[ViewVC] Diff of: cvs/cvsroot/Coro/myhttpd/httpd.pl

Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.10 by root, Sat Aug 11 16:34:47 2001 UTC vs.
Revision 1.32 by root, Wed Aug 29 01:32:50 2001 UTC

…		…
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;
5		5
		6	use HTTP::Date;
		7
6	no utf8;	8	no utf8;
7	use bytes;	9	use bytes;
		10
		11	our @wait_time = (0); # used to calculcate avg. waiting time
8		12
9	# at least on my machine, this thingy serves files	13	# at least on my machine, this thingy serves files
10	# quite a bit faster than apache, ;)	14	# quite a bit faster than apache, ;)
11	# and quite a bit slower than thttpd :(	15	# and quite a bit slower than thttpd :(
12		16
13	$SIG{PIPE} = 'IGNORE';	17	$SIG{PIPE} = 'IGNORE';
14		18
		19	our $accesslog;
		20
		21	if ($ACCESS_LOG) {
		22	use IO::Handle;
		23	open $accesslog, ">>$ACCESS_LOG"
		24	or die "$ACCESS_LOG: $!";
		25	$accesslog->autoflush(1);
		26	}
		27
15	sub slog {	28	sub slog {
16	my $level = shift;	29	my $level = shift;
17	my $format = shift;	30	my $format = shift;
18	printf "---: $format\n", @_;	31	printf "---: $format\n", @_;
19	}	32	}
20		33
21	my $connections = new Coro::Semaphore $MAX_CONNECTS;	34	our $connections = new Coro::Semaphore $MAX_CONNECTS \|\| 250;
		35	our $transfers = new Coro::Semaphore $MAX_TRANSFER \|\| 50;
22		36
23	my @newcons;	37	my @newcons;
24	my @pool;	38	my @pool;
25		39
26	# one "execution thread"	40	# one "execution thread"
43		57
44	my $http_port = new Coro::Socket	58	my $http_port = new Coro::Socket
45	LocalAddr => $SERVER_HOST,	59	LocalAddr => $SERVER_HOST,
46	LocalPort => $SERVER_PORT,	60	LocalPort => $SERVER_PORT,
47	ReuseAddr => 1,	61	ReuseAddr => 1,
48	Listen => 1,	62	Listen => 50,
49	or die "unable to start server";	63	or die "unable to start server";
50		64
51	push @listen_sockets, $http_port;	65	push @listen_sockets, $http_port;
		66
		67	our $NOW;
		68	our $HTTP_NOW;
		69
		70	Event->timer(interval => 1, hard => 1, cb => sub {
		71	$NOW = time;
		72	$HTTP_NOW = time2str $NOW;
		73	});
52		74
53	# the "main thread"	75	# the "main thread"
54	async {	76	async {
55	slog 1, "accepting connections";	77	slog 1, "accepting connections";
56	while () {	78	while () {
57	$connections->down;	79	$connections->down;
58	push @newcons, [$http_port->accept];	80	push @newcons, [$http_port->accept];
59	#slog 3, "accepted @$connections ".scalar(@pool);	81	#slog 3, "accepted @$connections ".scalar(@pool);
60	$::NOW = time;
61	if (@pool) {	82	if (@pool) {
62	(pop @pool)->ready;	83	(pop @pool)->ready;
63	} else {	84	} else {
64	async \&handler;	85	async \&handler;
65	}	86	}
…		…
70	package conn;	91	package conn;
71		92
72	use Socket;	93	use Socket;
73	use HTTP::Date;	94	use HTTP::Date;
74	use Convert::Scalar 'weaken';	95	use Convert::Scalar 'weaken';
		96	use Linux::AIO;
75		97
		98	Linux::AIO::min_parallel $::AIO_PARALLEL;
		99
		100	my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4;
		101
		102	Event->io(fd => Linux::AIO::poll_fileno,
		103	poll => 'r', async => 1,
		104	cb => \&Linux::AIO::poll_cb);
		105
76	our %conn; # $conn{ip}{fh} => connobj	106	our %conn; # $conn{ip}{self} => connobj
		107	our %uri; # $uri{ip}{uri}{self}
77	our %blocked;	108	our %blocked;
78	our %mimetype;	109	our %mimetype;
79		110
80	sub read_mimetypes {	111	sub read_mimetypes {
81	local *M;	112	local *M;
…		…
99	my $self = bless { fh => $fh }, $class;	130	my $self = bless { fh => $fh }, $class;
100	my (undef, $iaddr) = unpack_sockaddr_in $peername	131	my (undef, $iaddr) = unpack_sockaddr_in $peername
101	or $self->err(500, "unable to decode peername");	132	or $self->err(500, "unable to decode peername");
102		133
103	$self->{remote_addr} = inet_ntoa $iaddr;	134	$self->{remote_addr} = inet_ntoa $iaddr;
		135	$self->{time} = $::NOW;
104		136
105	# enter ourselves into various lists	137	# enter ourselves into various lists
106	weaken ($conn{$self->{remote_addr}}{$self*1} = $self);	138	weaken ($conn{$self->{remote_addr}}{$self*1} = $self);
107		139
		140	$::conns++;
		141
108	$self;	142	$self;
109	}	143	}
110		144
111	sub DESTROY {	145	sub DESTROY {
112	my $self = shift;	146	my $self = shift;
		147
		148	$::conns--;
		149
		150	$self->eoconn;
113	delete $conn{$self->{remote_addr}}{$self*1};	151	delete $conn{$self->{remote_addr}}{$self*1};
		152	}
		153
		154	# end of connection
		155	sub eoconn {
		156	my $self = shift;
114	delete $uri{$self->{uri}}{$self*1};	157	delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1};
115	}	158	}
116		159
117	sub slog {	160	sub slog {
118	my $self = shift;	161	my $self = shift;
119	main::slog($_[0], "$self->{remote_addr}> $_[1]");	162	main::slog($_[0], ($self->{remote_id} \|\| $self->{remote_addr}) ."> $_[1]");
120	}	163	}
121		164
122	sub response {	165	sub response {
123	my ($self, $code, $msg, $hdr, $content) = @_;	166	my ($self, $code, $msg, $hdr, $content) = @_;
124	my $res = "HTTP/1.0 $code $msg\015\012";	167	my $res = "HTTP/1.1 $code $msg\015\012";
125		168
126	$res .= "Connection: close\015\012";	169	$self->{h}{connection} \|\|= $hdr->{Connection};
127	$res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :(	170
		171	$res .= "Date: $HTTP_NOW\015\012";
128		172
129	while (my ($h, $v) = each %$hdr) {	173	while (my ($h, $v) = each %$hdr) {
130	$res .= "$h: $v\015\012"	174	$res .= "$h: $v\015\012"
131	}	175	}
132	$res .= "\015\012";	176	$res .= "\015\012";
133		177
134	$res .= $content if defined $content and $self->{method} eq "GET";	178	$res .= $content if defined $content and $self->{method} ne "HEAD";
135		179
136	print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d#	180	my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";
137		181
		182	print $accesslog $log if $accesslog;
		183	print STDERR $log;
		184
		185	$self->{written} +=
138	print {$self->{fh}} $res;	186	print {$self->{fh}} $res;
139	}	187	}
140		188
141	sub err {	189	sub err {
142	my $self = shift;	190	my $self = shift;
143	my ($code, $msg, $hdr, $content) = @_;	191	my ($code, $msg, $hdr, $content) = @_;
…		…
145	unless (defined $content) {	193	unless (defined $content) {
146	$content = "$code $msg";	194	$content = "$code $msg";
147	$hdr->{"Content-Type"} = "text/plain";	195	$hdr->{"Content-Type"} = "text/plain";
148	$hdr->{"Content-Length"} = length $content;	196	$hdr->{"Content-Length"} = length $content;
149	}	197	}
		198	$hdr->{"Connection"} = "close";
150		199
151	$self->response($code, $msg, $hdr, $content);	200	$self->response($code, $msg, $hdr, $content);
152		201
153	die bless {}, err::;	202	die bless {}, err::;
154	}	203	}
155		204
156	sub err_blocked {
157	my $self = shift;
158	my $ip = $self->{remote_addr};
159	my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME;
160
161	Coro::Event::do_timer(after => 5);
162
163	$self->err(403, "too many connections",
164	{
165	"Content-Type" => "text/html",
166	"Retry-After" => $::BLOCKTIME
167	},
168	<<EOF);
169	<html><p>
170	You have been blocked because you opened too many connections. You
171	may retry at</p>
172
173	<p><blockquote>$time.</blockquote></p>
174
175	<p>Until then, each new access will renew the block. You might want to have a
176	look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p>
177	</html>
178	EOF
179	}
180
181	sub handle {	205	sub handle {
182	my $self = shift;	206	my $self = shift;
183	my $fh = $self->{fh};	207	my $fh = $self->{fh};
184		208
		209	my $host;
		210
		211	$fh->timeout($::REQ_TIMEOUT);
185	#while() {	212	while() {
		213	$self->{reqs}++;
		214
		215	# read request and parse first line
		216	my $req = $fh->readline("\015\012\015\012");
		217
		218	unless (defined $req) {
		219	if (exists $self->{version}) {
		220	last;
		221	} else {
		222	$self->err(408, "request timeout");
		223	}
		224	}
		225
186	$self->{h} = {};	226	$self->{h} = {};
187		227
188	# read request and parse first line
189	$fh->timeout($::REQ_TIMEOUT);
190	my $req = $fh->readline("\015\012\015\012");
191	$fh->timeout($::RES_TIMEOUT);	228	$fh->timeout($::RES_TIMEOUT);
192
193	defined $req or
194	$self->err(408, "request timeout");
195
196	my $ip = $self->{remote_addr};	229	my $ip = $self->{remote_addr};
197		230
198	if ($blocked{$ip}) {	231	if ($blocked{$ip}) {
199	$self->err_blocked($blocked{$ip})	232	$self->err_blocked($blocked{$ip})
200	if $blocked{$ip} > $::NOW;	233	if $blocked{$ip} > $::NOW;
201		234
202	delete $blocked{$ip};	235	delete $blocked{$ip};
203	}	236	}
204		237
205	if (%{$conn{$ip}} > $::MAX_CONN_IP) {	238	if (%{$conn{$ip}} > $::MAX_CONN_IP) {
		239	my $delay = 120;
		240	while (%{$conn{$ip}} > $::MAX_CONN_IP) {
		241	if ($delay <= 0) {
206	$self->slog("blocked ip $ip");	242	$self->slog(2, "blocked ip $ip");
207	$self->err_blocked;	243	$self->err_blocked;
		244	} else {
		245	Coro::Event::do_timer(after => 3);
		246	$delay -= 3;
		247	}
		248	}
208	}	249	}
209		250
210	$req =~ /^(?:\015\012)?	251	$req =~ /^(?:\015\012)?
211	(GET\|HEAD) \040+	252	(GET\|HEAD) \040+
212	([^\040]+) \040+	253	([^\040]+) \040+
213	HTTP\/([0-9]+\.[0-9]+)	254	HTTP\/([0-9]+\.[0-9]+)
214	\015\012/gx	255	\015\012/gx
215	or $self->err(403, "method not allowed", { Allow => "GET,HEAD" });	256	or $self->err(405, "method not allowed", { Allow => "GET,HEAD" });
216
217	$2 ne "1.0"
218	or $self->err(506, "http protocol version not supported");
219		257
220	$self->{method} = $1;	258	$self->{method} = $1;
221	$self->{uri} = $2;	259	$self->{uri} = $2;
		260	$self->{version} = $3;
		261
		262	$3 =~ /^1\./
		263	or $self->err(506, "http protocol version $3 not supported");
222		264
223	# parse headers	265	# parse headers
224	{	266	{
225	my (%hdr, $h, $v);	267	my (%hdr, $h, $v);
226		268
…		…
237		279
238	$self->{h}{$h} = substr $v, 1	280	$self->{h}{$h} = substr $v, 1
239	while ($h, $v) = each %hdr;	281	while ($h, $v) = each %hdr;
240	}	282	}
241		283
		284	# find out server name and port
		285	if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) {
		286	$host = $1;
		287	} else {
		288	$host = $self->{h}{host};
		289	}
		290
		291	if (defined $host) {
242	$self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80;	292	$self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80;
		293	} else {
		294	($self->{server_port}, $host)
		295	= unpack_sockaddr_in $self->{fh}->getsockname
		296	or $self->err(500, "unable to get socket name");
		297	$host = inet_ntoa $host;
		298	}
243		299
		300	$self->{server_name} = $host;
		301
		302	# remote id should be unique per user
		303	$self->{remote_id} = $self->{remote_addr};
		304
		305	if (exists $self->{h}{"client-ip"}) {
		306	$self->{remote_id} .= "[".$self->{h}{"client-ip"}."]";
		307	} elsif (exists $self->{h}{"x-forwarded-for"}) {
		308	$self->{remote_id} .= "[".$self->{h}{"x-forwarded-for"}."]";
		309	}
		310
244	weaken ($uri{$self->{uri}}{$self*1} = $self);	311	weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self);
245		312
		313	eval {
246	$self->map_uri;	314	$self->map_uri;
247	$self->respond;	315	$self->respond;
		316	};
		317
		318	$self->eoconn;
		319
		320	die if $@ && !ref $@;
		321
		322	last if $self->{h}{connection} =~ /close/ \|\| $self->{version} < 1.1;
		323
		324	$fh->timeout($::PER_TIMEOUT);
248	#}	325	}
249	}	326	}
250		327
251	# uri => path mapping	328	# uri => path mapping
252	sub map_uri {	329	sub map_uri {
253	my $self = shift;	330	my $self = shift;
254	my $host = $self->{h}{host} \|\| "default";	331	my $host = $self->{server_name};
255	my $uri = $self->{uri};	332	my $uri = $self->{uri};
256		333
257	# some massaging, also makes it more secure	334	# some massaging, also makes it more secure
258	$uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;	335	$uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge;
259	$uri =~ s%//+%/%g;	336	$uri =~ s%//+%/%g;
…		…
269	$self->{path} = "$::DOCROOT/$host$uri";	346	$self->{path} = "$::DOCROOT/$host$uri";
270		347
271	$self->access_check;	348	$self->access_check;
272	}	349	}
273		350
274	sub server_address {
275	my $self = shift;
276	my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname
277	or $self->err(500, "unable to get socket name");
278	((inet_ntoa $iaddr), $port);
279	}
280
281	sub server_host {
282	my $self = shift;
283	if (exists $self->{h}{host}) {
284	return $self->{h}{host};
285	} else {
286	return (($self->server_address)[0]);
287	}
288	}
289
290	sub server_hostport {
291	my $self = shift;
292	my ($host, $port);
293	if (exists $self->{h}{host}) {
294	($host, $port) = ($self->{h}{host}, $self->{server_port});
295	} else {
296	($host, $port) = $self->server_address;
297	}
298	$port = $port == 80 ? "" : ":$port";
299	$host.$port;
300	}
301
302	sub _cgi {	351	sub _cgi {
303	my $self = shift;	352	my $self = shift;
304	my $path = shift;	353	my $path = shift;
305	my $fh;	354	my $fh;
306		355
307	# no two-way xxx supported	356	# no two-way xxx supported
308	if (0 == fork) {	357	if (0 == fork) {
309	open STDOUT, ">&".fileno($self->{fh});	358	open STDOUT, ">&".fileno($self->{fh});
310	if (chdir $::DOCROOT) {	359	if (chdir $::DOCROOT) {
311	$ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike	360	$ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike
312	$ENV{HTTP_HOST} = $self->server_host;	361	$ENV{HTTP_HOST} = $self->{server_name};
313	$ENV{HTTP_PORT} = $self->{server_host};	362	$ENV{HTTP_PORT} = $self->{server_port};
314	$ENV{SCRIPT_NAME} = $self->{name};	363	$ENV{SCRIPT_NAME} = $self->{name};
315	exec $path;	364	exec $path;
316	}	365	}
317	Coro::State::_exit(0);	366	Coro::State::_exit(0);
318	} else {	367	} else {
		368	die;
319	}	369	}
		370	}
		371
		372	sub server_hostport {
		373	$_[0]{server_port} == 80
		374	? $_[0]{server_name}
		375	: "$_[0]{server_name}:$_[0]{server_port}";
320	}	376	}
321		377
322	sub respond {	378	sub respond {
323	my $self = shift;	379	my $self = shift;
324	my $path = $self->{path};	380	my $path = $self->{path};
…		…
334		390
335	if (-d _ && -r _) {	391	if (-d _ && -r _) {
336	# directory	392	# directory
337	if ($path !~ /\/$/) {	393	if ($path !~ /\/$/) {
338	# create a redirect to get the trailing "/"	394	# create a redirect to get the trailing "/"
339	my $host = $self->server_hostport;	395	# we don't try to avoid the :80
340	$self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" });	396	$self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" });
341	} else {	397	} else {
342	$ims < $self->{stat}[9]	398	$ims < $self->{stat}[9]
343	or $self->err(304, "not modified");	399	or $self->err(304, "not modified");
344		400
345	if ($self->{method} eq "GET") {
346	if (-r "$path/index.html") {	401	if (-r "$path/index.html") {
347	$self->{path} .= "/index.html";	402	$self->{path} .= "/index.html";
348	$self->handle_file;	403	$self->handle_file;
349	} else {	404	} else {
350	$self->handle_dir;	405	$self->handle_dir;
351	}
352	}	406	}
353	}	407	}
354	} elsif (-f _ && -r _) {	408	} elsif (-f _ && -r _) {
355	-x _ and $self->err(403, "forbidden");	409	-x _ and $self->err(403, "forbidden");
356	$self->handle_file;	410	$self->handle_file;
…		…
389	($l, $h) = ($1, ($2 ne "" \|\| $2 >= $length) ? $2 : $length - 1);	443	($l, $h) = ($1, ($2 ne "" \|\| $2 >= $length) ? $2 : $length - 1);
390	} else {	444	} else {
391	($l, $h) = (0, $length - 1);	445	($l, $h) = (0, $length - 1);
392	goto ignore;	446	goto ignore;
393	}	447	}
394	goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l;	448	goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l;
395	}	449	}
396	$hdr->{"Content-Range"} = "bytes */$length";	450	$hdr->{"Content-Range"} = "bytes */$length";
		451	$hdr->{"Content-Length"} = $length;
		452	$self->slog(9, "not satisfiable($self->{h}{range}\|".$self->{h}{"user-agent"}.")");
397	$self->err(416, "not satisfiable", $hdr);	453	$self->err(416, "not satisfiable", $hdr, "");
398		454
399	satisfiable:	455	satisfiable:
400	# check for segmented downloads	456	# check for segmented downloads
401	if ($l && $::NO_SEGMENTED) {	457	if ($l && $::NO_SEGMENTED) {
402	if (%{$uri{$self->{uri}}} > 1) {	458	my $delay = 180;
403	$self->slog("segmented download refused\n");	459	while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) {
404	$self->err(400, "segmented downloads are not allowed");	460	if ($delay <= 0) {
		461	$self->err_segmented_download;
		462	} else {
		463	Coro::Event::do_timer(after => 3); $delay -= 3;
		464	}
405	}	465	}
406	}	466	}
407		467
408	$hdr->{"Content-Range"} = "bytes $l-$h/$length";	468	$hdr->{"Content-Range"} = "bytes $l-$h/$length";
409	@code = (206, "partial content");	469	@code = (206, "partial content");
…		…
419	$hdr->{"Content-Length"} = $length;	479	$hdr->{"Content-Length"} = $length;
420		480
421	$self->response(@code, $hdr, "");	481	$self->response(@code, $hdr, "");
422		482
423	if ($self->{method} eq "GET") {	483	if ($self->{method} eq "GET") {
		484	$self->{time} = $::NOW;
		485
		486	my $transfer = $::transfers->guard;
		487	$self->{fh}->writable or return;
		488
		489	push @::wait_time, $::NOW - $self->{time};
		490	shift @::wait_time if @wait_time > 25;
		491	$self->{time} = $::NOW;
		492
424	my ($fh, $buf);	493	my ($fh, $buf, $r);
		494	my $current = $Coro::current;
425	open $fh, "<", $self->{path}	495	open $fh, "<", $self->{path}
426	or die "$self->{path}: late open failure ($!)";	496	or die "$self->{path}: late open failure ($!)";
427		497
428	if ($l) {
429	sysseek $fh, $l, 0
430	or die "$self->{path}: cannot seek to $l ($!)";
431	}
432
433	$h -= $l - 1;	498	$h -= $l - 1;
434		499
		500	if (0) {
		501	if ($l) {
		502	sysseek $fh, $l, 0;
		503	}
		504	}
		505
435	while ($h > 0) {	506	while ($h > 0) {
		507	if (0) {
436	$h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h;	508	sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h
		509	or last;
		510	} else {
		511	undef $buf;
		512	$aio_requests->down;
		513	aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h),
		514	$buf, 0, sub {
		515	$r = $_[0];
		516	$current->ready;
		517	});
		518	&Coro::schedule;
		519	$aio_requests->up;
		520	last unless $r;
		521	}
437	$self->{fh}->syswrite($buf)	522	my $w = $self->{fh}->syswrite($buf)
438	or last;	523	or last;
		524	$::written += $w;
		525	$self->{written} += $w;
		526	$l += $r;
439	}	527	}
440	}
441		528
442	close $fh;	529	close $fh;
		530	}
443	}	531	}
444		532
445	1;	533	1;

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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents): Revision 1.10 by root, Sat Aug 11 16:34:47 2001 UTC vs. Revision 1.32 by root, Wed Aug 29 01:32:50 2001 UTC

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Comparing cvsroot/Coro/myhttpd/httpd.pl (file contents):
Revision 1.10 by root, Sat Aug 11 16:34:47 2001 UTC vs.
Revision 1.32 by root, Wed Aug 29 01:32:50 2001 UTC