text: //------------------------------------------------------------------------------
  /*
      This file is part of MUSO: https://github.com/MUSO/MUSO
      Copyright (c) 2012-2014 MUSO Labs Inc.
  
      Permission to use, copy, modify, and/or distribute this software for any
      purpose  with  or without fee is hereby granted, provided that the above
      copyright notice and this permission notice appear in all copies.
  
      THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
      MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
      ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
      WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
      ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
      OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
  //==============================================================================
  
  #include <MUSO/app/main/Application.h>
  #include <MUSO/basics/Log.h>
  #include <MUSO/json/json_value.h>
  #include <MUSO/net/RPCErr.h>
  #include <MUSO/protocol/ErrorCodes.h>
  #include <MUSO/protocol/jss.h>
  #include <MUSO/rpc/Context.h>
  #include <boost/algorithm/string/predicate.hpp>
  
  namespace MUSO {
  
  Json::Value
  doLogLevel(RPC::JsonContext& context)
  {
      // log_level
      if (!context.params.isMember(jss::severity))
      {
          // get log severities
          Json::Value ret(Json::objectValue);
          Json::Value lev(Json::objectValue);
  
          lev[jss::base] =
              Logs::toString(Logs::fromSeverity(context.app.logs().threshold()));
          std::vector<std::pair<std::string, std::string>> logTable(
              context.app.logs().partition_severities());
          using stringPair = std::map<std::string, std::string>::value_type;
          for (auto const& [k, v] : logTable)
              lev[k] = v;
  
          ret[jss::levels] = lev;
          return ret;
      }
  
      LogSeverity const sv(
          Logs::fromString(context.params[jss::severity].asString()));
  
      if (sv == lsINVALID)
          return rpcError(rpcINVALID_PARAMS);
  
      auto severity = Logs::toSeverity(sv);
      // log_level severity
      if (!context.params.isMember(jss::partition))
      {
          // set base log threshold
          context.app.logs().threshold(severity);
          return Json::objectValue;
      }
  
      // log_level partition severity base?
      if (context.params.isMember(jss::partition))
      {
          // set partition threshold
          std::string partition(context.params[jss::partition].asString());
  
          if (boost::iequals(partition, "base"))
              context.app.logs().threshold(severity);
          else
              context.app.logs().get(partition).threshold(severity);
  
          return Json::objectValue;
      }
  
      return rpcError(rpcINVALID_PARAMS);
  }
  
  }  // namespace MUSO
  