freewtp/src/ac/ac_session.h

#ifndef __AC_SESSION_HEADER__
#define __AC_SESSION_HEADER__

#include "capwap_dtls.h"
#include "capwap_event.h"
#include "capwap_lock.h"
#include "ac_soap.h"

/* AC packet */
struct ac_packet {
	int plainbuffer;
	char buffer[0];
};

/* */
struct ac_session_control {
	struct sockaddr_storage localaddress;
	unsigned short count;
};

/* */
#define AC_SESSION_ACTION_RESET_WTP					1

/* */
struct ac_session_action {
	long action;
	long param;
	long length;
	char data[0];
};

/* AC sessions */
struct ac_session_t {
	struct capwap_list_item* itemlist;					/* My itemlist into g_ac.sessions */
	struct ac_state dfa;

	/* Soap */
	struct ac_http_soap_request* soaprequest;

	/* */
	char* wtpid;
	int running;
	int waitresponse;

	unsigned long count;
	struct sockaddr_storage acctrladdress;
	struct sockaddr_storage acdataaddress;
	struct sockaddr_storage wtpctrladdress;
	struct sockaddr_storage wtpdataaddress;
	struct capwap_socket ctrlsocket;
	struct capwap_socket datasocket;
	struct timeout_control timeout;

	struct capwap_sessionid_element sessionid;
	unsigned short binding;

	int teardown;
	struct capwap_dtls ctrldtls;
	struct capwap_dtls datadtls;

	pthread_t threadid;

	capwap_event_t waitpacket;
	capwap_lock_t sessionlock;
	struct capwap_list* actionsession;
	struct capwap_list* controlpackets;
	struct capwap_list* datapackets;

	unsigned char localseqnumber;
	unsigned char remoteseqnumber;
	unsigned short mtu;
	unsigned short fragmentid;
	struct capwap_packet_rxmng* rxmngctrlpacket;
	struct capwap_packet_rxmng* rxmngdatapacket;
	struct capwap_list* requestfragmentpacket;
	struct capwap_list* responsefragmentpacket;
	unsigned char lastrecvpackethash[16];

	unsigned long state;
};

/* */
void* ac_session_thread(void* param);
void ac_session_send_action(struct ac_session_t* session, long action, long param, void* data, long length);

/* */
int ac_has_sessionid(struct capwap_sessionid_element* sessionid);
struct ac_session_t* ac_search_session_from_sessionid(struct capwap_sessionid_element* sessionid);
int ac_has_wtpid(const char* wtpid);
struct ac_session_t* ac_search_session_from_wtpid(const char* wtpid);

/* */
char* ac_get_printable_wtpid(struct capwap_wtpboarddata_element* wtpboarddata);

/* */
void ac_session_reset(struct ac_session_t* session, struct capwap_imageidentifier_element* startupimage);
void ac_session_teardown(struct ac_session_t* session);
void ac_session_close(struct ac_session_t* session);
void ac_session_release_reference(struct ac_session_t* session);

/* */
void ac_dfa_change_state(struct ac_session_t* session, int state);

/* */
void ac_get_control_information(struct capwap_list* controllist);

/* */
void ac_free_reference_last_request(struct ac_session_t* session);
void ac_free_reference_last_response(struct ac_session_t* session);

/* */
int ac_session_msgqueue_init(void);
void ac_session_msgqueue_free(void);
void ac_session_msgqueue_notify_closethread(pthread_t threadid);

/* */
int ac_bio_send(struct capwap_dtls* dtls, char* buffer, int length, void* param);
int ac_dtls_setup(struct ac_session_t* session);

/* */
void ac_dfa_state_join(struct ac_session_t* session, struct capwap_parsed_packet* packet);
void ac_dfa_state_postjoin(struct ac_session_t* session, struct capwap_parsed_packet* packet);
void ac_dfa_state_configure(struct ac_session_t* session, struct capwap_parsed_packet* packet);
void ac_dfa_state_datacheck(struct ac_session_t* session, struct capwap_parsed_packet* packet);
void ac_dfa_state_datacheck_to_run(struct ac_session_t* session, struct capwap_parsed_packet* packet);
void ac_dfa_state_imagedata(struct ac_session_t* session, struct capwap_parsed_packet* packet);
void ac_dfa_state_run(struct ac_session_t* session, struct capwap_parsed_packet* packet);
void ac_dfa_state_reset(struct ac_session_t* session, struct capwap_parsed_packet* packet);
void ac_dfa_state_teardown(struct ac_session_t* session);

/* Soap function */
struct ac_soap_response* ac_session_send_soap_request(struct ac_session_t* session, char* method, int numparam, ...);
#define ac_soap_authorizewtpsession(s, wtpid)								ac_session_send_soap_request((s), "authorizeWTPSession", 1, "xs:string", "idwtp", wtpid)
#define ac_soap_joinwtpsession(s, wtpid, joinparam)							ac_session_send_soap_request((s), "joinWTPSession", 2, "xs:string", "idwtp", wtpid, "xs:base64Binary", "join", joinparam)
#define ac_soap_configurestatuswtpsession(s, wtpid, confstatusparam)		ac_session_send_soap_request((s), "configureStatusWTPSession", 2, "xs:string", "idwtp", wtpid, "xs:base64Binary", "confstatus", confstatusparam)
#define ac_soap_changestatewtpsession(s, wtpid, changestateparam)			ac_session_send_soap_request((s), "changeStateWTPSession", 2, "xs:string", "idwtp", wtpid, "xs:base64Binary", "changestate", changestateparam)
#define ac_soap_runningwtpsession(s, wtpid)									ac_session_send_soap_request((s), "runningWTPSession", 1, "xs:string", "idwtp", wtpid)
#define ac_soap_teardownwtpsession(s, wtpid)								ac_session_send_soap_request((s), "teardownWTPSession", 1, "xs:string", "idwtp", wtpid)
#define ac_soap_checkwtpsession(s, wtpid)									ac_session_send_soap_request((s), "checkWTPSession", 1, "xs:string", "idwtp", wtpid)

#endif /* __AC_SESSION_HEADER__ */