typedef struct vcl_locked_session_
{
+ clib_spinlock_t lock;
u32 session_index;
u32 worker_index;
u32 vls_index;
u32 flags;
- clib_spinlock_t lock;
+ u32 *workers_subscribed;
} vcl_locked_session_t;
typedef struct vcl_main_
static inline vcl_session_handle_t
vls_to_sh (vcl_locked_session_t * vls)
{
- return vppcom_session_handle (vls->session_index);
+ return vcl_session_handle_from_index (vls->session_index);
}
static inline vcl_session_handle_t
vls_table_wunlock ();
}
+u8
+vls_is_shared (vcl_locked_session_t * vls)
+{
+ return vec_len (vls->workers_subscribed);
+}
+
+int
+vls_unshare_session (vcl_locked_session_t * vls)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *s;
+ int i;
+
+ for (i = 0; i < vec_len (vls->workers_subscribed); i++)
+ {
+ if (vls->workers_subscribed[i] != wrk->wrk_index)
+ continue;
+
+ s = vcl_session_get (wrk, vls->session_index);
+ if (s->rx_fifo)
+ {
+ svm_fifo_del_subscriber (s->rx_fifo, wrk->vpp_wrk_index);
+ svm_fifo_del_subscriber (s->tx_fifo, wrk->vpp_wrk_index);
+ }
+ vec_del1 (vls->workers_subscribed, i);
+ vcl_session_cleanup (wrk, s, vcl_session_handle (s),
+ 0 /* do_disconnect */ );
+ return 0;
+ }
+
+ /* Assumption is that unshare is only called if session is shared.
+ * So shared_workers must be non-empty if the worker is the owner */
+ if (vls->worker_index == wrk->wrk_index)
+ {
+ s = vcl_session_get (wrk, vls->session_index);
+ vls->worker_index = vls->workers_subscribed[0];
+ vec_del1 (vls->workers_subscribed, 0);
+ vcl_send_session_worker_update (wrk, s, vls->worker_index);
+ if (vec_len (vls->workers_subscribed))
+ clib_warning ("more workers need to be updated");
+ }
+
+ return 0;
+}
+
+void
+vls_share_vcl_session (vcl_worker_t * wrk, vcl_session_t * s)
+{
+ vcl_locked_session_t *vls;
+
+ vls = vls_get_w_dlock (vls_session_index_to_vlsh (s->session_index));
+ if (!vls)
+ return;
+ vec_add1 (vls->workers_subscribed, wrk->wrk_index);
+ if (s->rx_fifo)
+ {
+ svm_fifo_add_subscriber (s->rx_fifo, wrk->vpp_wrk_index);
+ svm_fifo_add_subscriber (s->tx_fifo, wrk->vpp_wrk_index);
+ }
+ vls_dunlock (vls);
+}
+
+void
+vls_worker_copy_on_fork (vcl_worker_t * parent_wrk)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *s;
+
+ wrk->vpp_event_queues = vec_dup (parent_wrk->vpp_event_queues);
+ wrk->sessions = pool_dup (parent_wrk->sessions);
+ wrk->session_index_by_vpp_handles =
+ hash_dup (parent_wrk->session_index_by_vpp_handles);
+
+ /* *INDENT-OFF* */
+ pool_foreach (s, wrk->sessions, ({
+ vls_share_vcl_session (wrk, s);
+ }));
+ /* *INDENT-ON* */
+}
+
int
vls_write (vls_handle_t vlsh, void *buf, size_t nbytes)
{
{
vcl_locked_session_t *vls;
vcl_session_handle_t sh;
- int rv, refcnt;
+ int rv;
if (!(vls = vls_get_w_dlock (vlsh)))
return VPPCOM_EBADFD;
+ if (vls_is_shared (vls))
+ {
+ vls_unshare_session (vls);
+ vls_dunlock (vls);
+ return VPPCOM_OK;
+ }
+
sh = vls_to_sh (vls);
- refcnt = vppcom_session_attr (sh, VPPCOM_ATTR_GET_REFCNT, 0, 0);
if ((rv = vppcom_session_close (sh)))
{
vls_dunlock (vls);
}
vls_dunlock (vls);
- if (refcnt <= 1)
- vls_get_and_free (vlsh);
+ vls_get_and_free (vlsh);
return rv;
}
return vlsh;
}
+static void
+vls_cleanup_forked_child (vcl_worker_t * wrk, vcl_worker_t * child_wrk)
+{
+ vcl_worker_t *sub_child;
+ int tries = 0;
+
+ if (child_wrk->forked_child != ~0)
+ {
+ sub_child = vcl_worker_get_if_valid (child_wrk->forked_child);
+ if (sub_child)
+ {
+ /* Wait a bit, maybe the process is going away */
+ while (kill (sub_child->current_pid, 0) >= 0 && tries++ < 50)
+ usleep (1e3);
+ if (kill (sub_child->current_pid, 0) < 0)
+ vls_cleanup_forked_child (child_wrk, sub_child);
+ }
+ }
+ vcl_worker_cleanup (child_wrk, 1 /* notify vpp */ );
+ VDBG (0, "Cleaned up wrk %u", child_wrk->wrk_index);
+ wrk->forked_child = ~0;
+}
+
+static struct sigaction old_sa;
+
+static void
+vls_intercept_sigchld_handler (int signum, siginfo_t * si, void *uc)
+{
+ vcl_worker_t *wrk, *child_wrk;
+
+ if (vcl_get_worker_index () == ~0)
+ return;
+
+ if (sigaction (SIGCHLD, &old_sa, 0))
+ {
+ VERR ("couldn't restore sigchld");
+ exit (-1);
+ }
+
+ wrk = vcl_worker_get_current ();
+ if (wrk->forked_child == ~0)
+ return;
+
+ child_wrk = vcl_worker_get_if_valid (wrk->forked_child);
+ if (!child_wrk)
+ goto done;
+
+ if (si && si->si_pid != child_wrk->current_pid)
+ {
+ VDBG (0, "unexpected child pid %u", si->si_pid);
+ goto done;
+ }
+ vls_cleanup_forked_child (wrk, child_wrk);
+
+done:
+ if (old_sa.sa_flags & SA_SIGINFO)
+ {
+ void (*fn) (int, siginfo_t *, void *) = old_sa.sa_sigaction;
+ fn (signum, si, uc);
+ }
+ else
+ {
+ void (*fn) (int) = old_sa.sa_handler;
+ if (fn)
+ fn (signum);
+ }
+}
+
+static void
+vls_incercept_sigchld ()
+{
+ struct sigaction sa;
+ clib_memset (&sa, 0, sizeof (sa));
+ sa.sa_sigaction = vls_intercept_sigchld_handler;
+ sa.sa_flags = SA_SIGINFO;
+ if (sigaction (SIGCHLD, &sa, &old_sa))
+ {
+ VERR ("couldn't intercept sigchld");
+ exit (-1);
+ }
+}
+
+static void
+vls_app_pre_fork (void)
+{
+ vls_incercept_sigchld ();
+ vcl_flush_mq_events ();
+}
+
+static void
+vls_app_fork_child_handler (void)
+{
+ vcl_worker_t *parent_wrk;
+ int rv, parent_wrk_index;
+ u8 *child_name;
+
+ parent_wrk_index = vcl_get_worker_index ();
+ VDBG (0, "initializing forked child %u with parent wrk %u", getpid (),
+ parent_wrk_index);
+
+ /*
+ * Allocate worker
+ */
+ vcl_set_worker_index (~0);
+ if (!vcl_worker_alloc_and_init ())
+ VERR ("couldn't allocate new worker");
+
+ /*
+ * Attach to binary api
+ */
+ child_name = format (0, "%v-child-%u%c", vcm->app_name, getpid (), 0);
+ vcl_cleanup_bapi ();
+ vppcom_api_hookup ();
+ vcm->app_state = STATE_APP_START;
+ rv = vppcom_connect_to_vpp ((char *) child_name);
+ vec_free (child_name);
+ if (rv)
+ {
+ VERR ("couldn't connect to VPP!");
+ return;
+ }
+
+ /*
+ * Register worker with vpp and share sessions
+ */
+ vcl_worker_register_with_vpp ();
+ parent_wrk = vcl_worker_get (parent_wrk_index);
+ vls_worker_copy_on_fork (parent_wrk);
+ parent_wrk->forked_child = vcl_get_worker_index ();
+
+ VDBG (0, "forked child main worker initialized");
+ vcm->forking = 0;
+}
+
+static void
+vls_app_fork_parent_handler (void)
+{
+ vcm->forking = 1;
+ while (vcm->forking)
+ ;
+}
+
int
vls_app_create (char *app_name)
{
if ((rv = vppcom_app_create (app_name)))
return rv;
clib_rwlock_init (&vlsm->vls_table_lock);
+ pthread_atfork (vls_app_pre_fork, vls_app_fork_parent_handler,
+ vls_app_fork_child_handler);
return VPPCOM_OK;
}
return -1;
}
-vcl_shared_session_t *
-vcl_shared_session_alloc (void)
-{
- vcl_shared_session_t *ss;
- pool_get (vcm->shared_sessions, ss);
- memset (ss, 0, sizeof (*ss));
- ss->ss_index = ss - vcm->shared_sessions;
- return ss;
-}
-
-vcl_shared_session_t *
-vcl_shared_session_get (u32 ss_index)
-{
- if (pool_is_free_index (vcm->shared_sessions, ss_index))
- return 0;
- return pool_elt_at_index (vcm->shared_sessions, ss_index);
-}
-
-void
-vcl_shared_session_free (vcl_shared_session_t * ss)
-{
- pool_put (vcm->shared_sessions, ss);
-}
-
-void
-vcl_worker_share_session (vcl_worker_t * parent, vcl_worker_t * wrk,
- vcl_session_t * new_s)
-{
- vcl_shared_session_t *ss;
- vcl_session_t *old_s;
-
- if (new_s->shared_index == ~0)
- {
- ss = vcl_shared_session_alloc ();
- ss->session_index = new_s->session_index;
- vec_add1 (ss->workers, parent->wrk_index);
- vec_add1 (ss->workers, wrk->wrk_index);
- new_s->shared_index = ss->ss_index;
- old_s = vcl_session_get (parent, new_s->session_index);
- old_s->shared_index = ss->ss_index;
- }
- else
- {
- ss = vcl_shared_session_get (new_s->shared_index);
- vec_add1 (ss->workers, wrk->wrk_index);
- }
- if (new_s->rx_fifo)
- {
- svm_fifo_add_subscriber (new_s->rx_fifo, wrk->vpp_wrk_index);
- svm_fifo_add_subscriber (new_s->tx_fifo, wrk->vpp_wrk_index);
- }
-}
-
-int
-vcl_worker_unshare_session (vcl_worker_t * wrk, vcl_session_t * s)
-{
- vcl_shared_session_t *ss;
- int i;
-
- ss = vcl_shared_session_get (s->shared_index);
- for (i = 0; i < vec_len (ss->workers); i++)
- {
- if (ss->workers[i] == wrk->wrk_index)
- {
- vec_del1 (ss->workers, i);
- break;
- }
- }
-
- if (vec_len (ss->workers) == 0)
- {
- vcl_shared_session_free (ss);
- return 1;
- }
-
- if (s->rx_fifo)
- {
- svm_fifo_del_subscriber (s->rx_fifo, wrk->vpp_wrk_index);
- svm_fifo_del_subscriber (s->tx_fifo, wrk->vpp_wrk_index);
- }
-
- /* If the first removed and not last, start session worker change.
- * First request goes to vpp and vpp reflects it back to the right
- * worker */
- if (i == 0)
- vcl_send_session_worker_update (wrk, s, ss->workers[0]);
-
- return 0;
-}
-
-void
-vcl_worker_share_sessions (vcl_worker_t * parent_wrk)
-{
- vcl_session_t *new_s;
- vcl_worker_t *wrk;
-
- if (!parent_wrk->sessions)
- return;
-
- wrk = vcl_worker_get_current ();
- wrk->sessions = pool_dup (parent_wrk->sessions);
- wrk->session_index_by_vpp_handles =
- hash_dup (parent_wrk->session_index_by_vpp_handles);
-
- /* *INDENT-OFF* */
- pool_foreach (new_s, wrk->sessions, ({
- vcl_worker_share_session (parent_wrk, wrk, new_s);
- }));
- /* *INDENT-ON* */
-}
-
-int
-vcl_session_get_refcnt (vcl_session_t * s)
-{
- vcl_shared_session_t *ss;
- ss = vcl_shared_session_get (s->shared_index);
- if (ss)
- return vec_len (ss->workers);
- return 0;
-}
-
void
vcl_segment_table_add (u64 segment_handle, u32 svm_segment_index)
{
clib_rwlock_writer_unlock (&vcm->segment_table_lock);
}
+void
+vcl_cleanup_bapi (void)
+{
+ socket_client_main_t *scm = &socket_client_main;
+ api_main_t *am = &api_main;
+
+ am->my_client_index = ~0;
+ am->my_registration = 0;
+ am->vl_input_queue = 0;
+ am->msg_index_by_name_and_crc = 0;
+ scm->socket_fd = 0;
+
+ vl_client_api_unmap ();
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
svm_msg_q_t *our_evt_q;
u64 options[16];
vcl_session_msg_t *accept_evts_fifo;
- u32 shared_index;
#if VCL_ELOG
elog_track_t elog_track;
#endif
pool_get (wrk->sessions, s);
memset (s, 0, sizeof (*s));
s->session_index = s - wrk->sessions;
- s->shared_index = ~0;
return s;
}
return pool_elt_at_index (wrk->sessions, session_index);
}
-static inline int
+static inline vcl_session_handle_t
+vcl_session_handle_from_index (u32 session_index)
+{
+ ASSERT (session_index < 2 << 24);
+ return (vcl_get_worker_index () << 24 | session_index);
+}
+
+static inline vcl_session_handle_t
vcl_session_handle (vcl_session_t * s)
{
- ASSERT (s->session_index < 2 << 24);
- return (vcl_get_worker_index () << 24 | s->session_index);
+ return vcl_session_handle_from_index (s->session_index);
}
static inline void
void vcl_worker_share_sessions (vcl_worker_t * parent_wrk);
int vcl_worker_unshare_session (vcl_worker_t * wrk, vcl_session_t * s);
vcl_shared_session_t *vcl_shared_session_get (u32 ss_index);
-int vcl_session_get_refcnt (vcl_session_t * s);
+
+void vcl_flush_mq_events (void);
+void vcl_cleanup_bapi (void);
+int vcl_session_cleanup (vcl_worker_t * wrk, vcl_session_t * session,
+ vcl_session_handle_t sh, u8 do_disconnect);
void vcl_segment_table_add (u64 segment_handle, u32 svm_segment_index);
u32 vcl_segment_table_lookup (u64 segment_handle);
s->tx_fifo->client_thread_index = wrk->wrk_index;
s->session_state = STATE_UPDATED;
- if (s->shared_index != VCL_INVALID_SESSION_INDEX)
- {
- vcl_shared_session_t *ss;
- ss = vcl_shared_session_get (s->shared_index);
- if (vec_len (ss->workers) > 1)
- VDBG (0, "workers need to be updated");
- }
VDBG (0, "session %u[0x%llx] moved to worker %u", s->session_index,
s->vpp_handle, wrk->wrk_index);
}
vec_reset_length (wrk->pending_session_wrk_updates);
}
-static void
+void
vcl_flush_mq_events (void)
{
vcl_worker_t *wrk = vcl_worker_get_current ();
return VPPCOM_OK;
}
-static void
-vcl_cleanup_bapi (void)
-{
- socket_client_main_t *scm = &socket_client_main;
- api_main_t *am = &api_main;
-
- am->my_client_index = ~0;
- am->my_registration = 0;
- am->vl_input_queue = 0;
- am->msg_index_by_name_and_crc = 0;
- scm->socket_fd = 0;
-
- vl_client_api_unmap ();
-}
-
-static void
-vcl_cleanup_forked_child (vcl_worker_t * wrk, vcl_worker_t * child_wrk)
-{
- vcl_worker_t *sub_child;
- int tries = 0;
-
- if (child_wrk->forked_child != ~0)
- {
- sub_child = vcl_worker_get_if_valid (child_wrk->forked_child);
- if (sub_child)
- {
- /* Wait a bit, maybe the process is going away */
- while (kill (sub_child->current_pid, 0) >= 0 && tries++ < 50)
- usleep (1e3);
- if (kill (sub_child->current_pid, 0) < 0)
- vcl_cleanup_forked_child (child_wrk, sub_child);
- }
- }
- vcl_worker_cleanup (child_wrk, 1 /* notify vpp */ );
- VDBG (0, "Cleaned up wrk %u", child_wrk->wrk_index);
- wrk->forked_child = ~0;
-}
-
-static struct sigaction old_sa;
-
-static void
-vcl_intercept_sigchld_handler (int signum, siginfo_t * si, void *uc)
-{
- vcl_worker_t *wrk, *child_wrk;
-
- if (vcl_get_worker_index () == ~0)
- return;
-
- if (sigaction (SIGCHLD, &old_sa, 0))
- {
- VERR ("couldn't restore sigchld");
- exit (-1);
- }
-
- wrk = vcl_worker_get_current ();
- if (wrk->forked_child == ~0)
- return;
-
- child_wrk = vcl_worker_get_if_valid (wrk->forked_child);
- if (!child_wrk)
- goto done;
-
- if (si && si->si_pid != child_wrk->current_pid)
- {
- VDBG (0, "unexpected child pid %u", si->si_pid);
- goto done;
- }
- vcl_cleanup_forked_child (wrk, child_wrk);
-
-done:
- if (old_sa.sa_flags & SA_SIGINFO)
- {
- void (*fn) (int, siginfo_t *, void *) = old_sa.sa_sigaction;
- fn (signum, si, uc);
- }
- else
- {
- void (*fn) (int) = old_sa.sa_handler;
- if (fn)
- fn (signum);
- }
-}
-
-static void
-vcl_incercept_sigchld ()
-{
- struct sigaction sa;
- clib_memset (&sa, 0, sizeof (sa));
- sa.sa_sigaction = vcl_intercept_sigchld_handler;
- sa.sa_flags = SA_SIGINFO;
- if (sigaction (SIGCHLD, &sa, &old_sa))
- {
- VERR ("couldn't intercept sigchld");
- exit (-1);
- }
-}
-
-static void
-vcl_app_pre_fork (void)
-{
- vcl_incercept_sigchld ();
- vcl_flush_mq_events ();
-}
-
-static void
-vcl_app_fork_child_handler (void)
-{
- vcl_worker_t *parent_wrk, *wrk;
- int rv, parent_wrk_index;
- u8 *child_name;
-
- parent_wrk_index = vcl_get_worker_index ();
- VDBG (0, "initializing forked child with parent wrk %u", parent_wrk_index);
-
- /*
- * Allocate worker
- */
- vcl_set_worker_index (~0);
- if (!vcl_worker_alloc_and_init ())
- VERR ("couldn't allocate new worker");
-
- /*
- * Attach to binary api
- */
- child_name = format (0, "%v-child-%u%c", vcm->app_name, getpid (), 0);
- vcl_cleanup_bapi ();
- vppcom_api_hookup ();
- vcm->app_state = STATE_APP_START;
- rv = vppcom_connect_to_vpp ((char *) child_name);
- vec_free (child_name);
- if (rv)
- {
- VERR ("couldn't connect to VPP!");
- return;
- }
-
- /*
- * Register worker with vpp and share sessions
- */
- vcl_worker_register_with_vpp ();
- parent_wrk = vcl_worker_get (parent_wrk_index);
- wrk = vcl_worker_get_current ();
- wrk->vpp_event_queues = vec_dup (parent_wrk->vpp_event_queues);
- vcl_worker_share_sessions (parent_wrk);
- parent_wrk->forked_child = vcl_get_worker_index ();
-
- VDBG (0, "forked child main worker initialized");
- vcm->forking = 0;
-}
-
-static void
-vcl_app_fork_parent_handler (void)
-{
- vcm->forking = 1;
- while (vcm->forking)
- ;
-}
-
/**
* Handle app exit
*
pool_alloc (vcm->workers, vcl_cfg->max_workers);
clib_spinlock_init (&vcm->workers_lock);
clib_rwlock_init (&vcm->segment_table_lock);
- pthread_atfork (vcl_app_pre_fork, vcl_app_fork_parent_handler,
- vcl_app_fork_child_handler);
atexit (vppcom_app_exit);
/* Allocate default worker */
}
int
-vppcom_session_close (uint32_t session_handle)
+vcl_session_cleanup (vcl_worker_t * wrk, vcl_session_t * session,
+ vcl_session_handle_t sh, u8 do_disconnect)
{
- vcl_worker_t *wrk = vcl_worker_get_current ();
- u8 is_vep, do_disconnect = 1;
- vcl_session_t *session = 0;
session_state_t state;
u32 next_sh, vep_sh;
int rv = VPPCOM_OK;
u64 vpp_handle;
-
- session = vcl_session_get_w_handle (wrk, session_handle);
- if (!session)
- return VPPCOM_EBADFD;
-
- if (session->shared_index != ~0)
- do_disconnect = vcl_worker_unshare_session (wrk, session);
+ u8 is_vep;
is_vep = session->is_vep;
next_sh = session->vep.next_sh;
state = session->session_state;
vpp_handle = session->vpp_handle;
- VDBG (1, "closing session handle %u vpp handle %u", session_handle,
- vpp_handle);
+ VDBG (1, "session %u [0x%llx] closing", session->session_index, vpp_handle);
if (is_vep)
{
while (next_sh != ~0)
{
- rv = vppcom_epoll_ctl (session_handle, EPOLL_CTL_DEL, next_sh, 0);
+ rv = vppcom_epoll_ctl (sh, EPOLL_CTL_DEL, next_sh, 0);
if (PREDICT_FALSE (rv < 0))
VDBG (0, "vpp handle 0x%llx, sid %u: EPOLL_CTL_DEL vep_idx %u"
" failed! rv %d (%s)", vpp_handle, next_sh, vep_sh, rv,
{
if (session->is_vep_session)
{
- rv = vppcom_epoll_ctl (vep_sh, EPOLL_CTL_DEL, session_handle, 0);
+ rv = vppcom_epoll_ctl (vep_sh, EPOLL_CTL_DEL, sh, 0);
if (rv < 0)
- VDBG (0, "vpp handle 0x%llx, sid %u: EPOLL_CTL_DEL vep_idx %u "
- "failed! rv %d (%s)", vpp_handle, session_handle, vep_sh,
- rv, vppcom_retval_str (rv));
+ VDBG (0, "session %u [0x%llx]: EPOLL_CTL_DEL vep_idx %u "
+ "failed! rv %d (%s)", session->session_index, vpp_handle,
+ vep_sh, rv, vppcom_retval_str (rv));
}
if (!do_disconnect)
{
- VDBG (0, "session handle %u [0x%llx] disconnect skipped",
- session_handle, vpp_handle);
+ VDBG (0, "session %u [0x%llx] disconnect skipped",
+ session->session_index, vpp_handle);
goto cleanup;
}
if (state & STATE_LISTEN)
{
- rv = vppcom_session_unbind (session_handle);
+ rv = vppcom_session_unbind (sh);
if (PREDICT_FALSE (rv < 0))
- VDBG (0, "vpp handle 0x%llx, sid %u: listener unbind failed! "
- "rv %d (%s)", vpp_handle, session_handle, rv,
+ VDBG (0, "session %u [0x%llx]: listener unbind failed! "
+ "rv %d (%s)", session->session_index, vpp_handle, rv,
vppcom_retval_str (rv));
}
else if (state & STATE_OPEN)
{
- rv = vppcom_session_disconnect (session_handle);
+ rv = vppcom_session_disconnect (sh);
if (PREDICT_FALSE (rv < 0))
- clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
- "session disconnect failed! rv %d (%s)",
- getpid (), vpp_handle, session_handle,
- rv, vppcom_retval_str (rv));
+ VDBG (0, "ERROR: session %u [0x%llx]: disconnect failed!"
+ " rv %d (%s)", session->session_index, vpp_handle,
+ rv, vppcom_retval_str (rv));
}
else if (state == STATE_DISCONNECT)
{
}
}
-cleanup:
-
if (vcl_session_is_ct (session))
{
vcl_cut_through_registration_t *ctr;
vcl_ct_registration_unlock (wrk);
}
+cleanup:
vcl_session_table_del_vpp_handle (wrk, vpp_handle);
vcl_session_free (wrk, session);
- VDBG (0, "session handle %u [0x%llx] removed", session_handle, vpp_handle);
-
+ VDBG (0, "session %u [0x%llx] removed", session->session_index, vpp_handle);
vcl_evt (VCL_EVT_CLOSE, session, rv);
return rv;
}
+int
+vppcom_session_close (uint32_t session_handle)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *session;
+
+ session = vcl_session_get_w_handle (wrk, session_handle);
+ if (!session)
+ return VPPCOM_EBADFD;
+ return vcl_session_cleanup (wrk, session, session_handle,
+ 1 /* do_disconnect */ );
+}
+
int
vppcom_session_bind (uint32_t session_handle, vppcom_endpt_t * ep)
{
rv = VPPCOM_EINVAL;
break;
- case VPPCOM_ATTR_GET_REFCNT:
- rv = vcl_session_get_refcnt (session);
- break;
-
case VPPCOM_ATTR_SET_SHUT:
if (*flags == SHUT_RD || *flags == SHUT_RDWR)
VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_SHUT_RD);
return session_handle >> 24;
}
-int
-vppcom_session_handle (uint32_t session_index)
-{
- return (vcl_get_worker_index () << 24) | session_index;
-}
-
int
vppcom_worker_register (void)
{
VPPCOM_ATTR_SET_TCP_KEEPINTVL,
VPPCOM_ATTR_GET_TCP_USER_MSS,
VPPCOM_ATTR_SET_TCP_USER_MSS,
- VPPCOM_ATTR_GET_REFCNT,
VPPCOM_ATTR_SET_SHUT,
VPPCOM_ATTR_GET_SHUT,
} vppcom_attr_op_t;
extern int vppcom_mq_epoll_fd (void);
extern int vppcom_session_index (vcl_session_handle_t session_handle);
extern int vppcom_session_worker (vcl_session_handle_t session_handle);
-extern int vppcom_session_handle (uint32_t session_index);
extern int vppcom_session_read_segments (uint32_t session_handle,
vppcom_data_segments_t ds);
typeof (P) _pool_var (new) = 0; \
pool_header_t * _pool_var (ph), * _pool_var (new_ph); \
u32 _pool_var (n) = pool_len (P); \
- _pool_var (new) = _vec_resize (_pool_var (new), _pool_var (n), \
- _pool_var (n) * sizeof ((P)[0]), \
- pool_aligned_header_bytes, (A)); \
- clib_memcpy_fast (_pool_var (new), (P), \
- _pool_var (n) * sizeof ((P)[0])); \
- _pool_var (ph) = pool_header (P); \
- _pool_var (new_ph) = pool_header (_pool_var (new)); \
- _pool_var (new_ph)->free_bitmap = \
- clib_bitmap_dup (_pool_var (ph)->free_bitmap); \
- _pool_var (new_ph)->free_indices = \
- vec_dup (_pool_var (ph)->free_indices); \
- _pool_var (new_ph)->max_elts = _pool_var (ph)->max_elts; \
+ if ((P)) \
+ { \
+ _pool_var (new) = _vec_resize (_pool_var (new), _pool_var (n), \
+ _pool_var (n) * sizeof ((P)[0]), \
+ pool_aligned_header_bytes, (A)); \
+ clib_memcpy_fast (_pool_var (new), (P), \
+ _pool_var (n) * sizeof ((P)[0])); \
+ _pool_var (ph) = pool_header (P); \
+ _pool_var (new_ph) = pool_header (_pool_var (new)); \
+ _pool_var (new_ph)->free_bitmap = \
+ clib_bitmap_dup (_pool_var (ph)->free_bitmap); \
+ _pool_var (new_ph)->free_indices = \
+ vec_dup (_pool_var (ph)->free_indices); \
+ _pool_var (new_ph)->max_elts = _pool_var (ph)->max_elts; \
+ } \
_pool_var (new); \
})
Code Review / vpp.git / commitdiff