public StreamData getStream(UUID streamID) {
// probably should do this over UDP.
try {
JSONRPC2Request jr = new JSONRPC2Request("getstream", id.getAndIncrement());
Map<String, Object> params = new HashMap<String, Object>();
params.put("streamid", streamID.toString());
jr.setNamedParams(params);
JSONRPC2Response jres = jsonSession.send(jr);
if (jres.indicatesSuccess()) {
Map<String, Object> jo = (Map<String, Object>) jres.getResult();
if ((Boolean) jo.get("present")) {
StreamData sd = new StreamData();
sd.currentLog = UUID.fromString((String) jo.get("currentlog"));
sd.startPos = (Long) jo.get("startpos");
sd.epoch = (Long) jo.get("epoch");
sd.startLog = UUID.fromString((String) jo.get("startlog"));
return sd;
} else {
return null;
}
}
} catch (Exception e) {
log.error("other error", e);
return null;
}
return null;
}
public void resetAll() {
try {
JSONRPC2Request jr = new JSONRPC2Request("reset", id.getAndIncrement());
JSONRPC2Response jres = jsonSession.send(jr);
if (jres.indicatesSuccess() && (Boolean) jres.getResult()) {}
} catch (Exception e) {
}
}
/**
* Force the configuration master to install a new view. This method should only be called during
* testing.
*
* @param v The new view to install.
*/
@Override
public void forceNewView(CorfuDBView v) {
try {
JSONRPC2Request jr = new JSONRPC2Request("newview", id.getAndIncrement());
Map<String, Object> params = new HashMap<String, Object>();
params.put("newview", v.getSerializedJSONView().toString());
jr.setNamedParams(params);
JSONRPC2Response jres = jsonSession.send(jr);
if (jres.indicatesSuccess() && (Boolean) jres.getResult()) {}
} catch (Exception e) {
}
}
public boolean ping() {
try {
JSONRPC2Request jr = new JSONRPC2Request("ping", id.getAndIncrement());
JSONRPC2Response jres = jsonSession.send(jr);
if (jres.indicatesSuccess() && jres.getResult().equals("pong")) {
return true;
}
} catch (Exception e) {
return false;
}
return false;
}
public String getLog(UUID logID) {
try {
JSONRPC2Request jr = new JSONRPC2Request("getlog", id.getAndIncrement());
Map<String, Object> params = new HashMap<String, Object>();
params.put("logid", logID.toString());
jr.setNamedParams(params);
JSONRPC2Response jres = jsonSession.send(jr);
if (jres.indicatesSuccess()) {
return (String) jres.getResult();
}
return null;
} catch (Exception e) {
return null;
}
}
/**
* Request reconfiguration due to a network exception.
*
* @param e The network exception that caused the reconfiguration request.
*/
@Override
public void requestReconfiguration(NetworkException e) {
try {
JSONRPC2Request jr = new JSONRPC2Request("reconfig", id.getAndIncrement());
Map<String, Object> params = new HashMap<String, Object>();
if (e != null) {
params.put(
"exception",
java.util.Base64.getEncoder().encodeToString(Serializer.serialize_compressed(e)));
}
jr.setNamedParams(params);
JSONRPC2Response jres = jsonSession.send(jr);
if (jres.indicatesSuccess() && (Boolean) jres.getResult()) {}
} catch (Exception ex) {
}
}
public boolean addLog(UUID logID, String path) {
try {
JSONRPC2Request jr = new JSONRPC2Request("addlog", id.getAndIncrement());
Map<String, Object> params = new HashMap<String, Object>();
params.put("logid", logID.toString());
params.put("path", path);
jr.setNamedParams(params);
JSONRPC2Response jres = jsonSession.send(jr);
if (jres.indicatesSuccess() && (Boolean) jres.getResult()) {
return true;
}
return false;
} catch (Exception e) {
return false;
}
}
@SuppressWarnings("unchecked")
public Map<UUID, String> getAllLogs() {
try {
JSONRPC2Request jr = new JSONRPC2Request("getalllogs", id.getAndIncrement());
JSONRPC2Response jres = jsonSession.send(jr);
if (jres.indicatesSuccess()) {
Map<UUID, String> resultMap = new HashMap<UUID, String>();
Map<String, String> iresultMap = (Map<String, String>) jres.getResult();
for (String s : iresultMap.keySet()) {
resultMap.put(UUID.fromString(s), iresultMap.get(s));
}
return resultMap;
}
return null;
} catch (Exception e) {
return null;
}
}
public boolean addStreamCM(UUID logID, UUID streamID, long pos, boolean nopass) {
try {
JSONRPC2Request jr = new JSONRPC2Request("addstream", id.getAndIncrement());
Map<String, Object> params = new HashMap<String, Object>();
params.put("logid", logID.toString());
params.put("streamid", streamID.toString());
params.put("startpos", pos);
params.put("nopass", nopass);
jr.setNamedParams(params);
JSONRPC2Response jres = jsonSession.send(jr);
if (jres.indicatesSuccess() && (Boolean) jres.getResult()) {
return true;
}
return false;
} catch (Exception e) {
log.debug("Error sending addstream", e);
return false;
}
}
public CorfuDBConfigMasterProtocol(
String host, Integer port, Map<String, String> options, Long epoch) {
this.host = host;
this.port = port;
this.options = options;
this.epoch = epoch;
this.id = new AtomicInteger();
try {
jsonSession = new JSONRPC2Session(new URL("http://" + host + ":" + port + "/control"));
JSONRPC2SessionOptions opts = new JSONRPC2SessionOptions();
opts.setReadTimeout(5000);
jsonSession.setOptions(opts);
// client = new Client(8192,8192);
// IGossip.registerSerializer(client.getKryo());
// client.start();
// client.connect(5000, host, port+1, port+1);
} catch (Exception ex) {
log.warn("Failed to connect to endpoint " + getFullString(), ex);
throw new RuntimeException("Failed to connect to endpoint");
}
}