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// The MIT License (MIT)
// Copyright (c) 2017 Yun-Chih Chen
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in
// all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#include "commit.h"
#include "common.h"
#include <fcntl.h>
#include <getopt.h>
#include <pthread.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#define PROG "nfextract"
sem_t nfl_commit_queue;
uint16_t nfl_group_id;
char *storage_dir = NULL;
const char *help_text =
"Usage: " PROG " [OPTION]\n"
"\n"
"Options:\n"
" -d --storage_dir=<dirname> log files storage directory\n"
" -h --help print this help\n"
" -v --version print version information\n"
"\n";
void sig_handler(int signo) {
if (signo == SIGHUP) {
/* TODO */
}
}
int main(int argc, char *argv[]) {
uint32_t i, max_commit_worker = 0, storage_size = 0;
uint32_t trunk_cnt, trunk_size, entries_max;
int nflog_group_id;
struct option longopts[] = {/* name, has_args, flag, val */
{"storage_dir", required_argument, NULL, 'd'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
{0, 0, 0, 0}};
int opt;
while ((opt = getopt_long(argc, argv, "d:hv", longopts, NULL)) != -1) {
switch (opt) {
case 'h':
printf("%s", help_text);
exit(0);
break;
case 'v':
printf("%s %s", PROG, VERSION);
exit(0);
break;
case 'd':
storage_dir = optarg;
break;
case '?':
fprintf(stderr, "Unknown argument, see --help");
exit(1);
}
}
// verify arguments
ASSERT(storage_dir != NULL,
"You must provide a storage directory (see --help)");
ERR(nfl_check_dir(storage_dir) < 0, "storage directory not exist");
// register signal handler
ERR(signal(SIGHUP, sig_handler) == SIG_ERR, "Could not set SIGHUP handler");
nfl_cal_trunk(storage_size, &trunk_cnt, &trunk_size);
nfl_cal_entries(trunk_size, &entries_max);
nflog_state_t trunk;
const char *filename, *output;
for (int i = 0; i < trunk_cnt; ++i) {
filename = nfl_get_filename(storage_dir, i);
nfl_extract_worker(trunk.header, trunk.store, filename);
for(int entry = 0; entry < trunk.header->n_entries; ++entry){
output = nfl_format_output(trunk.store);
puts((char*)output);
free((char*)output);
}
free((char*)filename);
}
return 0;
}
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