daxi20/smartdns
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updat code

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This commit is contained in:
Nick Peng
2018-04-24 00:24:44 +08:00
parent c6af293927
commit d3960e1018
14 changed files with 744 additions and 175 deletions
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180
smartdns.c
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@@ -1,132 +1,136 @@
#include "fast_ping.h"
#include "hashtable.h"
#include "list.h"
#include <stdio.h>
#include <stdlib.h>
#include "fast_ping.h"
#include "list.h"
#include "bitmap.h"
#include "hashtable.h"
void smartdns_ping_result(const char *host, int seqno, struct timeval *tv, void *userptr)
void smartdns_ping_result(const char *host, FAST_PING_RESULT result, int seqno, struct timeval *tv, void *userptr)
{
double rtt = tv->tv_sec * 1000.0 + tv->tv_usec / 1000.0;
printf("%16s: seq=%d time=%.3f\n", host, seqno, rtt);
if (result == PING_RESULT_RESPONSE) {
double rtt = tv->tv_sec * 1000.0 + tv->tv_usec / 1000.0;
printf("%16s: seq=%d time=%.3f\n", host, seqno, rtt);
} else if (result == PING_RESULT_TIMEOUT) {
printf("%16s: seq=%d timeout\n", host, seqno);
}
}
int smartdns_init()
{
int ret;
int ret;
ret = fast_ping_init();
if (ret != 0) {
fprintf(stderr, "start ping failed.\n");
goto errout;
}
ret = fast_ping_init();
if (ret != 0) {
fprintf(stderr, "start ping failed.\n");
goto errout;
}
fast_ping_result_callback(smartdns_ping_result);
fast_ping_result_callback(smartdns_ping_result);
return 0;
return 0;
errout:
return -1;
return -1;
}
int smartdns_run()
{
sleep(1);
fast_ping_start("192.168.1.1", 2000, 0);
fast_ping_start("192.168.1.35", 2000, 0);
fast_ping_start("14.215.177.38", 2000, 0);
fast_ping_start("113.96.161.87", 2000, 0);
//fast_ping_start("::1", 2000, 0);
while (1) {
sleep(10);
//fast_ping_stop("192.168.1.35");
}
fast_ping_start("192.168.1.1", 2000, 0);
fast_ping_start("192.168.1.35", 2000, 0);
fast_ping_start("14.215.177.38", 2000, 0);
fast_ping_start("113.96.161.87", 2000, 0);
fast_ping_start("::1", 2000, 0);
fast_ping_start("12.4.3.1", 1000, 0);
while (1) {
sleep(10);
//fast_ping_stop("192.168.1.35");
}
}
void smartdns_exit()
{
fast_ping_exit();
fast_ping_exit();
}
struct data {
struct list_head list;
int n;
struct list_head list;
int n;
};
void list_test()
{
struct list_head head ;
struct list_head *iter;
int i = 0;
struct list_head head;
struct list_head *iter;
int i = 0;
INIT_LIST_HEAD(&head);
INIT_LIST_HEAD(&head);
for (i = 0; i < 10; i++) {
struct data *h = malloc(sizeof(struct data));
h->n = i;
list_add(&h->list, &head);
}
for (i = 0; i < 10; i++) {
struct data *h = malloc(sizeof(struct data));
h->n = i;
list_add(&h->list, &head);
}
list_for_each(iter, &head) {
struct data *d= list_entry(iter, struct data, list);
list_for_each(iter, &head)
{
struct data *d = list_entry(iter, struct data, list);
printf("%d\n", d->n);
}
}
struct data_hash {
struct hlist_node node;
int n;
char str[32];
struct hlist_node node;
int n;
char str[32];
};
int hash_test()
{
DEFINE_HASHTABLE(ht, 7);
struct data_hash *temp;
struct data_hash *obj;
int i;
int j;
int key;
DEFINE_HASHTABLE(ht, 7);
struct data_hash *temp;
struct data_hash *obj;
int i;
int key;
for (i = 11; i < 17; i++) {
temp = malloc(sizeof(struct data_hash));
temp->n = i * i;
hash_add(ht, &temp->node, temp->n);
}
for (i = 11; i < 17; i++) {
temp = malloc(sizeof(struct data_hash));
temp->n = i * i;
hash_add(ht, &temp->node, temp->n);
}
for (i = 11; i < 17; i++) {
key = i * i;
hash_for_each_possible(ht, obj, node, key) {
printf("value: %d\n", obj->n);
};
}
for (i = 11; i < 17; i++) {
key = i * i;
hash_for_each_possible(ht, obj, node, key)
{
printf("value: %d\n", obj->n);
};
}
return 0;
}
int hash_string_test()
{
DEFINE_HASHTABLE(ht, 7);
struct data_hash *temp;
struct data_hash *obj;
int i;
int j;
int key;
DEFINE_HASHTABLE(ht, 7);
struct data_hash *temp;
struct data_hash *obj;
int i;
int key;
for (i = 0; i < 10; i++) {
temp = malloc(sizeof(struct data_hash));
sprintf(temp->str, "%d", i);
hash_add(ht, &temp->node, hash_string(temp->str));
}
for (i = 0; i < 10; i++) {
temp = malloc(sizeof(struct data_hash));
sprintf(temp->str, "%d", i);
hash_add(ht, &temp->node, hash_string(temp->str));
}
for (i = 0; i < 10; i++) {
char key_str[32];
sprintf(key_str, "%d", i);
key = hash_string(key_str);
hash_for_each_possible(ht, obj, node, key) {
printf("i = %d value: %s\n", i, obj->str);
};
}
for (i = 0; i < 10; i++) {
char key_str[32];
sprintf(key_str, "%d", i);
key = hash_string(key_str);
hash_for_each_possible(ht, obj, node, key)
{
printf("i = %d value: %s\n", i, obj->str);
};
}
return 0;
}
@@ -171,19 +175,19 @@ int rbtree_test()
int main(int argc, char *argv[])
{
int ret;
int ret;
atexit(smartdns_exit);
atexit(smartdns_exit);
ret = smartdns_init();
if (ret != 0) {
fprintf(stderr, "init smartdns failed.\n");
goto errout;
}
ret = smartdns_init();
if (ret != 0) {
fprintf(stderr, "init smartdns failed.\n");
goto errout;
}
return smartdns_run();
return smartdns_run();
errout:
return 1;
return 1;
}