226 lines
8.5 KiB
Python
226 lines
8.5 KiB
Python
#!/usr/bin/env python
|
||
# -*- coding: utf-8 -*-
|
||
|
||
"""
|
||
LSP WebSocket API路由
|
||
为脚本编辑器提供基于WebSocket的Language Server Protocol支持
|
||
"""
|
||
|
||
import json
|
||
import asyncio
|
||
from typing import Dict, Any, Optional
|
||
from fastapi import WebSocket, WebSocketDisconnect, APIRouter
|
||
from utils.logger import get_logger
|
||
from services.online_script.lsp_completion_service import get_lsp_completion_service
|
||
|
||
logger = get_logger("routes.lsp_websocket")
|
||
router = APIRouter(prefix="/lsp", tags=["LSP WebSocket"])
|
||
|
||
|
||
class LSPConnectionManager:
|
||
"""LSP WebSocket连接管理器"""
|
||
|
||
def __init__(self):
|
||
self.active_connections: Dict[str, Dict[str, Any]] = {}
|
||
self.lsp_service = get_lsp_completion_service()
|
||
|
||
async def connect(self, websocket: WebSocket, client_id: str):
|
||
"""建立WebSocket连接"""
|
||
await websocket.accept()
|
||
self.active_connections[client_id] = {
|
||
'websocket': websocket,
|
||
'documents': {}, # 存储文档状态
|
||
'initialized': False
|
||
}
|
||
logger.info(f"LSP客户端连接: {client_id}")
|
||
|
||
def disconnect(self, client_id: str):
|
||
"""断开WebSocket连接"""
|
||
if client_id in self.active_connections:
|
||
del self.active_connections[client_id]
|
||
logger.info(f"LSP客户端断开: {client_id}")
|
||
|
||
async def send_message(self, client_id: str, message: Dict[str, Any]):
|
||
"""发送消息给指定客户端"""
|
||
if client_id in self.active_connections:
|
||
websocket = self.active_connections[client_id]['websocket']
|
||
try:
|
||
await websocket.send_text(json.dumps(message, ensure_ascii=False))
|
||
except Exception as e:
|
||
logger.error(f"发送LSP消息失败 {client_id}: {e}")
|
||
self.disconnect(client_id)
|
||
|
||
async def handle_message(self, client_id: str, message: Dict[str, Any]) -> Optional[Dict[str, Any]]:
|
||
"""处理LSP消息"""
|
||
try:
|
||
method = message.get('method')
|
||
params = message.get('params', {})
|
||
|
||
# 更新文档状态
|
||
if method == 'textDocument/didOpen':
|
||
await self._handle_did_open(client_id, params)
|
||
elif method == 'textDocument/didChange':
|
||
await self._handle_did_change(client_id, params)
|
||
elif method == 'textDocument/didClose':
|
||
await self._handle_did_close(client_id, params)
|
||
|
||
# 为需要文档内容的请求添加文档文本
|
||
if method in ['textDocument/completion', 'textDocument/signatureHelp', 'textDocument/hover']:
|
||
text_document = params.get('textDocument', {})
|
||
uri = text_document.get('uri')
|
||
|
||
if uri and client_id in self.active_connections:
|
||
documents = self.active_connections[client_id]['documents']
|
||
if uri in documents:
|
||
# 将文档内容添加到context中
|
||
if 'context' not in params:
|
||
params['context'] = {}
|
||
params['context']['documentText'] = documents[uri]['text']
|
||
message['params'] = params
|
||
|
||
# 使用LSP服务处理消息
|
||
response = self.lsp_service.handle_lsp_message(message)
|
||
return response
|
||
|
||
except Exception as e:
|
||
logger.error(f"处理LSP消息失败 {client_id}: {e}", exc_info=True)
|
||
return {
|
||
"jsonrpc": "2.0",
|
||
"id": message.get('id'),
|
||
"error": {
|
||
"code": -32603,
|
||
"message": f"Internal error: {str(e)}"
|
||
}
|
||
}
|
||
|
||
async def _handle_did_open(self, client_id: str, params: Dict[str, Any]):
|
||
"""处理文档打开"""
|
||
text_document = params.get('textDocument', {})
|
||
uri = text_document.get('uri')
|
||
text = text_document.get('text', '')
|
||
version = text_document.get('version', 1)
|
||
|
||
if uri and client_id in self.active_connections:
|
||
self.active_connections[client_id]['documents'][uri] = {
|
||
'text': text,
|
||
'version': version
|
||
}
|
||
logger.debug(f"文档已打开: {uri}")
|
||
|
||
async def _handle_did_change(self, client_id: str, params: Dict[str, Any]):
|
||
"""处理文档变更"""
|
||
text_document = params.get('textDocument', {})
|
||
uri = text_document.get('uri')
|
||
version = text_document.get('version')
|
||
content_changes = params.get('contentChanges', [])
|
||
|
||
if uri and client_id in self.active_connections:
|
||
documents = self.active_connections[client_id]['documents']
|
||
|
||
if uri in documents:
|
||
# 应用文档变更
|
||
for change in content_changes:
|
||
if 'range' not in change:
|
||
# 全文更新
|
||
documents[uri]['text'] = change.get('text', '')
|
||
else:
|
||
# 增量更新（简化实现，实际应用中需要精确处理range）
|
||
documents[uri]['text'] = change.get('text', documents[uri]['text'])
|
||
|
||
documents[uri]['version'] = version
|
||
logger.debug(f"文档已更新: {uri}, 版本: {version}")
|
||
|
||
async def _handle_did_close(self, client_id: str, params: Dict[str, Any]):
|
||
"""处理文档关闭"""
|
||
text_document = params.get('textDocument', {})
|
||
uri = text_document.get('uri')
|
||
|
||
if uri and client_id in self.active_connections:
|
||
documents = self.active_connections[client_id]['documents']
|
||
if uri in documents:
|
||
del documents[uri]
|
||
logger.debug(f"文档已关闭: {uri}")
|
||
|
||
|
||
# 全局连接管理器
|
||
lsp_manager = LSPConnectionManager()
|
||
|
||
|
||
@router.websocket("/code-completion/{client_id}")
|
||
async def lsp_websocket_endpoint(websocket: WebSocket, client_id: str):
|
||
"""LSP WebSocket端点"""
|
||
await lsp_manager.connect(websocket, client_id)
|
||
|
||
try:
|
||
while True:
|
||
# 接收消息
|
||
data = await websocket.receive_text()
|
||
|
||
try:
|
||
message = json.loads(data)
|
||
logger.debug(f"接收到LSP消息 {client_id}: {message.get('method', 'unknown')}")
|
||
|
||
# 处理消息
|
||
response = await lsp_manager.handle_message(client_id, message)
|
||
|
||
# 发送响应
|
||
if response:
|
||
await lsp_manager.send_message(client_id, response)
|
||
|
||
except json.JSONDecodeError as e:
|
||
logger.error(f"JSON解析失败 {client_id}: {e}")
|
||
error_response = {
|
||
"jsonrpc": "2.0",
|
||
"id": None,
|
||
"error": {
|
||
"code": -32700,
|
||
"message": "Parse error"
|
||
}
|
||
}
|
||
await lsp_manager.send_message(client_id, error_response)
|
||
|
||
except Exception as e:
|
||
logger.error(f"处理消息失败 {client_id}: {e}", exc_info=True)
|
||
|
||
except WebSocketDisconnect:
|
||
logger.info(f"LSP客户端断开连接: {client_id}")
|
||
except Exception as e:
|
||
logger.error(f"WebSocket连接异常 {client_id}: {e}")
|
||
finally:
|
||
lsp_manager.disconnect(client_id)
|
||
|
||
|
||
@router.get("/health")
|
||
async def lsp_health_check():
|
||
"""LSP服务健康检查"""
|
||
return {
|
||
"status": "healthy",
|
||
"service": "VWED LSP Code Completion",
|
||
"active_connections": len(lsp_manager.active_connections),
|
||
"capabilities": [
|
||
"textDocument/completion",
|
||
"textDocument/signatureHelp",
|
||
"textDocument/hover",
|
||
"textDocument/didOpen",
|
||
"textDocument/didChange",
|
||
"textDocument/didClose"
|
||
]
|
||
}
|
||
|
||
|
||
@router.get("/clients")
|
||
async def get_active_clients():
|
||
"""获取活跃的LSP客户端"""
|
||
clients = []
|
||
for client_id, connection in lsp_manager.active_connections.items():
|
||
clients.append({
|
||
"client_id": client_id,
|
||
"initialized": connection.get('initialized', False),
|
||
"document_count": len(connection.get('documents', {})),
|
||
"documents": list(connection.get('documents', {}).keys())
|
||
})
|
||
|
||
return {
|
||
"active_clients": clients,
|
||
"total_count": len(clients)
|
||
} |