bool FlowGrpIsEmpty(int flow_id)
{
bool ret;
FlowTblLock();
/* with or without group */
if (flow_tbl[flow_id].grp_id != -1) {
ret = GrpIsEmpty(flow_tbl[flow_id].grp_id);
}
else {
ret = FlowIsEmpty(flow_id);
}
FlowTblUnlock();
return ret;
}
static packet *TcpCaDissectorGrp(int flow_id)
{
int id;
packet *pkt;
tca_flow *init;
tca_flow *setup;
tca_flow *runing;
tca_flow *elem, *tmp;
bool loop, wpkt, all;
unsigned int flow_t;
struct timespec req;
unsigned long pkt_num;
/* init */
init = setup = runing = NULL;
loop = all = TRUE;
flow_t = 0;
req.tv_sec = 0;
req.tv_nsec = 50000000;
pthread_mutex_lock(&pthrs_mux);
for (id=0; id!=pthrs_dim; id++) {
if (prl_thrs_en[id] == 1) {
if (flow_id == prl_thrs[id]->flow_id)
break;
elem = prl_thrs[id]->nxt;
while (elem != NULL) {
if (flow_id == elem->flow_id) {
break;
}
elem = elem->nxt;
}
if (elem != NULL)
break;
}
}
if (id == pthrs_dim) {
LogPrintf(LV_FATAL, "Thread didn't seleced\n");
printf("Thread didn't seleced %i\n", flow_id);
for (id=0; id!=pthrs_dim; id++) {
if (prl_thrs_en[id] == 1)
printf("id: %i st: %i flw: %i\n", id, prl_thrs_en[id], prl_thrs[id]->flow_id);
}
exit(-1);
}
prl_thrs_en[id] = 2;
pthread_mutex_unlock(&pthrs_mux);
do {
wpkt = TRUE;
/* new flow */
pthread_mutex_lock(&pthrs_mux);
init = prl_thrs[id];
prl_thrs[id] = NULL;
pthread_mutex_unlock(&pthrs_mux);
while (init != NULL) {
flow_t++;
tmp = init->nxt;
init->nxt = setup;
if (setup != NULL) {
setup->pre = init;
}
setup = init;
TcpCaDisFlowInit(init);
init = tmp;
}
/* flow setup */
elem = setup;
while (elem != NULL) {
tmp = elem->nxt;
pkt = FlowGetPkt(elem->flow_id);
if (pkt != NULL) {
wpkt = FALSE;
do {
if (TcpCaDisFlowSetUp(elem, pkt) == 0) {
if (elem->nxt != NULL) {
elem->nxt->pre = elem->pre;
}
if (elem->pre != NULL) {
elem->pre->nxt = elem->nxt;
elem->pre = NULL;
}
else if (elem == setup) {
setup = elem->nxt;
}
elem->nxt = runing;
if (runing != NULL) {
runing->pre = elem;
}
runing = elem;
break;
}
pkt = FlowGetPkt(elem->flow_id);
} while (pkt != NULL);
}
else {
if (FlowIsEmpty(elem->flow_id)) {
flow_t--;
if (elem->nxt != NULL) {
elem->nxt->pre = elem->pre;
}
if (elem->pre != NULL) {
elem->pre->nxt = elem->nxt;
elem->pre = NULL;
}
else if (elem == setup) {
setup = elem->nxt;
}
TcpCaDisFlowEnd(elem);
}
}
elem = tmp;
}
/* flow elaboration */
elem = runing;
while (elem != NULL) {
if (all == FALSE) {
if (elem->pkt_elb == 0)
break;
}
tmp = elem->nxt;
pkt = FlowGetPkt(elem->flow_id);
if (pkt != NULL) {
pkt_num = 0;
wpkt = FALSE;
do {
pkt_num++;
TcpCaDisFlow(elem, pkt);
pkt = FlowGetPkt(elem->flow_id);
} while (pkt != NULL);
elem->pkt_elb = pkt_num;
FlowEval(&runing, elem);
}
else {
if (FlowIsEmpty(elem->flow_id)) {
flow_t--;
if (elem->nxt != NULL) {
elem->nxt->pre = elem->pre;
}
if (elem->pre != NULL) {
elem->pre->nxt = elem->nxt;
elem->pre = NULL;
}
else if (elem == runing) {
runing = elem->nxt;
}
TcpCaDisFlowEnd(elem);
}
}
elem = tmp;
}
all = FALSE;
/* check */
if (runing == NULL && setup == NULL) {
pthread_mutex_lock(&pthrs_mux);
if (prl_thrs[id] == NULL) {
prl_thrs_en[id] = 0;
loop = FALSE;
}
pthread_mutex_unlock(&pthrs_mux);
}
else if (wpkt) {
nanosleep(&req, NULL);
all = TRUE;
}
} while (loop);
return NULL;
}
