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net: Support local ipv6 formatting.

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Let's hope no platform has issues with inet_ntop...
This commit is contained in:
Unknown W. Brackets 2018-04-30 17:09:36 -07:00
parent ca4340b9e0
commit 30a07c2e8d
1 changed files with 13 additions and 2 deletions
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15
ext/native/file/fd_util.cpp
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@ -133,11 +133,22 @@ void SetNonBlocking(int sock, bool non_blocking) {
}
std::string GetLocalIP(int sock) {
struct sockaddr_in server_addr;
union {
struct sockaddr sa;
struct sockaddr_in ipv4;
struct sockaddr_in6 ipv6;
} server_addr;
memset(&server_addr, 0, sizeof(server_addr));
socklen_t len = sizeof(server_addr);
if (getsockname(sock, (struct sockaddr *)&server_addr, &len) == 0) {
char *result = inet_ntoa(*(in_addr *)&server_addr.sin_addr);
char temp[64];
void *addr;
if (server_addr.sa.sa_family == AF_INET6) {
addr = &server_addr.ipv6.sin6_addr;
} else {
addr = &server_addr.ipv4.sin_addr;
}
const char *result = inet_ntop(server_addr.sa.sa_family, addr, temp, sizeof(temp));
if (result) {
return result;
}