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AnyPS5 resolves a title's imports by NID, so a title that imports a system function that no AnyPS5 library provides fails to load with an unresolved import. This declares 222 such exports across 11 PS5 system libraries that AnyPS5 implements but does not provide. Each declaration calls NotImplemented_nid_no_patch and returns 0; none of them implements the function. A declaration with a credible prototype uses it and cites the source with a pinned commit; the rest are declared without parameters, which resolves the import without making an ABI claim. The technical-debt files record the limitation per library. The list is the intersection of the export table of the console's library (function symbols only), the pinned aerolib names and the functions not yet defined anywhere in the repo. Every name recomputes to its NID with tools/nid_names.py. libSceAudio3d and libSceVoice are left out because #8331 declares them.
21 lines
5.8 KiB
Markdown
21 lines
5.8 KiB
Markdown
# libSceHttp2 technical debt
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### Silent stubs
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- [libSceHttp2](../../../core/libs/prx/libSceHttp2/Export.cpp) - no request reaches the network, so `sceHttp2SetMinSslVersion` has no TLS connection to restrict and its value is ignored, as for `sceHttp2SslEnableOption` and `sceHttp2SslDisableOption`. The three setters validate `id` against the live handle registry and return `SCE_HTTP2_ERROR_INVALID_ID` (`0x817B1100`) for a handle that was never allocated, was deleted, or belonged to a terminated context, following [prosper](https://github.com/mattias800/prosper). Whether the console restricts the object kind these setters accept, and what it does with an id from a previous init/term cycle, is unverified, so any live handle kind is accepted and ids are never reused. `sceHttp2Term`, `sceHttp2DeleteTemplate`, `sceHttp2DeleteRequest`, `sceHttp2CreateTemplate`, `sceHttp2CreateRequestWithURL`, `sceHttp2CreateCookieBox` and `sceHttp2SendRequestAsync` also return the invalid-id error for a handle of the wrong kind or no longer live, following prosper (not measured on a console)
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### Unknown function info
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- [sceHttp2WebSocketSetPingInterval](../../../core/libs/prx/libSceHttp2/Export.cpp) (libSceHttp2, NID `YfaXPnc8PJE`) - imported by `libdiscord_partner_sdk.prx` of PPSA23126 (issue 2648). The parameters, the unit of the interval and the console errors are unknown. Every call throws.
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- [sceHttp2WebSocketSetPingTimeout](../../../core/libs/prx/libSceHttp2/Export.cpp) (libSceHttp2, NID `-MU9L6S3Fj4`) - imported by Onimusha: Way of the Sword (PPSA27836 01.000.001), whose loader stopped on the missing export; not called during its start-up. The parameters and the console errors are unknown. Every call throws.
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- [sceHttp2DeleteCookieBox](../../../core/libs/prx/libSceHttp2/Export.cpp) (libSceHttp2) - imported by PPSA35943's Unity player. The `(int cookieBoxId)` signature follows [SharpProspero](https://github.com/SvenGDK/SharpProspero/blob/5dfdb4b0b166e83dc9ae275001afb695f12c7174/src/SharpProspero/Interop/Net/Http2.cs#L215-L217). A box `sceHttp2CreateCookieBox` returned is discarded; an unknown or already deleted id returns the library's invalid-id error (0x817B1100), as [prosper](https://github.com/mattias800/prosper/blob/b1bec57186a0/prosper/src/hle/net/hle_http2.cpp#L512-L523) does; not measured on a console
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- [sceHttp2SetResolveRetry](../../../core/libs/prx/libSceHttp2/Export.cpp) (libSceHttp2) - signature `(int id, int32_t retry)` from libSceHttp's `sceHttpSetResolveRetry`; the value is accepted and ignored like the other Http2 settings, since no request reaches the network
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- [sceHttp2WebSocketCreateRequest, sceHttp2WebSocketCloseAsync, sceHttp2WebSocketSendTextMessageAsync, sceHttp2WebSocketSendDataMessageAsync](../../../core/libs/prx/libSceHttp2/Export.cpp) (libSceHttp2) - imported by PPSA16064 and not called during its start-up; unknown signatures
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- [libSceHttp2 cookie boxes](../../../core/libs/prx/libSceHttp2/Export.cpp) (libSceHttp2) - `sceHttp2CreateCookieBox` is taken to take the library context id first, as in the [prosper](https://github.com/mattias800/prosper) reimplementation; further arguments are unknown and ignored. `sceHttp2SetRequestNoContentLength` is assumed to take only the request id. Cookies are never stored, so `sceHttp2CookieFlush` has nothing to discard
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- [sceHttp2AddCookie, sceHttp2AuthCacheFlush, sceHttp2CookieExport, sceHttp2CookieImport, sceHttp2GetCookie, sceHttp2GetCookieStats, sceHttp2RedirectCacheFlush, sceHttp2RemoveRequestHeader, sceHttp2SetAuthInfoCallback, sceHttp2SetCookieMaxNum, sceHttp2SetCookieMaxNumPerDomain, sceHttp2SetCookieMaxSize, sceHttp2SetCookieRecvCallback, sceHttp2SetCookieSendCallback](../../../core/libs/prx/libSceHttp2/Export.cpp) (libSceHttp2) - signatures follow [SharpProspero's HTTP2 bindings](https://github.com/SvenGDK/SharpProspero/blob/5dfdb4b0b166e83dc9ae275001afb695f12c7174/src/SharpProspero/Interop/Net/Http2.cs#L173-L317), but are not measured on a console; each call throws
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- [sceHttp2GetAuthEnabled, sceHttp2GetAutoRedirect, sceHttp2GetCookieBox, sceHttp2SetPreSendCallback](../../../core/libs/prx/libSceHttp2/Export.cpp) (libSceHttp2) - names and NIDs are present in the [PS5 3.20 export inventory](https://github.com/DNNDHH/PS5-3.20_Libs/blob/b2a77c09cd71c01f34c790cfbe98c751a13262ad/libSceHttp2.c) and the [verified NID name database](https://github.com/zecoxao/sce_symbols/blob/2883963a0a514ba6e77407a08ef4730a65e88254/aerolib.csv), but no credible prototypes were found. They are declared without parameters solely to resolve known imports; this is not an ABI claim and callers must not call them until signatures are verified.
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### Functional
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- [libSceHttp2 asynchronous requests](../../../core/libs/prx/libSceHttp2/Export.cpp) (libSceHttp2) never reach the network: `sceHttp2SendRequestAsync` accepts the request, queues a completion whose result is the library's network error and triggers the user event named by the kqueue option (equeue at offset 0, event id at 8, user data at 16, layout inferred from PPSA17221); `sceHttp2WaitAsync` returns that completion. The completion's `event_type` value is unknown and left 0. PPSA17221 completes its request object only after `sceHttp2SendRequestAsync` returns, and its handler for a synchronous failure calls `shared_from_this` before that, so a send must not fail synchronously. PPSA15508 passes null kqueue and extra options at original VA 0xb63931, then calls `sceHttp2WaitAsync` with a 24-byte result and a 2,000,000 timeout, and checks the result at offset 8. A null kqueue option therefore retains the same offline completion for direct waiting without an event notification. The timeout is not used because the offline result is already complete. This path follows the original title call and caller control flow, not a console measurement. A supplied kqueue with a missing user event, an extra option, and a wait with no completed operation still throw
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