int lo_server_join_multicast_group(lo_server s, const char *group)
{
struct ip_mreq mreq;
unsigned int yes = 1;
memset(&mreq, 0, sizeof(mreq));
#ifdef HAVE_INET_ATON
if (inet_aton(group, &mreq.imr_multiaddr)==0) {
int err = geterror();
lo_throw(s, err, strerror(err), "inet_aton()");
lo_server_free(s);
return err;
}
#else
mreq.imr_multiaddr.s_addr = inet_addr(group);
if (mreq.imr_multiaddr.s_addr == INADDR_ANY
|| mreq.imr_multiaddr.s_addr == INADDR_NONE)
{
int err = geterror();
lo_throw(s, err, strerror(err), "inet_addr()");
lo_server_free(s);
return err;
}
#endif
mreq.imr_interface.s_addr=htonl(INADDR_ANY);
if (setsockopt(s->sockets[0].fd,IPPROTO_IP,IP_ADD_MEMBERSHIP,
&mreq,sizeof(mreq)) < 0)
{
int err = geterror();
lo_throw(s, err, strerror(err), "setsockopt(IP_ADD_MEMBERSHIP)");
lo_server_free(s);
return err;
}
if (setsockopt(s->sockets[0].fd,SOL_SOCKET,SO_REUSEADDR,
&yes,sizeof(yes)) < 0)
{
int err = geterror();
lo_throw(s, err, strerror(err), "setsockopt(SO_REUSEADDR)");
lo_server_free(s);
return err;
}
#ifdef SO_REUSEPORT
if (setsockopt(s->sockets[0].fd,SOL_SOCKET,SO_REUSEPORT,
&yes,sizeof(yes)) < 0)
{
int err = geterror();
lo_throw(s, err, strerror(err), "setsockopt(SO_REUSEPORT)");
lo_server_free(s);
return err;
}
#endif
return 0;
}
static int dispatch_queued(lo_server s)
{
char *path, *types, *data;
queued_msg_list *head = s->queued;
queued_msg_list *tailhead;
lo_timetag disp_time;
if (!head) {
lo_throw(s, LO_INT_ERR, "attempted to dispatch with empty queue",
"timeout");
return 1;
}
disp_time = head->ts;
do {
tailhead = head->next;
path = ((queued_msg_list *)s->queued)->data;
types = path + lo_strsize(path) + 1;
data = types + lo_strsize(types);
dispatch_method(s, path, types, data);
free(((queued_msg_list *)s->queued)->data);
free((queued_msg_list *)s->queued);
s->queued = tailhead;
head = tailhead;
} while (head && lo_timetag_diff(head->ts, disp_time) < FLT_EPSILON);
return 0;
}
static int dispatch_queued(lo_server s)
{
queued_msg_list *head = s->queued;
queued_msg_list *tailhead;
lo_timetag disp_time;
if (!head) {
lo_throw(s, LO_INT_ERR, "attempted to dispatch with empty queue",
"timeout");
return 1;
}
disp_time = head->ts;
do {
char *path;
lo_message msg;
tailhead = head->next;
path = ((queued_msg_list *)s->queued)->path;
msg = ((queued_msg_list *)s->queued)->msg;
dispatch_method(s, path, msg);
free(path);
lo_message_free(msg);
free((queued_msg_list *)s->queued);
s->queued = tailhead;
head = tailhead;
} while (head && lo_timetag_diff(head->ts, disp_time) < FLT_EPSILON);
return 0;
}
static void lo_address_resolve_source(lo_address a)
{
char hostname[LO_HOST_SIZE];
char portname[32];
int err;
lo_server s = a->source_server;
if (a->protocol == LO_UDP && s && s->addr_len > 0)
{
err = getnameinfo((struct sockaddr *) &s->addr, s->addr_len,
hostname, sizeof(hostname),
portname, sizeof(portname),
NI_NUMERICHOST | NI_NUMERICSERV);
if (err) {
switch (err) {
case EAI_AGAIN:
lo_throw(s, err, "Try again", a->source_path);
break;
case EAI_BADFLAGS:
lo_throw(s, err, "Bad flags", a->source_path);
break;
case EAI_FAIL:
lo_throw(s, err, "Failed", a->source_path);
break;
case EAI_FAMILY:
lo_throw(s, err, "Cannot resolve address family",
a->source_path);
break;
case EAI_MEMORY:
lo_throw(s, err, "Out of memory", a->source_path);
break;
case EAI_NONAME:
lo_throw(s, err, "Cannot resolve", a->source_path);
break;
#if !defined(WIN32) && !defined(_MSC_VER)
case EAI_SYSTEM:
lo_throw(s, err, strerror(err), a->source_path);
break;
#endif
default:
lo_throw(s, err, "Unknown error", a->source_path);
break;
}
return;
}
a->host = strdup(hostname);
a->port = strdup(portname);
} else {
a->host = strdup("");
a->port = strdup("");
}
}
void *lo_server_recv_raw_stream(lo_server s, size_t *size)
{
struct sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
char buffer[LO_MAX_MSG_SIZE];
int32_t read_size;
int ret;
void *data = NULL;
int sock;
#ifdef WIN32
if(!initWSock()) return NULL;
fd_set ps;
FD_ZERO(&ps);
FD_SET(s->socket,&ps);
if(select(1,&ps,NULL,NULL,NULL) == SOCKET_ERROR)
return NULL;
#else
struct pollfd ps;
ps.fd = s->socket;
ps.events = POLLIN | POLLPRI;
ps.revents = 0;
poll(&ps, 1, -1);
#endif
sock = accept(s->socket, (struct sockaddr *)&addr, &addr_len);
ret = recv(sock, &read_size, sizeof(read_size), 0);
read_size = ntohl(read_size);
if (read_size > LO_MAX_MSG_SIZE) {
close(sock);
lo_throw(s, LO_TOOBIG, "Message too large", "recv()");
return NULL;
}
ret = recv(sock, buffer, read_size, 0);
//close(sock);
if (ret <= 0) {
return NULL;
}
data = malloc(ret);
memcpy(data, buffer, ret);
if (size) *size = ret;
return data;
}
static void dispatch_method(lo_server s, const char *path, char *types,
void *data)
{
int argc = strlen(types);
lo_arg **argv = NULL;
lo_method it;
int ret = 1;
int err;
int endian_fixed = 0;
int pattern = strpbrk(path, " #*,?[]{}") != NULL;
lo_message msg = lo_message_new();
lo_address src = lo_address_new(NULL, NULL);
char hostname[LO_HOST_SIZE];
char portname[32];
const char *pptr;
free(msg->types);
msg->types = types;
msg->typelen = strlen(types);
msg->typesize = 0;
msg->data = data;
msg->datalen = 0;
msg->datasize = 0;
msg->source = src;
//inet_ntop(s->addr.ss_family, &s->addr.padding, hostname, sizeof(hostname));
if (s->protocol == LO_UDP) {
err = getnameinfo((struct sockaddr *)&s->addr, sizeof(s->addr),
hostname, sizeof(hostname), portname, sizeof(portname),
NI_NUMERICHOST | NI_NUMERICSERV);
if (err) {
switch (err) {
case EAI_AGAIN:
lo_throw(s, err, "Try again", path);
break;
case EAI_BADFLAGS:
lo_throw(s, err, "Bad flags", path);
break;
case EAI_FAIL:
lo_throw(s, err, "Failed", path);
break;
case EAI_FAMILY:
lo_throw(s, err, "Cannot resolve address family", path);
break;
case EAI_MEMORY:
lo_throw(s, err, "Out of memory", path);
break;
case EAI_NONAME:
lo_throw(s, err, "Cannot resolve", path);
break;
#ifndef WIN32
case EAI_SYSTEM:
lo_throw(s, err, strerror(err), path);
break;
#endif
default:
lo_throw(s, err, "Unknown error", path);
break;
}
return;
}
} else {
hostname[0] = '\0';
portname[0] = '\0';
}
free(src->host);
free(src->port);
src->host = hostname;
src->port = portname;
src->proto = s->protocol;
for (it = s->first; it; it = it->next) {
/* If paths match or handler is wildcard */
if (!it->path || !strcmp(path, it->path) ||
(pattern && lo_pattern_match(it->path, path))) {
/* If types match or handler is wildcard */
if (!it->typespec || !strcmp(types, it->typespec)) {
if (!argv && *types) {
int i;
char *ptr = types - 1 + lo_strsize(types - 1);
argv = calloc(argc + 1, sizeof(lo_arg *));
if (!endian_fixed) {
for (i=0; i<argc; i++) {
argv[i] = (lo_arg *)ptr;
lo_arg_host_endian(types[i], ptr);
ptr += lo_arg_size(types[i], ptr);
}
endian_fixed = 1;
}
}
/* Send wildcard path to generic handler, expanded path
to others.
*/
pptr = path;
if (it->path) pptr = it->path;
ret = it->handler(pptr, types, argv, argc, msg,
it->user_data);
} else if (lo_can_coerce_spec(types, it->typespec)) {
int i;
int opsize = 0;
char *ptr = types - 1 + lo_strsize(types - 1);
char *data_co, *data_co_ptr;
argv = calloc(argc+1, sizeof(lo_arg *));
for (i=0; i<argc; i++) {
opsize += lo_arg_size(it->typespec[i], ptr);
ptr += lo_arg_size(types[i], ptr);
}
data_co = malloc(opsize);
data_co_ptr = data_co;
ptr = types - 1 + lo_strsize(types - 1);
for (i=0; i<argc; i++) {
argv[i] = (lo_arg *)data_co_ptr;
if (!endian_fixed) {
lo_arg_host_endian(types[i], ptr);
}
lo_coerce(it->typespec[i], (lo_arg *)data_co_ptr,
types[i], (lo_arg *)ptr);
data_co_ptr += lo_arg_size(it->typespec[i], data_co_ptr);
ptr += lo_arg_size(types[i], ptr);
}
endian_fixed = 1;
/* Send wildcard path to generic handler, expanded path
to others.
*/
pptr = path;
if (it->path) pptr = it->path;
ret = it->handler(pptr, it->typespec, argv, argc, msg,
it->user_data);
free(argv);
free(data_co);
argv = NULL;
}
if (ret == 0 && !pattern) {
break;
}
}
}
/* If we find no matching methods, check for protocol level stuff */
if (ret == 1 && s->protocol == LO_UDP) {
char *pos = strrchr(path, '/');
/* if its a method enumeration call */
if (pos && *(pos+1) == '\0') {
lo_message reply = lo_message_new();
int len = strlen(path);
lo_strlist *sl = NULL, *slit, *slnew, *slend;
if (!strcmp(types, "i")) {
lo_message_add_int32(reply, argv[0]->i);
}
lo_message_add_string(reply, path);
for (it = s->first; it; it = it->next) {
/* If paths match */
if (it->path && !strncmp(path, it->path, len)) {
char *tmp;
char *sec;
tmp = malloc(strlen(it->path + len) + 1);
strcpy(tmp, it->path + len);
#ifdef WIN32
sec = strchr(tmp,'/');
#else
sec = index(tmp, '/');
#endif
if (sec) *sec = '\0';
slend = sl;
for (slit = sl; slit; slend = slit, slit = slit->next) {
if (!strcmp(slit->str, tmp)) {
free(tmp);
tmp = NULL;
break;
}
}
if (tmp) {
slnew = calloc(1, sizeof(lo_strlist));
slnew->str = tmp;
slnew->next = NULL;
if (!slend) {
sl = slnew;
} else {
slend->next = slnew;
}
}
}
}
for (slit = sl; slit; slit = slit->next) {
lo_message_add_string(reply, slit->str);
free(slit->str);
}
lo_send_message(src, "#reply", reply);
lo_message_free(reply);
}
}
free(argv);
/* the address got assigned static stuff, hence not using address_free */
free(src);
/* these are already part of data and will be freed later */
msg->data = NULL;
msg->types = NULL;
lo_message_free(msg);
}
int lo_server_recv(lo_server s)
{
void *data;
size_t size;
char *path;
char *types;
double sched_time = lo_server_next_event_delay(s);
#ifdef WIN32
fd_set ps;
struct timeval stimeout;
int res;
#else
struct pollfd ps;
#endif
again:
if (sched_time > 0.01) {
if (sched_time > 10.0) {
sched_time = 10.0;
}
#ifdef WIN32
if(!initWSock()) return 0;
ps.fd_count = 1;
ps.fd_array[0] = s->socket;
stimeout.tv_sec = sched_time;
stimeout.tv_usec = (sched_time-stimeout.tv_sec)*1.e6;
res = select(1,&ps,NULL,NULL,&stimeout);
if(res == SOCKET_ERROR) {
return 0;
}
if(!res) {
sched_time = lo_server_next_event_delay(s);
if (sched_time > 0.01) {
goto again;
}
return dispatch_queued(s);
}
#else
ps.fd = s->socket;
ps.events = POLLIN | POLLPRI | POLLERR | POLLHUP;
ps.revents = 0;
poll(&ps, 1, (int)(sched_time * 1000.0));
if (ps.revents == POLLERR || ps.revents == POLLHUP) {
return 0;
}
if (!ps.revents) {
sched_time = lo_server_next_event_delay(s);
if (sched_time > 0.01) {
goto again;
}
return dispatch_queued(s);
}
#endif
} else {
return dispatch_queued(s);
}
if (s->protocol == LO_TCP) {
data = lo_server_recv_raw_stream(s, &size);
} else {
data = lo_server_recv_raw(s, &size);
}
if (!data) {
return 0;
}
path = data;
types = data + lo_strsize(path);
if (!strcmp(path, "#bundle")) {
char *pos = types;
uint32_t len;
lo_timetag ts, now;
lo_timetag_now(&now);
ts.sec = lo_otoh32(*((uint32_t *)pos));
pos += 4;
ts.frac = lo_otoh32(*((uint32_t *)pos));
pos += 4;
while (pos - (char *)data < size) {
len = lo_otoh32(*((uint32_t *)pos));
pos += 4;
/* test for immedaite dispatch */
if ((ts.sec == 0 && ts.frac == 1) ||
lo_timetag_diff(ts, now) <= 0.0) {
types = pos + lo_strsize(pos);
dispatch_method(s, pos, types + 1, types + lo_strsize(types));
} else {
queue_data(s, ts, pos, len);
}
pos += len;
}
free(data);
return size;
} else if (*types != ',') {
lo_throw(s, LO_ENOTYPE, "Missing typetag", path);
return -1;
}
dispatch_method(s, path, types+1, data);
free(data);
return size;
}
lo_server lo_server_new_with_proto(const char *port, int proto,
lo_err_handler err_h)
{
lo_server s;
struct addrinfo *ai = NULL, *it, *used;
struct addrinfo hints;
int ret = -1;
int tries = 0;
char pnum[16];
const char *service;
char hostname[LO_HOST_SIZE];
#ifdef WIN32
if(!initWSock()) return NULL;
#endif
s = calloc(1, sizeof(struct _lo_server));
s->err_h = err_h;
s->first = NULL;
s->ai = NULL;
s->hostname = NULL;
s->protocol = proto;
s->port = 0;
s->path = NULL;
s->queued = NULL;
s->socket = -1;
memset(&hints, 0, sizeof(hints));
if (proto == LO_UDP) {
hints.ai_socktype = SOCK_DGRAM;
} else if (proto == LO_TCP) {
hints.ai_socktype = SOCK_STREAM;
}
#ifndef WIN32
else if (proto == LO_UNIX) {
struct sockaddr_un sa;
s->socket = socket(PF_UNIX, SOCK_DGRAM, 0);
if (s->socket == -1) {
int err = geterror();
used = NULL;
lo_throw(s, err, strerror(err), "socket()");
lo_server_free(s);
return NULL;
}
sa.sun_family = AF_UNIX;
strncpy(sa.sun_path, port, 107);
if ((ret = bind(s->socket, (struct sockaddr *)&sa, sizeof(sa))) < 0) {
int err = geterror();
lo_throw(s, err, strerror(err), "bind()");
lo_server_free(s);
return NULL;
}
s->path = strdup(port);
return s;
}
#endif
else {
lo_throw(s, LO_UNKNOWNPROTO, "Unknown protocol", NULL);
lo_server_free(s);
return NULL;
}
#ifdef DISABLE_IPV6
hints.ai_family = PF_INET;
#else
hints.ai_family = PF_UNSPEC;
#endif
hints.ai_flags = AI_PASSIVE;
if (!port) {
service = pnum;
} else {
service = port;
}
do {
if (!port) {
/* not a good way to get random numbers, but its not critical */
snprintf(pnum, 15, "%ld", 10000 + ((unsigned int)rand() +
time(NULL)) % 10000);
}
if (ai) {
freeaddrinfo(ai);
}
if ((ret = getaddrinfo(NULL, service, &hints, &ai))) {
lo_throw(s, ret, gai_strerror(ret), NULL);
freeaddrinfo(ai);
return NULL;
}
used = NULL;
s->ai = ai;
s->socket = -1;
s->port = 0;
for (it = ai; it && s->socket == -1; it = it->ai_next) {
used = it;
s->socket = socket(it->ai_family, hints.ai_socktype, 0);
}
if (s->socket == -1) {
int err = geterror();
used = NULL;
lo_throw(s, err, strerror(err), "socket()");
lo_server_free(s);
return NULL;
}
if ((ret = bind(s->socket, used->ai_addr, used->ai_addrlen)) < 0) {
int err = geterror();
if (err == EINVAL || err == EADDRINUSE) {
used = NULL;
continue;
}
lo_throw(s, err, strerror(err), "bind()");
lo_server_free(s);
return NULL;
}
} while (!used && tries++ < 16);
if (proto == LO_TCP) {
listen(s->socket, 8);
}
if (!used) {
lo_throw(s, LO_NOPORT, "cannot find free port", NULL);
lo_server_free(s);
return NULL;
}
if (proto == LO_UDP) {
lo_client_sockets.udp = s->socket;
} else if (proto == LO_TCP) {
lo_client_sockets.tcp = s->socket;
}
/* Try it the IPV6 friendly way first */
hostname[0] = '\0';
for (it = ai; it; it = it->ai_next) {
if (getnameinfo(it->ai_addr, it->ai_addrlen, hostname,
sizeof(hostname), NULL, 0, NI_NAMEREQD) == 0) {
break;
}
}
/* check to make sure getnameinfo() didn't just set the hostname to "::".
Needed on Darwin. */
if (hostname[0] == ':') {
hostname[0] = '\0';
}
/* Fallback to the oldschool (i.e. more reliable) way */
if (!hostname[0]) {
struct hostent *he;
gethostname(hostname, sizeof(hostname));
he = gethostbyname(hostname);
if (he) {
strncpy(hostname, he->h_name, sizeof(hostname));
}
}
/* soethings gone really wrong, just hope its local only */
if (!hostname[0]) {
strcpy(hostname, "localhost");
}
s->hostname = strdup(hostname);
if (used->ai_family == PF_INET6) {
struct sockaddr_in6 *addr = (struct sockaddr_in6 *)used->ai_addr;
s->port = htons(addr->sin6_port);
} else if (used->ai_family == PF_INET) {
struct sockaddr_in *addr = (struct sockaddr_in *)used->ai_addr;
s->port = htons(addr->sin_port);
} else {
lo_throw(s, LO_UNKNOWNPROTO, "unknown protocol family", NULL);
s->port = atoi(port);
}
return s;
}
int lo_server_dispatch_data(lo_server s, void *data, size_t size)
{
int result = 0;
char *path = data;
ssize_t len = lo_validate_string(data, size);
if (len < 0) {
lo_throw(s, -len, "Invalid message path", NULL);
return len;
}
if (!strcmp(data, "#bundle")) {
char *pos;
int remain;
uint32_t elem_len;
lo_timetag ts, now;
ssize_t bundle_result = lo_validate_bundle(data, size);
if (bundle_result < 0) {
lo_throw(s, -bundle_result, "Invalid bundle", NULL);
return bundle_result;
}
pos = (char *)data + len;
remain = size - len;
lo_timetag_now(&now);
ts.sec = lo_otoh32(*((uint32_t *)pos));
pos += 4;
ts.frac = lo_otoh32(*((uint32_t *)pos));
pos += 4;
remain -= 8;
while (remain >= 4) {
lo_message msg;
elem_len = lo_otoh32(*((uint32_t *)pos));
pos += 4;
remain -= 4;
msg = lo_message_deserialise(pos, elem_len, &result);
if (!msg) {
lo_throw(s, result, "Invalid bundle element received", path);
return -result;
}
// set timetag from bundle
msg->ts = ts;
// test for immediate dispatch
if ((ts.sec == LO_TT_IMMEDIATE.sec
&& ts.frac == LO_TT_IMMEDIATE.frac) ||
lo_timetag_diff(ts, now) <= 0.0) {
dispatch_method(s, pos, msg);
lo_message_free(msg);
} else {
queue_data(s, ts, pos, msg);
}
pos += elem_len;
remain -= elem_len;
}
} else {
lo_message msg = lo_message_deserialise(data, size, &result);
if (NULL == msg) {
lo_throw(s, result, "Invalid message received", path);
return -result;
}
dispatch_method(s, data, msg);
lo_message_free(msg);
}
return size;
}
void *lo_server_recv_raw_stream(lo_server s, size_t *size)
{
struct sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
char buffer[LO_MAX_MSG_SIZE];
int32_t read_size;
int ret=0, i;
void *data = NULL;
int sock = -1;
int repeat = 1;
#ifdef HAVE_SELECT
#ifndef HAVE_POLL
fd_set ps;
int nfds=0;
#endif
#endif
/* check sockets in reverse order so that already-open sockets
* have priority. this allows checking for closed sockets even
* when new connections are being requested. it also allows to
* continue looping through the list of sockets after closing and
* deleting a socket, since deleting sockets doesn't affect the
* order of the array to the left of the index. */
#ifdef HAVE_POLL
for (i=0; i < s->sockets_len; i++) {
s->sockets[i].events = POLLIN | POLLPRI;
s->sockets[i].revents = 0;
}
poll(s->sockets, s->sockets_len, -1);
for (i=(s->sockets_len-1); i >= 0; --i) {
if (s->sockets[i].revents == POLLERR
|| s->sockets[i].revents == POLLHUP)
{
if (i>0) {
close(s->sockets[i].fd);
lo_server_del_socket(s, i, s->sockets[i].fd);
continue;
}
else
return NULL;
}
if (s->sockets[i].revents) {
sock = s->sockets[i].fd;
#else
#ifdef HAVE_SELECT
if(!initWSock()) return NULL;
FD_ZERO(&ps);
for (i=(s->sockets_len-1); i >= 0; --i) {
FD_SET(s->sockets[i].fd, &ps);
if (s->sockets[i].fd > nfds)
nfds = s->sockets[i].fd;
}
if (select(nfds+1,&ps,NULL,NULL,NULL) == SOCKET_ERROR)
return NULL;
for (i=0; i < s->sockets_len; i++) {
if (FD_ISSET(s->sockets[i].fd, &ps)) {
sock = s->sockets[i].fd;
#endif
#endif
if (sock == -1 || !repeat)
return NULL;
/* zeroeth socket is listening for new connections */
if (sock == s->sockets[0].fd) {
sock = accept(sock, (struct sockaddr *)&addr, &addr_len);
i = lo_server_add_socket(s, sock);
/* only repeat this loop for sockets other than the listening
* socket, (otherwise i will be wrong next time around) */
repeat = 0;
}
if (i<0) {
close(sock);
return NULL;
}
ret = recv(sock, &read_size, sizeof(read_size), 0);
read_size = ntohl(read_size);
if (read_size > LO_MAX_MSG_SIZE || ret <= 0) {
close(sock);
lo_server_del_socket(s, i, sock);
if (ret > 0)
lo_throw(s, LO_TOOBIG, "Message too large", "recv()");
continue;
}
ret = recv(sock, buffer, read_size, 0);
if (ret <= 0) {
close(sock);
lo_server_del_socket(s, i, sock);
continue;
}
/* end of loop over sockets: successfully read data */
break;
}
}
data = malloc(ret);
memcpy(data, buffer, ret);
if (size) *size = ret;
return data;
}
int lo_server_wait(lo_server s, int timeout)
{
int sched_timeout = lo_server_next_event_delay(s) * 1000;
int i;
#ifdef HAVE_SELECT
#ifndef HAVE_POLL
fd_set ps;
struct timeval stimeout;
#endif
#endif
#ifdef HAVE_POLL
for (i=0; i < s->sockets_len; i++) {
s->sockets[i].events = POLLIN | POLLPRI | POLLERR | POLLHUP;
s->sockets[i].revents = 0;
}
poll(s->sockets, s->sockets_len,
timeout > sched_timeout ? sched_timeout : timeout);
if (lo_server_next_event_delay(s) < 0.01)
return 1;
for (i=0; i < s->sockets_len; i++) {
if (s->sockets[i].revents == POLLERR
|| s->sockets[i].revents == POLLHUP)
return 0;
if (s->sockets[i].revents)
return 1;
}
#else
#ifdef HAVE_SELECT
int res,to,nfds=0;
if(!initWSock()) return 0;
to = timeout > sched_timeout ? sched_timeout : timeout;
stimeout.tv_sec = to/1000;
stimeout.tv_usec = (to%1000)*1000;
FD_ZERO(&ps);
for (i=0; i < s->sockets_len; i++) {
FD_SET(s->sockets[i].fd,&ps);
if (s->sockets[i].fd > nfds)
nfds = s->sockets[i].fd;
}
res = select(nfds+1,&ps,NULL,NULL,&stimeout);
if(res == SOCKET_ERROR)
return 0;
if (res || lo_server_next_event_delay(s) < 0.01)
return 1;
#endif
#endif
return 0;
}
int lo_server_recv_noblock(lo_server s, int timeout)
{
int result = lo_server_wait(s,timeout);
if (result>0) {
return lo_server_recv(s);
} else {
return 0;
}
}
