public CTplugin(String rootFolder) {
try {
CTreader ctreader = new CTreader(rootFolder);
ctreader.setDebug(debug);
ArrayList<String> sourceList = ctreader.listSources();
if (sourceList.size() == 0) {
if (debug) System.err.println("No Sources in rootFolder: " + rootFolder);
new PIrun(rootFolder, null, ctreader).start();
} else {
if (debug) System.err.println("Multiple Sources found: " + sourceList.size());
for (String source : sourceList) {
new PIrun(rootFolder, source, ctreader).start();
}
}
} catch (Exception e) {
System.err.println("Oops, error on startup: " + e);
System.exit(0);
}
}
private PlugInChannelMap handleRegistration(PlugInChannelMap picm) throws Exception {
// picm.PutTime( (System.currentTimeMillis()/1000.0), 0.0);
try {
if (((picm.GetName(0).equals("...")) || (picm.GetName(0).equals("*")))) {
double otime = ctreader.oldTime(sourceFolder);
double ntime = ctreader.newTime(sourceFolder);
if (debug)
System.err.println(
"handleRegistration picm[0]: "
+ picm.GetName(0)
+ ", oldtime: "
+ otime
+ ", newtime: "
+ ntime);
picm.PutTime(otime, ntime - otime);
if (regPicm
!= null) { // round about way to cache registration. actual RBNB pre-register does not
// provide time limits
if (debug) System.err.println("returning pre-fetched registration...");
picm.Clear();
for (int i = 0; i < regPicm.NumberOfChannels(); i++) {
picm.Add(regPicm.GetName(i));
picm.PutDataAsString(i, regString(regPicm.GetName(i)));
picm.PutMime(i, "text/xml");
}
return picm; // return pre-fetched registration
}
ArrayList<String> chanlist = ctreader.listChans(sourceFolder);
if (chanlist == null) {
throw (new Exception("Oops, no channels for sourceFolder: " + sourceFolder));
}
picm.Clear();
for (int i = 0; i < chanlist.size(); i++) {
int j = picm.Add(chanlist.get(i));
if (debug) System.err.println("register[" + j + "]: " + picm.GetName(j));
picm.PutDataAsString(i, regString(chanlist.get(i)));
picm.PutMime(i, "text/xml");
}
} else {
CTmap ctmap = PI2CTmap(picm); // ignore time limits registration request
double otime = ctreader.oldTime(sourceFolder, ctmap);
double ntime = ctreader.newTime(sourceFolder, ctmap);
picm.PutTime(otime, ntime - otime);
if (debug)
System.err.println(
"handleRegistration picm[0]: "
+ picm.GetName(0)
+ ", oldtime: "
+ otime
+ ", newtime: "
+ ntime);
int nchan = picm.NumberOfChannels();
if (debug)
System.err.println("reg-request channel: " + picm.GetName(0) + ", num: " + nchan);
for (int i = 0; i < nchan; i++) { // put start/end time for each channel individually?
picm.PutDataAsString(i, regString(picm.GetName(i)));
picm.PutMime(i, "text/xml");
}
}
} catch (Exception e) {
System.err.println("handleRegistration exception: " + e);
e.printStackTrace();
}
// plugin.Flush(picm);
return (picm);
}
public void run() {
if (debug) System.err.println("PIrun, sourceFolder: " + sourceFolder + ", sName: " + sName);
PlugInChannelMap picm = new PlugInChannelMap();
plugin = new PlugIn();
try {
plugin.OpenRBNBConnection(rbnbServer, sName);
sink = new Sink();
sink.OpenRBNBConnection(rbnbServer, sinkName);
} catch (Exception e) {
System.err.println("Error on connect: " + e);
System.exit(0);
// RBNBProcess.exit(0);
}
if (preRegister) {
try {
System.err.println("pre-registering channels for source: " + sName);
picm.Add("...");
regPicm = handleRegistration(picm);
// plugin.Register(picm); // pre-register
System.err.println("pre-register done: " + sName);
} catch (Exception se) {
System.err.println("Oops, exception on preRegister: " + se);
}
}
// process is to wait for request, get data from sink, convert data, send response, repeat
while (true) {
try {
if (debug) System.err.println("waiting on fetch...");
picm = plugin.Fetch(-1); // block until request arrives
if (debug) System.err.println("request picm: " + picm);
if (picm.NumberOfChannels() == 0) {
System.err.println("oops, no channels in request");
continue;
}
if (picm.GetRequestReference().equals("registration")) {
if (debug) System.err.println("registration request!");
plugin.Flush(handleRegistration(picm));
continue;
} else {
double tget = picm.GetRequestStart();
double tdur = picm.GetRequestDuration();
String tmode = picm.GetRequestReference();
CTmap ctmap = PI2CTmap(picm);
ctmap = ctreader.getDataMap(ctmap, sourceFolder, tget, tdur, tmode);
picm = CT2PImap(picm, ctmap, tget, tdur, tmode);
if (debug) System.err.println("Flush picm: " + picm + ", nframe: " + ctmap.size());
if (picm == null) System.err.println("no channels!");
else plugin.Flush(picm);
}
} catch (Exception e) {
System.err.println("oops, exception: " + e + ", picm: " + picm);
e.printStackTrace();
try {
Thread.sleep(1000);
picm.PutDataAsString(0, "error: " + e);
plugin.Flush(picm);
} catch (Exception ee) {
}
; // no busy loop
// System.exit(0); // no infinite loops
}
}
}