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Example 1 with AdminResponsePacket

use of edu.umass.cs.gnsserver.gnsapp.packet.admin.AdminResponsePacket in project GNS by MobilityFirst.

the class AdminListener method handlePacket.

/**
   * Handle an incoming admin packet.
   *
   * @param incomingJSON
   * @param incomingSocket
   * @param handler
   */
public void handlePacket(JSONObject incomingJSON, Socket incomingSocket, ClientRequestHandlerInterface handler) {
    try {
        switch(Packet.getPacketType(incomingJSON)) {
            case DUMP_REQUEST:
                DumpRequestPacket<String> dumpRequestPacket = new DumpRequestPacket<>(incomingJSON, handler.getGnsNodeConfig());
                if (dumpRequestPacket.getPrimaryNameServer() == null) {
                    // OUTGOING - multicast it to all the nameservers
                    int id = dumpRequestPacket.getId();
                    ClientCommandProcessorConfig.getLogger().info("ListenerAdmin: Dump request from local server");
                    JSONObject json = dumpRequestPacket.toJSONObject();
                    Set<String> serverIds = handler.getNodeConfig().getActiveReplicas();
                    //Set<NodeIDType> serverIds = handler.getGnsNodeConfig().getNodeIDs();
                    replicationMap.put(id, serverIds.size());
                    Packet.multicastTCP(handler.getGnsNodeConfig(), serverIds, json, 2, PortOffsets.SERVER_ADMIN_PORT, null);
                    ClientCommandProcessorConfig.getLogger().log(Level.INFO, "ListenerAdmin: Multicast out to {0} hosts for {1} --> {2}", new Object[] { serverIds.size(), id, dumpRequestPacket.toString() });
                } else {
                    // INCOMING - send it out to original requester
                    DumpRequestPacket<String> incomingPacket = new DumpRequestPacket<>(incomingJSON, handler.getGnsNodeConfig());
                    int incomingId = incomingPacket.getId();
                    handler.getAdmintercessor().handleIncomingDumpResponsePackets(incomingJSON, handler);
                    ClientCommandProcessorConfig.getLogger().log(Level.FINEST, "ListenerAdmin: Relayed response for {0} --> {1}", new Object[] { incomingId, dumpRequestPacket.toJSONObject() });
                    int remaining = replicationMap.get(incomingId);
                    remaining -= 1;
                    if (remaining > 0) {
                        replicationMap.put(incomingId, remaining);
                    } else {
                        ClientCommandProcessorConfig.getLogger().log(Level.INFO, "ListenerAdmin: Saw last response for {0}", incomingId);
                        replicationMap.remove(incomingId);
                        SentinalPacket sentinelPacket = new SentinalPacket(incomingId);
                        handler.getAdmintercessor().handleIncomingDumpResponsePackets(sentinelPacket.toJSONObject(), handler);
                    }
                }
                break;
            case ADMIN_REQUEST:
                AdminRequestPacket incomingPacket = new AdminRequestPacket(incomingJSON);
                switch(incomingPacket.getOperation()) {
                    // deliberately nothing here for now
                    default:
                        ClientCommandProcessorConfig.getLogger().log(Level.SEVERE, "Unknown admin request in packet: {0}", incomingJSON);
                        break;
                }
                break;
            case ADMIN_RESPONSE:
                // forward any admin response packets recieved from NSs back to client
                AdminResponsePacket responsePacket = new AdminResponsePacket(incomingJSON);
                handler.getAdmintercessor().handleIncomingAdminResponsePackets(responsePacket.toJSONObject());
                break;
            default:
                ClientCommandProcessorConfig.getLogger().log(Level.SEVERE, "Unknown packet type in packet: {0}", incomingJSON);
                break;
        }
    } catch (JSONException | IllegalArgumentException | SecurityException | ParseException e) {
        ClientCommandProcessorConfig.getLogger().log(Level.WARNING, "Ignoring error handling packets: {0}", e);
        e.printStackTrace();
    }
}
Also used : SentinalPacket(edu.umass.cs.gnsserver.gnsapp.packet.admin.SentinalPacket) AdminRequestPacket(edu.umass.cs.gnsserver.gnsapp.packet.admin.AdminRequestPacket) JSONException(org.json.JSONException) DumpRequestPacket(edu.umass.cs.gnsserver.gnsapp.packet.admin.DumpRequestPacket) AdminResponsePacket(edu.umass.cs.gnsserver.gnsapp.packet.admin.AdminResponsePacket) JSONObject(org.json.JSONObject) ParseException(java.text.ParseException)

Example 2 with AdminResponsePacket

use of edu.umass.cs.gnsserver.gnsapp.packet.admin.AdminResponsePacket in project GNS by MobilityFirst.

the class Admintercessor method handleIncomingAdminResponsePackets.

/**
   * Processes incoming AdminResponse packets.
   *
   * @param json
   */
public void handleIncomingAdminResponsePackets(JSONObject json) {
    try {
        switch(Packet.getPacketType(json)) {
            case ADMIN_RESPONSE:
                // put the records in dumpResult and let the folks waiting know they are ready
                try {
                    AdminResponsePacket response = new AdminResponsePacket(json);
                    int id = response.getId();
                    ClientCommandProcessorConfig.getLogger().log(Level.FINER, "Processing admin response for {0}", id);
                    synchronized (adminResponseMonitor) {
                        adminResult.put(id, response.getJsonObject());
                        adminResponseMonitor.notifyAll();
                    }
                } catch (JSONException e) {
                    ClientCommandProcessorConfig.getLogger().log(Level.WARNING, "JSON error during admin response processing: {0}", e);
                } catch (ParseException e) {
                    ClientCommandProcessorConfig.getLogger().log(Level.WARNING, "Parse error during admin response processing: {0}", e);
                }
                break;
        }
    } catch (JSONException e) {
        ClientCommandProcessorConfig.getLogger().log(Level.WARNING, "JSON error while getting packet type: {0}", e);
    }
}
Also used : AdminResponsePacket(edu.umass.cs.gnsserver.gnsapp.packet.admin.AdminResponsePacket) JSONException(org.json.JSONException) ParseException(java.text.ParseException)

Aggregations

AdminResponsePacket (edu.umass.cs.gnsserver.gnsapp.packet.admin.AdminResponsePacket)2 ParseException (java.text.ParseException)2 JSONException (org.json.JSONException)2 AdminRequestPacket (edu.umass.cs.gnsserver.gnsapp.packet.admin.AdminRequestPacket)1 DumpRequestPacket (edu.umass.cs.gnsserver.gnsapp.packet.admin.DumpRequestPacket)1 SentinalPacket (edu.umass.cs.gnsserver.gnsapp.packet.admin.SentinalPacket)1 JSONObject (org.json.JSONObject)1