| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| import os |
| import socket |
| |
| from threading import Thread as NewThread |
| from apisix.runner.server.handle import Handle as NewServerHandle |
| from apisix.runner.server.protocol import Protocol as NewServerProtocol |
| from apisix.runner.server.config import Config as NewServerConfig |
| from apisix.runner.server.logger import Logger as NewServerLogger |
| from apisix.runner.server.response import RESP_STATUS_CODE_OK |
| |
| PROTOCOL_HEADER_LEN = 4 |
| |
| |
| class RPCData: |
| def __init__(self, ty: int = 0, data: bytes = b''): |
| self.ty = ty |
| self.data = data |
| |
| |
| class RPCRequest: |
| def __init__(self, conn: socket.socket, log: NewServerLogger): |
| self.conn = conn |
| self.log = log |
| self.request = RPCData() |
| self.response = RPCData() |
| |
| |
| def _threaded(r: RPCRequest): |
| while True: |
| try: |
| buffer = r.conn.recv(PROTOCOL_HEADER_LEN) |
| protocol = NewServerProtocol(buffer, 0) |
| err = protocol.decode() |
| if err.code != RESP_STATUS_CODE_OK: |
| r.log.error(err.message) |
| break |
| |
| r.request.ty = protocol.type |
| r.log.info("request type:{}, len:{}", protocol.type, protocol.length) |
| |
| r.request.data = r.conn.recv(protocol.length) |
| handler = NewServerHandle(r) |
| response = handler.dispatch() |
| protocol = NewServerProtocol(response.Output(), protocol.type) |
| protocol.encode() |
| |
| r.log.info("response type:{}, len:{}", protocol.type, protocol.length) |
| |
| r.conn.sendall(protocol.buffer) |
| except socket.timeout as e: |
| r.log.info("connection timout: {}", e.args.__str__()) |
| break |
| except socket.error as e: |
| r.log.error("connection error: {}", e.args.__str__()) |
| break |
| |
| r.conn.close() |
| del r |
| |
| |
| class Server: |
| def __init__(self, config: NewServerConfig): |
| self.fd = config.socket.file |
| if os.path.exists(self.fd): |
| os.remove(self.fd) |
| self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) |
| self.sock.bind(self.fd) |
| self.sock.listen(1024) |
| |
| # the default socket permission is 0755, which prevents the 'nobody' worker process |
| # from writing to it if the APISIX is run under root. |
| os.chmod(self.fd, 0o766) |
| if os.stat(self.fd).st_mode & 0xfff != 0o766: |
| raise Exception("can't change mode for unix socket permission to 766") |
| |
| self.logger = NewServerLogger(config.logging.level) |
| |
| print("listening on unix:%s" % self.fd) |
| |
| def receive(self): |
| while True: |
| conn, address = self.sock.accept() |
| conn.settimeout(60) |
| |
| r = RPCRequest(conn, self.logger) |
| thread = NewThread(target=_threaded, args=(r,)) |
| thread.setDaemon(True) |
| thread.start() |
| |
| def __del__(self): |
| self.sock.close() |
| os.remove(self.fd) |
| print("Bye") |