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/*
 * Copyright (c) 2015 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.
 */
/*
 * error_funcs.h: VLIB error handling
 *
 * Copyright (c) 2008 Eliot Dresselhaus
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef included_vlib_error_funcs_h
#define included_vlib_error_funcs_h

#include <vlib/node_funcs.h>

always_inline void
vlib_error_elog_count (vlib_main_t * vm, uword counter, uword increment)
{
  if (VLIB_ELOG_MAIN_LOOP > 0 && increment > 0)
    {
      elog_main_t *em = &vm->elog_main;
      elog (em, vec_elt_at_index (vm->error_elog_event_types, counter),
	    increment);
    }
}

always_inline void
vlib_error_count (vlib_main_t * vm, uword node_index,
		  uword counter, uword increment)
{
  vlib_node_t *n = vlib_get_node (vm, node_index);
  vlib_error_main_t *em = &vm->error_main;

  ASSERT (counter < n->n_errors);
  counter += n->error_heap_index;

  ASSERT (counter < vec_len (em->counters));
  em->counters[counter] += increment;

  vlib_error_elog_count (vm, counter, increment);
}

/* Drop all buffers in frame with given error code. */
uword
vlib_error_drop_buffers (vlib_main_t * vm,
			 vlib_node_runtime_t * node,
			 u32 * buffers,
			 u32 next_buffer_stride,
			 u32 n_buffers,
			 u32 error_next_index,
			 u32 error_node, u32 error_code);

#endif /* included_vlib_error_funcs_h */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
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. """Routing utilities library.""" from resources.libraries.python.VatExecutor import VatTerminal from resources.libraries.python.topology import Topology from resources.libraries.python.ssh import exec_cmd_no_error class Routing(object): """Routing utilities.""" @staticmethod def vpp_route_add(node, network, prefix_len, gateway=None, interface=None, use_sw_index=True, resolve_attempts=10, count=1, vrf=None, lookup_vrf=None, multipath=False, weight=None): """Add route to the VPP node. :param node: Node to add route on. :param network: Route destination network address. :param prefix_len: Route destination network prefix length. :param gateway: Route gateway address. :param interface: Route interface. :param vrf: VRF table ID (Optional). :param use_sw_index: Use sw_if_index in VAT command. :param resolve_attempts: Resolve attempts IP route add parameter. :param count: number of IP addresses to add starting from network IP with same prefix (increment is 1). If None, then is not used. :param lookup_vrf: VRF table ID for lookup. :param multipath: Enable multipath routing. :param weight: Weight value for unequal cost multipath routing. :type node: dict :type network: str :type prefix_len: int :type gateway: str :type interface: str :type use_sw_index: bool :type resolve_attempts: int :type count: int :type vrf: int :type lookup_vrf: int :type multipath: bool :type weight: int """ if use_sw_index: int_cmd = ('sw_if_index {}'. format(Topology.get_interface_sw_index(node, interface))) else: int_cmd = interface rap = 'resolve-attempts {}'.format(resolve_attempts) \ if resolve_attempts else '' via = 'via {}'.format(gateway) if gateway else '' cnt = 'count {}'.format(count) \ if count else '' vrf = 'vrf {}'.format(vrf) if vrf else '' lookup_vrf = 'lookup-in-vrf {}'.format(lookup_vrf) if lookup_vrf else '' multipath = 'multipath' if multipath else '' weight = 'weight {}'.format(weight) if weight else '' with VatTerminal(node, json_param=False) as vat: vat.vat_terminal_exec_cmd_from_template('add_route.vat', network=network, prefix_length=prefix_len, via=via, vrf=vrf, interface=int_cmd, resolve_attempts=rap, count=cnt, lookup_vrf=lookup_vrf, multipath=multipath, weight=weight) @staticmethod def add_fib_table(node, network, prefix_len, fib_id, place): """Create new FIB table according to ID. :param node: Node to add FIB on. :param network: IP address to add to the FIB table. :param prefix_len: IP address prefix length. :param fib_id: FIB table ID. :param place: Possible variants are local, drop. :type node: dict :type network: str :type prefix_len: int :type fib_id: int :type place: str """ with VatTerminal(node) as vat: vat.vat_terminal_exec_cmd_from_template('add_fib_table.vat', network=network, prefix_length=prefix_len, fib_number=fib_id, where=place) @staticmethod def add_route(node, ip_addr, prefix, gateway, namespace=None): """Add route in namespace. :param node: Node where to execute command. :param ip_addr: Route destination IP address. :param prefix: IP prefix. :param namespace: Execute command in namespace. Optional. :param gateway: Gateway address. :type node: dict :type ip_addr: str :type prefix: int :type gateway: str :type namespace: str """ if namespace is not None: cmd = 'ip netns exec {} ip route add {}/{} via {}'.format( namespace, ip_addr, prefix, gateway) else: cmd = 'ip route add {}/{} via {}'.format(ip_addr, prefix, gateway) exec_cmd_no_error(node, cmd, sudo=True)