1 # main-announcer.tcl --
2 #
3 # FIXME: This file needs a description here.
4 #
5 # Copyright (c) 1998-2002 The Regents of the University of California.
6 # All rights reserved.
7 #
8 # Redistribution and use in source and binary forms, with or without
9 # modification, are permitted provided that the following conditions are met:
10 #
11 # A. Redistributions of source code must retain the above copyright notice,
12 # this list of conditions and the following disclaimer.
13 # B. Redistributions in binary form must reproduce the above copyright notice,
14 # this list of conditions and the following disclaimer in the documentation
15 # and/or other materials provided with the distribution.
16 # C. Neither the names of the copyright holders nor the names of its
17 # contributors may be used to endorse or promote products derived from this
18 # software without specific prior written permission.
19 #
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
21 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
24 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31
32 import Application ScopeZone SDPParser SAPAnnouncer Program
33
34 #
35 Class SDAnnouncerApplication -superclass Application
36
37 #
38 SDAnnouncerApplication public init argv {
39 $self next sdannouncer
40
41 set o [$self options]
42 set args [$o parse_args $argv]
43
44 set l [llength $args]
45 if {$l<1 || $l>2} {
46 $self usage
47 exit 1
48 }
49
50 eval $self init_announcer $args
51 }
52
53 #
54 SDAnnouncerApplication private init_announcer {file {range "224.2.128.0/17"}} {
55 $self instvar scope_ announcer_
56
57 set scope_ [new ScopeZone $range]
58 set announcer_ [new SAPAnnouncer $scope_]
59
60 if [catch {set fp [open $file r]} m] {
61 $self fatal "Cannot open file $file: $m"
62 }
63 set sdp [read $fp]
64 close $fp
65
66 set p [new SDPParser]
67 set msg [$p parse $sdp]
68 if {$msg == ""} {
69 $self fatal "SDP Parser Error: [$p parse_error]"
70 }
71 delete $p
72
73 set prog [new Program $msg]
74
75 $announcer_ addprog $self $prog
76 }
77
78 new SDAnnouncerApplication $argv
79 vwait forever
80
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