static int Synthmessage(char *m, int n, void *clientdesc, int clientdesclength, int fd) {
struct ClientAddressStruct ras;
ClientAddr ra = &ras;
catchupflag= FALSE;
ras.cl_addr = *((struct sockaddr_in *) clientdesc);
ras.clilen = clientdesclength;
ras.sockfd = fd;
if (ShowBytes) {
int i;
printf("%d byte message:\n", n);
for (i = 0; i < n; ++i) {
printf(" %x (%c)\t", m[i], m[i]);
if (i%4 == 3) printf("\n");
}
printf("\n");
}
#ifdef PRINTADDRS
PrintClientAddr(ra);
#endif
PrintOSCPacket(m, n);
return catchupflag;
}
void ParseOSCPacket(char *buf, int n, ClientAddr returnAddr) {
int size, messageLen, i;
char *messageName;
char *args;
#ifdef PRINTADDRS
PrintClientAddr(returnAddr);
#endif
if ((n%4) != 0) {
complain("SynthControl packet size (%d) not a multiple of 4 bytes: dropping",
n);
return;
}
if ((n >= 8) && (strncmp(buf, "#bundle", 8) == 0)) {
/* This is a bundle message. */
if (n < 16) {
complain("Bundle message too small (%d bytes) for time tag", n);
return;
}
/* Print the time tag */
printf("[ %lx%08lx\n", ntohl(*((unsigned long *)(buf+8))),
ntohl(*((unsigned long *)(buf+12))));
/* Note: if we wanted to actually use the time tag as a little-endian
64-bit int, we'd have to word-swap the two 32-bit halves of it */
i = 16; /* Skip "#group\0" and time tag */
while(i<n) {
size = ntohl(*((int *) (buf + i)));
if ((size % 4) != 0) {
complain("Bad size count %d in bundle (not a multiple of 4)", size);
return;
}
if ((size + i + 4) > n) {
complain("Bad size count %d in bundle (only %d bytes left in entire bundle)",
size, n-i-4);
return;
}
/* Recursively handle element of bundle */
ParseOSCPacket(buf+i+4, size, returnAddr);
i += 4 + size;
}
if (i != n) {
complain("This can't happen");
}
printf("]\n");
} else {
/* This is not a bundle message */
messageName = buf;
args = DataAfterAlignedString(messageName, buf+n);
if (args == 0) {
complain("Bad message name string: %s\nDropping entire message.\n",
htm_error_string);
return;
}
messageLen = args-messageName;
Smessage(messageName, (void *)args, n-messageLen, returnAddr);
}
}
