int spoutSenderNames::GetSenderCount() {
std::set<string> SenderSet;
std::set<string>::iterator iter;
string namestring;
char name[SpoutMaxSenderNameLen];
SharedTextureInfo info;
// Create the shared memory for the sender name set if it does not exist
if(!CreateSenderSet()) {
return 0;
}
// Doing multiple operations on the sender list, keep it locked
if (!m_senderNames.Lock())
{
return 0;
}
// get the name list in shared memory into a local list
GetSenderNames(&SenderSet);
// Now we have a local set of names
// 27.12.13 - noted that if a Processing sketch is stopped by closing the window
// all is OK and either the "stop" or "dispose" overrides work, but if STOP is used,
// or the sketch is closed, neither the exit or dispose functions are called and
// the sketch does not release the sender.
// So here we run through again and check whether the sender exists and if it does not
// release the sender from the local sender list
if(SenderSet.size() > 0) {
for(iter = SenderSet.begin(); iter != SenderSet.end(); iter++) {
namestring = *iter; // the Sender name string
strcpy_s(name, namestring.c_str());
// we have the name already, so look for it's info
if(!getSharedInfo(name, &info)) {
// Sender does not exist any more
ReleaseSenderName(name); // release from the shared memory list
}
}
}
// Get the new set back
if(GetSenderNames(&SenderSet)) {
m_senderNames.Unlock();
return(SenderSet.size());
}
m_senderNames.Unlock();
return 0;
}
// Get sender info given a sender index and knowing the sender count
// index - in
// sendername - out
// sendernameMaxSize - in
// width, height, dxShareHandle - out
bool spoutSenderNames::GetSenderNameInfo(int index, char* sendername, int sendernameMaxSize, unsigned int &width, unsigned int &height, HANDLE &dxShareHandle)
{
char name[SpoutMaxSenderNameLen];
std::set<std::string> SenderNameSet;
std::set<std::string>::iterator iter;
std::string namestring;
int i;
DWORD format;
if(GetSenderNames(&SenderNameSet)) {
if(SenderNameSet.size() < (unsigned int)index)
return false;
i = 0;
for(iter = SenderNameSet.begin(); iter != SenderNameSet.end(); iter++) {
namestring = *iter; // the name string
strcpy_s(name, namestring.c_str()); // the 256 byte name char array
if(i == index) {
strcpy_s(sendername, sendernameMaxSize, name); // the passed name char array
break;
}
i++;
}
// Does the retrieved sender exist or has it crashed?
// Find out by getting the sender info and returning it
if(GetSenderInfo(sendername, width, height, dxShareHandle, format))
return true;
}
return false;
} // end GetSenderNameInfo
//---------------------------------------------------------
bool spoutSenderNames::SenderDebug(const char *Sendername, int size)
{
// HANDLE hMap1 = NULL;
// HANDLE hMap2 = NULL;
// HANDLE hMap3 = NULL;
std::set<string> SenderNames;
std::set<string>::iterator iter;
string namestring;
UNREFERENCED_PARAMETER(Sendername);
UNREFERENCED_PARAMETER(size);
printf("**** SENDER DEBUG ****\n");
m_senderNames.Debug();
// Check the sender names
/*
// printf(" GetSenderSet\n");
if(GetSenderSet(SenderNames)) {
// printf(" SenderNames size = [%d]\n", SenderNames.size());
if (SenderNames.size() > 0) {
for(iter = SenderNames.begin(); iter != SenderNames.end(); iter++) {
namestring = *iter;
// printf(" Sender : [%s]\n", namestring.c_str());
}
}
}
else {
// printf(" GetSenderSet failed\n");
}
*/
printf(" GetSenderNames\n");
if(GetSenderNames(&SenderNames)) {
printf(" SenderNames size = [%d]\n", SenderNames.size());
if (SenderNames.size() > 0) {
for(iter = SenderNames.begin(); iter != SenderNames.end(); iter++) {
namestring = *iter;
printf(" Sender : [%s]\n", namestring.c_str());
}
}
else {
printf(" SenderNames size = 0\n");
}
}
else {
printf(" GetSenderSet failed\n");
}
/*
// printf("2) Closing - hSenderNamesMap = [%x], pSenderNamesMap = [%x]\n", m_hSenderNamesMap, m_pSenderNamesMap);
// Close and try to reopen
CloseMap(m_pSenderNamesMap, m_hSenderNamesMap);
hMap2 = OpenFileMappingA (FILE_MAP_ALL_ACCESS, FALSE, "SpoutSenderNames");
if(hMap2) {
// printf(" Sendernames map [%x] did not close\n", hMap2);
CloseHandle(hMap2);
}
else {
// printf(" Closed sendernames map OK\n");
}
CloseMap(m_pActiveSenderMap, m_hActiveSenderMap);
*/
m_activeSender.Debug();
return true;
}