/*
  Ben Adams (bwa3)
  Recitation: Ben Karas Thurs 1:15
  ECES 338 Assignment #7
  Header file for the TCP Mailbox program
  OS: Unix/Solaris

*/

#define MESSAGELENGTH 80        //buffer length of messages
#define USERNAMELENGTH 50       //buffer length of user names
#define MAXMESSAGES 20          //only allow 20 messages in mailbox
#define SERVER_PORT 4301	//server port 4301

//this enum is used in both programs to define which function is being
//passed to and from the client/server
enum enumstruct {STARTID,QUITID,RETRIEVEID,INSERTID,LISTID,DELETEID,GETLOGSTATUSID,SHUTSERVERDOWN}; typedef enum enumstruct etype;

//all querys contain functionid which is an enumeration for the function that t$
//query is being used in (data parsing on server side)

//usertype contains the information for a user (name)
typedef struct userstruct {
        etype functionid;
        char name[USERNAMELENGTH];
} usertype;

//querytype contains the information for a query (user name and message id)
typedef struct querystruct {
        etype functionid;
        usertype user;
        int mid;
} querytype;

//messagetype contains the information for a message (string of at most 80 chars)
typedef struct messagestruct {
        etype functionid;
        usertype sender;
        usertype receiver;
        char contents[MESSAGELENGTH];
} messagetype;

//this structure is for list all messages.. return type for that
//function with a list of all the MID's belonging to that user
typedef struct liststruct {
        etype functionid;
        int sent[MAXMESSAGES];
        int received[MAXMESSAGES];
        int sentsize;
        int receivedsize;
} listtype;