78b5c5b484
Implement more socket APIs, refer to #1336 and below PRs: - Implement wasi_addr_resolve function (#1319) - Fix socket-api byte order issue when host/network order are the same (#1327) - Enhance sock_addr_local syscall (#1320) - Implement sock_addr_remote syscall (#1360) - Add support for IPv6 in WAMR (#1411) - Implement ns lookup allowlist (#1420) - Implement sock_send_to and sock_recv_from system calls (#1457) - Added http downloader and multicast socket options (#1467) - Fix `bind()` calls to receive the correct size of `sockaddr` structure (#1490) - Assert on correct parameters (#1505) - Copy only received bytes from socket recv buffer into the app buffer (#1497) Co-authored-by: Marcin Kolny <mkolny@amazon.com> Co-authored-by: Marcin Kolny <marcin.kolny@gmail.com> Co-authored-by: Callum Macmillan <callumimacmillan@gmail.com>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* Copyright (C) 2022 Amazon.com Inc. or its affiliates. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*/
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#ifndef TCP_UTILS_H
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#define TCP_UTILS_H
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <stdio.h>
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int
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sockaddr_to_string(struct sockaddr *addr, char *str, size_t len)
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{
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uint16_t port;
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char ip_string[64];
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void *addr_buf;
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int ret;
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switch (addr->sa_family) {
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case AF_INET:
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{
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struct sockaddr_in *addr_in = (struct sockaddr_in *)addr;
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port = addr_in->sin_port;
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addr_buf = &addr_in->sin_addr;
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break;
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}
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case AF_INET6:
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{
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struct sockaddr_in6 *addr_in6 = (struct sockaddr_in6 *)addr;
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port = addr_in6->sin6_port;
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addr_buf = &addr_in6->sin6_addr;
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break;
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}
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default:
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return -1;
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}
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inet_ntop(addr->sa_family, addr_buf, ip_string,
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sizeof(ip_string) / sizeof(ip_string[0]));
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ret = snprintf(str, len, "%s:%d", ip_string, ntohs(port));
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return ret > 0 && (size_t)ret < len ? 0 : -1;
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}
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#endif /* TCP_UTILS_H */ |