lorenz.stechauner/sesimos
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Use getopt_long

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Lorenz Stechauner
2022-12-15 11:26:40 +01:00
parent 3ce72975b8
commit 3227e615fe
4 changed files with 43 additions and 33 deletions
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52
src/server.c
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@ -19,6 +19,7 @@
#include "lib/utils.h"
#include <stdio.h>
#include <getopt.h>
#include <sys/socket.h>
#include <signal.h>
#include <unistd.h>
@ -145,7 +146,7 @@ void terminate_gracefully(int sig) {
exit(0);
}
int main(int argc, const char *argv[]) {
int main(int argc, char *const argv[]) {
const int YES = 1;
struct pollfd poll_fds[NUM_SOCKETS];
int ready_sockets_num;
@ -171,32 +172,45 @@ int main(int argc, const char *argv[]) {
}
printf("Sesimos web server " SERVER_VERSION "\n");
static const struct option long_opts[] = {
{"help", no_argument, 0, 'h'},
{"config", required_argument, 0, 'c'},
{ 0, 0, 0, 0 }
};
config_file = NULL;
for (int i = 1; i < argc; i++) {
const char *arg = argv[i];
if (strcmp(arg, "-h") == 0 || strcmp(arg, "--help") == 0) {
printf("Usage: sesimos [-h] [-c <CONFIG-FILE>]\n"
"\n"
"Options:\n"
" -c, --config <CONFIG-FILE> path to the config file. If not provided, default will be used\n"
" -h, --help print this dialogue\n");
return 0;
} else if (strcmp(arg, "-c") == 0 || strcmp(arg, "--config") == 0) {
if (i == argc - 1) {
critical("Unable to parse argument %s, usage: --config <CONFIG-FILE>", arg);
int c, opt_idx;
while ((c = getopt_long(argc, argv, "hc:", long_opts, &opt_idx)) != -1) {
switch (c) {
case 'h':
fprintf(stderr,
"Usage: sesimos [-h] [-c <CONFIG FILE>]\n"
"\n"
"Options:\n"
" -c, --config <CONFIG-FILE> path to the config file. If not provided, default will be used\n"
" -h, --help print this dialogue\n");
return 0;
case 'c':
config_file = optarg;
break;
case '?':
default:
critical("Unable to parse arguments");
return 1;
}
config_file = argv[++i];
} else {
critical("Unable to parse argument '%s'", arg);
return 1;
}
}
if (optind != argc) {
critical("No positional arguments expected");
return 1;
}
if (config_load(config_file == NULL ? DEFAULT_CONFIG_FILE : config_file) != 0)
return 1;
if ((sockets[0] = socket(AF_INET6, SOCK_STREAM, 0)) == - 1 || (sockets[1] = socket(AF_INET6, SOCK_STREAM, 0)) == -1) {
if ((sockets[0] = socket(AF_INET6, SOCK_STREAM, 0)) == -1 ||
(sockets[1] = socket(AF_INET6, SOCK_STREAM, 0)) == -1)
{
critical("Unable to create socket");
return 1;
}