linux 远程修改时间,linux 获取远程系统时间的例子

女爷i 2023-01-20 08:17 4阅读 0赞

linux进程通信 获取远程系统时间的例子

server.c

\--------------------

\#include

\#define LOCAL\_IP "192.168.59.194"

\#define LOCAL\_PORT 8888

struct sockaddr\_in local\_sk\_addr, client\_sk\_addr;

int fd\_sock,full\_sock;

char buf\[27\];

struct timeval tv;

int length = 0;

int main(void)

int lsn\_id;

fd\_set fdset;

fd\_sock = socket(AF\_INET, SOCK\_STREAM, 0);

bzero(&local\_sk\_addr, sizeof(local\_sk\_addr));

local\_sk\_addr.sin\_port = htons(LOCAL\_PORT);

local\_sk\_addr.sin\_family = AF\_INET;

local\_sk\_addr.sin\_addr.s\_addr = inet\_addr(LOCAL\_IP);

bind(fd\_sock, (struct sockaddr\*)&local\_sk\_addr, sizeof(local\_sk\_addr));

lsn\_id = listen(fd\_sock, 5);

if (lsn\_id != -1)

printf("listen on port %d\\n:", LOCAL\_PORT);

FILE \* file = NULL;

file = fopen("out.txt", "w+");

if (NULL == file)\{

printf("open out.txt failed.\\n");\}

while (1)

FD\_ZERO(&fdset);

if ((full\_sock = accept(fd\_sock, NULL, NULL))>0 )

printf("remote connected!\\n");

break;

while(2)

// printf("full\_sock:%d\\n", full\_sock);

//FD\_SET(full\_sock, &fdset);

//tv.tv\_sec = tv.tv\_usec = 0;

bzero(buf, 27);

if(0 < recv(full\_sock, buf, 26 , 0))

fputs(buf, file);

// printf("%s\\n", "in!");

printf("remote says:%s\\n", buf);

// printf("\\n");

//sleep(1);

/\*

if (select(full\_sock + 1, &fdset, NULL, NULL, &tv) > 0)

printf("data recving!\\n");

if(FD\_ISSET(full\_sock, &fdset))

bzero(buf, 27);

if(recv(full\_sock, buf, 27 , 0))

printf("%s\\n", "in!");

printf("remote says:%s\\n", buf);

printf("\\n");

\*/

//close(full\_sock);

//close(fd\_sock);

// fclose(file);

client.c

\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

\#include

\#define REMOTE\_IP "192.168.59.194"

\#define REMOTE\_PORT 8888

struct sockaddr\_in remote\_sk\_addr;

int fd\_sock;

char buf\[27\];

struct tm l\_time;

void local\_time(char\* buf)

struct timeval tv;

time\_t time;

struct tm\* st\_tm;

gettimeofday(&tv, NULL);

time = tv.tv\_sec;

st\_tm = localtime((const time\_t\*)&time);

sprintf(buf,"%d-%d-%d %d:%d:%d.%ld\\n",

st\_tm->tm\_year + 1900,

st\_tm->tm\_mon + 1,

st\_tm->tm\_mday,

st\_tm->tm\_hour,

st\_tm->tm\_min,

st\_tm->tm\_sec,

tv.tv\_usec);

int main(void)

fd\_set fdset;

fd\_sock = socket(AF\_INET, SOCK\_STREAM, 0);

bzero(&remote\_sk\_addr, sizeof(remote\_sk\_addr));

remote\_sk\_addr.sin\_port = htons(REMOTE\_PORT);

remote\_sk\_addr.sin\_family = AF\_INET;

remote\_sk\_addr.sin\_addr.s\_addr = inet\_addr(REMOTE\_IP);

connect(fd\_sock, (struct sockaddr\*)&remote\_sk\_addr, sizeof(remote\_sk\_addr));

//printf("fd\_sock:%d\\n", fd\_sock);

if(fd\_sock != -1)

printf("connected to remote!");

printf("\\n");

while (1)

// FD\_ZERO(&fdset);

// FD\_SET(fd\_sock, &fdset);

bzero(buf, 27);

local\_time(buf);

printf("%s\\n", buf);

// send(fd\_sock, buf, 27, 0);

sendto(fd\_sock, buf, 27, 0, (struct sockaddr\*) &remote\_sk\_addr,sizeof(remote\_sk\_addr));

sleep(2);

// close(fd\_sock);

linux 远程修改时间,linux 获取远程系统时间的例子

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