#include <vcl/vppcom.h>
#include <vppinfra/time.h>
#include <vppinfra/bitmap.h>
+#include <vppinfra/lock.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/hash.h>
#define HAVE_CONSTRUCTOR_ATTRIBUTE
#ifdef HAVE_CONSTRUCTOR_ATTRIBUTE
#define DESTRUCTOR_ATTRIBUTE
#endif
-typedef struct
+#define LDP_MAX_NWORKERS 32
+
+typedef struct ldp_fd_entry_
+{
+ u32 session_index;
+ u32 fd;
+ u32 fd_index;
+} ldp_fd_entry_t;
+
+typedef struct ldp_worker_ctx_
{
- int init;
- char app_name[LDP_APP_NAME_MAX];
- u32 sid_bit_val;
- u32 sid_bit_mask;
- u32 debug;
u8 *io_buffer;
clib_time_t clib_time;
+
+ /*
+ * Select state
+ */
clib_bitmap_t *rd_bitmap;
clib_bitmap_t *wr_bitmap;
clib_bitmap_t *ex_bitmap;
clib_bitmap_t *libc_rd_bitmap;
clib_bitmap_t *libc_wr_bitmap;
clib_bitmap_t *libc_ex_bitmap;
+ u8 select_vcl;
+
+ /*
+ * Poll state
+ */
vcl_poll_t *vcl_poll;
struct pollfd *libc_poll;
u16 *libc_poll_idxs;
- u8 select_vcl;
+
+ /*
+ * Epoll state
+ */
u8 epoll_wait_vcl;
- u8 vcl_needs_real_epoll; /*< vcl needs next epoll_create to
- go to libc_epoll */
int vcl_mq_epfd;
+} ldp_worker_ctx_t;
+
+typedef struct
+{
+ ldp_worker_ctx_t *workers;
+ int init;
+ char app_name[LDP_APP_NAME_MAX];
+ u32 sid_bit_val;
+ u32 sid_bit_mask;
+ u32 debug;
+ ldp_fd_entry_t *fd_pool;
+ clib_rwlock_t fd_table_lock;
+ uword *session_index_to_fd_table;
+
+ /** vcl needs next epoll_create to go to libc_epoll */
+ u8 vcl_needs_real_epoll;
} ldp_main_t;
+
#define LDP_DEBUG ldp->debug
#define LDBG(_lvl, _fmt, _args...) \
static ldp_main_t *ldp = &ldp_main;
+static inline ldp_worker_ctx_t *
+ldp_worker_get_current (void)
+{
+ return (ldp->workers + vppcom_worker_index ());
+}
+
/*
* RETURN: 0 on success or -1 on error.
* */
return ldp->app_name;
}
+static int
+ldp_fd_alloc (u32 sid)
+{
+ ldp_fd_entry_t *fde;
+
+ clib_rwlock_writer_lock (&ldp->fd_table_lock);
+ if (pool_elts (ldp->fd_pool) >= (1ULL << 32) - ldp->sid_bit_val)
+ {
+ clib_rwlock_writer_unlock (&ldp->fd_table_lock);
+ return -1;
+ }
+ pool_get (ldp->fd_pool, fde);
+ fde->session_index = vppcom_session_index (sid);
+ fde->fd_index = fde - ldp->fd_pool;
+ fde->fd = fde->fd_index + ldp->sid_bit_val;
+ hash_set (ldp->session_index_to_fd_table, fde->session_index, fde->fd);
+ clib_rwlock_writer_unlock (&ldp->fd_table_lock);
+ return fde->fd;
+}
+
+static ldp_fd_entry_t *
+ldp_fd_entry_get_w_lock (u32 fd_index)
+{
+ clib_rwlock_reader_lock (&ldp->fd_table_lock);
+ if (pool_is_free_index (ldp->fd_pool, fd_index))
+ return 0;
+
+ return pool_elt_at_index (ldp->fd_pool, fd_index);
+}
+
static inline int
ldp_fd_from_sid (u32 sid)
{
- if (PREDICT_FALSE (sid >= ldp->sid_bit_val))
- return -EMFILE;
- else
- return (sid | ldp->sid_bit_val);
+ uword *fdp;
+ int fd;
+
+ clib_rwlock_reader_lock (&ldp->fd_table_lock);
+ fdp = hash_get (ldp->session_index_to_fd_table, vppcom_session_index (sid));
+ fd = fdp ? *fdp : -EMFILE;
+ clib_rwlock_reader_unlock (&ldp->fd_table_lock);
+
+ return fd;
}
static inline int
ldp_fd_is_sid (int fd)
{
- return ((u32) fd & ldp->sid_bit_val) ? 1 : 0;
+ return fd >= ldp->sid_bit_val;
}
static inline u32
ldp_sid_from_fd (int fd)
{
- return (ldp_fd_is_sid (fd) ? ((u32) fd & ldp->sid_bit_mask) :
- INVALID_SESSION_ID);
+ u32 fd_index, session_index;
+ ldp_fd_entry_t *fde;
+
+ if (!ldp_fd_is_sid (fd))
+ return INVALID_SESSION_ID;
+
+ fd_index = fd - ldp->sid_bit_val;
+ fde = ldp_fd_entry_get_w_lock (fd_index);
+ if (!fde)
+ {
+ LDBG (0, "unknown fd %d", fd);
+ clib_rwlock_reader_unlock (&ldp->fd_table_lock);
+ return INVALID_SESSION_ID;
+ }
+ session_index = fde->session_index;
+ clib_rwlock_reader_unlock (&ldp->fd_table_lock);
+
+ return vppcom_session_handle (session_index);
+}
+
+static void
+ldp_fd_free_w_sid (u32 sid)
+{
+ ldp_fd_entry_t *fde;
+ u32 fd_index;
+ int fd;
+
+ fd = ldp_fd_from_sid (sid);
+ if (!fd)
+ return;
+
+ fd_index = fd - ldp->sid_bit_val;
+ fde = ldp_fd_entry_get_w_lock (fd_index);
+ if (fde)
+ {
+ hash_unset (ldp->session_index_to_fd_table, fde->session_index);
+ pool_put (ldp->fd_pool, fde);
+ }
+ clib_rwlock_writer_unlock (&ldp->fd_table_lock);
}
static inline int
ldp_init (void)
{
+ ldp_worker_ctx_t *ldpw;
int rv;
if (PREDICT_TRUE (ldp->init))
return rv;
}
ldp->vcl_needs_real_epoll = 0;
+ pool_alloc (ldp->workers, LDP_MAX_NWORKERS);
+ ldpw = ldp_worker_get_current ();
char *env_var_str = getenv (LDP_ENV_DEBUG);
if (env_var_str)
}
}
- clib_time_init (&ldp->clib_time);
+ clib_time_init (&ldpw->clib_time);
+ clib_rwlock_init (&ldp->fd_table_lock);
LDBG (0, "LDP<%d>: LDP initialization: done!", getpid ());
return 0;
int
close (int fd)
{
- int rv;
+ int rv, refcnt;
const char *func_str;
u32 sid = ldp_sid_from_fd (fd);
LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x)",
getpid (), fd, fd, func_str, sid, sid);
+ refcnt = vppcom_session_attr (sid, VPPCOM_ATTR_GET_REFCNT, 0, 0);
rv = vppcom_session_close (sid);
if (rv != VPPCOM_OK)
{
errno = -rv;
rv = -1;
}
+ if (refcnt == 1)
+ ldp_fd_free_w_sid (sid);
}
else
{
const struct timespec *__restrict timeout,
const __sigset_t * __restrict sigmask)
{
- int rv;
+ uword sid_bits, sid_bits_set, libc_bits, libc_bits_set;
+ ldp_worker_ctx_t *ldpw = ldp_worker_get_current ();
+ u32 minbits = clib_max (nfds, BITS (uword)), sid;
char *func_str = "##";
f64 time_out;
- int fd;
- uword sid_bits, sid_bits_set, libc_bits, libc_bits_set;
- u32 minbits = clib_max (nfds, BITS (uword));
- u32 sid;
+ int rv, fd;
if (nfds < 0)
{
LDBG (3, "LDP<%d>: sleeping for %.02f seconds", getpid (),
time_out);
- time_out += clib_time_now (&ldp->clib_time);
- while (clib_time_now (&ldp->clib_time) < time_out)
+ time_out += clib_time_now (&ldpw->clib_time);
+ while (clib_time_now (&ldpw->clib_time) < time_out)
;
return 0;
}
u32 n_bytes = nfds / 8 + ((nfds % 8) ? 1 : 0);
if (readfds)
{
- clib_bitmap_validate (ldp->sid_rd_bitmap, minbits);
- clib_bitmap_validate (ldp->libc_rd_bitmap, minbits);
- clib_bitmap_validate (ldp->rd_bitmap, minbits);
- clib_memcpy_fast (ldp->rd_bitmap, readfds, n_bytes);
+ clib_bitmap_validate (ldpw->sid_rd_bitmap, minbits);
+ clib_bitmap_validate (ldpw->libc_rd_bitmap, minbits);
+ clib_bitmap_validate (ldpw->rd_bitmap, minbits);
+ clib_memcpy_fast (ldpw->rd_bitmap, readfds, n_bytes);
memset (readfds, 0, n_bytes);
/* *INDENT-OFF* */
- clib_bitmap_foreach (fd, ldp->rd_bitmap, ({
+ clib_bitmap_foreach (fd, ldpw->rd_bitmap, ({
if (fd > nfds)
break;
sid = ldp_sid_from_fd (fd);
LDBG (3, "LDP<%d>: readfds: fd %d (0x%x), sid %u (0x%x)",
getpid (), fd, fd, sid, sid);
if (sid == INVALID_SESSION_ID)
- clib_bitmap_set_no_check (ldp->libc_rd_bitmap, fd, 1);
+ clib_bitmap_set_no_check (ldpw->libc_rd_bitmap, fd, 1);
else
- clib_bitmap_set_no_check (ldp->sid_rd_bitmap, sid, 1);
+ clib_bitmap_set_no_check (ldpw->sid_rd_bitmap,
+ vppcom_session_index (sid), 1);
}));
/* *INDENT-ON* */
- sid_bits_set = clib_bitmap_last_set (ldp->sid_rd_bitmap) + 1;
+ sid_bits_set = clib_bitmap_last_set (ldpw->sid_rd_bitmap) + 1;
sid_bits = (sid_bits_set > sid_bits) ? sid_bits_set : sid_bits;
- libc_bits_set = clib_bitmap_last_set (ldp->libc_rd_bitmap) + 1;
+ libc_bits_set = clib_bitmap_last_set (ldpw->libc_rd_bitmap) + 1;
libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits;
LDBG (3, "LDP<%d>: readfds: sid_bits_set %d, sid_bits %d, "
}
if (writefds)
{
- clib_bitmap_validate (ldp->sid_wr_bitmap, minbits);
- clib_bitmap_validate (ldp->libc_wr_bitmap, minbits);
- clib_bitmap_validate (ldp->wr_bitmap, minbits);
- clib_memcpy_fast (ldp->wr_bitmap, writefds, n_bytes);
+ clib_bitmap_validate (ldpw->sid_wr_bitmap, minbits);
+ clib_bitmap_validate (ldpw->libc_wr_bitmap, minbits);
+ clib_bitmap_validate (ldpw->wr_bitmap, minbits);
+ clib_memcpy_fast (ldpw->wr_bitmap, writefds, n_bytes);
memset (writefds, 0, n_bytes);
/* *INDENT-OFF* */
- clib_bitmap_foreach (fd, ldp->wr_bitmap, ({
+ clib_bitmap_foreach (fd, ldpw->wr_bitmap, ({
if (fd > nfds)
break;
sid = ldp_sid_from_fd (fd);
LDBG (3, "LDP<%d>: writefds: fd %d (0x%x), sid %u (0x%x)",
getpid (), fd, fd, sid, sid);
if (sid == INVALID_SESSION_ID)
- clib_bitmap_set_no_check (ldp->libc_wr_bitmap, fd, 1);
+ clib_bitmap_set_no_check (ldpw->libc_wr_bitmap, fd, 1);
else
- clib_bitmap_set_no_check (ldp->sid_wr_bitmap, sid, 1);
+ clib_bitmap_set_no_check (ldpw->sid_wr_bitmap,
+ vppcom_session_index (sid), 1);
}));
/* *INDENT-ON* */
- sid_bits_set = clib_bitmap_last_set (ldp->sid_wr_bitmap) + 1;
+ sid_bits_set = clib_bitmap_last_set (ldpw->sid_wr_bitmap) + 1;
sid_bits = (sid_bits_set > sid_bits) ? sid_bits_set : sid_bits;
- libc_bits_set = clib_bitmap_last_set (ldp->libc_wr_bitmap) + 1;
+ libc_bits_set = clib_bitmap_last_set (ldpw->libc_wr_bitmap) + 1;
libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits;
LDBG (3, "LDP<%d>: writefds: sid_bits_set %d, sid_bits %d, "
}
if (exceptfds)
{
- clib_bitmap_validate (ldp->sid_ex_bitmap, minbits);
- clib_bitmap_validate (ldp->libc_ex_bitmap, minbits);
- clib_bitmap_validate (ldp->ex_bitmap, minbits);
- clib_memcpy_fast (ldp->ex_bitmap, exceptfds, n_bytes);
+ clib_bitmap_validate (ldpw->sid_ex_bitmap, minbits);
+ clib_bitmap_validate (ldpw->libc_ex_bitmap, minbits);
+ clib_bitmap_validate (ldpw->ex_bitmap, minbits);
+ clib_memcpy_fast (ldpw->ex_bitmap, exceptfds, n_bytes);
memset (exceptfds, 0, n_bytes);
/* *INDENT-OFF* */
- clib_bitmap_foreach (fd, ldp->ex_bitmap, ({
+ clib_bitmap_foreach (fd, ldpw->ex_bitmap, ({
if (fd > nfds)
break;
sid = ldp_sid_from_fd (fd);
LDBG (3, "LDP<%d>: exceptfds: fd %d (0x%x), sid %u (0x%x)",
getpid (), fd, fd, sid, sid);
if (sid == INVALID_SESSION_ID)
- clib_bitmap_set_no_check (ldp->libc_ex_bitmap, fd, 1);
+ clib_bitmap_set_no_check (ldpw->libc_ex_bitmap, fd, 1);
else
- clib_bitmap_set_no_check (ldp->sid_ex_bitmap, sid, 1);
+ clib_bitmap_set_no_check (ldpw->sid_ex_bitmap,
+ vppcom_session_index (sid), 1);
}));
/* *INDENT-ON* */
- sid_bits_set = clib_bitmap_last_set (ldp->sid_ex_bitmap) + 1;
+ sid_bits_set = clib_bitmap_last_set (ldpw->sid_ex_bitmap) + 1;
sid_bits = (sid_bits_set > sid_bits) ? sid_bits_set : sid_bits;
- libc_bits_set = clib_bitmap_last_set (ldp->libc_ex_bitmap) + 1;
+ libc_bits_set = clib_bitmap_last_set (ldpw->libc_ex_bitmap) + 1;
libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits;
LDBG (3, "LDP<%d>: exceptfds: sid_bits_set %d, sid_bits %d, "
{
if (sid_bits)
{
- if (!ldp->select_vcl)
+ if (!ldpw->select_vcl)
{
func_str = "vppcom_select";
if (readfds)
- clib_memcpy_fast (ldp->rd_bitmap, ldp->sid_rd_bitmap,
- vec_len (ldp->rd_bitmap) *
+ clib_memcpy_fast (ldpw->rd_bitmap, ldpw->sid_rd_bitmap,
+ vec_len (ldpw->rd_bitmap) *
sizeof (clib_bitmap_t));
if (writefds)
- clib_memcpy_fast (ldp->wr_bitmap, ldp->sid_wr_bitmap,
- vec_len (ldp->wr_bitmap) *
+ clib_memcpy_fast (ldpw->wr_bitmap, ldpw->sid_wr_bitmap,
+ vec_len (ldpw->wr_bitmap) *
sizeof (clib_bitmap_t));
if (exceptfds)
- clib_memcpy_fast (ldp->ex_bitmap, ldp->sid_ex_bitmap,
- vec_len (ldp->ex_bitmap) *
+ clib_memcpy_fast (ldpw->ex_bitmap, ldpw->sid_ex_bitmap,
+ vec_len (ldpw->ex_bitmap) *
sizeof (clib_bitmap_t));
rv = vppcom_select (sid_bits,
- readfds ? ldp->rd_bitmap : NULL,
- writefds ? ldp->wr_bitmap : NULL,
- exceptfds ? ldp->ex_bitmap : NULL, 0);
+ readfds ? ldpw->rd_bitmap : NULL,
+ writefds ? ldpw->wr_bitmap : NULL,
+ exceptfds ? ldpw->ex_bitmap : NULL, 0);
if (rv < 0)
{
errno = -rv;
if (readfds)
{
/* *INDENT-OFF* */
- clib_bitmap_foreach (sid, ldp->rd_bitmap,
+ clib_bitmap_foreach (sid, ldpw->rd_bitmap,
({
- fd = ldp_fd_from_sid (sid);
+ fd = ldp_fd_from_sid (vppcom_session_handle (sid));
if (PREDICT_FALSE (fd < 0))
{
errno = EBADFD;
if (writefds)
{
/* *INDENT-OFF* */
- clib_bitmap_foreach (sid, ldp->wr_bitmap,
+ clib_bitmap_foreach (sid, ldpw->wr_bitmap,
({
- fd = ldp_fd_from_sid (sid);
+ fd = ldp_fd_from_sid (vppcom_session_handle (sid));
if (PREDICT_FALSE (fd < 0))
{
errno = EBADFD;
if (exceptfds)
{
/* *INDENT-OFF* */
- clib_bitmap_foreach (sid, ldp->ex_bitmap,
+ clib_bitmap_foreach (sid, ldpw->ex_bitmap,
({
- fd = ldp_fd_from_sid (sid);
+ fd = ldp_fd_from_sid (vppcom_session_handle (sid));
if (PREDICT_FALSE (fd < 0))
{
errno = EBADFD;
}));
/* *INDENT-ON* */
}
- ldp->select_vcl = 1;
+ ldpw->select_vcl = 1;
goto done;
}
}
else
- ldp->select_vcl = 0;
+ ldpw->select_vcl = 0;
}
if (libc_bits)
{
func_str = "libc_pselect";
if (readfds)
- clib_memcpy_fast (readfds, ldp->libc_rd_bitmap,
- vec_len (ldp->rd_bitmap) *
+ clib_memcpy_fast (readfds, ldpw->libc_rd_bitmap,
+ vec_len (ldpw->rd_bitmap) *
sizeof (clib_bitmap_t));
if (writefds)
- clib_memcpy_fast (writefds, ldp->libc_wr_bitmap,
- vec_len (ldp->wr_bitmap) *
+ clib_memcpy_fast (writefds, ldpw->libc_wr_bitmap,
+ vec_len (ldpw->wr_bitmap) *
sizeof (clib_bitmap_t));
if (exceptfds)
- clib_memcpy_fast (exceptfds, ldp->libc_ex_bitmap,
- vec_len (ldp->ex_bitmap) *
+ clib_memcpy_fast (exceptfds, ldpw->libc_ex_bitmap,
+ vec_len (ldpw->ex_bitmap) *
sizeof (clib_bitmap_t));
tspec.tv_sec = tspec.tv_nsec = 0;
rv = libc_pselect (libc_bits,
goto done;
}
}
- while ((time_out == -1) || (clib_time_now (&ldp->clib_time) < time_out));
+ while ((time_out == -1) || (clib_time_now (&ldpw->clib_time) < time_out));
rv = 0;
done:
/* TBD: set timeout to amount of time left */
- clib_bitmap_zero (ldp->rd_bitmap);
- clib_bitmap_zero (ldp->sid_rd_bitmap);
- clib_bitmap_zero (ldp->libc_rd_bitmap);
- clib_bitmap_zero (ldp->wr_bitmap);
- clib_bitmap_zero (ldp->sid_wr_bitmap);
- clib_bitmap_zero (ldp->libc_wr_bitmap);
- clib_bitmap_zero (ldp->ex_bitmap);
- clib_bitmap_zero (ldp->sid_ex_bitmap);
- clib_bitmap_zero (ldp->libc_ex_bitmap);
+ clib_bitmap_zero (ldpw->rd_bitmap);
+ clib_bitmap_zero (ldpw->sid_rd_bitmap);
+ clib_bitmap_zero (ldpw->libc_rd_bitmap);
+ clib_bitmap_zero (ldpw->wr_bitmap);
+ clib_bitmap_zero (ldpw->sid_wr_bitmap);
+ clib_bitmap_zero (ldpw->libc_wr_bitmap);
+ clib_bitmap_zero (ldpw->ex_bitmap);
+ clib_bitmap_zero (ldpw->sid_ex_bitmap);
+ clib_bitmap_zero (ldpw->libc_ex_bitmap);
if (LDP_DEBUG > 3)
{
else
{
func_str = "ldp_fd_from_sid";
- rv = ldp_fd_from_sid (sid);
+ rv = ldp_fd_alloc (sid);
if (rv < 0)
{
(void) vppcom_session_close (sid);
ssize_t
sendfile (int out_fd, int in_fd, off_t * offset, size_t len)
{
+ ldp_worker_ctx_t *ldpw = ldp_worker_get_current ();
ssize_t size = 0;
const char *func_str;
u32 sid = ldp_sid_from_fd (out_fd);
out_fd, out_fd, func_str, sid, sid, rv,
vppcom_retval_str (rv));
- vec_reset_length (ldp->io_buffer);
+ vec_reset_length (ldpw->io_buffer);
errno = -rv;
size = -1;
goto done;
("LDP<%d>: ERROR: fd %d (0x%x): %s(): sid %u (0x%x), "
"returned %d (%s)!", getpid (), out_fd, out_fd, func_str,
sid, sid, size, vppcom_retval_str (size));
- vec_reset_length (ldp->io_buffer);
+ vec_reset_length (ldpw->io_buffer);
errno = -size;
size = -1;
goto done;
continue;
}
bytes_to_read = clib_min (n_bytes_left, bytes_to_read);
- vec_validate (ldp->io_buffer, bytes_to_read);
- nbytes = libc_read (in_fd, ldp->io_buffer, bytes_to_read);
+ vec_validate (ldpw->io_buffer, bytes_to_read);
+ nbytes = libc_read (in_fd, ldpw->io_buffer, bytes_to_read);
if (nbytes < 0)
{
func_str = "libc_read";
clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s(): in_fd (%d), "
"io_buffer %p, bytes_to_read %lu, rv %d, "
"errno %d", getpid (), out_fd, out_fd, func_str,
- in_fd, ldp->io_buffer, bytes_to_read, nbytes,
+ in_fd, ldpw->io_buffer, bytes_to_read, nbytes,
errno_val);
errno = errno_val;
if (results == 0)
{
- vec_reset_length (ldp->io_buffer);
+ vec_reset_length (ldpw->io_buffer);
size = -1;
goto done;
}
clib_warning
("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), "
"buf %p, nbytes %u: results %d, n_bytes_left %d", getpid (),
- out_fd, out_fd, func_str, sid, sid, ldp->io_buffer, nbytes,
+ out_fd, out_fd, func_str, sid, sid, ldpw->io_buffer, nbytes,
results, n_bytes_left);
- size = vppcom_session_write (sid, ldp->io_buffer, nbytes);
+ size = vppcom_session_write (sid, ldpw->io_buffer, nbytes);
if (size < 0)
{
if (size == VPPCOM_EAGAIN)
"sid %u, io_buffer %p, nbytes %u "
"returned %d (%s)",
getpid (), out_fd, out_fd, func_str,
- sid, ldp->io_buffer, nbytes,
+ sid, ldpw->io_buffer, nbytes,
size, vppcom_retval_str (size));
}
if (results == 0)
{
- vec_reset_length (ldp->io_buffer);
+ vec_reset_length (ldpw->io_buffer);
errno = -size;
size = -1;
goto done;
while (n_bytes_left > 0);
update_offset:
- vec_reset_length (ldp->io_buffer);
+ vec_reset_length (ldpw->io_buffer);
if (offset)
{
off_t off = lseek (in_fd, *offset, SEEK_SET);
"accept sid %u (0x%x), ep %p, flags 0x%x",
getpid (), listen_fd, listen_fd,
func_str, accept_sid, accept_sid, ep, flags);
- rv = ldp_fd_from_sid ((u32) accept_sid);
+ rv = ldp_fd_alloc ((u32) accept_sid);
if (rv < 0)
{
(void) vppcom_session_close ((u32) accept_sid);
int
epoll_create1 (int flags)
{
+ ldp_worker_ctx_t *ldpw = ldp_worker_get_current ();
const char *func_str;
int rv;
{
rv = libc_epoll_create1 (flags);
ldp->vcl_needs_real_epoll = 0;
- ldp->vcl_mq_epfd = rv;
+ ldpw->vcl_mq_epfd = rv;
LDBG (0, "LDP<%d>: created vcl epfd %u", getpid (), rv);
return rv;
}
rv = -1;
}
else
- rv = ldp_fd_from_sid ((u32) rv);
+ rv = ldp_fd_alloc ((u32) rv);
if (LDP_DEBUG > 1)
{
ldp_epoll_pwait (int epfd, struct epoll_event *events, int maxevents,
int timeout, const sigset_t * sigmask)
{
+ ldp_worker_ctx_t *ldpw = ldp_worker_get_current ();
double time_to_wait = (double) 0, time_out, now = 0;
u32 vep_idx = ldp_sid_from_fd (epfd);
int libc_epfd, rv = 0;
return -1;
}
- if (epfd == ldp->vcl_mq_epfd)
+ if (epfd == ldpw->vcl_mq_epfd)
return libc_epoll_pwait (epfd, events, maxevents, timeout, sigmask);
if (PREDICT_FALSE (vep_idx == INVALID_SESSION_ID))
}
time_to_wait = ((timeout >= 0) ? (double) timeout : 0);
- time_out = clib_time_now (&ldp->clib_time) + time_to_wait;
+ 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);
maxevents, timeout, sigmask, time_to_wait, time_out);
do
{
- if (!ldp->epoll_wait_vcl)
+ if (!ldpw->epoll_wait_vcl)
{
func_str = "vppcom_epoll_wait";
rv = vppcom_epoll_wait (vep_idx, events, maxevents, 0);
if (rv > 0)
{
- ldp->epoll_wait_vcl = 1;
+ ldpw->epoll_wait_vcl = 1;
goto done;
}
else if (rv < 0)
}
}
else
- ldp->epoll_wait_vcl = 0;
+ ldpw->epoll_wait_vcl = 0;
if (libc_epfd > 0)
{
}
if (timeout != -1)
- now = clib_time_now (&ldp->clib_time);
+ now = clib_time_now (&ldpw->clib_time);
}
while (now < time_out);
int
poll (struct pollfd *fds, nfds_t nfds, int timeout)
{
+ ldp_worker_ctx_t *ldpw = ldp_worker_get_current ();
const char *func_str = __func__;
int rv, i, n_revents = 0;
u32 sid;
if (sid != INVALID_SESSION_ID)
{
fds[i].fd = -fds[i].fd;
- vec_add2 (ldp->vcl_poll, vp, 1);
+ vec_add2 (ldpw->vcl_poll, vp, 1);
vp->fds_ndx = i;
vp->sid = sid;
vp->events = fds[i].events;
}
else
{
- vec_add1 (ldp->libc_poll, fds[i]);
- vec_add1 (ldp->libc_poll_idxs, i);
+ vec_add1 (ldpw->libc_poll, fds[i]);
+ vec_add1 (ldpw->libc_poll_idxs, i);
}
}
do
{
- if (vec_len (ldp->vcl_poll))
+ if (vec_len (ldpw->vcl_poll))
{
func_str = "vppcom_poll";
LDBG (3, "LDP<%d>: calling %s(): vcl_poll %p, n_sids %u (0x%x): "
- "n_libc_fds %u", getpid (), func_str, ldp->vcl_poll,
- vec_len (ldp->vcl_poll), vec_len (ldp->vcl_poll),
- vec_len (ldp->libc_poll));
+ "n_libc_fds %u", getpid (), func_str, ldpw->vcl_poll,
+ vec_len (ldpw->vcl_poll), vec_len (ldpw->vcl_poll),
+ vec_len (ldpw->libc_poll));
- rv = vppcom_poll (ldp->vcl_poll, vec_len (ldp->vcl_poll), 0);
+ rv = vppcom_poll (ldpw->vcl_poll, vec_len (ldpw->vcl_poll), 0);
if (rv < 0)
{
errno = -rv;
n_revents += rv;
}
- if (vec_len (ldp->libc_poll))
+ if (vec_len (ldpw->libc_poll))
{
func_str = "libc_poll";
LDBG (3, "LDP<%d>: calling %s(): fds %p, nfds %u: n_sids %u",
- getpid (), fds, nfds, vec_len (ldp->vcl_poll));
+ getpid (), fds, nfds, vec_len (ldpw->vcl_poll));
- rv = libc_poll (ldp->libc_poll, vec_len (ldp->libc_poll), 0);
+ rv = libc_poll (ldpw->libc_poll, vec_len (ldpw->libc_poll), 0);
if (rv < 0)
goto done;
else
}
}
while ((wait_for_time == -1) ||
- (clib_time_now (&ldp->clib_time) < wait_for_time));
+ (clib_time_now (&ldpw->clib_time) < wait_for_time));
rv = 0;
done:
- vec_foreach (vp, ldp->vcl_poll)
+ vec_foreach (vp, ldpw->vcl_poll)
{
fds[vp->fds_ndx].fd = -fds[vp->fds_ndx].fd;
fds[vp->fds_ndx].revents = vp->revents;
fds[vp->fds_ndx].revents |= POLLWRNORM;
#endif
}
- vec_reset_length (ldp->vcl_poll);
+ vec_reset_length (ldpw->vcl_poll);
- for (i = 0; i < vec_len (ldp->libc_poll); i++)
+ for (i = 0; i < vec_len (ldpw->libc_poll); i++)
{
- fds[ldp->libc_poll_idxs[i]].revents = ldp->libc_poll[i].revents;
+ fds[ldpw->libc_poll_idxs[i]].revents = ldpw->libc_poll[i].revents;
}
- vec_reset_length (ldp->libc_poll_idxs);
- vec_reset_length (ldp->libc_poll);
+ vec_reset_length (ldpw->libc_poll_idxs);
+ vec_reset_length (ldpw->libc_poll);
if (LDP_DEBUG > 3)
{
{
clib_warning ("LDP<%d>: returning %d (0x%x): n_sids %u, "
"n_libc_fds %d", getpid (), rv, rv,
- vec_len (ldp->vcl_poll), vec_len (ldp->libc_poll));
+ vec_len (ldpw->vcl_poll), vec_len (ldpw->libc_poll));
for (i = 0; i < nfds; i++)
{
{
swrap_destructor ();
if (ldp->init)
- {
- vppcom_app_destroy ();
- ldp->init = 0;
- }
+ ldp->init = 0;
/* Don't use clib_warning() here because that calls writev()
* which will call ldp_init().