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Make cach'ing work with threads now, there are now three cases:

Browse source 
- Use a global dns cache (via setting the tentatively named,
    CURLOPT_DNS_USE_GLOBAL_CACHE option to true)
    - Use a per-handle dns cache, by default
    - Use a pooled dns cache when in the "multi" interface
This commit is contained in:
Sterling Hughes 2002-01-07 20:52:32 +00:00
parent d3299beec7
commit 8d7f402efb
9 changed files with 89 additions and 16 deletions
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26
lib/hostip.c
View file

@ -70,17 +70,27 @@
#endif
static curl_hash hostname_cache;
static int host_cache_initialized;
void Curl_host_cache_init(void)
void Curl_global_host_cache_init(void)
{
curl_hash_init(&hostname_cache, 7, Curl_freeaddrinfo);
if (!host_cache_initialized) {
curl_hash_init(&hostname_cache, 7, Curl_freeaddrinfo);
host_cache_initialized = 1;
}
}
void Curl_host_cache_dtor(void)
curl_hash *Curl_global_host_cache_get(void)
{
curl_hash_clean(&hostname_cache);
return &hostname_cache;
}
void Curl_global_host_cache_dtor(void)
{
if (host_cache_initialized) {
curl_hash_clean(&hostname_cache);
}
}
Curl_addrinfo *Curl_resolv(struct SessionHandle *data,
char *hostname,
@ -90,14 +100,15 @@ Curl_addrinfo *Curl_resolv(struct SessionHandle *data,
Curl_addrinfo *addr = NULL;
size_t hostname_len = strlen(hostname)+1;
if (curl_hash_find(&hostname_cache, hostname, hostname_len, (void **) &addr))
if (curl_hash_find(data->hostcache, hostname, hostname_len, (void **) &addr)) {
return addr;
}
addr = Curl_getaddrinfo(data, hostname, port, bufp);
if (!addr)
return NULL;
curl_hash_add(&hostname_cache, hostname, hostname_len, (const void *) addr);
curl_hash_add(data->hostcache, hostname, hostname_len, (const void *) addr);
return addr;
}
@ -405,3 +416,4 @@ Curl_addrinfo *Curl_getaddrinfo(struct SessionHandle *data,
* vim600: fdm=marker
* vim: et sw=2 ts=2 sts=2 tw=78
*/