omidp

import org.springframework.util.MultiValueMap;



public class GatewayContext {

    public static final String CACHE_GATEWAY_CONTEXT = "cacheGatewayContext";

    /**
     * cache json body

omidp

vi pdmonitor.sh

###########
#!/bin/sh

while true
do
date
ps -p [PID] -o %cpu,%mem
sleep 5

omidp

import org.apache.http.client.config.RequestConfig;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class ClientHttpPoolConfiguration {

omidp

netstat -anp | grep :80 | grep ESTABLISHED | wc -l
netstat -anp | grep :80 | grep WAITED | wc -l

omidp

https://www.cedric-dumont.com/2017/02/01/install-apache-benchmarking-tool-ab-on-windows/

https://www.apachelounge.com/download/

ab -n 100 -c 10 http://yourserver/yourapi

# content.json contains the json you want to post
# -p means to POST it
# -H adds an Auth header (could be Basic or Token)
# -T sets the Content-Type

omidp

package com.cloud.gateway.app;

import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.setResponseStatus;

import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
import org.springframework.cloud.gateway.support.HttpStatusHolder;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;

omidp

System.out.println(env);
    	List<InstanceInfo> instanceList = dc.getApplication("USER-SERVICE").getInstances().stream().filter(f->{
    		return f.getMetadata() != null && env.equals(f.getMetadata().get("env"));
    	}).collect(Collectors.toList());
    	int randomElementIndex
    	  = ThreadLocalRandom.current().nextInt(instanceList.size()) % instanceList.size();
    	InstanceInfo instanceInfo = instanceList.get(randomElementIndex);
    	System.out.println(instanceInfo.getHomePageUrl());
      
      

omidp

#!/bin/sh

cat >dependencies.dot <<EOF
digraph g {
graph [
    rankdir = "LR" 
];   
node [
    fontsize = "12" 
    fontname = "Courier"

omidp

void insertIntoMDC(ServletRequest request, String userName) {
        MDC.put(USER_NAME_MDC_KEY, userName);
        MDC.put(ClassicConstants.REQUEST_REMOTE_HOST_MDC_KEY, request.getRemoteHost());

        if (request instanceof HttpServletRequest) {
            HttpServletRequest httpServletRequest = (HttpServletRequest) request;
            MDC.put(ClassicConstants.REQUEST_REQUEST_URI, httpServletRequest.getRequestURI());
            StringBuffer requestURL = httpServletRequest.getRequestURL();
            if (requestURL != null) {
                MDC.put(ClassicConstants.REQUEST_REQUEST_URL, requestURL.toString());

omidp

xfreerdp +clipboard /u:admin /v:46.ip +toggle-fullscreen /w:1024 /h:768 /drive:shared,/home/omidp/temp