patty/examples/server.c
2024-03-01 00:20:46 -05:00

130 lines
3.1 KiB
C

#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <termios.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <patty/ax25.h>
static void usage(int argc, char **argv, const char *message, ...) {
if (message != NULL) {
va_list args;
va_start(args, message);
vfprintf(stderr, message, args);
fprintf(stderr, "\n");
va_end(args);
}
fprintf(stderr, "usage: %s /dev/ttyXX|kiss.cap [path.sock]\n", argv[0]);
exit(1);
}
int main(int argc, char **argv) {
patty_ax25_server *server;
patty_ax25_if *iface;
patty_ax25_route *route;
patty_ax25_if_kiss_tnc_info info = {
.type = PATTY_AX25_IF_KISS_TNC_INFO_FD
};
if (argc < 2) {
usage(argc, argv, "No TNC device or KISS dump file provided");
} else if (argc > 3) {
usage(argc, argv, "Too many arguments provided");
}
if ((info.fd = open(argv[1], O_RDWR)) < 0) {
fprintf(stderr, "%s: %s: %s: %s\n",
argv[0], "open()", argv[1], strerror(errno));
goto error_open;
}
if (isatty(info.fd) && grantpt(info.fd) == 0 && unlockpt(info.fd) == 0) {
char name[256];
struct termios t;
if (ptsname_r(info.fd, name, sizeof(name)) < 0) {
fprintf(stderr, "%s: %s: %s: %s\n",
argv[0], argv[1], "ptsname_r()", strerror(errno));
goto error_open;
}
if (tcgetattr(info.fd, &t) < 0) {
fprintf(stderr, "%s: %s: %s: %s\n",
argv[0], argv[1], "tcgetattr()", strerror(errno));
goto error_open;
}
cfmakeraw(&t);
if (tcsetattr(info.fd, TCSANOW, &t) < 0) {
fprintf(stderr, "%s: %s: %s: %s\n",
argv[0], argv[1], "tcsetattr()", strerror(errno));
goto error_open;
}
fprintf(stderr, "pts %s\n", name);
}
errno = 0;
patty_ax25_pton("KZ3ROX", 0, &info.addr);
if ((server = patty_ax25_server_new(argc == 3? argv[2]: PATTY_AX25_SERVER_PATH)) == NULL) {
goto error_server_new;
}
if ((iface = patty_ax25_if_new(PATTY_AX25_IF_KISS_TNC,
(patty_ax25_if_info *)&info)) == NULL) {
goto error_if_new;
}
if (patty_ax25_server_add_if(server, iface) < 0) {
goto error_server_add_if;
}
if ((route = patty_ax25_route_new_default(iface)) == NULL) {
goto error_route_new_default;
}
if (patty_ax25_server_add_route(server, route) < 0) {
goto error_server_add_route;
}
if (patty_ax25_server_run(server) < 0) {
fprintf(stderr, "%s: %s: %s: %s\n",
argv[0], argv[1], "patty_ax25_server_run()", strerror(errno));
goto error_server_run;
}
patty_ax25_server_destroy(server);
return 0;
error_server_run:
error_server_add_route:
error_route_new_default:
error_server_add_if:
error_if_new:
patty_ax25_server_destroy(server);
error_server_new:
close(info.fd);
error_open:
return 1;
}