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tbench2 env server: enable idle-session reaper to reclaim leaked slots #1000

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tbench2 env server: enable idle-session reaper to reclaim leaked slots #1000

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11 changes: 10 additions & 1 deletion envs/tbench2_env/server/app.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,12 +30,16 @@
Environment Variables:
TB2_MODE: Execution mode - "local" (default), "docker", or "auto"
MAX_CONCURRENT_ENVS: Maximum concurrent WebSocket sessions (default: 8)
SESSION_IDLE_TIMEOUT_S: Idle seconds before a session is reaped and its
container reclaimed (default: 3600). Guards against leaked slots from
half-open WebSocket connections that never fire a clean disconnect.
"""

import os


try:
from openenv.core.env_server import ConcurrencyConfig
from openenv.core.env_server.http_server import create_app

# In-repo imports
Expand All @@ -46,6 +50,7 @@
from models import Tbench2Action, Tbench2Observation

# Standalone imports (when environment is standalone with openenv from pip)
from openenv.core.env_server import ConcurrencyConfig
from openenv.core.env_server.http_server import create_app
from server.tbench2_env_environment import (
Tbench2DockerEnvironment,
Expand All @@ -72,13 +77,17 @@

# Create the app with web interface and README integration
max_concurrent = int(os.getenv("MAX_CONCURRENT_ENVS", "8"))
session_idle_timeout = float(os.getenv("SESSION_IDLE_TIMEOUT_S", "3600"))

app = create_app(
_DEFAULT_ENVIRONMENT,
Tbench2Action,
Tbench2Observation,
env_name="tbench2_env" + _ENV_SUFFIX,
max_concurrent_envs=max_concurrent,
concurrency_config=ConcurrencyConfig(
max_concurrent_envs=max_concurrent,
session_timeout=session_idle_timeout,
),
)


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