github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/utils/netutil/network.go (about)

     1  /*
     2   * Copyright (C) 2020 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package netutil
    19  
    20  import (
    21  	"net"
    22  	"strings"
    23  
    24  	"github.com/rs/zerolog"
    25  	"github.com/rs/zerolog/log"
    26  )
    27  
    28  // LogNetworkStats logs network information to the Trace log level.
    29  var LogNetworkStats = defaultLogNetworkStats
    30  
    31  // AddDefaultRoute adds default VPN tunnel route.
    32  func AddDefaultRoute(iface string) error {
    33  	return addDefaultRoute(iface)
    34  }
    35  
    36  // AssignIP assigns subnet to given interface.
    37  func AssignIP(iface string, subnet net.IPNet) error {
    38  	return assignIP(iface, subnet)
    39  }
    40  
    41  func defaultLogNetworkStats() {
    42  	if log.Logger.GetLevel() != zerolog.TraceLevel {
    43  		return
    44  	}
    45  
    46  	logNetworkStats()
    47  }
    48  
    49  func logOutputToTrace(out []byte, err error, args ...string) {
    50  	logSkipFrame := log.With().CallerWithSkipFrameCount(3).Logger()
    51  
    52  	if err != nil {
    53  		(&logSkipFrame).Trace().Msgf("Failed to get %s error: %v", strings.Join(args, " "), err)
    54  	} else {
    55  		(&logSkipFrame).Trace().Msgf("%q output:\n%s", strings.Join(args, " "), out)
    56  	}
    57  }