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// Cyphesis Online RPG Server and AI Engine
// Copyright (C) 2000,2001 Alistair Riddoch
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
// $Id: slave.cpp,v 1.14 2007-11-05 19:24:50 alriddoch Exp $
#include "CommServer.h"
#include "CommSlaveListener.h"
#include "CommMaster.h"
#include "ServerRouting.h"
#include "EntityFactory.h"
#include "Persistance.h"
#include "Restoration.h"
#include "WorldRouter.h"
#include "rulesets/Python_API.h"
#include "rulesets/MindFactory.h"
#include "common/log.h"
#include "common/debug.h"
#include "common/globals.h"
#include "common/inheritance.h"
#include "common/system.h"
#include <varconf/config.h>
static const bool debug_flag = false;
int main(int argc, char ** argv)
{
interactive_signals();
if (loadConfig(argc, argv, true) < 0) {
// Fatal error loading config file
return EXIT_CONFIG_ERROR;
}
if (daemon_flag) {
int pid = daemonise();
if (pid == -1) {
return EXIT_FORK_ERROR;
} else if (pid > 0) {
return EXIT_SUCCESS;
}
}
// If we are a daemon logging to syslog, we need to set it up.
initLogger();
// Initialise the persistance subsystem. If we have been built with
// database support, this will open the various databases used to
// store server data.
int dbstatus = Persistance::init();
if (dbstatus < 0) {
log(CRITICAL, "Critical error opening databases. Init failed.");
log(INFO, "Please ensure that the database tables can be created or accessed by cyphesis.");
return EXIT_DATABASE_ERROR;
}
// If the restricted flag is set in the config file, then we
// don't allow connecting users to create accounts. Accounts must
// be created manually by the server administrator.
if (readConfigItem("cyphesis","restricted", restricted_flag) == 0) {
if (restricted_flag) {
log(INFO, "Setting restricted mode.");
}
}
readConfigItem("cyphesis","inittime", timeoffset);
std::string mserver("metaserver.worldforge.org");
readConfigItem("cyphesis", "metaserver", mserver);
std::string serverName;
if (readConfigItem("cyphesis","servername", serverName) != 0) {
serverName = get_hostname();
}
std::string serverHostname("localhost");
readConfigItem("slave","server", serverHostname);
// Start up the python subsystem.
init_python_api();
{ // scope for CommServer
// Create commserver instance that will handle connections from clients.
// The commserver will create the other server related objects, and the
// world object pair (World + WorldRouter), and initialise the admin
// account. The primary ruleset name is passed in so it
// can be stored and queried by clients.
WorldRouter world;
// This ID is currently generated every time, but should perhaps be
// persistent in future.
std::string server_id, lobby_id;
long int_id, lobby_int_id;
if (((int_id = newId(server_id)) < 0) ||
((lobby_int_id = newId(lobby_id)) < 0)) {
log(CRITICAL, "Unable to get server IDs from Database");
return EXIT_DATABASE_ERROR;
}
ServerRouting server(world, ruleset, serverName,
server_id, int_id,
lobby_id, lobby_int_id);
CommServer commServer(server);
// This is where we should restore the database, before
// the listen sockets are open. Unlike earlier code, we are
// attempting to construct the internal state from the database,
// not creating a new world using the contents of the database as a
// template
log(INFO, "Restoring world from database...");
Restoration restore(server);
restore.read();
log(INFO, " world restored");
CommSlaveListener * listener = new CommSlaveListener(commServer);
if (listener->setup(slave_socket_name) != 0) {
log(ERROR, "Could not create listen socket. Init failed.");
return EXIT_SOCKET_ERROR;
}
commServer.addSocket(listener);
std::string master_id;
if (newId(master_id) < 0) {
log(CRITICAL, "Unable to get master ID from Database");
return EXIT_DATABASE_ERROR;
}
CommMaster * master = new CommMaster(commServer, serverHostname, master_id);
if (master->connect(serverHostname) != 0) {
log(ERROR, "Could not connect to master. Init failed.");
return EXIT_SOCKET_ERROR;
}
commServer.addSocket(master);
log(INFO, "Running");
// Inform things that want to know that we are running.
running();
// Loop until the exit flag is set. The exit flag can be set anywhere in
// the code easily.
while (!exit_flag) {
try {
commServer.poll();
}
catch (...) {
// It is hoped that commonly thrown exception, particularly
// exceptions that can be caused by external influences
// should be caught close to where they are thrown. If
// an exception makes it here then it should be debugged.
log(ERROR, "Exception caught in main()");
}
}
// exit flag has been set so we close down the databases, and indicate
// to the metaserver (if we are using one) that this server is going down.
// It is assumed that any preparation for the shutdown that is required
// by the game has been done before exit flag was set.
log(NOTICE, "Performing clean shutdown...");
} // close scope of CommServer, which cause the destruction of the
// server and world objects, and the entire world contents
Persistance::shutdown();
EntityFactory::instance()->flushFactories();
EntityFactory::del();
MindFactory::del();
Inheritance::clear();
// Shutdown the python interpretter. This frees lots of memory, and if
// the malloc heap is in any way corrupt, a segfault is likely to
// occur at this point. Previous occassions where pointers have been
// deleted twice elsewhere in the code, have resulted in a segfault
// at this point. AlRiddoch 10th November 2001
shutdown_python_api();
delete global_conf;
log(INFO, "Clean shutdown complete.");
return 0;
}
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