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path: root/src/plugins/http_static/CMakeLists.txt
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# Copyright (c) <current-year> <your-organization>
# 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.

add_vpp_plugin(http_static
  SOURCES
  http_static.c
  static_server.c
  http_static.h

  API_FILES
  http_static.api

  API_TEST_SOURCES
  http_static_test.c
)
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/*
 * gbp.h : Group Based Policy
 *
 * 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.
 */

#include <plugins/gbp/gbp.h>

/**
 * Single contract DB instance
 */
gbp_contract_db_t gbp_contract_db;

void
gbp_contract_update (epg_id_t src_epg, epg_id_t dst_epg, u32 acl_index)
{
  gbp_main_t *gm = &gbp_main;
  u32 *acl_vec = 0;
  gbp_contract_value_t value = {
    .gc_lc_index = ~0,
    .gc_acl_index = ~0,
  };
  uword *p;

  gbp_contract_key_t key = {
    .gck_src = src_epg,
    .gck_dst = dst_epg,
  };

  if (~0 == gm->gbp_acl_user_id)
    {
      acl_plugin_exports_init (&gm->acl_plugin);
      gm->gbp_acl_user_id =
	gm->acl_plugin.register_user_module ("GBP ACL", "src-epg", "dst-epg");
    }

  p = hash_get (gbp_contract_db.gc_hash, key.as_u32);
  if (p != NULL)
    {
      value.as_u64 = p[0];
    }
  else
    {
      value.gc_lc_index =
	gm->acl_plugin.get_lookup_context_index (gm->gbp_acl_user_id, src_epg,
						 dst_epg);
      value.gc_acl_index = acl_index;
      hash_set (gbp_contract_db.gc_hash, key.as_u32, value.as_u64);
    }

  if (value.gc_lc_index == ~0)
    return;
  vec_add1 (acl_vec, acl_index);
  gm->acl_plugin.set_acl_vec_for_context (value.gc_lc_index, acl_vec);
  vec_free (acl_vec);
}

void
gbp_contract_delete (epg_id_t src_epg, epg_id_t dst_epg)
{
  gbp_main_t *gm = &gbp_main;
  uword *p;
  gbp_contract_value_t value;
  gbp_contract_key_t key = {
    .gck_src = src_epg,
    .gck_dst = dst_epg,
  };

  p = hash_get (gbp_contract_db.gc_hash, key.as_u32);
  if (p != NULL)
    {
      value.as_u64 = p[0];
      gm->acl_plugin.put_lookup_context_index (value.gc_lc_index);
    }
  hash_unset (gbp_contract_db.gc_hash, key.as_u32);
}

void
gbp_contract_walk (gbp_contract_cb_t cb, void *ctx)
{
  gbp_contract_key_t key;
  gbp_contract_value_t value;

  /* *INDENT-OFF* */
  hash_foreach(key.as_u32, value.as_u64, gbp_contract_db.gc_hash,
  ({
    gbp_contract_t gbpc = {
      .gc_key = key,
      .gc_value = value,
    };

    if (!cb(&gbpc, ctx))
      break;
  }));
  /* *INDENT-ON* */
}

static clib_error_t *
gbp_contract_cli (vlib_main_t * vm,
		  unformat_input_t * input, vlib_cli_command_t * cmd)
{
  epg_id_t src_epg_id = EPG_INVALID, dst_epg_id = EPG_INVALID;
  u32 acl_index = ~0;
  u8 add = 1;

  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (input, "add"))
	add = 1;
      else if (unformat (input, "del"))
	add = 0;
      else if (unformat (input, "src-epg %d", &src_epg_id))
	;
      else if (unformat (input, "dst-epg %d", &dst_epg_id))
	;
      else if (unformat (input, "acl-index %d", &acl_index))
	;
      else
	break;
    }

  if (EPG_INVALID == src_epg_id)
    return clib_error_return (0, "Source EPG-ID must be specified");
  if (EPG_INVALID == dst_epg_id)
    return clib_error_return (0, "Destination EPG-ID must be specified");

  if (add)
    {
      gbp_contract_update (src_epg_id, dst_epg_id, acl_index);
    }
  else
    {
      gbp_contract_delete (src_epg_id, dst_epg_id);
    }

  return (NULL);
}

/*?
 * Configure a GBP Contract
 *
 * @cliexpar
 * @cliexstart{set gbp contract [del] src-epg <ID> dst-epg <ID> acl-index <ACL>}
 * @cliexend
 ?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (gbp_contract_cli_node, static) =
{
  .path = "gbp contract",
  .short_help =
    "gbp contract [del] src-epg <ID> dst-epg <ID> acl-index <ACL>",
  .function = gbp_contract_cli,
};
/* *INDENT-ON* */

static clib_error_t *
gbp_contract_show (vlib_main_t * vm,
		   unformat_input_t * input, vlib_cli_command_t * cmd)
{
  gbp_contract_key_t key;
  gbp_contract_value_t value;

  vlib_cli_output (vm, "Contracts:");

  /* *INDENT-OFF* */
  hash_foreach (key.as_u32, value.as_u64, gbp_contract_db.gc_hash,
  {
    vlib_cli_output (vm, "  {%d,%d} -> %d", key.gck_src,
                     key.gck_dst, value.gc_acl_index);
  });
  /* *INDENT-ON* */

  return (NULL);
}

/*?
 * Show Group Based Policy Contracts
 *
 * @cliexpar
 * @cliexstart{show gbp contract}
 * @cliexend
 ?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (gbp_contract_show_node, static) = {
  .path = "show gbp contract",
  .short_help = "show gbp contract\n",
  .function = gbp_contract_show,
};
/* *INDENT-ON* */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */