static udp_pair *
NewUTP(
struct ip *pip,
struct udphdr *pudp)
{
udp_pair *pup;
if (0) {
printf("trace.c:NewUTP() calling MakeUdpPair()\n");
}
pup = MakeUdpPair();
++num_udp_pairs;
/* make a new one, if possible */
if ((num_udp_pairs+1) >= max_udp_pairs) {
MoreUdpPairs(num_udp_pairs+1);
}
/* create a new UDP pair record and remember where you put it */
utp[num_udp_pairs] = pup;
pup->ignore_pair=ignore_pairs[num_udp_pairs];
/* grab the address from this packet */
CopyAddr(&pup->addr_pair,
pip, ntohs(pudp->uh_sport), ntohs(pudp->uh_dport));
/* data structure setup */
pup->a2b.pup = pup;
pup->b2a.pup = pup;
pup->a2b.ptwin = &pup->b2a;
pup->b2a.ptwin = &pup->a2b;
/* fill in connection name fields */
pup->a2b.host_letter = strdup(NextHostLetter());
pup->b2a.host_letter = strdup(NextHostLetter());
pup->a_hostname = strdup(HostName(pup->addr_pair.a_address));
pup->a_portname = strdup(ServiceName(pup->addr_pair.a_port));
pup->a_endpoint =
strdup(EndpointName(pup->addr_pair.a_address,
pup->addr_pair.a_port));
pup->b_hostname = strdup(HostName(pup->addr_pair.b_address));
pup->b_portname = strdup(ServiceName(pup->addr_pair.b_port));
pup->b_endpoint =
strdup(EndpointName(pup->addr_pair.b_address,
pup->addr_pair.b_port));
pup->filename = cur_filename;
return(pup);
}
// Obtain the name of an endpoint, following connections.
// The result should be released by the caller.
static CFStringRef ConnectedEndpointName(MIDIEndpointRef endpoint) {
CFMutableStringRef result = CFStringCreateMutable(NULL, 0);
CFStringRef str;
OSStatus err;
// Does the endpoint have connections?
CFDataRef connections = NULL;
int nConnected = 0;
bool anyStrings = false;
err = MIDIObjectGetDataProperty(endpoint, kMIDIPropertyConnectionUniqueID, &connections);
if (connections != NULL) {
// It has connections, follow them
// Concatenate the names of all connected devices
nConnected = CFDataGetLength(connections) / sizeof(MIDIUniqueID);
if (nConnected) {
const SInt32 *pid = reinterpret_cast <const SInt32 *>(CFDataGetBytePtr(connections));
for (int i = 0; i < nConnected; ++i, ++pid) {
MIDIUniqueID id = EndianS32_BtoN(*pid);
MIDIObjectRef connObject;
MIDIObjectType connObjectType;
err = MIDIObjectFindByUniqueID(id, &connObject, &connObjectType);
if (err == noErr) {
if (connObjectType == kMIDIObjectType_ExternalSource
|| connObjectType == kMIDIObjectType_ExternalDestination) {
// Connected to an external device's endpoint (10.3 and later).
str = EndpointName(static_cast <MIDIEndpointRef>(connObject), true);
}
else {
// Connected to an external device (10.2) (or something else, catch-all)
str = NULL;
MIDIObjectGetStringProperty(connObject, kMIDIPropertyName, &str);
}
if (str != NULL) {
if (anyStrings)
CFStringAppend(result, CFSTR(", "));
else anyStrings = true;
CFStringAppend(result, str);
CFRelease(str);
}
}
}
}
CFRelease(connections);
}
if (anyStrings)
return result;
// Here, either the endpoint had no connections, or we failed to obtain names for any of them.
return EndpointName(endpoint, false);
}
void CAMIDIEndpoints::AddEndpoints(MIDIEndpointRef endpoint, EndpointList &eplist) {
Endpoint *ep, *prev;
OSStatus err;
CFStringRef str;
// Add the driver-owned endpoint
ep = new Endpoint(endpoint, EndpointName(endpoint, false), NULL);
eplist.push_back(ep);
prev = ep;
// Does the endpoint have connections?
CFDataRef connections = NULL;
int nConnected = 0;
MIDIObjectGetDataProperty(endpoint, kMIDIPropertyConnectionUniqueID, &connections);
if (connections != NULL) {
// It has connections, follow them
nConnected = CFDataGetLength(connections) / sizeof(MIDIUniqueID);
if (nConnected) {
const SInt32 *pid = reinterpret_cast <const SInt32 *>(CFDataGetBytePtr(connections));
for (int i = 0; i < nConnected; ++i, ++pid) {
MIDIUniqueID id = 0;//EndianS32_BtoN(*pid);
MIDIObjectRef connObject;
MIDIObjectType connObjectType;
err = MIDIObjectFindByUniqueID(id, &connObject, &connObjectType);
if (err == noErr) {
if (connObjectType == kMIDIObjectType_ExternalSource
|| connObjectType == kMIDIObjectType_ExternalDestination) {
// Connected to an external device's endpoint (10.3 and later).
str = EndpointName(static_cast <MIDIEndpointRef>(connObject), true);
}
else {
// Connected to an external device (10.2) (or something else, catch-all)
str = NULL;
MIDIObjectGetStringProperty(connObject, kMIDIPropertyName, &str);
}
if (str != NULL) {
ep = new Endpoint(endpoint, str, connObject);
eplist.push_back(ep);
prev->SetNext(ep);
prev = ep;
}
}
}
}
}
}