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最新评论
-
wahahachuang8:
我喜欢代码简洁易读,服务稳定的推送服务,前段时间研究了一下go ...
websocket的helloworld -
q114687576:
http://www.blue-zero.com/WebSoc ...
websocket的helloworld -
zhaoyanzimm:
感谢您的分享,给我提供了很大的帮助,在使用过程中发现了一个问题 ...
nginx的helloworld模块的helloworld -
haoningabc:
leebyte 写道太NB了,期待早日用上Killinux!么 ...
qemu+emacs+gdb调试内核 -
leebyte:
太NB了,期待早日用上Killinux!
qemu+emacs+gdb调试内核
代码是《linux高级程序设计》第5章的内容
betterserver.c
len=recv(fd,buf,13,0);指定了缓冲
liburl使用
yum install libcurl-devel
这个是依赖
gcc -I /usr/local/include/ -o getweb liburl.c -lcurl
mqq@208_181:~/fabricehao/test/20120726> cat errtcpserver.c #include <stdio.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <string.h> int main(int args,char * argv){ int i,s,fd,len; struct sockaddr_in my_addr; struct sockaddr_in remote_addr; int sin_size; char buf[BUFSIZ]; memset(&my_addr,0,sizeof(my_addr)); my_addr.sin_family=AF_INET; my_addr.sin_addr.s_addr=INADDR_ANY; unsigned int pp=87654; my_addr.sin_port=htons(pp); if((s=socket(AF_INET,SOCK_STREAM,0))<0){ perror("socket"); return 1; } if(bind(s,(struct sockaddr *)&my_addr,sizeof(struct sockaddr))<0){ perror("bind"); return 1; } listen(s,5); sin_size=sizeof(struct sockaddr_in); if((fd=accept(s,(struct sockaddr *)&remote_addr,&sin_size))<0) { perror("accept"); return 1; } printf("accept client %s\n",inet_ntoa(remote_addr.sin_addr)); len=send(fd,"welcome to my server\n",21,0); for(i=0;i<5;i++){ len=recv(fd,buf,BUFSIZ,0); buf[len]='\0'; printf("%s\n",buf); } close(fd); close(s); return 0; }
mqq@208_181:~/fabricehao/test/20120726> cat badclient.c #include <stdio.h> #include <string.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> int main(args,argv){ int i,s,fd,len; struct sockaddr_in remote_addr; int sin_size; char buf[BUFSIZ]; memset(&remote_addr,0,sizeof(remote_addr)); remote_addr.sin_family=AF_INET; remote_addr.sin_addr.s_addr=inet_addr("127.0.0.1"); unsigned int pp=87654; remote_addr.sin_port=htons(pp); if((s=socket(AF_INET,SOCK_STREAM,0))<0){ perror("socket"); return 1; } if(connect(s,(struct sockaddr *)&remote_addr,sizeof(struct sockaddr))<0){ perror("connect"); return 1; } printf("connect to server"); len=recv(s,buf,BUFSIZ,0); buf[len]='\0'; printf("%s",buf); len=send(s,"test1 message",13,0); len=send(s,"test2 message",13,0); len=send(s,"test3 message",13,0); len=send(s,"test4 message",13,0); len=send(s,"test5 message",13,0); close(s); return 0; }
betterserver.c
len=recv(fd,buf,13,0);指定了缓冲
#include <stdio.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <string.h> int main(int args,char * argv){ int i,s,fd,len; struct sockaddr_in my_addr; struct sockaddr_in remote_addr; int sin_size; char buf[BUFSIZ]; memset(&my_addr,0,sizeof(my_addr)); my_addr.sin_family=AF_INET; my_addr.sin_addr.s_addr=INADDR_ANY; unsigned int pp=87654; my_addr.sin_port=htons(pp); if((s=socket(AF_INET,SOCK_STREAM,0))<0){ perror("socket"); return 1; } if(bind(s,(struct sockaddr *)&my_addr,sizeof(struct sockaddr))<0){ perror("bind"); return 1; } listen(s,5); sin_size=sizeof(struct sockaddr_in); if((fd=accept(s,(struct sockaddr *)&remote_addr,&sin_size))<0) { perror("accept"); return 1; } printf("accept client %s\n",inet_ntoa(remote_addr.sin_addr)); len=send(fd,"welcome to my server\n",21,0); for(i=0;i<5;i++){ len=recv(fd,buf,13,0); buf[len]='\0'; printf("%s\n",buf); } close(fd); close(s); return 0; }
liburl使用
mqq@208_181:~/fabricehao/test/20120726> cat liburl.c #include <stdio.h> #include <curl/curl.h> int main(int args,char * argv){ CURL * curl; CURLcode res; curl =curl_easy_init(); if(!curl) { perror("curl"); return 1; } curl_easy_setopt(curl,CURLOPT_URL,argv[1]); curl_easy_setopt(curl,CURLOPT_PROXY,"webproxy:8080"); res=curl_easy_perform(curl); curl_easy_cleanup(curl); return 0; }
yum install libcurl-devel
这个是依赖
gcc -I /usr/local/include/ -o getweb liburl.c -lcurl
发表评论
-
xl2tp 备份
2019-09-24 16:25 5752019年9月24日更新: 注意,需要开启firewall ... -
sdl笔记
2019-01-31 17:19 686sdl教程教程 https://github.com/Twin ... -
tinyemu
2019-01-24 17:59 1399参考https://bellard.org/jslinux/t ... -
aws搭建xl2tp给iphone使用
2018-12-26 21:37 18082019年12月26日 可以参考原来的配置 https:// ... -
consul的基本使用
2017-06-27 11:13 1352### 安装 [centos7上consul的安装](ht ... -
lvs的helloworld
2017-06-13 20:36 561###################lvs######### ... -
系统调用的helloworld
2017-05-04 16:14 560《2.6内核标准教程》 p293 #include < ... -
bitcoin和cgminer的安装
2017-04-05 22:45 1921参考 http://blog.csdn.net/rion_ch ... -
ceph安装和常用命令
2017-03-21 21:55 913/etc/hosts ssh-keygen ssh-copy- ... -
mobile terminal 笔记
2016-12-02 15:35 547找出旧的iphone4 越狱之后可以变个小操作系统 mobi ... -
socket基础和select(python)
2016-06-14 17:21 1762上接 c语言的socket基础ht ... -
socket基础(c语言)
2016-06-14 16:45 941不使用select 普通的基础socket连接,对多个客户端的 ... -
ffmpeg+nginx 的直播(2,直播摄像头和麦克风)
2016-05-28 20:21 4258假设我的服务器是centos7 192.168.139.117 ... -
ffmpeg+nginx 的直播(1,直播播放的视频文件)
2016-05-26 17:11 651964位操作系统centos7 ############ 1.一 ... -
socat和netcat(nc)
2016-04-29 22:36 1676转 原文链接: http://www.wenquan.name ... -
neutron基础九(qemu nat网络)
2016-02-06 17:21 1557接上基础八,kvm透传nested忽略 1.在主机ce ... -
neutron基础八(qemu 桥接网络)
2016-02-06 13:13 1487qemu的桥接和nat的qemu启动命令是一样的,但是后续的脚 ... -
neutron基础七(qemu tap)
2016-02-02 17:02 970使用qemu 建立个虚拟机 然后用tap设备, 根据基础六,t ... -
neutron基础六(bridge fdb)
2016-01-28 18:30 2136转发表 在三台机器上建立三个namespace 192.16 ... -
南北流量
2016-01-23 23:26 1764一、三层网络架构: 接入层:负责服务器的接入和隔离 汇聚层:汇 ...
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