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Improved the management of soap request/response.

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The director has the opportunity to change the configuration of AC in join
connection. The virtual interfaces which encapsulate the wifi stations is
managed dynamically by the Director.
The AC must request authorization from Director for associate a station.
This commit is contained in:
vemax78
2014-10-19 21:37:22 +02:00
parent 63f5fcea19
commit 8937ded1d3
24 changed files with 1049 additions and 549 deletions
Download Patch File Download Diff File Expand all files Collapse all files

105
src/ac/ac_wlans.c
View File

@ -3,25 +3,6 @@
#include "ac_wlans.h"
#include "ac_backend.h"
/* */
static void ac_stations_delete_station_from_global_cache(struct ac_session_t* session, uint8_t* address) {
struct ac_session_t* ownersession;
ASSERT(session != NULL);
ASSERT(address != NULL);
/* */
capwap_rwlock_wrlock(&g_ac.stationslock);
/* Can delete global reference only if match session handler */
ownersession = (struct ac_session_t*)capwap_hash_search(g_ac.stations, address);
if (ownersession == session) {
capwap_hash_delete(g_ac.stations, address);
}
capwap_rwlock_exit(&g_ac.stationslock);
}
/* */
static void ac_stations_reset_station(struct ac_session_t* session, struct ac_station* station, struct ac_wlan* wlan) {
ASSERT(session != NULL);
@ -58,14 +39,24 @@ static void ac_stations_reset_station(struct ac_session_t* session, struct ac_st
/* */
static void ac_stations_destroy_station(struct ac_session_t* session, struct ac_station* station) {
struct ac_station* authoritativestation;
ASSERT(session != NULL);
ASSERT(station != NULL);
/* */
capwap_logging_info("Destroy station: %s", station->addrtext);
/* Remove reference from Global Cache Stations List */
ac_stations_delete_station_from_global_cache(session, station->address);
/* Remove reference from Authoritative Stations List */
capwap_rwlock_wrlock(&g_ac.authstationslock);
/* Can delete global reference only if match session handler */
authoritativestation = (struct ac_station*)capwap_hash_search(g_ac.authstations, station->address);
if (authoritativestation && (authoritativestation->session == session)) {
capwap_hash_delete(g_ac.authstations, station->address);
}
capwap_rwlock_unlock(&g_ac.authstationslock);
/* Remove reference from WLAN */
ac_stations_reset_station(session, station, NULL);
@ -78,14 +69,22 @@ static void ac_stations_destroy_station(struct ac_session_t* session, struct ac_
}
/* */
static unsigned long ac_wlans_item_gethash(const void* key, unsigned long keysize, unsigned long hashsize) {
static unsigned long ac_wlans_item_gethash(const void* key, unsigned long hashsize) {
uint8_t* macaddress = (uint8_t*)key;
ASSERT(keysize == MACADDRESS_EUI48_LENGTH);
return (unsigned long)(macaddress[3] ^ macaddress[4] ^ macaddress[5]);
}
/* */
static const void* ac_wlans_item_getkey(const void* data) {
return (const void*)((struct ac_station*)data)->address;
}
/* */
static int ac_wlans_item_cmp(const void* key1, const void* key2) {
return memcmp(key1, key2, MACADDRESS_EUI48_LENGTH);
}
/* */
void ac_wlans_init(struct ac_session_t* session) {
int i;
@ -98,7 +97,11 @@ void ac_wlans_init(struct ac_session_t* session) {
memset(session->wlans, 0, sizeof(struct ac_wlans));
/* */
session->wlans->stations = capwap_hash_create(AC_WLANS_STATIONS_HASH_SIZE, AC_WLANS_STATIONS_KEY_SIZE, ac_wlans_item_gethash, NULL, NULL);
session->wlans->stations = capwap_hash_create(AC_WLANS_STATIONS_HASH_SIZE);
session->wlans->stations->item_gethash = ac_wlans_item_gethash;
session->wlans->stations->item_getkey = ac_wlans_item_getkey;
session->wlans->stations->item_cmp = ac_wlans_item_cmp;
for (i = 0; i < RADIOID_MAX_COUNT; i++) {
session->wlans->devices[i].radioid = i + 1;
}
@ -326,9 +329,9 @@ struct ac_station* ac_stations_create_station(struct ac_session_t* session, uint
char buffer1[CAPWAP_MACADDRESS_EUI48_BUFFER];
char buffer2[CAPWAP_MACADDRESS_EUI48_BUFFER];
struct ac_wlan* wlan;
struct ac_session_t* ownersession;
struct capwap_list_item* stationitem;
struct ac_station* authoritativestation;
struct ac_station* station = NULL;
struct ac_session_t* authoritativesession = NULL;
ASSERT(session != NULL);
ASSERT(session->wlans != NULL);
@ -344,28 +347,10 @@ struct ac_station* ac_stations_create_station(struct ac_session_t* session, uint
/* */
wlan = ac_wlans_get_bssid(session, radioid, bssid);
if (wlan) {
/* Get session that owns the station */
capwap_rwlock_rdlock(&g_ac.stationslock);
ownersession = (struct ac_session_t*)capwap_hash_search(g_ac.stations, address);
capwap_rwlock_exit(&g_ac.stationslock);
/* If request change owner of station */
if (ownersession != session) {
/* Release station from old owner */
if (ownersession) {
ac_session_send_action(ownersession, AC_SESSION_ACTION_STATION_ROAMING, 0, (void*)address, MACADDRESS_EUI48_LENGTH);
}
/* Set station into Global Cache Stations List */
capwap_rwlock_wrlock(&g_ac.stationslock);
capwap_hash_add(g_ac.stations, address, session);
capwap_rwlock_exit(&g_ac.stationslock);
}
/* */
station = (struct ac_station*)capwap_hash_search(session->wlans->stations, address);
if (!station) {
stationitem = capwap_itemlist_create(sizeof(struct ac_station));
struct capwap_list_item* stationitem = capwap_itemlist_create(sizeof(struct ac_station));
station = (struct ac_station*)stationitem->item;
memset(station, 0, sizeof(struct ac_station));
@ -374,14 +359,38 @@ struct ac_station* ac_stations_create_station(struct ac_session_t* session, uint
memcpy(station->address, address, MACADDRESS_EUI48_LENGTH);
capwap_printf_macaddress(station->addrtext, address, MACADDRESS_EUI48_LENGTH);
station->wlanitem = stationitem;
station->session = session;
/* */
capwap_hash_add(session->wlans->stations, address, station);
capwap_hash_add(session->wlans->stations, (void*)station);
}
/* Set station to WLAN */
ac_stations_reset_station(session, station, wlan);
station->flags |= AC_STATION_FLAGS_ENABLED;
/* Check Authoritative Stations List */
capwap_rwlock_rdlock(&g_ac.authstationslock);
authoritativestation = (struct ac_station*)capwap_hash_search(g_ac.authstations, address);
if (authoritativestation && authoritativestation->session) {
authoritativesession = authoritativestation->session;
}
capwap_rwlock_unlock(&g_ac.authstationslock);
/* Check Authoritative Session */
if (authoritativesession != session) {
/* Update Authoritative Stations List */
capwap_rwlock_wrlock(&g_ac.authstationslock);
capwap_hash_add(g_ac.authstations, (void*)station);
capwap_rwlock_unlock(&g_ac.authstationslock);
/* Release Station from old Authoritative Session */
if (authoritativesession) {
ac_session_send_action(authoritativesession, AC_SESSION_ACTION_STATION_ROAMING, 0, (void*)address, MACADDRESS_EUI48_LENGTH);
}
}
} else {
capwap_logging_warning("Unable to find radioid: %d, bssid: %s", (int)radioid, buffer1);
}