vrpn_PeerMutex::~vrpn_PeerMutex (void) {
// Send an explicit message so they know we're shutting down, not
// just disconnecting temporarily and will be back.
// Probably a safer way to do it would be to do addPeer and losePeer
// implicitly through dropped_connection/got_connection on d_server
// and d_peer?
// There is no good solution!
// Possible improvement: if we lose our connection and regain it,
// send some sort of announcement message to everybody who used to
// be our peer so they add us back into their tables.
if (isHeldLocally()) {
release();
}
if (d_mutexName) {
delete [] d_mutexName;
}
for (int i = 0; i < d_numPeers; ++i) {
if (d_peer[i]) {
d_peer[i]->removeReference();
}
}
if (d_peer) {
delete [] d_peer;
}
if (d_server) {
d_server->removeReference();
}
}
void vrpn_PeerMutex::release(void)
{
int i;
// Can't release it if we don't already have it.
// There aren't any appropriate callbacks to trigger here. :)
if (!isHeldLocally()) {
#ifdef VERBOSE
fprintf(stderr, "vrpn_PeerMutex::release: we don't hold the mutex.\n");
#endif
return;
}
d_state = AVAILABLE;
d_holderIP = 0;
d_holderPort = -1;
for (i = 0; i < d_numPeers; i++) {
sendRelease(d_peer[i]);
}
triggerReleaseCallbacks();
#ifdef VERBOSE
fprintf(stderr, "vrpn_PeerMutex::release: released the mutex.\n");
#endif
}
void vrpn_Mutex_Remote::release (void) {
if (!isHeldLocally()) {
return;
}
#ifdef VERBOSE
fprintf(stderr, "Releasing mutex.\n");
#endif
d_state = AVAILABLE;
sendRelease();
triggerReleaseCallbacks();
}