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rework session structure

    1: #ifndef __MQTTD_H
    2: #define __MQTTD_H
    3: 
    4: 
    5: struct tagStore {
    6: 	char				st_qos;
    7: 	u_short				st_msgid;
    8: 
    9: 	mqtt_subscr_t			st_subscr;
   10: 
   11: 	SLIST_ENTRY(tagStore)		st_node;
   12: };
   13: 
   14: struct tagSession {
   15: 	/* client session thread id */
   16: 	pthread_t			sess_tid;
   17: 	pthread_mutex_t			sess_mtx;
   18: 	/* server dispatcher */
   19: 	mqtt_srv_t			*sess_srv;
   20: 
   21: 	/* client network settings */
   22: 	int				sess_sock;
   23: 	u_short				sess_ka;
   24: 	/* client send retry in miliseconds, if client not receive message */
   25: 	u_int				sess_retry;
   26: 	/* message work buffer */
   27: 	mqtt_msg_t			*sess_buf;
   28: 
   29: 	/* authentication user info */
   30: 	char				sess_cid[MAX_CONNID];
   31: 	char				sess_user[MAX_CRED];
   32: 	char				sess_pass[MAX_CRED];
   33: 	char				sess_addr[64];
   34: 
   35: 	/* connect flags */
   36: 	char				sess_clean;
   37: 	struct {
   38: 		char			flag;
   39: 		char			qos;
   40: 		char			retain;
   41: 		char			*topic;
   42: 		char			*msg;
   43: 	} sess_will;
   44: 
   45: 	/* Data Storage by QoS class */
   46: 	SLIST_HEAD(tStore, tagStore)	sess_txque[3];
   47: 	TAILQ_ENTRY(tagSession)		sess_node;
   48: };
   49: typedef TAILQ_HEAD(, tagSession) sessions_t;
   50: #define SESS_ELEM_LOCK(x)	pthread_mutex_lock(&(x)->sess_mtx)
   51: #define SESS_ELEM_UNLOCK(x)	pthread_mutex_unlock(&(x)->sess_mtx)
   52: 
   53: 
   54: extern sessions_t Sessions;
   55: extern sched_root_task_t *root;
   56: extern cfg_root_t cfg;
   57: extern pthread_mutex_t mtx_sess, mtx_pub;
   58: #define SESS_LOCK		pthread_mutex_lock(&mtx_sess)
   59: #define SESS_UNLOCK		pthread_mutex_unlock(&mtx_sess)
   60: #define PUB_LOCK		pthread_mutex_lock(&mtx_pub)
   61: #define PUB_UNLOCK		pthread_mutex_unlock(&mtx_pub)
   62: 
   63: 
   64: #endif