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main.cpp
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executable file
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/*
*Copyright (c) 2013-2014, yinqiwen <yinqiwen@gmail.com>
*All rights reserved.
*
*Redistribution and use in source and binary forms, with or without
*modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
*THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
*AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
*IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
*ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
*BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
*CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
*SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
*INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
*CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
*ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
*THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "ardb.hpp"
#if defined __USE_LMDB__
#include "engine/lmdb_engine.hpp"
typedef ardb::LMDBEngineFactory SelectedDBEngineFactory;
#elif defined __USE_ROCKSDB__
#include "engine/rocksdb_engine.hpp"
typedef ardb::RocksDBEngineFactory SelectedDBEngineFactory;
#elif defined __USE_WIREDTIGER__
#include "engine/wiredtiger_engine.hpp"
typedef ardb::WiredTigerEngineFactory SelectedDBEngineFactory;
#elif defined __USE_FORESTDB__
#include "engine/forestdb_engine.hpp"
typedef ardb::ForestDBEngineFactory SelectedDBEngineFactory;
#else
#include "engine/leveldb_engine.hpp"
typedef ardb::LevelDBEngineFactory SelectedDBEngineFactory;
#endif
#include <signal.h>
#include <limits.h>
#include <stdlib.h>
void version()
{
printf("Ardb server v=%s bits=%d \n", ARDB_VERSION,
sizeof(long) == 4 ? 32 : 64);
exit(0);
}
void usage()
{
fprintf(stderr, "Usage: ./ardb-server [/path/to/ardb.conf] [options]\n");
fprintf(stderr, " ./ardb-server -v or --version\n");
fprintf(stderr, " ./ardb-server -h or --help\n");
fprintf(stderr, "Examples:\n");
fprintf(stderr,
" ./ardb-server (run the server with default conf)\n");
fprintf(stderr, " ./ardb-server /etc/ardb/16379.conf\n");
fprintf(stderr, " ./ardb-server /etc/myardb.conf \n\n");
exit(1);
}
int signal_setting()
{
signal(SIGPIPE, SIG_IGN);
return 0;
}
int main(int argc, char** argv)
{
Properties props;
std::string confpath;
if (argc >= 2)
{
int j = 1; /* First option to parse in argv[] */
char *configfile = NULL;
/* Handle special options --help and --version */
if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) version();
if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0) usage();
/* First argument is the config file name? */
if (argv[j][0] != '-' || argv[j][1] != '-')
{
configfile = argv[j++];
if (!parse_conf_file(configfile, props, " "))
{
printf("Error: Failed to parse conf file:%s\n", configfile);
return -1;
}
char readpath_buf[4096];
if(NULL != realpath(configfile, readpath_buf))
{
confpath = readpath_buf;
}
}
}
else
{
printf(
"Warning: no config file specified, using the default config. In order to specify a config file use %s /path/to/ardb.conf\n",
argv[0]);
}
signal_setting();
ArdbConfig cfg;
if (!cfg.Parse(props))
{
printf("Failed to parse config file.\n");
return -1;
}
SelectedDBEngineFactory engine(props);
Ardb server(engine);
if(0 == server.Init(cfg))
{
server.GetConfig().conf_path = confpath;
server.Start();
}
return 0;
}