Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. mvn exec:java@HSMART_SMS_CONSUMERS_1000 -Dhsmart-config-path=/home/vibhor/installs/HSMART2/config */ package com.netcore.hsmart.smsconsumers; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.hazelcast.core.IMap; import com.netcore.hsmart.AppConstants; import com.netcore.hsmart.Utilities; import com.rabbitmq.client.AMQP; import com.rabbitmq.client.Connection; import com.rabbitmq.client.Channel; import com.rabbitmq.client.Consumer; import com.rabbitmq.client.DefaultConsumer; import com.rabbitmq.client.Envelope; import com.rabbitmq.client.Method; import com.rabbitmq.client.ShutdownListener; import com.rabbitmq.client.ShutdownSignalException; import java.io.IOException; import java.math.BigInteger; import java.net.URI; import java.util.Arrays; import java.util.HashMap; import java.util.Map; import java.util.concurrent.TimeoutException; import javax.ws.rs.client.Client; import javax.ws.rs.client.ClientBuilder; import javax.ws.rs.client.Invocation; import javax.ws.rs.client.WebTarget; import javax.ws.rs.core.Response; import org.glassfish.jersey.client.ClientConfig; import org.glassfish.jersey.client.ClientProperties; import javax.ws.rs.ProcessingException; import java.util.logging.Level; import java.text.SimpleDateFormat; import java.util.Date; import org.apache.commons.configuration2.ex.ConfigurationException; import org.apache.logging.log4j.ThreadContext; import org.json.JSONObject; import java.net.URLDecoder; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import org.glassfish.jersey.grizzly.connector.GrizzlyConnectorProvider; /** * * @author root */ public class SmsConsumer556 { private static final int COUNTERS = ((System.getProperty("thread-count") != null) ? Integer.parseInt(System.getProperty("thread-count")) : 1); public static void main(String args[]) throws Exception { ExecutorService executor = Executors.newCachedThreadPool(); for (int i = 1; i <= COUNTERS; i++) { Runnable worker = new SmsConsumer556Runnable(Integer.toString(i)); executor.execute(worker); } } /** * *******worker class******** */ public static class SmsConsumer556Runnable implements Runnable { private final static String GATEWAY_ID = "556"; private final static String GATEWAY_URL = "http://203.90.117.146/SMSAPI/SMS_PUSH.asp"; private final static String API_SUCCESS_CALL_STATUS_VAL = "SUCCESS"; private Map<String, String> API_CALL_STATS = new HashMap<>(); private Map<String, String> DATA_POSTED = new HashMap<>(); private final String threadId; private final static String NULLSTR = "null"; private final ClientConfig CLIENT_CONFIG = new ClientConfig() .connectorProvider(new GrizzlyConnectorProvider()); private Client CLIENT = ClientBuilder.newClient(CLIENT_CONFIG); private static IMap<String, String> refIdMap = null; // Thread runner; public SmsConsumer556Runnable(String str) { CLIENT_CONFIG.property(ClientProperties.CONNECT_TIMEOUT, 10000); CLIENT_CONFIG.property(ClientProperties.READ_TIMEOUT, 10000); CLIENT = ClientBuilder.newClient(CLIENT_CONFIG); threadId = str; } /** * @param args * the command line arguments * @throws java.lang.Exception */ // public static void main(String[] args) throws Exception { @Override public void run() { ThreadContext.put("gatewayId", GATEWAY_ID); try { AppConstants.loadAppConfig(); } catch (ConfigurationException ex) { java.util.logging.Logger.getLogger(this.getClass().getSimpleName()).log(Level.SEVERE, null, ex); } Logger logger = LoggerFactory.getLogger(this.getClass()); refIdMap = AppConstants.getHazelcastClient().getMap(GATEWAY_ID + "_REF_ID_MAP"); try { // Connection connection = // AppConstants.getRabbitMqObject().newConnection(); AppConstants.getRabbitMqConnection().addShutdownListener(new ShutdownListener() { @Override public void shutdownCompleted(ShutdownSignalException cause) { // throw new UnsupportedOperationException("Not // supported yet."); if (cause.isHardError()) { Connection conn; conn = (Connection) cause.getReference(); if (!cause.isInitiatedByApplication()) { Method reason = cause.getReason(); logger.info("REASON:" + reason.toString()); } } else { Channel ch = (Channel) cause.getReference(); logger.info("NO HARDSHUTDOWN"); } } }); Channel channel = AppConstants.getRabbitMqConnection().createChannel(); channel.exchangeDeclare(AppConstants.getSmsReceiverExchangeName(), "direct"); channel.queueDeclare(AppConstants.getSmsReceiverQueuePrefix() + GATEWAY_ID, true, false, false, null); channel.queueBind(AppConstants.getSmsReceiverQueuePrefix() + GATEWAY_ID, AppConstants.getSmsReceiverExchangeName(), GATEWAY_ID); channel.basicQos(1000); // channel.addShutdownListener(listener); logger.info(" [*] Waiting for messages from gateway " + GATEWAY_ID + ". To exit press CTRL+C"); Consumer consumer; consumer = new DefaultConsumer(channel) { @Override public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException { ThreadContext.put("gatewayId", GATEWAY_ID); String payload = new String(body, "UTF-8"); String payloadParts[] = payload.split(AppConstants.getPayloadGroupSeparator()); for (String payloadPart : payloadParts) { String s[] = payloadPart.split(AppConstants.getPayloadKVSeparator()); DATA_POSTED.put(s[0], s[1]); } logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|START+++++++++++++++"); logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|PAYLOAD:" + payload); long deliveryTag = envelope.getDeliveryTag(); if (invokeApiCall()) { if (saveRequestData()) { channel.basicAck(deliveryTag, false); } else { channel.basicNack(deliveryTag, false, true); } } else { channel.basicNack(deliveryTag, false, true); } /** * release memory */ logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|END-----------------"); API_CALL_STATS.clear(); DATA_POSTED.clear(); payloadParts = null; } }; String cTag = channel.basicConsume(AppConstants.getSmsReceiverQueuePrefix() + GATEWAY_ID, false, consumer); logger.info("CONSUMER TAG : " + cTag); } catch (IOException e) { logger.error("RMQ_ERROR:" + e.getMessage()); } } private boolean invokeApiCall() { ThreadContext.put("gatewayId", GATEWAY_ID); Logger logger = LoggerFactory.getLogger(this.getClass()); try { String lang = "U"; String msg = null; switch (DATA_POSTED.get("message_type")) { case "1": lang = "E"; msg = DATA_POSTED.get("message"); break; case "2": lang = "U"; byte[] msgBytes = URLDecoder.decode(DATA_POSTED.get("message"), "UTF-8").getBytes("UTF-16BE"); BigInteger bigInt = new BigInteger(msgBytes); String hexString = bigInt.toString(16); // 16 is the radix StringBuilder buffer = new StringBuilder(); while ((buffer.length() + hexString.length()) < (2 * msgBytes.length)) { buffer.append("0"); } buffer.append(hexString); msg = buffer.toString(); break; } WebTarget webTarget = CLIENT.target(GATEWAY_URL + "?msg=" + msg); WebTarget msisdnParam = webTarget.queryParam("MSISDN", DATA_POSTED.get("msisdn")); WebTarget senderParam = msisdnParam.queryParam("s", DATA_POSTED.get("sender_id")); WebTarget langParam = senderParam.queryParam("lang", lang); URI u = langParam.getUri(); //logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|URI:" + u.toString() + "|LENGTH:" + u.getQuery().length()); Invocation.Builder invocationBuilder = langParam.request(); long startTime = System.currentTimeMillis(); Response response = invocationBuilder.get(); long elapsedTime = System.currentTimeMillis() - startTime; String responseText = response.readEntity(String.class); Integer responseStatus = response.getStatus(); //logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|LATENCY:" + elapsedTime + "ms"); API_CALL_STATS.put("ref_id", DATA_POSTED.get("ref_id")); API_CALL_STATS.put("gateway_id", DATA_POSTED.get("gateway_id")); API_CALL_STATS.put("uri", u.toString()); API_CALL_STATS.put("latency", String.valueOf(elapsedTime)); //logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|HTTP_STATUS:" + responseStatus); //logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|RESPONSE_TEXT:" + responseText); API_CALL_STATS.put("http_status", responseStatus.toString()); API_CALL_STATS.put("response_text", responseText); response.close(); // CLIENT.close(); return parseVendorApiResponse(responseStatus, responseText); } catch (ProcessingException e) { logger.error("REF_ID: " + DATA_POSTED.get("ref_id") + "|VENDOR_API_CALL_ERROR:" + e.getMessage() + Arrays.toString(e.getStackTrace())); return false; } catch (Exception ex) { logger.error("REF_ID: " + DATA_POSTED.get("ref_id") + "|INVOKE_FUN_ERROR: " + ex.getMessage() + Arrays.toString(ex.getStackTrace())); return false; } } private boolean parseVendorApiResponse(Integer responseStatus, String responseText) { ThreadContext.put("gatewayId", GATEWAY_ID); Logger logger = LoggerFactory.getLogger(this.getClass()); // String nullStr = "NULL"; // logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|MSG_COUNT:" + NULLSTR); // logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|API_CALL_STATUS:" + responseText); // // logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|MSG_ID:" + NULLSTR); // logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|PRICE:" + NULLSTR); // logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|BALANCE:" + NULLSTR); API_CALL_STATS.put("msg_count", NULLSTR); API_CALL_STATS.put("api_call_status", responseText); API_CALL_STATS.put("msg_id", NULLSTR); API_CALL_STATS.put("price", NULLSTR); API_CALL_STATS.put("balance", NULLSTR); /** * If http status other than 200 - fail if response status string * not equal to success status - fail Action: build DLR API url with * instant_dlr=true param and post to DLR receiver server */ if ((responseText == null ? API_SUCCESS_CALL_STATUS_VAL != null : !responseText.equals(API_SUCCESS_CALL_STATUS_VAL)) || !"200".equals(responseStatus.toString())) { //logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|API_CALL_ERROR_TEXT:" + responseText); API_CALL_STATS.put("api_call_error_text", responseText); //logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|API_CALL_FAIL"); } else { //logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|API_CALL_ERROR_TEXT:" + NULLSTR); API_CALL_STATS.put("api_call_error_text", NULLSTR); //logger.info("REF_ID:" + DATA_POSTED.get("ref_id") + "|API_CALL_SUCCESS"); } refIdMap.put(DATA_POSTED.get("ref_id"), DATA_POSTED.get("ref_id")); callDlrApi(); return true; } private void callDlrApi() { ThreadContext.put("gatewayId", GATEWAY_ID); Logger logger = LoggerFactory.getLogger(this.getClass()); Map<String, String> INSTANT_DLR_STATS = new HashMap<>(); //logger.info("REF_ID:" + API_CALL_STATS.get("ref_id") + "|SENDING_INSTANT_DLR"); INSTANT_DLR_STATS.put("status", API_CALL_STATS.get("api_call_status")); INSTANT_DLR_STATS.put("gateway_id", GATEWAY_ID); INSTANT_DLR_STATS.put("ref_id", API_CALL_STATS.get("ref_id")); INSTANT_DLR_STATS.put("error_code", API_CALL_STATS.get("api_call_status")); //NOTE: dlr_type set as DLR intead of API //NEVER DO this for other gateway INSTANT_DLR_STATS.put("dlr_type", "DLR"); INSTANT_DLR_STATS.put("delivery_time", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date())); try { JSONObject jobj = new JSONObject(INSTANT_DLR_STATS); String g = Utilities.encrypt(jobj.toString()); Channel channel = AppConstants.getRabbitMqConnection().createChannel(); channel.exchangeDeclare(AppConstants.getDlrReceiverExchangeName(), "direct"); channel.queueDeclare(AppConstants.getDlrReceiverQueuePrefix() + GATEWAY_ID, true, false, false, null); channel.queueBind(AppConstants.getDlrReceiverQueuePrefix() + GATEWAY_ID, AppConstants.getDlrReceiverExchangeName(), GATEWAY_ID); channel.basicPublish(AppConstants.getDlrReceiverExchangeName(), GATEWAY_ID, null, g.getBytes()); channel.close(); //logger.info("REF_ID:" + API_CALL_STATS.get("ref_id") + "|INSTANT_DLR_DATA:" + g); g = null; } catch (Exception ex) { logger.info("REF_ID:" + API_CALL_STATS.get("ref_id") + "|ERROR_PUBLISHING_INSTANT_DLR_DATA:" + ex.getMessage()); } } private boolean saveRequestData() { ThreadContext.put("gatewayId", GATEWAY_ID); Logger logger = LoggerFactory.getLogger(this.getClass()); try { JSONObject jobj = new JSONObject(API_CALL_STATS); String g = Utilities.encrypt(jobj.toString()); Channel channel = AppConstants.getRabbitMqConnection().createChannel(); channel.exchangeDeclare(AppConstants.getSmsDataExchangeName(), "direct"); channel.queueDeclare(AppConstants.getSmsDataQueuePrefix() + GATEWAY_ID, true, false, false, null); channel.queueBind(AppConstants.getSmsDataQueuePrefix() + GATEWAY_ID, AppConstants.getSmsDataExchangeName(), GATEWAY_ID); channel.basicPublish(AppConstants.getSmsDataExchangeName(), GATEWAY_ID, null, g.getBytes()); channel.close(); //logger.info("REF_ID:" + API_CALL_STATS.get("ref_id") + "|DB_DATA:" + g); g = null; } catch (Exception ex) { logger.info( "REF_ID:" + API_CALL_STATS.get("ref_id") + "|ERROR_PUBLISHING_SMS_DATA:" + ex.getMessage()); } return true; } } }