Make STATUS_HTTP work on crossplay servers via PlayFab lobby query - #786
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Make STATUS_HTTP work on crossplay servers via PlayFab lobby query#786GoodOlClint wants to merge 1 commit into
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With crossplay enabled the server never answers A2S queries, so valheim-status reported a timeout or 0 players. Query the PlayFab lobby the server registers instead, identified by a pinned entity id, the join code captured from the server log, or the server name as last resort. Fixes community-valheim-tools#663, fixes community-valheim-tools#766 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Fixes #663, fixes #766.
Problem
With
CROSSPLAY=true(orSERVER_ARGS=-crossplay) the server never answers A2S queries, sovalheim-statusreportstimeout('timed out')or 0 players, and/status.jsonis useless.Change
When crossplay is enabled (or
--playfabis passed),valheim-statusqueries the PlayFab lobby the server registers for the in-game browser / join-code flow instead of A2S. Works for public and private (SERVER_PUBLIC=false) crossplay servers. Steam-only servers are unaffected.valheim-status: anonymousLoginWithCustomID→Lobby/FindLobbies, stdliburllibonly, no new deps.PLAYFAB_ENTITY_IDenv → entity id pinned from first successful lookup (/var/run/valheim/playfab-entity-id.txt) →PLAYFAB_JOIN_CODEenv → join code captured from log →SERVER_NAME(last resort, not unique).defaults: whenCROSSPLAY=true, auto-registers aVALHEIM_LOG_FILTER_CONTAINS_PlayFabJoinCodefilter that writes the join code to/var/run/valheim/valheim-joincode.txt. User-defined filter of the same name wins.status.jsonexample.status.json on crossplay
player_count,max_players,join_code,public_ip,game_version,lobby_created. Player names aren't in the lobby, soplayersis[].Notes
CustomIdlogin creates one throwaway anonymous player account per title; entity token is cached ~20h.string_key9created-ticks) is used.server_is_idleincommonstill uses the nstat datagram heuristic for crossplay (BACKUPS_IF_IDLE=false prevents automated backups: player check fails completely (both with and without crossplay) #773).valheim-status --playfabnow returns a real player count on crossplay, so that heuristic can be replaced in a follow-up.🤖 Generated with Claude Code