feat: add per-connection attachment storage to HttpConnectionInternal#6235
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Harshal96 wants to merge 3 commits into
Open
feat: add per-connection attachment storage to HttpConnectionInternal#6235Harshal96 wants to merge 3 commits into
Harshal96 wants to merge 3 commits into
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@vietj something like this? |
vietj
reviewed
Jul 9, 2026
| * @param key the attachment key | ||
| * @return the attachment value, or {@code null} if absent | ||
| */ | ||
| <T> T get(Object key); |
vietj
reviewed
Jul 9, 2026
| * @param key the attachment key | ||
| * @param value the attachment value | ||
| */ | ||
| void set(Object key, Object value); |
vietj
requested changes
Jul 9, 2026
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Motivation:
vert-x3/vertx-web#2910 needs per-connection state (announced Alt-Svc origins) scoped to the connection's lifecycle. The current workaround in vertx-web is a
WeakHashMap<HttpConnection, T>, which can't reliably clean up stale connections (see discussion in that PR).Changes
New
HttpConnectionInternalinterface inio.vertx.core.internal.http, following the existingHttpServerRequestInternal/HttpClientRequestInternalpattern:Backed by a lazily-created map stored directly on the connection object (not an external map keyed by connection), so entries are naturally scoped to the connection's own lifecycle — no leak risk, no weak references needed.
Wired into all four connection implementations:
ConnectionBase (shared by Http1Connection, Http2ConnectionImpl, Http2MultiplexConnection), cleared in handleClosed(). Http3Connection, which doesn't extend ConnectionBase, gets its own field and clears it in its own handleClosed().
Fixes #6234