YugabyteDB (2.13.0.0-b42, bfc6a6643e7399ac8a0e81d06a3ee6d6571b33ab)

// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you 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.

//

// The following only applies to changes made to this file as part of YugaByte development.

//

// Portions Copyright (c) YugaByte, Inc.

//

// 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 "yb/util/net/sockaddr.h"

#include <stdio.h>

#include <string.h>

#include <string>

#include <boost/functional/hash.hpp>

#include <boost/lexical_cast.hpp>

#include "yb/gutil/macros.h"

#include "yb/gutil/stringprintf.h"

#include "yb/util/result.h"

#include "yb/util/status_format.h"

namespace yb {

using strings::Substitute;

std::string ToString(const Endpoint& endpoint) {

  return boost::lexical_cast<std::string>(endpoint);

}

std::size_t hash_value(const IpAddress& address) {

  size_t seed = 0;

  if (address.is_v4()) {

    boost::hash_combine(seed, address.to_v4().to_ulong());

  } else {

    boost::hash_combine(seed, address.to_v6().to_bytes());

  }

  return seed;

}

std::size_t hash_value(const Endpoint& endpoint) {

  size_t seed = 0;

  boost::hash_combine(seed, hash_value(endpoint.address()));

  boost::hash_combine(seed, endpoint.port());

  return seed;

}

Result<Endpoint> ParseEndpoint(const std::string& input, uint16_t default_port) {

  boost::system::error_code ec;

  // First of all we try to parse whole string as address w/o port.

  // Important for IPv6 addesses like fe80::1:1.

  auto address = IpAddress::from_string(input, ec);

  if (!ec) {

    return Endpoint(address, default_port);

  }

  std::string::size_type pos = 0;

  std::string::size_type address_begin, address_end;

  if (!input.empty() && input[0] == '[') {

    pos = input.find(']');

    if (pos != std::string::npos) {

      address_begin = 1;

      address_end = pos;

      if (++pos >= input.size()) {

        pos = std::string::npos;

      }

    } else {

      return STATUS_SUBSTITUTE(NetworkError, "']' missing in $0", input);

    }

  } else {

    address_begin = 0;

    pos = input.find(':');

    address_end = pos != std::string::npos ? pos : input.size();

  }

  auto address_str = input.substr(address_begin, address_end - address_begin);

  address = IpAddress::from_string(address_str, ec);

  if (ec) {

    return STATUS_FORMAT(NetworkError, "Failed to parse $0: $1", input, ec);

  }

  if (pos == std::string::npos) {

    return Endpoint(address, default_port);

  }

  if (input[pos] != ':') {

    return STATUS_SUBSTITUTE(NetworkError, "':' missing after ']' in $0", input);

  }

  ++pos;

  if (pos == input.size()) {

    return STATUS_SUBSTITUTE(NetworkError, "Port not specified in $0", input);

  }

  char *end = nullptr;

  auto port = strtoul(input.c_str() + pos, &end, 10);

  if (port > 0xffff || end != input.c_str() + input.size()) {

    return STATUS_SUBSTITUTE(NetworkError, "Invalid port in $0", input);

  }

  return Endpoint(address, port);

}

} // namespace yb