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/*
 *------------------------------------------------------------------
 * Copyright (c) 2018 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.
 *------------------------------------------------------------------
 */

#ifndef SRC_VLIBMEMORY_MEMORY_API_H_
#define SRC_VLIBMEMORY_MEMORY_API_H_

#include <svm/svm.h>
#include <svm/ssvm.h>
#include <svm/queue.h>
#include <vlib/vlib.h>
#include <vlibapi/api.h>
#include <vlibmemory/memory_shared.h>

svm_queue_t *vl_api_client_index_to_input_queue (u32 index);
int vl_mem_api_init (const char *region_name);
void vl_mem_api_dead_client_scan (api_main_t * am, vl_shmem_hdr_t * shm,
				  f64 now);
int vl_mem_api_handle_msg_main (vlib_main_t * vm, vlib_node_runtime_t * node);
int vl_mem_api_handle_msg_private (vlib_main_t * vm,
				   vlib_node_runtime_t * node, u32 reg_index);
int vl_mem_api_handle_rpc (vlib_main_t * vm, vlib_node_runtime_t * node);

vl_api_registration_t *vl_mem_api_client_index_to_registration (u32 handle);
void vl_mem_api_enable_disable (vlib_main_t * vm, int yesno);
u32 vl_api_memclnt_create_internal (char *, svm_queue_t *);

static inline u32
vl_msg_api_handle_get_epoch (u32 index)
{
  return (index & VL_API_EPOCH_MASK);
}

static inline u32
vl_msg_api_handle_get_index (u32 index)
{
  return (index >> VL_API_EPOCH_SHIFT);
}

static inline u32
vl_msg_api_handle_from_index_and_epoch (u32 index, u32 epoch)
{
  u32 handle;
  ASSERT (index < 0x00FFFFFF);

  handle = (index << VL_API_EPOCH_SHIFT) | (epoch & VL_API_EPOCH_MASK);
  return handle;
}

static inline u8
vl_msg_api_handle_is_valid (u32 handle, u32 restarts)
{
  u32 epoch = vl_msg_api_handle_get_epoch (handle);
  return ((restarts & VL_API_EPOCH_MASK) == epoch);
}

#define VL_MEM_API_LOG_Q_LEN(fmt,qlen)			\
if (TRACE_VLIB_MEMORY_QUEUE)				\
  do {							\
      ELOG_TYPE_DECLARE (e) = {				\
        .format = fmt,					\
        .format_args = "i4",				\
      };							\
      struct { u32 len; } *ed;				\
      ed = ELOG_DATA (&vm->elog_main, e);		\
      ed->len = qlen;					\
  } while (0)

#endif /* SRC_VLIBMEMORY_MEMORY_API_H_ */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
an class="p">(port); sep->is_ip4 = 1; return 1; } else if (unformat (input, "%U://%U/%d", unformat_transport_proto, &transport_proto, unformat_ip6_address, &sep->ip.ip6, &port)) { sep->transport_proto = transport_proto; sep->port = clib_host_to_net_u16 (port); sep->is_ip4 = 0; return 1; } else if (unformat (input, "%U://[%s]%U/%d", unformat_transport_proto, &transport_proto, &sep->hostname, unformat_ip6_address, &sep->ip.ip6, &port)) { sep->transport_proto = transport_proto; sep->port = clib_host_to_net_u16 (port); sep->is_ip4 = 0; return 1; } else if (unformat (input, "%U://session/%lu", unformat_transport_proto, &transport_proto, &sep->parent_handle)) { sep->transport_proto = transport_proto; sep->ip.ip4.as_u32 = 1; /* ip need to be non zero in vnet */ return 1; } return 0; } static u8 *cache_uri; static session_endpoint_cfg_t *cache_sep; int parse_uri (char *uri, session_endpoint_cfg_t * sep) { unformat_input_t _input, *input = &_input; if (cache_uri && !strncmp (uri, (char *) cache_uri, vec_len (cache_uri))) { *sep = *cache_sep; return 0; } /* Make sure */ uri = (char *) format (0, "%s%c", uri, 0); /* Parse uri */ unformat_init_string (input, uri, strlen (uri)); if (!unformat (input, "%U", unformat_vnet_uri, sep)) { unformat_free (input); return VNET_API_ERROR_INVALID_VALUE; } unformat_free (input); vec_free (cache_uri); cache_uri = (u8 *) uri; if (cache_sep) clib_mem_free (cache_sep); cache_sep = clib_mem_alloc (sizeof (*sep)); *cache_sep = *sep; return 0; } int vnet_bind_uri (vnet_listen_args_t * a) { session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL; int rv; rv = parse_uri (a->uri, &sep); if (rv) return rv; sep.app_wrk_index = 0; clib_memcpy (&a->sep_ext, &sep, sizeof (sep)); return vnet_listen (a); } int vnet_unbind_uri (vnet_unlisten_args_t * a) { session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL; application_t *app; session_t *listener; u32 table_index; int rv; if ((rv = parse_uri (a->uri, &sep))) return rv; app = application_get (a->app_index); if (!app) return VNET_API_ERROR_INVALID_VALUE; table_index = application_session_table (app, fib_ip_proto (!sep.is_ip4)); listener = session_lookup_listener (table_index, (session_endpoint_t *) & sep); if (!listener) return VNET_API_ERROR_ADDRESS_NOT_IN_USE; a->handle = listen_session_get_handle (listener); return vnet_unlisten (a); } int vnet_connect_uri (vnet_connect_args_t * a) { session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL; int rv; if ((rv = parse_uri (a->uri, &sep))) return rv; clib_memcpy (&a->sep_ext, &sep, sizeof (sep)); if ((rv = vnet_connect (a))) return rv; return 0; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */