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authorDaniel Stenberg <daniel@haxx.se>2015-05-12 09:46:53 +0200
committerDaniel Stenberg <daniel@haxx.se>2015-05-12 09:46:53 +0200
commitb419e7ae0c9869ac3eb06d529efeb2c6dc1b4bc1 (patch)
tree6938b33aaf767e9006ce881bd707651b10cc946a /lib
parentd37e0160c2eb22c616ae3ff25c03c3b4711b2a13 (diff)
hostcache: made all host caches use structs, not pointers
This avoids unnecessary dynamic allocs and as this also removed the last users of *hash_alloc() and *hash_destroy(), those two functions are now removed.
Diffstat (limited to 'lib')
-rw-r--r--lib/hash.c37
-rw-r--r--lib/hash.h9
-rw-r--r--lib/hostip.c7
-rw-r--r--lib/hostip.h4
-rw-r--r--lib/multi.c12
-rw-r--r--lib/multihandle.h2
-rw-r--r--lib/share.c21
-rw-r--r--lib/share.h4
-rw-r--r--lib/url.c4
9 files changed, 24 insertions, 76 deletions
diff --git a/lib/hash.c b/lib/hash.c
index af2887758..b1aebd5b8 100644
--- a/lib/hash.c
+++ b/lib/hash.c
@@ -89,32 +89,6 @@ Curl_hash_init(struct curl_hash *h,
}
}
-struct curl_hash *
-Curl_hash_alloc(int slots,
- hash_function hfunc,
- comp_function comparator,
- curl_hash_dtor dtor)
-{
- struct curl_hash *h;
-
- if(!slots || !hfunc || !comparator ||!dtor) {
- return NULL; /* failure */
- }
-
- h = malloc(sizeof(struct curl_hash));
- if(h) {
- if(Curl_hash_init(h, slots, hfunc, comparator, dtor)) {
- /* failure */
- free(h);
- h = NULL;
- }
- }
-
- return h;
-}
-
-
-
static struct curl_hash_element *
mk_hash_element(const void *key, size_t key_len, const void *p)
{
@@ -281,17 +255,6 @@ Curl_hash_clean_with_criterium(struct curl_hash *h, void *user,
}
}
-void
-Curl_hash_destroy(struct curl_hash *h)
-{
- if(!h)
- return;
-
- Curl_hash_clean(h);
-
- free(h);
-}
-
size_t Curl_hash_str(void* key, size_t key_length, size_t slots_num)
{
const char* key_str = (const char *) key;
diff --git a/lib/hash.h b/lib/hash.h
index aa935d4eb..bc7c20dec 100644
--- a/lib/hash.h
+++ b/lib/hash.h
@@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -74,11 +74,6 @@ int Curl_hash_init(struct curl_hash *h,
comp_function comparator,
curl_hash_dtor dtor);
-struct curl_hash *Curl_hash_alloc(int slots,
- hash_function hfunc,
- comp_function comparator,
- curl_hash_dtor dtor);
-
void *Curl_hash_add(struct curl_hash *h, void *key, size_t key_len, void *p);
int Curl_hash_delete(struct curl_hash *h, void *key, size_t key_len);
void *Curl_hash_pick(struct curl_hash *, void * key, size_t key_len);
@@ -88,8 +83,6 @@ int Curl_hash_count(struct curl_hash *h);
void Curl_hash_clean(struct curl_hash *h);
void Curl_hash_clean_with_criterium(struct curl_hash *h, void *user,
int (*comp)(void *, void *));
-void Curl_hash_destroy(struct curl_hash *h);
-
size_t Curl_hash_str(void* key, size_t key_length, size_t slots_num);
size_t Curl_str_key_compare(void*k1, size_t key1_len, void*k2,
size_t key2_len);
diff --git a/lib/hostip.c b/lib/hostip.c
index 764e78026..338cf2de6 100644
--- a/lib/hostip.c
+++ b/lib/hostip.c
@@ -742,11 +742,12 @@ static void freednsentry(void *freethis)
}
/*
- * Curl_mk_dnscache() creates a new DNS cache and returns the handle for it.
+ * Curl_mk_dnscache() inits a new DNS cache and returns success/failure.
*/
-struct curl_hash *Curl_mk_dnscache(void)
+int Curl_mk_dnscache(struct curl_hash *hash)
{
- return Curl_hash_alloc(7, Curl_hash_str, Curl_str_key_compare, freednsentry);
+ return Curl_hash_init(hash, 7, Curl_hash_str, Curl_str_key_compare,
+ freednsentry);
}
/*
diff --git a/lib/hostip.h b/lib/hostip.h
index a79b89a44..d5b44bc9e 100644
--- a/lib/hostip.h
+++ b/lib/hostip.h
@@ -124,8 +124,8 @@ void Curl_resolv_unlock(struct SessionHandle *data,
/* for debugging purposes only: */
void Curl_scan_cache_used(void *user, void *ptr);
-/* make a new dns cache and return the handle */
-struct curl_hash *Curl_mk_dnscache(void);
+/* init a new dns cache and return success */
+int Curl_mk_dnscache(struct curl_hash *hash);
/* prune old entries from the DNS cache */
void Curl_hostcache_prune(struct SessionHandle *data);
diff --git a/lib/multi.c b/lib/multi.c
index c1467ad4d..bd16f9462 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -294,8 +294,7 @@ struct Curl_multi *Curl_multi_handle(int hashsize, /* socket hash */
multi->type = CURL_MULTI_HANDLE;
- multi->hostcache = Curl_mk_dnscache();
- if(!multi->hostcache)
+ if(Curl_mk_dnscache(&multi->hostcache))
goto error;
if(sh_init(&multi->sockhash, hashsize))
@@ -329,8 +328,7 @@ struct Curl_multi *Curl_multi_handle(int hashsize, /* socket hash */
error:
Curl_hash_clean(&multi->sockhash);
- Curl_hash_destroy(multi->hostcache);
- multi->hostcache = NULL;
+ Curl_hash_clean(&multi->hostcache);
Curl_conncache_destroy(&multi->conn_cache);
Curl_close(multi->closure_handle);
multi->closure_handle = NULL;
@@ -400,7 +398,7 @@ CURLMcode curl_multi_add_handle(CURLM *multi_handle,
easy handle's one is currently not set. */
else if(!data->dns.hostcache ||
(data->dns.hostcachetype == HCACHE_NONE)) {
- data->dns.hostcache = multi->hostcache;
+ data->dns.hostcache = &multi->hostcache;
data->dns.hostcachetype = HCACHE_MULTI;
}
@@ -1861,7 +1859,7 @@ CURLMcode curl_multi_cleanup(CURLM *multi_handle)
sigpipe_ignore(multi->closure_handle, &pipe_st);
restore_pipe = TRUE;
- multi->closure_handle->dns.hostcache = multi->hostcache;
+ multi->closure_handle->dns.hostcache = &multi->hostcache;
Curl_hostcache_clean(multi->closure_handle,
multi->closure_handle->dns.hostcache);
@@ -1891,7 +1889,7 @@ CURLMcode curl_multi_cleanup(CURLM *multi_handle)
data = nextdata;
}
- Curl_hash_destroy(multi->hostcache);
+ Curl_hash_clean(&multi->hostcache);
/* Free the blacklists by setting them to NULL */
Curl_pipeline_set_site_blacklist(NULL, &multi->pipelining_site_bl);
diff --git a/lib/multihandle.h b/lib/multihandle.h
index 1ef28c9d6..640e3fb4b 100644
--- a/lib/multihandle.h
+++ b/lib/multihandle.h
@@ -86,7 +86,7 @@ struct Curl_multi {
void *socket_userp;
/* Hostname cache */
- struct curl_hash *hostcache;
+ struct curl_hash hostcache;
/* timetree points to the splay-tree of time nodes to figure out expire
times of all currently set timers */
diff --git a/lib/share.c b/lib/share.c
index 3fc53119e..b61a86bc2 100644
--- a/lib/share.c
+++ b/lib/share.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -38,6 +38,11 @@ curl_share_init(void)
if(share)
share->specifier |= (1<<CURL_LOCK_DATA_SHARE);
+ if(Curl_mk_dnscache(&share->hostcache)) {
+ free(share);
+ return NULL;
+ }
+
return share;
}
@@ -67,11 +72,6 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
share->specifier |= (1<<type);
switch( type ) {
case CURL_LOCK_DATA_DNS:
- if(!share->hostcache) {
- share->hostcache = Curl_mk_dnscache();
- if(!share->hostcache)
- res = CURLSHE_NOMEM;
- }
break;
case CURL_LOCK_DATA_COOKIE:
@@ -115,10 +115,6 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
share->specifier &= ~(1<<type);
switch( type ) {
case CURL_LOCK_DATA_DNS:
- if(share->hostcache) {
- Curl_hash_destroy(share->hostcache);
- share->hostcache = NULL;
- }
break;
case CURL_LOCK_DATA_COOKIE:
@@ -192,10 +188,7 @@ curl_share_cleanup(CURLSH *sh)
return CURLSHE_IN_USE;
}
- if(share->hostcache) {
- Curl_hash_destroy(share->hostcache);
- share->hostcache = NULL;
- }
+ Curl_hash_clean(&share->hostcache);
#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
Curl_cookie_cleanup(share->cookies);
diff --git a/lib/share.h b/lib/share.h
index 9a5128e93..8e6629b7b 100644
--- a/lib/share.h
+++ b/lib/share.h
@@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -44,7 +44,7 @@ struct Curl_share {
curl_unlock_function unlockfunc;
void *clientdata;
- struct curl_hash *hostcache;
+ struct curl_hash hostcache;
#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
struct CookieInfo *cookies;
#endif
diff --git a/lib/url.c b/lib/url.c
index c99066074..20b802ad1 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -2187,9 +2187,9 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
data->share->dirty++;
- if(data->share->hostcache) {
+ if(data->share->specifier & (1<< CURL_LOCK_DATA_DNS)) {
/* use shared host cache */
- data->dns.hostcache = data->share->hostcache;
+ data->dns.hostcache = &data->share->hostcache;
data->dns.hostcachetype = HCACHE_SHARED;
}
#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)