socket+epoll实现多客户端登陆注册传递位置信息，解决粘包拆包问题
暂时先把代码记录下来，一行行调试出来的哦db.protodb.protodb.protosyntax = "proto3";package user;message Person { string name = 1; string passwd = 2;}message AddressBook { repeated Person people = 1;}命令行protoc --cpp_out=./ db.protodbserver.cppdbserver.cppdb
