sam_oneal/fx_cast
1
0
Fork 0
mirror of https://github.com/hensm/fx_cast.git synced 2026-06-11 10:09:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

wip: Replace unmaintained mdns module with a custom native module

Browse Source
This commit is contained in:
hensm
2026-03-01 19:08:29 +00:00
committed by Matt Hensman
parent 5a18907dba
commit 47cc57445e
22 changed files with 1231 additions and 192 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
bridge/src/dns_sd/native/utils.h Normal file
View File

@@ -0,0 +1,55 @@
#ifndef DNS_SD_UTILS_H_
#define DNS_SD_UTILS_H_
#include <cstdio>
#include <string>
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <arpa/inet.h>
#include <netdb.h>
#include <netinet/in.h>
#endif
/** Defer-cleanup util class. */
template <typename F> struct [[nodiscard]] ScopeGuard {
F fn;
~ScopeGuard() { fn(); }
};
#ifdef DNS_SD_DEBUG
#define DEBUG_LOG(fmt, ...) std::fprintf(stderr, "[dns_sd] " fmt "\n", ##__VA_ARGS__)
#else
#define DEBUG_LOG(fmt, ...) ((void)0)
#endif
#define ERROR_LOG(fmt, ...) std::fprintf(stderr, "[dns_sd] " fmt "\n", ##__VA_ARGS__)
/** Resolves a hostname to IPv4/v6 address strings via getaddrinfo. */
inline void resolve_addresses(
const std::string& hostname, std::string& out_ipv4, std::string& out_ipv6)
{
addrinfo hints { .ai_family = AF_UNSPEC, .ai_socktype = SOCK_STREAM };
addrinfo* result = nullptr;
if (getaddrinfo(hostname.c_str(), nullptr, &hints, &result) != 0)
return;
for (addrinfo* p = result; p; p = p->ai_next) {
if (p->ai_family == AF_INET && out_ipv4.empty()) {
char buf[INET_ADDRSTRLEN];
auto* addr = reinterpret_cast<sockaddr_in*>(p->ai_addr);
if (inet_ntop(AF_INET, &addr->sin_addr, buf, sizeof(buf)))
out_ipv4 = buf;
} else if (p->ai_family == AF_INET6 && out_ipv6.empty()) {
char buf[INET6_ADDRSTRLEN];
auto* addr = reinterpret_cast<sockaddr_in6*>(p->ai_addr);
if (inet_ntop(AF_INET6, &addr->sin6_addr, buf, sizeof(buf)))
out_ipv6 = buf;
}
}
freeaddrinfo(result);
}
#endif // DNS_SD_UTILS_H_