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ÔÚlinuxÏ »ñÈ¡±¾»úMACµØÖ·µÄº¯Êý

//»ñÈ¡±¾»úMACµØÖ·º¯ÊýQString GetLocalMac()
{
int sock_mac;

struct ifreq ifr_mac;
char mac_addr[30];

sock_mac = socket( AF_INET, SOCK_STREAM, 0 );
if( sock_mac == -1)
{
perror("create socket falise...mac\n");
return "";
}

memset(&ifr_mac,0,sizeof(ifr_mac));
strncpy(ifr_mac.ifr_name, "eth0", sizeof(ifr_mac.ifr_name)-1);
if( (ioctl( sock_mac, SIOCGIFHWADDR, &ifr_mac)) < 0)
{
printf("mac ioctl error\n");
return "";
}

sprintf(mac_addr,"%02x%02x%02x%02x%02x%02x",
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[0],
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[1],
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[2],
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[3],
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[4],
(unsigned char)ifr_mac.ifr_hwaddr.sa_data[5]);
printf("local mac:%s \n",mac_addr);

close( sock_mac );
return QString( mac_addr );
}


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ʵսLinux Bluetooth±à³Ì£¨ËÄ£© L2CAP²ã±à³Ì

£¨L2CAPЭÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPЭÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼­Á¬½Ó¿ØÖƺÍÊÊÅäЭÒé (L2CAP) ΪÉϲãЭÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àЭÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãЭÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......

LinuxÏµĶ¨Ê±Æ÷£ºalarm()Óësetitimer()


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1¡¢alarm
Èç¹û²»ÒªÇóºÜ¾«È·µÄ»°£¬ÓÃalarm()ºÍsignal()¾Í¹»ÁË
unsigned int alarm(unsigned int seconds)
º¯Êý˵Ã÷: alarm()ÓÃÀ´ÉèÖÃÐźÅSIGALRMÔÚ¾­¹ý²ÎÊýsecondsÖ¸¶¨µÄÃëÊýºó´«Ë͸øÄ¿Ç°µÄ½ø³Ì¡£Èç¹û²ÎÊýsecondsΪ0£¬Ôò֮ǰÉèÖõÄÄÖÖӻᱻȡÏû£¬²¢½«Ê£ÏµÄʱ¼ä·µ»Ø¡£
·µ»ØÖµ: ......

WindowsÍê³É¶Ë¿ÚÓëLinux epoll¼¼Êõ¼ò½é

WindowsÍê³É¶Ë¿ÚÓëLinux epoll¼¼Êõ¼ò½é
2009-09-16 09:13
WINDOWSÍê³É¶Ë¿Ú±à³Ì
1¡¢»ù±¾¸ÅÄî
2¡¢WINDOWSÍê³É¶Ë¿ÚµÄÌØµã
3¡¢Íê³É¶Ë¿Ú£¨Completion Ports £©Ïà¹ØÊý¾Ý½á¹¹ºÍ´´½¨
4¡¢Íê³É¶Ë¿ÚÏ̵߳Ť×÷Ô­Àí
5¡¢WindowsÍê³É¶Ë¿ÚµÄʵÀý´úÂë
LinuxµÄEPollÄ£ÐÍ
1¡¢ÎªÊ²Ã´selectÂäºó
2¡¢ÄÚºËÖÐÌá¸ßI/OÐÔÄܵÄз½·¨epoll
3 ......

LinuxÐéÄâ»úÎÞ·¨ÁªÍøµÄÖÕ¼«½â¾ö°ì·¨

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·¢ÏÖÍø¿¨ºì²æÖ®Ç°ÊÔ¹ýÏÂÃæÃüÁ¿Ï¶¨¶¼²»Ðеġ£
sudo ifconfig eth0 down
sudo ifconfig eth0 up
sudo /etc/init.d/dhcp3-server restart
sudo /etc/init.d/networking restart
ÎÊÌâ½â¾öºÜ¼òµ¥£¬°ÑÈçϵĸ´Ñ¡¿ò¹´Éϼ´¿É£¬ÐéÄâ»ú¿ª» ......

ÔÚlinuxÏ »ñÈ¡£¬Ð޸ı¾»úIPµØÖ·µÄÁ½¸öº¯Êý

//»ñÈ¡±¾»úIPµØÖ·º¯Êý
QString GetLocalIp()
{
int sock_get_ip;
char ipaddr[50];
struct sockaddr_in *sin;
struct ifreq ifr_ip;
if ((sock_get_ip=socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
printf("socket create failse...GetLocalIp!\n");
return ""; ......
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