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

[cgutman]

Description

boost::asio::ip::host_name() uses gethostname() under the hood on Windows, which returns characters in the OEM codepage (though Boost does not document this anywhere). This isn't what Sunshine is expecting, so it misinterprets the output as UTF-8 and writes potentially invalid characters into the /serverinfo response.

Other platforms use UTF-8 as their 8-bit string representation, so they should be fine to still call boost::asio::ip::host_name().

Screenshot

Issues Fixed or Closed

Fixes #3381

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Dependency update (updates to dependencies)
• Documentation update (changes to documentation)
• Repository update (changes to repository files, e.g. .github/...)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 12 lines in your changes missing coverage. Please review.

Project coverage is 10.90%. Comparing base (d552073) to head (c44ca2d).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/platform/linux/misc.cpp	50.00%	3 Missing ⚠️
src/platform/macos/misc.mm	40.00%	2 Missing and 1 partial ⚠️
src/platform/windows/misc.cpp	50.00%	2 Missing and 1 partial ⚠️
src/config.cpp	0.00%	0 Missing and 1 partial ⚠️
src/platform/linux/publish.cpp	0.00%	1 Missing ⚠️
src/platform/windows/publish.cpp	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3382      +/-   ##
==========================================
- Coverage   11.05%   10.90%   -0.16%     
==========================================
  Files          99       99              
  Lines       17237    17247      +10     
  Branches     8036     8044       +8     
==========================================
- Hits         1905     1880      -25     
- Misses      12643    12809     +166     
+ Partials     2689     2558     -131     

Flag	Coverage Δ
Linux	8.37% <42.85%> (+0.02%)	⬆️
Windows	5.31% <42.85%> (+0.08%)	⬆️
macOS-13	13.63% <33.33%> (+0.03%)	⬆️
macOS-14	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/platform/common.h	32.25% <ø> (-1.79%)	⬇️
src/config.cpp	6.00% <0.00%> (ø)
src/platform/linux/publish.cpp	0.00% <0.00%> (ø)
src/platform/windows/publish.cpp	0.00% <0.00%> (ø)
src/platform/linux/misc.cpp	9.77% <50.00%> (+0.54%)	⬆️
src/platform/macos/misc.mm	9.39% <40.00%> (+0.65%)	⬆️
src/platform/windows/misc.cpp	3.73% <50.00%> (+1.11%)	⬆️

... and 25 files with indirect coverage changes

[cgutman]

Tested locally with hostname containing ü and confirmed that mDNS worked and the PC, iOS, and Android Moonlight clients displayed the names properly.

[sonarqubecloud]

Quality Gate failed

Failed conditions
1 New issue
1 New Code Smells (required ≤ 0)

See analysis details on SonarCloud

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