feat: add test code of 1 million tcp connection

tests/network/test02/c/Makefile

@@ -0,0 +1,39 @@
+CLIENT_BINARY_NAME := "test-client"
+SERVER_BINARY_NAME := "test-server"
+
+.PHONY: ping
+ping:
+	sh tool.sh ping
+
+.PHONY: ifup
+ifup:
+	sh tool.sh ifup
+
+.PHONY: ifdown
+ifdown:
+	sh tool.sh ifdown
+
+.PHONY: build-cli
+build-cli:
+	gcc client.c -o $(CLIENT_BINARY_NAME)
+
+.PHONY: run-cli
+run-cli: build-cli
+	sh tool.sh runcli ./$(CLIENT_BINARY_NAME)
+
+.PHONY: stop-cli
+stop-cli:
+	sh tool.sh stopcli ./$(CLIENT_BINARY_NAME)
+
+.PHONY: build-srv
+build-srv:
+	gcc server.c -o $(SERVER_BINARY_NAME)
+
+.PHONY: run-srv
+run-srv: build-srv
+	sh tool.sh runsrv ./$(SERVER_BINARY_NAME)
+
+.PHONY: clean
+clean:
+	rm -f ${CLIENT_BINARY_NAME}
+	rm -f $(SERVER_BINARY_NAME)

tests/network/test02/c/client.c

@@ -0,0 +1,85 @@
+#include <netinet/in.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <arpa/inet.h> 
+
+#define MAX_CONNECTION_NUM 50000
+
+int buildConnect(const char *lIp, const char *sIp, int sPort)
+{
+    int skFd; 
+    if((skFd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+    {
+        printf("\n Error : Could not create socket\n");
+        return 0;
+    }
+
+    struct sockaddr_in cliAddr;
+    cliAddr.sin_family = AF_INET;
+    cliAddr.sin_addr.s_addr = inet_addr(lIp);
+    cliAddr.sin_port = 0;
+    if(bind(skFd,  (struct sockaddr *)&cliAddr, sizeof(cliAddr)) < 0)
+    {
+        printf("\n Error : Bind Failed \n");
+    }
+
+    struct sockaddr_in srvAddr;
+    srvAddr.sin_family = AF_INET;
+    srvAddr.sin_addr.s_addr = inet_addr(sIp);
+    srvAddr.sin_port = htons(sPort); 
+    if(connect(skFd, (struct sockaddr *)&srvAddr, sizeof(srvAddr)) < 0)
+    {
+       printf("\n Error : Connect Failed \n");
+       return 0;
+    } 
+
+    return skFd;
+}
+
+int main(int argc, char *argv[])
+{
+    int i = 0, sPort, fd;
+    char lIp[16], sIp[16];
+
+    if(argc != 4)
+    {
+        printf("\n Usage: %s <local ip> <server ip> <server port>\n", argv[0]);
+        return 1;
+    }
+
+    //1. 从命令行获取并解析local ip、server ip以及端口
+    strcpy(lIp, argv[1]);
+    strcpy(sIp, argv[2]);
+    sPort = atoi(argv[3]);
+    
+    //2. 开始建立连接
+    int *sockets = (int *)malloc(sizeof(int) * MAX_CONNECTION_NUM);
+    for(i = 1; i <= MAX_CONNECTION_NUM; i++)
+    {
+        if(0 == i % 1000)
+        {//稍稍停顿一下，避免把服务端的握手队列打满
+            printf("%s 连接 %s:%d成功了 %d 条！\n", lIp, sIp, sPort, i);
+            sleep(1);
+        }
+        
+        fd = buildConnect(lIp, sIp, sPort);
+        if(fd > 0)
+        {
+            sockets[i-1] = fd;
+        }else{
+            return 1;
+        }
+    }
+    sleep(300);
+
+    //3. 释放所有的连接
+    printf("关闭所有的连接...\n");
+    for(i = 0; i < MAX_CONNECTION_NUM; i++)
+    {
+        close(sockets[i]);
+    }
+ 
+    return 0;
+}

tests/network/test02/c/server.c

@@ -0,0 +1,55 @@
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_CONNECTION_NUM 1100000
+
+int main(int argc, char *argv[])
+{
+    char ip[16];
+    int lisFd, conFd, port;
+    struct sockaddr_in servAddr; 
+
+    if(argc != 3)
+    {
+        printf("\n Usage: %s <server ip> <server port>\n", argv[0]);
+        return 1;
+    }
+
+    //1. 从命令行获取并解析server ip以及端口
+    strcpy(ip, argv[1]);
+    port = atoi(argv[2]);
+
+    //2. 创建server
+    if((lisFd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+    {
+        printf("\n Error : Could not create socket\n");
+        return 0;
+    }
+
+    servAddr.sin_family = AF_INET;
+    servAddr.sin_addr.s_addr = inet_addr(ip);
+    servAddr.sin_port = htons(port); 
+    if(bind(lisFd, (struct sockaddr*)&servAddr, sizeof(servAddr)) < 0)
+    {
+        printf("\n Error : Bind Failed \n");
+    }
+    if((listen(lisFd, 1024)) < 0)
+    {
+        printf("\n Error : Listen Failed \n");
+    }
+
+    //3. 接收连接
+    int i = 0;
+    int *sockets = (int *)malloc(sizeof(int) * MAX_CONNECTION_NUM);
+    while(1)
+    {
+        conFd = accept(lisFd, (struct sockaddr*)NULL, NULL); 
+        if(conFd > 0)
+        {
+            sockets[i++] = conFd;
+            printf("%s %d accept success:%d\n", ip, port, i);
+        }
+    }
+}

tests/network/test02/c/tool.sh

@@ -0,0 +1,83 @@
+#!/bin/bash
+
+#---------------------------  begin -------------------------
+#注意：这一部分的内容需要根据你自己的实验环境来设置
+
+#1.客户端 IP 列表：选择20个，且不能在局域网中存在
+# 示例
+# IPS=(
+#    "192.168.1.200"
+#    "192.168.1.201"
+# )
+
+IPS=(
+    "192.168.1.200"
+    "192.168.1.201"
+)
+
+#2.客户端 IP 对应的子网掩码
+#示例：
+#NETMASK="255.255.248.0"
+NETMASK="255.255.248.0"
+
+#3.服务端的 IP 和 端口
+#示例
+#SERVERIP="192.168.1.100"
+#SERVERPORT="8090"
+SERVERIP="192.168.1.100"
+SERVERPORT="8090"
+#---------------------------   end  -------------------------
+
+TYPE=$1
+
+exec_ping(){
+    for i in "${!IPS[@]}"; do
+        ping -c 1 -W 1 ${IPS[$i]} > /dev/null
+        if [[ $? != 0 ]];then 
+            echo ${IPS[$i]}" false"
+        else
+            echo ${IPS[$i]}" true"
+        fi
+    done 
+}
+
+exec_ifup(){
+    for i in "${!IPS[@]}"; do
+        echo ifconfig eth0:$i ${IPS[$i]} netmask $NETMASK up
+        ifconfig eth0:$i ${IPS[$i]} netmask $NETMASK up
+    done
+}
+
+exec_ifdown(){
+    for i in "${!IPS[@]}"; do
+        echo ifconfig eth0:$i down
+        ifconfig eth0:$i down
+    done
+}
+
+exec_runcli(){
+    for i in "${!IPS[@]}"; do
+        echo  $CLIENT ${IPS[$i]} $SERVERIP $SERVERPORT
+        $CLIENT ${IPS[$i]} $SERVERIP $SERVERPORT  &
+    done
+}
+
+exec_stopcli(){
+    ps -ef | grep $CLIENT | awk '{print $2}' | xargs kill -9 > /dev/null
+}
+
+exec_runsrv(){
+    echo $SERVER 0.0.0.0 $SERVERPORT
+    $SERVER 0.0.0.0 $SERVERPORT
+}
+
+case $TYPE in
+    "ping")  exec_ping;;
+    "ifup")  exec_ifup;;
+    "ifdown")  exec_ifdown;;
+    "runcli")  CLIENT=$2; exec_runcli;;
+    "stopcli")  CLIENT=$2; exec_stopcli;;
+    "runsrv")  SERVER=$2; exec_runsrv;;
+    *)  echo "get unkown type $TYPE"; exit ;;
+esac
+

tests/network/test02/clientd.php

@@ -1,28 +0,0 @@
-<?php
-
-/**
- * Socket客户端
- */
-
-require("ports.php");
-
-//这里填写你的服务器ip
-$serverIp = "";
-
-$cmd = "ps -ef | grep client.php | awk '{print $2}' | xargs kill -9";
-shell_exec($cmd);
-shell_exec("echo '' > clientd.log");
-
-if(isset($argv[1]) && "stop"==$argv[1]){
-    exit;
-}
-
-foreach($ports as $port){
-    $tCommand = "php client.php $serverIp $port >> clientd.log &";
-    echo $tCommand."\n";
-    shell_exec($tCommand);  
-    sleep(1);
-}
-
-
-

tests/network/test02/java/Client.java

@@ -0,0 +1,56 @@
+import java.net.Socket;
+import java.net.InetSocketAddress;
+ 
+public class Client {
+    
+    public static final int MAX_CONNECTION_NUM = 50000;
+
+    public static void main(String[] args) throws Exception {
+        if(3 != args.length){
+            System.out.println("Usage: java Client <local ip> <server ip> <server port>\n");
+            return;
+        }
+
+        //1. 从命令行获取并解析local ip、server ip以及端口
+        String lIp = args[0];
+        String sIp = args[1];
+        int sPort = Integer.parseInt(args[2]);
+
+        //2. 开始建立连接
+        //用数组将 socket 保存起来，防止连接被过早释放
+        Socket[] sockets = new Socket[MAX_CONNECTION_NUM];  
+        for(int i = 1; i <= MAX_CONNECTION_NUM; i++){
+            try {
+                Socket s = new Socket();
+                s.bind(new InetSocketAddress(lIp, 0));
+                s.connect(new InetSocketAddress(sIp, sPort));
+
+                if(false == s.isConnected()){
+                    System.out.println(lIp + " 连接 "+sIp+":"+sPort+" 失败！ ");
+                    return;
+                }
+                sockets[i-1] = s;
+
+            } catch (Exception e) {
+                //连接失败则小憩一会儿接着连
+                Thread.sleep(500);
+                e.printStackTrace();
+            }
+
+            //稍稍停顿一下，避免把服务端的握手队列打满
+            if(0 == i % 500){
+                Thread.sleep(500);
+                System.out.println(lIp + " 连接 "+sIp+":"+sPort+" 成功了 "+i+" 条");
+            }
+        }
+      
+        //把所有连接都 hold 一会儿，方便观察
+        Thread.sleep(300 * 1000);
+
+        //3. 释放所有的连接
+        System.out.println("关闭所有的连接...\n");
+        for(int i = 0; i < MAX_CONNECTION_NUM; i++){
+            sockets[i].close();
+        }
+   }
+}

tests/network/test02/java/Makefile

@@ -0,0 +1,38 @@
+CLIENT_BINARY_NAME := "java Client"
+SERVER_BINARY_NAME := "java Server"
+
+.PHONY: ping
+ping:
+	sh tool.sh ping
+
+.PHONY: ifup
+ifup:
+	sh tool.sh ifup
+
+.PHONY: ifdown
+ifdown:
+	sh tool.sh ifdown
+
+.PHONY: build-cli
+build-cli:
+	javac Client.java
+
+.PHONY: run-cli
+run-cli: build-cli
+	sh tool.sh runcli $(CLIENT_BINARY_NAME)
+
+.PHONY: stop-cli
+stop-cli:
+	sh tool.sh stopcli 
+
+.PHONY: build-srv
+build-srv:
+	javac Server.java
+
+.PHONY: run-srv
+run-srv: build-srv
+	sh tool.sh runsrv $(SERVER_BINARY_NAME)
+
+.PHONY: clean
+clean:
+	rm -f *.class

tests/network/test02/java/Server.java

@@ -0,0 +1,41 @@
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.InetSocketAddress;
+ 
+public class Server {
+    public static final int MAX_CONNECTION_NUM = 1100000;
+
+    public static void main(String[] args) {
+        if(2 != args.length){
+            System.out.println("Usage: java Server <server ip> <server port>\n");
+            return;
+        }
+
+        String sIp = args[0];
+        int sPort = Integer.parseInt(args[1]);
+
+        //用数组将 socket 保存起来，防止连接被过早回收
+        Socket[] sockets = new Socket[MAX_CONNECTION_NUM];
+
+        try {
+            ServerSocket ss = new ServerSocket();
+            ss.bind(new InetSocketAddress(sIp, sPort));
+            System.out.println("启动Server " + sIp + ":" + sPort + "...");
+
+            int i = 0;
+            while(true){
+                try{
+                    Socket s = ss.accept();
+                    sockets[i] = s;
+                    i++;
+                    System.out.println("Server " + sIp + ":" + sPort + " 接收到第 " + i +" 条连接！");
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

tests/network/test02/java/tool.sh

@@ -0,0 +1,83 @@
+#!/bin/bash
+
+#---------------------------  begin -------------------------
+#注意：这一部分的内容需要根据你自己的实验环境来设置
+
+#1.客户端 IP 列表：选择20个，且不能在局域网中存在
+# 示例
+# IPS=(
+#    "192.168.1.200"
+#    "192.168.1.201"
+# )
+
+IPS=(
+    "192.168.1.200"
+    "192.168.1.201"
+)
+
+#2.客户端 IP 对应的子网掩码
+#示例：
+#NETMASK="255.255.248.0"
+NETMASK="255.255.248.0"
+
+#3.服务端的 IP 和 端口
+#示例
+#SERVERIP="192.168.1.100"
+#SERVERPORT="8090"
+SERVERIP="192.168.1.100"
+SERVERPORT="8090"
+#---------------------------   end  -------------------------
+
+TYPE=$1
+
+exec_ping(){
+    for i in "${!IPS[@]}"; do
+        ping -c 1 -W 1 ${IPS[$i]} > /dev/null
+        if [[ $? != 0 ]];then 
+            echo ${IPS[$i]}" false"
+        else
+            echo ${IPS[$i]}" true"
+        fi
+    done 
+}
+
+exec_ifup(){
+    for i in "${!IPS[@]}"; do
+        echo ifconfig eth0:$i ${IPS[$i]} netmask $NETMASK up
+        ifconfig eth0:$i ${IPS[$i]} netmask $NETMASK up
+    done
+}
+
+exec_ifdown(){
+    for i in "${!IPS[@]}"; do
+        echo ifconfig eth0:$i down
+        ifconfig eth0:$i down
+    done
+}
+
+exec_runcli(){
+    for i in "${!IPS[@]}"; do
+        echo  $CLIENT ${IPS[$i]} $SERVERIP $SERVERPORT
+        $CLIENT ${IPS[$i]} $SERVERIP $SERVERPORT  &
+    done
+}
+
+exec_stopcli(){
+    ps -ef | grep java | grep Client | awk '{print $2}' | xargs kill -9 
+}
+
+exec_runsrv(){
+    echo $SERVER 0.0.0.0 $SERVERPORT
+    $SERVER 0.0.0.0 $SERVERPORT
+}
+
+case $TYPE in
+    "ping")  exec_ping;;
+    "ifup")  exec_ifup;;
+    "ifdown")  exec_ifdown;;
+    "runcli")  CLIENT=$2; exec_runcli;;
+    "stopcli")  CLIENT=$2; exec_stopcli;;
+    "runsrv")  SERVER=$2; exec_runsrv;;
+    *)  echo "get unkown type $TYPE"; exit ;;
+esac
+

tests/network/test02/php/Makefile

@@ -0,0 +1,23 @@
+.PHONY: ping
+ping:
+	sh tool.sh ping
+
+.PHONY: ifup
+ifup:
+	sh tool.sh ifup
+
+.PHONY: ifdown
+ifdown:
+	sh tool.sh ifdown
+
+.PHONY: run-cli
+run-cli: 
+	sh tool.sh runcli 
+
+.PHONY: stop-cli
+stop-cli:
+	sh tool.sh stopcli 
+
+.PHONY: run-srv
+run-srv: 
+	sh tool.sh runsrv

tests/network/test02/php/client.php

@@ -0,0 +1,76 @@
+<?php
+
+/**
+ * Socket客户端
+ */
+
+if(!isset($argv[1]) || !isset($argv[2]) || !isset($argv[3])){
+    echo "usage: php client.php {localIp} {serverIp} {serverPort}  \n";
+    exit;
+}
+
+$localIp        = $argv[1];
+$serverIp       = $argv[2];
+$serverPort     = $argv[3];
+
+$sockets = array();
+
+function buildConnect($lIp,$sIp,$sPort,$num){
+    global $sockets;
+
+    for($i = 1; $i <= $num; $i++){
+        //稍稍停顿一下，避免把服务端的握手队列打满
+        if(0 == $i % 1000){
+            sleep(1); 
+            echo $lIp." 连接 ".$sIp.":".$sPort." 成功了 ".$i." 条\n";
+        }
+
+        $socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
+        if($socket == false) {
+            echo "$lIp $sPort socket_create() 失败,".socket_strerror(socket_last_error($socket))."\n";
+            sleep(5);
+            continue;
+        }
+
+        if(false == socket_bind($socket, $lIp)){
+            echo "$lIp $sPort socket_bind() 失败,".socket_strerror(socket_last_error($socket))."\n";
+            sleep(5);
+            continue;
+        }
+
+        if(false == socket_connect($socket, $sIp, $sPort)){
+            echo "$lIp $sPort socket_connect() 失败,".socket_strerror(socket_last_error($socket))."\n";
+            sleep(5);
+            continue;
+        }
+
+        //将 socket 保存起来，避免连接被内核释放
+        $sockets[] = $socket;
+
+        //发送数据
+        //$wmsg = "I am client\n";
+        //socket_write($con, $wmsg, strlen($wmsg));
+
+        //接收数据
+        //$rmsg = socket_read($socket, 2048);
+        //echo = "收到的信息:".$rmsg."\n";    }
+    }
+}
+
+function closeAll(){
+    global $sockets;
+    foreach($sockets as $socket){
+        socket_close($socket);
+    }
+}
+
+//开始测试
+buildConnect($localIp, $serverIp, $serverPort, 50000);
+
+//连接完了 sleep 一会儿
+//这样有时间在 linux 上用 netstat、ss、slabtop 等命令进行观察
+sleep(600);
+
+//关闭所有连接
+echo "close all connection now...";
+closeAll();

tests/network/test02/php/server.php

@@ -1,55 +1,50 @@
-<?php
-
-/**
- * Socket服务端
- */
-
-set_time_limit(0);
-
-if(!isset($argv[1]) || !isset($argv[2])){
-    echo "usage: php server.php {ip} {port}\n";
-    exit;
-}
-$ip = $argv[1];
-$port = $argv[2];
-
-if(($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) < 0) {
-    echo "socket_create() 失败，" . socket_strerror($sock) . "\n";
-    exit();
-}
-
-if(($ret = socket_bind($sock, $ip, $port)) < 0) {
-    echo "socket_bind() 失败，" . socket_strerror($ret) . "\n";
-    exit();
-}
-
-if(($ret = socket_listen($sock,1024)) < 0) {
-    echo "socket_listen() 失败，" . socket_strerror($ret) . "\n";
-    exit();
-}
-echo "$ip $port listen ok!\n";
-
-$sockets = array();
-$count = 0;
-do{
-    //接收一个Socket连接
-    $con = socket_accept($sock);
-    if (false == $con) {
-        echo "$ip $port socket_accept() failed: reason:".socket_strerror(socket_last_error($socket))."\n";
-        continue;
-    } else {
-        $count++;
-        if(0 == $count%1000){
-            echo "$ip $port accept success: ".$count."\n";
-        }
-
-        //发送数据
-        //$wmsg = "I am server\n";
-        //socket_write($con, $wmsg, strlen($wmsg));
-
-        //接收数据
-        //$rmsg = socket_read($msgsock[$count], 2048);
-        //echo = "收到的信息:".$rmsg."\n";
-    }
-    $sockets[$count] = $con;
-}while(true);
+<?php
+/**
+ * Socket服务端
+ */
+set_time_limit(0);
+
+if(!isset($argv[1]) || !isset($argv[2])){
+	echo "usage: php server.php {ip} {port}\n";
+	exit;
+}
+$ip = $argv[1];
+$port = $argv[2];
+
+if(($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) < 0) {
+    echo "socket_create() 失败的原因是:" . socket_strerror($sock) . "\n";
+    exit();
+}
+
+if(($ret = socket_bind($sock, $ip, $port)) < 0) {
+    echo "socket_bind() 失败的原因是:" . socket_strerror($ret) . "\n";
+    exit();
+}
+
+if(($ret = socket_listen($sock,1024)) < 0) {
+    echo "socket_listen() 失败的原因是:" . socket_strerror($ret) . "\n";
+    exit();
+}
+echo "$ip $port listen ok!\n";
+
+$sockets = array();
+$count = 0;
+do{
+    //接收一个Socket连接
+    $con = socket_accept($sock);
+    if (false == $con) {
+        echo "$ip $port socket_accept() failed: reason:".socket_strerror(socket_last_error($socket))."\n";
+        continue;
+    } else {
+        echo "$ip $port accept success: ".$count++."\n";
+
+        //发送数据
+        //$wmsg = "I am server\n";
+        //socket_write($con, $wmsg, strlen($wmsg));
+
+        //接收数据
+        //$rmsg = socket_read($msgsock[$count], 2048);
+        //echo = "收到的信息:".$rmsg."\n";
+    }
+	$sockets[$count] = $con;
+}while(true);

tests/network/test02/php/tool.sh

@@ -0,0 +1,83 @@
+#!/bin/bash
+
+#---------------------------  begin -------------------------
+#注意：这一部分的内容需要根据你自己的实验环境来设置
+
+#1.客户端 IP 列表：选择20个，且不能在局域网中存在
+# 示例
+# IPS=(
+#    "192.168.1.200"
+#    "192.168.1.201"
+# )
+
+IPS=(
+    "192.168.1.200"
+    "192.168.1.201"
+)
+
+#2.客户端 IP 对应的子网掩码
+#示例：
+#NETMASK="255.255.248.0"
+NETMASK="255.255.248.0"
+
+#3.服务端的 IP 和 端口
+#示例
+#SERVERIP="192.168.1.100"
+#SERVERPORT="8090"
+SERVERIP="192.168.1.100"
+SERVERPORT="8090"
+#---------------------------   end  -------------------------
+
+TYPE=$1
+
+exec_ping(){
+    for i in "${!IPS[@]}"; do
+        ping -c 1 -W 1 ${IPS[$i]} > /dev/null
+        if [[ $? != 0 ]];then 
+            echo ${IPS[$i]}" false"
+        else
+            echo ${IPS[$i]}" true"
+        fi
+    done 
+}
+
+exec_ifup(){
+    for i in "${!IPS[@]}"; do
+        echo ifconfig eth0:$i ${IPS[$i]} netmask $NETMASK up
+        ifconfig eth0:$i ${IPS[$i]} netmask $NETMASK up
+    done
+}
+
+exec_ifdown(){
+    for i in "${!IPS[@]}"; do
+        echo ifconfig eth0:$i down
+        ifconfig eth0:$i down
+    done
+}
+
+exec_runcli(){
+    for i in "${!IPS[@]}"; do
+        echo php client.php ${IPS[$i]} $SERVERIP $SERVERPORT &
+        php client.php ${IPS[$i]} $SERVERIP $SERVERPORT &
+    done
+}
+
+exec_stopcli(){
+    ps -ef | grep client.php | awk '{print $2}' | xargs kill -9
+}
+
+exec_runsrv(){
+    echo php server.php 0.0.0.0 $SERVERPORT
+    php server.php 0.0.0.0 $SERVERPORT
+}
+
+case $TYPE in
+    "ping")  exec_ping;;
+    "ifup")  exec_ifup;;
+    "ifdown")  exec_ifdown;;
+    "runcli")  exec_runcli;;
+    "stopcli")  exec_stopcli;;
+    "runsrv")  exec_runsrv;;
+    *)  echo "get unkown type $TYPE"; exit ;;
+esac
+

tests/network/test02/ports.php

@@ -1,24 +0,0 @@
-<?php
-
-$ports = array(
-        8100,
-        8101,
-        8102,
-        8103,
-        8104,
-        8105,
-        8106,
-        8107,
-        8108,
-        8109,
-        8110,
-        8111,
-        8112,
-        8113,
-        8114,
-        8115,
-        8116,
-        8117,
-        8118,
-        8119,
-    );

tests/network/test02/serverd.php

@@ -1,23 +0,0 @@
-<?php
-
-/**
- * Socket服务端
- */
-
-require("ports.php");
-
-$cmd = "ps -ef | grep server.php | awk '{print $2}' | xargs kill -9";
-shell_exec($cmd);
-shell_exec("echo '' > serverd.log");
-
-if(isset($argv[1]) && "stop"==$argv[1]){
-    exit;
-}
-
-foreach($ports as $port){
-    $tCommand = "php server.php 0.0.0.0 $port >> serverd.log &";
-    echo $tCommand."\n";
-    shell_exec($tCommand);
-    sleep(1);
-}
-

tests/network/test03/c/Makefile

@@ -0,0 +1,31 @@
+CLIENT_BINARY_NAME := "test-client"
+SERVER_BINARY_NAME := "test-server"
+
+.PHONY: build-cli
+build-cli:
+	gcc client.c -o $(CLIENT_BINARY_NAME)
+
+.PHONY: run-cli
+run-cli: build-cli
+	sh tool.sh runcli ./$(CLIENT_BINARY_NAME)
+
+.PHONY: stop-cli
+stop-cli:
+	sh tool.sh stopcli ./$(CLIENT_BINARY_NAME)
+
+.PHONY: build-srv
+build-srv:
+	gcc server.c -o $(SERVER_BINARY_NAME)
+
+.PHONY: run-srv
+run-srv: build-srv
+	sh tool.sh runsrv ./$(SERVER_BINARY_NAME)
+
+.PHONY: stop-srv
+stop-srv: 
+	sh tool.sh stopsrv ./$(SERVER_BINARY_NAME)
+
+.PHONY: clean
+clean:
+	rm -f ${CLIENT_BINARY_NAME}
+	rm -f $(SERVER_BINARY_NAME)

tests/network/test03/c/client.c

@@ -0,0 +1,76 @@
+#include <netinet/in.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <arpa/inet.h> 
+
+
+#define MAX_CONNECTION_NUM 50000
+
+int buildConnect(const char *sIp, int sPort)
+{
+    int skFd; 
+    if((skFd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+    {
+        printf("\n Error : Could not create socket\n");
+        return 0;
+    }
+
+    struct sockaddr_in srvAddr;
+    srvAddr.sin_family = AF_INET;
+    srvAddr.sin_addr.s_addr = inet_addr(sIp);
+    srvAddr.sin_port = htons(sPort); 
+    if(connect(skFd, (struct sockaddr *)&srvAddr, sizeof(srvAddr)) < 0)
+    {
+       printf("\n Error : Connect Failed \n");
+       return 0;
+    } 
+
+    return skFd;
+}
+
+int main(int argc, char *argv[])
+{
+    int i = 0, sPort, fd;
+    char sIp[16];
+
+    if(argc != 3)
+    {
+        printf("\n Usage: %s <server ip> <server port>\n", argv[0]);
+        return 1;
+    }
+
+    //1. 从命令行获取并解析server ip以及端口
+    strcpy(sIp, argv[1]);
+    sPort = atoi(argv[2]);
+    
+    //2. 开始建立连接
+    int *sockets = (int *)malloc(sizeof(int) * MAX_CONNECTION_NUM);
+    for(i = 1; i <= MAX_CONNECTION_NUM; i++)
+    {
+        if(0 == i % 1000)
+        {//稍稍停顿一下，避免把服务端的握手队列打满
+            printf("连接 %s:%d成功了 %d 条！\n", sIp, sPort, i);
+            sleep(1);
+        }
+        
+        fd = buildConnect(sIp, sPort);
+        if(fd > 0)
+        {
+            sockets[i-1] = fd;
+        }else{
+            return 1;
+        }
+    }
+    sleep(300);
+
+    //3. 释放所有的连接
+    printf("关闭所有的连接...\n");
+    for(i = 0; i < MAX_CONNECTION_NUM; i++)
+    {
+        close(sockets[i]);
+    }
+ 
+    return 0;
+}

tests/network/test03/c/server.c

@@ -0,0 +1,55 @@
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_CONNECTION_NUM 1100000
+
+int main(int argc, char *argv[])
+{
+    char ip[16];
+    int lisFd, conFd, port;
+    struct sockaddr_in servAddr; 
+
+    if(argc != 3)
+    {
+        printf("\n Usage: %s <server ip> <server port>\n", argv[0]);
+        return 1;
+    }
+
+    //1. 从命令行获取并解析server ip以及端口
+    strcpy(ip, argv[1]);
+    port = atoi(argv[2]);
+
+    //2. 创建server
+    if((lisFd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+    {
+        printf("\n Error : Could not create socket\n");
+        return 0;
+    }
+
+    servAddr.sin_family = AF_INET;
+    servAddr.sin_addr.s_addr = inet_addr(ip);
+    servAddr.sin_port = htons(port); 
+    if(bind(lisFd, (struct sockaddr*)&servAddr, sizeof(servAddr)) < 0)
+    {
+        printf("\n Error : Bind Failed \n");
+    }
+    if((listen(lisFd, 1024)) < 0)
+    {
+        printf("\n Error : Listen Failed \n");
+    }
+
+    //3. 接收连接
+    int i = 0;
+    int *sockets = (int*)malloc(sizeof(int) * MAX_CONNECTION_NUM);
+    while(1)
+    {
+        conFd = accept(lisFd, (struct sockaddr*)NULL, NULL); 
+        if(conFd > 0)
+        {
+            sockets[i++] = conFd;
+            printf("%s %d accept success:%d\n", ip, port, i);
+        }
+    }
+}

tests/network/test03/c/tool.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+#---------------------------  begin -------------------------
+#注意：这一部分的内容需要根据你自己的实验环境来设置
+
+#1.服务端的 IP 
+#示例
+#SERVERIP="192.168.1.100"
+SERVERIP="192.168.1.100"
+
+#2.服务端的端口
+SERVERPORTS=(
+    "8100"
+    "8101"
+    "8102"
+    "8103"
+    "8104"
+    "8105"
+    "8106"
+    "8107"
+    "8108"
+    "8109"
+    "8110"
+    "8111"
+    "8112"
+    "8113"
+    "8114"
+    "8115"
+    "8116"
+    "8117"
+    "8118"
+    "8119"
+)
+#---------------------------   end  -------------------------
+
+TYPE=$1
+
+exec_runcli(){
+    for i in "${!SERVERPORTS[@]}"; do
+        echo  $CLIENT $SERVERIP ${SERVERPORTS[$i]} &
+        $CLIENT $SERVERIP ${SERVERPORTS[$i]} &
+    done
+}
+
+exec_stopcli(){
+    ps -ef | grep $CLIENT | awk '{print $2}' | xargs kill -9 
+}
+
+exec_runsrv(){
+    for i in "${!SERVERPORTS[@]}"; do
+        echo $SERVER 0.0.0.0 ${SERVERPORTS[$i]} &
+        $SERVER 0.0.0.0 ${SERVERPORTS[$i]} &
+    done
+}
+
+exec_stopsrv(){
+    ps -ef | grep $SERVER | awk '{print $2}' | xargs kill -9
+}
+
+case $TYPE in
+    "runcli")  CLIENT=$2; exec_runcli;;
+    "stopcli")  CLIENT=$2; exec_stopcli;;
+    "runsrv")  SERVER=$2; exec_runsrv;;
+    "stopsrv")  SERVER=$2; exec_stopsrv;;
+    *)  echo "get unkown type $TYPE"; exit ;;
+esac
+

tests/network/test03/java/Client.java

@@ -0,0 +1,53 @@
+import java.net.Socket;
+import java.net.InetSocketAddress;
+ 
+public class Client {
+    public static final int MAX_CONNECTION_NUM = 50000;
+
+    public static void main(String[] args) throws Exception {
+        if(2 != args.length){
+            System.out.println("Usage: java Client <server ip> <server port>\n");
+            return;
+        }
+
+        //1. 从命令行获取并解析local ip、server ip以及端口
+        String sIp = args[0];
+        int sPort = Integer.parseInt(args[1]);
+
+        //2. 开始建立连接
+        //用数组将 socket 保存起来，防止连接被过早释放
+        Socket[] sockets = new Socket[MAX_CONNECTION_NUM];  
+        for(int i = 1; i <= MAX_CONNECTION_NUM; i++){
+            try {
+                Socket s = new Socket();
+                s.connect(new InetSocketAddress(sIp, sPort));
+
+                if(false == s.isConnected()){
+                    System.out.println(" 连接 "+sIp+":"+sPort+" 失败！ ");
+                    return;
+                }
+                sockets[i-1] = s;
+
+            } catch (Exception e) {
+                //连接失败则小憩一会儿接着连
+                Thread.sleep(500);
+                e.printStackTrace();
+            }
+
+            //稍稍停顿一下，避免把服务端的握手队列打满
+            if(0 == i % 500){
+                Thread.sleep(500);
+                System.out.println("连接 "+sIp+":"+sPort+" 成功了 "+i+" 条");
+            }
+        }
+      
+        //把所有连接都 hold 一会儿，方便观察
+        Thread.sleep(300 * 1000);
+
+        //3. 释放所有的连接
+        System.out.println("关闭所有的连接...\n");
+        for(int i = 0; i < MAX_CONNECTION_NUM; i++){
+            sockets[i].close();
+        }
+   }
+}

tests/network/test03/java/Makefile

@@ -0,0 +1,30 @@
+CLIENT_BINARY_NAME := "java Client"
+SERVER_BINARY_NAME := "java Server"
+
+.PHONY: build-cli
+build-cli:
+	javac Client.java
+
+.PHONY: run-cli
+run-cli: build-cli
+	sh tool.sh runcli $(CLIENT_BINARY_NAME)
+
+.PHONY: stop-cli
+stop-cli:
+	sh tool.sh stopcli 
+
+.PHONY: build-srv
+build-srv:
+	javac Server.java
+
+.PHONY: run-srv
+run-srv: build-srv
+	sh tool.sh runsrv $(SERVER_BINARY_NAME)
+
+.PHONY: stop-srv
+stop-srv: 
+	sh tool.sh stopsrv 
+
+.PHONY: clean
+clean:
+	rm -f *.class

tests/network/test03/java/Server.java

@@ -0,0 +1,42 @@
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.InetSocketAddress;
+ 
+public class Server {
+    
+    public static final int MAX_CONNECTION_NUM = 1100000;
+
+    public static void main(String[] args) {
+        if(2 != args.length){
+            System.out.println("Usage: java Server <server ip> <server port>\n");
+            return;
+        }
+
+        String sIp = args[0];
+        int sPort = Integer.parseInt(args[1]);
+
+        //用数组将 socket 保存起来，防止连接被过早回收
+        Socket[] sockets = new Socket[MAX_CONNECTION_NUM];
+
+        try {
+            ServerSocket ss = new ServerSocket();
+            ss.bind(new InetSocketAddress(sIp, sPort));
+            System.out.println("启动Server " + sIp + ":" + sPort + "...");
+
+            int i = 0;
+            while(true){
+                try{
+                    Socket s = ss.accept();
+                    sockets[i] = s;
+                    i++;
+                    System.out.println("Server " + sIp + ":" + sPort + " 接收到第 " + i +" 条连接！");
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

tests/network/test03/java/tool.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+#---------------------------  begin -------------------------
+#注意：这一部分的内容需要根据你自己的实验环境来设置
+
+#1.服务端的 IP 
+#示例
+#SERVERIP="192.168.1.100"
+SERVERIP="192.168.1.100"
+
+#2.服务端的端口
+SERVERPORTS=(
+    "8100"
+    "8101"
+    "8102"
+    "8103"
+    "8104"
+    "8105"
+    "8106"
+    "8107"
+    "8108"
+    "8109"
+    "8110"
+    "8111"
+    "8112"
+    "8113"
+    "8114"
+    "8115"
+    "8116"
+    "8117"
+    "8118"
+    "8119"
+)
+#---------------------------   end  -------------------------
+
+TYPE=$1
+
+exec_runcli(){
+    for i in "${!SERVERPORTS[@]}"; do
+        echo $CLIENT $SERVERIP ${SERVERPORTS[$i]} &
+        $CLIENT $SERVERIP ${SERVERPORTS[$i]} &
+    done
+}
+
+exec_stopcli(){
+    ps -ef | grep java | grep Client | awk '{print $2}' | xargs kill -9 
+}
+
+exec_runsrv(){
+    for i in "${!SERVERPORTS[@]}"; do
+        echo $SERVER 0.0.0.0 ${SERVERPORTS[$i]} &
+        $SERVER 0.0.0.0 ${SERVERPORTS[$i]} &
+    done
+}
+
+exec_stopsrv(){
+    ps -ef | grep java | grep Server | awk '{print $2}' | xargs kill -9
+}
+
+case $TYPE in
+    "runcli")  CLIENT=$2; exec_runcli;;
+    "stopcli")  exec_stopcli;;
+    "runsrv")  SERVER=$2; exec_runsrv;;
+    "stopsrv")  exec_stopsrv;;
+    *)  echo "get unkown type $TYPE"; exit ;;
+esac
+

tests/network/test03/php/Makefile

@@ -0,0 +1,15 @@
+.PHONY: run-cli
+run-cli: 
+	sh tool.sh runcli 
+
+.PHONY: stop-cli
+stop-cli:
+	sh tool.sh stopcli 
+
+.PHONY: run-srv
+run-srv: 
+	sh tool.sh runsrv 
+
+.PHONY: stop-srv
+stop-srv: 
+	sh tool.sh stopsrv 

tests/network/test03/php/client.php

@@ -16,9 +16,9 @@ $sockets = array();
 function buildConnect($sIp,$sPort,$num){
     global $sockets;
 
-    for($i=0;$i<$num;$i++){
-        if(0==$i%1000){
-            echo $i."\n";
+    for($i = 1; $i <= $num; $i++){
+        if(0 == $i % 1000){
+            echo " 连接 ".$sIp.":".$sPort." 成功了 ".$i." 条\n";
             sleep(1); 
         }
         

tests/network/test03/php/server.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * Socket服务端
+ */
+set_time_limit(0);
+
+if(!isset($argv[1]) || !isset($argv[2])){
+	echo "usage: php server.php {ip} {port}\n";
+	exit;
+}
+$ip = $argv[1];
+$port = $argv[2];
+
+if(($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) < 0) {
+    echo "socket_create() 失败的原因是:" . socket_strerror($sock) . "\n";
+    exit();
+}
+
+if(($ret = socket_bind($sock, $ip, $port)) < 0) {
+    echo "socket_bind() 失败的原因是:" . socket_strerror($ret) . "\n";
+    exit();
+}
+
+if(($ret = socket_listen($sock,1024)) < 0) {
+    echo "socket_listen() 失败的原因是:" . socket_strerror($ret) . "\n";
+    exit();
+}
+echo "$ip $port listen ok!\n";
+
+$sockets = array();
+$count = 0;
+do{
+    //接收一个Socket连接
+    $con = socket_accept($sock);
+    if (false == $con) {
+        echo "$ip $port socket_accept() failed: reason:".socket_strerror(socket_last_error($socket))."\n";
+        continue;
+    } else {
+        echo "$ip $port accept success: ".$count++."\n";
+
+        //发送数据
+        //$wmsg = "I am server\n";
+        //socket_write($con, $wmsg, strlen($wmsg));
+
+        //接收数据
+        //$rmsg = socket_read($msgsock[$count], 2048);
+        //echo = "收到的信息:".$rmsg."\n";
+    }
+	$sockets[$count] = $con;
+}while(true);

tests/network/test03/php/tool.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+#---------------------------  begin -------------------------
+#注意：这一部分的内容需要根据你自己的实验环境来设置
+
+#1.服务端的 IP 
+#示例
+#SERVERIP="192.168.1.100"
+SERVERIP="192.168.1.100"
+
+#2.服务端的端口
+SERVERPORTS=(
+    "8100"
+    "8101"
+    "8102"
+    "8103"
+    "8104"
+    "8105"
+    "8106"
+    "8107"
+    "8108"
+    "8109"
+    "8110"
+    "8111"
+    "8112"
+    "8113"
+    "8114"
+    "8115"
+    "8116"
+    "8117"
+    "8118"
+    "8119"
+)
+#---------------------------   end  -------------------------
+
+TYPE=$1
+
+exec_runcli(){
+    for i in "${!SERVERPORTS[@]}"; do
+        echo php client.php  $SERVERIP ${SERVERPORTS[$i]} &
+        php client.php  $SERVERIP ${SERVERPORTS[$i]} &
+    done
+}
+
+exec_stopcli(){
+    ps -ef | grep client.php | awk '{print $2}' | xargs kill -9
+}
+
+exec_runsrv(){
+    for i in "${!SERVERPORTS[@]}"; do
+        echo php server.php 0.0.0.0 ${SERVERPORTS[$i]} &
+        php server.php 0.0.0.0 ${SERVERPORTS[$i]} &
+    done
+}
+
+exec_stopsrv(){
+    ps -ef | grep server.php | awk '{print $2}' | xargs kill -9
+}
+
+case $TYPE in
+    "runcli")  exec_runcli;;
+    "stopcli")  exec_stopcli;;
+    "runsrv")  exec_runsrv;;
+    "stopsrv")  exec_stopsrv;;
+    *)  echo "get unkown type $TYPE"; exit ;;
+esac
+