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 => $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 | $queue_file->force_wake_next; |
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71 | slog 1, "forced filetransfer due to unused bandwidth"; |
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72 | } |
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73 | } |
40 | |
74 | |
41 | my @newcons; |
75 | my @newcons; |
42 | my @pool; |
76 | my @pool; |
43 | |
77 | |
44 | # one "execution thread" |
78 | # one "execution thread" |
… | |
… | |
47 | if (@newcons) { |
81 | if (@newcons) { |
48 | eval { |
82 | eval { |
49 | conn->new(@{pop @newcons})->handle; |
83 | conn->new(@{pop @newcons})->handle; |
50 | }; |
84 | }; |
51 | slog 1, "$@" 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 | |
52 | $connections->up; |
89 | $connections->up; |
53 | } else { |
90 | } else { |
54 | last if @pool >= $MAX_POOL; |
91 | last if @pool >= $MAX_POOL; |
55 | push @pool, $Coro::current; |
92 | push @pool, $Coro::current; |
56 | schedule; |
93 | schedule; |
57 | } |
94 | } |
58 | } |
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 | }; |
59 | } |
117 | } |
60 | |
118 | |
61 | my $http_port = new Coro::Socket |
119 | my $http_port = new Coro::Socket |
62 | LocalAddr => $SERVER_HOST, |
120 | LocalAddr => $SERVER_HOST, |
63 | LocalPort => $SERVER_PORT, |
121 | LocalPort => $SERVER_PORT, |
64 | ReuseAddr => 1, |
122 | ReuseAddr => 1, |
65 | Listen => 50, |
123 | Listen => 50, |
66 | or die "unable to start server"; |
124 | or die "unable to start server"; |
67 | |
125 | |
68 | push @listen_sockets, $http_port; |
126 | listen_on $http_port; |
69 | |
127 | |
70 | our $NOW; |
128 | if ($SERVER_PORT2) { |
71 | our $HTTP_NOW; |
129 | my $http_port = new Coro::Socket |
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130 | LocalAddr => $SERVER_HOST, |
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131 | LocalPort => $SERVER_PORT2, |
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132 | ReuseAddr => 1, |
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133 | Listen => 50, |
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134 | or die "unable to start server"; |
72 | |
135 | |
73 | Event->timer(interval => 1, hard => 1, cb => sub { |
136 | listen_on $http_port; |
74 | $NOW = time; |
137 | } |
75 | $HTTP_NOW = time2str $NOW; |
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76 | })->now; |
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77 | |
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78 | # the "main thread" |
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79 | async { |
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80 | slog 1, "accepting connections"; |
|
|
81 | while () { |
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82 | $connections->down; |
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83 | push @newcons, [$http_port->accept]; |
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84 | #slog 3, "accepted @$connections ".scalar(@pool); |
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85 | if (@pool) { |
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86 | (pop @pool)->ready; |
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87 | } else { |
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88 | async \&handler; |
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89 | } |
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90 | |
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91 | } |
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92 | }; |
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93 | |
138 | |
94 | package conn; |
139 | package conn; |
95 | |
140 | |
96 | use Socket; |
141 | use Socket; |
97 | use HTTP::Date; |
142 | use HTTP::Date; |
… | |
… | |
124 | |
169 | |
125 | read_mimetypes; |
170 | read_mimetypes; |
126 | |
171 | |
127 | sub new { |
172 | sub new { |
128 | my $class = shift; |
173 | my $class = shift; |
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174 | my $fh = shift; |
129 | my $peername = shift; |
175 | my $peername = shift; |
130 | my $fh = shift; |
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131 | my $self = bless { fh => $fh }, $class; |
176 | my $self = bless { fh => $fh }, $class; |
132 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
177 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
133 | or $self->err(500, "unable to decode peername"); |
178 | or $self->err(500, "unable to decode peername"); |
134 | |
179 | |
|
|
180 | $self->{remote_addr} = |
135 | $self->{remote_addr} = inet_ntoa $iaddr; |
181 | $self->{remote_id} = inet_ntoa $iaddr; |
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182 | |
136 | $self->{time} = $::NOW; |
183 | $self->{time} = $::NOW; |
137 | |
184 | |
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185 | weaken ($Coro::current->{conn} = $self); |
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186 | |
138 | $::conns++; |
187 | $::conns++; |
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188 | $::maxconns = $::conns if $::conns > $::maxconns; |
139 | |
189 | |
140 | $self; |
190 | $self; |
141 | } |
191 | } |
142 | |
192 | |
143 | sub DESTROY { |
193 | sub DESTROY { |
144 | my $self = shift; |
194 | #my $self = shift; |
145 | |
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146 | $::conns--; |
195 | $::conns--; |
147 | |
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148 | $self->eoconn; |
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149 | } |
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150 | |
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151 | # end of connection |
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152 | sub eoconn { |
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153 | my $self = shift; |
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154 | |
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155 | # clean up hints |
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156 | delete $conn{$self->{remote_id}}{$self*1}; |
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157 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
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158 | } |
196 | } |
159 | |
197 | |
160 | sub slog { |
198 | sub slog { |
161 | my $self = shift; |
199 | my $self = shift; |
162 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
200 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
163 | } |
201 | } |
164 | |
202 | |
165 | sub response { |
203 | sub response { |
166 | my ($self, $code, $msg, $hdr, $content) = @_; |
204 | my ($self, $code, $msg, $hdr, $content) = @_; |
167 | my $res = "HTTP/1.1 $code $msg\015\012"; |
205 | my $res = "HTTP/1.1 $code $msg\015\012"; |
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206 | my $GZ = ""; |
168 | |
207 | |
169 | $self->{h}{connection} ||= $hdr->{Connection}; |
208 | if (exists $hdr->{Connection}) { |
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209 | if ($hdr->{Connection} =~ /close/) { |
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210 | $self->{h}{connection} = "close" |
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211 | } |
|
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212 | } else { |
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213 | if ($self->{version} < 1.1) { |
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214 | if ($self->{h}{connection} =~ /keep-alive/i) { |
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215 | $hdr->{Connection} = "Keep-Alive"; |
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216 | } else { |
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217 | $self->{h}{connection} = "close" |
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218 | } |
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219 | } |
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220 | } |
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221 | |
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222 | if ($self->{method} ne "HEAD" |
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223 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
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224 | && 400 < length $content |
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225 | && $hdr->{"Content-Length"} == length $content |
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226 | && !exists $hdr->{"Content-Encoding"} |
|
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227 | ) { |
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228 | my $orig = length $content; |
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229 | $hdr->{"Content-Encoding"} = "gzip"; |
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230 | $content = Compress::Zlib::memGzip(\$content); |
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231 | $hdr->{"Content-Length"} = length $content; |
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232 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
|
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233 | } |
170 | |
234 | |
171 | $res .= "Date: $HTTP_NOW\015\012"; |
235 | $res .= "Date: $HTTP_NOW\015\012"; |
|
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236 | $res .= "Server: $::NAME\015\012"; |
172 | |
237 | |
173 | while (my ($h, $v) = each %$hdr) { |
238 | while (my ($h, $v) = each %$hdr) { |
174 | $res .= "$h: $v\015\012" |
239 | $res .= "$h: $v\015\012" |
175 | } |
240 | } |
176 | $res .= "\015\012"; |
241 | $res .= "\015\012"; |
177 | |
242 | |
178 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
243 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
179 | |
244 | |
180 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
245 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
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246 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
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247 | " \"$self->{h}{referer}\"\n"; |
181 | |
248 | |
182 | print $accesslog $log if $accesslog; |
249 | print $::accesslog $log if $::accesslog; |
183 | print STDERR $log; |
250 | print STDERR $log; |
184 | |
251 | |
185 | $self->{written} += |
252 | $tbf_top->request(length $res, 1e6); |
186 | print {$self->{fh}} $res; |
253 | $self->{written} += print {$self->{fh}} $res; |
187 | } |
254 | } |
188 | |
255 | |
189 | sub err { |
256 | sub err { |
190 | my $self = shift; |
257 | my $self = shift; |
191 | my ($code, $msg, $hdr, $content) = @_; |
258 | my ($code, $msg, $hdr, $content) = @_; |
… | |
… | |
246 | my (%hdr, $h, $v); |
313 | my (%hdr, $h, $v); |
247 | |
314 | |
248 | $hdr{lc $1} .= ",$2" |
315 | $hdr{lc $1} .= ",$2" |
249 | while $req =~ /\G |
316 | while $req =~ /\G |
250 | ([^:\000-\040]+): |
317 | ([^:\000-\040]+): |
251 | [\008\040]* |
318 | [\011\040]* |
252 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
319 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
253 | \015\012 |
320 | \015\012 |
254 | /gxc; |
321 | /gxc; |
255 | |
322 | |
256 | $req =~ /\G\015\012$/ |
323 | $req =~ /\G\015\012$/ |
257 | or $self->err(400, "bad request"); |
324 | or $self->err(400, "bad request"); |
… | |
… | |
269 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
336 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
270 | } |
337 | } |
271 | |
338 | |
272 | $self->{remote_id} = $id; |
339 | $self->{remote_id} = $id; |
273 | |
340 | |
|
|
341 | weaken (local $conn{$id}{$self*1} = $self); |
|
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342 | |
274 | if ($blocked{$id}) { |
343 | if ($blocked{$id}) { |
275 | $self->err_blocked($blocked{$id}) |
344 | $self->err_blocked |
276 | if $blocked{$id} > $::NOW; |
345 | if $blocked{$id}[0] > $::NOW; |
277 | |
346 | |
278 | delete $blocked{$id}; |
347 | delete $blocked{$id}; |
279 | } |
|
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280 | |
|
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281 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
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282 | my $delay = $::PER_TIMEOUT + 15; |
|
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283 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
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284 | if ($delay <= 0) { |
|
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285 | $self->slog(2, "blocked ip $id"); |
|
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286 | $self->err_blocked; |
|
|
287 | } else { |
|
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288 | Coro::Event::do_timer(after => 4); $delay -= 4; |
|
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289 | } |
|
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290 | } |
|
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291 | } |
348 | } |
292 | |
349 | |
293 | # find out server name and port |
350 | # find out server name and port |
294 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
351 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
295 | $host = $1; |
352 | $host = $1; |
… | |
… | |
299 | |
356 | |
300 | if (defined $host) { |
357 | if (defined $host) { |
301 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
358 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
302 | } else { |
359 | } else { |
303 | ($self->{server_port}, $host) |
360 | ($self->{server_port}, $host) |
304 | = unpack_sockaddr_in $self->{fh}->getsockname |
361 | = unpack_sockaddr_in $self->{fh}->sockname |
305 | or $self->err(500, "unable to get socket name"); |
362 | or $self->err(500, "unable to get socket name"); |
306 | $host = inet_ntoa $host; |
363 | $host = inet_ntoa $host; |
307 | } |
364 | } |
308 | |
365 | |
309 | $self->{server_name} = $host; |
366 | $self->{server_name} = $host; |
310 | |
367 | |
311 | # enter ourselves into various lists |
|
|
312 | weaken ($conn{$id}{$self*1} = $self); |
|
|
313 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
368 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
314 | |
369 | |
315 | eval { |
370 | eval { |
316 | $self->map_uri; |
371 | $self->map_uri; |
317 | $self->respond; |
372 | $self->respond; |
318 | }; |
373 | }; |
319 | |
374 | |
320 | $self->eoconn; |
|
|
321 | |
|
|
322 | die if $@ && !ref $@; |
375 | die if $@ && !ref $@; |
323 | |
376 | |
324 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
377 | last if $self->{h}{connection} =~ /close/i; |
|
|
378 | |
|
|
379 | $httpevent->broadcast; |
325 | |
380 | |
326 | $fh->timeout($::PER_TIMEOUT); |
381 | $fh->timeout($::PER_TIMEOUT); |
327 | } |
382 | } |
|
|
383 | } |
|
|
384 | |
|
|
385 | sub block { |
|
|
386 | my $self = shift; |
|
|
387 | |
|
|
388 | $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
|
|
389 | $self->slog(2, "blocked ip $self->{remote_id}"); |
|
|
390 | $self->err_blocked; |
328 | } |
391 | } |
329 | |
392 | |
330 | # uri => path mapping |
393 | # uri => path mapping |
331 | sub map_uri { |
394 | sub map_uri { |
332 | my $self = shift; |
395 | my $self = shift; |
… | |
… | |
379 | |
442 | |
380 | sub respond { |
443 | sub respond { |
381 | my $self = shift; |
444 | my $self = shift; |
382 | my $path = $self->{path}; |
445 | my $path = $self->{path}; |
383 | |
446 | |
384 | stat $path |
447 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
385 | or $self->err(404, "not found"); |
448 | if ($::internal{$1}) { |
386 | |
449 | $::internal{$1}->($self); |
387 | $self->{stat} = [stat _]; |
|
|
388 | |
|
|
389 | # idiotic netscape sends idiotic headers AGAIN |
|
|
390 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
391 | ? str2time $1 : 0; |
|
|
392 | |
|
|
393 | if (-d _ && -r _) { |
|
|
394 | # directory |
|
|
395 | if ($path !~ /\/$/) { |
|
|
396 | # create a redirect to get the trailing "/" |
|
|
397 | # we don't try to avoid the :80 |
|
|
398 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
|
|
399 | } else { |
450 | } else { |
400 | $ims < $self->{stat}[9] |
451 | $self->err(404, "not found"); |
|
|
452 | } |
|
|
453 | } else { |
|
|
454 | |
|
|
455 | stat $path |
401 | or $self->err(304, "not modified"); |
456 | or $self->err(404, "not found"); |
402 | |
457 | |
403 | if (-r "$path/index.html") { |
458 | $self->{stat} = [stat _]; |
404 | $self->{path} .= "/index.html"; |
459 | |
405 | $self->handle_file; |
460 | # idiotic netscape sends idiotic headers AGAIN |
|
|
461 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
462 | ? str2time $1 : 0; |
|
|
463 | |
|
|
464 | if (-d _ && -r _) { |
|
|
465 | # directory |
|
|
466 | if ($path !~ /\/$/) { |
|
|
467 | # create a redirect to get the trailing "/" |
|
|
468 | # we don't try to avoid the :80 |
|
|
469 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
406 | } else { |
470 | } else { |
|
|
471 | $ims < $self->{stat}[9] |
|
|
472 | or $self->err(304, "not modified"); |
|
|
473 | |
|
|
474 | if (-r "$path/index.html") { |
|
|
475 | # replace directory "size" by index.html filesize |
|
|
476 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
|
|
477 | $self->handle_file($queue_index, $tbf_top); |
|
|
478 | } else { |
407 | $self->handle_dir; |
479 | $self->handle_dir; |
408 | } |
480 | } |
409 | } |
481 | } |
410 | } elsif (-f _ && -r _) { |
482 | } elsif (-f _ && -r _) { |
411 | -x _ and $self->err(403, "forbidden"); |
483 | -x _ and $self->err(403, "forbidden"); |
412 | $self->handle_file; |
484 | |
|
|
485 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
486 | my $timeout = $::NOW + 10; |
|
|
487 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
488 | if ($timeout < $::NOW) { |
|
|
489 | $self->block($::BLOCKTIME, "too many connections"); |
|
|
490 | } else { |
|
|
491 | $httpevent->wait; |
|
|
492 | } |
|
|
493 | } |
|
|
494 | } |
|
|
495 | |
|
|
496 | $self->handle_file($queue_file, $tbf_top); |
413 | } else { |
497 | } else { |
414 | $self->err(404, "not found"); |
498 | $self->err(404, "not found"); |
|
|
499 | } |
415 | } |
500 | } |
416 | } |
501 | } |
417 | |
502 | |
418 | sub handle_dir { |
503 | sub handle_dir { |
419 | my $self = shift; |
504 | my $self = shift; |
… | |
… | |
421 | |
506 | |
422 | $self->response(200, "ok", |
507 | $self->response(200, "ok", |
423 | { |
508 | { |
424 | "Content-Type" => "text/html", |
509 | "Content-Type" => "text/html", |
425 | "Content-Length" => length $idx, |
510 | "Content-Length" => length $idx, |
|
|
511 | "Last-Modified" => time2str ($self->{stat}[9]), |
426 | }, |
512 | }, |
427 | $idx); |
513 | $idx); |
428 | } |
514 | } |
429 | |
515 | |
430 | sub handle_file { |
516 | sub handle_file { |
431 | my $self = shift; |
517 | my ($self, $queue, $tbf) = @_; |
432 | my $length = $self->{stat}[7]; |
518 | my $length = $self->{stat}[7]; |
433 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
|
|
434 | my $hdr = { |
519 | my $hdr = { |
435 | "Last-Modified" => time2str ((stat _)[9]), |
520 | "Last-Modified" => time2str ((stat _)[9]), |
436 | }; |
521 | }; |
437 | |
522 | |
438 | my @code = (200, "ok"); |
523 | my @code = (200, "ok"); |
… | |
… | |
455 | $self->err(416, "not satisfiable", $hdr, ""); |
540 | $self->err(416, "not satisfiable", $hdr, ""); |
456 | |
541 | |
457 | satisfiable: |
542 | satisfiable: |
458 | # check for segmented downloads |
543 | # check for segmented downloads |
459 | if ($l && $::NO_SEGMENTED) { |
544 | if ($l && $::NO_SEGMENTED) { |
460 | my $delay = $::PER_TIMEOUT + 15; |
545 | my $timeout = $::NOW + 15; |
461 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
546 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
462 | if ($delay <= 0) { |
547 | if ($timeout <= $::NOW) { |
|
|
548 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
463 | $self->err_segmented_download; |
549 | #$self->err_segmented_download; |
464 | } else { |
550 | } else { |
465 | Coro::Event::do_timer(after => 4); $delay -= 4; |
551 | $httpevent->wait; |
466 | } |
552 | } |
467 | } |
553 | } |
468 | } |
554 | } |
469 | |
555 | |
470 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
556 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
… | |
… | |
482 | |
568 | |
483 | $self->response(@code, $hdr, ""); |
569 | $self->response(@code, $hdr, ""); |
484 | |
570 | |
485 | if ($self->{method} eq "GET") { |
571 | if ($self->{method} eq "GET") { |
486 | $self->{time} = $::NOW; |
572 | $self->{time} = $::NOW; |
487 | |
|
|
488 | my $fudge = $queue->[0]->waiters; |
|
|
489 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
|
|
490 | |
|
|
491 | $queue->[1] *= $fudge; |
|
|
492 | my $transfer = $queue->[0]->guard; |
|
|
493 | |
|
|
494 | if ($fudge != 1) { |
|
|
495 | $queue->[1] /= $fudge; |
|
|
496 | $queue->[1] = $queue->[1] * $::wait_factor |
|
|
497 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
|
498 | } |
|
|
499 | $self->{time} = $::NOW; |
573 | $self->{written} = 0; |
500 | |
574 | |
501 | $self->{fh}->writable or return; |
575 | my $current = $Coro::current; |
502 | |
576 | |
503 | my ($fh, $buf, $r); |
577 | my ($fh, $buf, $r); |
504 | my $current = $Coro::current; |
578 | |
505 | open $fh, "<", $self->{path} |
579 | open $fh, "<", $self->{path} |
506 | or die "$self->{path}: late open failure ($!)"; |
580 | or die "$self->{path}: late open failure ($!)"; |
507 | |
581 | |
508 | $h -= $l - 1; |
582 | $h -= $l - 1; |
509 | |
583 | |
510 | if (0) { |
584 | if (0) { # !AIO |
511 | if ($l) { |
585 | if ($l) { |
512 | sysseek $fh, $l, 0; |
586 | sysseek $fh, $l, 0; |
513 | } |
587 | } |
514 | } |
588 | } |
|
|
589 | |
|
|
590 | my $transfer = $queue->start_transfer($h); |
|
|
591 | my $locked; |
|
|
592 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
515 | |
593 | |
516 | while ($h > 0) { |
594 | while ($h > 0) { |
|
|
595 | unless ($locked) { |
|
|
596 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
|
|
597 | $bufsize = $::BUFSIZE; |
|
|
598 | $self->{time} = $::NOW; |
|
|
599 | $self->{written} = 0; |
|
|
600 | } |
|
|
601 | } |
|
|
602 | |
|
|
603 | if ($blocked{$self->{remote_id}}) { |
|
|
604 | $self->{h}{connection} = "close"; |
|
|
605 | die bless {}, err::; |
|
|
606 | } |
|
|
607 | |
517 | if (0) { |
608 | if (0) { # !AIO |
518 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
609 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
519 | or last; |
610 | or last; |
520 | } else { |
611 | } else { |
521 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
612 | aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
522 | $buf, 0, sub { |
613 | $buf, 0, sub { |
523 | $r = $_[0]; |
614 | $r = $_[0]; |
524 | Coro::ready($current); |
615 | Coro::ready($current); |
525 | }); |
616 | }); |
526 | &Coro::schedule; |
617 | &Coro::schedule; |
527 | last unless $r; |
618 | last unless $r; |
528 | } |
619 | } |
|
|
620 | |
|
|
621 | $tbf->request(length $buf); |
529 | my $w = syswrite $self->{fh}, $buf |
622 | my $w = syswrite $self->{fh}, $buf |
530 | or last; |
623 | or last; |
531 | $::written += $w; |
624 | $::written += $w; |
532 | $self->{written} += $w; |
625 | $self->{written} += $w; |
533 | $l += $r; |
626 | $l += $r; |