/*----------------------------------------------------------------------------
Thread 1 'phaseA': Phase A output
*---------------------------------------------------------------------------*/
void phaseA (void const *argument) {
for (;;) {
osSignalWait(0x0001, osWaitForever); /* wait for an event flag 0x0001 */
LED_on (LED_A);
signal_func (tid_phaseB); /* call common signal function */
LED_off(LED_A);
}
}
/*----------------------------------------------------------------------------
* Thread 4 'phaseD': Phase D output
*---------------------------------------------------------------------------*/
void phaseD (void const *argument) {
for (;;) {
osSignalWait(0x0001, osWaitForever); /* wait for an event flag 0x0001 */
Switch_On (LED_D);
signal_func(tid_phaseA); /* call common signal function */
Switch_Off(LED_D);
}
}
/*----------------------------------------------------------------------------
* Task 3 'phaseC': Phase C output
*---------------------------------------------------------------------------*/
__task void phaseC (void) {
for (;;) {
os_evt_wait_and (0x0001, 0xffff); /* wait for an event flag 0x0001 */
LED_On (LED_C);
signal_func (t_phaseD); /* call common signal function */
LED_Off(LED_C);
}
}
int main(int argc, char const *argv[])
{
if (argc < 2) {
printf("Usage: %s <port>\n", argv[0]);
return 1;
}
int port = atoi(argv[1]);
struct sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = htons(port);
int ret;
int sock = socket(AF_INET, SOCK_STREAM, 0);
ASSERT(sock > 0);
ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
ASSERT(ret == 0);
ret = listen(sock, 5);
ASSERT(ret == 0);
signal(SIGINT, signal_func);
gettimeofday(&g_bgn, NULL);
socklen_t addr_len = sizeof(addr);
ret = accept(sock, (struct sockaddr*)&addr, &addr_len);
ASSERT(ret > 0);
sock = ret;
gettimeofday(&g_bgn, NULL);
char msg[65536];
for (;;) {
ret = recv(sock, msg, sizeof(msg), 0);
ASSERT(ret >= 0);
if (ret == 0)
signal_func(0);
g_bytes += ret;
g_call ++;
}
return 0;
}
Double_t SPEFunc(Double_t* x, Double_t* params)
{
return signal_func(x, params) + background_func(x,params);
}
int main(int argc, char *argv[])
{
/* conbine socket and bind and listen */
int lisfd;
lisfd = create_lisfd();
/* choise select or siganl for operation */
#define SELECT_SIGNAL_FLAG 1
#if SELECT_SIGNAL_FLAG
/* set nonbloc for listen file descriptor */
int opt;
opt = fcntl_func(lisfd, F_GETFL, 0);
fcntl_func(lisfd, F_SETFL, opt | O_NONBLOCK);
/* set received buffer size */
int recvbufsize = 1024;
setsockopt_func(lisfd, SOL_SOCKET, SO_RCVBUF, &recvbufsize, sizeof(recvbufsize));
/* waiting for connect of client */
fd_set accset;
FD_ZERO(&accset);
FD_SET(lisfd, &accset);
select_func(lisfd + 1, &accset, NULL, NULL, NULL);
#endif
/* accept */
confd = accept(lisfd, NULL, NULL);
/* choise select or siganl for operation */
#if SELECT_SIGNAL_FLAG
int en = 1;
signal_func(SIGURG, sig_urg);
fcntl_func(confd, F_SETOWN, getpid());
char buf[1024];
int i = 0;
for ( ; ; )
{
bzero(buf, sizeof(buf));
if ((recv_func(confd, buf, sizeof(buf), 0)) == 0)
{
fprintf(stdout, "client close \n");
close(confd);
confd = -1;
break;
}
fprintf(stdout, "%d :normal data buf :%s\n", ++i, buf);
sleep(1);
}
#else
char buf[1024];
fd_set rset;
fd_set xset;
FD_ZERO(&rset);
FD_ZERO(&xset);
int i = 0;
int n = 0;
for ( ; ; )
{
FD_SET(confd, &rset);
FD_SET(confd, &xset);
select_func(confd + 1, &rset, NULL, &xset, NULL);
if (FD_ISSET(confd, &rset))
{
bzero(buf, sizeof(buf));
if ((recv_func(confd, buf, sizeof(buf), 0)) == 0)
{
fprintf(stdout, "client close\n");
close(confd);
confd = -1;
break;
}
fprintf(stdout, "this select operated %d :buf: %s\n", ++i, buf);
}
if (FD_ISSET(confd, &xset))
{
bzero(buf, sizeof(buf));
/* enforce set not in first byte of buffer */
buf[0] = 'x';
n = recv_func(confd, buf, sizeof(buf), MSG_OOB);
/* not urgent data also return 1 */
fprintf(stdout, "n:%d\n", n);
/* show recv buf content, already buf[0] rewritten */
fprintf(stdout, "is urgent data :%s\n", buf);
}
sleep(1);
}
#endif
close(confd);
close(lisfd);
return 0;
}