LINUXÍøÂç±à³Ì,¼òµ¥µÄÁÄÌì³ÌÐò
·þÎñÆ÷¶Ë£º
½¨Á¢socket£¬±¾µØµØÖ·°ó¶¨bind£¬È»ºó½¨Á¢¼àÌý£¬Èç¹ûÓпͻ§¶ËÇëÇóÔòÏìÓ¦Ö®£¬È»ºó½øÐÐÊý¾ÝµÄ·¢ËͺͽÓÊÕ
Ô´´úÂë:
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/time.h>
#include <string.h>
#include <fcntl.h>
#define MAXDATASIZE 100
#define SERVPORT 3333
#define BACKLOG 10//×î´óÁ¬½ÓÊý
#define STDIN 0 //±ê×¼ÊäÈë
int main(void)
{
FILE *fp;
int sockfd,client_fd;//socket.sock_fd¼àÌý,socket.new_fdÊý¾Ý´«Êä
int sin_size;
struct sockaddr_in my_addr,remote_addr;//±¾»úµØÖ·ÐÅÏ¢£¬¿Í»§µØÖ·ÐÅÏ¢
char buf[256]; //ÓÃÓÚÁÄÌìµÄ»º³åÇø
char buff[256];//ÓÃÓÚÊäÈëÓû§ÃûµÄ»º³åÇø
char send_str[256];
int recvbytes;
fd_set rfd_set,wfd_set,efd_set;//±»select¼àÊӵĶÁ£¬Ð´£¬Òì³£´¦ÀíµÄÎļþÃèÊö·û¼¯ºÏ
struct timeval timeout;
int ret;
if((sockfd=socket(AF_INET,SOCK_STREAM,0))==-1)
{
perror("socket");
exit(1);
}
/*¶ËÌî³äsockaddr½á¹¹*/
bzero(&my_addr,sizeof(struct sockaddr_in));
my_addr.sin_family=AF_INET;//µØÖ·×å
my_addr.sin_port=htons(SERVPORT);
inet_aton("127.0.0.1",&my_addr.sin_addr);
if(bind(sockfd,(struct sockaddr *)&my_addr,sizeof(struct sockaddr))==-1)
{
perror("bind");
exit(1);
}
if(listen(sockfd,BACKLOG)==-1)
{
perror("listen");
exit(1);
}
sin_size=sizeof(struct sockaddr_in);
if((client_fd=accept(sockfd,(struct sockaddr *)&remote_addr,&sin_size))==-1)
{
perror("accept");
exit(1);
}
fcntl(client_fd,F_SETFD,O_NONBLOCK);//·þÎñÆ÷Ϊ·Ç×èÈû
recvbytes=recv(client_fd,buff,MAXDATASIZE,0);
buff[recvbytes]='\0';
fflush(stdout);
/*Ç¿ÖÆÁ¢¼´ÄÚÈÝ*/
if((fp=fopen("name.txt","a+"))==NULL)
{
printf("can not open filie,exit...\n");
return -1;
}
fprintf(fp,"%s\n",buff);
/*½«Óû§ÃûдÈëname.txtÖÐ*/
while(1)
{
FD_ZERO(&rfd_set);//¶ÁÎļþÃèÊö·ûÇå
Ïà¹ØÎĵµ£º
£¨L2CAPÐÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPÐÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼Á¬½Ó¿ØÖƺÍÊÊÅäÐÒé (L2CAP) ΪÉϲãÐÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àÐÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãÐÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......
Ô¶³Ì×ÀÃæ»·¾³ÔںܶàÇé¿öÏ¿ÉÒÔ´øÀ´ºÃ´¦£¬¶ÔÓÚÒ»°ãµÄ¹«Ë¾À´Ëµ£¬¿ª·¢ÈËÔ±Ò»°ã¶¼»áÓÐһ̨°ì¹«»úͬʱÓÐһ̨¿ª·¢»ú£¬ÓÐʱ£¬¿ª·¢»úºÍ°ì¹«»ú²»ÔÚͬһ¸öµØ·½£¬Èç¹ûÐèҪͬʱ²Ù×÷Á½Ì¨»úÆ÷£¬ÄÇôÔÚ²»Í¬µÄµØµãÖ®¼äÀ´»Ø×ß¶¯±ØÈ»´øÀ´ºÜ¶àµÄ²»±ã¡£¿ÉÒÔʹÓÃtelnet»òsshµÈ×Ö·ûµÇ½½çÃæ£¬Õâ¶ÔÓÚÊìϤshellÃüÁîµÄ¿ª·¢ÕßÀ´ËµÊDZȽÏÊ¡Êµķ½·¨£¬×î ......
linuxÏ»ñÈ¡±¾»úIPµØÖ·
·½·¨Ò»£º
local_host="`hostname --fqdn`"
local_ip=`host $local_host | awk '{print $NF}'`
·½·¨¶þ£º
/sbin/ifconfig |grep -Eo '\baddr:[^ \t]+' |grep -Eo '[0-9\.]+' |head -n1
......
linuxϵÄlddÃüÁî(ת)
1¡¢Ê×ÏÈldd²»ÊÇÒ»¸ö¿ÉÖ´ÐгÌÐò£¬¶øÖ»ÊÇÒ»¸öshell½Å±¾
2¡¢lddÄܹ»ÏÔʾ¿ÉÖ´ÐÐÄ£¿éµÄdependency£¬ÆäÔÀíÊÇͨ¹ýÉèÖÃһϵÁеĻ·¾³±äÁ¿£¬ÈçÏ£º LD_TRACE_LOADED_OBJECTS¡¢LD_WARN¡¢LD_BIND_NOW¡¢LD_LIBRARY_VERSION¡¢ LD_VERBOSEµÈ¡£µ±LD_TRACE_LOADED_OBJECTS»·¾³±äÁ¿²»Îª¿Õʱ£¬ÈκοÉÖ´ÐгÌÐòÔÚÔËÐÐʱ ......
LinuxÎļþ²éÕÒÃüÁîfind,xargsÏêÊö
×ªÔØ×Ô http://www.cnblogs.com/starspace/archive/2008/10/20/1315384.html
×ܽ᣺zhy2111314
À´×Ô£ºLinuxSir.Org
ÕûÀí£º±±ÄÏÄϱ±
ÕªÒª£º ±¾ÎÄÊÇfind ÃüÁîµÄÏêϸ˵Ã÷£¬¿É¹óµÄÊÇÕë¶Ô²ÎÊý¾ÙÁ˺ܶàµÄʵÀý£¬´óÁ¿µÄÀýÖ¤£¬ÈóõѧÕ߸üΪÈÝÒ×Àí½â£»±¾ÎÄÊÇzhyflyÐÖÌùÔÚÂÛ̳ÖУ»Î ......