static void udpreceive_free(t_udpreceive *x)
{
iemnet__receiver_destroy(x->x_receiver);
x->x_connectsocket=0;
outlet_free(x->x_msgout);
outlet_free(x->x_addrout);
outlet_free(x->x_statout);
if(x->x_floatlist)iemnet__floatlist_destroy(x->x_floatlist);x->x_floatlist=NULL;
}
static void udpclient_disconnect(t_udpclient *x)
{
if (x->x_fd >= 0)
{
DEBUG("disconnect %x %x", x->x_sender, x->x_receiver);
if(x->x_receiver)iemnet__receiver_destroy(x->x_receiver); x->x_receiver=NULL;
if(x->x_sender)iemnet__sender_destroy(x->x_sender); x->x_sender=NULL;
sys_closesocket(x->x_fd);
x->x_fd = -1;
x->x_connectstate = 0;
outlet_float(x->x_connectout, 0);
}
else pd_error(x, "[%s] not connected", objName);
}
static void tcpclient_disconnect(t_tcpclient *x)
{
if (x->x_fd >= 0)
{
int fd=x->x_fd;
x->x_fd = -1;
DEBUG("disconnecting %x", x);
if(x->x_sender)iemnet__sender_destroy(x->x_sender); x->x_sender=NULL;
if(x->x_receiver)iemnet__receiver_destroy(x->x_receiver); x->x_receiver=NULL;
DEBUG("disconnect cleaning up %x", x);
sys_closesocket(fd);
x->x_connectstate = 0;
outlet_float(x->x_connectout, 0);
}
else pd_error(x, "%s: not connected", objName);
}
static void udpreceive_port(t_udpreceive*x, t_floatarg fportno)
{
static t_atom ap[1];
int portno = fportno;
struct sockaddr_in server;
socklen_t serversize=sizeof(server);
int sockfd = x->x_connectsocket;
int intarg;
SETFLOAT(ap, -1);
if(x->x_port == portno) {
return;
}
/* cleanup any open ports */
if(sockfd>=0) {
iemnet__receiver_destroy(x->x_receiver);
x->x_connectsocket=-1;
x->x_port=-1;
}
sockfd = socket(AF_INET, SOCK_DGRAM, 0);
if(sockfd<0) {
error("[%s]: unable to create socket", objName);
return;
}
/* ask OS to allow another Pd to reopen this port after we close it. */
#ifdef SO_REUSEADDR
intarg = 1;
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR,
(char *)&intarg, sizeof(intarg))
< 0) {
error("[%s]: setsockopt (SO_REUSEADDR) failed", objName);
}
#endif /* SO_REUSEADDR */
#ifdef SO_REUSEPORT
intarg = 1;
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEPORT,
(char *)&intarg, sizeof(intarg))
< 0) {
error("[%s]: setsockopt (SO_REUSEPORT) failed", objName);
}
#endif /* SO_REUSEPORT */
server.sin_family = AF_INET;
server.sin_addr.s_addr = INADDR_ANY;
server.sin_port = htons((u_short)portno);
/* name the socket */
if (bind(sockfd, (struct sockaddr *)&server, serversize) < 0)
{
sys_sockerror("[udpreceive] bind failed");
sys_closesocket(sockfd);
sockfd = -1;
outlet_anything(x->x_statout, gensym("port"), 1, ap);
return;
}
x->x_connectsocket = sockfd;
x->x_port = portno;
// find out which port is actually used (useful when assigning "0")
if(!getsockname(sockfd, (struct sockaddr *)&server, &serversize)) {
x->x_port=ntohs(server.sin_port);
}
x->x_receiver=iemnet__receiver_create(sockfd,
x,
udpreceive_read_callback);
SETFLOAT(ap, x->x_port);
outlet_anything(x->x_statout, gensym("port"), 1, ap);
}
static int udpreceive_setport(t_udpreceive*x, unsigned short portno)
{
struct sockaddr_in server;
socklen_t serversize=sizeof(server);
int sockfd = x->x_connectsocket;
int intarg;
memset(&server, 0, sizeof(server));
if(x->x_port == portno) {
return 1;
}
/* cleanup any open ports */
if(sockfd>=0) {
iemnet__receiver_destroy(x->x_receiver, 0);
x->x_connectsocket=-1;
x->x_port=-1;
}
sockfd = socket(AF_INET, SOCK_DGRAM, 0);
if(sockfd<0) {
pd_error(x, "[%s]: unable to create socket", objName);
return 0;
}
/* ask OS to allow another Pd to reopen this port after we close it. */
#ifdef SO_REUSEADDR
if(x->x_reuseaddr) {
intarg = 1;
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR,
(void *)&intarg, sizeof(intarg))
< 0) {
pd_error(x, "[%s]: setsockopt (SO_REUSEADDR) failed", objName);
}
}
#endif /* SO_REUSEADDR */
#ifdef SO_REUSEPORT
if(x->x_reuseport) {
intarg = 1;
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEPORT,
(void *)&intarg, sizeof(intarg))
< 0) {
pd_error(x, "[%s]: setsockopt (SO_REUSEPORT) failed", objName);
}
}
#endif /* SO_REUSEPORT */
server.sin_family = AF_INET;
server.sin_addr.s_addr = INADDR_ANY;
server.sin_port = htons((u_short)portno);
/* name the socket */
if (bind(sockfd, (struct sockaddr *)&server, serversize) < 0)
{
sys_sockerror("[udpreceive] bind failed");
sys_closesocket(sockfd);
sockfd = -1;
return 0;
}
x->x_connectsocket = sockfd;
x->x_port = portno;
// find out which port is actually used (useful when assigning "0")
if(!getsockname(sockfd, (struct sockaddr *)&server, &serversize)) {
x->x_port=ntohs(server.sin_port);
}
x->x_receiver=iemnet__receiver_create(sockfd,
x,
udpreceive_read_callback,
0);
return 1;
}