misc: move part of vpe apis to vlibmemory

VPE apis are actually vlib apis. This moves those that are not tightly
coupled with vapi to vlib_api

Type: refactor

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I456a64ce49a0cdeff4a0931c6ea513cb639f683e
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 470 insertions, 0 deletions

diff --git a/src/vlibmemory/vlibapi_test.c b/src/vlibmemory/vlibapi_test.c
new file mode 100644
index 00000000000..820096ab80d
--- /dev/null
+++ b/src/vlibmemory/vlibapi_test.c
@@ -0,0 +1,470 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2021 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vppinfra/error.h>
+
+#include <vpp/api/types.h>
+#include <vnet/mpls/packet.h>
+#include <vnet/ip/ip_types_api.h>
+
+typedef struct
+{
+  u16 msg_id_base;
+  vat_main_t *vat_main;
+} vlib_test_main_t;
+vlib_test_main_t vlib_test_main;
+
+#define __plugin_msg_base vlib_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+/* Declare message IDs */
+#include <vlibmemory/vlib.api_enum.h>
+#include <vlibmemory/vlib.api_types.h>
+
+static void
+vl_api_cli_reply_t_handler (vl_api_cli_reply_t *mp)
+{
+  vat_main_t *vam = &vat_main;
+  i32 retval = ntohl (mp->retval);
+
+  vam->retval = retval;
+  vam->shmem_result = uword_to_pointer (mp->reply_in_shmem, u8 *);
+  vam->result_ready = 1;
+}
+
+static void
+vl_api_cli_inband_reply_t_handler (vl_api_cli_inband_reply_t *mp)
+{
+  vat_main_t *vam = &vat_main;
+  i32 retval = ntohl (mp->retval);
+
+  vec_reset_length (vam->cmd_reply);
+
+  vam->retval = retval;
+  if (retval == 0)
+    vam->cmd_reply = vl_api_from_api_to_new_vec (mp, &mp->reply);
+  vam->result_ready = 1;
+}
+
+static void
+vl_api_get_node_index_reply_t_handler (vl_api_get_node_index_reply_t *mp)
+{
+  vat_main_t *vam = &vat_main;
+  i32 retval = ntohl (mp->retval);
+  if (vam->async_mode)
+    {
+      vam->async_errors += (retval < 0);
+    }
+  else
+    {
+      vam->retval = retval;
+      if (retval == 0)
+	errmsg ("node index %d", ntohl (mp->node_index));
+      vam->result_ready = 1;
+    }
+}
+
+static void
+vl_api_get_next_index_reply_t_handler (vl_api_get_next_index_reply_t *mp)
+{
+  vat_main_t *vam = &vat_main;
+  i32 retval = ntohl (mp->retval);
+  if (vam->async_mode)
+    {
+      vam->async_errors += (retval < 0);
+    }
+  else
+    {
+      vam->retval = retval;
+      if (retval == 0)
+	errmsg ("next node index %d", ntohl (mp->next_index));
+      vam->result_ready = 1;
+    }
+}
+
+static void
+vl_api_add_node_next_reply_t_handler (vl_api_add_node_next_reply_t *mp)
+{
+  vat_main_t *vam = &vat_main;
+  i32 retval = ntohl (mp->retval);
+  if (vam->async_mode)
+    {
+      vam->async_errors += (retval < 0);
+    }
+  else
+    {
+      vam->retval = retval;
+      if (retval == 0)
+	errmsg ("next index %d", ntohl (mp->next_index));
+      vam->result_ready = 1;
+    }
+}
+
+static void
+vl_api_get_f64_endian_value_reply_t_handler (
+  vl_api_get_f64_endian_value_reply_t *mp)
+{
+  // not yet implemented
+}
+
+static void
+vl_api_get_f64_increment_by_one_reply_t_handler (
+  vl_api_get_f64_increment_by_one_reply_t *mp)
+{
+  // not yet implemented
+}
+
+static int
+api_get_f64_endian_value (vat_main_t *vam)
+{
+  // not yet implemented
+  return -1;
+}
+
+static int
+api_get_f64_increment_by_one (vat_main_t *vam)
+{
+  // not yet implemented
+  return -1;
+}
+
+/*
+ * Pass CLI buffers directly in the CLI_INBAND API message,
+ * instead of an additional shared memory area.
+ */
+static int
+exec_inband (vat_main_t *vam)
+{
+  vl_api_cli_inband_t *mp;
+  unformat_input_t *i = vam->input;
+  int ret;
+
+  if (vec_len (i->buffer) == 0)
+    return -1;
+
+  if (vam->exec_mode == 0 && unformat (i, "mode"))
+    {
+      vam->exec_mode = 1;
+      return 0;
+    }
+  if (vam->exec_mode == 1 && (unformat (i, "exit") || unformat (i, "quit")))
+    {
+      vam->exec_mode = 0;
+      return 0;
+    }
+
+  /*
+   * In order for the CLI command to work, it
+   * must be a vector ending in \n, not a C-string ending
+   * in \n\0.
+   */
+  M2 (CLI_INBAND, mp, vec_len (vam->input->buffer));
+  vl_api_vec_to_api_string (vam->input->buffer, &mp->cmd);
+
+  S (mp);
+  W (ret);
+  /* json responses may or may not include a useful reply... */
+  if (vec_len (vam->cmd_reply))
+    print (vam->ofp, "%v", (char *) (vam->cmd_reply));
+  return ret;
+}
+static int
+api_cli_inband (vat_main_t *vam)
+{
+  return exec_inband (vam);
+}
+
+int
+exec (vat_main_t *vam)
+{
+  return exec_inband (vam);
+}
+
+static int
+api_cli (vat_main_t *vam)
+{
+  return exec (vam);
+}
+
+static int
+api_get_node_index (vat_main_t *vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_get_node_index_t *mp;
+  u8 *name = 0;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "node %s", &name))
+	;
+      else
+	break;
+    }
+  if (name == 0)
+    {
+      errmsg ("node name required");
+      return -99;
+    }
+  if (vec_len (name) >= ARRAY_LEN (mp->node_name))
+    {
+      errmsg ("node name too long, max %d", ARRAY_LEN (mp->node_name));
+      return -99;
+    }
+
+  M (GET_NODE_INDEX, mp);
+  clib_memcpy (mp->node_name, name, vec_len (name));
+  vec_free (name);
+
+  S (mp);
+  W (ret);
+  return ret;
+}
+
+static int
+api_get_next_index (vat_main_t *vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_get_next_index_t *mp;
+  u8 *node_name = 0, *next_node_name = 0;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "node-name %s", &node_name))
+	;
+      else if (unformat (i, "next-node-name %s", &next_node_name))
+	break;
+    }
+
+  if (node_name == 0)
+    {
+      errmsg ("node name required");
+      return -99;
+    }
+  if (vec_len (node_name) >= ARRAY_LEN (mp->node_name))
+    {
+      errmsg ("node name too long, max %d", ARRAY_LEN (mp->node_name));
+      return -99;
+    }
+
+  if (next_node_name == 0)
+    {
+      errmsg ("next node name required");
+      return -99;
+    }
+  if (vec_len (next_node_name) >= ARRAY_LEN (mp->next_name))
+    {
+      errmsg ("next node name too long, max %d", ARRAY_LEN (mp->next_name));
+      return -99;
+    }
+
+  M (GET_NEXT_INDEX, mp);
+  clib_memcpy (mp->node_name, node_name, vec_len (node_name));
+  clib_memcpy (mp->next_name, next_node_name, vec_len (next_node_name));
+  vec_free (node_name);
+  vec_free (next_node_name);
+
+  S (mp);
+  W (ret);
+  return ret;
+}
+
+static int
+api_add_node_next (vat_main_t *vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_add_node_next_t *mp;
+  u8 *name = 0;
+  u8 *next = 0;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "node %s", &name))
+	;
+      else if (unformat (i, "next %s", &next))
+	;
+      else
+	break;
+    }
+  if (name == 0)
+    {
+      errmsg ("node name required");
+      return -99;
+    }
+  if (vec_len (name) >= ARRAY_LEN (mp->node_name))
+    {
+      errmsg ("node name too long, max %d", ARRAY_LEN (mp->node_name));
+      return -99;
+    }
+  if (next == 0)
+    {
+      errmsg ("next node required");
+      return -99;
+    }
+  if (vec_len (next) >= ARRAY_LEN (mp->next_name))
+    {
+      errmsg ("next name too long, max %d", ARRAY_LEN (mp->next_name));
+      return -99;
+    }
+
+  M (ADD_NODE_NEXT, mp);
+  clib_memcpy (mp->node_name, name, vec_len (name));
+  clib_memcpy (mp->next_name, next, vec_len (next));
+  vec_free (name);
+  vec_free (next);
+
+  S (mp);
+  W (ret);
+  return ret;
+}
+
+static void
+vl_api_show_threads_reply_t_handler (vl_api_show_threads_reply_t *mp)
+{
+  vat_main_t *vam = &vat_main;
+  i32 retval = ntohl (mp->retval);
+  int i, count = 0;
+
+  if (retval >= 0)
+    count = ntohl (mp->count);
+
+  for (i = 0; i < count; i++)
+    print (vam->ofp, "\n%-2d %-11s %-11s %-5d %-6d %-4d %-6d",
+	   ntohl (mp->thread_data[i].id), mp->thread_data[i].name,
+	   mp->thread_data[i].type, ntohl (mp->thread_data[i].pid),
+	   ntohl (mp->thread_data[i].cpu_id), ntohl (mp->thread_data[i].core),
+	   ntohl (mp->thread_data[i].cpu_socket));
+
+  vam->retval = retval;
+  vam->result_ready = 1;
+}
+
+static int
+api_show_threads (vat_main_t *vam)
+{
+  vl_api_show_threads_t *mp;
+  int ret;
+
+  print (vam->ofp, "\n%-2s %-11s %-11s %-5s %-6s %-4s %-6s", "ID", "Name",
+	 "Type", "LWP", "cpu_id", "Core", "Socket");
+
+  M (SHOW_THREADS, mp);
+
+  S (mp);
+  W (ret);
+  return ret;
+}
+
+static void
+vl_api_get_node_graph_reply_t_handler (vl_api_get_node_graph_reply_t *mp)
+{
+  vat_main_t *vam = &vat_main;
+  i32 retval = ntohl (mp->retval);
+  u8 *pvt_copy, *reply;
+  void *oldheap;
+  vlib_node_t *node;
+  int i;
+
+  if (vam->async_mode)
+    {
+      vam->async_errors += (retval < 0);
+    }
+  else
+    {
+      vam->retval = retval;
+      vam->result_ready = 1;
+    }
+
+  /* "Should never happen..." */
+  if (retval != 0)
+    return;
+
+  reply = uword_to_pointer (mp->reply_in_shmem, u8 *);
+  pvt_copy = vec_dup (reply);
+
+  /* Toss the shared-memory original... */
+  oldheap = vl_msg_push_heap ();
+
+  vec_free (reply);
+
+  vl_msg_pop_heap (oldheap);
+
+  if (vam->graph_nodes)
+    {
+      hash_free (vam->graph_node_index_by_name);
+
+      for (i = 0; i < vec_len (vam->graph_nodes[0]); i++)
+	{
+	  node = vam->graph_nodes[0][i];
+	  vec_free (node->name);
+	  vec_free (node->next_nodes);
+	  vec_free (node);
+	}
+      vec_free (vam->graph_nodes[0]);
+      vec_free (vam->graph_nodes);
+    }
+
+  vam->graph_node_index_by_name = hash_create_string (0, sizeof (uword));
+  vam->graph_nodes = vlib_node_unserialize (pvt_copy);
+  vec_free (pvt_copy);
+
+  for (i = 0; i < vec_len (vam->graph_nodes[0]); i++)
+    {
+      node = vam->graph_nodes[0][i];
+      hash_set_mem (vam->graph_node_index_by_name, node->name, i);
+    }
+}
+
+static int
+api_get_node_graph (vat_main_t *vam)
+{
+  vl_api_get_node_graph_t *mp;
+  int ret;
+
+  M (GET_NODE_GRAPH, mp);
+
+  /* send it... */
+  S (mp);
+  /* Wait for the reply */
+  W (ret);
+  return ret;
+}
+
+#define VL_API_LOCAL_SETUP_MESSAGE_ID_TABLE local_setup_message_id_table
+static void
+local_setup_message_id_table (vat_main_t *vam)
+{
+  /* Add exec as an alias for cli_inband */
+  hash_set_mem (vam->function_by_name, "exec", api_cli_inband);
+  hash_set_mem (vam->help_by_name, "exec",
+		"usage: exec <vpe-debug-CLI-command>");
+}
+
+#include <vlibmemory/vlib.api_test.c>
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */