session: move add/del segment msg to mq

Type: refactor

Change-Id: I32234173ebd69f80acb1afa4039fffbd19157f6d
Signed-off-by: Florin Coras <fcoras@cisco.com>

4 files changed, 95 insertions, 97 deletions

diff --git a/src/plugins/hs_apps/sapi/vpp_echo.c b/src/plugins/hs_apps/sapi/vpp_echo.c
index 84089c6b512..0550006f949 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo.c
+++ b/src/plugins/hs_apps/sapi/vpp_echo.c
@@ -531,6 +531,21 @@ session_bound_handler (session_bound_msg_t * mp)
     em->proto_cb_vft->bound_uri_cb (mp, listen_session);
 }
 
+static int
+echo_segment_is_not_mapped (u64 segment_handle)
+{
+  echo_main_t *em = &echo_main;
+  uword *segment_present;
+  ECHO_LOG (3, "Check if segment mapped 0x%lx...", segment_handle);
+  clib_spinlock_lock (&em->segment_handles_lock);
+  segment_present = hash_get (em->shared_segment_handles, segment_handle);
+  clib_spinlock_unlock (&em->segment_handles_lock);
+  if (segment_present != 0)
+    return 0;
+  ECHO_LOG (2, "Segment not mapped (0x%lx)", segment_handle);
+  return -1;
+}
+
 static void
 session_accepted_handler (session_accepted_msg_t * mp)
 {
@@ -546,7 +561,7 @@ session_accepted_handler (session_accepted_msg_t * mp)
 		 "Unknown listener handle 0x%lx", mp->listener_handle);
       return;
     }
-  if (wait_for_segment_allocation (mp->segment_handle))
+  if (echo_segment_is_not_mapped (mp->segment_handle))
     {
       ECHO_FAIL (ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC,
 		 "accepted wait_for_segment_allocation errored");
@@ -615,7 +630,7 @@ session_connected_handler (session_connected_msg_t * mp)
     }
 
   session = echo_session_new (em);
-  if (wait_for_segment_allocation (mp->segment_handle))
+  if (echo_segment_is_not_mapped (mp->segment_handle))
     {
       ECHO_FAIL (ECHO_FAIL_CONNECTED_WAIT_FOR_SEG_ALLOC,
 		 "connected wait_for_segment_allocation errored");
@@ -709,6 +724,66 @@ session_reset_handler (session_reset_msg_t * mp)
 }
 
 static void
+add_segment_handler (session_app_add_segment_msg_t * mp)
+{
+  fifo_segment_main_t *sm = &echo_main.segment_main;
+  fifo_segment_create_args_t _a, *a = &_a;
+  echo_main_t *em = &echo_main;
+  int *fds = 0, i;
+  char *seg_name = (char *) mp->segment_name;
+  u64 segment_handle = mp->segment_handle;
+
+  if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
+    {
+      vec_validate (fds, 1);
+      if (vl_socket_client_recv_fd_msg (fds, 1, 5))
+	{
+	  ECHO_FAIL (ECHO_FAIL_VL_API_RECV_FD_MSG,
+		     "vl_socket_client_recv_fd_msg failed");
+	  goto failed;
+	}
+
+      if (echo_ssvm_segment_attach (seg_name, SSVM_SEGMENT_MEMFD, fds[0]))
+	{
+	  ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
+		     "svm_fifo_segment_attach ('%s') "
+		     "failed on SSVM_SEGMENT_MEMFD", seg_name);
+	  goto failed;
+	}
+      vec_free (fds);
+    }
+  else
+    {
+      clib_memset (a, 0, sizeof (*a));
+      a->segment_name = seg_name;
+      a->segment_size = mp->segment_size;
+      /* Attach to the segment vpp created */
+      if (fifo_segment_attach (sm, a))
+	{
+	  ECHO_FAIL (ECHO_FAIL_VL_API_FIFO_SEG_ATTACH,
+		     "fifo_segment_attach ('%s') failed", seg_name);
+	  goto failed;
+	}
+    }
+  echo_segment_handle_add_del (em, segment_handle, 1 /* add */ );
+  ECHO_LOG (2, "Mapped segment 0x%lx", segment_handle);
+  return;
+
+failed:
+  for (i = 0; i < vec_len (fds); i++)
+    close (fds[i]);
+  vec_free (fds);
+}
+
+static void
+del_segment_handler (session_app_del_segment_msg_t * mp)
+{
+  echo_main_t *em = &echo_main;
+  echo_segment_handle_add_del (em, mp->segment_handle, 0 /* add */ );
+  ECHO_LOG (2, "Unmaped segment 0x%lx", mp->segment_handle);
+}
+
+static void
 handle_mq_event (session_event_t * e)
 {
   switch (e->event_type)
@@ -727,6 +802,12 @@ handle_mq_event (session_event_t * e)
     case SESSION_CTRL_EVT_UNLISTEN_REPLY:
       return session_unlisten_handler ((session_unlisten_reply_msg_t *)
 				       e->data);
+    case SESSION_CTRL_EVT_APP_ADD_SEGMENT:
+      add_segment_handler ((session_app_add_segment_msg_t *) e->data);
+      break;
+    case SESSION_CTRL_EVT_APP_DEL_SEGMENT:
+      del_segment_handler ((session_app_del_segment_msg_t *) e->data);
+      break;
     case SESSION_IO_EVT_RX:
       break;
     default:
diff --git a/src/plugins/hs_apps/sapi/vpp_echo_bapi.c b/src/plugins/hs_apps/sapi/vpp_echo_bapi.c
index 04eba24156c..cff331a1482 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo_bapi.c
+++ b/src/plugins/hs_apps/sapi/vpp_echo_bapi.c
@@ -198,8 +198,8 @@ echo_send_disconnect_session (echo_main_t * em, void *args)
  *
  */
 
-static int
-ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd)
+int
+echo_ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd)
 {
   fifo_segment_create_args_t _a, *a = &_a;
   fifo_segment_main_t *sm = &echo_main.segment_main;
@@ -218,7 +218,7 @@ ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd)
   return 0;
 }
 
-static inline void
+void
 echo_segment_handle_add_del (echo_main_t * em, u64 segment_handle, u8 add)
 {
   clib_spinlock_lock (&em->segment_handles_lock);
@@ -315,7 +315,7 @@ vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp)
 	}
 
       if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT)
-	if (ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++]))
+	if (echo_ssvm_segment_attach (0, SSVM_SEGMENT_MEMFD, fds[n_fds++]))
 	  {
 	    ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
 		       "svm_fifo_segment_attach failed on SSVM_SEGMENT_MEMFD");
@@ -323,8 +323,8 @@ vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp)
 	  }
 
       if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
-	if (ssvm_segment_attach ((char *) mp->segment_name,
-				 SSVM_SEGMENT_MEMFD, fds[n_fds++]))
+	if (echo_ssvm_segment_attach ((char *) mp->segment_name,
+				      SSVM_SEGMENT_MEMFD, fds[n_fds++]))
 	  {
 	    ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
 		       "svm_fifo_segment_attach ('%s') "
@@ -338,8 +338,8 @@ vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp)
     }
   else
     {
-      if (ssvm_segment_attach ((char *) mp->segment_name, SSVM_SEGMENT_SHM,
-			       -1))
+      if (echo_ssvm_segment_attach
+	  ((char *) mp->segment_name, SSVM_SEGMENT_SHM, -1))
 	{
 	  ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
 		     "svm_fifo_segment_attach ('%s') "
@@ -371,74 +371,11 @@ vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
   echo_main.state = STATE_DETACHED;
 }
 
-static void
-vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp)
-{
-  echo_main_t *em = &echo_main;
-  u64 segment_handle = clib_net_to_host_u64 (mp->segment_handle);
-  echo_segment_handle_add_del (em, segment_handle, 0 /* add */ );
-  ECHO_LOG (2, "Unmaped segment 0x%lx", segment_handle);
-}
-
-static void
-vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
-{
-  fifo_segment_main_t *sm = &echo_main.segment_main;
-  fifo_segment_create_args_t _a, *a = &_a;
-  echo_main_t *em = &echo_main;
-  int *fds = 0, i;
-  char *seg_name = (char *) mp->segment_name;
-  u64 segment_handle = clib_net_to_host_u64 (mp->segment_handle);
-
-  if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
-    {
-      vec_validate (fds, 1);
-      if (vl_socket_client_recv_fd_msg (fds, 1, 5))
-	{
-	  ECHO_FAIL (ECHO_FAIL_VL_API_RECV_FD_MSG,
-		     "vl_socket_client_recv_fd_msg failed");
-	  goto failed;
-	}
-
-      if (ssvm_segment_attach (seg_name, SSVM_SEGMENT_MEMFD, fds[0]))
-	{
-	  ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
-		     "svm_fifo_segment_attach ('%s') "
-		     "failed on SSVM_SEGMENT_MEMFD", seg_name);
-	  goto failed;
-	}
-      vec_free (fds);
-    }
-  else
-    {
-      clib_memset (a, 0, sizeof (*a));
-      a->segment_name = seg_name;
-      a->segment_size = mp->segment_size;
-      /* Attach to the segment vpp created */
-      if (fifo_segment_attach (sm, a))
-	{
-	  ECHO_FAIL (ECHO_FAIL_VL_API_FIFO_SEG_ATTACH,
-		     "fifo_segment_attach ('%s') failed", seg_name);
-	  goto failed;
-	}
-    }
-  echo_segment_handle_add_del (em, segment_handle, 1 /* add */ );
-  ECHO_LOG (2, "Mapped segment 0x%lx", segment_handle);
-  return;
-
-failed:
-  for (i = 0; i < vec_len (fds); i++)
-    close (fds[i]);
-  vec_free (fds);
-}
-
 #define foreach_quic_echo_msg                                    \
 _(APP_ATTACH_REPLY, app_attach_reply)                            \
 _(APPLICATION_DETACH_REPLY, application_detach_reply)            \
-_(MAP_ANOTHER_SEGMENT, map_another_segment)                      \
 _(APP_ADD_CERT_KEY_PAIR_REPLY, app_add_cert_key_pair_reply)      \
-_(APP_DEL_CERT_KEY_PAIR_REPLY, app_del_cert_key_pair_reply)      \
-_(UNMAP_SEGMENT, unmap_segment)
+_(APP_DEL_CERT_KEY_PAIR_REPLY, app_del_cert_key_pair_reply)
 
 void
 echo_api_hookup (echo_main_t * em)
diff --git a/src/plugins/hs_apps/sapi/vpp_echo_common.c b/src/plugins/hs_apps/sapi/vpp_echo_common.c
index 0642ee67429..e38b17cc013 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo_common.c
+++ b/src/plugins/hs_apps/sapi/vpp_echo_common.c
@@ -593,28 +593,6 @@ echo_get_session_from_handle (echo_main_t * em, u64 handle)
 }
 
 int
-wait_for_segment_allocation (u64 segment_handle)
-{
-  echo_main_t *em = &echo_main;
-  f64 timeout;
-  timeout = clib_time_now (&em->clib_time) + TIMEOUT;
-  uword *segment_present;
-  ECHO_LOG (3, "Waiting for segment 0x%lx...", segment_handle);
-  while (clib_time_now (&em->clib_time) < timeout)
-    {
-      clib_spinlock_lock (&em->segment_handles_lock);
-      segment_present = hash_get (em->shared_segment_handles, segment_handle);
-      clib_spinlock_unlock (&em->segment_handles_lock);
-      if (segment_present != 0)
-	return 0;
-      if (em->time_to_stop == 1)
-	return 0;
-    }
-  ECHO_LOG (2, "timeout wait_for_segment_allocation (0x%lx)", segment_handle);
-  return -1;
-}
-
-int
 wait_for_state_change (echo_main_t * em, connection_state_t state,
 		       f64 timeout)
 {
diff --git a/src/plugins/hs_apps/sapi/vpp_echo_common.h b/src/plugins/hs_apps/sapi/vpp_echo_common.h
index 264d1695af0..0c85b499e9c 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo_common.h
+++ b/src/plugins/hs_apps/sapi/vpp_echo_common.h
@@ -432,7 +432,6 @@ void echo_session_handle_add_del (echo_main_t * em, u64 handle, u32 sid);
 echo_session_t *echo_session_new (echo_main_t * em);
 int echo_send_rpc (echo_main_t * em, void *fp, echo_rpc_args_t * args);
 echo_session_t *echo_get_session_from_handle (echo_main_t * em, u64 handle);
-int wait_for_segment_allocation (u64 segment_handle);
 int wait_for_state_change (echo_main_t * em, connection_state_t state,
 			   f64 timeout);
 void echo_notify_event (echo_main_t * em, echo_test_evt_t e);
@@ -440,6 +439,9 @@ void echo_session_print_stats (echo_main_t * em, echo_session_t * session);
 u8 *echo_format_crypto_engine (u8 * s, va_list * args);
 uword echo_unformat_crypto_engine (unformat_input_t * input, va_list * args);
 u8 *echo_format_bytes_per_sec (u8 * s, va_list * args);
+int echo_ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd);
+void echo_segment_handle_add_del (echo_main_t * em, u64 segment_handle,
+				  u8 add);
 
 /* Binary API */