@Override
public void handlePOST(CoapExchange exchange) {
Response response = new Response(CoAP.ResponseCode.CONTENT);
int contentType = exchange.getRequestOptions().getContentFormat();
int acceptTypeVal = exchange.getRequestOptions().getAccept();
String acceptType = "";
switch (acceptTypeVal) {
case MediaTypeRegistry.APPLICATION_EXI:
break;
case MediaTypeRegistry.APPLICATION_XML:
acceptType = MediaType.APPLICATION_XML.getSubType();
break;
case MediaTypeRegistry.APPLICATION_JSON:
acceptType = MediaType.APPLICATION_JSON.getSubType();
break;
}
Resource02_Discovery rd = new Resource02_Discovery();
byte[] message = exchange.getRequestPayload();
InputStream isMsg = new ByteArrayInputStream(message);
StringRepresentation sr = new StringRepresentation("");
try {
switch (contentType) {
case MediaTypeRegistry.APPLICATION_EXI:
// decode first! TODO
// sr = rc.registerXmlHandler(isMsg, acceptType);
// byte[] exiMessage = codeSchemaLess(message);
// response.setPayload(exiMessage);
break;
case MediaTypeRegistry.APPLICATION_JSON:
sr = rd.discoveryJsonHandler(isMsg, acceptType);
response.setPayload(sr.getText());
break;
default:
response.setPayload(
"accept types supported: application/exi; application/xml; application/json");
}
} catch (ResourceException ex) {
Logger.getLogger(CoapR02_Discovery.class.getName()).log(Level.SEVERE, null, ex);
}
exchange.respond(response);
}
@Override
public void handleGET(CoapExchange exchange) {
String payload =
"Available commands:\n - GET: show statistics\n - POST write stats to file\n - DELETE: reset statistics\n\n";
payload += getStatString();
Response response = new Response(ResponseCode.CONTENT);
response.setPayload(payload);
response.getOptions().setContentFormat(MediaTypeRegistry.TEXT_PLAIN);
exchange.respond(response);
}
@Override
public void handlePOST(CoapExchange exchange) {
// TODO include stopping the writing => make something for the whole
// proxy
// executor.shutdown();
// request.respond(CodeRegistry.RESP_DELETED, "Stopped",
// MediaTypeRegistry.TEXT_PLAIN);
// starting to log the stats on a new file
// create the new file
String logName = System.nanoTime() + CACHE_LOG_NAME;
final File cacheLog = new File(logName);
try {
cacheLog.createNewFile();
// write the header
com.google.common.io.Files.write(
"hits%, avg. load, #evictions \n", cacheLog, Charset.defaultCharset());
} catch (IOException e) {
}
executor.scheduleWithFixedDelay(
new Runnable() {
@Override
public void run() {
CacheStats cacheStats = cacheResource.getCacheStats().minus(relativeCacheStats);
String csvStats =
String.format(
"%.3f, %.3f, %d %n",
cacheStats.hitRate(),
cacheStats.averageLoadPenalty(),
cacheStats.evictionCount());
try {
com.google.common.io.Files.append(csvStats, cacheLog, Charset.defaultCharset());
} catch (IOException e) {
}
}
},
0,
DEFAULT_LOGGING_DELAY,
TimeUnit.SECONDS);
Response response = new Response(ResponseCode.CREATED);
response.setPayload("Creted log: " + logName);
response.getOptions().setContentFormat(MediaTypeRegistry.TEXT_PLAIN);
exchange.respond(response);
}
