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// Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC")
//
// 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 ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL ISC 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.
// $Id$
#include "config.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/select.h>
#include <netdb.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <errno.h>
#include <cassert>
#include <iostream>
#include <boost/foreach.hpp>
#include <exceptions/exceptions.h>
#include <dns/buffer.h>
#include <dns/message.h>
#include <dns/messagerenderer.h>
#include <cc/session.h>
#include <cc/data.h>
#include <config/ccsession.h>
#include "spec_config.h"
#include "common.h"
#include "auth_srv.h"
#include "asio_link.h"
using namespace std;
using namespace isc::data;
using namespace isc::cc;
using namespace isc::config;
using namespace isc::dns;
namespace {
bool verbose_mode = false;
const string PROGRAM = "Auth";
const char* DNSPORT = "5300";
/* need global var for config/command handlers.
* todo: turn this around, and put handlers in the authserver
* class itself? */
AuthSrv *auth_server;
asio_link::IOService* io_service;
ElementPtr
my_config_handler(ElementPtr new_config) {
return auth_server->updateConfig(new_config);
}
ElementPtr
my_command_handler(const string& command, const ElementPtr args) {
ElementPtr answer = createAnswer();
if (command == "print_message") {
cout << args << endl;
/* let's add that message to our answer as well */
answer->get("result")->add(args);
} else if (command == "shutdown") {
io_service->stop();
}
return answer;
}
void
usage() {
cerr << "Usage: b10-auth [-p port] [-4|-6]" << endl;
exit(1);
}
} // end of anonymous namespace
int
main(int argc, char* argv[]) {
int ch;
const char* port = DNSPORT;
bool use_ipv4 = true, use_ipv6 = true;
while ((ch = getopt(argc, argv, "46p:v")) != -1) {
switch (ch) {
case '4':
// Note that -4 means "ipv4 only", we need to set "use_ipv6" here,
// not "use_ipv4". We could use something like "ipv4_only", but
// we found the negatively named variable could confuse the code
// logic.
use_ipv6 = false;
break;
case '6':
// The same note as -4 applies.
use_ipv4 = false;
break;
case 'p':
port = optarg;
break;
case 'v':
verbose_mode = true;
break;
case '?':
default:
usage();
}
}
if (argc - optind > 0) {
usage();
}
if (!use_ipv4 && !use_ipv6) {
cerr << "[b10-auth] Error: -4 and -6 can't coexist" << endl;
usage();
}
// initialize command channel
int ret = 0;
try {
string specfile;
if (getenv("B10_FROM_SOURCE")) {
specfile = string(getenv("B10_FROM_SOURCE")) +
"/src/bin/auth/auth.spec";
} else {
specfile = string(AUTH_SPECFILE_LOCATION);
}
auth_server = new AuthSrv;
auth_server->setVerbose(verbose_mode);
io_service = new asio_link::IOService(auth_server, port, use_ipv4,
use_ipv6);
ModuleCCSession cs(specfile, io_service->get_io_service(), my_config_handler, my_command_handler);
auth_server->setConfigSession(&cs);
auth_server->updateConfig(ElementPtr());
cout << "[b10-auth] Server started." << endl;
io_service->run();
} catch (const std::exception& ex) {
cerr << ex.what() << endl;
ret = 1;
}
delete io_service;
delete auth_server;
return (ret);
}
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