Reindent server/core/session.c
This commit is contained in:
File diff suppressed because it is too large
Load Diff
@ -24,15 +24,15 @@
|
|||||||
* @verbatim
|
* @verbatim
|
||||||
* Revision History
|
* Revision History
|
||||||
*
|
*
|
||||||
* Date Who Description
|
* Date Who Description
|
||||||
* 01-06-2013 Mark Riddoch Initial implementation
|
* 01-06-2013 Mark Riddoch Initial implementation
|
||||||
* 14-06-2013 Massimiliano Pinto Added void *data to session
|
* 14-06-2013 Massimiliano Pinto Added void *data to session
|
||||||
* for session specific data
|
* for session specific data
|
||||||
* 01-07-2013 Massimiliano Pinto Removed backends pointer
|
* 01-07-2013 Massimiliano Pinto Removed backends pointer
|
||||||
* from struct session
|
* from struct session
|
||||||
* 02-09-2013 Massimiliano Pinto Added session ref counter
|
* 02-09-2013 Massimiliano Pinto Added session ref counter
|
||||||
* 29-05-2014 Mark Riddoch Support for filter mechanism
|
* 29-05-2014 Mark Riddoch Support for filter mechanism
|
||||||
* added
|
* added
|
||||||
* 20-02-2015 Markus Mäkelä Added session timeouts
|
* 20-02-2015 Markus Mäkelä Added session timeouts
|
||||||
*
|
*
|
||||||
* @endverbatim
|
* @endverbatim
|
||||||
@ -52,18 +52,20 @@ struct filter_def;
|
|||||||
/**
|
/**
|
||||||
* The session statistics structure
|
* The session statistics structure
|
||||||
*/
|
*/
|
||||||
typedef struct {
|
typedef struct
|
||||||
time_t connect; /**< Time when the session was started */
|
{
|
||||||
|
time_t connect; /**< Time when the session was started */
|
||||||
} SESSION_STATS;
|
} SESSION_STATS;
|
||||||
|
|
||||||
typedef enum {
|
typedef enum
|
||||||
|
{
|
||||||
SESSION_STATE_ALLOC, /*< for all sessions */
|
SESSION_STATE_ALLOC, /*< for all sessions */
|
||||||
SESSION_STATE_READY, /*< for router session */
|
SESSION_STATE_READY, /*< for router session */
|
||||||
SESSION_STATE_ROUTER_READY, /*< for router session */
|
SESSION_STATE_ROUTER_READY, /*< for router session */
|
||||||
SESSION_STATE_STOPPING, /*< session and router are being closed */
|
SESSION_STATE_STOPPING, /*< session and router are being closed */
|
||||||
SESSION_STATE_LISTENER, /*< for listener session */
|
SESSION_STATE_LISTENER, /*< for listener session */
|
||||||
SESSION_STATE_LISTENER_STOPPED, /*< for listener session */
|
SESSION_STATE_LISTENER_STOPPED, /*< for listener session */
|
||||||
SESSION_STATE_TO_BE_FREED, /*< ready to be freed as soon as there are no references */
|
SESSION_STATE_TO_BE_FREED, /*< ready to be freed as soon as there are no references */
|
||||||
SESSION_STATE_FREE, /*< for all sessions */
|
SESSION_STATE_FREE, /*< for all sessions */
|
||||||
SESSION_STATE_DUMMY /*< dummy session for consistency */
|
SESSION_STATE_DUMMY /*< dummy session for consistency */
|
||||||
} session_state_t;
|
} session_state_t;
|
||||||
@ -72,42 +74,43 @@ typedef enum {
|
|||||||
* The downstream element in the filter chain. This may refer to
|
* The downstream element in the filter chain. This may refer to
|
||||||
* another filter or to a router.
|
* another filter or to a router.
|
||||||
*/
|
*/
|
||||||
typedef struct {
|
typedef struct
|
||||||
void *instance;
|
{
|
||||||
void *session;
|
void *instance;
|
||||||
int (*routeQuery)(void *instance, void *session,
|
void *session;
|
||||||
GWBUF *request);
|
int (*routeQuery)(void *instance, void *session, GWBUF *request);
|
||||||
} DOWNSTREAM;
|
} DOWNSTREAM;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The upstream element in the filter chain. This may refer to
|
* The upstream element in the filter chain. This may refer to
|
||||||
* another filter or to the protocol implementation.
|
* another filter or to the protocol implementation.
|
||||||
*/
|
*/
|
||||||
typedef struct {
|
typedef struct
|
||||||
void *instance;
|
{
|
||||||
void *session;
|
void *instance;
|
||||||
int (*clientReply)(void *instance,
|
void *session;
|
||||||
void *session, GWBUF *response);
|
int (*clientReply)(void *instance, void *session, GWBUF *response);
|
||||||
int (*error)(void *instance, void *session, void *);
|
int (*error)(void *instance, void *session, void *);
|
||||||
} UPSTREAM;
|
} UPSTREAM;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Structure used to track the filter instances and sessions of the filters
|
* Structure used to track the filter instances and sessions of the filters
|
||||||
* that are in use within a session.
|
* that are in use within a session.
|
||||||
*/
|
*/
|
||||||
typedef struct {
|
typedef struct
|
||||||
struct filter_def
|
{
|
||||||
*filter;
|
struct filter_def *filter;
|
||||||
void *instance;
|
void *instance;
|
||||||
void *session;
|
void *session;
|
||||||
} SESSION_FILTER;
|
} SESSION_FILTER;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Filter type for the sessionGetList call
|
* Filter type for the sessionGetList call
|
||||||
*/
|
*/
|
||||||
typedef enum {
|
typedef enum
|
||||||
SESSION_LIST_ALL,
|
{
|
||||||
SESSION_LIST_CONNECTION
|
SESSION_LIST_ALL,
|
||||||
|
SESSION_LIST_CONNECTION
|
||||||
} SESSIONLISTFILTER;
|
} SESSIONLISTFILTER;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
@ -117,70 +120,71 @@ typedef enum {
|
|||||||
* to the database, it links the descriptors, routing implementation
|
* to the database, it links the descriptors, routing implementation
|
||||||
* and originating service together for the client session.
|
* and originating service together for the client session.
|
||||||
*/
|
*/
|
||||||
typedef struct session {
|
typedef struct session
|
||||||
|
{
|
||||||
#if defined(SS_DEBUG)
|
#if defined(SS_DEBUG)
|
||||||
skygw_chk_t ses_chk_top;
|
skygw_chk_t ses_chk_top;
|
||||||
#endif
|
#endif
|
||||||
SPINLOCK ses_lock;
|
SPINLOCK ses_lock;
|
||||||
session_state_t state; /*< Current descriptor state */
|
session_state_t state; /*< Current descriptor state */
|
||||||
size_t ses_id; /*< Unique session identifier */
|
size_t ses_id; /*< Unique session identifier */
|
||||||
int enabled_log_priorities; /*< Bitfield of enabled syslog priorities */
|
int enabled_log_priorities; /*< Bitfield of enabled syslog priorities */
|
||||||
struct dcb *client; /*< The client connection */
|
struct dcb *client; /*< The client connection */
|
||||||
void *data; /*< The session data */
|
void *data; /*< The session data */
|
||||||
void *router_session; /*< The router instance data */
|
void *router_session; /*< The router instance data */
|
||||||
SESSION_STATS stats; /*< Session statistics */
|
SESSION_STATS stats; /*< Session statistics */
|
||||||
struct service *service; /*< The service this session is using */
|
struct service *service; /*< The service this session is using */
|
||||||
int n_filters; /*< Number of filter sessions */
|
int n_filters; /*< Number of filter sessions */
|
||||||
SESSION_FILTER *filters; /*< The filters in use within this session */
|
SESSION_FILTER *filters; /*< The filters in use within this session */
|
||||||
DOWNSTREAM head; /*< Head of the filter chain */
|
DOWNSTREAM head; /*< Head of the filter chain */
|
||||||
UPSTREAM tail; /*< The tail of the filter chain */
|
UPSTREAM tail; /*< The tail of the filter chain */
|
||||||
struct session *next; /*< Linked list of all sessions */
|
struct session *next; /*< Linked list of all sessions */
|
||||||
int refcount; /*< Reference count on the session */
|
int refcount; /*< Reference count on the session */
|
||||||
bool ses_is_child; /*< this is a child session */
|
bool ses_is_child; /*< this is a child session */
|
||||||
#if defined(SS_DEBUG)
|
#if defined(SS_DEBUG)
|
||||||
skygw_chk_t ses_chk_tail;
|
skygw_chk_t ses_chk_tail;
|
||||||
#endif
|
#endif
|
||||||
} SESSION;
|
} SESSION;
|
||||||
|
|
||||||
#define SESSION_PROTOCOL(x, type) DCB_PROTOCOL((x)->client, type)
|
#define SESSION_PROTOCOL(x, type) DCB_PROTOCOL((x)->client, type)
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* A convenience macro that can be used by the protocol modules to route
|
* A convenience macro that can be used by the protocol modules to route
|
||||||
* the incoming data to the first element in the pipeline of filters and
|
* the incoming data to the first element in the pipeline of filters and
|
||||||
* routers.
|
* routers.
|
||||||
*/
|
*/
|
||||||
#define SESSION_ROUTE_QUERY(sess, buf) \
|
#define SESSION_ROUTE_QUERY(sess, buf) \
|
||||||
((sess)->head.routeQuery)((sess)->head.instance, \
|
((sess)->head.routeQuery)((sess)->head.instance, \
|
||||||
(sess)->head.session, (buf))
|
(sess)->head.session, (buf))
|
||||||
/**
|
/**
|
||||||
* A convenience macro that can be used by the router modules to route
|
* A convenience macro that can be used by the router modules to route
|
||||||
* the replies to the first element in the pipeline of filters and
|
* the replies to the first element in the pipeline of filters and
|
||||||
* the protocol.
|
* the protocol.
|
||||||
*/
|
*/
|
||||||
#define SESSION_ROUTE_REPLY(sess, buf) \
|
#define SESSION_ROUTE_REPLY(sess, buf) \
|
||||||
((sess)->tail.clientReply)((sess)->tail.instance, \
|
((sess)->tail.clientReply)((sess)->tail.instance, \
|
||||||
(sess)->tail.session, (buf))
|
(sess)->tail.session, (buf))
|
||||||
|
|
||||||
SESSION *get_all_sessions();
|
SESSION *get_all_sessions();
|
||||||
SESSION *session_alloc(struct service *, struct dcb *);
|
SESSION *session_alloc(struct service *, struct dcb *);
|
||||||
SESSION *session_set_dummy(struct dcb *);
|
SESSION *session_set_dummy(struct dcb *);
|
||||||
bool session_free(SESSION *);
|
bool session_free(SESSION *);
|
||||||
int session_isvalid(SESSION *);
|
int session_isvalid(SESSION *);
|
||||||
int session_reply(void *inst, void *session, GWBUF *data);
|
int session_reply(void *inst, void *session, GWBUF *data);
|
||||||
char *session_get_remote(SESSION *);
|
char *session_get_remote(SESSION *);
|
||||||
char *session_getUser(SESSION *);
|
char *session_getUser(SESSION *);
|
||||||
void printAllSessions();
|
void printAllSessions();
|
||||||
void printSession(SESSION *);
|
void printSession(SESSION *);
|
||||||
void dprintAllSessions(struct dcb *);
|
void dprintAllSessions(struct dcb *);
|
||||||
void dprintSession(struct dcb *, SESSION *);
|
void dprintSession(struct dcb *, SESSION *);
|
||||||
void dListSessions(struct dcb *);
|
void dListSessions(struct dcb *);
|
||||||
char *session_state(int);
|
char *session_state(int);
|
||||||
bool session_link_dcb(SESSION *, struct dcb *);
|
bool session_link_dcb(SESSION *, struct dcb *);
|
||||||
int session_unlink_dcb(SESSION*, DCB*);
|
int session_unlink_dcb(SESSION*, DCB*);
|
||||||
SESSION* get_session_by_router_ses(void* rses);
|
SESSION* get_session_by_router_ses(void* rses);
|
||||||
void session_enable_log_priority(SESSION* ses, int priority);
|
void session_enable_log_priority(SESSION* ses, int priority);
|
||||||
void session_disable_log_priority(SESSION* ses, int priority);
|
void session_disable_log_priority(SESSION* ses, int priority);
|
||||||
void session_close_timeouts(void* data);
|
void session_close_timeouts(void* data);
|
||||||
RESULTSET *sessionGetList(SESSIONLISTFILTER);
|
RESULTSET *sessionGetList(SESSIONLISTFILTER);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
Reference in New Issue
Block a user