public boolean go(String encFlag, String ccnName, String tapName, String readName) {
CCNNetworkManager manager = null;
try {
if (encFlag.equals("0")) {
SystemConfiguration.setDefaultEncoding(TextXMLCodec.codecName());
} else {
SystemConfiguration.setDefaultEncoding(BinaryXMLCodec.codecName());
}
File theFile = new File(readName);
if (!theFile.exists()) {
System.out.println("No such file: " + readName);
usage();
return false;
}
// Get writing handle
CCNHandle handle = CCNHandle.open();
manager = handle.getNetworkManager();
// Set up tap so packets get written to file
manager.setTap(tapName);
ContentName name = ContentName.fromURI(ccnName);
// Register standing interest so our put's will flow
// This must be through separate handle instance so it
// appears that there is an interest from a separate app
// because interest from the same app as the writer will
// not consume the data and therefore will block
CCNHandle reader = CCNHandle.open();
reader.expressInterest(new Interest(ccnName), this);
// Remove automatic verification at this level. Can put it back in at
// the tap level. CCNWriter is a segmenting writer, it makes no real
// sense for it to return "a" ContentObject to verify.
// Dump the file in small packets
InputStream is = new FileInputStream(theFile);
byte[] bytes = new byte[CHUNK_SIZE];
int i = 0;
CCNWriter writer = new CCNWriter(name, handle);
writer.disableFlowControl();
while (is.read(bytes) >= 0) {
writer.put(ContentName.fromNative(name, new Integer(i++).toString()), bytes);
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
} finally {
if (null != manager) {
// Need to call shutdown directly on manager at this point
manager.shutdown();
}
}
}
