/[pengfork]/pengfork/include/p3/p3.h
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revision 1.3 by chupa, Sat Sep 7 22:32:04 2002 UTC revision 1.4 by chupa, Mon Sep 9 22:59:42 2002 UTC
# Line 27  Line 27 
27    
28  #include "buffer.h"  #include "buffer.h"
29  #include "access.h"  #include "access.h"
30    #include "window.h"
31  #include "p3/header.h"  #include "p3/header.h"
32    
33  struct p3state  struct p3state
34  {  {
35    int lastseq;    int lastseq; /* the last sequence number sended */
36    int lastack;    int lastack; /* the last sequence acknowledged */
37    int datawin;    int want_ssr; /* an SS is received, but no SSR is send */
   int nackwin;  
38  };  };
39    
40  #define WINDOW_SIZE 16          /* Packet we can send/receive without ack */  #define WINDOW_SIZE 32          /* Packet we can send/receive without ack */
41  #define WINDOW_HIGH  8          /* when the window is considered near closed */  #define WINDOW_HIGH 24          /* when the window is considered near closed */
   
 /* each buffer can handle 2 full packets */  
 #define BUFFER_SIZE P3_MAX_SIZE*2  
   
 extern struct p3hdr *data_win[WINDOW_SIZE];  
 extern int nack_win[WINDOW_SIZE];  
42    
43  extern struct p3state cli, srv;  extern struct p3state cli, srv;
44    extern window_t wsend, wunack, wnack;
45    
46  void p3_register_to_engine (const access_t * myaccess);  void p3_register_to_engine (const access_t * myaccess);
47  void p3_init (buffer_t * bufin, buffer_t * bufout);  void p3_init (buffer_t * bufin, buffer_t * bufout);
48  void p3_loop (buffer_t * bufin, buffer_t * bufout, int timeout);  int p3_want_write(buffer_t * out);
49  void p3_put_data (buffer_t * buffer, char *data, size_t data_size);  void p3_recv (buffer_t * bufin);
 int p3_get_packet (buffer_t * buffer, buffer_t * out,  
                  struct p3hdr **header, char **data, size_t * data_size);  
 void p3_put_packet (buffer_t * buffer, int type, char *data,  
                     size_t data_size);  
   
50    
51  #endif /* __P3_P3_H__ */  #endif /* __P3_P3_H__ */

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