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Reengineering the timeout manager. Allows to create an arbitrary number of timer

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with the possibility to invoke a callback function on timeout.
This commit is contained in:
vemax78
2014-03-02 19:31:27 +01:00
parent aa87719432
commit 6042161d75
31 changed files with 1259 additions and 1138 deletions
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75
src/wtp/wtp_dfa_dtls.c
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@ -2,6 +2,11 @@
#include "capwap_dfa.h"
#include "wtp_dfa.h"
/* */
static void wtp_dfa_state_dtlsconnect_timeout(struct capwap_timeout* timeout, unsigned long index, void* context, void* param) {
wtp_teardown_connection();
}
/* DTLS BIO send */
int wtp_bio_send(struct capwap_dtls* dtls, char* buffer, int length, void* param) {
struct capwap_socket* socket = ((dtls->session == CAPWAP_DTLS_CONTROL_SESSION) ? &g_wtp.acctrlsock : &g_wtp.acdatasock);
@ -15,15 +20,15 @@ int wtp_bio_send(struct capwap_dtls* dtls, char* buffer, int length, void* param
void wtp_start_dtlssetup(void) {
/* Create DTLS session */
if (!capwap_crypt_createsession(&g_wtp.ctrldtls, CAPWAP_DTLS_CONTROL_SESSION, &g_wtp.dtlscontext, wtp_bio_send, NULL)) {
capwap_timeout_set(g_wtp.dfa.rfcSilentInterval, g_wtp.timeout, CAPWAP_TIMER_CONTROL_CONNECTION);
wtp_dfa_change_state(CAPWAP_SULKING_STATE);
capwap_timeout_set(g_wtp.timeout, g_wtp.idtimercontrol, WTP_SILENT_INTERVAL, wtp_dfa_state_sulking_timeout, NULL, NULL);
} else {
if (capwap_crypt_open(&g_wtp.ctrldtls, &g_wtp.acctrladdress) == CAPWAP_HANDSHAKE_ERROR) {
capwap_timeout_set(g_wtp.dfa.rfcSilentInterval, g_wtp.timeout, CAPWAP_TIMER_CONTROL_CONNECTION);
wtp_dfa_change_state(CAPWAP_SULKING_STATE);
capwap_timeout_set(g_wtp.timeout, g_wtp.idtimercontrol, WTP_SILENT_INTERVAL, wtp_dfa_state_sulking_timeout, NULL, NULL);
} else {
capwap_timeout_set(g_wtp.dfa.rfcWaitDTLS, g_wtp.timeout, CAPWAP_TIMER_CONTROL_CONNECTION);
wtp_dfa_change_state(CAPWAP_DTLS_CONNECT_STATE);
capwap_timeout_set(g_wtp.timeout, g_wtp.idtimercontrol, WTP_DTLS_INTERVAL, wtp_dfa_state_dtlsconnect_timeout, NULL, NULL);
}
}
}
@ -40,7 +45,7 @@ void wtp_start_datachannel(void) {
/* Create DTLS data session before send data keepalive */
if (capwap_crypt_createsession(&g_wtp.datadtls, CAPWAP_DTLS_DATA_SESSION, &g_wtp.dtlscontext, wtp_bio_send, NULL)) {
if (capwap_crypt_open(&g_wtp.datadtls, &g_wtp.acdataaddress) == CAPWAP_HANDSHAKE_CONTINUE) {
capwap_timeout_set(g_wtp.dfa.rfcWaitDTLS, g_wtp.timeout, CAPWAP_TIMER_CONTROL_CONNECTION); /* Wait complete dtls handshake */
capwap_timeout_set(g_wtp.timeout, g_wtp.idtimercontrol, WTP_DTLS_INTERVAL, wtp_dfa_state_dtlsconnect_timeout, NULL, NULL); /* Wait complete dtls handshake */
} else {
wtp_teardown_connection();
}
@ -73,10 +78,10 @@ void wtp_start_datachannel(void) {
g_wtp.acpreferedselected = 0;
/* Set timer */
capwap_timeout_kill(g_wtp.timeout, CAPWAP_TIMER_CONTROL_CONNECTION);
capwap_timeout_set(g_wtp.dfa.rfcEchoInterval, g_wtp.timeout, CAPWAP_TIMER_CONTROL_ECHO);
capwap_timeout_set(g_wtp.dfa.rfcDataChannelDeadInterval, g_wtp.timeout, CAPWAP_TIMER_DATA_KEEPALIVEDEAD);
wtp_dfa_change_state(CAPWAP_RUN_STATE);
capwap_timeout_unset(g_wtp.timeout, g_wtp.idtimercontrol);
capwap_timeout_set(g_wtp.timeout, g_wtp.idtimerecho, g_wtp.echointerval, wtp_dfa_state_run_echo_timeout, NULL, NULL);
capwap_timeout_set(g_wtp.timeout, g_wtp.idtimerkeepalivedead, WTP_DATACHANNEL_KEEPALIVEDEAD, wtp_dfa_state_run_keepalivedead_timeout, NULL, NULL);
} else {
/* Error to send packets */
capwap_logging_debug("Warning: error to send data channel keepalive packet");
@ -92,32 +97,8 @@ void wtp_start_datachannel(void) {
capwap_packet_txmng_free(txmngpacket);
}
/* Teardown connection */
void wtp_teardown_connection(void) {
g_wtp.teardown = 1;
/* DTSL Control */
if (g_wtp.ctrldtls.enable) {
capwap_crypt_close(&g_wtp.ctrldtls);
}
/* DTLS Data */
if (g_wtp.datadtls.enable) {
capwap_crypt_close(&g_wtp.datadtls);
}
/* */
capwap_timeout_killall(g_wtp.timeout);
capwap_timeout_set(g_wtp.dfa.rfcDTLSSessionDelete, g_wtp.timeout, CAPWAP_TIMER_CONTROL_CONNECTION);
wtp_dfa_change_state(CAPWAP_DTLS_TEARDOWN_STATE);
}
/* */
void wtp_dfa_state_dtlsteardown(struct capwap_parsed_packet* packet) {
if (packet) {
return;
}
static void wtp_dfa_state_dtlsteardown_timeout(struct capwap_timeout* timeout, unsigned long index, void* context, void* param) {
/* Free and reset resource */
if (g_wtp.ctrldtls.enable) {
capwap_crypt_freesession(&g_wtp.ctrldtls);
@ -142,11 +123,35 @@ void wtp_dfa_state_dtlsteardown(struct capwap_parsed_packet* packet) {
/* */
if (!g_wtp.running) {
wtp_dfa_change_state(CAPWAP_DEAD_STATE);
} else if ((g_wtp.dfa.rfcFailedDTLSSessionCount >= g_wtp.dfa.rfcMaxFailedDTLSSessionRetry) || (g_wtp.dfa.rfcFailedDTLSAuthFailCount >= g_wtp.dfa.rfcMaxFailedDTLSSessionRetry)) {
capwap_timeout_set(g_wtp.dfa.rfcSilentInterval, g_wtp.timeout, CAPWAP_TIMER_CONTROL_CONNECTION);
} else if ((g_wtp.faileddtlssessioncount >= WTP_FAILED_DTLS_SESSION_RETRY) || (g_wtp.faileddtlsauthfailcount >= WTP_FAILED_DTLS_SESSION_RETRY)) {
wtp_dfa_change_state(CAPWAP_SULKING_STATE);
capwap_timeout_set(g_wtp.timeout, g_wtp.idtimercontrol, WTP_SILENT_INTERVAL, wtp_dfa_state_sulking_timeout, NULL, NULL);
} else {
capwap_timeout_set(0, g_wtp.timeout, CAPWAP_TIMER_CONTROL_CONNECTION);
wtp_dfa_change_state(CAPWAP_IDLE_STATE);
wtp_dfa_state_idle();
}
}
/* */
void wtp_dfa_state_dtlsteardown(struct capwap_parsed_packet* packet) {
}
/* Teardown connection */
void wtp_teardown_connection(void) {
g_wtp.teardown = 1;
/* DTSL Control */
if (g_wtp.ctrldtls.enable) {
capwap_crypt_close(&g_wtp.ctrldtls);
}
/* DTLS Data */
if (g_wtp.datadtls.enable) {
capwap_crypt_close(&g_wtp.datadtls);
}
/* */
wtp_dfa_change_state(CAPWAP_DTLS_TEARDOWN_STATE);
capwap_timeout_unsetall(g_wtp.timeout);
capwap_timeout_set(g_wtp.timeout, g_wtp.idtimercontrol, WTP_DTLS_SESSION_DELETE, wtp_dfa_state_dtlsteardown_timeout, NULL, NULL);
}