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Per @SoftFever review on #13752, third-party vendored libraries belong in deps_src/ alongside expat, imgui, hidapi, etc. - All 5 files (mdns.{h,c}, cxmdns.{h,cpp}, NOTICE.md) move from src/slic3r/Utils/mdns/ to deps_src/mdns/. - deps_src/mdns/CMakeLists.txt builds mdns as a STATIC library and scopes the MSVC Iphlpapi/Ws2_32 link requirement to that target instead of libslic3r_gui's global MSVC block. - deps_src/CMakeLists.txt gains add_subdirectory(mdns). - src/slic3r/CMakeLists.txt drops the inline source listings and links libslic3r_gui against the new mdns target; MSVC block keeps only Setupapi.lib. - src/slic3r/Utils/CrealityHostDiscovery.cpp #include updated to use the include dir exposed by the new mdns target. Verified by a clean Linux build (orca-slicer links successfully).
40 lines
1.4 KiB
Markdown
40 lines
1.4 KiB
Markdown
# mDNS / DNS-SD library
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The four files in this directory implement mDNS / DNS-SD lookup and are
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vendored from third-party sources:
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## mdns.h, mdns.c
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mDNS / DNS-SD lookup library by Mattias Jansson. Originally released to
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the public domain at https://github.com/mjansson/mdns.
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The exact files here were taken from CrealityOfficial/CrealityPrint
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v7.1.1, which split the upstream header-only library into separate
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declaration (mdns.h) and implementation (mdns.c) files.
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- Source: https://github.com/mjansson/mdns
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- License: Public domain (no restrictions on use)
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## cxmdns.h, cxmdns.cpp
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Thin C++ wrapper over mdns.{h,c} that exposes a single function:
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std::vector<machine_info> syncDiscoveryService(
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const std::vector<std::string>& prefix);
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It sends a DNS-SD meta-discovery query (`_services._dns-sd._udp.local.`),
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listens for ~5 seconds, and returns `{ip, service_name}` for every
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service announcement whose name contains any of the given prefixes.
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OrcaSlicer uses this to find Creality K-series printers on the LAN
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(service-name prefix "Creality"), since K-series firmware announces
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each printer under a per-device-unique service type
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`_Creality-<MAC-derived-hex>._udp.local.` that no fixed-name query can
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target.
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- Source: CrealityOfficial/CrealityPrint v7.1.1
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`src/slic3r/GUI/print_manage/utils/cxmdns.{h,cpp}`
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- License: GNU AGPL-3.0 (compatible with OrcaSlicer's AGPL-3.0; see
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top-level LICENSE.txt)
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- Imported: 2026-05-19
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