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authorDaniel Stenberg <daniel@haxx.se>2015-05-12 09:15:02 +0200
committerDaniel Stenberg <daniel@haxx.se>2015-05-12 09:15:02 +0200
commit640296c95de3d1c17bf1d81908f884bac9c8062f (patch)
treebfb1ae2dbf6e40a4bb2c07625b1a863ed8a84979 /lib
parentc4d6f9163a6b4ae0d2848c1127780f17a4a88810 (diff)
connection cache: avoid Curl_hash_alloc()
... by using plain structs instead of pointers for the connection cache, we can avoid several dynamic allocations that weren't necessary.
Diffstat (limited to 'lib')
-rw-r--r--lib/conncache.c38
-rw-r--r--lib/conncache.h4
-rw-r--r--lib/connect.c4
-rw-r--r--lib/multi.c16
-rw-r--r--lib/multihandle.h4
-rw-r--r--lib/url.c2
6 files changed, 26 insertions, 42 deletions
diff --git a/lib/conncache.c b/lib/conncache.c
index f3d1d6cfd..6d91d0491 100644
--- a/lib/conncache.c
+++ b/lib/conncache.c
@@ -45,32 +45,16 @@ static void free_bundle_hash_entry(void *freethis)
Curl_bundle_destroy(b);
}
-struct conncache *Curl_conncache_init(int size)
+int Curl_conncache_init(struct conncache *connc, int size)
{
- struct conncache *connc;
-
- connc = calloc(1, sizeof(struct conncache));
- if(!connc)
- return NULL;
-
- connc->hash = Curl_hash_alloc(size, Curl_hash_str,
- Curl_str_key_compare, free_bundle_hash_entry);
-
- if(!connc->hash) {
- free(connc);
- return NULL;
- }
-
- return connc;
+ return Curl_hash_init(&connc->hash, size, Curl_hash_str,
+ Curl_str_key_compare, free_bundle_hash_entry);
}
void Curl_conncache_destroy(struct conncache *connc)
{
- if(connc) {
- Curl_hash_destroy(connc->hash);
- connc->hash = NULL;
- free(connc);
- }
+ if(connc)
+ Curl_hash_clean(&connc->hash);
}
struct connectbundle *Curl_conncache_find_bundle(struct connectdata *conn,
@@ -81,7 +65,7 @@ struct connectbundle *Curl_conncache_find_bundle(struct connectdata *conn,
char *hostname = conn->bits.proxy?conn->proxy.name:conn->host.name;
if(connc)
- bundle = Curl_hash_pick(connc->hash, hostname, strlen(hostname)+1);
+ bundle = Curl_hash_pick(&connc->hash, hostname, strlen(hostname)+1);
return bundle;
}
@@ -92,7 +76,7 @@ static bool conncache_add_bundle(struct conncache *connc,
{
void *p;
- p = Curl_hash_add(connc->hash, hostname, strlen(hostname)+1, bundle);
+ p = Curl_hash_add(&connc->hash, hostname, strlen(hostname)+1, bundle);
return p?TRUE:FALSE;
}
@@ -106,14 +90,14 @@ static void conncache_remove_bundle(struct conncache *connc,
if(!connc)
return;
- Curl_hash_start_iterate(connc->hash, &iter);
+ Curl_hash_start_iterate(&connc->hash, &iter);
he = Curl_hash_next_element(&iter);
while(he) {
if(he->ptr == bundle) {
/* The bundle is destroyed by the hash destructor function,
free_bundle_hash_entry() */
- Curl_hash_delete(connc->hash, he->key, he->key_len);
+ Curl_hash_delete(&connc->hash, he->key, he->key_len);
return;
}
@@ -201,7 +185,7 @@ void Curl_conncache_foreach(struct conncache *connc,
if(!connc)
return;
- Curl_hash_start_iterate(connc->hash, &iter);
+ Curl_hash_start_iterate(&connc->hash, &iter);
he = Curl_hash_next_element(&iter);
while(he) {
@@ -232,7 +216,7 @@ Curl_conncache_find_first_connection(struct conncache *connc)
struct curl_hash_element *he;
struct connectbundle *bundle;
- Curl_hash_start_iterate(connc->hash, &iter);
+ Curl_hash_start_iterate(&connc->hash, &iter);
he = Curl_hash_next_element(&iter);
while(he) {
diff --git a/lib/conncache.h b/lib/conncache.h
index e77a084a7..dc4867d0d 100644
--- a/lib/conncache.h
+++ b/lib/conncache.h
@@ -24,13 +24,13 @@
***************************************************************************/
struct conncache {
- struct curl_hash *hash;
+ struct curl_hash hash;
size_t num_connections;
long next_connection_id;
struct timeval last_cleanup;
};
-struct conncache *Curl_conncache_init(int size);
+int Curl_conncache_init(struct conncache *, int size);
void Curl_conncache_destroy(struct conncache *connc);
diff --git a/lib/connect.c b/lib/connect.c
index 1781e4b52..fc72c56fe 100644
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -1214,8 +1214,8 @@ curl_socket_t Curl_getconnectinfo(struct SessionHandle *data,
find.found = FALSE;
Curl_conncache_foreach(data->multi_easy?
- data->multi_easy->conn_cache:
- data->multi->conn_cache, &find, conn_is_conn);
+ &data->multi_easy->conn_cache:
+ &data->multi->conn_cache, &find, conn_is_conn);
if(!find.found) {
data->state.lastconnect = NULL;
diff --git a/lib/multi.c b/lib/multi.c
index f483f2d96..79fde2c43 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -302,8 +302,7 @@ struct Curl_multi *Curl_multi_handle(int hashsize, /* socket hash */
if(!multi->sockhash)
goto error;
- multi->conn_cache = Curl_conncache_init(chashsize);
- if(!multi->conn_cache)
+ if(Curl_conncache_init(&multi->conn_cache, chashsize))
goto error;
multi->msglist = Curl_llist_alloc(multi_freeamsg);
@@ -320,7 +319,7 @@ struct Curl_multi *Curl_multi_handle(int hashsize, /* socket hash */
goto error;
multi->closure_handle->multi = multi;
- multi->closure_handle->state.conn_cache = multi->conn_cache;
+ multi->closure_handle->state.conn_cache = &multi->conn_cache;
multi->max_pipeline_length = 5;
@@ -334,8 +333,7 @@ struct Curl_multi *Curl_multi_handle(int hashsize, /* socket hash */
multi->sockhash = NULL;
Curl_hash_destroy(multi->hostcache);
multi->hostcache = NULL;
- Curl_conncache_destroy(multi->conn_cache);
- multi->conn_cache = NULL;
+ Curl_conncache_destroy(&multi->conn_cache);
Curl_close(multi->closure_handle);
multi->closure_handle = NULL;
Curl_llist_destroy(multi->msglist, NULL);
@@ -409,7 +407,7 @@ CURLMcode curl_multi_add_handle(CURLM *multi_handle,
}
/* Point to the multi's connection cache */
- data->state.conn_cache = multi->conn_cache;
+ data->state.conn_cache = &multi->conn_cache;
data->state.infilesize = data->set.filesize;
@@ -1832,7 +1830,7 @@ static void close_all_connections(struct Curl_multi *multi)
{
struct connectdata *conn;
- conn = Curl_conncache_find_first_connection(multi->conn_cache);
+ conn = Curl_conncache_find_first_connection(&multi->conn_cache);
while(conn) {
SIGPIPE_VARIABLE(pipe_st);
conn->data = multi->closure_handle;
@@ -1842,7 +1840,7 @@ static void close_all_connections(struct Curl_multi *multi)
(void)Curl_disconnect(conn, FALSE);
sigpipe_restore(&pipe_st);
- conn = Curl_conncache_find_first_connection(multi->conn_cache);
+ conn = Curl_conncache_find_first_connection(&multi->conn_cache);
}
}
@@ -1873,7 +1871,7 @@ CURLMcode curl_multi_cleanup(CURLM *multi_handle)
}
Curl_hash_destroy(multi->sockhash);
- Curl_conncache_destroy(multi->conn_cache);
+ Curl_conncache_destroy(&multi->conn_cache);
Curl_llist_destroy(multi->msglist, NULL);
Curl_llist_destroy(multi->pending, NULL);
diff --git a/lib/multihandle.h b/lib/multihandle.h
index d8b9d8892..2c7305dfd 100644
--- a/lib/multihandle.h
+++ b/lib/multihandle.h
@@ -22,6 +22,8 @@
*
***************************************************************************/
+#include "conncache.h"
+
struct Curl_message {
/* the 'CURLMsg' is the part that is visible to the external user */
struct CURLMsg extmsg;
@@ -99,7 +101,7 @@ struct Curl_multi {
bool pipelining_enabled;
/* Shared connection cache (bundles)*/
- struct conncache *conn_cache;
+ struct conncache conn_cache;
/* This handle will be used for closing the cached connections in
curl_multi_cleanup() */
diff --git a/lib/url.c b/lib/url.c
index 717ee93fc..c99066074 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -2944,7 +2944,7 @@ find_oldest_idle_connection(struct SessionHandle *data)
now = Curl_tvnow();
- Curl_hash_start_iterate(bc->hash, &iter);
+ Curl_hash_start_iterate(&bc->hash, &iter);
he = Curl_hash_next_element(&iter);
while(he) {