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; |
5 | |
6 | |
6 | use HTTP::Date; |
7 | use HTTP::Date; |
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8 | use POSIX (); |
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9 | |
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10 | use Compress::Zlib (); |
7 | |
11 | |
8 | no utf8; |
12 | no utf8; |
9 | use bytes; |
13 | use bytes; |
10 | |
14 | |
11 | # at least on my machine, this thingy serves files |
15 | # at least on my machine, this thingy serves files |
… | |
… | |
13 | # and quite a bit slower than thttpd :( |
17 | # and quite a bit slower than thttpd :( |
14 | |
18 | |
15 | $SIG{PIPE} = 'IGNORE'; |
19 | $SIG{PIPE} = 'IGNORE'; |
16 | |
20 | |
17 | our $accesslog; |
21 | our $accesslog; |
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22 | our $errorlog; |
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23 | |
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24 | our $NOW; |
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25 | our $HTTP_NOW; |
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26 | |
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27 | Event->timer(interval => 1, hard => 1, cb => sub { |
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28 | $NOW = time; |
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29 | $HTTP_NOW = time2str $NOW; |
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30 | })->now; |
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31 | |
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32 | if ($ERROR_LOG) { |
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33 | use IO::Handle; |
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34 | open $errorlog, ">>$ERROR_LOG" |
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35 | or die "$ERROR_LOG: $!"; |
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36 | $errorlog->autoflush(1); |
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37 | } |
18 | |
38 | |
19 | if ($ACCESS_LOG) { |
39 | if ($ACCESS_LOG) { |
20 | use IO::Handle; |
40 | use IO::Handle; |
21 | open $accesslog, ">>$ACCESS_LOG" |
41 | open $accesslog, ">>$ACCESS_LOG" |
22 | or die "$ACCESS_LOG: $!"; |
42 | or die "$ACCESS_LOG: $!"; |
… | |
… | |
24 | } |
44 | } |
25 | |
45 | |
26 | sub slog { |
46 | sub slog { |
27 | my $level = shift; |
47 | my $level = shift; |
28 | my $format = shift; |
48 | my $format = shift; |
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49 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
29 | printf "---: $format\n", @_; |
50 | printf "$NOW: $format\n", @_; |
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51 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
30 | } |
52 | } |
31 | |
53 | |
32 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
54 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
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55 | our $httpevent = new Coro::Signal; |
33 | |
56 | |
34 | our $wait_factor = 0.95; |
57 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
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58 | our $queue_index = new transferqueue 10; |
35 | |
59 | |
36 | our @transfers = ( |
60 | our $tbf_top = new tbf rate => 100000; |
37 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
61 | |
38 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
62 | my $unused_bytes = 0; |
39 | ); |
63 | my $unused_last = time; |
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64 | |
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65 | sub unused_bandwidth { |
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66 | $unused_bytes += $_[0]; |
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67 | if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
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68 | $unused_last = $NOW; |
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69 | $unused_bytes = 0; |
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70 | $queue_file->force_wake_next; |
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71 | slog 1, "forced filetransfer due to unused bandwidth"; |
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72 | } |
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73 | } |
40 | |
74 | |
41 | my @newcons; |
75 | my @newcons; |
42 | my @pool; |
76 | my @pool; |
43 | |
77 | |
44 | # one "execution thread" |
78 | # one "execution thread" |
45 | sub handler { |
79 | sub handler { |
46 | while () { |
80 | while () { |
47 | my $new = pop @newcons; |
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48 | if ($new) { |
81 | if (@newcons) { |
49 | eval { |
82 | eval { |
50 | conn->new(@$new)->handle; |
83 | conn->new(@{pop @newcons})->handle; |
51 | }; |
84 | }; |
52 | slog 1, "$@" if $@ && !ref $@; |
85 | slog 1, "$@" if $@ && !ref $@; |
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86 | |
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87 | $httpevent->broadcast; # only for testing, but doesn't matter much |
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88 | |
53 | $connections->up; |
89 | $connections->up; |
54 | } else { |
90 | } else { |
55 | last if @pool >= $MAX_POOL; |
91 | last if @pool >= $MAX_POOL; |
56 | push @pool, $Coro::current; |
92 | push @pool, $Coro::current; |
57 | schedule; |
93 | schedule; |
58 | } |
94 | } |
59 | } |
95 | } |
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96 | } |
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97 | |
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98 | sub listen_on { |
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99 | my $listen = $_[0]; |
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100 | |
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101 | push @listen_sockets, $listen; |
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102 | |
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103 | # the "main thread" |
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104 | async { |
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105 | slog 1, "accepting connections"; |
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106 | while () { |
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107 | $connections->down; |
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108 | push @newcons, [$listen->accept]; |
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109 | #slog 3, "accepted @$connections ".scalar(@pool); |
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110 | if (@pool) { |
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111 | (pop @pool)->ready; |
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112 | } else { |
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113 | async \&handler; |
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114 | } |
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115 | |
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116 | } |
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117 | }; |
60 | } |
118 | } |
61 | |
119 | |
62 | my $http_port = new Coro::Socket |
120 | my $http_port = new Coro::Socket |
63 | LocalAddr => $SERVER_HOST, |
121 | LocalAddr => $SERVER_HOST, |
64 | LocalPort => $SERVER_PORT, |
122 | LocalPort => $SERVER_PORT, |
65 | ReuseAddr => 1, |
123 | ReuseAddr => 1, |
66 | Listen => 50, |
124 | Listen => 50, |
67 | or die "unable to start server"; |
125 | or die "unable to start server"; |
68 | |
126 | |
69 | push @listen_sockets, $http_port; |
127 | listen_on $http_port; |
70 | |
128 | |
71 | our $NOW; |
129 | if ($SERVER_PORT2) { |
72 | our $HTTP_NOW; |
130 | my $http_port = new Coro::Socket |
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131 | LocalAddr => $SERVER_HOST, |
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132 | LocalPort => $SERVER_PORT2, |
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133 | ReuseAddr => 1, |
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134 | Listen => 50, |
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135 | or die "unable to start server"; |
73 | |
136 | |
74 | Event->timer(interval => 1, hard => 1, cb => sub { |
137 | listen_on $http_port; |
75 | $NOW = time; |
138 | } |
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 | |
139 | |
95 | package conn; |
140 | package conn; |
96 | |
141 | |
97 | use Socket; |
142 | use Socket; |
98 | use HTTP::Date; |
143 | use HTTP::Date; |
99 | use Convert::Scalar 'weaken'; |
144 | use Convert::Scalar 'weaken'; |
100 | use Linux::AIO; |
145 | use Linux::AIO; |
101 | |
146 | |
102 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
147 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
103 | |
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104 | my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4; |
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105 | |
148 | |
106 | Event->io(fd => Linux::AIO::poll_fileno, |
149 | Event->io(fd => Linux::AIO::poll_fileno, |
107 | poll => 'r', async => 1, |
150 | poll => 'r', async => 1, |
108 | cb => \&Linux::AIO::poll_cb); |
151 | cb => \&Linux::AIO::poll_cb); |
109 | |
152 | |
… | |
… | |
127 | |
170 | |
128 | read_mimetypes; |
171 | read_mimetypes; |
129 | |
172 | |
130 | sub new { |
173 | sub new { |
131 | my $class = shift; |
174 | my $class = shift; |
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175 | my $fh = shift; |
132 | my $peername = shift; |
176 | my $peername = shift; |
133 | my $fh = shift; |
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134 | my $self = bless { fh => $fh }, $class; |
177 | my $self = bless { fh => $fh }, $class; |
135 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
178 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
136 | or $self->err(500, "unable to decode peername"); |
179 | or $self->err(500, "unable to decode peername"); |
137 | |
180 | |
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181 | $self->{remote_addr} = |
138 | $self->{remote_addr} = inet_ntoa $iaddr; |
182 | $self->{remote_id} = inet_ntoa $iaddr; |
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183 | |
139 | $self->{time} = $::NOW; |
184 | $self->{time} = $::NOW; |
140 | |
185 | |
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186 | weaken ($Coro::current->{conn} = $self); |
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187 | |
141 | $::conns++; |
188 | $::conns++; |
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189 | $::maxconns = $::conns if $::conns > $::maxconns; |
142 | |
190 | |
143 | $self; |
191 | $self; |
144 | } |
192 | } |
145 | |
193 | |
146 | sub DESTROY { |
194 | sub DESTROY { |
147 | my $self = shift; |
195 | #my $self = shift; |
148 | |
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149 | $::conns--; |
196 | $::conns--; |
150 | |
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151 | $self->eoconn; |
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152 | } |
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153 | |
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154 | # end of connection |
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155 | sub eoconn { |
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156 | my $self = shift; |
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157 | |
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158 | # clean up hints |
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159 | delete $conn{$self->{remote_id}}{$self*1}; |
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160 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
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161 | } |
197 | } |
162 | |
198 | |
163 | sub slog { |
199 | sub slog { |
164 | my $self = shift; |
200 | my $self = shift; |
165 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
201 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
166 | } |
202 | } |
167 | |
203 | |
168 | sub response { |
204 | sub response { |
169 | my ($self, $code, $msg, $hdr, $content) = @_; |
205 | my ($self, $code, $msg, $hdr, $content) = @_; |
170 | my $res = "HTTP/1.1 $code $msg\015\012"; |
206 | my $res = "HTTP/1.1 $code $msg\015\012"; |
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207 | my $GZ = ""; |
171 | |
208 | |
172 | $self->{h}{connection} ||= $hdr->{Connection}; |
209 | if (exists $hdr->{Connection}) { |
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210 | if ($hdr->{Connection} =~ /close/) { |
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211 | $self->{h}{connection} = "close" |
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212 | } |
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213 | } else { |
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214 | if ($self->{version} < 1.1) { |
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215 | if ($self->{h}{connection} =~ /keep-alive/i) { |
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216 | $hdr->{Connection} = "Keep-Alive"; |
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217 | } else { |
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218 | $self->{h}{connection} = "close" |
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219 | } |
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220 | } |
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221 | } |
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222 | |
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223 | if ($self->{method} ne "HEAD" |
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224 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
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225 | && 400 < length $content |
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226 | && $hdr->{"Content-Length"} == length $content |
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227 | && !exists $hdr->{"Content-Encoding"} |
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228 | ) { |
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229 | my $orig = length $content; |
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230 | $hdr->{"Content-Encoding"} = "gzip"; |
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231 | $content = Compress::Zlib::memGzip(\$content); |
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232 | $hdr->{"Content-Length"} = length $content; |
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233 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
|
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234 | } |
173 | |
235 | |
174 | $res .= "Date: $HTTP_NOW\015\012"; |
236 | $res .= "Date: $HTTP_NOW\015\012"; |
|
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237 | $res .= "Server: $::NAME\015\012"; |
175 | |
238 | |
176 | while (my ($h, $v) = each %$hdr) { |
239 | while (my ($h, $v) = each %$hdr) { |
177 | $res .= "$h: $v\015\012" |
240 | $res .= "$h: $v\015\012" |
178 | } |
241 | } |
179 | $res .= "\015\012"; |
242 | $res .= "\015\012"; |
180 | |
243 | |
181 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
244 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
182 | |
245 | |
183 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
246 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
|
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247 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
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248 | " \"$self->{h}{referer}\"\n"; |
184 | |
249 | |
185 | print $accesslog $log if $accesslog; |
250 | print $::accesslog $log if $::accesslog; |
186 | print STDERR $log; |
251 | print STDERR $log; |
187 | |
252 | |
188 | $self->{written} += |
253 | $tbf_top->request(length $res, 1e6); |
189 | print {$self->{fh}} $res; |
254 | $self->{written} += print {$self->{fh}} $res; |
190 | } |
255 | } |
191 | |
256 | |
192 | sub err { |
257 | sub err { |
193 | my $self = shift; |
258 | my $self = shift; |
194 | my ($code, $msg, $hdr, $content) = @_; |
259 | my ($code, $msg, $hdr, $content) = @_; |
… | |
… | |
249 | my (%hdr, $h, $v); |
314 | my (%hdr, $h, $v); |
250 | |
315 | |
251 | $hdr{lc $1} .= ",$2" |
316 | $hdr{lc $1} .= ",$2" |
252 | while $req =~ /\G |
317 | while $req =~ /\G |
253 | ([^:\000-\040]+): |
318 | ([^:\000-\040]+): |
254 | [\008\040]* |
319 | [\011\040]* |
255 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
320 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
256 | \015\012 |
321 | \015\012 |
257 | /gxc; |
322 | /gxc; |
258 | |
323 | |
259 | $req =~ /\G\015\012$/ |
324 | $req =~ /\G\015\012$/ |
260 | or $self->err(400, "bad request"); |
325 | or $self->err(400, "bad request"); |
… | |
… | |
272 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
337 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
273 | } |
338 | } |
274 | |
339 | |
275 | $self->{remote_id} = $id; |
340 | $self->{remote_id} = $id; |
276 | |
341 | |
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342 | weaken (local $conn{$id}{$self*1} = $self); |
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343 | |
277 | if ($blocked{$id}) { |
344 | if ($blocked{$id}) { |
278 | $self->err_blocked($blocked{$id}) |
345 | $self->err_blocked |
279 | if $blocked{$id} > $::NOW; |
346 | if $blocked{$id}[0] > $::NOW; |
280 | |
347 | |
281 | delete $blocked{$id}; |
348 | delete $blocked{$id}; |
282 | } |
|
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283 | |
|
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284 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
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285 | my $delay = $::PER_TIMEOUT + 15; |
|
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286 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
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287 | if ($delay <= 0) { |
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288 | $self->slog(2, "blocked ip $id"); |
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289 | $self->err_blocked; |
|
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290 | } else { |
|
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291 | Coro::Event::do_timer(after => 4); $delay -= 4; |
|
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292 | } |
|
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293 | } |
|
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294 | } |
349 | } |
295 | |
350 | |
296 | # find out server name and port |
351 | # find out server name and port |
297 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
352 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
298 | $host = $1; |
353 | $host = $1; |
… | |
… | |
302 | |
357 | |
303 | if (defined $host) { |
358 | if (defined $host) { |
304 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
359 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
305 | } else { |
360 | } else { |
306 | ($self->{server_port}, $host) |
361 | ($self->{server_port}, $host) |
307 | = unpack_sockaddr_in $self->{fh}->getsockname |
362 | = unpack_sockaddr_in $self->{fh}->sockname |
308 | or $self->err(500, "unable to get socket name"); |
363 | or $self->err(500, "unable to get socket name"); |
309 | $host = inet_ntoa $host; |
364 | $host = inet_ntoa $host; |
310 | } |
365 | } |
311 | |
366 | |
312 | $self->{server_name} = $host; |
367 | $self->{server_name} = $host; |
313 | |
368 | |
314 | # enter ourselves into various lists |
|
|
315 | weaken ($conn{$id}{$self*1} = $self); |
|
|
316 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
369 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
317 | |
370 | |
318 | eval { |
371 | eval { |
319 | $self->map_uri; |
372 | $self->map_uri; |
320 | $self->respond; |
373 | $self->respond; |
321 | }; |
374 | }; |
322 | |
375 | |
323 | $self->eoconn; |
|
|
324 | |
|
|
325 | die if $@ && !ref $@; |
376 | die if $@ && !ref $@; |
326 | |
377 | |
327 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
378 | last if $self->{h}{connection} =~ /close/i; |
|
|
379 | |
|
|
380 | $httpevent->broadcast; |
328 | |
381 | |
329 | $fh->timeout($::PER_TIMEOUT); |
382 | $fh->timeout($::PER_TIMEOUT); |
330 | } |
383 | } |
|
|
384 | } |
|
|
385 | |
|
|
386 | sub block { |
|
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387 | my $self = shift; |
|
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388 | |
|
|
389 | $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
|
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390 | $self->slog(2, "blocked ip $self->{remote_id}"); |
|
|
391 | $self->err_blocked; |
331 | } |
392 | } |
332 | |
393 | |
333 | # uri => path mapping |
394 | # uri => path mapping |
334 | sub map_uri { |
395 | sub map_uri { |
335 | my $self = shift; |
396 | my $self = shift; |
… | |
… | |
382 | |
443 | |
383 | sub respond { |
444 | sub respond { |
384 | my $self = shift; |
445 | my $self = shift; |
385 | my $path = $self->{path}; |
446 | my $path = $self->{path}; |
386 | |
447 | |
387 | stat $path |
448 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
388 | or $self->err(404, "not found"); |
449 | if ($::internal{$1}) { |
389 | |
450 | $::internal{$1}->($self); |
390 | $self->{stat} = [stat _]; |
|
|
391 | |
|
|
392 | # idiotic netscape sends idiotic headers AGAIN |
|
|
393 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
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394 | ? str2time $1 : 0; |
|
|
395 | |
|
|
396 | if (-d _ && -r _) { |
|
|
397 | # directory |
|
|
398 | if ($path !~ /\/$/) { |
|
|
399 | # create a redirect to get the trailing "/" |
|
|
400 | # we don't try to avoid the :80 |
|
|
401 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
|
|
402 | } else { |
451 | } else { |
403 | $ims < $self->{stat}[9] |
452 | $self->err(404, "not found"); |
|
|
453 | } |
|
|
454 | } else { |
|
|
455 | |
|
|
456 | stat $path |
404 | or $self->err(304, "not modified"); |
457 | or $self->err(404, "not found"); |
405 | |
458 | |
406 | if (-r "$path/index.html") { |
459 | $self->{stat} = [stat _]; |
407 | $self->{path} .= "/index.html"; |
460 | |
408 | $self->handle_file; |
461 | # idiotic netscape sends idiotic headers AGAIN |
|
|
462 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
463 | ? str2time $1 : 0; |
|
|
464 | |
|
|
465 | if (-d _ && -r _) { |
|
|
466 | # directory |
|
|
467 | if ($path !~ /\/$/) { |
|
|
468 | # create a redirect to get the trailing "/" |
|
|
469 | # we don't try to avoid the :80 |
|
|
470 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
409 | } else { |
471 | } else { |
|
|
472 | $ims < $self->{stat}[9] |
|
|
473 | or $self->err(304, "not modified"); |
|
|
474 | |
|
|
475 | if (-r "$path/index.html") { |
|
|
476 | # replace directory "size" by index.html filesize |
|
|
477 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
|
|
478 | $self->handle_file($queue_index, $tbf_top); |
|
|
479 | } else { |
410 | $self->handle_dir; |
480 | $self->handle_dir; |
411 | } |
481 | } |
412 | } |
482 | } |
413 | } elsif (-f _ && -r _) { |
483 | } elsif (-f _ && -r _) { |
414 | -x _ and $self->err(403, "forbidden"); |
484 | -x _ and $self->err(403, "forbidden"); |
415 | $self->handle_file; |
485 | |
|
|
486 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
487 | my $timeout = $::NOW + 10; |
|
|
488 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
489 | if ($timeout < $::NOW) { |
|
|
490 | $self->block($::BLOCKTIME, "too many connections"); |
|
|
491 | } else { |
|
|
492 | $httpevent->wait; |
|
|
493 | } |
|
|
494 | } |
|
|
495 | } |
|
|
496 | |
|
|
497 | $self->handle_file($queue_file, $tbf_top); |
416 | } else { |
498 | } else { |
417 | $self->err(404, "not found"); |
499 | $self->err(404, "not found"); |
|
|
500 | } |
418 | } |
501 | } |
419 | } |
502 | } |
420 | |
503 | |
421 | sub handle_dir { |
504 | sub handle_dir { |
422 | my $self = shift; |
505 | my $self = shift; |
… | |
… | |
424 | |
507 | |
425 | $self->response(200, "ok", |
508 | $self->response(200, "ok", |
426 | { |
509 | { |
427 | "Content-Type" => "text/html", |
510 | "Content-Type" => "text/html", |
428 | "Content-Length" => length $idx, |
511 | "Content-Length" => length $idx, |
|
|
512 | "Last-Modified" => time2str ($self->{stat}[9]), |
429 | }, |
513 | }, |
430 | $idx); |
514 | $idx); |
431 | } |
515 | } |
432 | |
516 | |
433 | sub handle_file { |
517 | sub handle_file { |
434 | my $self = shift; |
518 | my ($self, $queue, $tbf) = @_; |
435 | my $length = $self->{stat}[7]; |
519 | my $length = $self->{stat}[7]; |
436 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
|
|
437 | my $hdr = { |
520 | my $hdr = { |
438 | "Last-Modified" => time2str ((stat _)[9]), |
521 | "Last-Modified" => time2str ((stat _)[9]), |
439 | }; |
522 | }; |
440 | |
523 | |
441 | my @code = (200, "ok"); |
524 | my @code = (200, "ok"); |
… | |
… | |
458 | $self->err(416, "not satisfiable", $hdr, ""); |
541 | $self->err(416, "not satisfiable", $hdr, ""); |
459 | |
542 | |
460 | satisfiable: |
543 | satisfiable: |
461 | # check for segmented downloads |
544 | # check for segmented downloads |
462 | if ($l && $::NO_SEGMENTED) { |
545 | if ($l && $::NO_SEGMENTED) { |
463 | my $delay = $::PER_TIMEOUT + 15; |
546 | my $timeout = $::NOW + 15; |
464 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
547 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
465 | if ($delay <= 0) { |
548 | if ($timeout <= $::NOW) { |
|
|
549 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
466 | $self->err_segmented_download; |
550 | #$self->err_segmented_download; |
467 | } else { |
551 | } else { |
468 | Coro::Event::do_timer(after => 4); $delay -= 4; |
552 | $httpevent->wait; |
469 | } |
553 | } |
470 | } |
554 | } |
471 | } |
555 | } |
472 | |
556 | |
473 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
557 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
… | |
… | |
485 | |
569 | |
486 | $self->response(@code, $hdr, ""); |
570 | $self->response(@code, $hdr, ""); |
487 | |
571 | |
488 | if ($self->{method} eq "GET") { |
572 | if ($self->{method} eq "GET") { |
489 | $self->{time} = $::NOW; |
573 | $self->{time} = $::NOW; |
490 | |
|
|
491 | my $fudge = $queue->[0]->waiters; |
|
|
492 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
|
|
493 | |
|
|
494 | $queue->[1] *= $fudge; |
|
|
495 | my $transfer = $queue->[0]->guard; |
|
|
496 | |
|
|
497 | if ($fudge != 1) { |
|
|
498 | $queue->[1] /= $fudge; |
|
|
499 | $queue->[1] = $queue->[1] * $::wait_factor |
|
|
500 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
|
501 | } |
|
|
502 | $self->{time} = $::NOW; |
574 | $self->{written} = 0; |
503 | |
575 | |
504 | $self->{fh}->writable or return; |
576 | my $current = $Coro::current; |
505 | |
577 | |
506 | my ($fh, $buf, $r); |
578 | my ($fh, $buf, $r); |
507 | my $current = $Coro::current; |
579 | |
508 | open $fh, "<", $self->{path} |
580 | open $fh, "<", $self->{path} |
509 | or die "$self->{path}: late open failure ($!)"; |
581 | or die "$self->{path}: late open failure ($!)"; |
510 | |
582 | |
511 | $h -= $l - 1; |
583 | $h -= $l - 1; |
512 | |
584 | |
513 | if (0) { |
585 | if (0) { # !AIO |
514 | if ($l) { |
586 | if ($l) { |
515 | sysseek $fh, $l, 0; |
587 | sysseek $fh, $l, 0; |
516 | } |
588 | } |
517 | } |
589 | } |
|
|
590 | |
|
|
591 | my $transfer = $queue->start_transfer($h); |
|
|
592 | my $locked; |
|
|
593 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
518 | |
594 | |
519 | while ($h > 0) { |
595 | while ($h > 0) { |
|
|
596 | unless ($locked) { |
|
|
597 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
|
|
598 | $bufsize = $::BUFSIZE; |
|
|
599 | $self->{time} = $::NOW; |
|
|
600 | $self->{written} = 0; |
|
|
601 | } |
|
|
602 | } |
|
|
603 | |
|
|
604 | if ($blocked{$self->{remote_id}}) { |
|
|
605 | $self->{h}{connection} = "close"; |
|
|
606 | die bless {}, err::; |
|
|
607 | } |
|
|
608 | |
520 | if (0) { |
609 | if (0) { # !AIO |
521 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
610 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
522 | or last; |
611 | or last; |
523 | } else { |
612 | } else { |
524 | undef $buf; |
613 | aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
525 | $aio_requests->down; |
|
|
526 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
527 | $buf, 0, sub { |
614 | $buf, 0, sub { |
528 | $r = $_[0]; |
615 | $r = $_[0]; |
529 | $current->ready; |
616 | Coro::ready($current); |
530 | }); |
617 | }); |
531 | &Coro::schedule; |
618 | &Coro::schedule; |
532 | $aio_requests->up; |
|
|
533 | last unless $r; |
619 | last unless $r; |
534 | } |
620 | } |
535 | my $w = $self->{fh}->syswrite($buf) |
621 | |
|
|
622 | $tbf->request(length $buf); |
|
|
623 | my $w = syswrite $self->{fh}, $buf |
536 | or last; |
624 | or last; |
537 | $::written += $w; |
625 | $::written += $w; |
538 | $self->{written} += $w; |
626 | $self->{written} += $w; |
539 | $l += $r; |
627 | $l += $r; |
540 | } |
628 | } |