1--TEST--
2Multicast support: IPv4 receive options
3--EXTENSIONS--
4sockets
5--SKIPIF--
6<?php
7
8if (getenv('SKIP_ONLINE_TESTS')) die('skip online test');
9$s = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
10$br = socket_bind($s, '0.0.0.0', 0);
11$so = @socket_set_option($s, IPPROTO_IP, MCAST_JOIN_GROUP, array(
12    "group"	=> '224.0.0.23',
13    "interface" => 'lo',
14));
15if ($so === false) {
16    die('skip interface \'lo\' is unavailable.');
17}
18if (!defined("MCAST_BLOCK_SOURCE")) {
19    die('skip source operations are unavailable');
20}
21?>
22--FILE--
23<?php
24include __DIR__."/mcast_helpers.php.inc";
25$domain = AF_INET;
26$level = IPPROTO_IP;
27$interface = "lo";
28$mcastaddr = '224.0.0.23';
29$sblock = "127.0.0.1";
30
31echo "creating send socket bound to 127.0.0.1\n";
32$sends1 = socket_create($domain, SOCK_DGRAM, SOL_UDP);
33$br = socket_bind($sends1, '127.0.0.1');
34var_dump($br);
35
36echo "creating unbound socket and hoping the routing table causes an interface other than lo to be used for sending messages to $mcastaddr\n";
37$sends2 = socket_create($domain, SOCK_DGRAM, SOL_UDP);
38var_dump($br);
39
40echo "creating receive socket\n";
41$s = socket_create($domain, SOCK_DGRAM, SOL_UDP);
42var_dump($s);
43$br = socket_bind($s, '0.0.0.0', 0);
44socket_getsockname($s, $unused, $port);
45var_dump($br);
46
47$so = socket_set_option($s, $level, MCAST_JOIN_GROUP, array(
48    "group"	=> $mcastaddr,
49    "interface" => $interface,
50));
51var_dump($so);
52
53$r = socket_sendto($sends1, $m = "initial packet", strlen($m), 0, $mcastaddr, $port);
54var_dump($r);
55
56$i = 0;
57checktimeout($s, 500);
58while (($str = socket_read($s, 3000)) !== FALSE) {
59    $i++;
60    echo "$i> ", $str, "\n";
61
62if ($i == 1) {
63    echo "leaving group\n";
64    $so = socket_set_option($s, $level, MCAST_LEAVE_GROUP, array(
65        "group"	=> $mcastaddr,
66        "interface" => $interface,
67    ));
68    var_dump($so);
69    $r = socket_sendto($sends1, $m = "ignored mcast packet", strlen($m), 0, $mcastaddr, $port);
70    var_dump($r);
71    $r = socket_sendto($sends1, $m = "unicast packet", strlen($m), 0, "127.0.0.1", $port);
72    var_dump($r);
73}
74if ($i == 2) {
75    echo "re-joining group\n";
76    $so = socket_set_option($s, $level, MCAST_JOIN_GROUP, array(
77        "group"	=> $mcastaddr,
78        "interface" => $interface,
79    ));
80    var_dump($so);
81    $r = socket_sendto($sends2, $m = "ignored mcast packet (different interface)", strlen($m), 0, $mcastaddr, $port);
82    var_dump($r);
83    $r = socket_sendto($sends1, $m = "mcast packet", strlen($m), 0, $mcastaddr, $port);
84    var_dump($r);
85}
86if ($i == 3) {
87    echo "blocking source\n";
88    $so = socket_set_option($s, $level, MCAST_BLOCK_SOURCE, array(
89        "group"	=> $mcastaddr,
90        "interface" => $interface,
91        "source" => $sblock,
92    ));
93    var_dump($so);
94    $r = socket_sendto($sends1, $m = "ignored packet (blocked source)", strlen($m), 0, $mcastaddr, $port);
95    var_dump($r);
96    $r = socket_sendto($sends1, $m = "unicast packet", strlen($m), 0, "127.0.0.1", $port);
97    var_dump($r);
98}
99if ($i == 4) {
100    echo "unblocking source\n";
101    $so = socket_set_option($s, $level, MCAST_UNBLOCK_SOURCE, array(
102        "group"	=> $mcastaddr,
103        "interface" => $interface,
104        "source" => $sblock,
105    ));
106    var_dump($so);
107    $r = socket_sendto($sends1, $m = "mcast packet from 127.0.0.1", strlen($m), 0, $mcastaddr, $port);
108    var_dump($r);
109}
110if ($i == 5) {
111    echo "leaving group\n";
112    $so = socket_set_option($s, $level, MCAST_LEAVE_GROUP, array(
113        "group"	=> $mcastaddr,
114        "interface" => $interface,
115    ));
116    var_dump($so);
117    $r = socket_sendto($sends1, $m = "ignored mcast packet", strlen($m), 0, $mcastaddr, $port);
118    var_dump($r);
119    $r = socket_sendto($sends1, $m = "unicast packet", strlen($m), 0, "127.0.0.1", $port);
120    var_dump($r);
121}
122if ($i == 6) {
123    echo "joining source group\n";
124    $so = socket_set_option($s, $level, MCAST_JOIN_SOURCE_GROUP, array(
125        "group"	=> $mcastaddr,
126        "interface" => $interface,
127        "source" => $sblock,
128    ));
129    var_dump($so);
130    $r = socket_sendto($sends1, $m = "mcast packet from 127.0.0.1", strlen($m), 0, $mcastaddr, $port);
131    var_dump($r);
132}
133if ($i == 7) {
134    echo "leaving source group\n";
135    $so = socket_set_option($s, $level, MCAST_LEAVE_SOURCE_GROUP, array(
136        "group"	=> $mcastaddr,
137        "interface" => $interface,
138        "source" => $sblock,
139    ));
140    var_dump($so);
141    $r = socket_sendto($sends1, $m = "ignored mcast packet", strlen($m), 0, $mcastaddr, $port);
142    var_dump($r);
143    $r = socket_sendto($sends1, $m = "unicast packet", strlen($m), 0, "127.0.0.1", $port);
144    var_dump($r);
145}
146if ($i == 8) {
147/*	echo "rjsg\n";
148    $so = socket_set_option($s, $level, MCAST_JOIN_GROUP, array(
149        "group"	=> $mcastaddr,
150        "interface" => $interface,
151    ));
152    var_dump($so);*/
153    break;
154}
155
156}
157?>
158--EXPECTF--
159creating send socket bound to 127.0.0.1
160bool(true)
161creating unbound socket and hoping the routing table causes an interface other than lo to be used for sending messages to 224.0.0.23
162bool(true)
163creating receive socket
164object(Socket)#%d (0) {
165}
166bool(true)
167bool(true)
168int(14)
1691> initial packet
170leaving group
171bool(true)
172int(20)
173int(14)
1742> unicast packet
175re-joining group
176bool(true)
177int(42)
178int(12)
1793> mcast packet
180blocking source
181bool(true)
182int(31)
183int(14)
1844> unicast packet
185unblocking source
186bool(true)
187int(27)
1885> mcast packet from 127.0.0.1
189leaving group
190bool(true)
191int(20)
192int(14)
1936> unicast packet
194joining source group
195bool(true)
196int(27)
1977> mcast packet from 127.0.0.1
198leaving source group
199bool(true)
200int(20)
201int(14)
2028> unicast packet
203