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conncache: move the connection counter to the cache struct

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The static connection counter caused a race condition. Moving the
connection id counter into conncache solves it, as well as simplifying
the related logic.
This commit is contained in:
Lindley French 2014-06-12 11:36:41 -07:00 • committed by Daniel Stenberg
parent d5d98c1297
commit 964e43c5e2
3 changed files with 3 additions and 13 deletions
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1
lib/conncache.c
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@ -149,6 +149,7 @@ CURLcode Curl_conncache_add_conn(struct conncache *connc,
return result;
}
conn->connection_id = connc->next_connection_id++;
connc->num_connections++;
return CURLE_OK;

1
lib/conncache.h
View file

@ -25,6 +25,7 @@
struct conncache {
struct curl_hash *hash;
size_t num_connections;
size_t next_connection_id;
};
struct conncache *Curl_conncache_init(int size);

14
lib/url.c
View file

@ -3254,19 +3254,7 @@ ConnectionDone(struct SessionHandle *data, struct connectdata *conn)
static CURLcode ConnectionStore(struct SessionHandle *data,
struct connectdata *conn)
{
static int connection_id_counter = 0;
CURLcode result;
/* Assign a number to the connection for easier tracking in the log
output */
conn->connection_id = connection_id_counter++;
result = Curl_conncache_add_conn(data->state.conn_cache, conn);
if(result != CURLE_OK)
conn->connection_id = -1;
return result;
return Curl_conncache_add_conn(data->state.conn_cache, conn);
}
/* after a TCP connection to the proxy has been verified, this function does