工作中用到了C/S模型,所做的也无非是给服务器发数据,但开发阶段会遇到程序自身的回环测试,需要用到简单的服务端以便验证数据发送的正确性。
写软件用C++,跑测试用python,这段时间也刚好看go语言,所以都要有demo。以下三组程序实现的功能相同,这里一起做下总结。
一、C++实现
Boost.Asio是一个跨平台的C++库,它用现代C++方法为网络和底层I/O程序提供了一致的异步I/O模型。为了跨平台,我用boost库实现,具体如下。
服务端代码:
1 /* 2 File : svr.cpp 3 Author : Mike 4 E-Mail : Mike_Zhang@live.com 5 */ 6 7 #include <iostream> 8 #include <boost/asio.hpp> 9 10 using boost::asio::ip::tcp;11 enum {max_length = 1024};12 13 typedef boost::shared_ptr<tcp::socket> socket_ptr;14 15 int main()16 {17 boost::asio::io_service io_service;18 tcp::acceptor a(io_service, tcp::endpoint(tcp::v4(), atoi("12345")));19 for (;;)20 {21 socket_ptr sock(new tcp::socket(io_service));22 a.accept(*sock);23 char data[max_length];24 boost::system::error_code error;25 size_t length = sock->read_some(boost::asio::buffer(data), error);26 data[length] = 0;27 std::cout<<data<<std::endl;28 sock->close();29 }30 return 0;31 }
客户端代码:
1 /* 2 File : cli.cpp 3 Author : Mike 4 E-Mail : Mike_Zhang@live.com 5 */ 6 #include <iostream> 7 #include <boost/asio.hpp> 8 9 using boost::asio::ip::tcp;10 enum { max_length = 1024 };11 12 int main(int argc, char* argv[])13 {14 boost::asio::io_service io_service;15 tcp::resolver resolver(io_service);16 tcp::resolver::query query(tcp::v4(), "127.0.0.1","12345");17 tcp::resolver::iterator iterator = resolver.resolve(query);18 19 tcp::socket s(io_service);20 s.connect(*iterator);21 22 std::cout << "Please input: ";23 char request[max_length];24 std::cin.getline(request, max_length);25 size_t request_length = strlen(request);26 boost::asio::write(s, boost::asio::buffer(request, request_length));27 return 0;28 }
编译:g++ cli.cpp -o cli -lboost_system -lboost_thread-mt
二、python实现
服务端代码:
1 ''' 2 File : svr.py 3 Author : Mike 4 E-Mail : Mike_Zhang@live.com 5 ''' 6 import socket,os 7 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 8 sock.bind(('127.0.0.1', 12345)) 9 sock.listen(5) 10 while True: 11 connection,address = sock.accept() 12 buf = connection.recv(1024) 13 print buf 14 connection.close()
客户端代码:
1 ''' 2 File : cli.py 3 Author : Mike 4 E-Mail : Mike_Zhang@live.com 5 ''' 6 import socket 7 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 8 sock.connect(('127.0.0.1', 12345)) 9 #sock.send('Testn') 10 sock.send(raw_input("Please input : ")) 11 sock.close()
三、go语言实现
服务端代码:
1 /* 2 File : svr.go 3 Author : Mike 4 E-Mail : Mike_Zhang@live.com 5 */ 6 package main 7 8 import( 9 "net"10 "fmt"11 "bufio"12 )13 14 func main() {15 client,err := net.Listen("tcp","127.0.0.1:12345")16 if err != nil {17 fmt.Printf("Error : %sn",err.String())18 }19 for {20 if c, err := client.Accept(); err == nil { 21 defer c.Close()22 line, _ := bufio.NewReader(c).ReadString('n')23 fmt.Println(line) 24 }25 }26 }
客户端代码:
1 /* 2 File : cli.go 3 Author : Mike 4 E-Mail : Mike_Zhang@live.com 5 */ 6 package main 7 8 import( 9 "net"10 "fmt"11 )12 13 func main() {14 conn, err := net.Dial("tcp", "127.0.0.1:12345")15 if err != nil {16 fmt.Printf("Error : %sn",err.String())17 }18 conn.Write([]byte("Just a test")) 19 }
运行效果(go语言为例):
好,就这些了,希望对你有帮助。
原文链接: https://www.cnblogs.com/MikeZhang/archive/2012/02/14/simpleTcpClientServerCppPythonAndGo.html
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