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feat(nx-rt-core): answer where the console can be reached - #170
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A program that tells a host how to reach it has to know its own address, and the network-interface service is what answers. Asking needs the service-manager session a process gets exactly one of, which is why the symbol sits at the runtime rather than beside the socket driver. - `gethostid` opens a `nifm:u` session, asks for the current address, and closes it again: the answer changes whenever the console joins or leaves a network, so there is nothing worth keeping between calls - Which command opens the general-service sub-interface follows the running firmware, renumbered in HOS 3.0.0, and the firmware version is held here - Every failure answers with the loopback address rather than reporting, because the C signature has no way to say "no answer" and a caller asking where it can be reached is better served by the address that always works - It sits with the other network-interface work under `use_nx_sys_net` rather than with the resolver overrides it neighbours upstream: it asks `nifm`, not `sfdnsres`, and that option already carries the dependency - `gethostname` is left to libnx, whose body calls `gethostid` and so reaches this through the alias Signed-off-by: Lorenzo Delgado <lnsdev@proton.me>
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A program that tells a host how to reach it has to know its own address, and the network-interface service is what answers. Asking needs the service-manager session a process gets exactly one of, which is why the symbol sits at the runtime rather than beside the socket driver.
gethostidopens anifm:usession, asks for the current address, and closes it again: the answer changes whenever the console joins or leaves a network, so there is nothing worth keeping between callsuse_nx_sys_netrather than with the resolver overrides it neighbours upstream: it asksnifm, notsfdnsres, and that option already carries the dependencygethostnameis left to libnx, whose body callsgethostidand so reaches this through the alias