shutdown (int fd, int how)
{
vls_handle_t vlsh;
- int rv = 0, flags;
- u32 flags_len = sizeof (flags);
+ int rv = 0;
ldp_init_check ();
if (vlsh != VLS_INVALID_HANDLE)
{
LDBG (0, "called shutdown: fd %u vlsh %u how %d", fd, vlsh, how);
-
- if (vls_attr (vlsh, VPPCOM_ATTR_SET_SHUT, &how, &flags_len))
- {
- close (fd);
- return -1;
- }
-
- if (vls_attr (vlsh, VPPCOM_ATTR_GET_SHUT, &flags, &flags_len))
- {
- close (fd);
- return -1;
- }
-
- if (flags == SHUT_RDWR)
- rv = close (fd);
- else if (flags == SHUT_WR)
- rv = vls_shutdown (vlsh);
+ rv = vls_shutdown (vlsh, how);
}
else
{
VCL_SESS_ATTR_TCP_NODELAY, // SOL_TCP,TCP_NODELAY
VCL_SESS_ATTR_TCP_KEEPIDLE, // SOL_TCP,TCP_KEEPIDLE
VCL_SESS_ATTR_TCP_KEEPINTVL, // SOL_TCP,TCP_KEEPINTVL
- VCL_SESS_ATTR_SHUT_RD,
- VCL_SESS_ATTR_SHUT_WR,
VCL_SESS_ATTR_MAX
} vppcom_session_attr_t;
VCL_SESSION_F_IS_VEP = 1 << 1,
VCL_SESSION_F_IS_VEP_SESSION = 1 << 2,
VCL_SESSION_F_HAS_RX_EVT = 1 << 3,
- VCL_SESSION_F_SHUTDOWN = 1 << 4,
+ VCL_SESSION_F_RD_SHUTDOWN = 1 << 4,
+ VCL_SESSION_F_WR_SHUTDOWN = 1 << 5,
} __clib_packed vcl_session_flags_t;
typedef struct vcl_session_
}
int
-vppcom_session_shutdown (uint32_t session_handle)
+vppcom_session_shutdown (uint32_t session_handle, int how)
{
vcl_worker_t *wrk = vcl_worker_get_current ();
vcl_session_t *session;
return VPPCOM_EBADFD;
}
+ if (how == SHUT_RD || how == SHUT_RDWR)
+ {
+ session->flags |= VCL_SESSION_F_RD_SHUTDOWN;
+ if (how == SHUT_RD)
+ return VPPCOM_OK;
+ }
+ session->flags |= VCL_SESSION_F_WR_SHUTDOWN;
+
if (PREDICT_TRUE (state == VCL_STATE_READY))
{
VDBG (1, "session %u [0x%llx]: sending shutdown...",
session->session_index, vpp_handle);
vcl_send_session_shutdown (wrk, session);
- session->flags |= VCL_SESSION_F_SHUTDOWN;
}
return VPPCOM_OK;
return vcl_session_closed_error (s);
}
+ if (PREDICT_FALSE (s->flags & VCL_SESSION_F_RD_SHUTDOWN))
+ {
+ /* Vpp would ack the incoming data and enqueue it for reading.
+ * So even if SHUT_RD is set, we can still read() the data if
+ * the session is ready.
+ */
+ if (!vcl_session_read_ready (s))
+ {
+ return 0;
+ }
+ }
+
is_nonblocking = vcl_session_has_attr (s, VCL_SESS_ATTR_NONBLOCK);
is_ct = vcl_session_is_ct (s);
mq = wrk->app_event_queue;
return VPPCOM_EBADFD;
}
- if (PREDICT_FALSE (!vcl_session_is_open (s) ||
- (s->flags & VCL_SESSION_F_SHUTDOWN)))
+ if (PREDICT_FALSE (!vcl_session_is_open (s)))
{
VDBG (1, "session %u [0x%llx]: is not open! state 0x%x (%s)",
s->session_index, s->vpp_handle, s->session_state,
return vcl_session_closed_error (s);;
}
+ if (PREDICT_FALSE (s->flags & VCL_SESSION_F_WR_SHUTDOWN))
+ {
+ VDBG (1, "session %u [0x%llx]: is shutdown! state 0x%x (%s)",
+ s->session_index, s->vpp_handle, s->session_state,
+ vppcom_session_state_str (s->session_state));
+ return VPPCOM_EPIPE;
+ }
+
is_ct = vcl_session_is_ct (s);
tx_fifo = is_ct ? s->ct_tx_fifo : s->tx_fifo;
is_nonblocking = vcl_session_has_attr (s, VCL_SESS_ATTR_NONBLOCK);
void *buffer, uint32_t * buflen)
{
vcl_worker_t *wrk = vcl_worker_get_current ();
- u32 *flags = buffer, tmp_flags = 0;
+ u32 *flags = buffer;
vppcom_endpt_t *ep = buffer;
transport_endpt_attr_t tea;
vcl_session_t *session;
*buflen);
break;
- case VPPCOM_ATTR_SET_SHUT:
- if (*flags == SHUT_RD || *flags == SHUT_RDWR)
- vcl_session_set_attr (session, VCL_SESS_ATTR_SHUT_RD);
- if (*flags == SHUT_WR || *flags == SHUT_RDWR)
- vcl_session_set_attr (session, VCL_SESS_ATTR_SHUT_WR);
- break;
-
- case VPPCOM_ATTR_GET_SHUT:
- if (vcl_session_has_attr (session, VCL_SESS_ATTR_SHUT_RD))
- tmp_flags = 1;
- if (vcl_session_has_attr (session, VCL_SESS_ATTR_SHUT_WR))
- tmp_flags |= 2;
- if (tmp_flags == 1)
- *(int *) buffer = SHUT_RD;
- else if (tmp_flags == 2)
- *(int *) buffer = SHUT_WR;
- else if (tmp_flags == 3)
- *(int *) buffer = SHUT_RDWR;
- *buflen = sizeof (int);
- break;
-
case VPPCOM_ATTR_SET_CONNECTED:
session->flags |= VCL_SESSION_F_CONNECTED;
break;
VPPCOM_ETIMEDOUT = -ETIMEDOUT,
VPPCOM_EEXIST = -EEXIST,
VPPCOM_ENOPROTOOPT = -ENOPROTOOPT,
+ VPPCOM_EPIPE = -EPIPE,
VPPCOM_ENOENT = -ENOENT,
} vppcom_error_t;
VPPCOM_ATTR_SET_TCP_KEEPINTVL,
VPPCOM_ATTR_GET_TCP_USER_MSS,
VPPCOM_ATTR_SET_TCP_USER_MSS,
- VPPCOM_ATTR_SET_SHUT,
- VPPCOM_ATTR_GET_SHUT,
VPPCOM_ATTR_SET_CONNECTED,
VPPCOM_ATTR_SET_CKPAIR,
VPPCOM_ATTR_SET_VRF,
extern void vppcom_app_destroy (void);
extern int vppcom_session_create (uint8_t proto, uint8_t is_nonblocking);
-extern int vppcom_session_shutdown (uint32_t session_handle);
+extern int vppcom_session_shutdown (uint32_t session_handle, int how);
extern int vppcom_session_close (uint32_t session_handle);
extern int vppcom_session_bind (uint32_t session_handle, vppcom_endpt_t * ep);
extern int vppcom_session_listen (uint32_t session_handle, uint32_t q_len);