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Improve memory administration for tx/rx packet manager

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This commit is contained in:
vemax78
2013-05-27 21:33:23 +02:00
parent 9157cc278b
commit 6c55b4d71f
126 changed files with 5383 additions and 7894 deletions
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672
src/wtp/wtp_dfa.c
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@ -13,17 +13,333 @@ static void wtp_signal_handler(int signum) {
}
}
/* */
static struct capwap_packet_rxmng* wtp_get_packet_rxmng(int isctrlmsg) {
struct capwap_packet_rxmng* rxmngpacket = NULL;
if (isctrlmsg) {
if (!g_wtp.rxmngctrlpacket) {
g_wtp.rxmngctrlpacket = capwap_packet_rxmng_create_message(1);
}
rxmngpacket = g_wtp.rxmngctrlpacket;
} else {
if (!g_wtp.rxmngdatapacket) {
g_wtp.rxmngdatapacket = capwap_packet_rxmng_create_message(0);
}
rxmngpacket = g_wtp.rxmngdatapacket;
}
return rxmngpacket;
}
/* */
static void wtp_free_packet_rxmng(int isctrlmsg) {
if (isctrlmsg && g_wtp.rxmngctrlpacket) {
capwap_packet_rxmng_free(g_wtp.rxmngctrlpacket);
g_wtp.rxmngctrlpacket = NULL;
} else if (!isctrlmsg && g_wtp.rxmngdatapacket) {
capwap_packet_rxmng_free(g_wtp.rxmngdatapacket);
g_wtp.rxmngdatapacket = NULL;
}
}
/* */
void wtp_send_invalid_request(struct capwap_packet_rxmng* rxmngpacket, struct capwap_connection* connection) {
struct capwap_header_data capwapheader;
struct capwap_packet_txmng* txmngpacket;
struct capwap_list* responsefragmentpacket;
struct capwap_fragment_packet_item* packet;
struct capwap_header* header;
struct capwap_resultcode_element resultcode = { .code = CAPWAP_RESULTCODE_MSG_UNEXPECTED_UNRECOGNIZED_REQUEST };
ASSERT(rxmngpacket != NULL);
ASSERT(rxmngpacket->fragmentlist->first != NULL);
ASSERT(connection != NULL);
/* */
packet = (struct capwap_fragment_packet_item*)rxmngpacket->fragmentlist->first->item;
header = (struct capwap_header*)packet->buffer;
/* Odd message type, response with "Unrecognized Request" */
capwap_header_init(&capwapheader, CAPWAP_RADIOID_NONE, GET_WBID_HEADER(header));
txmngpacket = capwap_packet_txmng_create_ctrl_message(&capwapheader, rxmngpacket->ctrlmsg.type + 1, rxmngpacket->ctrlmsg.seq, g_wtp.mtu);
/* Add message element */
capwap_packet_txmng_add_message_element(txmngpacket, CAPWAP_ELEMENT_RESULTCODE, &resultcode);
/* Unknown response complete, get fragment packets */
responsefragmentpacket = capwap_list_create();
capwap_packet_txmng_get_fragment_packets(txmngpacket, responsefragmentpacket, g_wtp.fragmentid);
if (responsefragmentpacket->count > 1) {
g_wtp.fragmentid++;
}
/* Free packets manager */
capwap_packet_txmng_free(txmngpacket);
/* Send unknown response */
capwap_crypt_sendto_fragmentpacket(&g_wtp.ctrldtls, connection->socket.socket[connection->socket.type], responsefragmentpacket, &connection->localaddr, &connection->remoteaddr);
/* Don't buffering a packets sent */
capwap_list_free(responsefragmentpacket);
}
/* WTP Execute state */
static int wtp_dfa_execute(struct capwap_parsed_packet* packet, struct timeout_control* timeout) {
int action = WTP_DFA_NO_PACKET;
switch (g_wtp.dfa.state) {
case CAPWAP_IDLE_STATE: {
action = wtp_dfa_state_idle(packet, timeout);
break;
}
case CAPWAP_IDLE_TO_DISCOVERY_STATE: {
action = wtp_dfa_state_idle_to_discovery(packet, timeout);
break;
}
case CAPWAP_IDLE_TO_DTLS_SETUP_STATE: {
action = wtp_dfa_state_idle_to_dtlssetup(packet, timeout);
break;
}
case CAPWAP_DISCOVERY_STATE: {
action = wtp_dfa_state_discovery(packet, timeout);
break;
}
case CAPWAP_DISCOVERY_TO_SULKING_STATE: {
action = wtp_dfa_state_discovery_to_sulking(packet, timeout);
break;
}
case CAPWAP_DISCOVERY_TO_DTLS_SETUP_STATE: {
action = wtp_dfa_state_discovery_to_dtlssetup(packet, timeout);
break;
}
case CAPWAP_SULKING_STATE: {
action = wtp_dfa_state_sulking(packet, timeout);
break;
}
case CAPWAP_SULKING_TO_IDLE_STATE: {
action = wtp_dfa_state_sulking_to_idle(packet, timeout);
break;
}
case CAPWAP_DTLS_SETUP_STATE: {
action = wtp_dfa_state_dtlssetup(packet, timeout);
break;
}
case CAPWAP_DTLS_SETUP_TO_IDLE_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_DTLS_SETUP_TO_SULKING_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_DTLS_SETUP_TO_AUTHORIZE_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_AUTHORIZE_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_AUTHORIZE_TO_DTLS_SETUP_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_AUTHORIZE_TO_DTLS_CONNECT_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_AUTHORIZE_TO_DTLS_TEARDOWN_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_DTLS_CONNECT_STATE: {
action = wtp_dfa_state_dtlsconnect(packet, timeout);
break;
}
case CAPWAP_DTLS_CONNECT_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_dtlsconnect_to_dtlsteardown(packet, timeout);
break;
}
case CAPWAP_DTLS_CONNECT_TO_JOIN_STATE: {
action = wtp_dfa_state_dtlsconnect_to_join(packet, timeout);
break;
}
case CAPWAP_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_dtlsteardown(packet, timeout);
break;
}
case CAPWAP_DTLS_TEARDOWN_TO_IDLE_STATE: {
action = wtp_dfa_state_dtlsteardown_to_idle(packet, timeout);
break;
}
case CAPWAP_DTLS_TEARDOWN_TO_SULKING_STATE: {
action = wtp_dfa_state_dtlsteardown_to_sulking(packet, timeout);
break;
}
case CAPWAP_JOIN_STATE: {
action = wtp_dfa_state_join(packet, timeout);
break;
}
case CAPWAP_JOIN_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_join_to_dtlsteardown(packet, timeout);
break;
}
case CAPWAP_JOIN_TO_IMAGE_DATA_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_JOIN_TO_CONFIGURE_STATE: {
action = wtp_dfa_state_join_to_configure(packet, timeout);
break;
}
case CAPWAP_IMAGE_DATA_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_IMAGE_DATA_TO_RESET_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_IMAGE_DATA_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_imagedata_to_dtlsteardown(packet, timeout);
break;
}
case CAPWAP_CONFIGURE_STATE: {
action = wtp_dfa_state_configure(packet, timeout);
break;
}
case CAPWAP_CONFIGURE_TO_RESET_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_CONFIGURE_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_configure_to_dtlsteardown(packet, timeout);
break;
}
case CAPWAP_CONFIGURE_TO_DATA_CHECK_STATE: {
action = wtp_dfa_state_configure_to_datacheck(packet, timeout);
break;
}
case CAPWAP_RESET_STATE: {
action = wtp_dfa_state_reset(packet, timeout);
break;
}
case CAPWAP_RESET_TO_DTLS_TEARDOWN_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_DATA_CHECK_STATE: {
action = wtp_dfa_state_datacheck(packet, timeout);
break;
}
case CAPWAP_DATA_CHECK_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_datacheck_to_dtlsteardown(packet, timeout);
break;
}
case CAPWAP_DATA_CHECK_TO_RUN_STATE: {
action = wtp_dfa_state_datacheck_to_run(packet, timeout);
break;
}
case CAPWAP_RUN_STATE: {
action = wtp_dfa_state_run(packet, timeout);
break;
}
case CAPWAP_RUN_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_run_to_dtlsteardown(packet, timeout);
break;
}
case CAPWAP_RUN_TO_RESET_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_DEAD_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
default: {
capwap_logging_debug("Unknown action event: %lu", g_wtp.dfa.state);
break;
}
}
return action;
}
/* WTP state machine */
int wtp_dfa_execute(void) {
int wtp_dfa_running(void) {
int res;
int result = CAPWAP_SUCCESSFUL;
int action = WTP_DFA_NO_PACKET;
struct timeout_control timeout;
struct capwap_packet packet;
capwap_fragment_list* defraglist;
char buffer[CAPWAP_MAX_PACKET_SIZE];
char bufferencrypt[CAPWAP_MAX_PACKET_SIZE];
char bufferplain[CAPWAP_MAX_PACKET_SIZE];
char* buffer;
int buffersize;
struct capwap_socket socket;
struct capwap_connection connection;
struct capwap_parsed_packet packet;
int index;
struct sockaddr_storage recvfromaddr;
struct sockaddr_storage recvtoaddr;
@ -36,8 +352,7 @@ int wtp_dfa_execute(void) {
capwap_init_timeout(&timeout);
capwap_set_timeout(0, &timeout, CAPWAP_TIMER_CONTROL_CONNECTION); /* Start DFA with timeout */
memset(&packet, 0, sizeof(struct capwap_packet));
defraglist = capwap_defragment_init_list();
memset(&packet, 0, sizeof(struct capwap_parsed_packet));
/* Configure poll struct */
fdscount = CAPWAP_MAX_SOCKETS * 2;
@ -59,6 +374,7 @@ int wtp_dfa_execute(void) {
/* If request wait packet from AC */
isrecvpacket = 0;
if ((action == WTP_DFA_ACCEPT_PACKET) || (action == WTP_DFA_DROP_PACKET)) {
buffer = bufferencrypt;
buffersize = CAPWAP_MAX_PACKET_SIZE;
index = capwap_recvfrom(fds, fdscount, buffer, &buffersize, &recvfromaddr, &recvtoaddr, &timeout);
if (!g_wtp.running) {
@ -71,24 +387,25 @@ int wtp_dfa_execute(void) {
continue;
} else {
int check;
/* Check of packet */
capwap_get_network_socket(&g_wtp.net, &packet.socket, fds[index].fd);
check = capwap_sanity_check(packet.socket.isctrlsocket, g_wtp.dfa.state, buffer, buffersize, g_wtp.ctrldtls.enable, g_wtp.datadtls.enable);
capwap_get_network_socket(&g_wtp.net, &socket, fds[index].fd);
check = capwap_sanity_check(socket.isctrlsocket, g_wtp.dfa.state, buffer, buffersize, g_wtp.ctrldtls.enable, g_wtp.datadtls.enable);
if (check == CAPWAP_DTLS_PACKET) {
struct capwap_dtls* dtls = (packet.socket.isctrlsocket ? &g_wtp.ctrldtls : &g_wtp.datadtls);
struct capwap_dtls* dtls = (socket.isctrlsocket ? &g_wtp.ctrldtls : &g_wtp.datadtls);
if (dtls->enable) {
int oldaction = dtls->action;
/* Decrypt packet */
buffersize = capwap_decrypt_packet(dtls, buffer, buffersize, NULL, CAPWAP_MAX_PACKET_SIZE);
buffersize = capwap_decrypt_packet(dtls, buffer, buffersize, bufferplain, CAPWAP_MAX_PACKET_SIZE);
if (buffersize > 0) {
buffer = bufferplain;
check = CAPWAP_PLAIN_PACKET;
} else if (buffersize == CAPWAP_ERROR_AGAIN) {
/* Check is handshake complete */
if ((oldaction == CAPWAP_DTLS_ACTION_HANDSHAKE) && (dtls->action == CAPWAP_DTLS_ACTION_DATA)) {
if (packet.socket.isctrlsocket) {
if (socket.isctrlsocket) {
if (g_wtp.dfa.state == CAPWAP_DTLS_CONNECT_STATE) {
check = CAPWAP_NONE_PACKET;
wtp_dfa_change_state(CAPWAP_DTLS_CONNECT_TO_JOIN_STATE);
@ -127,49 +444,88 @@ int wtp_dfa_execute(void) {
/* */
if (check == CAPWAP_PLAIN_PACKET) {
/* If request, defragmentation packet */
check = capwap_defragment_packets(&recvfromaddr, buffer, buffersize, defraglist, &packet);
if (check == CAPWAP_REQUEST_MORE_FRAGMENT) {
continue;
} else if (check != CAPWAP_RECEIVE_COMPLETE_PACKET) {
/* Discard fragments */
capwap_defragment_remove_sender(defraglist, &recvfromaddr);
continue;
}
struct capwap_packet_rxmng* rxmngpacket;
/* Detect local address */
if (recvtoaddr.ss_family == AF_UNSPEC) {
if (capwap_get_localaddress_by_remoteaddress(&recvtoaddr, &recvfromaddr, g_wtp.net.bind_interface, (!(g_wtp.net.bind_ctrl_flags & CAPWAP_IPV6ONLY_FLAG) ? 1 : 0))) {
struct sockaddr_storage sockinfo;
socklen_t sockinfolen = sizeof(struct sockaddr_storage);
memset(&sockinfo, 0, sizeof(struct sockaddr_storage));
if (getsockname(fds[index].fd, (struct sockaddr*)&sockinfo, &sockinfolen) < 0) {
break;
}
CAPWAP_SET_NETWORK_PORT(&recvtoaddr, CAPWAP_GET_NETWORK_PORT(&sockinfo));
}
}
/* Receive a complete packet */
isrecvpacket = 1;
memcpy(&packet.localaddr, &recvtoaddr, sizeof(struct sockaddr_storage));
memcpy(&packet.remoteaddr, &recvfromaddr, sizeof(struct sockaddr_storage));
/* */
if (socket.isctrlsocket) {
capwap_logging_debug("Receive control packet");
} else {
capwap_logging_debug("Receive data packet");
}
/* Defragment management */
rxmngpacket = wtp_get_packet_rxmng(socket.isctrlsocket);
/* If request, defragmentation packet */
check = capwap_packet_rxmng_add_recv_packet(rxmngpacket, buffer, buffersize);
if (check == CAPWAP_REQUEST_MORE_FRAGMENT) {
continue;
} else if (check != CAPWAP_RECEIVE_COMPLETE_PACKET) {
/* Discard fragments */
wtp_free_packet_rxmng(socket.isctrlsocket);
continue;
}
/* Receive all fragment */
memcpy(&connection.socket, &socket, sizeof(struct capwap_socket));
memcpy(&connection.localaddr, &recvtoaddr, sizeof(struct sockaddr_storage));
memcpy(&connection.remoteaddr, &recvfromaddr, sizeof(struct sockaddr_storage));
/* Check for already response to packet */
if (packet.socket.isctrlsocket) {
if (capwap_recv_retrasmitted_request(&g_wtp.ctrldtls, &packet, g_wtp.remoteseqnumber, g_wtp.lastrecvpackethash, &g_wtp.acctrlsock, g_wtp.responsefragmentpacket, &g_wtp.wtpctrladdress, &g_wtp.acctrladdress)) {
capwap_free_packet(&packet);
if (socket.isctrlsocket) {
if (capwap_recv_retrasmitted_request(&g_wtp.ctrldtls, rxmngpacket, &connection, g_wtp.lastrecvpackethash, g_wtp.responsefragmentpacket)) {
wtp_free_packet_rxmng(socket.isctrlsocket);
capwap_logging_debug("Retrasmitted packet");
continue;
}
/* Check message type */
if (!capwap_check_message_type(&g_wtp.ctrldtls, &packet, g_wtp.mtu)) {
capwap_free_packet(&packet);
res = capwap_check_message_type(rxmngpacket);
if (res != VALID_MESSAGE_TYPE) {
if (res == INVALID_REQUEST_MESSAGE_TYPE) {
wtp_send_invalid_request(rxmngpacket, &connection);
}
capwap_logging_debug("Invalid message type");
wtp_free_packet_rxmng(socket.isctrlsocket);
continue;
}
}
/* Parsing packet */
if (capwap_parsing_packet(rxmngpacket, &connection, &packet)) {
capwap_free_parsed_packet(&packet);
wtp_free_packet_rxmng(socket.isctrlsocket);
capwap_logging_debug("Failed parsing packet");
continue;
}
/* Validate packet */
if (capwap_validate_parsed_packet(&packet, NULL)) {
/* TODO gestione errore risposta */
capwap_free_parsed_packet(&packet);
wtp_free_packet_rxmng(socket.isctrlsocket);
capwap_logging_debug("Failed validation parsed packet");
continue;
}
/* Receive a complete packet */
isrecvpacket = 1;
}
}
} else if (index == CAPWAP_RECV_ERROR_INTR) {
@ -182,242 +538,12 @@ int wtp_dfa_execute(void) {
}
/* Execute state */
switch (g_wtp.dfa.state) {
case CAPWAP_IDLE_STATE: {
action = wtp_dfa_state_idle((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_IDLE_TO_DISCOVERY_STATE: {
action = wtp_dfa_state_idle_to_discovery((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_IDLE_TO_DTLS_SETUP_STATE: {
action = wtp_dfa_state_idle_to_dtlssetup((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DISCOVERY_STATE: {
action = wtp_dfa_state_discovery((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DISCOVERY_TO_SULKING_STATE: {
action = wtp_dfa_state_discovery_to_sulking((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DISCOVERY_TO_DTLS_SETUP_STATE: {
action = wtp_dfa_state_discovery_to_dtlssetup((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_SULKING_STATE: {
action = wtp_dfa_state_sulking((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_SULKING_TO_IDLE_STATE: {
action = wtp_dfa_state_sulking_to_idle((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DTLS_SETUP_STATE: {
action = wtp_dfa_state_dtlssetup((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DTLS_SETUP_TO_IDLE_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_DTLS_SETUP_TO_SULKING_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_DTLS_SETUP_TO_AUTHORIZE_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_AUTHORIZE_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_AUTHORIZE_TO_DTLS_SETUP_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_AUTHORIZE_TO_DTLS_CONNECT_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_AUTHORIZE_TO_DTLS_TEARDOWN_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_DTLS_CONNECT_STATE: {
action = wtp_dfa_state_dtlsconnect((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DTLS_CONNECT_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_dtlsconnect_to_dtlsteardown((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DTLS_CONNECT_TO_JOIN_STATE: {
action = wtp_dfa_state_dtlsconnect_to_join((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_dtlsteardown((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DTLS_TEARDOWN_TO_IDLE_STATE: {
action = wtp_dfa_state_dtlsteardown_to_idle((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DTLS_TEARDOWN_TO_SULKING_STATE: {
action = wtp_dfa_state_dtlsteardown_to_sulking((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_JOIN_STATE: {
action = wtp_dfa_state_join((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_JOIN_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_join_to_dtlsteardown((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_JOIN_TO_IMAGE_DATA_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_JOIN_TO_CONFIGURE_STATE: {
action = wtp_dfa_state_join_to_configure((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_IMAGE_DATA_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_IMAGE_DATA_TO_RESET_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_IMAGE_DATA_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_imagedata_to_dtlsteardown((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_CONFIGURE_STATE: {
action = wtp_dfa_state_configure((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_CONFIGURE_TO_RESET_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_CONFIGURE_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_configure_to_dtlsteardown((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_CONFIGURE_TO_DATA_CHECK_STATE: {
action = wtp_dfa_state_configure_to_datacheck((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_RESET_STATE: {
action = wtp_dfa_state_reset((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_RESET_TO_DTLS_TEARDOWN_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
case CAPWAP_DATA_CHECK_STATE: {
action = wtp_dfa_state_datacheck((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DATA_CHECK_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_datacheck_to_dtlsteardown((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_DATA_CHECK_TO_RUN_STATE: {
action = wtp_dfa_state_datacheck_to_run((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_RUN_STATE: {
action = wtp_dfa_state_run((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_RUN_TO_DTLS_TEARDOWN_STATE: {
action = wtp_dfa_state_run_to_dtlsteardown((isrecvpacket ? &packet : NULL), &timeout);
break;
}
case CAPWAP_RUN_TO_RESET_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
action = wtp_dfa_execute((isrecvpacket ? &packet : NULL), &timeout);
case CAPWAP_DEAD_STATE: {
/* Never called with this state */
ASSERT(0);
break;
}
default: {
capwap_logging_debug("Unknown action event: %lu", g_wtp.dfa.state);
break;
}
}
/* Free memory */
capwap_free_parsed_packet(&packet);
if (isrecvpacket) {
capwap_free_packet(&packet);
} else {
capwap_defragment_flush_list(defraglist);
wtp_free_packet_rxmng(socket.isctrlsocket);
}
}
@ -434,8 +560,10 @@ int wtp_dfa_execute(void) {
}
/* Free memory */
capwap_defragment_free_list(defraglist);
wtp_free_packet_rxmng(0);
wtp_free_packet_rxmng(1);
capwap_free(fds);
return result;
}
@ -449,11 +577,11 @@ void wtp_dfa_change_state(int state) {
/* */
void wtp_free_reference_last_request(void) {
capwap_fragment_free(g_wtp.requestfragmentpacket);
capwap_list_flush(g_wtp.requestfragmentpacket);
}
/* */
void wtp_free_reference_last_response(void) {
capwap_fragment_free(g_wtp.responsefragmentpacket);
capwap_list_flush(g_wtp.responsefragmentpacket);
memset(&g_wtp.lastrecvpackethash[0], 0, sizeof(g_wtp.lastrecvpackethash));
}