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/* SPDX-License-Identifier: MIT */
#include <fcntl.h>
#include <stdint.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <unistd.h>
#include <stdarg.h>
#include "helpers.h"
#ifndef CONFIG_HAVE_MEMFD_CREATE
#include <sys/syscall.h>
int memfd_create(const char *name, unsigned int flags)
{
return (int)syscall(SYS_memfd_create, name, flags);
}
#endif
int setup_listening_socket(int port, int ipv6)
{
struct sockaddr_in srv_addr = { };
struct sockaddr_in6 srv_addr6 = { };
int fd, enable, ret, domain;
if (ipv6)
domain = AF_INET6;
else
domain = AF_INET;
fd = socket(domain, SOCK_STREAM, 0);
if (fd == -1) {
perror("socket()");
return -1;
}
enable = 1;
ret = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int));
if (ret < 0) {
perror("setsockopt(SO_REUSEADDR)");
return -1;
}
if (ipv6) {
srv_addr6.sin6_family = AF_INET6;
srv_addr6.sin6_port = htons(port);
srv_addr6.sin6_addr = in6addr_any;
ret = bind(fd, (const struct sockaddr *)&srv_addr6, sizeof(srv_addr6));
} else {
srv_addr.sin_family = AF_INET;
srv_addr.sin_port = htons(port);
srv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
ret = bind(fd, (const struct sockaddr *)&srv_addr, sizeof(srv_addr));
}
if (ret < 0) {
perror("bind()");
return -1;
}
if (listen(fd, 1024) < 0) {
perror("listen()");
return -1;
}
return fd;
}
void *t_aligned_alloc(size_t alignment, size_t size)
{
void *ret;
if (posix_memalign(&ret, alignment, size))
return NULL;
return ret;
}
void t_error(int status, int errnum, const char *format, ...)
{
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
if (errnum)
fprintf(stderr, ": %s", strerror(errnum));
fprintf(stderr, "\n");
va_end(args);
exit(status);
}
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