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Split the backend read function as an example, this still needs to be reorganised into protocols

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Addition of DCB diagnostics, and free routine
This commit is contained in:
Mark Riddoch
2013-06-12 12:57:09 +01:00
parent 329a70eccd
commit c7f533abaf
4 changed files with 247 additions and 64 deletions
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8
include/dcb.h
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@ -51,8 +51,8 @@ typedef struct gw_protocol {
* close Gateway close entry point for the socket
*/
int (*read)(struct dcb *, int);
int (*write)(struct dcb *, int);
int (*write_ready)(struct dcb *);
int (*write)(struct dcb *, GWBUF *);
int (*write_ready)(struct dcb *, int);
int (*error)(struct dcb *, int);
int (*hangup)(struct dcb *, int);
int (*accept)(struct dcb *, int);
@ -84,13 +84,15 @@ typedef struct dcb {
#define DCB_STATE_PROCESSING 4 /* Processing an event */
#define DCB_STATE_LISTENING 5 /* The DCB is for a listening socket */
#define DCB_STATE_DISCONNECTED 6 /* The socket is now closed */
#define DCB_STATE_FREED 7 /* Memory freed */
#define DCB_STATE_FREED 7 /* Memory freed */
/* A few useful macros */
#define DCB_SESSION(x) (x)->session
#define DCB_PROTOCOL(x, type) (type *)((x)->protocol)
extern DCB *alloc_dcb(); /* Allocate a DCB */
extern void free_dcb(DCB *); /* Free a DCB */
extern void printAllDCBs(); /* Debug to print all DCB in the system */
extern void printDCB(DCB *); /* Debug print routine */
extern const char *gw_dcb_state2string(int); /* DCB state to string */