我有一个服务器套接字,它使用setsockopt监听读取超时。服务器在连接上等待一段时间,并在一段时间后接受来自“00:00:00:00:00:00之间接受的连接”的连接。如何解决这个问题。粘贴服务器代码。我收到此错误时,我没有运行客户端代码。
void * serverMainThread(void* arg)
{
struct sockaddr_rc loc_addr = { 0 }, rem_addr = { 0 };
char buf[1024] = { 0 };
char*tokenCommand,*tokenValue;
int s, client, bytes_read, bytes_written, count = 0, distance;
socklen_t opt = sizeof(rem_addr);
struct timeval tv;
int socketflag=true, loopflag=true;
// allocate socket
s = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
if(s<0)perror("socket call error");
// bind socket to port 1 of the first available
// local bluetooth adapter
loc_addr.rc_family = AF_BLUETOOTH;
loc_addr.rc_bdaddr = *BDADDR_ANY;
loc_addr.rc_channel = (uint8_t) 1;
int b = bind(s, (struct sockaddr *)&loc_addr, sizeof(loc_addr));
if(b<0) perror("error in bind");
// put socket into listening mode
int l = listen(s, 1);
if(l<0)perror("error in listen");
tv.tv_sec = 65; // 30 seconds
tv.tv_usec = 0; // microsecs, set to 0 (or ...)
setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, (const char*)&tv,sizeof(struct timeval));
while(true)
{
printf("for new process->socket count = %d", count);
sleep(10);
// accept one connection
client = accept(s, (struct sockaddr *)&rem_addr, &opt);
printf("enter a number to continue\n");
scanf("%d",&distance);
if(client<0) perror("server thread accept");
int forkRet = fork();
loopflag= socketflag = true;
if(forkRet >= 0)
{
if(forkRet == 0)//child thread
{
childPid = getpid();
printf("pid of new child created =%d\n",(int)childPid);
ba2str( &rem_addr.rc_bdaddr, buf );
fprintf(stderr, "accepted connection from %s\n", buf);
printf("enter a number to continue\n");
scanf("%d",&distance);
memset(buf, 0, sizeof(buf));
while(socketflag)
{
// read data from the client
printf("\nbefore read\n");
bytes_read = read(client, buf, sizeof(buf));
if(bytes_read>=0) buf[bytes_read] ='\0';
printf("%d bytes read\n",bytes_read);
if(bytes_read> 0)
{
loopflag = false;
printf("\npid of current =%d\n",(int)childPid);
distance = findDistance(buf);
if(distance >= 10)
{
ringAlarm();
strcpy(buf,"Ring");
bytes_written = write(client, buf , strlen(buf));
}
else
{
bytes_written = write(client, "No Ring" , 8);
}
}
else
{
if(!loopflag)
{
printf("as loop flag is false, make socketflag false");
socketflag = false;
}
}
}
close(client);
close(s);
printf("\n child process exit\n");
exit(0);
}
else//parent
{
wait(0);
close(client);
// close(s);
printf("\n parent exit\n");
}
}
}
// close connection
//close(client);
//close(s);
}