This commit is contained in:
Tobias Reisinger 2020-06-16 22:05:44 +02:00
parent 0460b2e9f7
commit 176483d72f
59 changed files with 11 additions and 45 deletions

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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <netdb.h>
#include <sys/socket.h>
#include <logger.h>
#include <helpers.h>
int
helper_connect_tcp_server(char* host, uint16_t port)
{
char port_str[6];
sprintf(port_str, "%d", port);
int s, status;
struct addrinfo hints, *res;
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_INET; //set IP Protocol flag (IPv4 or IPv6 - we don't care)
hints.ai_socktype = SOCK_STREAM; //set socket flag
if ((status = getaddrinfo(host, port_str, &hints, &res)) != 0) { //getaddrinfo() will evaluate the given address, using the hints-flags and port, and return an IP address and other server infos
LOG_ERROR("getaddrinfo: %s\n", gai_strerror(status));
return -1;
}
//res got filled out by getaddrinfo() for us
s = socket(res->ai_family, res->ai_socktype, res->ai_protocol); //creating Socket
if ((status = connect(s, res->ai_addr, res->ai_addrlen)) != 0) {
LOG_ERROR("connect() failed\n");
freeaddrinfo(res);
return -1;
}
freeaddrinfo(res);
return s;
}

11
src/helpers/get_weekday.c Normal file
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#include <time.h>
#include <helpers.h>
int
helper_get_weekday(const struct tm *time_struct)
{
int wday_sun_sat = time_struct->tm_wday;
int wday_mon_sun = (wday_sun_sat + 6) % 7;
return wday_mon_sun;
}

54
src/helpers/parse_cli.c Normal file
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#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <argparse.h>
#include <config.h>
#include <logger.h>
#include <helpers.h>
static const char *const usage[] = {
"core [options] [[--] args]",
"core [options]",
NULL,
};
void
helper_parse_cli(int argc, const char **argv, config_t *config)
{
struct argparse_option options[] =
{
OPT_HELP(),
OPT_GROUP("Basic options"),
OPT_STRING('c', "config", &config->file, "path to config file", NULL, 0, OPT_NONEG),
OPT_END(),
};
struct argparse argparse;
argparse_init(&argparse, options, usage, 0);
argparse_describe(
&argparse,
"\nA brief description of what the program does and how it works.",
"\nAdditional description of the program after the description of the arguments."
);
argc = argparse_parse(&argparse, argc, argv);
if(argc == 1)
{
config->run_type = RUN_TYPE_INVALID;
if(strcmp(argv[0], "start") == 0)
{
config->run_type = RUN_TYPE_START;
return;
}
LOG_FATAL("bad action '%s' given ('start')\n", argv[0]);
exit(1);
}
else
{
LOG_FATAL("no action given ('start')\n");
exit(1);
}
return;
}