test

myaegean

Name: Mini-mail Server

Function
   User Authentication
   Statistics Function
   Quit Funciton

Module
                 TCP         .--------.
   {client} <------------->  |        |  ------ {mailbox}
               connection    |  Mail  |
   {client} <------------->  |        |
                 TCP         | Server |
   {client} <------------->  |        |  ------ {mailuserDB}
               connection    |        |
                             '--------'
Fucntion Division
(1)Initialize Database
    Read user information, and insert KEY-VALUE pair into the red-black tree.
    The KEY is the user name, the VALUE include PASSWD, MAILBOX directory.
(2)Create Socket and Accept the connection form client
(3) Handle Connection
    (a)int sendReplayToClient(int sock, char szResponse[]);
    (b)int parseCmdFromClient(int sock, char szParam[]);
    (c)int checkUserExistOrNot(char szName[]);
    (d)int getUserMailboxStat(char szName, unsigned int *puiTotalMail, unsigned int puiTotolSize);