84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
#include<stdio.h>
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#include<stdlib.h>
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#include<string.h>
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#include<errno.h>
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#include<sys/types.h>
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#include<sys/socket.h>
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#include<sys/time.h>
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#include<netinet/in.h>
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#include<arpa/inet.h>
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#include<unistd.h>
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#include<fcntl.h>
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#include<pthread.h>
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#define MAXLINE 4096
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int main(int argc, char** argv)
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{
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int sockfd, n;
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char recvline[4096], sendline[4096];
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struct sockaddr_in servaddr;
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int fd, size, send_count = 0;
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char buf[200];
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char recvbuffer[200];
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char sendbuf[2] = {0xc0, 0x00};
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if( argc != 2){
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printf("usage: ./client <ipaddress>\n");
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return 0;
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}
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if( (sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0){
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printf("create socket error: %s(errno: %d)\n", strerror(errno),errno);
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return 0;
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}
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memset(&servaddr, 0, sizeof(servaddr));
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servaddr.sin_family = AF_INET;
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servaddr.sin_port = htons(5150);
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if ( inet_pton(AF_INET, argv[1], &servaddr.sin_addr) <= 0) {
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printf("inet_pton error for %s\n",argv[1]);
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return 0;
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}
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char timestamp = 0;
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setsockopt(sockfd, SOL_SOCKET, SO_TIMESTAMP, (const char*)×tamp, sizeof(char));
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if (connect(sockfd, (struct sockaddr*)&servaddr, sizeof(servaddr)) < 0) {
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printf("connect error: %s (errno: %d)\n",strerror(errno),errno);
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return 0;
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}
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printf("connected to server \n");
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//fd = open("/sys/kernel/debug/tcp_keepalive_param/tcp_param", O_RDONLY);
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fd = open("/proc/tcp_params", O_RDONLY);
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//fgets(sendline, 4096, stdin);
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while (1) {
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if (send_count == 5) {
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memset(buf, 0, 200);
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memset(recvbuffer, 0, 200);
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lseek(fd, 0, SEEK_SET);
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size = read(fd, buf, 200);
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system(buf);
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usleep(200*200);
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system("dhd_priv wl tcpka_conn_enable 1 1 10 1 8");
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usleep(200*200);
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system("dhd_priv setsuspendmode 1");
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usleep(200*200);
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system("poweroff");
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while (1)
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sleep(1);
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}
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if (send(sockfd, "hellp tcp", 9, 0) != 9) {
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printf("send msg error: %s(errno: %d)\n", strerror(errno), errno);
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return 0;
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}
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send_count++;
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sleep(1);
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}
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close(sockfd);
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return 0;
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}
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