From b1cbb54dd2187df4c46114f36786a322e78c55be Mon Sep 17 00:00:00 2001
From: zhangyanfei <zhangyanfei@sogou-inc.com>
Date: Mon, 15 Feb 2021 10:29:57 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=B7=BB=E5=8A=A0=E7=99=BE=E4=B8=87?=
 =?UTF-8?q?=E8=BF=9E=E6=8E=A5=E6=B5=8B=E8=AF=95=E4=BB=A3=E7=A0=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 tests/network/test01/client.php  | 75 +++++++++++++++++++++++++++++
 tests/network/test01/clientd.php | 82 ++++++++++++++++++++++++++++++++
 tests/network/test01/server.php  | 53 +++++++++++++++++++++
 3 files changed, 210 insertions(+)
 create mode 100644 tests/network/test01/client.php
 create mode 100644 tests/network/test01/clientd.php
 create mode 100644 tests/network/test01/server.php

diff --git a/tests/network/test01/client.php b/tests/network/test01/client.php
new file mode 100644
index 0000000..bb59ec3
--- /dev/null
+++ b/tests/network/test01/client.php
@@ -0,0 +1,75 @@
+<?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 = 0; $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 $lIp."\t".$i."\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, $serverPort, 50000);
+
+//连接完了 sleep 一会儿
+//这样有时间在 linux 上用 netstat、ss、slabtop 等命令进行观察
+sleep(600);
+
+//关闭所有连接
+echo "close all connection now...";
+closeAll();
diff --git a/tests/network/test01/clientd.php b/tests/network/test01/clientd.php
new file mode 100644
index 0000000..ff59510
--- /dev/null
+++ b/tests/network/test01/clientd.php
@@ -0,0 +1,82 @@
+<?php
+
+/**
+ * Socket服务端
+ */
+
+//-------------- start -------------
+//这一部分需要根据你自己的实验环境来修改
+//1.需要你从自己的网络环境中选出 20 个可用的 ip，
+$ips = array(
+        "客户端 IP1",
+        "客户端 IP2",
+        "客户端 IP3",
+        "......",
+        "服务端 IP20",
+    );
+
+//2.需要设置你的子网掩码
+$netmask = "子网掩码";
+
+//3.指定要连接的server ip 和端口
+$serverIp = "服务端 IP";
+$serverPort = "服务端端口";
+//--------------- end --------------    
+
+if(!isset($argv[1])){
+    echo "usage: php clientd.php ifup/ifdown/stop/start\n";
+    exit;
+}
+
+function pingAddress($address) {  
+    $outcome = "";
+    $status = -1;  
+    $pingresult = exec("ping -c 1 -W 1 {$address}", $outcome, $status);  
+
+    if (0 == $status) {  
+        return "true";
+    } else {  
+        return "false";
+    }  
+}  
+
+switch($argv[1]){
+    case "ping":
+        foreach($ips as $k=>$ip){
+            echo $ip.":".pingAddress($ip)."\n";
+        }
+        break;
+
+    case "ifup":
+        foreach($ips as $k=>$ip){  
+            shell_exec("ifconfig eth0:$k $ip netmask ".$netmask." up");
+        }   
+        break;
+
+    case "ifdown":
+        foreach($ips as $k=>$ip){
+            shell_exec("ifconfig eth0:$k down");
+        }
+        break;
+
+    case "start":
+        $cmd = "ps -ef | grep client.php | awk '{print $2}' | xargs kill -9";
+        shell_exec($cmd);
+        shell_exec("echo '' > clientd.log");
+
+        foreach($ips as $ip){
+            $cmd = "php client.php $ip $serverIp $serverPort >> clientd.log &";
+            echo $cmd."\n";
+            shell_exec($cmd);
+        }
+        break;
+
+    case "stop":
+        $cmd = "ps -ef | grep client.php | awk '{print $2}' | xargs kill -9";
+        shell_exec($cmd);
+        break;  
+
+    default:
+        break;
+}
+    
diff --git a/tests/network/test01/server.php b/tests/network/test01/server.php
new file mode 100644
index 0000000..2443a14
--- /dev/null
+++ b/tests/network/test01/server.php
@@ -0,0 +1,53 @@
+<?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);