#define LDP_MAX_NWORKERS 32
+#define LDP_F_SHUT_RD (1 << 0)
+#define LDP_F_SHUT_WR (1 << 1)
+
typedef struct ldp_fd_entry_
{
u32 session_index;
u32 fd;
u32 fd_index;
+ u32 flags;
} ldp_fd_entry_t;
typedef struct ldp_worker_ctx_
recv (int fd, void *buf, size_t n, int flags)
{
ssize_t size;
- const char *func_str;
- u32 sid = ldp_sid_from_fd (fd);
+ u32 sid;
if ((errno = -ldp_init ()))
return -1;
+ sid = ldp_sid_from_fd (fd);
if (sid != INVALID_SESSION_ID)
{
- func_str = "vppcom_session_recvfrom";
-
- if (LDP_DEBUG > 2)
- clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): "
- "sid %u (0x%x), buf %p, n %u, flags 0x%x", getpid (),
- fd, fd, func_str, sid, sid, buf, n, flags);
+ LDBG (2, "fd %d (0x%x): calling vcl recvfrom: sid %u (0x%x), buf %p,"
+ " n %u, flags 0x%x", fd, fd, sid, sid, buf, n, flags);
size = vppcom_session_recvfrom (sid, buf, n, flags, NULL);
if (size < 0)
- {
- errno = -size;
- size = -1;
- }
+ errno = -size;
}
else
{
- func_str = "libc_recv";
-
- if (LDP_DEBUG > 2)
- clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): "
- "buf %p, n %u, flags 0x%x", getpid (),
- fd, fd, func_str, buf, n, flags);
+ LDBG (2, "fd %d (0x%x): calling libc_recvfrom(): buf %p, n %u, "
+ "flags 0x%x", fd, fd, buf, n, flags);
size = libc_recv (fd, buf, n, flags);
}
- if (LDP_DEBUG > 2)
- {
- if (size < 0)
- {
- int errno_val = errno;
- perror (func_str);
- clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! "
- "rv %d, errno = %d", getpid (), fd, fd,
- func_str, size, errno_val);
- errno = errno_val;
- }
- else
- clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)",
- getpid (), fd, fd, size, size);
- }
return size;
}
int
shutdown (int fd, int how)
{
- int rv;
- const char *func_str;
- u32 sid = ldp_sid_from_fd (fd);
+ int rv = 0;
if ((errno = -ldp_init ()))
return -1;
- if (sid != INVALID_SESSION_ID)
+ if (ldp_fd_is_sid (fd))
{
- func_str = "vppcom_session_close[TODO]";
- rv = close (fd);
+ u32 fd_index = fd - ldp->sid_bit_val;
+ ldp_fd_entry_t *fde;
+
+ fde = ldp_fd_entry_get_w_lock (fd_index);
+ if (!fde)
+ {
+ clib_rwlock_reader_unlock (&ldp->fd_table_lock);
+ errno = ENOTCONN;
+ return -1;
+ }
+
+ if (how == SHUT_RD)
+ fde->flags |= LDP_F_SHUT_RD;
+ else if (how == SHUT_WR)
+ fde->flags |= LDP_F_SHUT_WR;
+ else if (how == SHUT_RDWR)
+ fde->flags |= (LDP_F_SHUT_RD | LDP_F_SHUT_WR);
+
+ if ((fde->flags & LDP_F_SHUT_RD) && (fde->flags & LDP_F_SHUT_WR))
+ rv = close (fd);
+
+ clib_rwlock_reader_unlock (&ldp->fd_table_lock);
+ LDBG (0, "fd %d (0x%x): calling vcl shutdown: how %d", fd, fd, how);
}
else
{
- func_str = "libc_shutdown";
-
- if (LDP_DEBUG > 1)
- clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): how %d",
- getpid (), fd, fd, func_str, how);
-
+ LDBG (1, "fd %d (0x%x): calling libc_shutdown: how %d", fd, fd, how);
rv = libc_shutdown (fd, how);
}
- if (LDP_DEBUG > 1)
- {
- if (rv < 0)
- {
- int errno_val = errno;
- perror (func_str);
- clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! "
- "rv %d, errno = %d", getpid (), fd, fd,
- func_str, rv, errno_val);
- errno = errno_val;
- }
- else
- clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)",
- getpid (), fd, fd, rv, rv);
- }
return rv;
}
double time_to_wait = (double) 0, time_out, now = 0;
u32 vep_idx = ldp_sid_from_fd (epfd);
int libc_epfd, rv = 0;
- const char *func_str;
if ((errno = -ldp_init ()))
return -1;
if (PREDICT_FALSE (vep_idx == INVALID_SESSION_ID))
{
- clib_warning ("LDP<%d>: ERROR: epfd %d (0x%x): bad vep_idx %d (0x%x)!",
- getpid (), epfd, epfd, vep_idx, vep_idx);
+ LDBG (0, "epfd %d (0x%x): bad vep_idx %d (0x%x)!", epfd, epfd, vep_idx,
+ vep_idx);
errno = EBADFD;
return -1;
}
time_to_wait = ((timeout >= 0) ? (double) timeout / 1000 : 0);
time_out = clib_time_now (&ldpw->clib_time) + time_to_wait;
- func_str = "vppcom_session_attr[GET_LIBC_EPFD]";
libc_epfd = vppcom_session_attr (vep_idx, VPPCOM_ATTR_GET_LIBC_EPFD, 0, 0);
if (PREDICT_FALSE (libc_epfd < 0))
{
{
if (!ldpw->epoll_wait_vcl)
{
- func_str = "vppcom_epoll_wait";
-
- LDBG (3, "epfd %d (0x%x): calling %s(): vep_idx %d (0x%x),"
- " events %p, maxevents %d", epfd, epfd, func_str,
- vep_idx, vep_idx, events, maxevents);
+ LDBG (3, "epfd %d (0x%x): calling vcl_epoll_wait: vep_idx %d (0x%x)"
+ " events %p, maxevents %d", epfd, epfd, vep_idx, vep_idx,
+ events, maxevents);
rv = vppcom_epoll_wait (vep_idx, events, maxevents, 0);
if (rv > 0)
if (libc_epfd > 0)
{
- func_str = "libc_epoll_pwait";
-
- LDBG (3, "epfd %d (0x%x): calling %s(): libc_epfd %d "
- "(0x%x), events %p, maxevents %d, sigmask %p",
- epfd, epfd, func_str, libc_epfd, libc_epfd, events,
- maxevents, sigmask);
+ LDBG (3, "epfd %d (0x%x): calling libc_epoll_wait: libc_epfd %d "
+ "(0x%x), events %p, maxevents %d, sigmask %p", epfd, epfd,
+ libc_epfd, libc_epfd, events, maxevents, sigmask);
rv = libc_epoll_pwait (libc_epfd, events, maxevents, 0, sigmask);
if (rv != 0)
while (now < time_out);
done:
- if (LDP_DEBUG > 3)
- {
- if (libc_epfd > 0)
- epfd = libc_epfd;
- if (rv < 0)
- {
- int errno_val = errno;
- perror (func_str);
- clib_warning ("LDP<%d>: ERROR: epfd %d (0x%x): %s() failed! "
- "rv %d, errno = %d", getpid (), epfd, epfd,
- func_str, rv, errno_val);
- errno = errno_val;
- }
- else
- clib_warning ("LDP<%d>: epfd %d (0x%x): returning %d (0x%x)",
- getpid (), epfd, epfd, rv, rv);
- }
return rv;
}
Code Review / vpp.git / blobdiff