fix(hostname): fix handling of non-ASCII hostnames on Windows (#3382)

src/platform/windows/misc.cpp

@@ -1846,6 +1846,16 @@ namespace platf {
     return output;
   }
 
+  std::string
+  get_host_name() {
+    WCHAR hostname[256];
+    if (GetHostNameW(hostname, ARRAYSIZE(hostname)) == SOCKET_ERROR) {
+      BOOST_LOG(error) << "GetHostNameW() failed: "sv << WSAGetLastError();
+      return "Sunshine"s;
+    }
+    return to_utf8(hostname);
+  }
+
   class win32_high_precision_timer: public high_precision_timer {
   public:
     win32_high_precision_timer() {

src/platform/windows/publish.cpp

@@ -9,8 +9,6 @@
 #include <windns.h>
 #include <winerror.h>
 
-#include <boost/asio/ip/host_name.hpp>
-
 #include "misc.h"
 #include "src/config.h"
 #include "src/logging.h"
@@ -108,7 +106,7 @@ namespace platf::publish {
 
     std::wstring domain { SERVICE_TYPE_DOMAIN.data(), SERVICE_TYPE_DOMAIN.size() };
 
-    auto hostname = boost::asio::ip::host_name();
+    auto hostname = platf::get_host_name();
     auto name = from_utf8(net::mdns_instance_name(hostname) + '.') + domain;
     auto host = from_utf8(hostname + ".local");