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/*
* Copyright (C) 2022 Amazon.com Inc. or its affiliates. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#ifndef TCP_UTILS_H
#define TCP_UTILS_H
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdio.h>
int
sockaddr_to_string(struct sockaddr *addr, char *str, size_t len)
{
uint16_t port;
char ip_string[64];
void *addr_buf;
int ret;
switch (addr->sa_family) {
case AF_INET:
{
struct sockaddr_in *addr_in = (struct sockaddr_in *)addr;
port = addr_in->sin_port;
addr_buf = &addr_in->sin_addr;
break;
}
case AF_INET6:
{
struct sockaddr_in6 *addr_in6 = (struct sockaddr_in6 *)addr;
port = addr_in6->sin6_port;
addr_buf = &addr_in6->sin6_addr;
break;
}
default:
return -1;
}
inet_ntop(addr->sa_family, addr_buf, ip_string,
sizeof(ip_string) / sizeof(ip_string[0]));
ret = snprintf(str, len, "%s:%d", ip_string, ntohs(port));
return ret > 0 && (size_t)ret < len ? 0 : -1;
}
#endif /* TCP_UTILS_H */
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