Chimera: chimera_0-9/include/message.h Source File

00001 /*
00002 ** $Id: message_8h-source.html,v 1.1 2007/08/02 18:36:20 krishnap Exp $
00003 **
00004 ** Matthew Allen
00005 ** description: 
00006 */
00007 
00008 #ifndef _CHIMERA_MESSAGE_H_
00009 #define _CHIMERA_MESSAGE_H_
00010 
00011 #include "key.h"
00012 #include "host.h"
00013 #include "jrb.h"
00014 
00015 #define DEFAULT_SEQNUM 0 
00016 
00017 typedef struct {
00018   Key dest;
00019   int type;
00020   int size;
00021   char *payload;
00022   Key source;           /* for future security enhancement */
00023   unsigned long seqNum; /* for future security enhancement */
00024 } Message;
00025 
00026 typedef void (*messagehandler_t)(ChimeraState *, Message *);
00027 
00028 void* message_init(void *chstate, int port);
00029 void message_recieved(void *chstate,char *data, int size);
00030 void message_handler(void *chstate,int type, messagehandler_t func, int ack);
00031 int message_send(void *chstate,ChimeraHost *host, Message *message, int retry);
00032 Message *message_create(Key dest, int type, int size, char *payload);
00033 
00034 #endif /* _CHIMERA_MESSAGE_H_ */