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MailBox Class Reference

#include <post.h>

List of all members.

Public Methods

 MailBox ()
 ~MailBox ()
void Put (PacketHeader pktHdr, MailHeader mailHdr, char *data)
void Get (PacketHeader *pktHdr, MailHeader *mailHdr, char *data)

Private Attributes

SynchList * messages

Constructor & Destructor Documentation

MailBox::MailBox (    ) 
 

Definition at line 54 of file post.cc.

References messages. 

00055 { 
00056     messages = new SynchList(); 
00057 }

MailBox::~MailBox (    ) 
 

Definition at line 67 of file post.cc.

References messages. 

00068 { 
00069     delete messages; 
00070 }

Member Function Documentation

void MailBox::Get (  PacketHeader *    pktHdr,
MailHeader *    mailHdr,
char *    data
) 
 

Definition at line 124 of file post.cc.

References bcopy, Mail::data, DEBUG, DebugIsEnabled, MailHeader::length, Mail::mailHdr, messages, Mail::pktHdr, PrintHeader, and SynchList::Remove.

Referenced by PostOffice::Receive. 

00125 { 
00126     DEBUG('n', "Waiting for mail in mailbox\n");
00127     Mail *mail = (Mail *) messages->Remove();   // remove message from list;
00128                                                 // will wait if list is empty
00129 
00130     *pktHdr = mail->pktHdr;
00131     *mailHdr = mail->mailHdr;
00132     if (DebugIsEnabled('n')) {
00133         printf("Got mail from mailbox: ");
00134         PrintHeader(*pktHdr, *mailHdr);
00135     }
00136     bcopy(mail->data, data, mail->mailHdr.length);
00137                                         // copy the message data into
00138                                         // the caller's buffer
00139     delete mail;                        // we've copied out the stuff we
00140                                         // need, we can now discard the message
00141 }

void MailBox::Put (  PacketHeader    pktHdr,
MailHeader    mailHdr,
char *    data
) 
 

Definition at line 102 of file post.cc.

References SynchList::Append, and messages. 

00103 { 
00104     Mail *mail = new Mail(pktHdr, mailHdr, data); 
00105 
00106     messages->Append((void *)mail);     // put on the end of the list of 
00107                                         // arrived messages, and wake up 
00108                                         // any waiters
00109 }

Member Data Documentation

SynchList* MailBox::messages [private]
 

Definition at line 90 of file post.h.

Referenced by Get, MailBox, Put, and ~MailBox.

The documentation for this class was generated from the following files:
Generated on Mon Feb 10 09:54:57 2003 for nachos by doxygen1.2.14 written by Dimitri van Heesch, © 1997-2002
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