void
unregister_hash(char *buf, struct sockaddr_in *from_addr)
{
tracker_unregister_t *req = (tracker_unregister_t *)buf;
peer_t peer;
int index;
int i, j;
#ifdef DEBUG
fprintf(stderr, "unregister_hash:enter\n");
fprintf(stderr, "unregister_hash:hash_table:before\n\n");
print_hash_table();
#endif
bzero(&peer, sizeof(peer));
for (i = 0 ; i < req->numhashes ; ++i) {
tracker_info_t *info = &req->info[i];
if (getpeers(info->hash, &index) != NULL) {
for (j = 0 ; j < info->numpeers ; ++j) {
peer.ip = info->peers[j].ip;
removepeer(index, &peer, 1);
}
}
}
#ifdef DEBUG
fprintf(stderr, "unregister_hash:hash_table:after\n\n");
print_hash_table();
#endif
}
int main(int argc, char** argv) {
struct hash_tablosu *htable=NULL;
initialize_hash_table(&htable,3,5);
print_hash_table(htable);
insert_hash_table(htable,"kadayif");
insert_hash_table(htable,"Trabzonspor");
insert_hash_table(htable,"kadayif");
insert_hash_table(htable,"gundogdu");
insert_hash_table(htable,"besiktas");
insert_hash_table(htable,"baklava");
insert_hash_table(htable,"dembaba");
insert_hash_table(htable,"cardoza");
print_hash_table(htable);
hash_table_buyut(&htable,17,19);
print_hash_table(htable);
insert_hash_table(htable,"ankara");
insert_hash_table(htable,"Ankara");
print_hash_table(htable);
return (EXIT_SUCCESS);
}
int main(){
char* names[] = {"Abhijeet", "Ramdev", "Kamdev", "Shatmatdev", "This is it",
"You are shit", "This is what I want to become", "I am a token",
"Hallelujah", "I am the king of the world", "How I met you mother?",
"Kamdev", "Luftwaffe"};
printf("\t%lu\n",sizeof(names));
for(int i = 0; i < (sizeof(names))/sizeof(names[0]); ++i){
insert_hash(names[i]);
}
print_hash_table();
delete_hash_table();
print_hash_table();
}
void main(int argc, char **argv)
{
Radar *radar;
Sweep *sweep;
if (argc != 3) {fprintf(stderr, "Usage: %s infile callid_or_firstfile\n", argv[0]); exit(-1);}
RSL_radar_verbose_on();
radar = RSL_wsr88d_to_radar(argv[1], argv[2]);
if (radar == NULL) exit(-1);
/***********************************************************************/
/* */
/* You now have a pointer to Radar. */
/* Now use *radar all you like. */
/* */
/***********************************************************************/
/* Use radar->v[DZ_INDEX] for REFELECTIVITY
* radar->v[VR_INDEX] for VELOCITY
* radar->v[SW_INDEX] for SPECTRUM_WIDTH
*/
sweep = RSL_get_first_sweep_of_volume(radar->v[DZ_INDEX]);
print_hash_table(sweep);
poke_about_sweep(sweep);
exit(0);
}
void
unregister_all(char *buf, struct sockaddr_in *from_addr)
{
peer_t peer;
int i;
#ifdef DEBUG
fprintf(stderr, "unregister_all:enter\n");
fprintf(stderr, "unregister_all:hash_table:before\n\n");
print_hash_table();
#endif
peer.ip = from_addr->sin_addr.s_addr;
if (hash_table->head >= hash_table->tail) {
for (i = hash_table->head - 1;
(i > hash_table->tail) && (i >= 0) ; --i) {
removepeer(i, &peer, 0);
}
} else {
for (i = hash_table->head - 1; i >= 0 ; --i) {
removepeer(i, &peer, 0);
}
for (i = (hash_table->size - 1) ;
(i > hash_table->tail) && (i >= 0) ; --i) {
removepeer(i, &peer, 0);
}
}
compact_hash_table();
reclaim_free_entries();
clear_dt_table_entry(peer.ip);
#ifdef DEBUG
fprintf(stderr, "unregister_all:hash_table:after\n\n");
print_hash_table();
#endif
}
int main()
{
int i;
key_t sample[] = {47, 7, 11, 11, 29, 16, 92, 22, 8, 3, 33};
chain_t *hash_table[11];
for (i = 0; i < array_length(hash_table); i++) {
hash_table[i] = NULL;
}
create_hash_table(hash_table, sample, array_length(sample));
print_hash_table(hash_table, array_length(hash_table));
return 0;
}
void
verify_hash_table()
{
int i;
print_hash_table();
if (hash_table->head >= hash_table->tail) {
for (i = hash_table->head - 1;
(i > hash_table->tail) && (i >= 0) ; --i) {
if (hash_table->entry[i].hash == 0) {
fprintf(stderr, "verify_hash_table:1: error at entry %d\n", i);
exit(-1);
}
}
} else {
for (i = hash_table->head - 1; i >= 0 ; --i) {
if (hash_table->entry[i].hash == 0) {
fprintf(stderr, "verify_hash_table:2: error at entry %d\n", i);
exit(-1);
}
}
for (i = (hash_table->size - 1) ;
(i > hash_table->tail) && (i >= 0) ; --i) {
if (hash_table->entry[i].hash == 0) {
fprintf(stderr, "verify_hash_table:3: error at entry %d\n", i);
exit(-1);
}
}
}
return;
}
void print_comtab() { /* Print Comment Table */
print_hash_table(comment_table, false);
}
void print_symtab() { /* Print Symbol Table */
printf("\n\nFrequency of identifiers");
print_hash_table(id_table, true);
}
void
register_hash(char *buf, struct sockaddr_in *from_addr)
{
tracker_register_t *req = (tracker_register_t *)buf;
hash_info_t *hashinfo;
tracker_info_t *reqinfo;
uint16_t numpeers;
peer_t dynamic_peers[1];
peer_t *peers;
int i, j, k;
for (i = 0; i < req->numhashes; ++i) {
reqinfo = &req->info[i];
#ifdef LATER
fprintf(stderr,
"register_hash:enter:hash (0x%llx)\n", reqinfo->hash);
fprintf(stderr, "register_hash:hash_table:before\n\n");
print_hash_table();
#endif
if (reqinfo->numpeers == 0) {
/*
* no peer specified. dynamically determine
* the peer IP address from the host who
* sent us the message
*/
numpeers = 1;
dynamic_peers[0].ip = from_addr->sin_addr.s_addr;
peers = dynamic_peers;
} else {
numpeers = reqinfo->numpeers;
peers = reqinfo->peers;
}
#ifdef DEBUG
fprintf(stderr, "register_hash:numpeers:1 (0x%d)\n", numpeers);
#endif
/*
* scan the list for this hash.
*/
if ((hashinfo = getpeers(reqinfo->hash, NULL)) != NULL) {
/*
* this hash is already in the table, see if this peer
* is already in the list
*/
for (j = 0 ; j < numpeers ; ++j) {
int found = 0;
for (k = 0 ; k < hashinfo->numpeers ; ++k) {
if (peers[j].ip ==
hashinfo->peers[k].ip) {
found = 1;
hashinfo->peers[k].state =
READY;
break;
}
}
if (!found) {
peers[j].state = READY;
#ifdef DEBUG
fprintf(stderr, "register_hash:calling addpeer:1\n");
#endif
addpeer(hashinfo, &peers[j]);
}
}
} else {
/*
* if not, then add this hash to the end of the list
*/
if ((hashinfo = newentry()) == NULL) {
fprintf(stderr,
"register_hash:newentry:failed\n");
abort();
}
hashinfo->hash = reqinfo->hash;
hashinfo->numpeers = 0;
for (j = 0 ; j < numpeers ; ++j) {
peers[j].state = READY;
#ifdef DEBUG
fprintf(stderr,
"register_hash:calling addpeer:2\n");
#endif
addpeer(hashinfo, &peers[j]);
}
}
#ifdef LATER
fprintf(stderr, "register_hash:hash_table:after\n\n");
print_hash_table();
#endif
#ifdef DEBUG
fprintf(stderr, "register_hash:exit:hash (0x%llx)\n", reqinfo->hash);
#endif
}
}
/*
* 'size' is the number of new entries to be added to the table
*/
int
grow_hash_table(int size)
{
uint32_t oldsize = hash_table->size;
uint32_t newsize = size + hash_table->size;
int len;
int tailentries;
len = sizeof(hash_table_t) + (newsize * sizeof(hash_info_t));
#ifdef DEBUG
fprintf(stderr, "grow_hash_table:enter:size (%d)\n", hash_table->size);
fprintf(stderr, "grow_hash_table:enter:head (%d)\n", hash_table->head);
fprintf(stderr, "grow_hash_table:enter:tail (%d)\n", hash_table->tail);
fprintf(stderr, "grow_hash_table:before\n\n");
print_hash_table();
#endif
if ((hash_table = realloc(hash_table, len)) == NULL) {
perror("grow_hash_table:realloc failed:");
return(-1);
}
tailentries = oldsize - 1 - hash_table->tail;
#ifdef DEBUG
fprintf(stderr, "grow_hash_table:tailentries (%d)\n", tailentries);
#endif
if (tailentries > 0) {
/*
* if the tail is "not" pointing at the last entry of the
* old table, then we need to copy the bottom of the old
* table to the bottom of the new table
*/
memcpy(&hash_table->entry[newsize - tailentries],
&hash_table->entry[hash_table->tail + 1],
tailentries * sizeof(hash_info_t));
}
/*
* initialize the new entries
*/
bzero(&hash_table->entry[hash_table->head],
(size + 1) * sizeof(hash_info_t));
hash_table->size = newsize;
hash_table->tail = hash_table->tail + size;
#ifdef DEBUG
fprintf(stderr, "grow_hash_table:exit:size (%d)\n", hash_table->size);
fprintf(stderr, "grow_hash_table:exit:head (%d)\n", hash_table->head);
fprintf(stderr, "grow_hash_table:exit:tail (%d)\n", hash_table->tail);
fprintf(stderr, "grow_hash_table:after\n\n");
print_hash_table();
#endif
#ifdef DEBUG
fprintf(stderr, "grow_hash_table:validate new free entries\n");
{
int i;
for (i = hash_table->head; i <= hash_table->tail; ++i) {
fprintf(stderr, "\tentry[%d] : hash (0x%llx)\n", i,
hash_table->entry[i].hash);
if (hash_table->entry[i].hash != 0) {
fprintf(stderr, "grow_hash_table:validate fail\n");
exit(-1);
}
}
}
#endif
return(0);
}
/*
* remove all free entries in between the head and the tail
*/
void
compact_hash_table()
{
int free_index = hash_table->head - 1;
int allocated_index;
char found, done;
#ifdef DEBUG
fprintf(stderr, "compact_hash_table:before\n\n");
print_hash_table();
#endif
while (1) {
/*
* find a free slot
*/
found = 0;
done = 0;
while (!done) {
if (free_index == hash_table->tail) {
done = 1;
continue;
}
if (free_index < 0) {
free_index = hash_table->size - 1;
continue;
}
if (hash_table->entry[free_index].hash == 0) {
done = 1;
found = 1;
continue;
}
--free_index;
}
if (found == 0) {
/*
* there are no free slots between head and tail
*/
return;
}
/*
* find the next allocated slot
*/
allocated_index = free_index - 1;
found = 0;
done = 0;
while (!done) {
if (allocated_index == hash_table->tail) {
done = 1;
continue;
}
if (allocated_index < 0) {
allocated_index = hash_table->size - 1;
continue;
}
if (hash_table->entry[allocated_index].hash != 0) {
done = 1;
found = 1;
continue;
}
--allocated_index;
}
if (found == 0) {
/*
* there are no allocated slots between free_index and
* tail
*/
return;
}
/*
* move the allocated slot to the free slot, then free the
* previous allocated slot
*/
hash_table->entry[free_index].hash =
hash_table->entry[allocated_index].hash;
hash_table->entry[free_index].numpeers =
hash_table->entry[allocated_index].numpeers;
hash_table->entry[free_index].peers =
hash_table->entry[allocated_index].peers;
hash_table->entry[allocated_index].hash = 0;
hash_table->entry[allocated_index].numpeers = 0;
hash_table->entry[allocated_index].peers = NULL;
--free_index;
}
#ifdef DEBUG
fprintf(stderr, "compact_hash_table:after\n\n");
print_hash_table();
#endif
}
int main()
{
tls_hash_table *hash_table = init_tls_hash_table();
/*
char *arr_sip[6] = {
"192.168.101.105",
"192.168.101.104",
"192.168.101.106",
"192.168.101.103",
"192.168.101.110",
"192.168.100.111"
};
char *arr_dip[6] = {
"192.168.100.10",
"192.168.100.11",
"192.168.100.12",
"192.168.100.13",
"192.168.100.14",
"192.168.101.1"
};
int arr_source[6] = {100,200,300,80,443,556};
int arr_dst[6] = {200,100,300,443,80,655};
*/
char *arr_sip[6] = {
"192.168.101.105",
"192.168.101.104",
"192.168.101.105",
"192.168.101.103",
"192.168.101.110",
"192.168.100.111"
};
char *arr_dip[6] = {
"192.168.101.104",
"192.168.101.105",
"192.168.101.104",
"192.168.100.104",
"192.168.100.14",
"192.168.101.1"
};
int arr_source[6] = {100,200,100,80,443,556};
int arr_dst[6] = {200,100,200,443,80,655};
int i = 0;
//create hash table
for(i = 0; i < 5; i++)
{
tls_node *node = NULL;
node = create_tls_node(i,arr_sip[i],arr_dip[i],arr_source[i],arr_dst[i]);
insert_tls_hash_node(hash_table,node,arr_sip[i],arr_dip[i],arr_source[i],arr_dst[i]);
}
print_hash_table(hash_table);
int index;
while(1)
{
printf("input query index :\n");
scanf("%d",&index);
tls_node *node = NULL;
node = query_tls_hash_node(hash_table,arr_sip[index],arr_dip[index],arr_source[index],arr_dst[index]);
if(node != NULL)
{
printf("sip = %s dip = %s source = %d dst = %d syn_time = %d\n",node->sourceIP,node->destIP,node->sourceport,node->destport,node->syn_time);
}
else
{
printf("can not find the index tupple\n");
}
//print_hash_table(hash_table);
printf("input delete index:\n");
scanf("%d",&index);
delete_tls_hash_node(hash_table,arr_sip[index],arr_dip[index],arr_source[index],arr_dst[index]);
print_hash_table(hash_table);
}
}
