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Mail CRC

Name:

 MailHeader

Comment:

 The following class defines the format of an incoming/outgoing "Mail" message. The message format is layered:
  • network header (PacketHeader)
  • post office header (MailHeader)
  • data

Collaborators:

Responsibilities: 

class Mail {
  public:
     Mail(PacketHeader pktH, MailHeader mailH, char *msgData);
                                // Initialize a mail message by
                                // concatenating the headers to the data

     PacketHeader pktHdr;       // Header appended by Network
     MailHeader mailHdr;        // Header appended by PostOffice
     char data[MaxMailSize];    // Payload -- message data
};