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refactor: route all mcp operations through runtime pool

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lda
2026-06-08 18:29:22 +07:00 Verified
parent 929103219e
commit 0a8cc4190f
14 changed files with 961 additions and 30 deletions
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src/wf_mcp/broker/service/upstream_transport.py
+35 -12
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@@ -158,7 +158,9 @@ class UpstreamTransportService:
)
else:
adapter = require_adapter(connection, self.adapters)
result = await adapter.get_prompt(source_connection, auth, local_name, arguments)
result = await adapter.get_prompt(
source_connection, auth, local_name, arguments
)
self.event_sink(
make_event(
"prompt_get_completed",
@@ -176,7 +178,6 @@ class UpstreamTransportService:
*,
params: dict[str, Any] | None = None,
) -> dict[str, Any]:
adapter = require_adapter(connection, self.adapters)
auth = self.load_connection_auth(connection)
# Compatibility boundary: broker callers still pass ConnectionConfig.
source_connection = mcp_source_connection_from_connection_config(connection)
@@ -188,7 +189,15 @@ class UpstreamTransportService:
payload={"params": params or {}},
)
)
result = await adapter.invoke_method(source_connection, auth, method, params)
if self.stateful_runtime is not None:
result = await self.stateful_runtime.invoke_method(
source_connection, auth, method, params
)
else:
adapter = require_adapter(connection, self.adapters)
result = await adapter.invoke_method(
source_connection, auth, method, params
)
self.event_sink(
make_event(
"raw_method_completed",
@@ -206,7 +215,6 @@ class UpstreamTransportService:
*,
params: dict[str, Any] | None = None,
) -> None:
adapter = require_adapter(connection, self.adapters)
auth = self.load_connection_auth(connection)
# Compatibility boundary: broker callers still pass ConnectionConfig.
source_connection = mcp_source_connection_from_connection_config(connection)
@@ -218,7 +226,13 @@ class UpstreamTransportService:
payload={"params": params or {}},
)
)
await adapter.send_notification(source_connection, auth, method, params)
if self.stateful_runtime is not None:
await self.stateful_runtime.send_notification(
source_connection, auth, method, params
)
else:
adapter = require_adapter(connection, self.adapters)
await adapter.send_notification(source_connection, auth, method, params)
self.event_sink(
make_event(
"raw_notification_completed",
@@ -246,12 +260,15 @@ class UpstreamTransportService:
)
)
try:
adapter = require_adapter(connection, self.adapters)
source_connection = mcp_source_connection_from_connection_config(connection)
if self.stateful_runtime is not None:
operations: BackendAdapter = self.stateful_runtime
else:
operations = require_adapter(connection, self.adapters)
capabilities = await discover_connection_capabilities(
connection=source_connection,
auth=auth,
adapter=adapter,
adapter=operations,
)
specs = specs_from_discovered_tools(
connection=connection,
@@ -351,12 +368,18 @@ class UpstreamTransportService:
diagnostics.append(auth_diagnostic)
continue
try:
adapter = require_adapter(connection, self.adapters)
auth = self.load_connection_auth(connection)
await asyncio.wait_for(
adapter.list_tools(source_connection, auth),
timeout=LIVE_SOURCE_CHECK_TIMEOUT_SECONDS,
)
if self.stateful_runtime is not None:
await asyncio.wait_for(
self.stateful_runtime.list_tools(source_connection, auth),
timeout=LIVE_SOURCE_CHECK_TIMEOUT_SECONDS,
)
else:
adapter = require_adapter(connection, self.adapters)
await asyncio.wait_for(
adapter.list_tools(source_connection, auth),
timeout=LIVE_SOURCE_CHECK_TIMEOUT_SECONDS,
)
except _LIVE_SOURCE_CHECK_FAILURES as exc:
diagnostics.append(
_source_unreachable_diagnostic(