GroupSessionOptions.cc

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/*
 * Copyright 2006-2009 Savarese Software Research Corporation
 *
 * 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
 *
 *     https://www.savarese.com/software/ApacheLicense-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 <ssrc/wispers/group_session/GroupSessionOptions.h>
#include <ssrc/wispers/lua/LoadConfig.h>

__BEGIN_NS_SSRC_WSPR_GROUP_SESSION

using std::string;

GroupSessionOptions::GroupSessionOptions() :
  super(), _group_session_description("GroupSession")
{
  using namespace boost::program_options;

  _group_session_description.add_options()
    ("gs-name,N",
     value<string>(&initializer.gs_name),
     "The user-facing application name of the group session service.")
    ("database,d",
     value<string>(&initializer.db_file),
     "The database filename used to store group session data.")
    ("db-properties",
     value<string>()->default_value(DEFAULT_CONFIG_FILE),
     "The database properties file used to configure group session database queries.")
    ("gs-poll-interval",
     value<unsigned int>(&initializer.gs_poll_interval)->default_value(300),
     "The number of seconds to poll for expired group sessions.")
    ("partition-id",
     value<unsigned int>(&initializer.partition_id)->default_value(0),
     "The partition identifier for the space of gsids served by the service.")
    ("num-partitions",
     value<unsigned int>(&initializer.num_partitions)->default_value(1),
     "The number of partitions deployed for the service protocol.")
    ("ids-per-expiration-message",
     value<unsigned int>(&initializer.ids_per_expiration_message)->default_value(2000),
     "The upper limit on the combined number of gsids and uids to include in a group session expiration message.");

  super::description.add(_group_session_description);
}

void GroupSessionOptions::notify(boost::program_options::variables_map & vm) {
  super::notify(vm);
  if(vm.count("gs-name") < 1)
    throw std::invalid_argument("missing gs-name");
  if(vm.count("database") < 1)
    throw std::invalid_argument("missing database");
  if(vm.count("db-properties") < 1)
    throw std::invalid_argument("missing group session properties");
  else {
    const NS_SSRC_WSPR_LUA::LoadConfig load(DEFAULT_MODULE_DIR);
    initializer.properties = std::move(*load(vm["db-properties"].as<string>()));
  }
}

__END_NS_SSRC_WSPR_GROUP_SESSION