From d9e0b6870201d9200b3c225903b43b850475600b Mon Sep 17 00:00:00 2001 From: eunhhu Date: Wed, 30 Sep 2026 03:32:07 +0100 Subject: Hold a window of each output's sends in its transport, not the outbox A link's ring and a wire's queue took every saved send of their output and kept it until delivered: with the receiver down they held the outbox a second time, 178 B and 313 B more a send (104). Each outlet now holds a window, --window bytes (4 MiB) and 65,536 sends past what its receiver has, at least one; the outbox keeps the rest. The owner remembers each outlet's place in the outbox and looks on from there after a save and after its transports deliver. Places move back by the sends that left the outbox since (PureApp.sends_gone), so a trim before a place skips nothing, and sends queued before are not looked at again however many wait. pure_app_sent reads a send by its place (the newest-first visit it replaces is gone); pure_link_held and pure_wire_held say what a transport holds. With the receiver down a node now grows by the outbox alone once the window is full: 219 and 218 B a send over the link and HTTP (399 and 534 B before). check.py server_windows keeps the receivers of a sender's two outputs, one linked and one over HTTP, down through 300 buys with a 2,000-byte window, then starts them: each applies all 300 once. Without the refill after deliveries the link stops at 117. --- core/module.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'core/module.h') diff --git a/core/module.h b/core/module.h index 69acd67..7034b0e 100644 --- a/core/module.h +++ b/core/module.h @@ -340,6 +340,7 @@ typedef struct { * outputs a module dropped. */ PureList *outbox; size_t sent_saved, durable_sent_saved, durable_outbox; + uint64_t sends_gone; /* how many ever left it: a host's places in it move back at most that many */ uint64_t last_sent[PURE_MODULE_INPUTS], saved_sent[PURE_MODULE_INPUTS]; struct PureCarried { char name[PURE_MODULE_NAME]; uint64_t last; } *carried; unsigned carried_count; @@ -438,8 +439,9 @@ PureResult pure_app_replace(PureApp *, const PureModule *); * and trims what its receiver has saved; a receiver applies each once. */ typedef bool (*PureSentVisit)(void *context, uint32_t output, uint64_t seq, PureSpan payload); void pure_app_outbox(const PureApp *, PureSentVisit visit, void *context); -/* The same, newest first (a host looking only for what is new stops early). */ -void pure_app_outbox_newest(const PureApp *, PureSentVisit visit, void *context); +/* The saved send at a place in the outbox (0 the oldest, below sent_saved); + * false when its output is not the module's. */ +bool pure_app_sent(const PureApp *, size_t at, uint32_t *output, uint64_t *seq, PureSpan *payload); /* Forget output's saved sends numbered up to through (saved with the next save). */ void pure_app_trim(PureApp *, uint32_t output, uint64_t through); /* Deliver a message event from source (a sender's name, 1 to 64 printable -- cgit v1.2.3