1 |
root |
1.1 |
use Coro; |
2 |
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use Coro::Semaphore; |
3 |
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use Coro::Event; |
4 |
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use Coro::Socket; |
5 |
root |
1.44 |
use Coro::Signal; |
6 |
root |
1.1 |
|
7 |
root |
1.32 |
use HTTP::Date; |
8 |
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|
9 |
root |
1.1 |
no utf8; |
10 |
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use bytes; |
11 |
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12 |
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# at least on my machine, this thingy serves files |
13 |
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# quite a bit faster than apache, ;) |
14 |
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# and quite a bit slower than thttpd :( |
15 |
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16 |
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$SIG{PIPE} = 'IGNORE'; |
17 |
root |
1.27 |
|
18 |
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our $accesslog; |
19 |
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|
20 |
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if ($ACCESS_LOG) { |
21 |
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use IO::Handle; |
22 |
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open $accesslog, ">>$ACCESS_LOG" |
23 |
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or die "$ACCESS_LOG: $!"; |
24 |
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$accesslog->autoflush(1); |
25 |
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} |
26 |
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|
27 |
root |
1.1 |
sub slog { |
28 |
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my $level = shift; |
29 |
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my $format = shift; |
30 |
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printf "---: $format\n", @_; |
31 |
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} |
32 |
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33 |
root |
1.32 |
our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
34 |
root |
1.44 |
our $httpevent = new Coro::Signal; |
35 |
root |
1.34 |
|
36 |
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our $wait_factor = 0.95; |
37 |
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|
38 |
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our @transfers = ( |
39 |
root |
1.35 |
[(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
40 |
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[(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
41 |
root |
1.34 |
); |
42 |
root |
1.1 |
|
43 |
root |
1.6 |
my @newcons; |
44 |
root |
1.1 |
my @pool; |
45 |
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|
46 |
root |
1.2 |
# one "execution thread" |
47 |
root |
1.1 |
sub handler { |
48 |
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while () { |
49 |
root |
1.38 |
if (@newcons) { |
50 |
root |
1.1 |
eval { |
51 |
root |
1.38 |
conn->new(@{pop @newcons})->handle; |
52 |
root |
1.1 |
}; |
53 |
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slog 1, "$@" if $@ && !ref $@; |
54 |
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$connections->up; |
55 |
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} else { |
56 |
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last if @pool >= $MAX_POOL; |
57 |
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push @pool, $Coro::current; |
58 |
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schedule; |
59 |
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} |
60 |
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} |
61 |
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} |
62 |
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63 |
root |
1.40 |
sub listen_on { |
64 |
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my $listen = $_[0]; |
65 |
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66 |
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push @listen_sockets, $listen; |
67 |
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68 |
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# the "main thread" |
69 |
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async { |
70 |
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slog 1, "accepting connections"; |
71 |
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while () { |
72 |
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$connections->down; |
73 |
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push @newcons, [$listen->accept]; |
74 |
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#slog 3, "accepted @$connections ".scalar(@pool); |
75 |
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if (@pool) { |
76 |
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(pop @pool)->ready; |
77 |
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} else { |
78 |
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async \&handler; |
79 |
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} |
80 |
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81 |
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} |
82 |
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}; |
83 |
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} |
84 |
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|
85 |
root |
1.4 |
my $http_port = new Coro::Socket |
86 |
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LocalAddr => $SERVER_HOST, |
87 |
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LocalPort => $SERVER_PORT, |
88 |
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ReuseAddr => 1, |
89 |
root |
1.13 |
Listen => 50, |
90 |
root |
1.4 |
or die "unable to start server"; |
91 |
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|
92 |
root |
1.40 |
listen_on $http_port; |
93 |
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|
94 |
root |
1.41 |
if ($SERVER_PORT2) { |
95 |
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my $http_port = new Coro::Socket |
96 |
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LocalAddr => $SERVER_HOST, |
97 |
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LocalPort => $SERVER_PORT2, |
98 |
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ReuseAddr => 1, |
99 |
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Listen => 50, |
100 |
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or die "unable to start server"; |
101 |
root |
1.40 |
|
102 |
root |
1.41 |
listen_on $http_port; |
103 |
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} |
104 |
root |
1.4 |
|
105 |
root |
1.32 |
our $NOW; |
106 |
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our $HTTP_NOW; |
107 |
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|
108 |
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Event->timer(interval => 1, hard => 1, cb => sub { |
109 |
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$NOW = time; |
110 |
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$HTTP_NOW = time2str $NOW; |
111 |
root |
1.34 |
})->now; |
112 |
root |
1.1 |
|
113 |
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package conn; |
114 |
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|
115 |
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use Socket; |
116 |
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use HTTP::Date; |
117 |
root |
1.2 |
use Convert::Scalar 'weaken'; |
118 |
root |
1.16 |
use Linux::AIO; |
119 |
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|
120 |
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Linux::AIO::min_parallel $::AIO_PARALLEL; |
121 |
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|
122 |
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Event->io(fd => Linux::AIO::poll_fileno, |
123 |
root |
1.17 |
poll => 'r', async => 1, |
124 |
root |
1.21 |
cb => \&Linux::AIO::poll_cb); |
125 |
root |
1.16 |
|
126 |
root |
1.26 |
our %conn; # $conn{ip}{self} => connobj |
127 |
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our %uri; # $uri{ip}{uri}{self} |
128 |
root |
1.3 |
our %blocked; |
129 |
root |
1.9 |
our %mimetype; |
130 |
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|
131 |
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sub read_mimetypes { |
132 |
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local *M; |
133 |
root |
1.10 |
if (open M, "<mime_types") { |
134 |
root |
1.9 |
while (<M>) { |
135 |
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if (/^([^#]\S+)\t+(\S+)$/) { |
136 |
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$mimetype{lc $1} = $2; |
137 |
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} |
138 |
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} |
139 |
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} else { |
140 |
root |
1.10 |
print "cannot open mime_types\n"; |
141 |
root |
1.9 |
} |
142 |
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} |
143 |
root |
1.1 |
|
144 |
root |
1.10 |
read_mimetypes; |
145 |
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|
146 |
root |
1.1 |
sub new { |
147 |
|
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my $class = shift; |
148 |
root |
1.42 |
my $fh = shift; |
149 |
root |
1.6 |
my $peername = shift; |
150 |
root |
1.2 |
my $self = bless { fh => $fh }, $class; |
151 |
root |
1.6 |
my (undef, $iaddr) = unpack_sockaddr_in $peername |
152 |
|
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or $self->err(500, "unable to decode peername"); |
153 |
root |
1.7 |
|
154 |
root |
1.3 |
$self->{remote_addr} = inet_ntoa $iaddr; |
155 |
root |
1.11 |
$self->{time} = $::NOW; |
156 |
root |
1.2 |
|
157 |
root |
1.13 |
$::conns++; |
158 |
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|
159 |
root |
1.2 |
$self; |
160 |
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} |
161 |
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162 |
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sub DESTROY { |
163 |
|
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my $self = shift; |
164 |
root |
1.13 |
$::conns--; |
165 |
root |
1.19 |
$self->eoconn; |
166 |
|
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} |
167 |
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|
168 |
|
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# end of connection |
169 |
|
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sub eoconn { |
170 |
root |
1.26 |
my $self = shift; |
171 |
root |
1.36 |
|
172 |
|
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# clean up hints |
173 |
|
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delete $conn{$self->{remote_id}}{$self*1}; |
174 |
|
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delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
175 |
root |
1.44 |
|
176 |
|
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$httpevent->broadcast; |
177 |
root |
1.1 |
} |
178 |
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|
179 |
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sub slog { |
180 |
root |
1.4 |
my $self = shift; |
181 |
root |
1.29 |
main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
182 |
root |
1.1 |
} |
183 |
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|
184 |
root |
1.4 |
sub response { |
185 |
root |
1.1 |
my ($self, $code, $msg, $hdr, $content) = @_; |
186 |
root |
1.17 |
my $res = "HTTP/1.1 $code $msg\015\012"; |
187 |
root |
1.1 |
|
188 |
root |
1.46 |
if (exists $hdr->{Connection}) { |
189 |
|
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if ($hdr->{Connection} =~ /close/) { |
190 |
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$self->{h}{connection} = "close" |
191 |
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} |
192 |
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} else { |
193 |
|
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if ($self->{version} < 1.1) { |
194 |
|
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if ($self->{h}{connection} =~ /keep-alive/i) { |
195 |
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$hdr->{Connection} = "Keep-Alive"; |
196 |
|
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} else { |
197 |
|
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$self->{h}{connection} = "close" |
198 |
|
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} |
199 |
|
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} |
200 |
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} |
201 |
root |
1.28 |
|
202 |
root |
1.32 |
$res .= "Date: $HTTP_NOW\015\012"; |
203 |
root |
1.1 |
|
204 |
|
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while (my ($h, $v) = each %$hdr) { |
205 |
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$res .= "$h: $v\015\012" |
206 |
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} |
207 |
root |
1.10 |
$res .= "\015\012"; |
208 |
root |
1.4 |
|
209 |
root |
1.13 |
$res .= $content if defined $content and $self->{method} ne "HEAD"; |
210 |
root |
1.1 |
|
211 |
root |
1.27 |
my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
212 |
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|
213 |
|
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print $accesslog $log if $accesslog; |
214 |
|
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print STDERR $log; |
215 |
root |
1.2 |
|
216 |
root |
1.11 |
$self->{written} += |
217 |
|
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print {$self->{fh}} $res; |
218 |
root |
1.1 |
} |
219 |
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|
220 |
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sub err { |
221 |
|
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my $self = shift; |
222 |
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my ($code, $msg, $hdr, $content) = @_; |
223 |
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|
224 |
|
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unless (defined $content) { |
225 |
root |
1.35 |
$content = "$code $msg\n"; |
226 |
root |
1.1 |
$hdr->{"Content-Type"} = "text/plain"; |
227 |
|
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$hdr->{"Content-Length"} = length $content; |
228 |
|
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} |
229 |
root |
1.17 |
$hdr->{"Connection"} = "close"; |
230 |
root |
1.1 |
|
231 |
root |
1.4 |
$self->response($code, $msg, $hdr, $content); |
232 |
root |
1.1 |
|
233 |
|
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die bless {}, err::; |
234 |
|
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} |
235 |
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|
236 |
|
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sub handle { |
237 |
|
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my $self = shift; |
238 |
|
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my $fh = $self->{fh}; |
239 |
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|
240 |
root |
1.29 |
my $host; |
241 |
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|
242 |
root |
1.17 |
$fh->timeout($::REQ_TIMEOUT); |
243 |
|
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while() { |
244 |
|
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$self->{reqs}++; |
245 |
root |
1.1 |
|
246 |
|
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# read request and parse first line |
247 |
|
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my $req = $fh->readline("\015\012\015\012"); |
248 |
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|
249 |
root |
1.17 |
unless (defined $req) { |
250 |
|
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if (exists $self->{version}) { |
251 |
|
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last; |
252 |
|
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} else { |
253 |
|
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$self->err(408, "request timeout"); |
254 |
|
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} |
255 |
|
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} |
256 |
|
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|
257 |
|
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$self->{h} = {}; |
258 |
root |
1.1 |
|
259 |
root |
1.17 |
$fh->timeout($::RES_TIMEOUT); |
260 |
root |
1.3 |
|
261 |
root |
1.1 |
$req =~ /^(?:\015\012)? |
262 |
|
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(GET|HEAD) \040+ |
263 |
|
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([^\040]+) \040+ |
264 |
|
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HTTP\/([0-9]+\.[0-9]+) |
265 |
|
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\015\012/gx |
266 |
root |
1.14 |
or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
267 |
root |
1.1 |
|
268 |
|
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$self->{method} = $1; |
269 |
|
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$self->{uri} = $2; |
270 |
root |
1.17 |
$self->{version} = $3; |
271 |
|
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|
272 |
root |
1.20 |
$3 =~ /^1\./ |
273 |
root |
1.17 |
or $self->err(506, "http protocol version $3 not supported"); |
274 |
root |
1.1 |
|
275 |
|
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# parse headers |
276 |
|
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{ |
277 |
|
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my (%hdr, $h, $v); |
278 |
|
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|
279 |
|
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$hdr{lc $1} .= ",$2" |
280 |
|
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while $req =~ /\G |
281 |
|
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([^:\000-\040]+): |
282 |
|
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[\008\040]* |
283 |
|
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((?: [^\015\012]+ | \015\012[\008\040] )*) |
284 |
|
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\015\012 |
285 |
|
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/gxc; |
286 |
|
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|
287 |
|
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$req =~ /\G\015\012$/ |
288 |
|
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or $self->err(400, "bad request"); |
289 |
|
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|
290 |
|
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$self->{h}{$h} = substr $v, 1 |
291 |
|
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while ($h, $v) = each %hdr; |
292 |
|
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} |
293 |
|
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|
294 |
root |
1.36 |
# remote id should be unique per user |
295 |
|
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my $id = $self->{remote_addr}; |
296 |
|
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|
297 |
|
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if (exists $self->{h}{"client-ip"}) { |
298 |
|
|
$id .= "[".$self->{h}{"client-ip"}."]"; |
299 |
|
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} elsif (exists $self->{h}{"x-forwarded-for"}) { |
300 |
|
|
$id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
301 |
|
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} |
302 |
|
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|
303 |
|
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$self->{remote_id} = $id; |
304 |
|
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|
305 |
|
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if ($blocked{$id}) { |
306 |
|
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$self->err_blocked($blocked{$id}) |
307 |
|
|
if $blocked{$id} > $::NOW; |
308 |
|
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|
309 |
|
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delete $blocked{$id}; |
310 |
|
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} |
311 |
|
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|
312 |
|
|
if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
313 |
root |
1.44 |
my $delay = $::PER_TIMEOUT + $::NOW + 15; |
314 |
root |
1.36 |
while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
315 |
root |
1.44 |
if ($delay < $::NOW) { |
316 |
root |
1.36 |
$self->slog(2, "blocked ip $id"); |
317 |
|
|
$self->err_blocked; |
318 |
|
|
} else { |
319 |
root |
1.44 |
$httpevent->wait; |
320 |
root |
1.36 |
} |
321 |
|
|
} |
322 |
|
|
} |
323 |
|
|
|
324 |
root |
1.29 |
# find out server name and port |
325 |
|
|
if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
326 |
|
|
$host = $1; |
327 |
|
|
} else { |
328 |
|
|
$host = $self->{h}{host}; |
329 |
|
|
} |
330 |
|
|
|
331 |
|
|
if (defined $host) { |
332 |
|
|
$self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
333 |
|
|
} else { |
334 |
|
|
($self->{server_port}, $host) |
335 |
root |
1.43 |
= unpack_sockaddr_in $self->{fh}->sockname |
336 |
root |
1.29 |
or $self->err(500, "unable to get socket name"); |
337 |
|
|
$host = inet_ntoa $host; |
338 |
|
|
} |
339 |
|
|
|
340 |
|
|
$self->{server_name} = $host; |
341 |
|
|
|
342 |
root |
1.36 |
# enter ourselves into various lists |
343 |
|
|
weaken ($conn{$id}{$self*1} = $self); |
344 |
|
|
weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
345 |
root |
1.1 |
|
346 |
root |
1.24 |
eval { |
347 |
|
|
$self->map_uri; |
348 |
|
|
$self->respond; |
349 |
|
|
}; |
350 |
|
|
|
351 |
root |
1.26 |
$self->eoconn; |
352 |
|
|
|
353 |
root |
1.24 |
die if $@ && !ref $@; |
354 |
root |
1.17 |
|
355 |
root |
1.46 |
last if $self->{h}{connection} =~ /close/; |
356 |
root |
1.17 |
|
357 |
root |
1.44 |
$httpevent->broadcast; |
358 |
|
|
|
359 |
root |
1.17 |
$fh->timeout($::PER_TIMEOUT); |
360 |
|
|
} |
361 |
root |
1.1 |
} |
362 |
|
|
|
363 |
|
|
# uri => path mapping |
364 |
|
|
sub map_uri { |
365 |
|
|
my $self = shift; |
366 |
root |
1.29 |
my $host = $self->{server_name}; |
367 |
root |
1.1 |
my $uri = $self->{uri}; |
368 |
|
|
|
369 |
|
|
# some massaging, also makes it more secure |
370 |
|
|
$uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
371 |
|
|
$uri =~ s%//+%/%g; |
372 |
|
|
$uri =~ s%/\.(?=/|$)%%g; |
373 |
|
|
1 while $uri =~ s%/[^/]+/\.\.(?=/|$)%%; |
374 |
|
|
|
375 |
|
|
$uri =~ m%^/?\.\.(?=/|$)% |
376 |
|
|
and $self->err(400, "bad request"); |
377 |
|
|
|
378 |
|
|
$self->{name} = $uri; |
379 |
|
|
|
380 |
|
|
# now do the path mapping |
381 |
|
|
$self->{path} = "$::DOCROOT/$host$uri"; |
382 |
root |
1.7 |
|
383 |
|
|
$self->access_check; |
384 |
root |
1.1 |
} |
385 |
|
|
|
386 |
|
|
sub _cgi { |
387 |
|
|
my $self = shift; |
388 |
|
|
my $path = shift; |
389 |
|
|
my $fh; |
390 |
|
|
|
391 |
|
|
# no two-way xxx supported |
392 |
|
|
if (0 == fork) { |
393 |
|
|
open STDOUT, ">&".fileno($self->{fh}); |
394 |
|
|
if (chdir $::DOCROOT) { |
395 |
|
|
$ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
396 |
root |
1.29 |
$ENV{HTTP_HOST} = $self->{server_name}; |
397 |
|
|
$ENV{HTTP_PORT} = $self->{server_port}; |
398 |
root |
1.1 |
$ENV{SCRIPT_NAME} = $self->{name}; |
399 |
root |
1.10 |
exec $path; |
400 |
root |
1.1 |
} |
401 |
|
|
Coro::State::_exit(0); |
402 |
|
|
} else { |
403 |
root |
1.29 |
die; |
404 |
root |
1.1 |
} |
405 |
|
|
} |
406 |
|
|
|
407 |
root |
1.29 |
sub server_hostport { |
408 |
|
|
$_[0]{server_port} == 80 |
409 |
|
|
? $_[0]{server_name} |
410 |
|
|
: "$_[0]{server_name}:$_[0]{server_port}"; |
411 |
|
|
} |
412 |
|
|
|
413 |
root |
1.1 |
sub respond { |
414 |
|
|
my $self = shift; |
415 |
|
|
my $path = $self->{path}; |
416 |
|
|
|
417 |
|
|
stat $path |
418 |
|
|
or $self->err(404, "not found"); |
419 |
|
|
|
420 |
root |
1.10 |
$self->{stat} = [stat _]; |
421 |
|
|
|
422 |
root |
1.1 |
# idiotic netscape sends idiotic headers AGAIN |
423 |
|
|
my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
424 |
|
|
? str2time $1 : 0; |
425 |
|
|
|
426 |
|
|
if (-d _ && -r _) { |
427 |
|
|
# directory |
428 |
|
|
if ($path !~ /\/$/) { |
429 |
|
|
# create a redirect to get the trailing "/" |
430 |
root |
1.29 |
# we don't try to avoid the :80 |
431 |
|
|
$self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
432 |
root |
1.1 |
} else { |
433 |
root |
1.10 |
$ims < $self->{stat}[9] |
434 |
root |
1.1 |
or $self->err(304, "not modified"); |
435 |
|
|
|
436 |
root |
1.25 |
if (-r "$path/index.html") { |
437 |
root |
1.45 |
# replace directory "size" by index.html filesize |
438 |
|
|
$self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7]; |
439 |
root |
1.25 |
$self->handle_file; |
440 |
|
|
} else { |
441 |
|
|
$self->handle_dir; |
442 |
root |
1.1 |
} |
443 |
|
|
} |
444 |
|
|
} elsif (-f _ && -r _) { |
445 |
|
|
-x _ and $self->err(403, "forbidden"); |
446 |
|
|
$self->handle_file; |
447 |
|
|
} else { |
448 |
|
|
$self->err(404, "not found"); |
449 |
|
|
} |
450 |
|
|
} |
451 |
|
|
|
452 |
|
|
sub handle_dir { |
453 |
|
|
my $self = shift; |
454 |
root |
1.10 |
my $idx = $self->diridx; |
455 |
|
|
|
456 |
|
|
$self->response(200, "ok", |
457 |
|
|
{ |
458 |
|
|
"Content-Type" => "text/html", |
459 |
|
|
"Content-Length" => length $idx, |
460 |
|
|
}, |
461 |
|
|
$idx); |
462 |
root |
1.1 |
} |
463 |
|
|
|
464 |
|
|
sub handle_file { |
465 |
|
|
my $self = shift; |
466 |
root |
1.34 |
my $length = $self->{stat}[7]; |
467 |
|
|
my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
468 |
root |
1.1 |
my $hdr = { |
469 |
|
|
"Last-Modified" => time2str ((stat _)[9]), |
470 |
|
|
}; |
471 |
|
|
|
472 |
|
|
my @code = (200, "ok"); |
473 |
|
|
my ($l, $h); |
474 |
|
|
|
475 |
|
|
if ($self->{h}{range} =~ /^bytes=(.*)$/) { |
476 |
|
|
for (split /,/, $1) { |
477 |
|
|
if (/^-(\d+)$/) { |
478 |
|
|
($l, $h) = ($length - $1, $length - 1); |
479 |
|
|
} elsif (/^(\d+)-(\d*)$/) { |
480 |
|
|
($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
481 |
|
|
} else { |
482 |
|
|
($l, $h) = (0, $length - 1); |
483 |
|
|
goto ignore; |
484 |
|
|
} |
485 |
root |
1.26 |
goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
486 |
root |
1.1 |
} |
487 |
|
|
$hdr->{"Content-Range"} = "bytes */$length"; |
488 |
root |
1.24 |
$hdr->{"Content-Length"} = $length; |
489 |
|
|
$self->err(416, "not satisfiable", $hdr, ""); |
490 |
root |
1.1 |
|
491 |
|
|
satisfiable: |
492 |
root |
1.4 |
# check for segmented downloads |
493 |
root |
1.10 |
if ($l && $::NO_SEGMENTED) { |
494 |
root |
1.44 |
my $delay = $::NOW + $::PER_TIMEOUT + 15; |
495 |
root |
1.36 |
while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
496 |
root |
1.44 |
if ($delay <= $::NOW) { |
497 |
root |
1.30 |
$self->err_segmented_download; |
498 |
root |
1.29 |
} else { |
499 |
root |
1.46 |
$httpevent->wait; |
500 |
root |
1.29 |
} |
501 |
root |
1.4 |
} |
502 |
|
|
} |
503 |
|
|
|
504 |
root |
1.1 |
$hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
505 |
|
|
@code = (206, "partial content"); |
506 |
|
|
$length = $h - $l + 1; |
507 |
|
|
|
508 |
|
|
ignore: |
509 |
|
|
} else { |
510 |
|
|
($l, $h) = (0, $length - 1); |
511 |
|
|
} |
512 |
|
|
|
513 |
root |
1.9 |
$self->{path} =~ /\.([^.]+)$/; |
514 |
|
|
$hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
515 |
root |
1.1 |
$hdr->{"Content-Length"} = $length; |
516 |
|
|
|
517 |
root |
1.4 |
$self->response(@code, $hdr, ""); |
518 |
root |
1.1 |
|
519 |
|
|
if ($self->{method} eq "GET") { |
520 |
root |
1.32 |
$self->{time} = $::NOW; |
521 |
|
|
|
522 |
root |
1.35 |
my $fudge = $queue->[0]->waiters; |
523 |
|
|
$fudge = $fudge ? ($fudge+1)/$fudge : 1; |
524 |
|
|
|
525 |
|
|
$queue->[1] *= $fudge; |
526 |
root |
1.34 |
my $transfer = $queue->[0]->guard; |
527 |
root |
1.32 |
|
528 |
root |
1.35 |
if ($fudge != 1) { |
529 |
|
|
$queue->[1] /= $fudge; |
530 |
|
|
$queue->[1] = $queue->[1] * $::wait_factor |
531 |
|
|
+ ($::NOW - $self->{time}) * (1 - $::wait_factor); |
532 |
|
|
} |
533 |
root |
1.32 |
$self->{time} = $::NOW; |
534 |
root |
1.35 |
|
535 |
|
|
$self->{fh}->writable or return; |
536 |
root |
1.32 |
|
537 |
root |
1.16 |
my ($fh, $buf, $r); |
538 |
|
|
my $current = $Coro::current; |
539 |
root |
1.1 |
open $fh, "<", $self->{path} |
540 |
|
|
or die "$self->{path}: late open failure ($!)"; |
541 |
|
|
|
542 |
|
|
$h -= $l - 1; |
543 |
|
|
|
544 |
root |
1.19 |
if (0) { |
545 |
|
|
if ($l) { |
546 |
|
|
sysseek $fh, $l, 0; |
547 |
|
|
} |
548 |
|
|
} |
549 |
|
|
|
550 |
root |
1.1 |
while ($h > 0) { |
551 |
root |
1.19 |
if (0) { |
552 |
|
|
sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
553 |
|
|
or last; |
554 |
|
|
} else { |
555 |
|
|
aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
556 |
|
|
$buf, 0, sub { |
557 |
|
|
$r = $_[0]; |
558 |
root |
1.37 |
Coro::ready($current); |
559 |
root |
1.19 |
}); |
560 |
|
|
&Coro::schedule; |
561 |
|
|
last unless $r; |
562 |
|
|
} |
563 |
root |
1.37 |
my $w = syswrite $self->{fh}, $buf |
564 |
root |
1.1 |
or last; |
565 |
root |
1.11 |
$::written += $w; |
566 |
|
|
$self->{written} += $w; |
567 |
root |
1.16 |
$l += $r; |
568 |
root |
1.1 |
} |
569 |
root |
1.32 |
|
570 |
|
|
close $fh; |
571 |
root |
1.1 |
} |
572 |
root |
1.7 |
} |
573 |
|
|
|
574 |
root |
1.2 |
1; |