170 lines
3.7 KiB
C
170 lines
3.7 KiB
C
#ifndef __CAPWAP_AC_HEADER__
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#define __CAPWAP_AC_HEADER__
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/* standard include */
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#include "capwap.h"
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#include "capwap_network.h"
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#include "capwap_protocol.h"
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#include "capwap_event.h"
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#include "capwap_lock.h"
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#include "capwap_rwlock.h"
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#include "capwap_list.h"
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#include "capwap_hash.h"
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#include "capwap_element.h"
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#include <pthread.h>
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#include <linux/if_ether.h>
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#include <ac_kmod.h>
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/* AC Configuration */
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#define AC_DEFAULT_CONFIGURATION_FILE "/etc/capwap/ac.conf"
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#define AC_DEFAULT_MAXSTATION 128
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#define AC_DEFAULT_MAXSESSIONS 128
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/* AC runtime error return code */
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#define AC_ERROR_SYSTEM_FAILER -1000
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#define AC_ERROR_LOAD_CONFIGURATION -1001
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#define AC_ERROR_NETWORK -1002
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#define AC_ERROR_MEMORY_LEAK 1
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/* Min and max dfa values */
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#define AC_DTLS_INTERVAL 60000
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#define AC_JOIN_INTERVAL 60000
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#define AC_CHANGE_STATE_PENDING_INTERVAL 25000
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#define AC_DATA_CHECK_INTERVAL 30000
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#define AC_RETRANSMIT_INTERVAL 3000
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#define AC_MAX_RETRANSMIT 5
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#define AC_DTLS_SESSION_DELETE_INTERVAL 5000
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#define AC_MIN_ECHO_INTERVAL 1000
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#define AC_ECHO_INTERVAL 30000
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#define AC_MAX_ECHO_INTERVAL 256000
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#define AC_MAX_DATA_KEEPALIVE_INTERVAL 256000
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#define AC_MIN_DISCOVERY_INTERVAL 2000
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#define AC_DISCOVERY_INTERVAL 20000
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#define AC_MAX_DISCOVERY_INTERVAL 180000
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#define AC_DECRYPT_ERROR_PERIOD_INTERVAL 120000
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#define AC_IDLE_TIMEOUT_INTERVAL 300000
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#define AC_WTP_FALLBACK_MODE CAPWAP_WTP_FALLBACK_ENABLED
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/* */
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#define AC_STATIONS_HASH_SIZE 65536
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#define AC_STATIONS_KEY_SIZE MACADDRESS_EUI48_LENGTH
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/* */
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#define compat_json_object_object_get(obj, key) ({ \
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json_bool error; struct json_object* result = NULL; \
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error = json_object_object_get_ex(obj, key, &result); \
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(error ? result : NULL); \
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})
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/* */
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struct ac_state {
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struct capwap_ecnsupport_element ecn;
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struct capwap_transport_element transport;
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struct capwap_timers_element timers;
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unsigned short decrypterrorreport_interval;
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struct capwap_idletimeout_element idletimeout;
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struct capwap_wtpfallback_element wtpfallback;
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/* */
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struct capwap_acipv4list_element acipv4list;
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struct capwap_acipv6list_element acipv6list;
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};
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/* */
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struct ac_fds {
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int fdstotalcount;
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struct pollfd* fdspoll;
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int fdsnetworkcount;
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int msgqueuecount;
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int msgqueuestartpos;
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struct ac_kmod_event* kmodevents;
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int kmodeventscount;
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int kmodeventsstartpos;
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};
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/* AC */
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struct ac_t {
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int standalone;
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int running;
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/* */
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struct ac_state dfa;
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struct capwap_network net;
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struct capwap_list* addrlist;
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unsigned short mtu;
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struct capwap_array* binding;
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struct capwap_acname_element acname;
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struct capwap_acdescriptor_element descriptor;
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/* Sessions message queue */
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int fdmsgsessions[2];
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/* */
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struct ac_kmod_handle kmodhandle;
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/* Sessions */
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struct capwap_list* sessions;
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struct capwap_list* sessionsdata;
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struct capwap_list* sessionsthread;
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capwap_rwlock_t sessionslock;
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/* Stations */
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struct capwap_hash* stations;
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capwap_rwlock_t stationslock;
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/* Dtls */
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int enabledtls;
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struct capwap_dtls_context dtlscontext;
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/* Backend Management */
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char* backendacid;
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char* backendversion;
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struct capwap_array* availablebackends;
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};
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/* AC session thread */
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struct ac_session_thread_t {
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pthread_t threadid;
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};
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/* AC session message queue item */
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#define AC_MESSAGE_QUEUE_CLOSE_THREAD 1
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struct ac_session_msgqueue_item_t {
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unsigned long message;
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union {
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struct {
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pthread_t threadid;
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} message_close_thread;
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};
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};
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extern struct ac_t g_ac;
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/* Primary thread */
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int ac_execute(void);
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int ac_execute_update_fdspool(struct ac_fds* fds);
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int ac_valid_binding(unsigned short binding);
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void ac_update_statistics(void);
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#endif /* __CAPWAP_AC_HEADER__ */
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