1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
#!/usr/bin/perl
# getskyepg.pl: Get EPG data from Sky's web pages
#
# Connects to a running VDR instance via SVDRP, gets the channel data
# for the Sky channels and connects to Sky's web pages to extract the
# EPG data for these channels. The result is sent to VDR via SVDRP.
#
# See the README file for copyright information and how to reach the author.
#
# $Id: getskyepg.pl 1.2 2003/04/02 16:21:47 kls Exp $
use Getopt::Std;
use Time::Local;
$Usage = qq{
Usage: $0 [options]
Options: -d hostname destination hostname (default: localhost)
-p port SVDRP port number (default: 2001)
-S source channel source (default: S28.2E)
-D days days to get EPG for (1..7, default: 2)
};
die $Usage if (!getopts("d:D:hp:S:") || $opt_h);
$Dest = $opt_d || "localhost";
$Port = $opt_p || 2001;
$Source = $opt_S || "S28.2E";
$Days = $opt_D || 2;
$SkyWebPage = "www.ananova.com/tv/frontpage.html";
$WGET = "/usr/bin/wget -q -O-";
$LOGGER = "/usr/bin/logger -t SKYEPG";
$DST = -3600; ##XXX TODO find out whether DST is active!
$SecsInDay = 86400;
$MaxFrequency = 1000;
$idxName = 0;
$idxFrequency = 1;
$idxSource = 3;
$idxSid = 9;
Error("days out of range: $Days") unless (1 <= $Days && $Days <= 7);
sub Log
{
system("$LOGGER '@_'");
}
sub Error
{
Log(@_);
die "$0: @_\n";
}
sub GetChannels
{
SVDRPsend("LSTC");
my @channels = ();
for (SVDRPreceive(250)) {
my @a = split(':', substr($_, 4));
if ($a[$idxSource] eq $Source && $a[$idxFrequency] < $MaxFrequency) {
push(@channels, [@a]);
}
}
return @channels;
}
sub GetPage
{
my $channel = shift;
my $day = shift;
my $url = "$SkyWebPage?c=$channel&day=day$day";
Log("reading $url");
my @page = split("\n", `$WGET '$url'`);
Log("received " . ($#page + 1) . " lines");
return @page;
}
# In order to get the duration we need to buffer the last event:
$Id = "";
$Time = 0;
$Title = "";
$Episode = "";
$Descr = "";
sub GetEpgData
{
my ($channel, $channelID) = @_;
my $numEvents = 0;
SVDRPsend("C $channelID");
$Time = 0;
for $day (1 .. $Days) {
my $dt = 0;
my $ap = "";
my @page = GetPage($channel, $day);
for $line (@page) {
if ($line =~ /^<\/tr><tr /) {
# extract information:
my ($time, $title, $episode, $descr) = ($line =~ /^.*?<b>(.*?)<\/b>.*?<b>(.*?)<\/b> *(<i>.*?<\/i>)? *(.*?) *<\/small>/);
my ($h, $m, $a) = ($time =~ /([0-9]+)\.([0-9]+)(.)m/);
# handle am/pm:
$dt = $SecsInDay if ($ap eq "p" && $a eq "a");
$ap = $a;
$h += 12 if ($a eq "p" && $h < 12);
$h -= 12 if ($a eq "a" && $h == 12);
# convert to time_t:
my @gmt = gmtime;
$gmt[0] = 0; # seconds
$gmt[1] = $m; # minutes
$gmt[2] = $h; # hours
$time = timegm(@gmt) + ($day - 1) * $SecsInDay + $dt + $DST;
# create EPG data:
if ($Time) {
$duration = $time - $Time;
SVDRPsend("E $Id $Time $duration");
SVDRPsend("T $Title");
SVDRPsend("S $Episode");
SVDRPsend("D $Descr");
SVDRPsend("e");
$numEvents++;
}
# buffer the last event:
$Id = $time / 60 % 0xFFFF; # this gives us unique ids for every minute of over 6 weeks
$Time = $time;
($Title = $title) =~ s/<[^>]+>//g;
($Episode = $episode) =~ s/<[^>]+>//g;
($Descr = $descr) =~ s/<[^>]+>//g;
}
}
}
SVDRPsend("c");
Log("generated $numEvents EPG events");
}
sub ProcessEpg
{
Log("getting Sky channel definitions");
my @channels = GetChannels();
Error("no Sky channels found") unless @channels;
Log("found " . ($#channels + 1) . " channels");
for (@channels) {
my $channel = @$_[$idxSid];
my $channelID = "@$_[$idxSource]-0-@$_[$idxFrequency]-$channel";
Log("processing channel @$_[0]");
SVDRPsend("PUTE");
SVDRPreceive(354);
GetEpgData($channel, $channelID);
SVDRPsend(".");
SVDRPreceive(250);
}
Log("done");
}
#---------------------------------------------------------------------------
# TODO: make this a Perl module??? What about Error()???
use Socket;
$Timeout = 300; # max. seconds to wait for response
$SIG{ALRM} = sub { Error("timeout"); };
alarm($Timeout);
$iaddr = inet_aton($Dest) || Error("no host: $Dest");
$paddr = sockaddr_in($Port, $iaddr);
$proto = getprotobyname('tcp');
socket(SOCK, PF_INET, SOCK_STREAM, $proto) || Error("socket: $!");
connect(SOCK, $paddr) || Error("connect: $!");
select(SOCK); $| = 1;
SVDRPreceive(220);
ProcessEpg();
SVDRPsend("QUIT");
sub SVDRPsend
{
my $s = shift;
print SOCK "$s\r\n";
}
sub SVDRPreceive
{
my $expect = shift | 0;
my @a = ();
while (<SOCK>) {
s/\s*$//; # 'chomp' wouldn't work with "\r\n"
push(@a, $_);
if (substr($_, 3, 1) ne "-") {
my $code = substr($_, 0, 3);
Error("expected SVDRP code $expect, but received $code") if ($code != $expect);
last;
}
}
return @a;
}
#---------------------------------------------------------------------------
|
