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解析tcp交互thrift的使用实例

时间:2021-07-01 10:21:17 帮助过:9人阅读

Apache Thrift 是 Facebook 实现的一种高效的、支持多种编程语言的远程服务调用的框架。

  • 安装thrift 从官网下载 然后按照./configure,make,make install 方式进行安装,其他系统可以参照官网http://thrift.apache.org/docs/install/

  • 定义thrift文件, 相当于通讯双方的接口定义,

    1. bool Boolean, one byte * i8 (byte) Signed 8-bit integer * i16 Signed 16-bit integer *
    2. i32 Signed 32-bit integer *
    3. i64 Signed 64-bit integer *
    4. double 64-bit floating point value * string String * binary Blob (byte array)
    5. * map<t1,t2> Map from one type to another
    6. * list<t1> Ordered list of one type
    7. * set<t1> Set of unique elements of one type
  • 用thrift生成关于thrift定义的代码,对应各种语言,我这主要是python,也可以其他的c++,java,命令是thrift --gen <language> <Thrift filename>

  • server和client的编写,server要多考虑无阻塞,多进程,保证服务正常,调用thrift生成的类,对应定义好的数据类型。

    1. def init_handler(): """ sub-process init handler """
    2. signal.signal(signal.SIGINT, signal.SIG_DFL)
    3. signal.signal(signal.SIGTERM, signal.SIG_DFL)
    4. signal.signal(signal.SIGHUP, signal.SIG_DFL)
    5. signal.signal(signal.SIGUSR1, debug)def main(): """ The main entrance """
    6. port = sys.argv[1]
    7. signal.signal(signal.SIGINT, exit_signal_handler)
    8. signal.signal(signal.SIGTERM, exit_signal_handler)
    9. signal.signal(signal.SIGHUP, exit_signal_handler)
    10. signal.signal(signal.SIGUSR1, debug)
    11. gc.set_threshold(20000, 10, 10)
    12. handler = MaitreyaHandler()
    13. processor = Maitreya.Processor(handler)
    14. transport = TSocket.TServerSocket(port=port)
    15. tfactory = TTransport.TBufferedTransportFactory()
    16. pfactory = TBinaryProtocol.TBinaryProtocolFactory() # server = TProcessPoolServer(processor, transport, tfactory, pfactory)
    17. server = TGeventServer.TGeventProcessPoolServer(processor, transport, tfactory, pfactory)
    18. server.setNumWorkers(WORKER_NUM)
    19. server.setPostForkCallback(init_handler) print "server started..."
    20. server.serve()

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