diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/udpsend-help.pd | 60 | ||||
| -rw-r--r-- | net/udpsend.c | 20 |
2 files changed, 53 insertions, 27 deletions
diff --git a/net/udpsend-help.pd b/net/udpsend-help.pd index 7401fa5..f26795a 100644 --- a/net/udpsend-help.pd +++ b/net/udpsend-help.pd @@ -1,34 +1,40 @@ -#N canvas 304 215 898 550 12; -#X msg 268 188 disconnect; -#X msg 87 7 connect 127.0.0.1 9997; +#N canvas 355 70 898 550 12; +#X msg 198 118 disconnect; +#X msg 17 -63 connect 127.0.0.1 9997; #X obj 405 368 tgl 15 0 empty empty connected 20 7 0 8 -24198 -241291 --1 0 1; -#X msg 109 29 send 0 1 2 3; +-1 1 1; +#X msg 39 -41 send 0 1 2 3; #X text 100 345 udpsend sends bytes over a udp connection.; #X text 177 395 Used in conjunction with packOSC will send OSC over udp; #X obj 405 345 udpsend; -#X msg 131 51 send ../doc/5.reference/test.txt; -#X obj 201 97 openpanel; -#X msg 201 121 send \$1; -#X obj 201 78 bng 15 250 50 0 empty empty empty 17 7 0 10 -24198 -241291 +#X msg 61 -19 send ../doc/5.reference/test.txt; +#X obj 131 27 openpanel; +#X msg 131 51 send \$1; +#X obj 131 8 bng 15 250 50 0 empty empty empty 17 7 0 10 -24198 -241291 -1; -#X text 42 52 send a file; -#X text 207 28 send raw data; -#X text 221 77 ...any file; -#X msg 234 154 99 98 97; -#X text 299 154 'send' prefix is optional; -#X msg 371 291 multicast_interface 192.168.0.88; -#X msg 346 266 multicast_interface eth1; -#X msg 298 218 connect 239.200.200.200 9977; -#X text 595 358 Martin Peach 2010/07/30; -#X text 251 6 <--first connect to a host and port; -#X text 349 187 <--disconnect before connecting to another address +#X text -28 -18 send a file; +#X text 137 -42 send raw data; +#X text 151 7 ...any file; +#X msg 164 84 99 98 97; +#X text 229 84 'send' prefix is optional; +#X msg 301 221 multicast_interface 192.168.0.88; +#X msg 276 196 multicast_interface eth1; +#X msg 228 148 connect 239.200.200.200 9977; +#X text 181 -64 <--first connect to a host and port; +#X text 279 117 <--disconnect before connecting to another address ; -#X text 509 217 send to a multicast address; -#X text 481 242 specify an interface to use with multicast; -#X msg 323 243 multicast_interface 1; -#X text 531 265 by index \, name or address; +#X text 439 147 send to a multicast address; +#X text 411 172 specify an interface to use with multicast; +#X msg 253 173 multicast_interface 1; +#X text 461 195 by index \, name or address; +#X floatatom 393 246 5 0 256 0 - - -; +#X obj 375 269 f 1; +#X obj 375 249 bng 15 250 50 0 empty empty empty 17 7 0 10 -4034 -1 +-1; +#X text 240 270 set multicast ttl:; +#X msg 375 295 multicast_ttl \$1; +#X text 595 358 Martin Peach 2010/08/02; #X connect 0 0 6 0; #X connect 1 0 6 0; #X connect 3 0 6 0; @@ -41,4 +47,8 @@ udp; #X connect 16 0 6 0; #X connect 17 0 6 0; #X connect 18 0 6 0; -#X connect 24 0 6 0; +#X connect 23 0 6 0; +#X connect 25 0 26 1; +#X connect 26 0 29 0; +#X connect 27 0 26 0; +#X connect 29 0 6 0; diff --git a/net/udpsend.c b/net/udpsend.c index e4117c2..33d2d04 100644 --- a/net/udpsend.c +++ b/net/udpsend.c @@ -27,8 +27,9 @@ static t_class *udpsend_class; typedef struct _udpsend { - t_object x_obj; - int x_fd; + t_object x_obj; + int x_fd; /* the socket */ + unsigned int x_multicast_ttl; /* time to live for multicast */ } t_udpsend; void udpsend_setup(void); @@ -36,6 +37,7 @@ static void udpsend_free(t_udpsend *x); static void udpsend_send(t_udpsend *x, t_symbol *s, int argc, t_atom *argv); static void udpsend_disconnect(t_udpsend *x); static void udpsend_connect(t_udpsend *x, t_symbol *hostname, t_floatarg fportno); +static void udpsend_set_multicast_ttl(t_udpsend *x, t_floatarg ttl_hops); static void udpsend_set_multicast_interface (t_udpsend *x, t_symbol *s, int argc, t_atom *argv); static void *udpsend_new(void); @@ -108,6 +110,19 @@ Enable sending of broadcast messages (if hostname is a broadcast address)*/ outlet_float(x->x_obj.ob_outlet, 1); } +static void udpsend_set_multicast_ttl(t_udpsend *x, t_floatarg ttl_hops) +{ + int sockfd = x->x_fd; + unsigned char multicast_ttl = ttl_hops; + unsigned int size; + + if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, + &multicast_ttl, sizeof(multicast_ttl)) < 0) + error("udpsend: setsockopt (IP_MULTICAST_LOOP) failed"); + getsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &multicast_ttl, &size); + x->x_multicast_ttl = multicast_ttl; +} + static void udpsend_set_multicast_interface (t_udpsend *x, t_symbol *s, int argc, t_atom *argv) { #ifdef _WIN32 @@ -333,6 +348,7 @@ void udpsend_setup(void) sizeof(t_udpsend), 0, 0); class_addmethod(udpsend_class, (t_method)udpsend_connect, gensym("connect"), A_SYMBOL, A_FLOAT, 0); + class_addmethod(udpsend_class, (t_method)udpsend_set_multicast_ttl, gensym("multicast_ttl"), A_DEFFLOAT, 0); class_addmethod(udpsend_class, (t_method)udpsend_set_multicast_interface, gensym("multicast_interface"), A_GIMME, 0); class_addmethod(udpsend_class, (t_method)udpsend_disconnect, |