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engine: add engine_peer_list for per-peer status

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Enumerates a torrent's connected peers (ip/port/state/rate/bytes/have)
for the UI's peer list — the per-peer detail lost in the engine swap.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
ookami125 2026-06-22 00:35:23 -04:00
parent d8208685a2
commit f85278fcf2
2 changed files with 47 additions and 0 deletions
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18
include/engine.h
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@ -139,6 +139,24 @@ uint32_t engine_loop_count(engine *e);
void engine_torrent_status(engine *e, uint32_t torrent_id, torrent_status *out);
/* One connected peer's live state, for the UI's per-peer list. */
typedef struct {
char ip[64];
uint16_t port;
int32_t state; /* peer_state */
int32_t unchoked; /* peer has unchoked us */
uint64_t bytes_received; /* total payload bytes from this peer */
double rate_bps; /* current download rate from this peer */
uint32_t have_pieces; /* pieces this peer advertises */
uint32_t num_pieces; /* torrent piece count (for progress ratio) */
} engine_peer_info;
/* Fill `out` with up to `max` connected peers (handshake completed) of a
* torrent; returns the number written. Best-effort snapshot read on the caller
* thread (like engine_torrent_status), so fine for status, not control. */
uint32_t engine_peer_list(engine *e, uint32_t torrent_id, engine_peer_info *out,
uint32_t max);
/* Diagnostic: write a human-readable dump of one torrent's piece-selection and
* per-connection state to `out`. Reports, for every still-wanted piece
* (priority > 0), whether a peer has claimed it (requested), how many connected