#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 ldp_fd_entry_
+{
+ u32 sid;
+ u32 fd;
+ u32 fd_index;
+} ldp_fd_entry_t;
+
typedef struct
{
int init;
clib_bitmap_t *libc_wr_bitmap;
clib_bitmap_t *libc_ex_bitmap;
vcl_poll_t *vcl_poll;
+ struct pollfd *libc_poll;
+ u16 *libc_poll_idxs;
u8 select_vcl;
u8 epoll_wait_vcl;
+ u8 vcl_needs_real_epoll; /*< vcl needs next epoll_create to
+ go to libc_epoll */
+ int vcl_mq_epfd;
+ ldp_fd_entry_t *fd_pool;
+ clib_rwlock_t fd_table_lock;
+ uword *sid_to_fd_table;
} ldp_main_t;
#define LDP_DEBUG ldp->debug
+#define LDBG(_lvl, _fmt, _args...) \
+ if (ldp->debug > _lvl) \
+ clib_warning (_fmt, ##_args)
+
static ldp_main_t ldp_main = {
.sid_bit_val = (1 << LDP_SID_BIT_MIN),
.sid_bit_mask = (1 << LDP_SID_BIT_MIN) - 1,
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->sid = sid;
+ fde->fd_index = fde - ldp->fd_pool;
+ fde->fd = fde->fd_index + ldp->sid_bit_val;
+ hash_set (ldp->sid_to_fd_table, sid, 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->sid_to_fd_table, 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);
+ ldp_fd_entry_t *fde;
+ u32 fd_index, sid;
+
+ 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);
+ sid = fde ? fde->sid : INVALID_SESSION_ID;
+ clib_rwlock_reader_unlock (&ldp->fd_table_lock);
+
+ /* Handle forks */
+ sid = vppcom_session_handle (vppcom_session_index (sid));
+ return sid;
+}
+
+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->sid_to_fd_table, fde->sid);
+ pool_put (ldp->fd_pool, fde);
+ }
+ clib_rwlock_writer_unlock (&ldp->fd_table_lock);
}
static inline int
ldp_init (void)
{
- int rv = 0;
+ int rv;
+
+ if (PREDICT_TRUE (ldp->init))
+ return 0;
+
+ ldp->init = 1;
+ ldp->vcl_needs_real_epoll = 1;
+ rv = vppcom_app_create (ldp_get_app_name ());
+ if (rv != VPPCOM_OK)
+ {
+ fprintf (stderr, "\nLDP<%d>: ERROR: ldp_init: vppcom_app_create()"
+ " failed! rv = %d (%s)\n",
+ getpid (), rv, vppcom_retval_str (rv));
+ ldp->init = 0;
+ return rv;
+ }
+ ldp->vcl_needs_real_epoll = 0;
- if (PREDICT_FALSE (!ldp->init))
+ char *env_var_str = getenv (LDP_ENV_DEBUG);
+ if (env_var_str)
{
- ldp->init = 1;
- rv = vppcom_app_create (ldp_get_app_name ());
- if (rv == VPPCOM_OK)
+ u32 tmp;
+ if (sscanf (env_var_str, "%u", &tmp) != 1)
+ clib_warning ("LDP<%d>: WARNING: Invalid LDP debug level specified in"
+ " the env var " LDP_ENV_DEBUG " (%s)!", getpid (),
+ env_var_str);
+ else
{
- char *env_var_str = getenv (LDP_ENV_DEBUG);
- if (env_var_str)
- {
- u32 tmp;
- if (sscanf (env_var_str, "%u", &tmp) != 1)
- clib_warning ("LDP<%d>: WARNING: Invalid LDP debug level "
- "specified in the env var " LDP_ENV_DEBUG
- " (%s)!", getpid (), env_var_str);
- else
- {
- ldp->debug = tmp;
- if (LDP_DEBUG > 0)
- clib_warning ("LDP<%d>: configured LDP debug level (%u) "
- "from the env var " LDP_ENV_DEBUG "!",
- getpid (), ldp->debug);
- }
- }
+ ldp->debug = tmp;
+ LDBG (0, "LDP<%d>: configured LDP debug level (%u) from env var "
+ LDP_ENV_DEBUG "!", getpid (), ldp->debug);
+ }
+ }
- env_var_str = getenv (LDP_ENV_APP_NAME);
- if (env_var_str)
- {
- ldp_set_app_name (env_var_str);
- if (LDP_DEBUG > 0)
- clib_warning ("LDP<%d>: configured LDP app name (%s) "
- "from the env var " LDP_ENV_APP_NAME "!",
- getpid (), ldp->app_name);
- }
+ env_var_str = getenv (LDP_ENV_APP_NAME);
+ if (env_var_str)
+ {
+ ldp_set_app_name (env_var_str);
+ LDBG (0, "LDP<%d>: configured LDP app name (%s) from the env var "
+ LDP_ENV_APP_NAME "!", getpid (), ldp->app_name);
+ }
- env_var_str = getenv (LDP_ENV_SID_BIT);
- if (env_var_str)
- {
- u32 sb;
- if (sscanf (env_var_str, "%u", &sb) != 1)
- {
- clib_warning ("LDP<%d>: WARNING: Invalid LDP sid bit "
- "specified in the env var "
- LDP_ENV_SID_BIT " (%s)!"
- "sid bit value %d (0x%x)",
- getpid (), env_var_str,
- ldp->sid_bit_val, ldp->sid_bit_val);
- }
- else if (sb < LDP_SID_BIT_MIN)
- {
- ldp->sid_bit_val = (1 << LDP_SID_BIT_MIN);
- ldp->sid_bit_mask = ldp->sid_bit_val - 1;
-
- clib_warning ("LDP<%d>: WARNING: LDP sid bit (%u) "
- "specified in the env var "
- LDP_ENV_SID_BIT " (%s) is too small. "
- "Using LDP_SID_BIT_MIN (%d)! "
- "sid bit value %d (0x%x)",
- getpid (), sb, env_var_str, LDP_SID_BIT_MIN,
- ldp->sid_bit_val, ldp->sid_bit_val);
- }
- else if (sb > LDP_SID_BIT_MAX)
- {
- ldp->sid_bit_val = (1 << LDP_SID_BIT_MAX);
- ldp->sid_bit_mask = ldp->sid_bit_val - 1;
-
- clib_warning ("LDP<%d>: WARNING: LDP sid bit (%u) "
- "specified in the env var "
- LDP_ENV_SID_BIT " (%s) is too big. "
- "Using LDP_SID_BIT_MAX (%d)! "
- "sid bit value %d (0x%x)",
- getpid (), sb, env_var_str, LDP_SID_BIT_MAX,
- ldp->sid_bit_val, ldp->sid_bit_val);
- }
- else
- {
- ldp->sid_bit_val = (1 << sb);
- ldp->sid_bit_mask = ldp->sid_bit_val - 1;
-
- if (LDP_DEBUG > 0)
- clib_warning ("LDP<%d>: configured LDP sid bit (%u) "
- "from " LDP_ENV_SID_BIT
- "! sid bit value %d (0x%x)", getpid (),
- sb, ldp->sid_bit_val, ldp->sid_bit_val);
- }
- }
+ env_var_str = getenv (LDP_ENV_SID_BIT);
+ if (env_var_str)
+ {
+ u32 sb;
+ if (sscanf (env_var_str, "%u", &sb) != 1)
+ {
+ clib_warning ("LDP<%d>: WARNING: Invalid LDP sid bit specified in"
+ " the env var " LDP_ENV_SID_BIT " (%s)! sid bit "
+ "value %d (0x%x)", getpid (), env_var_str,
+ ldp->sid_bit_val, ldp->sid_bit_val);
+ }
+ else if (sb < LDP_SID_BIT_MIN)
+ {
+ ldp->sid_bit_val = (1 << LDP_SID_BIT_MIN);
+ ldp->sid_bit_mask = ldp->sid_bit_val - 1;
+
+ clib_warning ("LDP<%d>: WARNING: LDP sid bit (%u) specified in the"
+ " env var " LDP_ENV_SID_BIT " (%s) is too small. "
+ "Using LDP_SID_BIT_MIN (%d)! sid bit value %d (0x%x)",
+ getpid (), sb, env_var_str, LDP_SID_BIT_MIN,
+ ldp->sid_bit_val, ldp->sid_bit_val);
+ }
+ else if (sb > LDP_SID_BIT_MAX)
+ {
+ ldp->sid_bit_val = (1 << LDP_SID_BIT_MAX);
+ ldp->sid_bit_mask = ldp->sid_bit_val - 1;
- clib_time_init (&ldp->clib_time);
- if (LDP_DEBUG > 0)
- clib_warning ("LDP<%d>: LDP initialization: done!", getpid ());
+ clib_warning ("LDP<%d>: WARNING: LDP sid bit (%u) specified in the"
+ " env var " LDP_ENV_SID_BIT " (%s) is too big. Using"
+ " LDP_SID_BIT_MAX (%d)! sid bit value %d (0x%x)",
+ getpid (), sb, env_var_str, LDP_SID_BIT_MAX,
+ ldp->sid_bit_val, ldp->sid_bit_val);
}
else
{
- fprintf (stderr, "\nLDP<%d>: ERROR: ldp_init: vppcom_app_create()"
- " failed! rv = %d (%s)\n",
- getpid (), rv, vppcom_retval_str (rv));
- ldp->init = 0;
+ ldp->sid_bit_val = (1 << sb);
+ ldp->sid_bit_mask = ldp->sid_bit_val - 1;
+
+ LDBG (0, "LDP<%d>: configured LDP sid bit (%u) from "
+ LDP_ENV_SID_BIT "! sid bit value %d (0x%x)", getpid (), sb,
+ ldp->sid_bit_val, ldp->sid_bit_val);
}
}
- return rv;
+
+ clib_time_init (&ldp->clib_time);
+ clib_rwlock_init (&ldp->fd_table_lock);
+ LDBG (0, "LDP<%d>: LDP initialization: done!", getpid ());
+
+ return 0;
}
int
{
func_str = "libc_close";
- if (LDP_DEBUG > 0)
- clib_warning
- ("LDP<%d>: fd %d (0x%x): calling %s(): epfd %u (0x%x)",
- getpid (), fd, fd, func_str, epfd, epfd);
+ LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s(): epfd %u (0x%x)",
+ getpid (), fd, fd, func_str, epfd, epfd);
rv = libc_close (epfd);
if (rv < 0)
func_str = "vppcom_session_close";
- if (LDP_DEBUG > 0)
- clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x)",
- getpid (), fd, fd, func_str, sid, sid);
+ LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x)",
+ getpid (), fd, fd, func_str, sid, sid);
+ ldp_fd_free_w_sid (sid);
rv = vppcom_session_close (sid);
if (rv != VPPCOM_OK)
{
{
func_str = "libc_close";
- if (LDP_DEBUG > 0)
- clib_warning ("LDP<%d>: fd %d (0x%x): calling %s()",
- getpid (), fd, fd, func_str);
+ LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s()", getpid (), fd, fd,
+ func_str);
rv = libc_close (fd);
}
{
case F_SETFL:
func_str = "vppcom_session_attr[SET_FLAGS]";
- if (LDP_DEBUG > 2)
- clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): "
- "sid %u (0x%x) flags %d (0x%x), size %d",
- getpid (), fd, fd, func_str, sid, sid,
- flags, flags, size);
+ LDBG (2, "LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x) "
+ "flags %d (0x%x), size %d", getpid (), fd, fd, func_str, sid,
+ sid, flags, flags, size);
- rv =
- vppcom_session_attr (sid, VPPCOM_ATTR_SET_FLAGS, &flags, &size);
+ rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_FLAGS, &flags,
+ &size);
break;
case F_GETFL:
func_str = "vppcom_session_attr[GET_FLAGS]";
- if (LDP_DEBUG > 2)
- clib_warning
- ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), "
- "flags %d (0x%x), size %d", getpid (), fd, fd, func_str, sid,
- sid, flags, flags, size);
+ LDBG (2, "LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), "
+ "flags %d (0x%x), size %d", getpid (), fd, fd, func_str, sid,
+ sid, flags, flags, size);
- rv =
- vppcom_session_attr (sid, VPPCOM_ATTR_GET_FLAGS, &flags, &size);
+ rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_FLAGS, &flags,
+ &size);
if (rv == VPPCOM_OK)
{
- if (LDP_DEBUG > 2)
- clib_warning ("LDP<%d>: fd %d (0x%x), cmd %d (F_GETFL): "
- "%s() returned flags %d (0x%x)",
- getpid (), fd, fd, cmd, func_str, flags, flags);
+ LDBG (2, "LDP<%d>: fd %d (0x%x), cmd %d (F_GETFL): %s() "
+ "returned flags %d (0x%x)", getpid (), fd, fd, cmd,
+ func_str, flags, flags);
rv = flags;
}
break;
-
+ case F_SETFD:
+ /* TODO handle this */
+ LDBG (0, "F_SETFD ignored flags %u", flags);
+ rv = 0;
+ break;
default:
rv = -EOPNOTSUPP;
break;
const struct timespec *__restrict timeout,
const __sigset_t * __restrict sigmask)
{
- int rv;
+ uword sid_bits, sid_bits_set, libc_bits, libc_bits_set;
+ 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)
{
/* select as fine grained sleep */
if (!nfds)
{
- if (LDP_DEBUG > 3)
- clib_warning ("LDP<%d>: sleeping for %.02f seconds",
- getpid (), time_out);
+ 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)
{
func_str = "libc_pselect";
- if (LDP_DEBUG > 3)
- clib_warning
- ("LDP<%d>: calling %s(): nfds %d, readfds %p, writefds %p, "
- "exceptfds %p, timeout %p, sigmask %p", getpid (), func_str, nfds,
- readfds, writefds, exceptfds, timeout, sigmask);
+ LDBG (3, "LDP<%d>: calling %s(): nfds %d, readfds %p, writefds %p, "
+ "exceptfds %p, timeout %p, sigmask %p", getpid (), func_str, nfds,
+ readfds, writefds, exceptfds, timeout, sigmask);
rv = libc_pselect (nfds, readfds, writefds, exceptfds,
timeout, sigmask);
}
sid_bits = libc_bits = 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 (ldp->rd_bitmap, readfds,
- vec_len (ldp->rd_bitmap) * sizeof (clib_bitmap_t));
- FD_ZERO (readfds);
+ clib_memcpy_fast (ldp->rd_bitmap, readfds, n_bytes);
+ memset (readfds, 0, n_bytes);
/* *INDENT-OFF* */
- clib_bitmap_foreach (fd, ldp->rd_bitmap,
- ({
- sid = ldp_sid_from_fd (fd);
- if (LDP_DEBUG > 3)
- clib_warning ("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);
- else
- clib_bitmap_set_no_check (ldp->sid_rd_bitmap, sid, 1);
- }));
+ clib_bitmap_foreach (fd, ldp->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);
+ else
+ clib_bitmap_set_no_check (ldp->sid_rd_bitmap,
+ vppcom_session_index (sid), 1);
+ }));
/* *INDENT-ON* */
sid_bits_set = clib_bitmap_last_set (ldp->sid_rd_bitmap) + 1;
libc_bits_set = clib_bitmap_last_set (ldp->libc_rd_bitmap) + 1;
libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits;
- if (LDP_DEBUG > 3)
- clib_warning ("LDP<%d>: readfds: sid_bits_set %d, sid_bits %d, "
- "libc_bits_set %d, libc_bits %d", getpid (),
- sid_bits_set, sid_bits, libc_bits_set, libc_bits);
+ LDBG (3, "LDP<%d>: readfds: sid_bits_set %d, sid_bits %d, "
+ "libc_bits_set %d, libc_bits %d", getpid (), sid_bits_set,
+ sid_bits, libc_bits_set, libc_bits);
}
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 (ldp->wr_bitmap, writefds,
- vec_len (ldp->wr_bitmap) * sizeof (clib_bitmap_t));
- FD_ZERO (writefds);
+ clib_memcpy_fast (ldp->wr_bitmap, writefds, n_bytes);
+ memset (writefds, 0, n_bytes);
/* *INDENT-OFF* */
- clib_bitmap_foreach (fd, ldp->wr_bitmap,
- ({
- sid = ldp_sid_from_fd (fd);
- if (LDP_DEBUG > 3)
- clib_warning ("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);
- else
- clib_bitmap_set_no_check (ldp->sid_wr_bitmap, sid, 1);
- }));
+ clib_bitmap_foreach (fd, ldp->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);
+ else
+ clib_bitmap_set_no_check (ldp->sid_wr_bitmap,
+ vppcom_session_index (sid), 1);
+ }));
/* *INDENT-ON* */
sid_bits_set = clib_bitmap_last_set (ldp->sid_wr_bitmap) + 1;
libc_bits_set = clib_bitmap_last_set (ldp->libc_wr_bitmap) + 1;
libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits;
- if (LDP_DEBUG > 3)
- clib_warning ("LDP<%d>: writefds: sid_bits_set %d, sid_bits %d, "
- "libc_bits_set %d, libc_bits %d", getpid (),
- sid_bits_set, sid_bits, libc_bits_set, libc_bits);
+ LDBG (3, "LDP<%d>: writefds: sid_bits_set %d, sid_bits %d, "
+ "libc_bits_set %d, libc_bits %d", getpid (),
+ sid_bits_set, sid_bits, libc_bits_set, libc_bits);
}
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 (ldp->ex_bitmap, exceptfds,
- vec_len (ldp->ex_bitmap) * sizeof (clib_bitmap_t));
- FD_ZERO (exceptfds);
+ clib_memcpy_fast (ldp->ex_bitmap, exceptfds, n_bytes);
+ memset (exceptfds, 0, n_bytes);
/* *INDENT-OFF* */
- clib_bitmap_foreach (fd, ldp->ex_bitmap,
- ({
- sid = ldp_sid_from_fd (fd);
- if (LDP_DEBUG > 3)
- clib_warning ("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);
- else
- clib_bitmap_set_no_check (ldp->sid_ex_bitmap, sid, 1);
- }));
+ clib_bitmap_foreach (fd, ldp->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);
+ else
+ clib_bitmap_set_no_check (ldp->sid_ex_bitmap,
+ vppcom_session_index (sid), 1);
+ }));
/* *INDENT-ON* */
sid_bits_set = clib_bitmap_last_set (ldp->sid_ex_bitmap) + 1;
libc_bits_set = clib_bitmap_last_set (ldp->libc_ex_bitmap) + 1;
libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits;
- if (LDP_DEBUG > 3)
- clib_warning ("LDP<%d>: exceptfds: sid_bits_set %d, sid_bits %d, "
- "libc_bits_set %d, libc_bits %d", getpid (),
- sid_bits_set, sid_bits, libc_bits_set, libc_bits);
+ LDBG (3, "LDP<%d>: exceptfds: sid_bits_set %d, sid_bits %d, "
+ "libc_bits_set %d, libc_bits %d", getpid (),
+ sid_bits_set, sid_bits, libc_bits_set, libc_bits);
}
if (PREDICT_FALSE (!sid_bits && !libc_bits))
func_str = "vppcom_select";
if (readfds)
- clib_memcpy (ldp->rd_bitmap, ldp->sid_rd_bitmap,
- vec_len (ldp->rd_bitmap) *
- sizeof (clib_bitmap_t));
+ clib_memcpy_fast (ldp->rd_bitmap, ldp->sid_rd_bitmap,
+ vec_len (ldp->rd_bitmap) *
+ sizeof (clib_bitmap_t));
if (writefds)
- clib_memcpy (ldp->wr_bitmap, ldp->sid_wr_bitmap,
- vec_len (ldp->wr_bitmap) *
- sizeof (clib_bitmap_t));
+ clib_memcpy_fast (ldp->wr_bitmap, ldp->sid_wr_bitmap,
+ vec_len (ldp->wr_bitmap) *
+ sizeof (clib_bitmap_t));
if (exceptfds)
- clib_memcpy (ldp->ex_bitmap, ldp->sid_ex_bitmap,
- vec_len (ldp->ex_bitmap) *
- sizeof (clib_bitmap_t));
+ clib_memcpy_fast (ldp->ex_bitmap, ldp->sid_ex_bitmap,
+ vec_len (ldp->ex_bitmap) *
+ sizeof (clib_bitmap_t));
rv = vppcom_select (sid_bits,
readfds ? ldp->rd_bitmap : NULL,
/* *INDENT-OFF* */
clib_bitmap_foreach (sid, ldp->rd_bitmap,
({
- fd = ldp_fd_from_sid (sid);
+ fd = ldp_fd_from_sid (vppcom_session_handle (sid));
if (PREDICT_FALSE (fd < 0))
{
errno = EBADFD;
/* *INDENT-OFF* */
clib_bitmap_foreach (sid, ldp->wr_bitmap,
({
- fd = ldp_fd_from_sid (sid);
+ fd = ldp_fd_from_sid (vppcom_session_handle (sid));
if (PREDICT_FALSE (fd < 0))
{
errno = EBADFD;
/* *INDENT-OFF* */
clib_bitmap_foreach (sid, ldp->ex_bitmap,
({
- fd = ldp_fd_from_sid (sid);
+ fd = ldp_fd_from_sid (vppcom_session_handle (sid));
if (PREDICT_FALSE (fd < 0))
{
errno = EBADFD;
func_str = "libc_pselect";
if (readfds)
- clib_memcpy (readfds, ldp->libc_rd_bitmap,
- vec_len (ldp->rd_bitmap) * sizeof (clib_bitmap_t));
+ clib_memcpy_fast (readfds, ldp->libc_rd_bitmap,
+ vec_len (ldp->rd_bitmap) *
+ sizeof (clib_bitmap_t));
if (writefds)
- clib_memcpy (writefds, ldp->libc_wr_bitmap,
- vec_len (ldp->wr_bitmap) * sizeof (clib_bitmap_t));
+ clib_memcpy_fast (writefds, ldp->libc_wr_bitmap,
+ vec_len (ldp->wr_bitmap) *
+ sizeof (clib_bitmap_t));
if (exceptfds)
- clib_memcpy (exceptfds, ldp->libc_ex_bitmap,
- vec_len (ldp->ex_bitmap) * sizeof (clib_bitmap_t));
+ clib_memcpy_fast (exceptfds, ldp->libc_ex_bitmap,
+ vec_len (ldp->ex_bitmap) *
+ sizeof (clib_bitmap_t));
tspec.tv_sec = tspec.tv_nsec = 0;
rv = libc_pselect (libc_bits,
readfds ? readfds : NULL,
done:
/* TBD: set timeout to amount of time left */
- vec_reset_length (ldp->rd_bitmap);
- vec_reset_length (ldp->sid_rd_bitmap);
- vec_reset_length (ldp->libc_rd_bitmap);
- vec_reset_length (ldp->wr_bitmap);
- vec_reset_length (ldp->sid_wr_bitmap);
- vec_reset_length (ldp->libc_wr_bitmap);
- vec_reset_length (ldp->ex_bitmap);
- vec_reset_length (ldp->sid_ex_bitmap);
- vec_reset_length (ldp->libc_ex_bitmap);
+ 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);
if (LDP_DEBUG > 3)
{
func_str = "vppcom_session_create";
- if (LDP_DEBUG > 0)
- clib_warning ("LDP<%d>: : calling %s(): "
- "proto %u (%s), is_nonblocking %u",
- getpid (), func_str, proto,
- vppcom_proto_str (proto), is_nonblocking);
+ LDBG (0, "LDP<%d>: : calling %s(): proto %u (%s), is_nonblocking %u",
+ getpid (), func_str, proto, vppcom_proto_str (proto),
+ is_nonblocking);
sid = vppcom_session_create (proto, is_nonblocking);
if (sid < 0)
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);
{
func_str = "libc_socket";
- if (LDP_DEBUG > 0)
- clib_warning ("LDP<%d>: : calling %s()", getpid (), func_str);
+ LDBG (0, "LDP<%d>: : calling %s()", getpid (), func_str);
rv = libc_socket (domain, type, protocol);
}
{
func_str = "libc_socket";
- if (LDP_DEBUG > 1)
- clib_warning ("LDP<%d>: : calling %s()", getpid (), func_str);
+ LDBG (1, "LDP<%d>: : calling %s()", getpid (), func_str);
- rv = libc_socket (domain, type, protocol);
+ rv = libc_socketpair (domain, type, protocol, fds);
}
if (LDP_DEBUG > 1)
{
func_str = "vppcom_session_listen";
- if (LDP_DEBUG > 0)
- clib_warning
- ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), n %d",
- getpid (), fd, fd, func_str, sid, sid, n);
+ LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), n %d",
+ getpid (), fd, fd, func_str, sid, sid, n);
rv = vppcom_session_listen (sid, n);
if (rv != VPPCOM_OK)
{
func_str = "libc_listen";
- if (LDP_DEBUG > 0)
- clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): n %d",
- getpid (), fd, fd, func_str, n);
+ LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s(): n %d", getpid (), fd,
+ fd, func_str, n);
rv = libc_listen (fd, n);
}
"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);
if (sid != INVALID_SESSION_ID)
{
- func_str = __func__;
-
- clib_warning ("LDP<%d>: LDP-TBD", getpid ());
- errno = ENOSYS;
- rv = -1;
+ func_str = "vppcom_session_close[TODO]";
+ rv = close (fd);
}
else
{
if ((errno = -ldp_init ()))
return -1;
+ if (ldp->vcl_needs_real_epoll)
+ {
+ rv = libc_epoll_create1 (flags);
+ ldp->vcl_needs_real_epoll = 0;
+ ldp->vcl_mq_epfd = rv;
+ LDBG (0, "LDP<%d>: created vcl epfd %u", getpid (), rv);
+ return rv;
+ }
func_str = "vppcom_epoll_create";
- if (LDP_DEBUG > 1)
- clib_warning ("LDP<%d>: calling %s()", getpid (), func_str);
+ LDBG (1, "LDP<%d>: calling %s()", getpid (), func_str);
rv = vppcom_epoll_create ();
rv = -1;
}
else
- rv = ldp_fd_from_sid ((u32) rv);
+ rv = ldp_fd_alloc ((u32) rv);
if (LDP_DEBUG > 1)
{
int
epoll_ctl (int epfd, int op, int fd, struct epoll_event *event)
{
- int rv;
+ u32 vep_idx = ldp_sid_from_fd (epfd), sid;
const char *func_str;
- u32 vep_idx = ldp_sid_from_fd (epfd);
+ int rv;
if ((errno = -ldp_init ()))
return -1;
- if (PREDICT_TRUE (vep_idx != INVALID_SESSION_ID))
+ if (PREDICT_FALSE (vep_idx == INVALID_SESSION_ID))
{
- u32 sid = ldp_sid_from_fd (fd);
+ /* The LDP epoll_create1 always creates VCL epfd's.
+ * The app should never have a kernel base epoll fd unless it
+ * was acquired outside of the LD_PRELOAD process context.
+ * In any case, if we get one, punt it to libc_epoll_ctl.
+ */
+ func_str = "libc_epoll_ctl";
- if (LDP_DEBUG > 1)
- clib_warning ("LDP<%d>: epfd %d (0x%x), vep_idx %d (0x%x), "
- "sid %d (0x%x)", getpid (), epfd, epfd,
- vep_idx, vep_idx, sid, sid);
+ LDBG (1, "LDP<%d>: epfd %d (0x%x): calling %s(): op %d, fd %d (0x%x),"
+ " event %p", getpid (), epfd, epfd, func_str, op, fd, fd, event);
- if (sid != INVALID_SESSION_ID)
- {
- func_str = "vppcom_epoll_ctl";
+ rv = libc_epoll_ctl (epfd, op, fd, event);
+ goto done;
+ }
- if (LDP_DEBUG > 1)
- clib_warning ("LDP<%d>: epfd %d (0x%x): calling %s(): "
- "vep_idx %d (0x%x), op %d, sid %u (0x%x), event %p",
- getpid (), epfd, epfd, func_str, vep_idx, vep_idx,
- sid, sid, event);
+ sid = ldp_sid_from_fd (fd);
- rv = vppcom_epoll_ctl (vep_idx, op, sid, event);
- if (rv != VPPCOM_OK)
- {
- errno = -rv;
- rv = -1;
- }
+ LDBG (0, "LDP<%d>: epfd %d (0x%x), vep_idx %d (0x%x), sid %d (0x%x)",
+ getpid (), epfd, epfd, vep_idx, vep_idx, sid, sid);
+
+ if (sid != INVALID_SESSION_ID)
+ {
+ func_str = "vppcom_epoll_ctl";
+
+ LDBG (1, "LDP<%d>: epfd %d (0x%x): calling %s(): vep_idx %d (0x%x),"
+ " op %d, sid %u (0x%x), event %p", getpid (), epfd, epfd,
+ func_str, vep_idx, vep_idx, sid, sid, event);
+
+ rv = vppcom_epoll_ctl (vep_idx, op, sid, event);
+ if (rv != VPPCOM_OK)
+ {
+ errno = -rv;
+ rv = -1;
}
- else
+ }
+ else
+ {
+ int libc_epfd;
+ u32 size = sizeof (epfd);
+
+ func_str = "vppcom_session_attr[GET_LIBC_EPFD]";
+ libc_epfd = vppcom_session_attr (vep_idx, VPPCOM_ATTR_GET_LIBC_EPFD, 0,
+ 0);
+ LDBG (1, "LDP<%d>: epfd %d (0x%x), vep_idx %d (0x%x): %s() "
+ "returned libc_epfd %d (0x%x)", getpid (), epfd, epfd,
+ vep_idx, vep_idx, func_str, libc_epfd, libc_epfd);
+
+ if (!libc_epfd)
{
- int libc_epfd;
- u32 size = sizeof (epfd);
+ func_str = "libc_epoll_create1";
- func_str = "vppcom_session_attr[GET_LIBC_EPFD]";
- libc_epfd = vppcom_session_attr (vep_idx,
- VPPCOM_ATTR_GET_LIBC_EPFD, 0, 0);
- if (LDP_DEBUG > 1)
- clib_warning ("LDP<%d>: epfd %d (0x%x), vep_idx %d (0x%x): "
- "%s() returned libc_epfd %d (0x%x)",
- getpid (), epfd, epfd, vep_idx, vep_idx,
- func_str, libc_epfd, libc_epfd);
+ LDBG (1, "LDP<%d>: epfd %d (0x%x), vep_idx %d (0x%x): "
+ "calling %s(): EPOLL_CLOEXEC", getpid (), epfd, epfd,
+ vep_idx, vep_idx, func_str);
- if (!libc_epfd)
+ libc_epfd = libc_epoll_create1 (EPOLL_CLOEXEC);
+ if (libc_epfd < 0)
{
- func_str = "libc_epoll_create1";
-
- if (LDP_DEBUG > 1)
- clib_warning ("LDP<%d>: epfd %d (0x%x), vep_idx %d (0x%x): "
- "calling %s(): EPOLL_CLOEXEC",
- getpid (), epfd, epfd, vep_idx, vep_idx,
- func_str);
+ rv = libc_epfd;
+ goto done;
+ }
- libc_epfd = libc_epoll_create1 (EPOLL_CLOEXEC);
- if (libc_epfd < 0)
- {
- rv = libc_epfd;
- goto done;
- }
+ func_str = "vppcom_session_attr[SET_LIBC_EPFD]";
+ LDBG (1, "LDP<%d>: epfd %d (0x%x): calling %s(): vep_idx %d (0x%x),"
+ " VPPCOM_ATTR_SET_LIBC_EPFD, libc_epfd %d (0x%x), size %d",
+ getpid (), epfd, epfd, func_str, vep_idx, vep_idx, libc_epfd,
+ libc_epfd, size);
- func_str = "vppcom_session_attr[SET_LIBC_EPFD]";
- if (LDP_DEBUG > 1)
- clib_warning ("LDP<%d>: epfd %d (0x%x): calling %s(): "
- "vep_idx %d (0x%x), VPPCOM_ATTR_SET_LIBC_EPFD, "
- "libc_epfd %d (0x%x), size %d",
- getpid (), epfd, epfd, func_str,
- vep_idx, vep_idx, libc_epfd, libc_epfd, size);
-
- rv = vppcom_session_attr (vep_idx, VPPCOM_ATTR_SET_LIBC_EPFD,
- &libc_epfd, &size);
- if (rv < 0)
- {
- errno = -rv;
- rv = -1;
- goto done;
- }
- }
- else if (PREDICT_FALSE (libc_epfd < 0))
+ rv = vppcom_session_attr (vep_idx, VPPCOM_ATTR_SET_LIBC_EPFD,
+ &libc_epfd, &size);
+ if (rv < 0)
{
- errno = -epfd;
+ errno = -rv;
rv = -1;
goto done;
}
-
- func_str = "libc_epoll_ctl";
-
- if (LDP_DEBUG > 1)
- clib_warning ("LDP<%d>: epfd %d (0x%x): calling %s(): "
- "libc_epfd %d (0x%x), op %d, "
- "fd %d (0x%x), event %p",
- getpid (), epfd, epfd, func_str,
- libc_epfd, libc_epfd, op, fd, fd, event);
-
- rv = libc_epoll_ctl (libc_epfd, op, fd, event);
}
- }
- else
- {
- /* The LDP epoll_create1 always creates VCL epfd's.
- * The app should never have a kernel base epoll fd unless it
- * was acquired outside of the LD_PRELOAD process context.
- * In any case, if we get one, punt it to libc_epoll_ctl.
- */
+ else if (PREDICT_FALSE (libc_epfd < 0))
+ {
+ errno = -epfd;
+ rv = -1;
+ goto done;
+ }
+
func_str = "libc_epoll_ctl";
- if (LDP_DEBUG > 1)
- clib_warning ("LDP<%d>: epfd %d (0x%x): calling %s(): "
- "op %d, fd %d (0x%x), event %p",
- getpid (), epfd, epfd, func_str, op, fd, fd, event);
+ LDBG (1, "LDP<%d>: epfd %d (0x%x): calling %s(): libc_epfd %d (0x%x), "
+ "op %d, fd %d (0x%x), event %p", getpid (), epfd, epfd, func_str,
+ libc_epfd, libc_epfd, op, fd, fd, event);
- rv = libc_epoll_ctl (epfd, op, fd, event);
+ rv = libc_epoll_ctl (libc_epfd, op, fd, event);
}
done:
}
static inline int
-ldp_epoll_pwait (int epfd, struct epoll_event *events,
- int maxevents, int timeout, const sigset_t * sigmask)
+ldp_epoll_pwait (int epfd, struct epoll_event *events, int maxevents,
+ int timeout, const sigset_t * sigmask)
{
- const char *func_str;
- int rv = 0;
- double time_to_wait = (double) 0;
- double time_out, now = 0;
+ double time_to_wait = (double) 0, time_out, now = 0;
u32 vep_idx = ldp_sid_from_fd (epfd);
- int libc_epfd;
+ int libc_epfd, rv = 0;
+ const char *func_str;
if ((errno = -ldp_init ()))
return -1;
return -1;
}
+ if (epfd == ldp->vcl_mq_epfd)
+ return libc_epoll_pwait (epfd, events, maxevents, timeout, sigmask);
+
if (PREDICT_FALSE (vep_idx == INVALID_SESSION_ID))
{
clib_warning ("LDP<%d>: ERROR: epfd %d (0x%x): bad vep_idx %d (0x%x)!",
return -1;
}
- time_to_wait = ((timeout >= 0) ? (double) timeout / (double) 1000 : 0);
+ time_to_wait = ((timeout >= 0) ? (double) timeout : 0);
time_out = clib_time_now (&ldp->clib_time) + time_to_wait;
func_str = "vppcom_session_attr[GET_LIBC_EPFD]";
goto done;
}
- if (LDP_DEBUG > 2)
- clib_warning ("LDP<%d>: epfd %d (0x%x): vep_idx %d (0x%x), "
- "libc_epfd %d (0x%x), events %p, maxevents %d, "
- "timeout %d, sigmask %p: time_to_wait %.02f",
- getpid (), epfd, epfd, vep_idx, vep_idx,
- libc_epfd, libc_epfd, events, maxevents, timeout,
- sigmask, time_to_wait, time_out);
+ LDBG (2, "LDP<%d>: epfd %d (0x%x): vep_idx %d (0x%x), libc_epfd %d (0x%x), "
+ "events %p, maxevents %d, timeout %d, sigmask %p: time_to_wait %.02f",
+ getpid (), epfd, epfd, vep_idx, vep_idx, libc_epfd, libc_epfd, events,
+ maxevents, timeout, sigmask, time_to_wait, time_out);
do
{
if (!ldp->epoll_wait_vcl)
{
func_str = "vppcom_epoll_wait";
- if (LDP_DEBUG > 3)
- clib_warning ("LDP<%d>: epfd %d (0x%x): calling %s(): "
- "vep_idx %d (0x%x), events %p, maxevents %d",
- getpid (), epfd, epfd, func_str,
- vep_idx, vep_idx, events, maxevents);
+ LDBG (3, "LDP<%d>: epfd %d (0x%x): calling %s(): vep_idx %d (0x%x),"
+ " events %p, maxevents %d", getpid (), epfd, epfd, func_str,
+ vep_idx, vep_idx, events, maxevents);
rv = vppcom_epoll_wait (vep_idx, events, maxevents, 0);
if (rv > 0)
{
func_str = "libc_epoll_pwait";
- if (LDP_DEBUG > 3)
- clib_warning ("LDP<%d>: epfd %d (0x%x): calling %s(): "
- "libc_epfd %d (0x%x), events %p, "
- "maxevents %d, sigmask %p",
- getpid (), epfd, epfd, func_str,
- libc_epfd, libc_epfd, events, maxevents, sigmask);
+ LDBG (3, "LDP<%d>: epfd %d (0x%x): calling %s(): libc_epfd %d "
+ "(0x%x), events %p, maxevents %d, sigmask %p", getpid (),
+ epfd, epfd, func_str, libc_epfd, libc_epfd, events,
+ maxevents, sigmask);
rv = libc_epoll_pwait (libc_epfd, events, maxevents, 1, sigmask);
if (rv != 0)
poll (struct pollfd *fds, nfds_t nfds, int timeout)
{
const char *func_str = __func__;
- int rv, i, n_libc_fds, n_revents;
+ int rv, i, n_revents = 0;
u32 sid;
vcl_poll_t *vp;
double wait_for_time;
- if (LDP_DEBUG > 3)
- clib_warning ("LDP<%d>: fds %p, nfds %d, timeout %d",
- getpid (), fds, nfds, timeout);
+ LDBG (3, "LDP<%d>: fds %p, nfds %d, timeout %d", getpid (), fds, nfds,
+ timeout);
if (timeout >= 0)
wait_for_time = (f64) timeout / 1000;
else
wait_for_time = -1;
- n_libc_fds = 0;
for (i = 0; i < nfds; i++)
{
- if (fds[i].fd >= 0)
- {
- if (LDP_DEBUG > 3)
- clib_warning ("LDP<%d>: fds[%d].fd %d (0x%0x), .events = 0x%x, "
- ".revents = 0x%x", getpid (), i, fds[i].fd,
- fds[i].fd, fds[i].events, fds[i].revents);
+ if (fds[i].fd < 0)
+ continue;
- sid = ldp_sid_from_fd (fds[i].fd);
- if (sid != INVALID_SESSION_ID)
- {
- fds[i].fd = -fds[i].fd;
- vec_add2 (ldp->vcl_poll, vp, 1);
- vp->fds_ndx = i;
- vp->sid = sid;
- vp->events = fds[i].events;
+ LDBG (3, "LDP<%d>: fds[%d] fd %d (0x%0x) events = 0x%x revents = 0x%x",
+ getpid (), i, fds[i].fd, fds[i].fd, fds[i].events,
+ fds[i].revents);
+
+ sid = ldp_sid_from_fd (fds[i].fd);
+ if (sid != INVALID_SESSION_ID)
+ {
+ fds[i].fd = -fds[i].fd;
+ vec_add2 (ldp->vcl_poll, vp, 1);
+ vp->fds_ndx = i;
+ vp->sid = sid;
+ vp->events = fds[i].events;
#ifdef __USE_XOPEN2K
- if (fds[i].events & POLLRDNORM)
- vp->events |= POLLIN;
- if (fds[i].events & POLLWRNORM)
- vp->events |= POLLOUT;
+ if (fds[i].events & POLLRDNORM)
+ vp->events |= POLLIN;
+ if (fds[i].events & POLLWRNORM)
+ vp->events |= POLLOUT;
#endif
- vp->revents = &fds[i].revents;
- }
- else
- n_libc_fds++;
+ vp->revents = fds[i].revents;
+ }
+ else
+ {
+ vec_add1 (ldp->libc_poll, fds[i]);
+ vec_add1 (ldp->libc_poll_idxs, i);
}
}
- n_revents = 0;
do
{
if (vec_len (ldp->vcl_poll))
{
func_str = "vppcom_poll";
- if (LDP_DEBUG > 3)
- clib_warning ("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),
- n_libc_fds);
+ 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));
rv = vppcom_poll (ldp->vcl_poll, vec_len (ldp->vcl_poll), 0);
if (rv < 0)
n_revents += rv;
}
- if (n_libc_fds)
+ if (vec_len (ldp->libc_poll))
{
func_str = "libc_poll";
- if (LDP_DEBUG > 3)
- clib_warning ("LDP<%d>: calling %s(): fds %p, nfds %u: n_sids %u",
- getpid (), fds, nfds, vec_len (ldp->vcl_poll));
+ LDBG (3, "LDP<%d>: calling %s(): fds %p, nfds %u: n_sids %u",
+ getpid (), fds, nfds, vec_len (ldp->vcl_poll));
- rv = libc_poll (fds, nfds, 0);
+ rv = libc_poll (ldp->libc_poll, vec_len (ldp->libc_poll), 0);
if (rv < 0)
goto done;
else
vec_foreach (vp, ldp->vcl_poll)
{
fds[vp->fds_ndx].fd = -fds[vp->fds_ndx].fd;
+ fds[vp->fds_ndx].revents = vp->revents;
#ifdef __USE_XOPEN2K
if ((fds[vp->fds_ndx].revents & POLLIN) &&
(fds[vp->fds_ndx].events & POLLRDNORM))
}
vec_reset_length (ldp->vcl_poll);
+ for (i = 0; i < vec_len (ldp->libc_poll); i++)
+ {
+ fds[ldp->libc_poll_idxs[i]].revents = ldp->libc_poll[i].revents;
+ }
+ vec_reset_length (ldp->libc_poll_idxs);
+ vec_reset_length (ldp->libc_poll);
+
if (LDP_DEBUG > 3)
{
if (rv < 0)
{
clib_warning ("LDP<%d>: returning %d (0x%x): n_sids %u, "
"n_libc_fds %d", getpid (), rv, rv,
- vec_len (ldp->vcl_poll), n_libc_fds);
+ vec_len (ldp->vcl_poll), vec_len (ldp->libc_poll));
for (i = 0; i < nfds; i++)
{
Code Review / vpp.git / blobdiff