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https://github.com/bytecodealliance/wasm-micro-runtime.git
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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 */ |