network_flow_endpoint.h

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// Copyright 2020 Ericsson AB
//
// 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 RMW__NETWORK_FLOW_ENDPOINT_H_
#define RMW__NETWORK_FLOW_ENDPOINT_H_
 
#if __cplusplus
extern "C"
{
#endif
 
#include "rmw/types.h"
#include "rmw/visibility_control.h"
 
typedef enum rmw_transport_protocol_t
{
  RMW_TRANSPORT_PROTOCOL_UNKNOWN = 0,
  RMW_TRANSPORT_PROTOCOL_UDP,
  RMW_TRANSPORT_PROTOCOL_TCP,
  RMW_TRANSPORT_PROTOCOL_COUNT
} rmw_transport_protocol_t;
 
typedef enum rmw_internet_protocol_t
{
  RMW_INTERNET_PROTOCOL_UNKNOWN = 0,
  RMW_INTERNET_PROTOCOL_IPV4,
  RMW_INTERNET_PROTOCOL_IPV6,
  RMW_INTERNET_PROTOCOL_COUNT
} rmw_internet_protocol_t;
 
#define RMW_INET_ADDRSTRLEN 48
 
typedef struct RMW_PUBLIC_TYPE rmw_network_flow_endpoint_t
{
  // Transport protocol
  rmw_transport_protocol_t transport_protocol;
  // Internet protocol
  rmw_internet_protocol_t internet_protocol;
  // Port
  uint16_t transport_port;
  // Flow label
  // TODO(anamud): Consider specializing since flow_label is set only at publisher
  // ... side.
  uint32_t flow_label;
  // DSCP (Diff. Services Code Point)
  // TODO(anamud): Consider specializing since DSCP is set only at publisher
  // ... side.
  uint8_t dscp;
  // Internet address
  char internet_address[RMW_INET_ADDRSTRLEN];
} rmw_network_flow_endpoint_t;
 
RMW_PUBLIC
rmw_network_flow_endpoint_t
rmw_get_zero_initialized_network_flow_endpoint(void);
 
 
RMW_PUBLIC
const char *
rmw_network_flow_endpoint_get_transport_protocol_string(
  const rmw_transport_protocol_t transport_protocol);
 
 
RMW_PUBLIC
const char *
rmw_network_flow_endpoint_get_internet_protocol_string(
  const rmw_internet_protocol_t internet_protocol);
 
 
RMW_PUBLIC
rmw_ret_t
rmw_network_flow_endpoint_set_internet_address(
  rmw_network_flow_endpoint_t * network_flow_endpoint,
  const char * internet_address,
  size_t size);
 
#if __cplusplus
}
#endif
 
#endif  // RMW__NETWORK_FLOW_ENDPOINT_H_