Type"} = "text/plain"; |
293 | $hdr->{"Content-Type"} = "text/plain"; |
197 | $hdr->{"Content-Length"} = length $content; |
294 | $hdr->{"Content-Length"} = length $content; |
198 | } |
295 | } |
199 | $hdr->{"Connection"} = "close"; |
296 | $hdr->{"Connection"} = "close"; |
200 | |
297 | |
201 | $self->response($code, $msg, $hdr, $content); |
298 | $self->response ($code, $msg, $hdr, $content); |
202 | |
299 | |
203 | die bless {}, err::; |
300 | die bless {}, err:: |
204 | } |
301 | } |
205 | |
302 | |
206 | sub handle { |
303 | sub handle { |
207 | my $self = shift; |
304 | my $self = shift; |
208 | my $fh = $self->{fh}; |
305 | my $fh = $self->{fh}; |
209 | |
306 | |
210 | my $host; |
307 | my $host; |
211 | |
308 | |
212 | $fh->timeout($::REQ_TIMEOUT); |
309 | $fh->timeout($::REQ_TIMEOUT); |
213 | while() { |
310 | while () { |
214 | $self->{reqs}++; |
311 | $self->{reqs}++; |
215 | |
312 | |
216 | # read request and parse first line |
313 | # read request and parse first line |
217 | my $req = $fh->readline("\015\012\015\012"); |
314 | my $req = $fh->readline("\015\012\015\012"); |
218 | |
315 | |
… | |
… | |
247 | my (%hdr, $h, $v); |
344 | my (%hdr, $h, $v); |
248 | |
345 | |
249 | $hdr{lc $1} .= ",$2" |
346 | $hdr{lc $1} .= ",$2" |
250 | while $req =~ /\G |
347 | while $req =~ /\G |
251 | ([^:\000-\040]+): |
348 | ([^:\000-\040]+): |
252 | [\008\040]* |
349 | [\011\040]* |
253 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
350 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
254 | \015\012 |
351 | \015\012 |
255 | /gxc; |
352 | /gxc; |
256 | |
353 | |
257 | $req =~ /\G\015\012$/ |
354 | $req =~ /\G\015\012$/ |
258 | or $self->err(400, "bad request"); |
355 | or $self->err(400, "bad request"); |
… | |
… | |
270 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
367 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
271 | } |
368 | } |
272 | |
369 | |
273 | $self->{remote_id} = $id; |
370 | $self->{remote_id} = $id; |
274 | |
371 | |
|
|
372 | weaken (local $conn{$id}{$self*1} = $self); |
|
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373 | |
275 | if ($blocked{$id}) { |
374 | if ($blocked{$id}) { |
276 | $self->err_blocked($blocked{$id}) |
375 | $self->err_blocked |
277 | if $blocked{$id} > $::NOW; |
376 | if $blocked{$id}[0] > $::NOW; |
278 | |
377 | |
279 | delete $blocked{$id}; |
378 | delete $blocked{$id}; |
280 | } |
|
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281 | |
|
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282 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
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283 | my $delay = $::PER_TIMEOUT + 15; |
|
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284 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
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285 | if ($delay <= 0) { |
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286 | $self->slog(2, "blocked ip $id"); |
|
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287 | $self->err_blocked; |
|
|
288 | } else { |
|
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289 | Coro::Event::do_timer(after => 4); $delay -= 4; |
|
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290 | } |
|
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291 | } |
|
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292 | } |
379 | } |
293 | |
380 | |
294 | # find out server name and port |
381 | # find out server name and port |
295 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
382 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
296 | $host = $1; |
383 | $host = $1; |
… | |
… | |
300 | |
387 | |
301 | if (defined $host) { |
388 | if (defined $host) { |
302 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
389 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
303 | } else { |
390 | } else { |
304 | ($self->{server_port}, $host) |
391 | ($self->{server_port}, $host) |
305 | = unpack_sockaddr_in $self->{fh}->getsockname |
392 | = unpack_sockaddr_in $self->{fh}->sockname |
306 | or $self->err(500, "unable to get socket name"); |
393 | or $self->err(500, "unable to get socket name"); |
307 | $host = inet_ntoa $host; |
394 | $host = inet_ntoa $host; |
308 | } |
395 | } |
309 | |
396 | |
310 | $self->{server_name} = $host; |
397 | $self->{server_name} = $host; |
311 | |
398 | |
312 | # enter ourselves into various lists |
|
|
313 | weaken ($conn{$id}{$self*1} = $self); |
|
|
314 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
399 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
315 | |
400 | |
316 | eval { |
401 | eval { |
317 | $self->map_uri; |
402 | $self->map_uri; |
318 | $self->respond; |
403 | $self->respond; |
319 | }; |
404 | }; |
320 | |
405 | |
321 | $self->eoconn; |
|
|
322 | |
|
|
323 | die if $@ && !ref $@; |
406 | die if $@ && !ref $@; |
324 | |
407 | |
325 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
408 | last if $self->{h}{connection} =~ /close/i; |
|
|
409 | |
|
|
410 | $httpevent->broadcast; |
326 | |
411 | |
327 | $fh->timeout($::PER_TIMEOUT); |
412 | $fh->timeout($::PER_TIMEOUT); |
328 | } |
413 | } |
|
|
414 | } |
|
|
415 | |
|
|
416 | sub block { |
|
|
417 | my $self = shift; |
|
|
418 | |
|
|
419 | $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
|
|
420 | $self->slog(2, "blocked ip $self->{remote_id}"); |
|
|
421 | $self->err_blocked; |
329 | } |
422 | } |
330 | |
423 | |
331 | # uri => path mapping |
424 | # uri => path mapping |
332 | sub map_uri { |
425 | sub map_uri { |
333 | my $self = shift; |
426 | my $self = shift; |
… | |
… | |
380 | |
473 | |
381 | sub respond { |
474 | sub respond { |
382 | my $self = shift; |
475 | my $self = shift; |
383 | my $path = $self->{path}; |
476 | my $path = $self->{path}; |
384 | |
477 | |
385 | stat $path |
478 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
386 | or $self->err(404, "not found"); |
479 | if ($::internal{$1}) { |
387 | |
480 | $::internal{$1}->($self); |
388 | $self->{stat} = [stat _]; |
|
|
389 | |
|
|
390 | # idiotic netscape sends idiotic headers AGAIN |
|
|
391 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
392 | ? str2time $1 : 0; |
|
|
393 | |
|
|
394 | if (-d _ && -r _) { |
|
|
395 | # directory |
|
|
396 | if ($path !~ /\/$/) { |
|
|
397 | # create a redirect to get the trailing "/" |
|
|
398 | # we don't try to avoid the :80 |
|
|
399 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
|
|
400 | } else { |
481 | } else { |
401 | $ims < $self->{stat}[9] |
482 | $self->err (404, "not found"); |
|
|
483 | } |
|
|
484 | } else { |
|
|
485 | |
|
|
486 | stat $path |
402 | or $self->err(304, "not modified"); |
487 | or $self->err (404, "not found"); |
403 | |
488 | |
404 | if (-r "$path/index.html") { |
489 | $self->{stat} = [stat _]; |
405 | $self->{path} .= "/index.html"; |
490 | |
406 | $self->handle_file; |
491 | # idiotic netscape sends idiotic headers AGAIN |
|
|
492 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
493 | ? str2time $1 : 0; |
|
|
494 | |
|
|
495 | if (-d _ && -r _) { |
|
|
496 | # directory |
|
|
497 | if ($path !~ /\/$/) { |
|
|
498 | # create a redirect to get the trailing "/" |
|
|
499 | # we don't try to avoid the :80 |
|
|
500 | $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
407 | } else { |
501 | } else { |
|
|
502 | $ims < $self->{stat}[9] |
|
|
503 | or $self->err (304, "not modified"); |
|
|
504 | |
|
|
505 | if (-r "$path/index.html") { |
|
|
506 | # replace directory "size" by index.html filesize |
|
|
507 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
|
|
508 | $self->handle_file ($queue_index, $tbf_top); |
|
|
509 | } else { |
408 | $self->handle_dir; |
510 | $self->handle_dir; |
409 | } |
511 | } |
410 | } |
512 | } |
411 | } elsif (-f _ && -r _) { |
513 | } elsif (-f _ && -r _) { |
412 | -x _ and $self->err(403, "forbidden"); |
514 | -x _ and $self->err (403, "forbidden"); |
413 | $self->handle_file; |
515 | |
|
|
516 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
517 | my $timeout = $::NOW + 10; |
|
|
518 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
519 | if ($timeout < $::NOW) { |
|
|
520 | $self->block($::BLOCKTIME, "too many connections"); |
|
|
521 | } else { |
|
|
522 | $httpevent->wait; |
|
|
523 | } |
|
|
524 | } |
|
|
525 | } |
|
|
526 | |
|
|
527 | $self->handle_file ($queue_file, $tbf_top); |
414 | } else { |
528 | } else { |
415 | $self->err(404, "not found"); |
529 | $self->err (404, "not found"); |
|
|
530 | } |
416 | } |
531 | } |
417 | } |
532 | } |
418 | |
533 | |
419 | sub handle_dir { |
534 | sub handle_dir { |
420 | my $self = shift; |
535 | my $self = shift; |
421 | my $idx = $self->diridx; |
536 | my $idx = $self->diridx; |
422 | |
537 | |
423 | $self->response(200, "ok", |
538 | $self->response (200, "ok", |
424 | { |
539 | { |
425 | "Content-Type" => "text/html", |
540 | "Content-Type" => "text/html; charset=utf-8", |
426 | "Content-Length" => length $idx, |
541 | "Content-Length" => length $idx, |
|
|
542 | "Last-Modified" => time2str ($self->{stat}[9]), |
427 | }, |
543 | }, |
428 | $idx); |
544 | $idx); |
429 | } |
545 | } |
430 | |
546 | |
431 | sub handle_file { |
547 | sub handle_file { |
432 | my $self = shift; |
548 | my ($self, $queue, $tbf) = @_; |
433 | my $length = $self->{stat}[7]; |
549 | my $length = $self->{stat}[7]; |
434 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
|
|
435 | my $hdr = { |
550 | my $hdr = { |
436 | "Last-Modified" => time2str ((stat _)[9]), |
551 | "Last-Modified" => time2str ((stat _)[9]), |
|
|
552 | "Accept-Ranges" => "bytes", |
437 | }; |
553 | }; |
438 | |
554 | |
439 | my @code = (200, "ok"); |
555 | my @code = (200, "ok"); |
440 | my ($l, $h); |
556 | my ($l, $h); |
441 | |
557 | |
… | |
… | |
451 | } |
567 | } |
452 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
568 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
453 | } |
569 | } |
454 | $hdr->{"Content-Range"} = "bytes */$length"; |
570 | $hdr->{"Content-Range"} = "bytes */$length"; |
455 | $hdr->{"Content-Length"} = $length; |
571 | $hdr->{"Content-Length"} = $length; |
456 | $self->err(416, "not satisfiable", $hdr, ""); |
572 | $self->err (416, "not satisfiable", $hdr, ""); |
457 | |
573 | |
458 | satisfiable: |
574 | satisfiable: |
459 | # check for segmented downloads |
575 | # check for segmented downloads |
460 | if ($l && $::NO_SEGMENTED) { |
576 | if ($l && $::NO_SEGMENTED) { |
461 | my $delay = $::PER_TIMEOUT + 15; |
577 | my $timeout = $::NOW + 15; |
462 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
578 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
463 | if ($delay <= 0) { |
579 | if ($timeout <= $::NOW) { |
|
|
580 | $self->block ($::BLOCKTIME, "segmented downloads are forbidden"); |
464 | $self->err_segmented_download; |
581 | #$self->err_segmented_download; |
465 | } else { |
582 | } else { |
466 | Coro::Event::do_timer(after => 4); $delay -= 4; |
583 | $httpevent->wait; |
467 | } |
584 | } |
468 | } |
585 | } |
469 | } |
586 | } |
470 | |
587 | |
471 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
588 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
… | |
… | |
479 | |
596 | |
480 | $self->{path} =~ /\.([^.]+)$/; |
597 | $self->{path} =~ /\.([^.]+)$/; |
481 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
598 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
482 | $hdr->{"Content-Length"} = $length; |
599 | $hdr->{"Content-Length"} = $length; |
483 | |
600 | |
484 | $self->response(@code, $hdr, ""); |
601 | $self->response (@code, $hdr, ""); |
485 | |
602 | |
486 | if ($self->{method} eq "GET") { |
603 | if ($self->{method} eq "GET") { |
487 | $self->{time} = $::NOW; |
604 | $self->{time} = $::NOW; |
488 | |
|
|
489 | my $fudge = $queue->[0]->waiters; |
|
|
490 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
|
|
491 | |
|
|
492 | $queue->[1] *= $fudge; |
|
|
493 | my $transfer = $queue->[0]->guard; |
|
|
494 | |
|
|
495 | if ($fudge != 1) { |
|
|
496 | $queue->[1] /= $fudge; |
|
|
497 | $queue->[1] = $queue->[1] * $::wait_factor |
|
|
498 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
|
499 | } |
|
|
500 | $self->{time} = $::NOW; |
605 | $self->{written} = 0; |
501 | |
606 | |
502 | $self->{fh}->writable or return; |
|
|
503 | |
|
|
504 | my ($fh, $buf, $r); |
|
|
505 | my $current = $Coro::current; |
|
|
506 | open $fh, "<", $self->{path} |
607 | open my $fh, "<", $self->{path} |
507 | or die "$self->{path}: late open failure ($!)"; |
608 | or die "$self->{path}: late open failure ($!)"; |
508 | |
609 | |
509 | $h -= $l - 1; |
610 | $h -= $l - 1; |
510 | |
611 | |
511 | if (0) { |
612 | my $transfer = $queue->start_transfer ($h); |
512 | if ($l) { |
613 | my $locked; |
513 | sysseek $fh, $l, 0; |
614 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
514 | } |
|
|
515 | } |
|
|
516 | |
615 | |
517 | while ($h > 0) { |
616 | while ($h > 0) { |
518 | if (0) { |
617 | unless ($locked) { |
519 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
618 | if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) { |
|
|
619 | $bufsize = $::BUFSIZE; |
|
|
620 | $self->{time} = $::NOW; |
|
|
621 | $self->{written} = 0; |
|
|
622 | } |
|
|
623 | } |
|
|
624 | |
|
|
625 | if ($blocked{$self->{remote_id}}) { |
|
|
626 | $self->{h}{connection} = "close"; |
|
|
627 | die bless {}, err::; |
|
|
628 | } |
|
|
629 | |
|
|
630 | Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0 |
520 | or last; |
631 | or last; |
521 | } else { |
632 | |
522 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
633 | $tbf->request (length $buf); |
523 | $buf, 0, sub { |
|
|
524 | $r = $_[0]; |
|
|
525 | Coro::ready($current); |
|
|
526 | }); |
|
|
527 | &Coro::schedule; |
|
|
528 | last unless $r; |
|
|
529 | } |
|
|
530 | my $w = syswrite $self->{fh}, $buf |
634 | my $w = syswrite $self->{fh}, $buf |
531 | or last; |
635 | or last; |
532 | $::written += $w; |
636 | $::written += $w; |
533 | $self->{written} += $w; |
637 | $self->{written} += $w; |
534 | $l += $r; |
638 | $l += $w; |
535 | } |
639 | } |
536 | |
640 | |
537 | close $fh; |
641 | close $fh; |
538 | } |
642 | } |
539 | } |
643 | } |
540 | |
644 | |
541 | 1; |
645 | 1 |
|
|
646 | |