|
| 1 | +from __future__ import annotations |
| 2 | + |
| 3 | +import sqlalchemy |
| 4 | +import uuid |
| 5 | +import asyncio |
| 6 | + |
| 7 | +from ....core import app |
| 8 | +from ....entity.persistence import mcp as persistence_mcp |
| 9 | +from ....core import taskmgr |
| 10 | +from ....provider.tools.loaders.mcp import RuntimeMCPSession, MCPSessionStatus |
| 11 | + |
| 12 | + |
| 13 | +class MCPService: |
| 14 | + ap: app.Application |
| 15 | + |
| 16 | + def __init__(self, ap: app.Application) -> None: |
| 17 | + self.ap = ap |
| 18 | + |
| 19 | + async def get_runtime_info(self, server_name: str) -> dict | None: |
| 20 | + session = self.ap.tool_mgr.mcp_tool_loader.get_session(server_name) |
| 21 | + if session: |
| 22 | + return session.get_runtime_info_dict() |
| 23 | + return None |
| 24 | + |
| 25 | + async def get_mcp_servers(self, contain_runtime_info: bool = False) -> list[dict]: |
| 26 | + result = await self.ap.persistence_mgr.execute_async(sqlalchemy.select(persistence_mcp.MCPServer)) |
| 27 | + |
| 28 | + servers = result.all() |
| 29 | + serialized_servers = [ |
| 30 | + self.ap.persistence_mgr.serialize_model(persistence_mcp.MCPServer, server) for server in servers |
| 31 | + ] |
| 32 | + if contain_runtime_info: |
| 33 | + for server in serialized_servers: |
| 34 | + runtime_info = await self.get_runtime_info(server['name']) |
| 35 | + |
| 36 | + server['runtime_info'] = runtime_info if runtime_info else None |
| 37 | + |
| 38 | + return serialized_servers |
| 39 | + |
| 40 | + async def create_mcp_server(self, server_data: dict) -> str: |
| 41 | + server_data['uuid'] = str(uuid.uuid4()) |
| 42 | + await self.ap.persistence_mgr.execute_async(sqlalchemy.insert(persistence_mcp.MCPServer).values(server_data)) |
| 43 | + |
| 44 | + result = await self.ap.persistence_mgr.execute_async( |
| 45 | + sqlalchemy.select(persistence_mcp.MCPServer).where(persistence_mcp.MCPServer.uuid == server_data['uuid']) |
| 46 | + ) |
| 47 | + server_entity = result.first() |
| 48 | + if server_entity: |
| 49 | + server_config = self.ap.persistence_mgr.serialize_model(persistence_mcp.MCPServer, server_entity) |
| 50 | + if self.ap.tool_mgr.mcp_tool_loader: |
| 51 | + task = asyncio.create_task(self.ap.tool_mgr.mcp_tool_loader.host_mcp_server(server_config)) |
| 52 | + self.ap.tool_mgr.mcp_tool_loader._hosted_mcp_tasks.append(task) |
| 53 | + |
| 54 | + return server_data['uuid'] |
| 55 | + |
| 56 | + async def get_mcp_server_by_name(self, server_name: str) -> dict | None: |
| 57 | + result = await self.ap.persistence_mgr.execute_async( |
| 58 | + sqlalchemy.select(persistence_mcp.MCPServer).where(persistence_mcp.MCPServer.name == server_name) |
| 59 | + ) |
| 60 | + server = result.first() |
| 61 | + if server is None: |
| 62 | + return None |
| 63 | + |
| 64 | + runtime_info = await self.get_runtime_info(server.name) |
| 65 | + server_data = self.ap.persistence_mgr.serialize_model(persistence_mcp.MCPServer, server) |
| 66 | + server_data['runtime_info'] = runtime_info if runtime_info else None |
| 67 | + return server_data |
| 68 | + |
| 69 | + async def update_mcp_server(self, server_uuid: str, server_data: dict) -> None: |
| 70 | + result = await self.ap.persistence_mgr.execute_async( |
| 71 | + sqlalchemy.select(persistence_mcp.MCPServer).where(persistence_mcp.MCPServer.uuid == server_uuid) |
| 72 | + ) |
| 73 | + old_server = result.first() |
| 74 | + old_server_name = old_server.name if old_server else None |
| 75 | + |
| 76 | + await self.ap.persistence_mgr.execute_async( |
| 77 | + sqlalchemy.update(persistence_mcp.MCPServer) |
| 78 | + .where(persistence_mcp.MCPServer.uuid == server_uuid) |
| 79 | + .values(server_data) |
| 80 | + ) |
| 81 | + |
| 82 | + if self.ap.tool_mgr.mcp_tool_loader: |
| 83 | + if old_server_name and old_server_name in self.ap.tool_mgr.mcp_tool_loader.sessions: |
| 84 | + await self.ap.tool_mgr.mcp_tool_loader.remove_mcp_server(old_server_name) |
| 85 | + |
| 86 | + result = await self.ap.persistence_mgr.execute_async( |
| 87 | + sqlalchemy.select(persistence_mcp.MCPServer).where(persistence_mcp.MCPServer.uuid == server_uuid) |
| 88 | + ) |
| 89 | + updated_server = result.first() |
| 90 | + if updated_server: |
| 91 | + # convert entity to config dict |
| 92 | + server_config = self.ap.persistence_mgr.serialize_model(persistence_mcp.MCPServer, updated_server) |
| 93 | + task = asyncio.create_task(self.ap.tool_mgr.mcp_tool_loader.host_mcp_server(server_config)) |
| 94 | + self.ap.tool_mgr.mcp_tool_loader._hosted_mcp_tasks.append(task) |
| 95 | + |
| 96 | + async def delete_mcp_server(self, server_uuid: str) -> None: |
| 97 | + result = await self.ap.persistence_mgr.execute_async( |
| 98 | + sqlalchemy.select(persistence_mcp.MCPServer).where(persistence_mcp.MCPServer.uuid == server_uuid) |
| 99 | + ) |
| 100 | + server = result.first() |
| 101 | + server_name = server.name if server else None |
| 102 | + |
| 103 | + await self.ap.persistence_mgr.execute_async( |
| 104 | + sqlalchemy.delete(persistence_mcp.MCPServer).where(persistence_mcp.MCPServer.uuid == server_uuid) |
| 105 | + ) |
| 106 | + |
| 107 | + if server_name and self.ap.tool_mgr.mcp_tool_loader: |
| 108 | + if server_name in self.ap.tool_mgr.mcp_tool_loader.sessions: |
| 109 | + await self.ap.tool_mgr.mcp_tool_loader.remove_mcp_server(server_name) |
| 110 | + |
| 111 | + async def test_mcp_server(self, server_name: str, server_data: dict) -> int: |
| 112 | + """测试 MCP 服务器连接并返回任务 ID""" |
| 113 | + |
| 114 | + runtime_mcp_session: RuntimeMCPSession | None = None |
| 115 | + |
| 116 | + if server_name != '_': |
| 117 | + runtime_mcp_session = self.ap.tool_mgr.mcp_tool_loader.get_session(server_name) |
| 118 | + if runtime_mcp_session is None: |
| 119 | + raise ValueError(f'Server not found: {server_name}') |
| 120 | + |
| 121 | + if runtime_mcp_session.status == MCPSessionStatus.ERROR: |
| 122 | + coroutine = runtime_mcp_session.start() |
| 123 | + else: |
| 124 | + coroutine = runtime_mcp_session.refresh() |
| 125 | + else: |
| 126 | + runtime_mcp_session = await self.ap.tool_mgr.mcp_tool_loader.load_mcp_server(server_config=server_data) |
| 127 | + coroutine = runtime_mcp_session.start() |
| 128 | + |
| 129 | + ctx = taskmgr.TaskContext.new() |
| 130 | + wrapper = self.ap.task_mgr.create_user_task( |
| 131 | + coroutine, |
| 132 | + kind='mcp-operation', |
| 133 | + name=f'mcp-test-{server_name}', |
| 134 | + label=f'Testing MCP server {server_name}', |
| 135 | + context=ctx, |
| 136 | + ) |
| 137 | + return wrapper.id |
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